JP3362104B2 - Grounding joint connector and method of grounding this connector - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grounding joint connector for jointing a plurality of grounding wire terminals and grounding to a vehicle body and the like, and a grounding method for this connector.

[0002]

2. Description of the Related Art FIG. 11 shows a grounding joint connector 1 described in Japanese Utility Model Laid-Open No. 5-94980. This ground joint connector 1 is provided with a housing 3 in which a plurality of terminal accommodating chambers 2 are arranged in parallel, a joint terminal portion 4 accommodated in the terminal accommodating chamber 2 at one end, and a ground terminal at the other end. And a bus bar 6 for a joint provided with a portion 5.

A plurality of terminal pieces 7 of the joint terminal portion 4 are inserted into the terminal accommodating chamber 2 of the housing 3 and connected to the terminals of the grounding electric wire (see FIG. 12) 8. Further, the grounding terminal portion 5 has a mounting hole 9 formed therein so that the screw can be inserted into the vehicle body or the like when screwed.

This ground joint connector 1 is shown in FIG.
As shown in 2, by connecting the terminal of the grounding wire 8 and the joint terminal part 5 to each other by screwing the grounding terminal part 5 to a position avoiding the device 10, It is designed to be grounded.

[0005]

However, in the grounding joint connector 1 described above, when the device 10 is close to the periphery where the grounding terminal portion 5 is screwed to the vehicle body or the like,
The device 10 becomes an obstacle and the workability of screwing is poor.

Further, when the ground joint connector 1 is screwed and fixed at a position close to the device 10, the housing 3 and the device 10 may come into contact with each other due to vibration, which may cause abnormal noise.

If the housing 3 is arranged as far away from the device 10 as possible to be screwed and fixed, the grounding wire 8 will be forcibly pulled and the housing 3
Problems such as disconnection of terminals from

[0008] Therefore, an object of the present invention is to provide a grounding joint connector which can be grounded easily even in a narrow space and which improves the degree of freedom of a fixed position, and a grounding method of this connector.

[0009]

In order to achieve the above object, the invention of claim 1 has a housing formed with a housing for housing terminals respectively connected to terminals of a plurality of electric wires, and one end of the housing is formed as described above. A grounding joint connector having a joint bus bar housed in a housing part and connected to the terminal and having the other end protruding from the housing and grounded, wherein the joint bus bar is housed in the housing. And a joint terminal portion connected to the terminal, and connected to this joint terminal portion,
And a grounding terminal portion that projects outward from the housing and is grounded, and a projection length adjusting mechanism that adjusts a projection length of the grounding terminal portion with respect to the housing is provided.

In this grounding joint connector, the projection length of the grounding terminal portion with respect to the housing is adjusted by the projection length adjusting mechanism to prevent contact between the equipment and the housing around the grounding joint connector. can do. Further, the fixing work can be performed with the housing and the device separated from each other, and the workability is improved.

A second aspect of the present invention is the invention according to the first aspect, wherein the protrusion length adjusting means has a plurality of convex portions provided at one side of the grounding bus bar at predetermined intervals, and the joint portion. It is characterized in that it is provided with a bus bar, and one of the convex portions is engaged with a concave portion for determining a protruding length of the ground bus bar with respect to the housing.

In this ground joint connector, the protrusion length of the ground bus bar with respect to the housing is adjusted by engaging the recess with one of the plurality of protrusions.
Accordingly, the ground joint connector can be connected so that the equipment around the ground location and the housing do not come into contact with each other.

The invention of claim 3 is the invention of claim 1 or claim 2.
In the invention described above, the other side of the grounding busbar is folded back toward one side to form a folded portion, and the other end of the joint busbar is elastically sandwiched between the folded portions. It has a feature.

In this ground joint connector, since the other end of the joint bus bar is elastically sandwiched by the folded portion, it is possible to pull out the ground bus bar from the housing or insert the ground bus bar into the housing. The protrusion length of the ground bus bar with respect to the housing can be easily adjusted.

The invention of claim 4 is the invention of claims 1 to 3.
The grounding joint connector grounding method according to any one of claims 1 to 3, wherein the projection length of the grounding busbar with respect to the housing is adjusted by a projection length adjusting mechanism in accordance with a space around the grounding portion, and then the grounding busbar is adjusted. The other side is grounded.

In this grounding method for the grounding joint connector, since the projection length of the grounding bus bar with respect to the housing can be adjusted by the projection length adjusting mechanism, it is possible to prevent contact between the housing and equipment around the grounding location. .

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a grounding joint connector and a grounding method according to the present invention will be described below.

As shown in FIG. 1, a ground joint connector 11 according to an embodiment of the present invention includes a housing 12 and a joint bus bar 13 having one end housed in the housing 12 and the other end protruding from the housing. Has been done. Further, the ground joint connector 11 of the present embodiment is provided with a protrusion length adjusting mechanism 14 for adjusting the protrusion length of the joint bus bar 13 from the housing 12.

As shown in FIG. 2, the housing 12 is formed with a housing portion 15 in which a mating connector is housed, which penetrates the housing 12 in the front-rear direction. One opening side is an insertion port 16 into which the joint bus bar 13 is inserted, and the insertion port 16 can be opened and closed by a cover 17. The cover 17 is rotatably connected to the opening edge of the insertion opening 16 by a hinge 18. In addition, a bulge portion 19 is formed in an intermediate portion on the upper surface side of the housing 12.

As shown in FIG. 1, the joint bus bar 13 is formed of a joint terminal portion 20 and a grounding terminal portion 21. As shown in FIG. 4, the joint terminal portion 20 has a plurality of terminal pieces 22 formed on one side portion (one side) and a connection portion (other side) 23 with the grounding terminal portion 21 on the other side portion. Has been formed. The terminal piece 22 and the connecting portion 23 are punched out integrally from a flat plate and then bent into a U shape. The connecting portion 23 has a rectangular hole 2
4 and a recess 25 is formed substantially in the middle. One end of the grounding terminal portion 21 is connected to the connecting portion 23.

As shown in FIG. 6, the grounding terminal portion 21 is elongated, and the width of one side from the substantially middle portion is set to be narrower than the other side, and the folded portion 26 is provided on one side and the other side. Grounding part 2
7 are formed. Further, at both ends (ends of the folded portion 26 and the grounding portion 27), grounding holes 28, 28 having the same diameter are provided.
Are formed respectively.

A rectangular through hole 29 is formed in the ground portion 27 on the ground hole 28 side. In the through hole 29, the folded portion 26 folded toward the grounding portion 27 side.
Is inserted. Then, as shown in FIG. 7, the folding portion 26 is folded with the connecting portion 23 interposed therebetween, and the tip portion thereof penetrates the through hole 29 and is superimposed on the end portion of the grounding portion 27. Therefore, the connecting portion 23 is elastically sandwiched between the grounding portion 27 and the folded portion 26. Further, the grounding portion 27 is formed with four stamped protrusions 30, 30, 30, 30. By engaging one of the convex portions 30 with the concave portion 25, the position of the grounding terminal portion 21 with respect to the joint terminal portion 20 is set, and the protruding length of the grounding terminal portion 21 with respect to the housing 12 is set. It

The protrusion length adjusting mechanism 14 is composed of the concave portion 25 and the convex portions 30, 30, 30, 30.

Next, this ground joint connector 11
The assembling procedure will be described.

First, as shown in FIG. 7, the folded portion 26
Is folded toward the grounding terminal portion 21 side, and the hole 2 of the connecting portion 23 is formed.
After being inserted in 4, the tip portion is inserted into the rectangular through hole 29 and overlapped with the end portion of the ground portion 27. At this time, the convex portion 30 is arbitrarily engaged with the concave portion 25 of the connecting portion 23. From this state, as shown in FIG.
5, the terminal piece 22 is inserted, the grounding terminal portion 21 and the folded portion 26 are inserted in the bulging portion 19, and the insertion port 16 of the housing portion 15 is closed by the cover 17.

Next, as shown in FIG. 9, the mating connector 32 accommodating the terminal of the grounding wire 31 is inserted and fitted into the housing 12, and the terminal of the grounding wire 31 and the terminal piece 22. Connect with. Thereby, the terminals of the terminals of the plurality of grounding electric wires 31 are connected to each other.

Then, as shown in FIG. 10, the protruding length of the grounding terminal portion 21 with respect to the joint terminal portion 20, that is, the grounding terminal portion 21 so that the equipment 33 around the grounding location and the housing 12 do not come into contact with each other. The protrusion length with respect to the housing 12 is adjusted by the protrusion length adjusting mechanism 14, and fixed to the grounding place with screws.

As described above, in the ground joint connector 11 of this embodiment, the housing 1 of the ground terminal portion 21 is
By providing the protrusion length adjusting mechanism 14 for adjusting the protrusion length with respect to 2, it is possible to reliably prevent contact between the device 33 and the housing 12 around the grounding position.

The grounding terminal portion 21 is attached to the housing 12
If the projecting length of the grounding terminal portion 12 with respect to the housing 12 is adjusted by the projecting length adjusting mechanism 14 after the screwing work is performed in the most projecting state and the grounding is completed, the device 33 is in close proximity. Housing 12 and equipment 3
Since the space between 3 and 3 is widened, mounting workability is improved.

Further, in this embodiment, since the connecting portion 23 is elastically sandwiched between the grounding portion 27 and the folded portion 26,
Pulling out the grounding terminal portion 21 from the housing 12,
It can be easily done when pushing it into the housing 12.

By adjusting the protruding length of the grounding terminal portion 21 with respect to the housing 12, it is possible to improve the degree of freedom in the fixing position of the grounding joint connector.

[0032]

As described above, according to the first aspect of the invention, by adjusting the protrusion length of the grounding terminal portion with respect to the housing by the protrusion length adjusting mechanism, the periphery of the place where the grounding joint connector is grounded is adjusted. Since it is possible to prevent the device from contacting the housing and the fixing work can be performed with the housing and the device separated from each other, workability is improved.
Therefore, the degree of freedom in the fixing position of the ground joint connector can be improved.

According to the second aspect of the present invention, the protrusion length of the ground busbar with respect to the housing is adjusted by engaging one of the plurality of protrusions with the recess. Accordingly, the ground joint connector can be connected so that the equipment around the ground location and the housing do not come into contact with each other.

According to the third aspect of the invention, since the other end of the joint bus bar is elastically sandwiched by the folded portion, the ground bus bar is pulled out from the housing or the ground bus bar is inserted into the housing. This makes it possible to easily adjust the protruding length of the ground bus bar with respect to the housing.

According to the fourth aspect of the present invention, the protrusion length adjusting mechanism can adjust the protrusion length of the grounding busbar with respect to the housing, so that it is possible to prevent contact between the housing and equipment around the grounding location. .

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a housing and a joint bus bar are disassembled in a grounding joint connector according to the present invention.

FIG. 2 is a cross-sectional view showing the inside of a grounding joint connector according to the present invention.

FIG. 3 is a sectional view showing a protrusion length adjusting mechanism.

FIG. 4 is a plan view showing a developed state of a joint terminal portion.

FIG. 5 is a perspective view showing a joint terminal portion.

FIG. 6 is a plan view showing a developed state of a grounding terminal portion.

FIG. 7 is a perspective view illustrating a procedure of assembling the grounding terminal portion and the joint terminal portion.

FIG. 8 is a perspective view showing a state in which a joint bus bar is attached to a housing.

FIG. 9 is a perspective view showing a grounding joint connector and a mating connector.

FIG. 10 is a perspective view showing a relationship between a grounding joint connector and devices around a grounding position.

FIG. 11 is a perspective view showing a conventional grounding joint connector.

FIG. 12 is a perspective view showing a relationship between a conventional grounding joint connector and devices around a grounding position.

[Explanation of symbols]

11 Grounding joint connector 12 housing Bus bar for 13 joints 14 Projection length adjustment mechanism 15 Housing 20 Joint terminal part 21 Grounding terminal

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) H01R 13/652 H01R 31/08

Claims (4)

(57) [Claims] 1. A housing having an accommodating portion for accommodating terminals respectively connected to terminals of a plurality of electric wires, one end of which is accommodated in the accommodating portion and connected to the terminal, and the other end of which is a housing. A joint connector for grounding, comprising a joint bus bar protruding from the ground and a joint bus bar, wherein the joint bus bar is housed in a housing and connected to the terminal, and the joint terminal portion. And a grounding terminal portion which is connected to the housing and projects outward from the housing to be grounded, and a projection length adjusting mechanism for adjusting a projection length of the grounding terminal portion with respect to the housing is provided. Joint connector for grounding. 2. The invention according to claim 1, wherein the protrusion length adjusting mechanism is provided with a plurality of protrusions provided at predetermined intervals on the grounding terminal portion and the protrusions provided on the joint terminal portion. A grounding joint connector, characterized in that one of the parts is engaged with a recess for determining a protruding length of the grounding terminal part with respect to the housing. 3. The invention according to claim 1 or 2, wherein the other side of the grounding terminal portion is folded back toward one side to form a folded portion, and the folded portion is formed between the other side. The ground joint connector, wherein the other end of the joint terminal portion is elastically clamped. 4. The grounding method for a grounding joint connector according to claim 1, wherein a protrusion length of the grounding terminal portion with respect to the housing is adjusted to a space around the grounding portion. The grounding method is characterized in that the other side of the grounding terminal is grounded after being adjusted by the protrusion length adjusting mechanism.