JP3143737B2 - Wire connection insulation structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire connecting and insulating structure, and more particularly to an electric wire connecting and insulating structure having a structure in which an electric wire is connected to a conductor portion such as a connector or a relay terminal to insulate and house the electric wire.

[0002]

2. Description of the Related Art In a connector, a relay terminal or the like, one end of an electric wire is connected to a conductor portion such as a plurality of contacts or terminals provided thereon, and a short circuit accident or the like of the connection portion is prevented. There is a structural part for accommodating these so as to insulate them from each other and to insulate them from the outside. A connector will be described as an example of such a conventional wire connection insulating structure with reference to the drawings. FIG. 5 is a perspective view showing an example of a conventional wire connection insulating structure, and FIGS.
(D) is the top view, side view, and partial sectional enlarged view. The connector 100a of this example includes an electric wire connection portion 21 for connecting the electric wire 200 at one end, and a plurality of contacts 2 having the other end in contact with a contact of an inserted mating connector, and a first side surface. A plurality of connection portion storage holes 13 that are open, and a mating connector mating portion 12 that mates with a mating connector on a second side surface facing the first side surface, and a wire connection portion of a plurality of contacts. A connector housing 1a for connecting the conductor 201 portions of the electric wires 200 respectively corresponding to the connector housings 21 to respectively accommodate the electric wire connection portions 21 in the plurality of connection portion storage holes 13 and holding the plurality of contacts 2 at predetermined portions. Is provided.

In the connector 100a, the electric wire connection portions 21 of the plurality of contacts 2 to which the conductors 201 of the plurality of electric wires 200 are respectively connected are accommodated in the plurality of connection portion accommodation holes 13 of the connector housing 1a. By doing so, the wire connection portions 21 are insulated from each other, and these wire connection portions 21 are insulated from the outside. And the electric wire connection part 21 connects the conductor 201 of the electric wire 200 and the contact 2 to each other,
The outer dimensions are larger than the contact connection portions of the electric wires 200 and the contacts 2 with the mating connectors, and the connection portion storage holes 13 for storing the electric wire connection portions 21 can be arranged in a line when the number increases. No longer possible, Figure 6
As shown in (d) and the like, it has to be arranged in two rows and in a staggered pattern with respect to each other. Further, the connection portion storage hole 13 is formed in the connector housing 1a,
A predetermined thickness is required to maintain the strength after formation.

[0004] Connection part storage holes 1 arranged in two rows (two stages)
3, the thickness in the thickness direction of the connector housing 1a is S, and the thickness of the portion where the connection portion housing hole 13 is formed is t.
If it is set to 2, the thickness H2 of the connector housing 1a in the portion where the connection portion storage hole 13 is formed is S + 2t2, which is larger than the thickness H1 of the portion of the mating connector mating portion 12 of the connector housing 1a.

FIG. 7 shows an example in which four such connectors 100a are arranged in an overlapping manner. As shown in FIG. 7, when a space of dimension d is provided between the connectors 100a and the connectors 100a are overlapped with each other, the pitch P2 between the connectors 100a is H2.
+ D, the total thickness HH2 of the four connectors 100a is 4H
2 + 3d.

[0006]

In the connector 100a of the above-described conventional wire connection insulating structure, a plurality of connection portion storage holes 13 for insulatingly storing a plurality of wire connection portions 21 are arranged in two stages in a connector housing 1a. When the connection portion storage holes 13 are formed and in order to maintain the strength after formation, the connection portion storage holes 13 need to have a predetermined thickness. The thickness of the connector housing 1a at the portion where the connector is formed is thicker than the thickness of the mating portion of the mating connector, and accordingly, there is a problem that the size of an apparatus using this connector is increased. When used in an overlapping manner, the number of connectors to be overlapped is limited by the external dimensions of the device, which lowers the mounting density. That, there is a problem in that. Also,
There is also a problem that it is difficult to form the connection portion storage hole 13 and it is difficult to store the wire connection portion.

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, it is an object of the present invention to reduce the thickness of an electric wire connection housing portion of a housing while maintaining sufficient strength and to easily form the device. The present invention provides an electric wire connection insulating structure that can easily store electric wire connection portions, and can further increase the number of stages even when used in a plurality of stages and increase the mounting density. It is in.

[0008]

The present invention has the following means in order to achieve the above object. That is, the wire connection insulating structure of the present invention, a plurality of connection conductors provided at least at one end with a wire connection portion for connecting the wire,
A plurality of grooves are formed on a predetermined surface, the plurality of connection conductors are held at predetermined positions, and the wire connection portions of the plurality of connection conductors are respectively stored in correspondence with the plurality of grooves. And a plurality of wires are adhesively fixed to a predetermined surface of the housing so as to cover the plurality of grooves for accommodating the respective wire connection portions of the plurality of connection conductors in a state where the plurality of wires are respectively connected. And a film-shaped insulating cover.

Further, a predetermined surface of the housing to which the insulating cover is bonded and fixed is cut off by the thickness of the insulating cover, and the surface of the insulating cover when the insulating cover is bonded and fixed to the housing. The predetermined surface is the same as the surface other than the portion where the insulating cover is bonded and fixed. Further, the connection conductor is a connector contact, the plurality of wires connected to the wire connection portion of the connector contact are led out from one side of the connector housing, and from the other side opposite to the one side. Insert the mating connector and mate,
The contact of the mating connector is connected to the connector contact.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is directed to a predetermined surface of a housing made of an insulating material for holding and storing a plurality of connection conductors having an electric wire connection portion for connecting an electric wire to at least one end. A plurality of grooves are formed, and the plurality of connection conductors are accommodated in the respective grooves correspondingly to wire connection portions of the plurality of connection conductors, and the plurality of connection conductors are held at predetermined positions in the housing, A structure in which a film-like insulating cover is adhesively fixed to a predetermined surface of the housing so as to cover the plurality of grooves for accommodating the plurality of wire connection portions in a state where the wires are connected correspondingly. Has become.

With such a structure, the groove as the electric wire connection housing portion can be easily formed and the electric wire connection portion can be easily housed, and the upper portion of the groove is a film-like insulating cover having sufficient strength. Enough strength,
While maintaining insulation, it can be made sufficiently thinner than the thickness of the housing, and this wire connection storage portion can be made as thick as the other portions of the housing, for example, the mating connector mating portion, It is possible to reduce the size of the device and improve the mounting density. Furthermore, if the surface of the housing in which the groove is formed is cut off by the thickness of the insulating cover and the insulating cover is adhesively fixed, the thickness of the wire connection housing portion is the same as the other portions of the housing. be able to.

By suppressing the thickness of the electric wire connection housing portion to the same level as other portions of the housing, the overall thickness when a plurality of electric wires are used can be suppressed, and the size of the apparatus can be reduced. In addition, when the external dimensions of the device are specified, the number of devices to be repeatedly used can be increased, and the mounting density can be increased.

[0013]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of the present invention in which an insulating cover is not fixed and fixed, and a perspective view of a state in which the insulating cover is fixed and fixed. FIG. 2 is a plan view of this embodiment. It is the side view and partial sectional enlarged view. In this embodiment, the present invention is applied to a connector, and an electric wire connecting portion 21 for connecting the electric wire 200 is provided at one end.
A plurality of contacts 2 whose other ends are in contact with and connected to the contacts of the inserted mating connector, and a plurality of grooves 11 are formed on the front and back surfaces to hold each of the plurality of contacts 2 at a predetermined position and to contact these contacts. A connector housing 1 made of an insulating material for accommodating each of the two wire connection portions 21 corresponding to the plurality of grooves 11, and a plurality of wires 200
A plurality of grooves 1 for accommodating the respective wire connection portions 21 of the plurality of contacts 2 in a correspondingly connected state.
1 and a film-shaped insulating cover 3 bonded and fixed to the front and back surfaces of the connector housing 1 so as to cover the connector housing 1.

In this embodiment, after the surface of the connector housing 1 to which the insulating cover 3 is bonded and fixed is cut off by the thickness of the insulating cover 3, the insulating cover 3 is bonded and fixed. The surface of the insulating cover 3;
The front and back surfaces of the connector housing 1 are flush with each other. That is, in the connector housing 1, the thickness of the mating connector mating portion 12 and the thickness of the wire connection housing portion (the groove 11 and the insulating cover 3) are the same (H1). In this embodiment, since the portion for accommodating the electric wire connection portion 21 is the groove 11, the formation is easy and the electric wire connection portion 21 in a state where the electric wires are connected is easily stored.

Further, the thickness of the electric wire connection housing portion of the connector housing 1 is changed to another portion (the mating connector mating portion 12).
Etc.) (H1 = S + 2t1, t1 is the thickness of the insulating cover 3 and is sufficiently smaller than t2), and
The thickness can be made smaller than H2 = S + 2t2 of the conventional example, and the external dimensions of the device using the connector 100 can be reduced, and the miniaturization can be realized. In addition, the strength and insulation of the wire connection storage portion can be kept sufficiently high by the insulating cover 3.

FIG. 3 is a perspective view when four connectors 100 of this embodiment are mounted in an overlapping manner, and FIG. 4 is a side view showing the dimensions of each part at this time. FIG. 4 also shows a mating connector 300 that mates with the connector 100. Pitch P1 between connectors 100 in this case
Is H1 + d (= S + 2t1 + d), four connectors 1
00 is 4H1 + 3d (= 4S + 8t1)
+ 3d), and P2 = H2 + d = S + 2t2 of the conventional example
Compared with + d, HH2 = 4H2 + 3d = 4S + 8t2 + 3d, the thickness t2 of the connection portion storage hole 13 of the conventional example becomes the thickness t1 of the film thickness of the insulating cover 3 of the present invention (in the case where four are stacked, , 8 (dimension of t2−t1)) in the present invention. Therefore, the size of the device can be reduced, and when the external dimensions of the device are specified, the number of devices to be used repeatedly can be increased, and the mounting density can be increased.

In this embodiment, the surface of the connector housing 1 in which the groove 11 is formed is attached to the insulating cover 3.
And the insulating cover 3 is bonded and fixed to this portion. The thickness of the insulating cover 3 is not limited to the thickness of the mating connector mating portion 12 of the connector housing 1 but of the conventional example. Since the thickness of the connection portion storage hole 13 is sufficiently thinner, the thickness of the electric wire connection storage portion of the connector housing 1 can be reduced even if the above-mentioned portion is not cut off by the thickness of another portion (the mating connector mating portion 12 and the like). And almost the same.

In this embodiment, the case where the present invention is applied to a connector has been described.
Of a configuration in which the connection conductor having the wire connection portion is insulated and housed,
For example, the present invention can be applied to a relay terminal plate.

[0019]

As described above, according to the present invention, a plurality of grooves are formed on a predetermined surface of a housing made of an insulating material for holding a plurality of connection conductors each having an electric wire connection portion for connecting an electric wire to one end. Forming and accommodating the wire connection portions of the plurality of connection conductors in each of the plurality of grooves,
The plurality of connection conductors are held at predetermined positions in the housing, and the plurality of electric wires are respectively connected to the plurality of electric wire connection portions. By adhering and fixing a film-shaped insulating cover to the predetermined surface of
It is easy to form the groove of the wire connection storage part and the storage of the wire connection part is easy. Moreover, the wire connection storage part of the housing is maintained by the film-shaped insulating cover while maintaining sufficient strength and insulation. The thickness of the device can be made smaller than that of the conventional example, so that the size of the device can be reduced.Also, even when a plurality of stages are used, the number of stages can be increased, and the mounting density can be increased. There is an effect that it can be done.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention when there is no insulating cover and a perspective view when there is an insulating cover.

FIG. 2 is a plan view, a side view, and an enlarged partial cross-sectional view of the embodiment shown in FIG. 1;

FIG. 3 is a perspective view when four connectors of the embodiment shown in FIG. 1 are stacked and mounted;

FIG. 4 is a side view showing dimensions of each part of the four-ply connector shown in FIG. 3;

FIG. 5 is a perspective view showing an example of a conventional wire connection insulating structure.

FIG. 6 is a plan view of the electric wire connection insulating structure shown in FIG. 6;
It is the side view and partial sectional enlarged view.

FIG. 7 is a side view showing dimensions of each part when four electric wire connection insulating structures shown in FIG. 5 are mounted in an overlapping manner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 1a Connector housing 2 Contact 3 Insulation cover 11 Groove 12 Mating part mating part 13 Connection part accommodation hole 21 Electric wire connection part 100, 100a Connector 200 Electric wire 201 Conductor

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 12/22 H01R 13/514 H01R 24/00

Claims (3)

(57) [Claims] 1. A plurality of connection conductors having an electric wire connection portion at least at one end for connecting an electric wire, and a plurality of grooves formed on a predetermined surface to hold each of the plurality of connection conductors at a predetermined portion. And a housing made of an insulating material for accommodating the wire connection portions of the plurality of connection conductors corresponding to the plurality of grooves, respectively, and the plurality of connection conductor wires in a state where the plurality of wires are respectively connected. And a film-shaped insulating cover that is adhered and fixed to a predetermined surface of the housing so as to cover the plurality of grooves that respectively accommodate the connection portions. 2. A predetermined surface of the housing to which the insulating cover is bonded and fixed is cut off by the thickness of the insulating cover, and the surface of the insulating cover and the housing when the insulating cover is bonded and fixed. 2. The wire connection insulating structure according to claim 1, wherein a predetermined surface of the wire connecting surface other than a portion to which the insulating cover is adhered is fixed. 3. The connector conductor is used as a connector contact, and the plurality of electric wires connected to an electric wire connecting portion of the connector contact are led out from one side of the connector housing, and the other side is opposed to the one side. 2. The electric wire connection insulating structure according to claim 1, wherein the mating connector is inserted from the side and mated, and the contact of the mating connector is connected to the connector contact.