JPH1027650A - Insertion plug device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an insertion plug device formed so as to easily release a plug from a receptacle when an electric chord is pulled. SOLUTION: Plugs 14, 15, electrically connected to an AC chord 32 in a device main unit 11, are protruded therefrom. A plug opening pin 23 is provided protrudably from inside the device main unit 11 to a plug protruding direction. The plug opening pin 23 is energized in the plug protruding direction by a compression coil spring 25. Against the spring 25, the plug opening pin 23 pressed into the device main unit 11 is locked to a lock spring 31. A lock condition of the plug opening pin 23 by the lock spring 31 is unlocked by an unlock pin 33 associated with a chord clip 55 operated by tensile action of the AC chord 32. In an outer side surface of the device main unit 11, a manual release slider 41 is provided movably in a plug extracting direction, and the unlock pin 33 is integrally provided in this manual release slider 41.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plug device to be inserted and connected to an outlet.

[0002]

2. Description of the Related Art In a conventional plug device, a plug directly connected to a conductor of an electric cord is fixed so as to be sandwiched in a two-part device main body formed of an insulating material.
Alternatively, it is fixed so as to be sealed in a device main body formed of the same material as the resin coating of the electric cord.

The plug is inserted between the contacts of the outlet, and the plug pushed in against the pinching resistance of the contact is securely held between the contacts so as not to be easily removed.

[0004]

In this conventional plug-in device, when a strong tensile force acts on the electric cord while the electric cord plug is inserted into the outlet,
Since the plug is not easily detached from the outlet, there is a possibility that the conductor of the electric cord may be torn off at the connection portion with the plug or may be detached from the plug.

Therefore, without pulling the electric cord,
Although the device body is gripped and the plug is pulled out from between the contacts of the outlet, it is troublesome for those who are working with the electrical cord to be pulled out for a long time to return to the outlet position and pull out the plug. In the case where plugs are frequently attached and detached, workability is also affected.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a plug-in device in which a plug can be easily removed from an outlet when an electric cord is pulled. It is intended to solve it.

[0007]

According to a first aspect of the present invention, there is provided an insertion plug device in which a plug electrically connected to an electric cord in an apparatus main body is projected from the apparatus main body. A pressing body provided to be able to protrude in the plug protruding direction from the inside, a spring body for urging the pressing body in the plug protruding direction, and a pressing body pressed into the apparatus main body against the spring body. An insertion plug device including a locking body for stopping, and a release body for releasing a locking state of the pressing body by the locking body in conjunction with a pulling operation of the electric cord.

The pressing body pushed into the apparatus main body against the spring body is locked by the locking body, and when the electric cord is pulled, the pressing body is locked by the release body which operates in conjunction with the pulling operation. The locking state of the pressing body by the body is released, and the plug is pulled out from the outlet by the projecting action of the pressing body using the repulsive force of the spring body.

According to a second aspect of the present invention, in the insertion plug device according to the first aspect, the release body is manually operated by an operation body provided movably in a plug pulling-out direction on an outer surface of the apparatus main body. Is what is done.

Also, by manually operating the release body with the operating body, it is possible to release the locking state of the pressing body by the locking body and remove the plug from the outlet, as in the case where the electric cord is pulled. it can.

According to a third aspect of the present invention, in the insertion plug device according to the first or second aspect, the pulling operation of the electric cord is transmitted to the release member as the locking member releasing operation in the plug pulling-out direction of the device main body. The transmission is movably fitted.

Then, when a tensile force acts on the electric cord, the transmission body moves, and the pulling operation of the electric cord is reliably transmitted to the releasing body as a locking body releasing operation.

According to a fourth aspect of the present invention, there is provided the insertion plug device according to any one of the first to third aspects, wherein the guide body provided in the same direction as the electric cord in the device main body; A transmission body movably provided along the guide body for transmitting the tensioning operation of the electric cord to the release body, a biasing means for elastically biasing the transmission body in a direction opposite to the tensioning direction of the electric cord; A movable contact provided on the opposite side of the transmission body with respect to the urging means and electrically connected to the electric cord, and a fixed contact provided on the apparatus main body at a position where the movable contact comes into contact and electrically connected to the plug. is there.

[0014] When a tensile force acts on the electric cord, the movable contact first separates from the fixed contact against the urging means, and after the electrical connection is immediately cut off, moves smoothly along the guide. The transmitting body reliably operates the release body to release the locked state of the pressing body by the locking body, and the pressing body using the repulsive force of the spring body allows the plug to be released from between the contacts of the outlet in a non-energized state. remove.

According to a fifth aspect of the present invention, in the insertion plug device according to the first aspect, the locking member has a springy flexible portion having a base end fitted to the device main body, and movement of the release member. The oblique side portion that engages with the release body at an angle inclined with respect to the direction is integrally formed at an acute angle through a pointed end that engages with the pressing body.

The locking body has a restoring function by a flexible portion having a spring property, and has a function of changing the direction of a force acting from the release body by an oblique side engaging with the release body. The pointed end that engages with the pressing body has a pressing body locking function.

According to a sixth aspect of the present invention, in the plug device of the third aspect, the locking member is provided in a direction intersecting the plug withdrawing direction by the pressing member, and the locking member is slidably fitted. A first fitting hole, a second fitting hole provided in the device body in a direction intersecting with the plug withdrawing direction, and a release body slidably fitted therein, and a first fitting hole; An elastic member for projecting the locking member from the first fitting hole to the second fitting hole in a state where the pressing body is pushed into the apparatus main body until the second fitting hole is aligned with the pressing body; Provided on the inner surface of the transmission body fitted movably in the plug removal direction on the outside of the main body, the movement of the transmission body in the plug removal direction is changed to the movement of the release body to push the locking body back into the pressing body by the release body. And a conversion cam.

When the electric cord is pulled, the cam of the transmission body pushes the locking body back into the pressing body via the releasing body, and the pressing body is released from the movement locking, and the repulsive force of the spring body causes the main body of the apparatus to move. The plug from the outlet.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIG.
This will be described with reference to FIG.

In FIG. 1, the apparatus main body 11 is divided into two parts by a dividing plane (not shown) parallel to the paper surface. In unifying the apparatus main body 11 with a coupling screw (not shown), various components shown below are incorporated.

The connection sides of the two plugs 14 and 15 are fitted and fixed in two plug fitting grooves 12 and 13 provided on the opposing surface of the device body 11 divided into two parts.
The leading ends of 4 and 15 are made to protrude from the apparatus main body 11. An electric wire connection screw 16 is screwed to the connection side of these plugs 14 and 15.

The plugs 14 and 15 of each of the two divided device bodies 11
A pin fitting groove 21 is provided therebetween, and a cavity 22 is provided inside the pin fitting groove 21. A plug release pin 23 as a pressing body is slidably fitted in the pin fitting groove 21 and provided so as to protrude from the cavity 22 between the two plugs 14 and 15.

A compression coil spring 25 as a spring body fitted to the small-diameter portion 24 on the inner end side integrally formed with the plug release pin 23 includes a flange portion 26 integrally formed at a position adjacent to the small-diameter portion 24. , Is mounted to extend and contract between the opposing portion 27 of the apparatus main body 11. This compression coil spring 25
Urges the plug release pin 23 in the plug projection direction.

The flange portion of the plug release pin 23 pushed into the apparatus main body 11 against the compression coil spring 25
A locking spring 31 as a locking body is provided for the locking member 26 so as to be detachable.

The state of locking of the plug release pin 23 by the locking spring 31 is released as a release body that is released in conjunction with the pulling operation of an AC power cord (hereinafter, referred to as an AC cord 32) as an electric cord. The pin 33 is slidably fitted into a pin fitting groove 34 formed in the device body 11 divided into two parts. An unlocking portion 33a is bent at the tip of the unlocking pin 33.

The locking spring 31 has a base end of a flexible portion 37 having a spring property fitted in a concave groove 36 formed in the opposing convex portion 35 of the device main body 11 divided into two parts. A tip 38 is formed at the tip of the portion 37 to engage with the flange 26 of the plug release pin 23, and through this tip 38, an unlocking pin is formed.
This is a substantially L-shaped leaf spring in which a hypotenuse portion 39 engaging with 33 is integrally formed at an acute angle.

The attachment of the locking spring 31 is performed when the two divided main bodies 11 are integrated as described above, between the concave grooves 36 provided opposite the convex portions 35 of the two main bodies 11. To
The proximal end of the flexible portion 37 is fitted and fixed so as to be sandwiched. In some cases, the proximal end of the locking spring 31 is fixed by a pin (not shown) provided on the apparatus main body 11. You may.

The oblique side portion 39 of the locking spring 31 is formed such that its tip is formed in an inner winding, and the curved forming portion 39a is engaged so as not to come off from the unlocking portion 33a of the unlocking pin 33.

The lock release pin 33 is formed integrally with an L-shaped manual release slider 41 as an operation body provided movably in a plug pulling-out direction in a concave portion 40 formed on the upper side surface of the apparatus main body 11. Have been.

On the surface of the manual release slider 41, a number of non-slip projections 42 are formed, and on the back surface, a recess 43 is provided. Inside the recess 43, a stopper integrally formed with the apparatus main body 11 is provided. A contact portion 45 locked by 44 is provided.

An opening 51 is provided below the apparatus main body 11, and a pin receiving portion on the left side of the apparatus main body 11 is provided through the opening 51.
A guide pin 54 serving as a guide is integrally fitted in the same direction as the AC cord 32 from the pin receiving portion 53 on the right side to the pin receiving part 53. Cord clip 55 as a transmitting power
Are slidably fitted in the pin through holes 56.

The cord clip 55 integrally fixes and holds the inner end of the AC cord 32 slidably inserted into the cord insertion groove 57 of the apparatus main body 11, and integrally with the lock release pin 33. This is a slider in which a convex portion 59 that engages with an engaging portion 58 provided is formed to protrude inward.

The left side of the cord clip 55 and the apparatus body
Insert the cord clip 55 between the pin receiving part 52 on the left of
A compression coil spring 61 is provided as urging means for elastically urging the C code 32 in the right direction opposite to the pulling direction.

On the other hand, on the right side of the cord clip 55,
A plurality of movable contacts 62 conducted to a plurality of conductors of the C code 32
A plurality of fixed contacts 63 are respectively attached to the inner surface of the right pin receiving portion 53 facing the movable contacts 62 at opposing positions, and these fixed contacts 63 are connected via internal wires 64 and 65. Are electrically connected to the plugs 14 and 15, respectively.

Then, each movable contact 62 is brought into contact with the corresponding fixed contact 63 by the compression coil spring 61, and A
Each conductor of the C code 32 is electrically connected to a corresponding plug 14, 15. In the drawing, the movable contact 62
And the fixed contacts 63 are shown one by one, but these are provided two by two at separated positions.

Next, the operation of this embodiment will be described with reference to FIGS.

A plug release pin which is pressed rightward by the compression coil spring 25 and protrudes from the apparatus main body 11
When the plugs 14 and 15 are inserted between the contacts (not shown) of the outlet 71, the plugs 23 come into contact with the surface of the outlet 71 and then resist the compression coil spring 25 by a reaction force from the outlet 71. Is pushed into the apparatus main body 11.

Then, with a sufficient restoring force stored in the compression coil spring 25, the locking spring 31 locks the flange 26 of the plug release pin 23 as shown in FIG.

At this time, the code clip 55 is moved and pressed to the right by another compression coil spring 61, and the movable contact 62 and the fixed contact 63 are brought into contact with each other, so that electricity can be supplied between the two contacts 62, 63. .

In such a state, the cord clip
When the AC cord 32 integrated with 55 is pulled,
The cord clip 55 integrated with the AC cord 32 moves leftward against the compression coil spring 61, and the unlocking pin 33 engaged with the projection 59 of the cord clip 55 also moves leftward. I do.

By the leftward movement of the lock release pin 33, the lock release portion 33a exerts a pressing force on the oblique portion 39 while sliding on the inner surface of the oblique portion 39 of the locking spring 31. Then, the locking spring 31 is moved downward by the bending of the flexible portion 37 with the base end of the flexible portion 37 fitted in the concave groove 36 of the convex portion 35 as a fulcrum, and the plug is opened. The pin 23 comes off the flange 26.

Therefore, as shown in FIG. 2, the plug release pin 23 presses against the surface of the outlet 71 while projecting rightward by the restoring force of the compression coil spring 25. It can be withdrawn from between the contacts of the outlet 71, or can be assisted to disengage with a slight force.

As described above, when a tensile force acts on the AC cord 32, first, the movable contact 62 separates from the fixed contact 63, and immediately after the electrical connection is cut off, the movable contact 62 moves smoothly along the guide pin 54. The cord clip 55 securely operates the lock release pin 33, and the plug release pin is set by the lock spring 31.
By releasing the locked state of the plug 23, the plugs 14 and 15 can be removed from between the contacts of the outlet 71 in a non-energized state by the plug release pin 23 utilizing the repulsive force of the compression coil spring 25. Can be prevented from being damaged by electric shock when detached from the contact.

In addition to the tension of the AC cord 32,
While moving the manual release slider 41 to the left,
4, 15 can also be withdrawn.

That is, as shown in FIG. 2, when the manual release slider 41 is moved to the left, the integral lock release pin 33 is also moved to the left, and the locking release pin 33 is locked. The release portion 33a releases the locking spring 31 downward from the flange portion 26 of the plug release pin 23, and the restoring force of the compression coil spring 25 causes the tip of the plug release pin 23 to press against the surface of the outlet 71, thereby causing a reaction. Accordingly, the plugs 14 and 15 can be easily pulled out from between the contacts of the outlet 71.

In this case, the locking spring is normally used until the contact portion 45 of the manual release slider 41 comes into contact with the stopper 44.
If the locking spring 31 does not come off due to the contact pressure with the flange portion 26 of the plug release pin 23, but only the device body 11 is pressed against the outlet 71, for example, The plug release pin 23 is slightly pushed into the device body 11 to
The contact pressure acting between the pointed end 38 of the 31 and the flange 26 is released, and the locking spring 31 is disengaged from the plug release pin 23.

Next, another embodiment of the present invention will be described with reference to FIGS.

As shown in FIGS. 3 and 4, a movable cover 112 as an operating body and a cam forming portion 113 as a transmission unit integrally formed with the movable cover 112 are pulled out of the main body 111 of the apparatus. It is fitted so as to be movable in the direction.

The apparatus main body 111 and the movable cover 112 are fitted together with a plurality of divided members, and are integrated by screws 118 and nuts 119 and the like.

The AC cord 32 as an electric cord is fitted to a cord protecting member 115 fitted to the cord outlet 114 of the movable cover 112, separated inside the movable cover 112, and separated from each other. A stopper 116 is integrally fitted to each of 32a and 32b, and the stopper 116 is locked by a code locking surface 117 provided inside the movable cover 112. Therefore, when a tensile force acts on the AC cord 32, the tensile force is transmitted to the movable cover 112 and the cam forming portion 113 via the stopper 116.

Further, the separated codes 32a, 32b
Is a groove for accommodating a slack portion formed in the main body 111 of the apparatus.
After passing through 121, a pair of plugs fitted into the device body 111
It is electrically connected to the inner end of the connector 122 by a screw 123. The distal end side of each plug 122 protrudes from the distal end surface of the apparatus main body 111 and is inserted into the outlet 71.

In the cord-slack portion storage groove 121, the separated cords 32a and 32b are wired in a relaxed state in which the cords 32a and 32b are detoured toward or away from the paper surface.
Even if the space between the stopper 116 and the screw 123 is expanded or contracted, there is no possibility that the cords 32a and 32b are disconnected.

A movable cover is provided at the inner end of the apparatus main body 111.
A spring accommodating portion 125 is formed integrally with and engaged with a concave portion 124 formed in the interior of the main body 112. A pin engaging groove 126 is formed in the center of the apparatus main body 111 from the spring accommodating portion 125 to the opposite end face. A plug release pin 127 as a pressing body is slidably fitted in the pin fitting groove 126.

A spring fitting recess 128 is formed at the inner end of the plug releasing pin 127. A plug releasing pin 127 is provided between the spring fitting recess 128 and the spring storage portion 125 in the plug projecting direction. A compression coil spring 129 as a biasing spring body is fitted.

The plug releasing pin 127 is provided with a long groove 131 for regulating the moving range and rotation of the plug releasing pin 127 in the axial direction, and a convex portion 132 integrally provided on the apparatus main body 111 side has a long groove 131. The length of the plug release pin 127 protruding from the apparatus main body 111 is determined, and the plug release pin 127 is regulated so as to move only in the axial direction without rotating.

The center of the plug release pin 127 has a first fitting hole 133 in the diameter direction (the direction intersecting the plug withdrawing direction).
A pair of locking pistons 134 as locking members are slidably fitted in the fitting holes 133, and recesses 135 formed in the mutually opposed inner ends of the locking pistons 134 are formed.
A compression coil spring 136 as an elastic member is fitted therebetween. For this reason, the locking piston 134 always tries to protrude from the outer peripheral surface of the plug release pin 127.

The apparatus main body 111 is provided with a second fitting hole 137 in the diameter direction (direction intersecting with the plug pulling-out direction), and an unlocking pin 138 as a releasing body is slidable in this fitting hole 137. Is fitted.

When the plug releasing pin 127 is pushed down to the axial position where the first fitting hole 133 and the second fitting hole 137 match, the urging force of the compression coil spring 136 causes the pair of locking pistons to move. 134 presses the opposing unlocking pin 138 outward, and protrudes into the second fitting hole 137.
As shown in FIG.
Mating over 7 At this time, the locking piston 134 and the locking release pin 138 engage with each other on the spherical surfaces facing each other.

In the state shown in FIG. 3, the outer peripheral surface of the locking piston 134 has the first fitting hole 133 and the second fitting hole 137.
And the axial movement of the plug release pin 127 is locked, so that the plug release pin 127 is pushed into the apparatus main body 111 against the compression coil spring 129. And is not moved in the plug protruding direction.

When the plug release pin 127 is pushed in, the spherical end portion 139 formed on the outer end side of the lock release pin 138 projects outward from the side surface of the apparatus main body 111 and the cam forming portion 113 It is in contact with the inner surface.

On the inner surface of the cam forming portion 113, a concave groove for allowing the lock release pin 138 to protrude from the apparatus main body 111
141 and the movement of the cam forming portion 113 in the plug withdrawing direction is converted into the inward movement of the unlocking pin 138, and the locking piston 13 is moved.
And a cam 142 for pushing back the plug 4 into the plug release pin 127.

An engaging projection 143 projecting inward is provided at the tip of the cam forming portion 113, and an engaging projection 144 is provided on the outer surface of the apparatus main body 111. Convex part 14
Space for actuating cam 142 between 3 and 144
5 is secured.

Until the engaging projections 143, 144 are engaged with each other, the cam 142 contacts the unlocking pin 138 in the fixed position.
Is moved, and after these engaging projections 143, 144 engage with each other, the movement of the movable cover 112 and the cam forming portion 113 in the plug withdrawing direction is transmitted to the apparatus main body 111 as it is.

Next, the operation of the embodiment shown in FIGS. 3 and 4 will be described.

As shown in FIG. 3, when the plug 122 is inserted into the outlet 71, the plug release pin 127 is pushed into the apparatus main body 111 against the compression coil spring 129, and the first fitting hole 133 is inserted. When the lock piston 134 moves to the axial position where it coincides with the second fitting hole 137, the locking piston 134 is moved from the fitting hole 133 by the inner compression coil spring 136 to the fitting hole.
137 to the mating position
The engagement position is maintained by an unlocking pin 138 locked by the concave groove 141 of the 113. Therefore, the pushing state of the plug release pin 127 shown in FIG. 3 is maintained by the locking piston 134.

When the AC cord 32 is pulled or the movable cover 112 is manually operated in the plug withdrawing direction, the cam forming portion 113 moves to the left, and the cam 142 on the inner surface of the cam forms the unlocking pin 138. In order to move inward, the locking piston 134 is moved by the locking release pin 138 so that
7 is pushed back into the first fitting hole 133 in the
The engagement between 4 and the second fitting hole 137 is released.

For this reason, as shown in FIG. 4, the plug release pin 127 protrudes from the apparatus main body 111 by the repulsive force of the compression coil spring 129 and presses the opposing surface of the outlet 71 to relatively connect the plug 122 to the outlet. Can be withdrawn from 71.

By transmitting the pulling operation of the AC cord 32 to the lock release pin 138 in this manner, the locking piston
The locking state of the plug releasing pin 127 by the plug 134 is released, and the plug 122 can be pulled out of the outlet 71 by a slight force by the projecting action of the plug releasing pin 127 utilizing the repulsive force of the compression coil spring 129.

[0069]

According to the first aspect of the present invention, the pressing body pressed into the apparatus main body against the spring body is locked by the locking body, and the pressing body is engaged by the locking body. Since the stop state is released by a release body that works in conjunction with the pulling operation of the electric cord, the plug is released using the repulsive force of the spring body by the pressing body that has been released by simply pulling the electric cord lightly. It can be easily removed from the outlet.

Therefore, it is possible to prevent the electric wire of the electric cord from being torn or detached from the plug, and the plug can be easily detached from the outlet by positively utilizing the operation of pulling the electric cord, which has been conventionally prohibited. Therefore, there is no need to return to the outlet position and pull out the plug, which is useful for improving workability.

According to the second aspect of the present invention, since the release member is manually operated on the outer surface of the apparatus main body by the operation member movable in the plug withdrawing direction, even when the release member is operated by the operation member, As in the case where the electric cord is pulled, the locked state of the pressing body by the locking body is released, and the plug can be easily removed from the outlet.

According to the third aspect of the present invention, the pulling operation of the electric cord is smoothly transmitted to the releasing body as the locking body releasing operation by the transmission body, and the locking body can be reliably released by the releasing body.

According to the fourth aspect of the present invention, when a tensile force acts on the electric cord, the movable contact first separates from the fixed contact against the urging means, and the electric connection is immediately cut off. Since the plug is released from the outlet by the pressing body using the repulsive force of the spring body when the locked state of the body is released, the sliding when the plug is pulled out from the contact on the outlet side can be performed in the non-energized state. It is possible to prevent electric shock damage when the plug is detached from the contact in the energized state.

According to the fifth aspect of the present invention, the locking body in which the flexible portion and the oblique side are integrally formed at a sharp angle via the pointed end is a component whose structure is simple and easy to manufacture. It has a restoring function by a flexible portion having a spring property, has a function of changing the direction of a force applied from the release body by an oblique side engaging with the release body, and has a pressing body by a sharp end engaging with the pressing body. It is an excellent multifunctional component having a locking function.

According to the sixth aspect of the present invention, when the pressing body is pressed, the pressing body in the pressed state is fitted by the engagement of the locking body from the first fitting hole of the pressing body to the two fitting holes of the apparatus body. When the wire cord is pulled, the locking body is pushed back into the pressing body via the release body by the cam of the transmission body to release the pushing lock of the pressing body, so that the pressing body is locked and released. Can be formed compactly.

Further, since the cam is provided on the inner surface of the power transmission member fitted movably in the plug pulling direction outside the apparatus main body, the outer surface of the power transmission member is gripped to perform a series of plug pulling operations. It can be performed smoothly and operability can be improved, and the transmission body also serves to protect a mechanism such as a release body provided in the apparatus main body.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of a plug device according to the present invention.

FIG. 2 is a cross-sectional view showing an operation state when the above-mentioned device is pulled out from an outlet.

FIG. 3 is a sectional view showing another embodiment of the insertion plug device according to the present invention.

FIG. 4 is a cross-sectional view showing an operation state when the above-mentioned device is pulled out from an outlet.

[Explanation of symbols]

 11 Device body 14, 15 Plug 23 Plug release pin as a pressing body 25 Compression coil spring as a spring body 31 Locking spring as a locking body 32 AC cord as an electric code 33 Lock release pin as a release body 37 Possible Flexible part 38 Pointed end part 39 Bevel side 41 Manual release slider 54 as operating body 54 Guide pin as guiding body 55 Cord clip as transmitting body 61 Compression coil spring as urging means 62 Movable contact 63 Fixed contact 111 Main body 112 Operation Movable cover 113 as a body 113 Cam forming part as a transmission body 122 Plug 127 Plug opening pin as a pressing body 129 Compression coil spring as a spring body 133 First fitting hole 134 Locking piston as a locking body 136 Elastic member Compression coil spring 137 Second fitting hole 138 Lock release pin as release body 142 Cam

Claims (6)

[Claims] 1. An insertion plug device in which a plug electrically connected to an electric cord in an apparatus main body is protruded from the apparatus main body, wherein a pressing body is provided so as to be protrudable in a plug protruding direction from inside the apparatus main body. A spring body for urging the pressing body in the plug protruding direction, a locking body for locking the pressing body pressed into the apparatus body against the spring body, and a pressing body using the locking body. And a release member for releasing the locked state of the electric cord in conjunction with the pulling operation of the electric cord. 2. The insertion plug device according to claim 1, wherein the release member is manually operated by an operation member provided on the outer surface of the device main body so as to be movable in a plug withdrawing direction. 3. A power transmitting member for transmitting a pulling operation of an electric cord to a releasing member as a locking member releasing operation is movably fitted in a plug pulling direction of the apparatus main body.
Or the plug-in device according to 2. 4. A guide provided inside the main body of the apparatus in the same direction as the electric cord, a transmission member movably provided along the guide and transmitting a pulling operation of the electric cord to a release body, Urging means for elastically urging the transmission body in a direction opposite to the pulling direction of the electric cord, a movable contact provided on the opposite side of the transmission body to the urging means and being electrically connected to the electric cord; The plug device according to any one of claims 1 to 3, further comprising a fixed contact provided on the device main body at a position where the contact comes into contact with the contact and electrically connected to the plug. 5. The locking body includes a flexible portion having a base end fitted to the apparatus main body and having a spring property, and a hypotenuse portion which engages with the release body at an angle inclined with respect to the movement direction of the release body. 2. The plug device according to claim 1, wherein the insertion plug device is formed integrally at an acute angle through a pointed end portion engaging with the pressing body. 6. A first fitting hole provided in the pressing body in a direction intersecting with the plug withdrawing direction, in which the locking body is slidably fitted, and a direction intersecting with the plug withdrawing direction in the apparatus body. And a pressing body is pushed into the apparatus main body until the first fitting hole and the second fitting hole match with each other. An elastic member for projecting the locking member from the first fitting hole to the second fitting hole in the inserted state; and a transmission member fitted movably in the plug pull-out direction outside the device body. 4. A plug according to claim 3, further comprising a cam provided on the inner surface for converting the movement of the transmission body in the direction of pulling out the plug into the movement of the release body to push the locking body back into the pressing body. Plug device.