JP2924662B2 - Insulating plate and electric junction box provided with the insulating plate - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulating plate on which electric wires are wired and a press contact terminal is driven, and an electric connection box provided with the insulating plate.

FIG. 10 shows an example of a conventional electric junction box. In this electrical junction box, a circuit is formed by connecting an electric wire pressure contact portion 1a of the press contact terminal 1 with an electric wire 5 disposed inside a case 4 including an upper case 2 and a lower case 3, and an input / output terminal portion of the press contact terminal 1. 1b is projected from the terminal hole 2a to the connector portion 2b.

[0003]

When assembling the above-mentioned conventional electric junction box, the press contact terminal 1 is connected to the upper case 2.
After that, the wire 5 is pressed against the wire press-contact portion 1a. At this time, the other press-connecting terminals 1 are in the way.
It takes time and effort to wire the cables in the required form, and the efficiency of the wiring work is poor. In addition, in the case of forming a complicated circuit in this electric junction box, the wiring of the electric wire 5 is also complicated, so that the production cost is increased due to the necessity of performing wiring using an automatic machine. Furthermore, when this electrical junction box is used for a vehicle, an optional circuit is required depending on the grade of the vehicle, or a circuit that is not shared when sharing between different types of vehicles needs to be an optional circuit. However, in this case, in the structure in which the press contact terminals 1 are driven into the upper case 2 as described above, the wiring of the electric wires is further complicated.

SUMMARY OF THE INVENTION [0004] The present invention has been made to solve the above-described problems in the conventional electric junction box, and it is an object of the present invention to simplify the wiring of electric wires in an electric junction box having a circuit composed of electric wires and press-connecting terminals. It was made for the purpose of.

[0005]

Accordingly, in claim 1,
An insulating plate made of resin housed inside a case of an electric junction box, wherein one ends of a plurality of flat main bodies are integrally formed and connected to each other via a thin hinge, and are folded and laminated with the hinge as a fulcrum. The main body is provided with a wiring groove for inserting and holding the electric wire or a wiring projection for guiding the electric wire, and the main body is pressed into the main body part in a thickness direction of the wiring groove or the wiring projection. It is an object of the present invention to provide an insulating plate provided with a terminal driving portion.

According to a second aspect of the present invention, when the plurality of main bodies are stacked, the press-contact terminal driving section provided on one main body has a press-contact terminal driving section provided on another main body. It is arranged so as to communicate with the terminal driving portion, and one pressure terminal is inserted into the connected pressure terminal driving portion to press-connect a plurality of electric wires.

According to a third aspect of the present invention, when the main body is laminated, the other main body is provided with a press-contact terminal through hole so as to communicate with the press-contact terminal driving portion provided on one main body. .

[0008]

According to a fourth aspect of the present invention, the case and one end of the plurality of plate-shaped main bodies are integrally formed and connected to each other via a thin hinge, and the case and the hinge are folded to form a stacked state. An insulating plate housed inside the case and provided with a wiring groove or a wiring projection for guiding the electric wire in the main body thereof for inserting and holding the electric wire, and an insulating plate provided with a press-contact terminal driving portion in the wiring groove or the wiring projection, An electric wire to be laid in the wiring groove or the wiring protrusion, an electric wire pressure contact portion provided at one end side, an input / output terminal portion provided at the other end side, and the electric wire pressure contact portion is driven by driving into the press contact terminal driving portion; And a press contact terminal for connecting the input and output terminals to an external circuit by projecting an input / output terminal portion from a terminal hole provided in the case.

[0010]

According to the first aspect of the present invention, a plurality of main bodies are provided with wiring grooves for inserting and holding the electric wires or wiring projections for guiding the electric wires, and press-contact terminal driving portions are provided in these wiring grooves or the wiring projections. Because of the structure in which one end of the main body is connected to each other with a hinge and folded to be in a stacked state,
Even when a complicated circuit is configured, wiring of electric wires is simplified.

In the insulating plate according to the second aspect, the press-contact terminal driving portion is disposed so as to communicate with the main body portion when the main body portion is in a laminated state. By inserting a plurality of electric wires, a plurality of electric wires are press-connected to one press-connecting terminal, thereby simplifying wiring of the electric wires.

According to the third aspect of the present invention, in a state where the main bodies are stacked, a press-contact terminal through hole is provided in another main body so as to communicate with the press-contact terminal driving portion provided in one main body. Therefore, the press contact terminal into which the press contact terminal is inserted from the press contact terminal through hole side is driven into the insulating plate.

[0013]

According to a fourth aspect of the present invention, there is provided an electric connection box, wherein an insulating plate composed of a plurality of flat main bodies is housed in a case by being hinged to each other, and a wire is inserted and held in the main body. Wiring projections for guiding grooves or wires are provided, and press-fitting terminal driving parts are provided in these wiring grooves or wiring protrusions, simplifying wiring of wires even when configuring a complicated circuit. Is done.

[0015]

Next, the present invention will be described in detail with reference to the embodiments shown in the drawings. As shown in FIGS. 1 to 3, the electric connection box according to the first embodiment includes an upper case 11, a lower case 12, an insulating plate 14, an electric wire 15, and a press contact terminal 1.
6, 17 are provided.

The upper case 11 and the lower case 12
By engaging the locking projection 18 and the locking portion 19, a case is integrally formed, and a concave portion 21 for disposing an insulating plate is provided on one side. A cylindrical connector portion 22 is provided on the other side of the upper case 11 and the lower case 12, and a terminal hole (not shown) penetrating from inside to outside of the case is provided in the connector portion 22,
Input / output portions 17a, 17a of press-contact terminals 16, 17, which will be described later.
Project into the connector section 22.

The insulating plate 14 housed in the concave portion 21 is made of resin, and one ends of two flat plate-shaped main bodies 24 and 25 are connected to each other by a hinge 26, and the hinge 26 is used as a fulcrum. It is folded and stacked.

An electric wire 1 is provided on one surface of the main bodies 24 and 25.
A wiring groove 28 for inserting and holding 5 is provided. Further, a press contact terminal driving portion 29 is provided at a required position of the wiring groove 28, and the electric wire 15 held in the wiring groove 28 and the press contact terminal driving portion 2 are provided.
A required circuit is formed by the press-contact terminals 16 and 17 driven into the substrate 9.

The width W1 of the wiring groove 28 is set to be slightly smaller than the diameter D of the electric wire 15, and the electric wire 15 is pressed into the wiring groove 28 to be held. The depth H of the wiring groove 28 is equal to the diameter D of the electric wire 15.
It is set larger.

As shown in detail in FIG. 4, the press contact terminal driving portion 29 has a groove width larger than that of the wiring groove 28 and penetrates the main body portions 24 and 25 in the thickness direction. The width W2 of the press contact terminal driving portion 29 is set slightly smaller than the width W3 of the press contact terminals 16 and 17. Further, an extension portion 30 having an increased width is provided at an end located outside when the main body portions 24 and 25 of the press contact terminal driving portion 29 are overlapped.

As shown in FIG. 2, in a state where the main bodies 24 and 25 are stacked, the other main bodies 24 and 25 are positioned at positions corresponding to the press-contact terminal driving sections 29 provided on one of the main bodies 24 and 25.
Is also provided with a press contact terminal driving portion 29, and the main body portions 24, 2
In the state in which 5 are stacked, two press contact terminal driving portions 29 are arranged so as to penetrate, and one press contact terminal 16 is inserted into the penetrating press terminal driving portion 29 and arranged in two stages. The electric wire 15 is connected by pressure welding.

As shown in FIG. 3, the main bodies 24, 24
There is also a portion in which a press contact terminal through hole 31 is provided on the other main body portion 24 side so as to communicate with the press contact terminal driving portion 29 provided on one main body portion 25 in a state in which are laminated. In this portion, since the press contact terminal can be inserted from the press contact terminal through hole 31 and driven into the press contact terminal driving portion 29, the press contact terminal 17 is reliably driven even when the driving direction of the press contact terminal is limited. be able to.

Hinge 2 for connecting the main bodies 24 and 25
Numeral 6 is a thin portion, which is integrally formed with the main body portions 24 and 25. As described above, the main body portions 24 and 25 can be folded and stacked in the hinge 26 as a fulcrum.

In this embodiment, the wiring grooves 28 are provided on one surface of the main bodies 24 and 25 as described above, but the wiring grooves 28 are provided on both surfaces of the main bodies 24 and 25. It may be. In this embodiment, as described above, the insulating plate 14 includes two main bodies, but may have a configuration in which three or more main bodies are connected by hinges.

The press contact terminal 16 has a slit 1 at one end.
It has a wire press-contact portion 16b provided with 6a and an input / output terminal portion 16c on the other end side. Also, the input / output terminal unit 1
The base of 6c is provided with a pair of locking portions 16d, 16d. The length of the slit 16a is one or more wires 1
5 is set so that it can be pressed. The press contact terminal 17 used by being inserted into the press contact terminal through hole 31 has the same structure as the press contact terminal 16 except that the locking portions 16d, 16d are not provided.

In the present embodiment having the above-described structure, the main bodies 24 and 25 to which the electric wires 15 are respectively wired are stacked, and the electric wires 15 arranged in two stages can be connected by one press contact terminal. In addition, even when a complicated circuit is configured, wiring of electric wires can be simplified. For example,
Even if it is necessary to make one electric wire very long in the conventional electric connection box, if the structure of the present embodiment is used, the electric wires arranged in two stages as described above should be connected by one press contact terminal. Thereby, the electric wire can be divided.

Next, the operation of assembling the electric junction box of this embodiment will be described. First, with the hinge 26 not bent, the electric wire 15 is press-fitted into the wiring groove 28 of the main bodies 24, 24 using a robot. At this time, as described above, the wiring structure of the electric wire 15 is simple, and the press contact terminals 16 and
Since the wires 17 have not yet been driven into the insulating plate 14, the electric wires 15 can be securely and easily press-fitted with required wiring. Next, the press contact terminal 16 is press-fitted into the press contact terminal driving portion 29, and the wire 15 held in the wiring groove 28 on the press contact terminal driving portion side is connected to the wire press contact portion 16 b of the press contact terminal 16.
At this time, as shown in FIG. 3, a jig 35 is used to prevent the wire 15 from dropping off at the press-contact terminal driving portion 29.

Subsequently, as shown by an arrow A in FIG. 1, the insulating plate 14 is bent at the hinge 26 so that the main body 24,
25 is a laminated state. At this time, the electric wire 15 is connected to the distal end side of the electric wire press contact portion 16b of the press contact terminal 16, and two electric wires 15 arranged in two stages are connected to one press contact terminal 16. The press contact terminal 17 to be inserted into the press contact terminal through hole 31 shown in FIG. 3 is driven in a state where the main bodies 24 and 25 are stacked. Next, the concave portion 21 on the lower case 12 side
The upper case 11 and the lower case 12 are assembled. In this state, the insulation displacement terminals 16, 17
Input / output terminal portions 16a, 17a of the upper case 11,
It projects into the connector part 22 through the terminal hole of the lower case 12.

FIGS. 6 to 9 show an electric junction box according to a second embodiment of the present invention. In the second embodiment, components other than the insulating plate 30 are substantially the same as those in the first embodiment, and therefore, the same components are denoted by the same reference numerals and description thereof is omitted.

The insulating plate 30 is composed of two flat main bodies 3.
One end of each of the first and second parts 32 is connected by a hinge 33 formed of a thin part, and the hinges 33 can be folded to form a stacked state.

Wiring projections 35, 36, 37 for guiding electric wires are provided on one surface of the main bodies 31, 32. The wiring projections 35, 36, 37
A pair of wall portions 35a, 35b, 36 that sandwich
a, 36b, 37a and 37b. As shown in FIG. 8, the wiring projections 36 of these wiring projections 35, 36, 37 are provided with press-contact terminal driving portions 29 that penetrate the main body portions 31, 32 in the plate thickness direction. As shown in FIG. 7, the press contact terminal 16 is driven into the press contact terminal driving portion 29 to connect the electric wire 15. The wiring projection 37 is provided at a portion where the wiring direction of the electric wire 15 is changed, and has a curved shape so that the electric wire 15 can be bent without difficulty.

As in the second embodiment, the wiring projections 3
In the case of a structure in which electric wires are wired according to 5, 36, 37,
The thickness of the insulating plate 30 can be reduced, and the weight and cost of the insulating plate 30 can be reduced.

[0033]

According to the first aspect of the present invention, a plurality of body portions are provided with a wiring groove for inserting and holding an electric wire or a wiring projection for guiding the electric wire, and a press contact terminal driving portion is provided. Since one end is connected to each other by a hinge and folded to be stacked and accommodated in the case, the wiring of the electric wires can be simplified even when a complicated circuit is configured. In particular, even if an optional circuit is required depending on the grade of the vehicle, or if a circuit that is not shared between different types of vehicles is used as an optional circuit, the wiring of the wires is simple and the wiring work is Efficient. In addition, since the hinge is integrally formed as a thin portion with the main body, the main body can be easily stacked.

In the insulating plate according to the second aspect, since the press-contact terminal driving portion is disposed so as to communicate with the main body portion when the main body is in a laminated state, one press-contact terminal is connected to the connected press-contact terminal driving portion. By inserting the cable, a plurality of electric wires can be connected by pressure welding, and wiring of the electric wires can be simplified.
Further, in this case, since the press contact terminals can be driven from both sides of the insulating plate, the connector portion can be provided on the upper side and the lower side of the case.

According to the third aspect of the present invention, in the state where the main bodies are stacked, the other main body is provided with a press-contact terminal through hole so as to communicate with the press-contact terminal driving portion provided on one main body. Therefore, the press contact terminal can be inserted from the press contact terminal through hole side, and the press contact terminal can be reliably driven even when the driving direction of the press contact terminal is limited.

[0036]

In the electric connection box according to the fourth aspect, the case is connected to each other by hinges and accommodates an insulating plate composed of a plurality of flat main bodies in a stacked state, and a wiring for inserting and holding an electric wire in the main body. The provision of the wiring projections for guiding the grooves or the electric wires and the provision of the press-contact terminal driving portions allow the wiring of the electric wires to be simplified even when a complicated circuit is formed.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.

FIG. 2 is a partial sectional view showing an insulating plate, a press contact terminal, and an electric wire of the first embodiment.

FIG. 3 is a partial sectional view showing an insulating plate, a press contact terminal, and an electric wire of the first embodiment.

FIG. 4 is a partial cross-sectional partial perspective view showing the insulating plate of the first embodiment.

FIG. 5 is a partial cross-sectional view for explaining the operation of driving the press contact terminal into the insulating plate in the first embodiment.

FIG. 6 is an exploded perspective view showing a second embodiment of the present invention.

FIG. 7 is a plan view showing an insulating plate of a second embodiment.

FIG. 8 is a partially enlarged view showing an insulating plate of a second embodiment.

FIG. 9 is a partially enlarged view showing an insulating plate of a second embodiment.

FIG. 10 is a sectional view showing an example of a conventional electric junction box.

[Explanation of symbols]

 14, 30 Insulating plate 16, 17 Pressure contact terminal 24, 25, 31, 32 Main body 26, 33 Hinge 28 Wiring groove 29 Pressure contact terminal driving portion

Continuation of the front page (56) References JP-A-2-207466 (JP, A) JP-A-55-53079 (JP, A) JP-A-4-172908 (JP, A) JP-A-5-198326 (JP) , A) Actually open 1987-197176 (JP, U) Actually open 1986-8953 (JP, U) Actually open 1987-47067 (JP, U) Actually open 1987-173163 (JP, U) Actually open 4-21084 (JP, U) JP-A 4-64923 (JP, U) JP-A 3-111126 (JP, U) JP-A 3-120627 (JP, U) JP 3-59554 (JP, U B2) (58) Field surveyed (Int.Cl. ⁶ , DB name) H02G 3/16

Claims (4)

(57) [Claims] 1. A resin insulating plate housed inside a case of an electric junction box, wherein one ends of a plurality of flat main bodies are integrally formed and connected to each other via thin hinges, and the hinges are connected to each other. The main body is provided with a wiring groove for inserting and holding the electric wire or a wiring projection for guiding the electric wire, and the main body is provided with a thickness in the wiring groove or the wiring projection. An insulating plate having a press contact terminal driving portion penetrating in a direction. 2. The press-contact terminal driving section, wherein the press-contact terminal driving section provided on one main body section has a press-contact terminal driving section provided on another main body section when the plurality of main sections are stacked. 2. The insulating plate according to claim 1, wherein the insulating plate is arranged so as to be connected to the connecting portion, and one press-connecting terminal is inserted into the connected press-connecting terminal driving portion so as to press-connect a plurality of electric wires. 3. When the main body is in a laminated state, the main body is communicated with a press contact terminal driving portion provided on one main body.
The insulating plate according to claim 1, wherein a press contact terminal through hole is provided in another main body. (4)Case and One ends of the plurality of flat body parts are mutually connected via thin hinges.
Integrally molded and connected, folded using the hinge as a fulcrum
The book is stored in the case
Guide the wire groove or wire to insert and hold the wire in the body
A wiring projection is provided, and a press-contact end is
An insulating plate provided with a child driving portion, An electric wire laid in the wiring groove or the wiring protrusion, Equipped with wire pressure contact part at one end and input / output terminal at the other end
And press-fit into the press-contact terminal driving section to
To the wire and press the input / output terminals to the case.
Pressure welding that protrudes from the terminal hole provided on the
Terminal and An electrical junction box comprising: