JPH08339843A - Connection structure of electric wire connector - Google Patents

Abstract

(57) [Abstract] [Purpose] To improve the certainty of contact connection in connection structure of electric wire connector of plug-in connection type. A first wire connector 21 having a contact 23 protruding from the tip and a contact of the first wire connector are received to be conductively connected by surface contact between an inner contact 26 and a side surface. Second electric wire connector 22 and the second electric wire connector, which is inserted from the outside of the second electric wire connector, and contacts 23 and second of the first electric wire connector.
And a screw 29 for fastening the contact 26 of the electric wire connector of FIG.
Is inserted into the electric wire connector 22 to bring the contacts 23 and 26 into contact with each other, and the screw 29 is screwed into the contact 23, 26.
26 are fastened and connected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure for a plug-in type electric wire connector. In order to connect various kinds of power supply lines so that they can be easily separated, there is a connector which is a wire connector attached to the end of the power supply line and which is connected by a combination of a plug and a receptacle.

FIG. 19 shows a first such plug.
The electric wire connector 1 and the second electric wire connector 2 which is a receptacle are shown. The first electric wire connector 1 is internally connected to the contactor 3 that is projected in parallel from one end, and the conductive wire of the power supply wire 4 that is insulated and introduced from the other end is internally connected to the contactor 3. The cover 5 is fixed to the housing main body on the back side in the drawing by screws 6 so as to be integrally fixed.

The contactor 3 is made of a strip of copper-based alloy material which is a good conductor of electricity, and has a housing body and a cover 5.
Is made of a synthetic resin molded product having good electrical insulation, strength and heat resistance.

The second electric wire connector 2 is shown with the housing cover removed. An opening 8 is provided in one side of the housing body 7 so that the contact 3 of the first electric wire connector 1 can be inserted therein, and two terminal mounting portions 9 are fitted inside and fixedly mounted. There is.

The contacts 11 extending from the terminal mounting portion 9 in the direction of the opening 8 seem to face each other, and the directions of the tips 12 are bent so as to warp and are formed so as to approach each other.

The ends of the two conductive wires 14 inside the insulated power supply wire 13 introduced from the other side of the housing body 7 are connected to the lug terminals 15, respectively. Attached and fixed in place.

The two holes 17 on the center line are screw insertion holes for attaching a housing cover, which has been removed and is not shown. With the housing cover attached, the second electric wire connector 2 is basically the first electric wire connector 1
It has the same appearance as.

The contactor 11 is made of a strip of copper-based alloy material that is a good conductor of electricity and has appropriate elasticity, and the housing body 7 and the cover are synthetic resin molded products having good electrical insulation, strength and heat resistance. It consists of

The first electric wire connector 1 and the second electric wire connector 2 having the above-mentioned constitutions, to which the power supply lines 4 and 13 are respectively connected, are opposed to each other as shown in FIG. So that the contact 3 of the first electric wire connector 1
When inserted and pushed through the opening 8 of the electric wire connector 2 of No. 1, the distance between the facing portions of the contacts 11 of the second electric wire connector 2 resists elasticity and widens so as to widen the first electric wire connector between the facing portions. The contactor 3 of 1 can be slid in.

[0010]

2. Description of the Related Art In this way, both electric wire connectors 1 and 2 can be conductively connected.
As shown in FIG. 1, almost both side surfaces are contact-connected by surface contact. In this way, the direction of the tip 12 of the contact 11 of the second wire connector 2 is elastically deformed with respect to the contact 3 of the first wire connector 1 so that the surface of the contact 11 is It is set and formed so as to match the surface.

[0011]

The side faces of the contactor 3 of the first electric wire connector 1 and the contactor 11 of the second electric wire connector 2 are brought into surface contact with each other to supply a predetermined allowable amount of power supply current. Guaranteed to get. In order to guarantee the permissible amount of the predetermined current, in addition to depending on the cross-sectional areas of the contacts 3 and 11 and the contact pressure, a contact area is also required.

However, the contact area does not always have to be an assumed setting condition, and points and lines are considered in consideration of manufacturing errors, mechanical deformation due to use, deformation due to wear, inclusion of foreign matter, and the like. The contact state is close to that, and all the elastic force is concentrated on this contact portion, and the current is supplied in a local contact area.

In such a situation, when the device is used in a state where the maximum allowable current is applied or when the current exceeds the allowable value, the contact portion may generate heat depending on the situation. By this heat generation, heat is transferred to the terminal mounting portion 9, so that the synthetic resin of the housing body 7 is softened beyond its heat resistant temperature, and therefore is deformed by the elastic force of the contact 11 in an attempt to restore it. There is a case where the electric wire connector 1 of No. 1 restores and moves in the direction in which the contact pressure with the contactor 3 decreases.

In such a situation, heat generation is further accelerated and the current carrying capacity is reduced. In view of such a problem, the present invention aims to positively improve the contact state of the contacts, and to provide a connection structure for such an electric wire connector. is there.

[0015]

In order to achieve the above object, the gist of the construction of the connection structure of the electric wire connector of the present invention is, according to the first aspect, the first embodiment in which a contact is projected at the tip. Inserted from the outside of the second wire connector and the second wire connector, which receives the contact of the wire connector and the first wire connector and is conductively connected by surface contact between the inner contact and the side surface. A screw for fastening the contactor of the first wire connector and the contactor of the second wire connector, and inserting the contactor of the first wire connector into the second wire connector. Is a connection structure of an electric wire connector in which the contacts are brought into contact with each other and the screw is screwed into the contacts to fasten and connect the contacts.

According to the second aspect, the first electric wire connector having the contactor protruding from the tip and the contactor of the first electric wire connector are received, and the inner contactor and the side surface are electrically contacted to each other. The second electric wire connector to be connected and the second electric wire connector are inserted from the outside and penetrate the contact of the first electric wire connector and the contact of the second electric wire connector to incline outside thereof. A V-shaped spring fastener for pressing both contacts by a surface, and inserting the contact of the first electric wire connector into the second electric wire connector to bring the contacts into contact with each other. It is a connection structure of an electric wire connector in which the spring engaging member is inserted through and the contacts are pressure-connected.

According to the third aspect, the first electric wire connector having the contactor protruding from the tip and the contactor of the first electric wire connector are received, and the inner contactor and the side surface are brought into contact with each other to conduct electricity. A second wire connector to be connected and a spring pressure contact inserted from the outside of the second wire connector to make pressure contact from both outsides of the contactor of the first wire connector and the contactor of the second wire connector. And a second contact for the first electric wire connector.
The connection structure of the electric wire connector in which the contacts are brought into contact with each other to make contact between the contactors and the spring pressure contact fittings are fitted to both outer sides of the contactors so as to make pressure contact between the contactors.

According to the fourth aspect, the first electric wire connector having the contactor protruding from the tip and the contactor of the first electric wire connector are received, and the inner contactor and the side surface are brought into contact with each other to conduct electricity. A screw that follows the inclined surface by rotating the second electric wire connector to be connected and the contact of the first electric wire connector that is provided inside the second electric wire connector and is inserted from the outside. Pressure contact means capable of pressing the contact pieces by moving the members, and inserting the contact piece of the first electric wire connector into the second electric wire connector to bring the contact pieces into contact with each other, and the screw member of the press contacting means. 2 is a connection structure of an electric wire connector for rotating and contacting to connect the contacts under pressure.

According to the fifth aspect, the first wire connector having the contact protruding from the tip and the contact of the first wire connector are received, and the inner contact is electrically contacted by the surface contact between the side surfaces. The second electric wire connector to be connected and the second electric wire connector are inserted from the outside and penetrate through the contactor of the first electric wire connector and the contactor of the second electric wire connector to lock the tip. It consists of a spring crimping tool that can crimp both contacts by rotating one piece,
The contact of the first electric wire connector is inserted into the second electric wire connector to bring the contacts into contact with each other, and the spring crimping tool is inserted through the contact and rotated to contact the locking piece at the tip. It is a connection structure of an electric wire connector that engages the outer surface of the child by pressure contact force of a spring to make pressure contact between the contacts.

According to the sixth aspect, the first wire connector having the contact protruding from the tip and the contact of the first wire connector are received, and the inner contact and the side surface are electrically contacted to each other. The contact of the first wire connector and the contact of the second wire connector can be pressed together by rotating the second wire connector to be connected and the outside of the second wire connector. A lever-type press-connector, wherein the contact of the first electric wire connector is inserted into the contact of the second electric-wire connector to bring the contacts into contact with each other to rotate the lever of the lever-type press-connector. It is a connection structure of an electric wire connector that press-connects between the contacts by lever action.

[0021]

According to the first aspect of the constitution means of the present invention, the contact of the first electric wire connector is inserted into the second electric wire connector so that the contact between the two contacts is made into the second electric wire connector. By inserting a screw from the outside of the electric wire connector of and screwing it into the contact,
Since the contacts are fastened and connected, a reliable conductive connection state can be obtained, and the contacts can be easily released by an operation from the outside, if necessary.

According to the second aspect, the contact of the first electric wire connector is inserted into the second electric wire connector so that both contacts are in contact with each other. Since the spring engaging member is inserted from the above and inserted through the contactor to press and connect the contactors, it is possible to perform one-touch operation, and it is possible to easily release it by an operation from the outside when necessary.

According to the third aspect, the contact of the first electric wire connector is inserted into the second electric wire connector so that both contacts are in contact with each other from the outside of the second electric wire connector. Insert the spring press fitting, fit the spring press fitting on both outsides of the contact,
Since the contacts are pressure-connected to each other, it can be performed in a one-touch type, and can be easily released by an operation from the outside when necessary.

According to the fourth aspect, the contact of the first electric wire connector is inserted into the second electric wire connector and both contactors are brought into contact with each other, and the contact is provided inside the second electric wire connector. First,
It is possible to press-connect the contact by pressing the inclined surface due to the movement of the screw member by externally operating and rotating the screw member of the press-connecting means in which the contactor of the electric wire connector is inserted. . It can be released by moving the screw member in the retracting direction.

According to the fifth aspect, the contact of the first electric wire connector is inserted into the second electric wire connector so that both contacts are in contact with each other from the outside of the second electric wire connector. By inserting a spring crimping tool, inserting it through the contactor, and pressing and rotating it to engage the locking piece at the tip with the outer surface of the contactor, the contact force between the contactors can be connected by pressure with the spring. You can do the ceremony. It can be easily released by the reverse operation.

According to the sixth aspect, the contact of the first electric wire connector is inserted into the second electric wire connector so that both contacts are in contact with each other, and the contactor of the first electric wire connector is provided on the second electric wire connector. The lever of the lever-type press-connecting tool that is used can be rotated from the outside and the contacts can be pressed and connected by the lever action in a one-touch type. It can be easily released by operating the lever in reverse.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The connection structure of the electric wire connector of the present invention will be described in detail below with reference to the drawings in the embodiments based on the gist of the construction. It should be noted that, for convenience, the same reference numerals are given to the same portions throughout the drawings for easy understanding.

FIG. 1 is a schematic view of the first embodiment of the present invention.
A connection state between the first electric wire connector 21 and the second electric wire connector 22 is shown. The first electric wire connector 21 is internally connected to a contactor 23 that is projected in parallel from one end, and a conductive wire of the power supply wire 4 that is insulated and introduced from the other end is internally connected to the contactor 23. The cover 5 is fixed to the housing body on the back side of the drawing with screws 6 so as to be integrally fixed.

The contact 23 is made of a strip of copper-based alloy material that is a good conductor of electricity, and a screw hole 24 is formed in each. The housing body and the cover 5 are made of a synthetic resin molded product having good electric insulation, strength and heat resistance.

The second electric wire connector 22 is shown with the housing cover removed. Housing body 25
An opening 8 into which the contact 23 of the first electric wire connector 21 is inserted is provided in one of the two, and two terminal mounting portions 9 are fitted and fixed in the inside.

The contacts 26 extending from the terminal mounting portion 9 toward the opening 8 seem to face each other, and the tip 1
The two directions are curved so as to be warped and are formed to approach each other. The contact 26 includes a screw hole 24 of the contact 23.
The screw insertion holes 27 are formed corresponding to the above.

The ends of the two conductive wires 14 inside the insulated power supply wire 13 introduced from the other side of the housing body 25 are connected to the lug terminals 15, respectively. Attached and fixed in place.

The two holes 17 on the center line are screw insertion holes for mounting the housing cover, which are removed and not shown. With the housing cover attached, the second wire connector 22 basically has the same shape as the first wire connector 21.

The contact 26 is made of a strip of copper-based alloy material that is a good conductor of electricity and has appropriate elasticity, and the housing body 25 and the cover are synthetic resin molded products having good electrical insulation, strength and heat resistance. It consists of In the housing body 25 and the cover, holes 28 for screw insertion are provided at positions corresponding to the screw insertion holes 27 of the contact 26.
A semi-circle is formed for each of the two.

A screw 29 is provided outside the hole 28. The screw 29 includes a screw portion 31 at the tip, a metal portion on which the large diameter portions 32 and 33 are formed, and a knob 34 that covers the large diameter portions 32 and 33 and is made of synthetic resin with good electrical insulation and is made of synthetic resin. A groove 35 is formed on the head end surface of the knob 34.

With the above-mentioned structure, the first electric wire connector 21 to which the power supply lines 4 and 13 are connected, respectively.
The contact 26 of the second electric wire connector 22 is inserted and connected in the state shown in FIG.
The gap between the six facings resists elasticity and widens first
The contactor 23 of the electric wire connector 21 can be slid between the facing members.

The contact 23 of the first electric wire connector 21 and the second
The electric wire connector 22 is electrically connected to the contact 26 of the electric wire connector 22 by making surface contact with each other, but the screw hole 24 of the contact 23 and the screw insertion hole 27 of the contact 26 coincide with each other. The screw insertion hole 28 formed by the housing body 25 and the cover is also aligned on the same axis.

A screw 29 is inserted from the hole 28 into the illustrated state, screwed into the screw hole 24, and tightened to contact the contacts 23, 2.
The surface of 6 is more surely contacted, and the conductive connection state is not a point contact as in the past, but a surface contact, which can be used with sufficient peace of mind without being accompanied by heat generation against an allowable safe current. Becomes

The knob 34 can be tightened or loosened by the surface knurl (slit) without slipping,
It is also possible to apply an appropriate tool or coin to the groove 35.

According to this embodiment, reliable surface contact between the contacts 23, 26 is guaranteed, but the wire connectors 21, 2
It is also possible to prevent the careless disengagement of the two and the unstable contact state which cannot be disengaged. Further, the work can be performed safely even when the power is on.

FIG. 2 is a schematic view of the second embodiment of the present invention.
The connection state between the first electric wire connector 41 and the second electric wire connector 42 is shown. The first electric wire connector 41 is internally mounted to the contactor 43 that is projected in parallel from one end, and the conductive wire of the power supply wire 4 that is insulated from the other end and is introduced from the other end is internally connected. The cover 5 is fixed to the housing body on the back side of the drawing with screws 6 so as to be integrally fixed.

The contactor 43 is made of a strip of copper-based alloy material that is a good conductor of electricity, and a rectangular through hole 44 is formed in each of them. The housing main body and the cover 5 are made of a synthetic resin molded product having good electrical insulation, strength and heat resistance.

The second electric wire connector 42 is shown with the housing cover removed. Housing body 45
An opening 8 into which the contact 43 of the first wire connector 41 is inserted is provided in one of the two, and two terminal attachment portions 9 are fitted and fixedly attached inside.

The contacts 46 extending from the terminal mounting portion 9 toward the opening 8 seem to face each other, and the tip 1
The two directions are curved so as to be warped and are formed to approach each other. The contact 46 includes a through hole 44 of the contact 43.
A rectangular through hole 47 is formed corresponding to each of the above.

The ends of the two conductive wires 14 inside the insulated power supply wire 13 introduced from the other side of the housing body 45 are connected to the lug terminals 15, respectively, and the lug terminals 15 are screwed to the terminal mounting portion 9 by screws 16 Attached and fixed in place.

The two holes 17 on the center line are screw insertion holes for attaching the housing cover, which are removed and not shown. With the housing cover attached, the second electric wire connector 42 basically has the same shape as the first electric wire connector 41.

The contactor 46 is made of a strip of copper-based alloy material having a good electrical conductivity and moderate elasticity, and the housing body 45 and the cover are synthetic resin molded products having good electrical insulation, strength and heat resistance. It consists of The housing body 45 and the cover have contacts 43,
V-shaped holes 48 for inserting the spring fasteners are formed at positions corresponding to the through-holes 44 and 47 of 46, respectively.

A spring engaging member 49 is provided outside the hole 48. As shown in the enlarged view of FIG. 3A, the spring fastening tool 49 is a fastening fitting for symmetrically fastening the contacts to both sides of a V-shaped leaf spring 52 made of a spring steel plate or the like. 53 is attached together, and a knob 54 made of synthetic resin having good electric insulation is integrally formed on the tip side.

A trapezoidal recess 55 that widens toward the opening side is formed at the end of the fitting 53, and the spreading surface is just a tapered surface 56. A cross section taken along the line AA of FIG. 7A is as shown in FIG. 7B, the width of the fitting 53 is equal to the width of the leaf spring 52, and the through holes 4 of the contacts 43 and 46 are formed.
It can be fitted in the width direction of 4, 47.

The cross section B--B of FIG. 5A is as shown in FIG. 6C, and the leaf spring 52 is fitted into the groove 57 formed by widening the width of the engaging metal fitting 53 to be integrated. It is supposed to be fixed. By being supported by the attachment fittings 53 in this manner, the leaf springs 52 are configured to be elastically deformable by being concentrated on the V-shaped bent portion.

A cross section taken along the line CC of FIG. 5A is as shown in FIG. 6D, and the entire periphery of the fastening metal fitting 53 including the leaf spring 52 is surrounded and integrated by a knob 54 made of synthetic resin. There is. With the above configuration, the power supply lines 4 and 13
To the first electric wire connector 41 connected to the
By inserting and connecting the contactor 46 of the electric wire connector 42 in the state shown in the drawing, the gap between the opposing contactors 46 of the second electric wire connector 42 is elastically resisted and widened so as to expand the first electric wire. The contactor 43 of the connector 41 can be slid between the opposing members.

The contactor 43 of the first electric wire connector 41 and the second
The conductor 46 is electrically connected to the contact 46 of the wire connector 42 by making surface contact with each other, but the through hole 44 of the contact 43 and the through hole 47 of the contact 46 coincide with each other, and The hole 48 composed of the main body 45 and the cover is also
Match on the same axis.

As shown in FIG. 4A, the spring fasteners 49 are inserted through the holes 48 in a state in which the knobs 54 are pressed from both sides to be brought close to each other, and the through holes 44, The spring fittings 49 are restored by the elastic restoring force of the leaf springs 52 by penetrating the inside of 47 and separating them with the fittings 53 fitted therein. This is
As shown in FIG. 2B or FIG. 4B.

That is, the spring fastener 49 is not completely restored to its original state, and its elastic force is maintained midway through the through hole 4.
The side surfaces of 4, 47 are in contact with each other. That is, the metal fitting 5
That is, the tapered surface 56 of the recess 55 of No. 3 comes into contact with the outer corners of both through holes 44 and 47. This state is
The bottom surface of the recess 55 does not contact the side surfaces of the through holes 44 and 47,
Has an appropriate spacing.

Since the tapered surface 56 is an inclined surface, it seems that the elastic force of the leaf spring 52 in the expanding direction pushes both corners of the through-holes 44 and 47 apart, and therefore both contactors 4
The contact surfaces of the contact elements 3, 46 are pressed against each other, and the surfaces of the contact elements 43, 46 are more surely connected, and the conductive connection state is not the point contact as in the conventional case but the surface contact is performed. The product can be used with sufficient peace of mind without being accompanied by heat generation against the allowable safe current.

The spring engaging member 49 can be easily removed by the reverse procedure of the attachment, and any operation can be performed by one-touch type. According to the present embodiment, reliable surface contact between the contacts 43, 46 is guaranteed, but inadvertent disengagement of the wire connectors 41, 42 and unstable contact that cannot be disengaged. It is also prevented. Further, the work can be performed safely even when the power is on.

FIG. 5 is a schematic view of the third embodiment of the present invention.
The connection state between the first electric wire connector 61 and the second electric wire connector 62 is shown. The first electric wire connector 61 is internally attached to the contactor 63 that is projected in parallel from one end, and the conductive wire of the power supply wire 4 that is insulated and is introduced from the other end is internally connected to the contactor 63. The cover 5 is fixed to the housing body on the back side of the drawing with screws 6 so as to be integrally fixed.

The contact 63 is made of a strip of copper-based alloy material that is a good conductor of electricity, and a small diameter through hole 64 is formed in each. The housing main body and the cover 5 are made of a synthetic resin molded product having good electrical insulation, strength and heat resistance.

The second electric wire connector 62 is shown with the housing cover removed. Housing body 65
An opening 8 into which the contact 63 of the first electric wire connector 61 is inserted is provided in one of the two, and two terminal mounting portions 9 are fitted and mounted in a fixed state inside.

The contacts 66 extending from the terminal mounting portion 9 toward the opening 8 seem to face each other, and the tip 1
The two directions are curved so as to be warped and are formed to approach each other. The contact 66 includes a through hole 64 of the contact 63.
A small-diameter through hole 67 is formed in each of the above.

The ends of the two conductive wires 14 inside the insulated power supply wire 13 introduced from the other side of the housing body 65 are connected to the lug terminals 15, respectively. Attached and fixed in place.

The two holes 17 on the center line are screw insertion holes for mounting the housing cover, which are not shown and are removed. With the housing cover attached, the second wire connector 62 basically has the same shape as the first wire connector 61.

The contactor 66 is made of a strip of copper-based alloy material that is a good conductor of electricity and has appropriate elasticity, and the housing body 65 and the cover are synthetic resin molded products having good electrical insulation, strength and heat resistance. It consists of

One of the housing body 65 and the cover is provided with contacts 63, 66 in a direction orthogonal to the plane of the drawing.
Square holes 68 for insertion of the spring press-fitting tool are formed at corresponding positions of the through holes 64, 67. In the case of this embodiment, it is formed on the housing body 65 side.

On the outside of the hole 68, a spring pressure contact tool 69 is prepared. The spring press 69 is as shown in the cross-sectional view of Figure 6b and the side view of Figure 6c. That is, a spring-made steel material or a spring copper-alloy material, etc., and a pair of plate-shaped opposed spring pieces 71 are curved at their intermediate portions, and a small spherical projection 72 is formed at the closest position. ing. The distance between the spring pieces 71 facing each other is set to be appropriately smaller than the sum of the thicknesses of the contacts 63 and 66.

At the base of the spring piece 71, a mountain-shaped projection portion 73 is projected inward, and an arm portion 74 is projected outward. This outer arm part 7
4 is a knob 75 made of synthetic resin having good electric insulation.
Are integrally formed.

With the above-mentioned structure, the first electric wire connector 61 to which the power supply lines 4 and 13 are connected, respectively.
Then, by inserting and connecting the contactor 63 of the second electric wire connector 62 in the illustrated state, the contactor 6 of the second electric wire connector 62 is connected.
The contact 63 of the first electric wire connector 61 can be slid in between the opposing members by widening the interval between the opposing members of the elastic member 6 against elasticity.

The contact 63 of the first electric wire connector 61 and the second
The contactor 66 of the electric wire connector 62 is conductively connected when the side surfaces thereof are in surface contact with each other, and the through hole 64 of the contactor 63 and the through hole 67 of the contactor 66 are aligned with each other.

The spring piece 71 of the spring press contact 69 is inserted from the hole 68 of the housing body 65, and the space between the opposed spring pieces 71 is pushed along both sides of the contacts 63 and 66 to be inserted. Between the opposed spring pieces 71, the spring pieces 71 are slid in such a manner that they are spread apart, and the state shown in the sectional view of FIG. It can be easily pushed in by pushing the end of the knob 75.

As shown in the figure, the protruding portion 73 is positioned by abutting the edge surfaces of the contacts 63, 66, and the spring piece 71
The small protrusions 72 formed in the above are fitted into the through holes 64 and 67 formed in the contacts 63 and 66.

By providing the protrusion 73 on the base side of the spring piece 71, the length from the base of the spring piece 71 to the working position can be secured, so that a flexible spring elastic force can be obtained and the operability is excellent. Becomes In addition, a safe spring limit value can be set.

The opposing contact surfaces of the contacts 63, 66 are prevented from being point contact as in the conventional case due to the pressure contact elastic force of the spring pressure contact tool 69, and can be made sure surface contact and generate heat against the allowable safe current. It is possible to use it with full peace of mind without being accompanied by such things.

The spring press-fitting device 69 can be easily removed by reversing the procedure of attachment, and also at this time, it is easy to hold the knob 75. Any operation can be performed by a one-touch method.

According to this embodiment, reliable surface contact between the contacts 63, 66 is guaranteed, but the small projection 72 is fitted into the through holes 64, 67 in addition to the pressure contact force to connect the wires. It is possible to prevent the careless detachment of the containers 61 and 62, and the unstable contact state, which is not disengaged, to a considerable extent. Work can be performed safely even when the power is on.

FIG. 7 is a schematic view of the fourth embodiment of the present invention.
The connection state between the first electric wire connector 81 and the second electric wire connector 82 is shown. The first electric wire connector 81 is internally connected to the contactor 83 which is projected in parallel from one end, and the conductive wire of the power supply wire 4 which is insulated and is introduced from the other end is internally connected to the contactor 83. The cover 5 is fixed to the housing body on the back side of the drawing with screws 6 so as to be integrally fixed. The contactor 83 is made of a strip of copper-based alloy material that is a good conductor of electricity. The housing body and the cover 5 are made of a synthetic resin molded product having good electric insulation, strength and heat resistance.

The second electric wire connector 82 is shown in a state where the housing cover is removed and the contact portion is cross-sectioned. The opening 8 into which the contact 83 of the first electric wire connector 81 is inserted into one of the second electric wire connector 82.
Is equipped with two terminal mounting parts 9 inside.
Is fitted and fixedly attached.

The ends of the two conductive wires 14 inside the insulated power supply wire 13 introduced from the other side of the housing main body 85 are connected to the lug terminals 15, respectively. Attached and fixed in place.

The two holes 17 on the center line are screw insertion holes for mounting the housing cover, which are removed and not shown. With the housing cover attached, the second electric wire connector 82 basically has the same shape as the first electric wire connector 81.

The contacts 86 extending from the terminal mounting portion 9 toward the opening 8 are provided so as to come into contact with both surfaces of each of the contacts 83 of the first wire connector 81. The contactor 86 is made of a copper-based alloy material that is a good conductor of electricity, and the housing body 85 and the cover are made of a synthetic resin molded product having good electrical insulation, strength, and heat resistance.

The housing body 85 and the cover are
A notch-shaped opening 87 for operating the pressure contact means is formed on both sides for operating the contact 86 portion from the outside.

The contact 83 of the first electric wire connector 81 and the second
The press-contact means for press-contacting the contacts 86 of the electric wire connector 82 will be specifically described with reference to FIG. 8 and subsequent figures. FIG.
Is the first embodiment. 8A is a plan view and is a sectional view taken along line DD of FIG. 8B, FIG. 8B is a side view, FIG. 8C is an end view taken along line EE of FIG. ) Is the figure (a)
F-F end views of are shown in each.

As shown in FIG. 8B, the terminal mounting portion 9 of the press-fitting means main body 88 is a cubic block, and a screw hole 89 into which the screw 16 for mounting the lug terminal 15 is screwed is provided in the central portion. ing. The accommodating portion 91 of the contact extending integrally from the terminal mounting portion 9 has a columnar shape 92.
A screw 93 is provided around the groove, and a groove 94 is formed so as to divide the right and left.

On both inner wall surfaces of the groove 94, a guide groove 95 along the longitudinal direction and an inclined surface 96 whose tip is widened are formed. 9 shows a side view of the contactor 86 in FIG. 9A, a plan view of FIG. 9A in FIG. 9B, and an end view of FIG. 9B in FIG. 9C. The contactor 86 is a cylindrical end 9
A tapered inclined surface 99 is formed between 7 and the large diameter portion 98, and both side surfaces 101 are formed in parallel planes. The middle portion is a divided groove 102, and the end portion is a widened inclined surface 103. The contactor 86 is divided into a pair as described above.

FIG. 10 shows the screw member 105, FIG. 10A is an end view of FIG. 10B, FIG. 10B is a side sectional view thereof, and FIG. The screw member 105 includes an inner cylindrical metal member 106 and a knob portion 107 that covers the outside thereof and is made of a synthetic resin molded product having good electric insulation.

The inner surface of the cylindrical metal fitting 106 is provided with a screw 10 on one side.
8 and a circular tapered surface 109 is formed on the other side.
A knurl (notch) is formed on the outer periphery of the knob portion 107.

As shown in FIG. 7, the contactor 86 is accommodated in the groove 94 of the contactor accommodating portion 91 of the press-contacting means main body 88 and the screw member 105 is fitted to the screw 93 of the press-contacting means main body 88. Screw 108 of screw member 105
Screw in.

The contactor 86 just fits into the groove 94 of the press-contacting means main body 88 and is positioned without moving in the rotational direction. The tapered surface 109 of the screw member 105 is set to match the inclined surface 99 of the contactor 86.

Therefore, when the screw member 105 is not tightened and the contact 86 is not tightened by the tapered surface 109, the contact 86 moves in the groove 94 in the longitudinal direction and the radial direction by the gap. It is possible.

With the contactor 86 and the screw member 105 attached to the press-contact means main body 88 as described above, the terminal attaching portion 9 is attached to the housing main body 85 as shown in FIG.
Is embedded and fixed in a fixed state.

The first electric wire connector 81 having the above-mentioned structure, to which the power supply lines 4 and 13 are connected, respectively.
The contactor 8 of the first electric wire connector 81 is inserted and connected to the second electric wire connector 82 in the illustrated state.
3 is inserted between the grooves 102 of the contactor 86 of the second wire connector 82.

In this case, the guide groove 9 formed on the side wall surface inside the groove 94 of the contactor accommodating portion 91 of the press-contact means main body 88.
The width of 5 and the width of the groove 102 between the facing of the contactor 86 are wide enough to receive the contactor 83 of the first wire connector 81. In addition, the guide groove 95 and the groove 102
The inclined surfaces 96 and 103 at the tips serve as guides suitable for inserting the tips of the contactors 83.

FIG. 11A shows a state in which a cross section is taken at the tip of the contactor 86. The lower part in the drawing is the housing main body 85, and the upper part is the housing cover 111. In addition, in FIG. 8B, the contactor 86 is attached to the main body 88 of the pressure contact means,
A partially enlarged cross-sectional view of only one state where the screw member 105 is assembled and the contactor 83 is inserted is shown.

Referring mainly to FIG. 11B, the explanation will be given with reference to the opening 87 of the second wire connector 82 and the screw member 1.
By applying a finger to the knob portion 107 of 05 and rotating it in the tightening direction, the screw member 105 moves in the axial direction, and the taper surface 109 thereof has the tapered surface 109 of the inclined surface 9 of the contactor 86.
Press 9.

Since the rear end side of the contactor 86 is positioned in contact with the rear end portion of the groove 94 of the contactor accommodating portion 91, the first electric wire connection is made by the component force corresponding to the contact angle of the inclined surface 99. The contactor 83 of the container 81 is pressed from both sides.
That is, a reliable surface contact state on both surfaces can be obtained. The conductive connection between the contacts 83, 86 by this surface contact is nothing but the conductive connection with the terminal mounting portion 9 due to the connection connection with the rear end surface of the contact 86 and the tapered surface 109 which are strongly pressed.

The state shown is that of the inclined surface 9 of the contactor 86.
Although the position of 9 is a position near the tip of the contactor 86, the contact position of the inclined surface 99 and the tapered surface 109 can be set to an arbitrary position, so that it should be positioned in the intermediate portion of the contact surface with the contactor 83. You can also With such a setting, a more stable pressing contact state can be obtained. Since the conductive connection state is not a point contact as in the conventional case but a surface contact, it can be used with sufficient peace of mind without being accompanied by heat generation with respect to an allowable safe current.

The first wire connector 81 can be easily removed by moving the screw member 105 in the loosening direction. According to the present embodiment, reliable surface contact between the contacts 83, 86 is guaranteed, and accidental disengagement of the wire connectors 81, 82 and instability of contact that cannot be disengaged are prevented. To be done. Further, even when the power is on, work can be performed without fear of electric shock.

A press-contacting means for press-contacting the contact 83 of the first wire connector 81 and the contact 86 of the second wire connector 82 in the fourth embodiment of the present invention will be described with reference to FIG. FIG. 12 shows the second embodiment. 12A is a plan view and is a sectional view taken along line GG of FIG. 12B, FIG. 12B is a side view, and FIG. 12C is an end view of HH of FIG.
The figure (d) shows the I-I end view of the figure (a), respectively.

As shown in FIG. 8B, the terminal mounting portion 9 of the press-fitting means main body 115 is a cubic block, and a screw hole 89 into which the screw 16 for mounting the lug terminal 15 is screwed is provided in the central portion. ing. The accommodating portion 116 of the contact extending integrally from the terminal mounting portion 9 is a columnar shape 9.
A screw 93 is provided around 2, and a groove 117 is formed so as to divide one side into right and left in a plan view.

On both inner wall surfaces of the groove 117, a guide groove 95 along the longitudinal direction and an inclined surface 96 whose tip is widened are formed. In the press-contact means main body 115, one corresponding to the pair of contacts 86 shown in FIG.
Is integrally formed with the part. However, as is clear from the figure, the contactor 86 does not have the inclined surface 99, and the screw 93 is continuously provided around the periphery.

Therefore, in this embodiment, only the other of the pair of contacts 86 shown in FIG. 9 is accommodated in the groove 117, and the screw member 105 is fitted around them.
The screw 108 of the screw member 105 is screwed into the screw 93 of the press-fitting means main body 115.

The contact 86 is the groove 11 of the press-fitting means main body 115.
7 is just fitted and positioned without moving in the direction of rotation. The screw member 10 is attached to the inclined surface 99 of the contactor 86.
The tapered surfaces 109 of No. 5 are set so as to coincide with each other.

Therefore, in the state where the screw member 105 is not tightened and the contact 86 is not tightened by the tapered surface 109, the contact 86 moves in the groove 117 in the longitudinal direction and the radial direction by the gap. It is possible.

With the contactor 86 and the screw member 105 attached to the press-contact means main body 115 as described above, the housing main body 85 is replaced with the press-contact means main body 88 shown in FIG.
The terminal mounting portion 9 is embedded and mounted in a fixed state.

With the above-mentioned structure, the first electric wire connector 81 to which the power supply lines 4 and 13 are connected, respectively.
The contactor 8 of the first electric wire connector 81 is inserted and connected to the second electric wire connector 82 in the illustrated state.
3 is the groove 1 of the press-contact means main body 115 of the second electric wire connector 82.
It is inserted between the bottom surface of 17 and the facing surface of the contactor 86.

In this case, the width of the guide groove 95 in the groove 117 of the contactor accommodating portion 116 of the pressure contact means main body 115 and the width between the opposing contactors 86 are the contactor 83 of the first wire connector 81. Wide enough to accept. The inclined surface 96 at the tip of the guide groove 95 serves as a guide suitable for inserting the tip of the contactor 83.

FIG. 11A shows a state in which a cross section is formed at the tip of the contactor 86. The lower part is the housing main body 85, and the upper part is the housing cover 111. FIG. 2B shows an enlarged view of only one of the state in which the contactor 86 and the screw member 105 are assembled and the contactor 83 is inserted in the press-contacting means main body 88 portion. The pressing means main body 115 of the second embodiment
Then, the second embodiment of the fourth embodiment of the present invention will be described by assuming that one of the contacts 86 is replaced with the contact housing 116.

As described above, mainly referring to FIG. 11B, the fingers are applied to the knob portion 107 of the screw member 105 from the opening 87 of the second electric wire connector 82 and rotated in the tightening direction. When operated, the screw member 105 moves in the axial direction, and the tapered surface 109 presses the inclined surface 99 of the contactor 86.

The rear end side of the contactor 86 is the contactor accommodating portion 116.
Since the groove 117 is positioned in contact with the rear end of the groove 117, the contact 83 of the first wire connector 81 is pressed from one side by the component force corresponding to the contact angle of the inclined surface 99. That is, the surface on the opposite side of the contactor 83 is pressed against the bottom surface of the groove 117 of the contactor housing portion 116 and comes into contact with this bottom surface.

In this way, as a result, the contactor 83 is contacted on both sides by the contactor accommodating portion 116 and the contactor 86, and is electrically conductively connected so that reliable connection is made on both sides. According to the present embodiment, although only one movable contact 86 is provided and both surfaces of the contact 83 of the first electric wire connector 81 can be electrically conductively connected, other actions and effects will be described. This is similar to the first embodiment of the fourth embodiment described above.

The first wire connector 81 can be easily removed by moving the screw member 105 in the loosening direction. Also in this embodiment, the reliable surface contact of the contactor 83 is ensured, and the careless detachment of the electric wire connectors 81 and 82 from each other and the unstable contact state which cannot be disengaged are prevented. Further, even when the power is on, work can be performed without fear of electric shock.

FIG. 13 is a schematic view of the fifth embodiment of the present invention, in which a first electric wire connector 121 and a second electric wire connector 122 are provided.
The connection status with is shown. The first electric wire connector 121 is attached to the inside thereof, and the contactor 123 protruding in parallel from one end is connected to the contactor 123.
Are electrically connected inside, and the cover 5 of the housing is integrally fixed to the housing main body on the back surface of the drawing by screws 6.

The contacts 123 are made of copper alloy strips which are good conductors of electricity, and each have a rectangular through hole 124.
Are formed. Housing body and cover 5
Is made of a synthetic resin molded product having good electrical insulation, strength and heat resistance.

The second electric wire connector 122 is shown with the housing cover removed. Housing body 1
One of the contacts 25 has a contact 123 of the first wire connector 121.
Is provided with an opening 8 into which two terminal attachment portions 9 are embedded and fixedly attached.

The contacts 126 extending from the terminal mounting portion 9 in the direction of the opening 8 are opposed to each other, and the tips 12 are formed so as to be bent so as to be warped and approach each other. The contact 126 has a rectangular through hole 127 corresponding to the through hole 124 of the contact 123.

The ends of the two conductive wires 14 inside the insulated power supply wire 13 introduced from the other side of the housing body 125 are connected to the lug terminals 15, respectively.
Is attached and fixed to the terminal attachment portion 9 with a screw 16.

The two holes 17 on the center line are screw insertion holes for mounting the housing cover, which are removed and not shown. With the housing cover attached, the second electric wire connector 122 basically has the same shape as the first electric wire connector 121.

The contact 126 is a good conductor of electricity and is made of a strip of copper alloy material having appropriate elasticity, and the housing body 125 and the cover are synthetic resin molded products having good electrical insulation, strength and heat resistance. It consists of The contact 1 is provided on the housing body 125 and the cover.
A concave shape is formed in each of the holes 23 and 126 at positions corresponding to the through holes 124 and 127 so that a hole 128 for inserting the spring pressure contact tool is formed.

On the outside of the hole 128, the spring pressure contact member 12 is provided.
9 is prepared. The spring press fitting 129 is shown in FIG.
FIG. 9A is a side view of an enlarged partial cross section of FIG.
As shown in the side view (b) of 0 ° direction rotation, a cylindrical member 134 is fitted to the other end of a shaft member 132 having a rectangular locking piece 131 integrally formed at one end. 1
32 and the cylindrical member 134 are fixedly coupled by two pins 135.

A compression coil spring 136 and a washer 137 are fitted to the shaft member 132 between the locking piece 131 and the cylindrical member 134 so as to be movable in the axial direction. A knob portion 138 made of synthetic resin having good electric insulation is integrally formed around the cylindrical member 134, and a groove 139 is provided on the end surface. Around the knob portion 138 is a knurl (notch)
Are formed.

A sectional view taken along the line JJ in FIG. 7B is shown in FIG.
FIG. 7D shows an end view taken along the line KK in FIG. As is clear from these figures, the shaft portion is circular, the locking piece 131 is rectangular having long sides and short sides, and the tip direction thereof is sharpened in a pyramidal shape.

In the state shown in FIG. 14, the spring 13 is in the extended free state, and the interval between the washer 137 and the surface of the locking piece 131 is set to a predetermined interval. With the configuration as described above, by inserting and connecting the contacts 123 of the first electric wire connector 121 to which the power supply lines 4 and 13 are respectively connected to the second electric wire connector 122 in the illustrated state, The first wire connector 121 of the second wire connector 122 is arranged so that the space between the contacts 126 of the contact 126 of the second wire connector 122 resists elasticity and spreads.
The contact 123 can be slid in.

The contactor 123 of the first electric wire connector 121 and the contactor 126 of the second electric wire connector 122 are conductively connected when their side surfaces are in surface contact with each other, and the contactor 12
The through hole 124 of No. 3 and the through hole 127 of the contact 126 are aligned, and the hole 128 formed by the housing body 125 and the cover is also aligned on the same axis.

As shown in the upper side of FIG. 13, the hole 1
Align the tip of the locking piece 131 of the spring press fitting 129 with 28,
The contacts 123 and 126 are inserted with the through holes 124 and 127 in the same shape direction.

This is the reason why the locking piece 1 shown in FIG.
It is often shown in a partial view of the tip end 31. At this time, since the tip of the locking piece 131 is sharpened in a pyramid shape, it is easy to insert it into the through holes 124 and 127.

However, the locking piece 131 cannot pass through these overlapping through holes 124 and 127. This is because the washer 137 contacts the surface of the contact 126.

Then, the knob portion 138 is pushed in so as to be pressed, the spring 136 is compressed, and the locking piece 131 is pressed.
15B, and is rotated by 90 ° so that the short sides of the through holes 124 and 127 overlap the long sides of the locking pieces 131, as shown in FIG. 15B. By doing so, the locking piece 131 is engaged with the contacts 123, 126 and locked in the direction of withdrawal. This state is shown in FIG.
It is well shown on the lower side of the figure.

In this way, by releasing the hand, the surfaces of the contacts 123 and 126 are more surely brought into contact with each other, and the conductive connection state is not a point contact as in the conventional case but a surface contact, so that the allowable safe current is maintained. On the other hand, it can be used with confidence. In order to establish such a relationship, the free length of the spring 136 is set in advance so that the distance between the locking piece 131 of the spring press-contact tool 129 and the washer 137 is set.

The spring press-fitting tool 129 can be easily removed by the reverse procedure of the attachment, or by simply rotating the knob portion 138 in an arbitrary direction, and any operation can be performed by a one-touch method.

The spring press tool 129 can be easily attached / detached without slipping on the surface knurls (notches), and can be used in the groove 139 by using an appropriate tool or a coin. By making the direction of the groove 139 coincide with the long side direction of the locking piece 131, depending on the direction of the groove 139, the engagement between the locking piece 131 and the contacts 123, 126, or the non-engaged relationship. Can be easily identified.

According to this embodiment, reliable surface contact between the contacts 123, 126 is ensured, and the wire connectors 121, 1
It is also possible to prevent the careless disengagement of the two parts 22 and the unstable contact state without coming off. Further, the work can be performed safely even when the power is on.

FIG. 16 is a schematic view of the sixth embodiment of the present invention, in which a first wire connector 141 and a second wire connector 142 are provided.
The connection status with is shown. The first electric wire connector 141 is attached to the inside thereof, and the contactor 143 projected in parallel from one end thereof is connected to the contactor 143.
Are electrically connected to each other inside, and the housing cover 5 is integrally fixed to the housing main body on the back surface in the figure with screws 6.

The contact 143 is made of a strip of copper-based alloy material that is a good conductor of electricity, and the housing body and the cover 5 are made of a synthetic resin molded product having good electrical insulation, strength and heat resistance. .

The second electric wire connector 142 is shown with the housing cover removed. Housing body 1
On one side of 45, the contact 143 of the first electric wire connector 141
Is provided with an opening 8 into which two terminal attachment portions 9 are embedded and fixedly attached.

The contacts 146 extending from the terminal mounting portion 9 in the direction of the opening 8 seem to face each other, and the direction of the tip 12 is bent so as to warp and is formed to approach each other.

The ends of the two conductive wires 14 inside the insulated power supply wire 13 introduced from the other end of the housing body 145 are connected to the lug terminals 15, respectively.
Is attached and fixed to the terminal attachment portion 9 with a screw 16.

The two holes 17 on the center line are screw insertion holes for mounting the housing cover, which are removed and not shown. With the housing cover attached, the second electric wire connector 142 basically has the same shape as the first electric wire connector 141.

The contact 146 is made of a strip of copper-based alloy material that is a good conductor of electricity and has appropriate elasticity, and the housing body 145 and the cover are synthetic resin molded products having good electrical insulation, strength, and heat resistance. It consists of The housing body 145 and the cover are each formed with a concave shape so that the lever lead-out hole 147 of the lever type pressure contact fitting is formed at a position corresponding to the contact position of the contacts 143, 146.

Inside the hole 147, the lever-type pressure contactor 1
48 is attached. The lever-type press-connecting device 148 has an enlarged plan view of FIG. 17A and LL of FIG.
As shown in the front view (b) of FIG.
49 and a lever member 151.

The frame member 149 has through holes 152 on both side wall surfaces.
Is provided, and the bottom surface 153 is configured to be curved and projected inward. The lever member 151 includes a shaft portion 154 fitted in the through hole 152 of the frame member 149, an eccentric cam 155 rotatable about the shaft portion 154, and a lever 156 bent and extended from the shaft portion 154. The eccentric cam 155 is formed with a flat surface 157 for increasing the amount of eccentricity. On the tip side of the lever 156, a knob 158 formed by resin coating is formed by integrally molding synthetic resin having good electric insulation.

The through hole 152 of the frame member 149 is an appropriately long hole as shown in the drawing, and the fitted shaft portion 154.
A gap 159 is formed between and. In this way, whether the through hole 152 is a long hole is determined by interposing the lever member 151 when the frame member 149 is bent into a concave shape, and by bending the frame member 149 while fitting the shaft portion 154 into the through hole 152.
It is necessary that it is a long hole extending to the side.

Both the frame member 149 and the lever member 151 are made of a metal material, and preferably selected from a metal having strength and elasticity and good abrasion resistance. As shown in FIG. 16, the inside of the frame member 149 is arranged so as to penetrate the contact 146 of the second wire connector 142, and the frame member 149 is embedded in the housing main body 145 and the housing cover. It is supported and fixed so that there is no rattling by being surrounded as it is. The lever 156 of the lever member 151 is located outside the housing body 145.

With the above-mentioned structure, the first electric wire connector 14 to which the power supply lines 4 and 13 are connected, respectively.
By inserting and connecting the first contactor 143 to the second electric wire connector 142 in the state shown in the drawing, the contactor 146 of the second electric wire connector 142 is opposed to the elasticity and widened so as to widen. The contactor 143 of the first electric wire connector 141 can be slid into. In this state, the contactor 143 penetrates the frame member 149 of the lever-type press-contact tool 148.

Prior to inserting and connecting the first electric wire connector 141, the lever 156 of the lever-type press-connecting device 148 is operated and rotated to move the eccentric cam 1 as shown in FIG. 17 (c).
By setting the flat surface 157 of 55 to the position (withdrawal position) facing the contact 146, the first wire connector 141
The contact 143 can be easily inserted.

The contactor 143 of the first wire connector 141 and the contactor 146 of the second wire connector 142 are conductively connected when their side surfaces are in surface contact with each other. By rotating the eccentric cam 155 in the long diameter position as shown in FIG.

The contacts 143, 146 are pressure-contacted and surface-contacted by the bottom surface 153 of the frame member 149 and the major axis position (operating position) of the eccentric cam 155. The conductive connection state is not point contact as in the conventional case. Surface contact is made, and the product can be used safely with the allowable safe current. In this way, the lever action by the combination of the eccentric cam 155 and the lever 156 enables strong pressure contact.

Since the eccentric cam 155 is at the dead position at the pressure contact position, it does not naturally rotate toward the retracted position due to the frictional force. Although it is set so that a reliable tightening action works in the operating position, the bottom surface 153 of the frame member 149 is curved in order to make it stronger, and the restoring force due to the elastic deformation of this curved shape functions. Is.

The lever type pressure contact tool 148 is opened in the reverse order of the pressure contact, as shown in FIG. 17 (c), the lever 156 is opened.
It can be easily performed by rotating, and any operation can be performed by one touch.

According to this embodiment, reliable surface contact between the contacts 143, 146 is guaranteed, but the wire connector 14
It is also possible to prevent careless disengagement of the 1,142 from each other and an unstable contact state that would not come off. Further, the work can be performed safely even when the power is on.

FIG. 18 shows still another embodiment to which the present invention can be applied. According to this embodiment, the same parts as those in the above-mentioned embodiments are designated by the same reference numerals, and detailed description thereof will be omitted. Explaining the main points, the above-described first to sixth embodiments are applicable to each embodiment except the fourth embodiment.

In this embodiment, the first electric wire connector 161 has a contact 163 protruding therefrom, whereas the contact 166 of the second electric wire connector 162 connected thereto has a housing main body 16.
From the terminal attachment portion 9 attached to the connector 5, the two extend from each of the terminal attachment portions 9 so that the contactor 163 of each of the first wire connectors 161 inserted between them is sandwiched from both sides. Has become.

That is, for the first embodiment, a screw hole is provided on the inner side of the contact 166 of the second electric wire connector 162, and a screw insertion hole is formed on the outer side thereof. By forming the screw insertion hole in the contact 163 of the electric wire connector 161 as well, the screw 29 can be inserted and the fastening by the screw 29 can be performed. Of course, the screw insertion holes are formed in the housing body 165 and the housing cover.

For the second embodiment, the contact 163 of the first wire connector 161 and the second wire connector 162.
A through hole for inserting the spring engaging member 49 is formed in the contact 166 of the above, and a hole is also formed in the housing main body 165 and the housing cover, and the spring engaging device 49 can be inserted to perform pressure contact connection. .

For the third embodiment, the housing body 1
65 is provided with a hole for inserting the spring pressure contact 69, and the spring pressure contact 69 is inserted through this hole to contact the contact 163 of the first wire connector 161 and the contact 166 of the second wire connector 162.
Can be pressed and sandwiched.

In the fifth embodiment, the contact 163 of the first wire connector 161 and the contact 166 of the second wire connector 162 are formed with through holes for inserting the spring press-fitting tool 129. At the same time, holes are also provided in the housing body 165 and the housing cover, and the spring pressure contact tool 129 is inserted and rotated, whereby the pressure contact connection between the contacts 163 and 166 can be performed.

For the sixth embodiment, the second electric wire connector 1
62 is provided with a lever type pressure contactor 148, and the first electric wire connector 1
By inserting the contactor 163 of 61, the lever 156
When the eccentric cam 155 is rotated by rotating the
It is possible to press-connect 3,166.

The operational effects obtained by applying the above-described embodiments are the same as those of the above-described embodiments.

[0157]

As described above in detail, according to the connection structure of the electric wire connector of the present invention, the electric wire connectors for conducting the conductive connection by the plug-in connection type contact are positively connected to each other. Since it can be pressed into contact with each other, and reliable surface contact can be performed instead of unstable contact such as point contact and line contact, heat generation etc. for large current connection near the allowable limit. Can be suppressed, the reliability is improved, and it can be used safely.

It is also possible to prevent accidental disengagement of the electric wire connectors, and to prevent the contact from becoming unstable even if the electric wire connectors are not detached.
The practical effect is extremely remarkable.

[Brief description of drawings]

FIG. 1 is a first embodiment of the present invention.

FIG. 2 is a second embodiment of the present invention.

FIG. 3 is a spring fastener according to the second embodiment of the present invention.

FIG. 4 is a method of attaching / detaching a spring fastener.

FIG. 5 is a third embodiment of the present invention.

FIG. 6 is a spring press fitting applied to a third embodiment of the present invention.

FIG. 7 is a fourth embodiment of the present invention.

FIG. 8 shows contactor pressure contact means (No. 1) applied to the fourth embodiment of the present invention.

FIG. 9 is a contactor applied to a fourth embodiment of the present invention.

FIG. 10 is a screw member applied to a fourth embodiment of the present invention.

FIG. 11 is an explanatory view of a pressure contact means according to a fourth embodiment of the present invention.

FIG. 12 shows contactor pressure contact means (No. 2) applied to the fourth embodiment of the present invention.

FIG. 13 is a fifth embodiment of the present invention.

FIG. 14 is a spring crimping tool applied to the fifth embodiment of the present invention.

FIG. 15 is a method for attaching and detaching the spring crimping tool.

FIG. 16 is a sixth embodiment of the present invention.

FIG. 17 is a lever-type pressure contact tool applied to a sixth embodiment of the present invention.

FIG. 18 is another embodiment to which the present invention can be applied.

FIG. 19 is a separated state of the wire connector.

FIG. 20 is a connection state of the electric wire connector.

[Explanation of symbols]

 1 1st electric wire connector 2 2nd electric wire connector 3 Contact 4 Power supply wire 5 Housing cover, cover 6 Screw 7 Housing body 8 Opening 9 Terminal mounting part 11 Contactor 12 Tip 13 Power supply wire 14 Conductive wire 15 Lug terminal 16 screw 17 hole 21 first electric wire connector 22 second electric wire connector 23 contact 24 screw hole 25 housing body 26 contact 27 screw insertion hole 28 hole 29 screw 31 screw part 32, 33 large diameter part 34 knob 35 Groove 41 First electric wire connector 42 Second electric wire connector 43 Contact 44 Through hole 45 Housing body 46 Contact 47 Through hole 48 Hole 49 Spring engaging tool 52 Leaf spring 53 Engaging metal fitting 54 Knob 55 Recess 56 Tapered surface 57 Groove 61 First electric wire connector 62 Second electric wire connector 63 Contactor 64 Through hole 65 Housing body 6 Contact 67 Through Hole 68 Hole 69 Spring Pressing Tool 71 Spring Piece 72 Small Protrusion 73 Projection Part 74 Arm Part 75 Knob 81 First Electric Wire Connector 82 Second Electric Wire Connector 83 Contact Element 85 Housing Body 86 Contact Element 87 Opening 88 Press-fitting means main body 89 Screw hole 91 Contact accommodating portion 92 Cylindrical 93 Screw 94 Groove 95 Guide groove 96 Inclined surface 97 Cylindrical 98 Large diameter part 99 Inclined surface 101 Side 102 Groove 103 Inclined surface 105 Screw member 106 Cylindrical metal fitting 107 Knob part 108 Screw 109 Tapered surface 111 Housing cover 115 Pressure contact means body 116 Contact housing 117 Groove 121 First electric wire connector 122 Second electric wire connector 123 Contactor 124 Through hole 125 Housing body 126 Contactor 127 Through hole 128 hole 129 Spring press fitting 31 Locking piece 132 Shaft member 134 Cylindrical member 135 Pin 136 Spring 137 Washer 138 Knob 139 Groove 141 First electric wire connector 142 Second electric wire connector 143 Contactor 145 Housing body 146 Contactor 147 Hole 148 Lever type pressure contact tool 149 Frame member 151 Lever member 152 Through hole 153 Bottom surface 154 Shaft portion 155 Eccentric cam 156 Lever 157 Flat surface 158 Knob 159 Gap 161 First electric wire connector 162 Second electric wire connector 163 Contactor 165 Housing body 166 Contactor

Claims (6)

[Claims] 1. A second electric wire connector having a contact protruding from a tip and a second electric wire connector that receives the contact of the first electric wire connector and is conductively connected by surface contact between an inner contact and a side surface. The electric wire connector and the screw inserted from the outside of the second electric wire connector to fasten the contact of the first electric wire connector and the contact of the second electric wire connector, A connection structure for an electric wire connector, wherein a contact of the electric wire connector is inserted into a second electric wire connector so that the contacts are brought into contact with each other and the screw is screwed into the contact to connect the contacts together. 2. A second electric wire connector having a contact protruding from a tip and a second electric wire connector which receives the contact of the first electric wire connector and is conductively connected by surface contact between an inner contact and a side surface. Inserted from the outside of the electric wire connector and the second electric wire connector, penetrates the contactor of the first electric wire connector and the contactor of the second electric wire connector, and both contactors are formed by the inclined surface on the outside. And a V-shaped spring engaging device for pressing the two together. The contact of the first electric wire connector is inserted into the second electric wire connecting device to bring the contacts into contact with each other and the spring engaging device to the contact. A connection structure of an electric wire connector, wherein the contacts are pressure-connected to each other by inserting the contacts. 3. A first electric wire connector having a contact protruding from a tip and a second electric wire connector that receives the contact of the first electric wire connector and is conductively connected by surface contact between an inner contact and a side surface. Of the electric wire connector and the second electric wire connector, which are inserted from the outside of the second electric wire connector, and are brought into pressure contact from both outsides of the contactor of the first electric wire connector and the contactor of the second electric wire connector. The contact of the first electric wire connector is inserted into the second electric wire connector to make contact between the contactors, and the spring press-fitting tools are fitted to both outer sides of the contactors to press-connect the contactors. The connection structure of the electric wire connector. 4. A first wire connector having a contact protruding from a tip and a second wire connector for receiving the contact of the first wire connector and conductively connecting by surface contact between an inner contact and a side surface. Of the first electric wire connector provided inside the electric wire connector and the second electric wire connector to be contacted by moving the screw member along the inclined surface by rotating the contact from the outside of the contact of the first electric wire connector. Pressure contact means capable of pressure contact between the terminals, inserting the contact of the first wire connector into the second wire connector to bring the contacts into contact with each other, and rotating the screw member of the pressure contact means. A connection structure for an electric wire connector, characterized in that the contacts are pressure-connected. 5. A first wire connector having a contact protruding from the tip and a second wire connector that receives the contact of the first wire connector and is conductively connected by surface contact between an inner contact and a side surface. Of the electric wire connector and the second electric wire connector which are inserted from the outside and penetrate the contactor of the first electric wire connector and the contactor of the second electric wire connector to rotate the locking piece at the tip. A spring crimping tool capable of crimping both contacts, wherein the contactor of the first electric wire connector is inserted into the second electric wire connector to bring the contacts into contact with each other and the spring crimping tool to the contactor. A connection structure for an electric wire connector, characterized in that the contact pieces are pressure-contacted by a pressure contact force of a spring by inserting and penetrating and rotating and engaging a locking piece at a tip end with an outer surface of the contact piece. 6. A second electric wire connector having a contact protruding from a tip and a second electric wire connector for receiving the contact of the first electric wire connector and conductively connecting the inner contact and the side surface by surface contact. Lever-type press-connecting tool capable of press-contacting between the contactor of the first electric wire connector and the contactor of the second electric wire connector by rotating outside the electric wire connector and the second electric wire connector. The contactor of the first electric wire connector is inserted into the contactor of the second electric wire connector to make contact between the contactors, and the lever of the lever-type press-connecting tool is rotated to make contact by leverage. A connection structure for an electric wire connector, which is characterized in that crimp connection is made between children.