JPH1140281A - Joint connector fixing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform easy fixation of a joint connector which is coupled with a branch termination of a wire harness. SOLUTION: A joint connector 12 is for circuit connections and is connected with the termination of a bunch of electric wires of a branch line 11, diverged branched from the trunk line 10 of a wire harness for automobile, and the case of this joint connector 12 is coupled with the case of another joint connector 14 for grounding connected with the termination of a bunch of electric wires of another branch line 13 diverged from the same trunk line, and the latter named joint connector for grounding is fixed to the car body through a ground terminal 15. This allows the joint connector 12 for circuit connections to be fixed to the car body at the same time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing structure of a joint connector used for a wire harness arranged in an automobile, and more particularly, to a circuit connecting joint connector connected to a terminal of a group of branch wires branched from a trunk line of the wire harness. To facilitate the fixing operation.

[0002]

2. Description of the Related Art When a connection circuit is formed by using a joint connector in an electric circuit for a vehicle, a group of wires to be connected to the circuit is branched from a trunk line of a wire harness, and terminals connected to the terminals of the group of wires are connected to the joint connector. And connected to the joint busbar housed in the joint connector, and the electric wires are connected to each other via the joint busbar to form a joint circuit.

[0003] As a method of fixing a joint connector connected to a branch line terminal of the above-mentioned wire harness, there are two conventional methods.
Different methods are employed. In the first method, as shown in FIG. 7, a branch line 2 is folded over a trunk line 1 of a wire harness, and a joint connector 3 connected to an end of the branch line 2 is tape-fixed to the trunk line 1 with a tape 4. In the second method, as shown in FIG. 8, a separate mold component such as a junction block 5 or a connector holder is fitted and fixed.
The first method and the second method are selected and adopted according to the vehicle space.

[0004]

In each of the first and second methods, the mounting position of the joint connector is limited on the space of the vehicle, and the wiring route to the mounting position of the joint connector. Is long, and waste is often caused. For example, when attaching to a junction box, it is necessary to bring a joint connector to a position where the junction box is arranged, and thus, the length of wires tends to be long.

[0005] Further, when the tape is fixed to the main wire of the wire harness, if the length of the branch line is short, the operation of winding the tape of the joint connector around the main line becomes difficult, resulting in poor workability. On the other hand, when the distance from the branch point of the branch line to the position where the branch line is attached to the wire harness main line is long, there is a problem that the branch line becomes long as described above.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and is not limited to the method of fixing a tape to a main line by the first method and the method of fixing to a junction box or the like by a second method. An object of the present invention is to make it possible to easily fix a connected joint connector without lengthening the electric wire.

[0007]

In order to solve the above-mentioned problems, the present invention is directed to a case of a circuit connecting joint connector connected to a terminal of a group of branch wires branched from a trunk of an automobile wire harness according to the present invention. And the case of the ground joint connector connected to the terminal of the wire group of the branch line branched from the trunk line, and fixing the ground joint connector to the vehicle body via the ground terminal, the circuit connection joint connector becomes At the same time, the present invention provides a joint connector fixing structure which is configured to be fixed to a vehicle body.

As described above, when the joint connector for circuit connection is connected to the case of the joint connector for grounding, the joint connector for grounding is fixed to the vehicle body via the ground terminal, so that the joint connector for circuit connection is also fixed to the vehicle body. Will be done. That is, with regard to the fixing of the circuit connection joint connector, only the work of connecting to the ground joint connector is sufficient. In addition, if the ground joint connector is disposed at a position suitable for the circuit connection joint connector, it is not necessary to increase the length of the branch wire for connection to the circuit connection joint connector.

Further, according to the present invention, there is provided a case of a circuit connecting joint connector connected to an end of a group of wires of a branch line branched from a trunk of an automobile wire harness, and a group of wires of a branch line branched from the trunk. The case of the grounding joint connector connected to the terminal of the terminal is integrally formed and the grounding terminal of the grounding joint connector is fixed to the body of the vehicle, whereby the integrally formed circuit connecting joint connector is simultaneously formed in the body of the vehicle. The present invention provides a fixing structure for a joint connector which is fixed to the joint connector.

If the case of the joint connector for circuit connection and the ground is integrated as in claim 2, it is only necessary to insert the terminal of the wire end of the branch line into the case, and the case is grounded. By fixing to the vehicle body by the terminal, the joint connector for circuit connection can be fixed.

Preferably, branch lines connected from the trunk of the wire harness to a ground joint connector are dispersed, and the circuit connection joint connector is preferably connected or integrated with an adjacent ground joint connector. 3).

When the ground joint connector is distributed as described above, the length of the branch line connected to the circuit joint connector to be connected or integrated with the ground joint connector can be shortened, and the ground at the optimum position can be reduced. Can be connected to the joint connector for use, and the degree of freedom in circuit design can be increased.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 3 show a first embodiment, in which a circuit connecting joint connector 12 is connected to a terminal of a branch line 11 branched from a main line 10 of a wire harness W / H, and a branch line 13 branched from the main line 10 is shown. Is connected to the ground connection joint connector 14. The case 14a of the ground connection joint connector 14 and the case 12a of the circuit connection joint connector 12 are fitted and connected to each other, and a ground terminal 15 protruding from the ground connection joint connector 14 is bolted to the vehicle body 20 by a bolt 2.
By fixing the joint connector 1, the ground connection joint connector 14 and the circuit connection joint connector 12 are fixed to the vehicle body 20.

As shown in FIG. 2, a dovetail-shaped fitting frame 16 projects from the outer surface of one side surface of the case 12a of the circuit connection joint connector 12 over the entire length in the longitudinal direction. Similarly, a protrusion 17 having a T-shaped cross section is protruded from the outer surface of one side surface of the case 14a of the ground connection joint connector 14, and the protrusion 17 is inserted into the fitting frame 16 from one end opening and slid. , These joint connectors 12 and 14 are connected.

The case 12a of the joint connector 12 for circuit connection comprises a female housing 12a-1 and a male housing 12a-2, and the fitting frame 16 is provided on the outer surface of the female housing 12a-1. A terminal 18 connected to the terminal of the group of wires of the branch line 11 is inserted into the male housing 12a-2, while a joint bus bar 19 is housed in the female housing 12a-1 and the male housing is fitted to the female housing. Thus, the terminals 18 are connected by the joint bus bar 19 to form a joint circuit.

The ground joint connector 14 has a substantially similar structure, and the case 14a has a female housing 14a-.
1 and a male housing 14a-2, and the projection 17 is provided on the outer surface of the female housing 14a-1. The terminal 22 connected to the terminal of the wire group of the branch line 13 is inserted into the male housing 14a-2, while the female housing 14a-
The terminal 22 is connected to the joint bus bar 23 by fitting a male housing and a female housing in a housing 1.
Furthermore, the joint bus bar 23 is connected to the case 14a.
To form an earth terminal 15 composed of an LA terminal having a bolt hole. The ground terminal 15 may be separately provided and connected to the joint bus bar 23 with bolts and nuts.

As shown in FIG. 3, a wire harness to which the above-mentioned circuit connecting and grounding joint connectors 12 and 14 are attached is manufactured along a wiring jig 31 erected on a wiring diagram board 30 as shown in FIG. At this time, the electric wires connected to the joint connector 12 and the joint connector 14 are laid at the positions specified in the wiring harness drawing posted on the wiring diagram board. Inserting terminals and the like are inserted into the male housings of the joint connectors 12 and 14, and thereafter, the female housings are fitted to each other to complete a branch line 11 connecting the joint connector 12 to the terminal and a branch line 13 connecting the joint connector 14 to the terminal. Let me.

The joint connectors 12 and 14 connected to the branch lines 11 and 13, respectively, are connected by fitting a projection 17 to a fitting frame 16.

When a wire harness is routed on a vehicle body, a ground terminal 1 protruding from a ground joint connector 14 is provided.
5 is fixed to the vehicle body 20 with bolts 16. The joint connectors 12 and 14 integrally connected by fixing the ground terminal 15 are fixed to the vehicle body 20.

The above-described ground joint connector 1
Since the position for attaching 4 can be set as appropriate, it is set to an appropriate position from the branch line 11 connected to the joint connector 12 for circuit connection. In particular, when the branch wires connected to the ground joint connector 14 are dispersedly arranged from the wire harness trunk 10, the circuit connection joint connector 14 may be connected to the ground joint connector 14 at an appropriate position adjacent thereto.

FIGS. 4 to 6 show a second embodiment. The first embodiment is different from the first embodiment in that the case of the earth joint connector 14 and the circuit joint connector 12 is integrally formed.
This is a difference from the embodiment.

That is, one side portion 30a of the case 30 is an insertion portion of a terminal connected to the branch line 13 on the ground side, and the other side portion 30b is an insertion portion of a terminal connected to the branch line 11 on the circuit connection side. An integrated female housing is fitted and connected to a male housing provided with insertion portions for these terminals. The female housing accommodates a joint bus bar connected to a terminal on the ground side, and a ground terminal 15 protrudes from the joint bus bar and extends outward from the case 30. The female housing also houses a joint bus bar connected to a terminal on the circuit connection side.

As described above, since the joint connector 12 for circuit connection and the ground joint connector are integrally provided in one case 30, the ground terminal 15 protruding from the case 30 is connected to the vehicle body 20. By bolting, the joint connectors 12 and 14 can be fixed at the same time. In other words, the work of fixing the joint connector for circuit connection can be omitted.

[0025]

As is apparent from the above description, according to the present invention, in order to connect or integrate the circuit connecting joint connector with the ground joint connector, the ground joint connector is connected to the vehicle body via the ground terminal. By fixing, the joint connector for circuit connection is also fixed to the vehicle body. This eliminates the need for fixing the circuit connecting joint connector to the main line by tape winding or the operation of connecting and fixing the circuit connecting joint connector to a junction box or the like, which is conventionally required, thereby improving productivity.

Also, the mounting position of the ground joint connector can be easily set to an optimum position for the circuit connection joint connector. In this case, the length of the branch line connected to the circuit connection joint connector can be reduced, and The cost can be reduced by eliminating waste of the line route.

[Brief description of the drawings]

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

FIG. 2A is a schematic front view of the joint connector according to the first embodiment, and FIG. 2B is a schematic plan view.

FIG. 3 is a schematic view showing a joint connector mounting method according to the first embodiment.

FIG. 4 is a perspective view showing a second embodiment.

FIG. 5 is a schematic perspective view of a joint connector according to a second embodiment.

FIG. 6 is a schematic view showing a joint connector mounting method according to a second embodiment.

FIG. 7 is a schematic view showing a conventional example.

FIG. 8 is a schematic diagram showing another conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Trunk line of wire harness 11 Branch line 12 Joint connector for circuit connection 13 Branch line 14 Joint connector for ground connection 15 Ground terminal 16 Fitting frame 17 Projection 20 Body of vehicle

Claims (3)

[Claims] 1. A case of a circuit connection joint connector connected to a terminal of a group of wires of a branch line branched from a trunk line of an automobile wire harness, and a ground joint connector connected to a terminal of a group of wires of a branch line branched from the trunk line. A fixing structure of a joint connector, wherein the circuit connecting joint connector is simultaneously fixed to the vehicle body by fixing the ground joint connector to the vehicle body via a ground terminal. 2. A case of a circuit connection joint connector connected to a terminal of a group of wires of a branch line branched from a trunk line of an automobile wire harness, and a ground joint connector connected to a terminal of a group of wires of a branch line branched from the trunk line. By integrally forming the case with the case, and fixing the ground terminal on the ground joint connector side to the vehicle body,
A joint connector fixing structure in which the integrally formed circuit connecting joint connector is simultaneously fixed to a vehicle body. 3. A branch line connected from a trunk line of the wire harness to a ground joint connector is distributed, and the circuit connection joint connector is connected to or integrated with an adjacent ground joint connector. The fixing structure of the joint connector according to claim 2.