JP3394178B2 - Wire binding structure for electrical junction box - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for an electric connection box in which a lower side of a connection box main body is covered with an undercover, and collects a plurality of electric wires drawn from the connection box main body. Regarding the structure.

[0002]

2. Description of the Related Art FIG. 7 and FIG.
The mounting structure of a fuse box (electrical junction box) described in Japanese Patent No. 73 is shown. In the figure, a fuse box 1 comprises a fuse box body 2 and a cover member 3, and the fuse box body 2 is bolted and fixed to a vehicle body by a mounting portion 4. Further, a plurality of electric wires 6 are drawn out from the back surface side of the fuse box body 2 and join the wire harness 5. further,
The plurality of electric wires 6 drawn out from the fuse box body 2 are held by a holding member 7 fixed to the fuse box body 2.
After being converged on the back surface side of the fuse box body 2 by the, it joins the wire harness 5. Further, a clip portion 8 is integrally provided on the holding member 7,
The fuse box body 2 is fixed to the vehicle body by engaging with the mounting hole on the vehicle body side.

[0003]

However, in the above-described structure for mounting a fuse box or the like, between the portion of the fuse box main body 2 that is pulled out from the rear surface side and the portion that is converged by the holding member 7, especially the electric wire 6 is pulled out. The part is the holding member 7
When it is far from the above, the electric wires cannot be focused, so that there is a problem that problems such as slack are likely to occur.

Further, in the above mounting structure, the back side of the fuse box body 2 is not covered with a cover or the like, and even if the electric wire drawn out from the fuse box body 2 is slightly slack, it does not interfere. In the structure in which the back side of the fuse box body 2 is covered with a cover or the like, there is a problem that the electric wire is pinched, noise is generated by interfering with the cover or the like, and rubbing between the electric wire and the cover or the like occurs.

Therefore, an object of the present invention is to provide a wire bundle structure for an electric junction box, which can bundle the wires drawn out from the junction box body and can reliably prevent interference with the undercover. To do.

[0006]

In order to achieve the above-mentioned object, the invention of claim 1 has a junction box main body in which an electric component is mounted from the front side and a branch circuit is built in, and a plurality of junction boxes connected to the branch circuit. An electric wire converging structure for concentrating the electric wires drawn out from the electric wire drawing side used in an electric connection box having an undercover for covering the electric wire drawing side of the connection box body from which the electric wires of the book are drawn out, which is flexible. A long main body, a stop portion provided on one side of the main body and supported by the connection box body, and a lock portion provided on the connection box body at an intermediate portion in the longitudinal direction of the main body. locked to have a band clamp comprising a locking portion to be sandwiched between the rear surface side of the main body and the electric wire drawn out from the wire lead-out side connection box body back face side of the connection box body, said body Is the connection
The connecting box book is inserted in the insertion hole provided through the main body of the connecting box.
Inserted from the front side of the body to the electric wire drawing side on the back side,
The stop portion is abutted and supported on an opening peripheral edge of the insertion hole .

In this electric wire bundle structure for an electric connection box, after the band clamp is supported by the connection box body by the stop portion, the locking portion is locked by the lock portion of the connection box body. At this time, the plurality of electric wires pulled out from the connection box body by the body are sandwiched between the connection box body. As a result, the plurality of electric wires drawn out from the connection box body are bundled on the electric wire drawing side of the connection box body. Also, the electric wire for this electrical junction box
In the converging structure, the band clamp is inserted in the insertion hole of the junction box body.
Insert it, and make the stopper contact and support the peripheral edge of the insertion hole.
It Next, the locking portion is locked to the lock portion of the connection box body. This
In the case of, multiple pieces pulled out from the junction box body by the body
Hold the electric wire of No. 2 between the main body of the junction box.

According to a second aspect of the present invention, there is provided the electric wire bundling structure for an electric junction box according to the first aspect, wherein the lock portion is a front portion.
A lock insert that is provided on the main body of the connection box and through which the main
The through hole and the engaging wall that protrudes from the inner wall of the lock insertion hole.
Pulling the main body out of the lock insertion hole by engaging the stopper
It is characterized by comprising an engaging projection for blocking the .

[0009] In the electrical junction box for electric wires focusing structure, stop
After supporting the band clamp on the junction box body by the
Then, insert the main body into the lock insertion hole. Lock insertion hole
When the main body is inserted into the inside,
The main body is prevented from coming off from the hook insertion hole. At this time,
Between the main body and the junction box body, it is pulled out from the junction box body.
A plurality of electric wires are sandwiched and focused .

According to a third aspect of the present invention, there is provided a wire bundle structure for an electric junction box according to the first or second aspect, wherein
The support position on one side of the hand clamp and the lock part are connected
It is characterized by being located at a diagonal position of the box body .

[0011] In the electrical junction box for electric wires focusing structure, van
Connection box body between the support position on one side of the do clamp and the lock part
It is pulled out from the junction box body by installing it in the diagonal position of
Be sure to hold multiple wires together with the junction box body.
You can

A fourth aspect of the present invention is the electric wire concentrating structure for an electric junction box according to any one of the first to third aspects, in which a supporting position or a roll on one side of the band clamp is provided.
Either side of the
It is characterized in that it is provided on the exit side .

[0013] In the electrical junction box for electric wires focusing structure, van
One of the support position or the lock part on one side of the clamp
One side is installed on the wire drawing side of the undercover.
, Multiple cables are spread over a wide range on the wire extraction side of the junction box body.
The electric wires of can be focused .

[0014]

[0015]

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the electric wire bundle focusing structure for an electric junction box according to the present invention will be described below. FIG. 1 is a perspective view showing an electric junction box 10 and a band clamp 11 used in the electric junction box 10, and FIG. 2 is an electric junction box 1
0 is a plan view, and FIG. 3 is a cross-sectional view showing the inside of the electrical junction box 10.

As shown in FIG. 1, an electric junction box 10 includes a junction box main body 12 having a branch circuit built therein and an undercover 13 for covering the back surface side (electric wire drawing side) of the junction box main body 12.
Consists of. The junction box body 12 is provided with a relay mounting portion 14 in which a relay is mounted and a fuse mounting portion 15 in which a fuse is mounted. In addition, the connection box body 12
The undercover 13 that covers the back side of the junction box body 1
A wire outlet 17 is provided for drawing out the plurality of wires 16 drawn out from the wire 2.

Further, the junction box body 12 is provided with a one-sided supporting portion 18 for supporting one side of the band clamp 11 and a lock portion 19 for locking the locking portion 26 of the band clamp 11. . The one side support portion 18 and the lock portion 19 are
The lock portion 19 is provided so as to penetrate through the connection box body 12, respectively, and the lock portion 19 is provided on the side of the wire outlet 17 of the under cover 13 and is provided at a diagonal position with respect to the one side support portion 18.

As shown in FIG. 4, the one-sided support portion 18 includes an insertion hole 20 provided in the connection box body 12 and a support wall portion 21 formed by expanding an opening edge portion of the insertion hole 20. Is formed by. Further, as shown in FIG. 5, the lock portion 19 is formed of a lock insertion hole 22 provided in the connection box body 12 and an elastic engagement protrusion 23 projecting from an inner wall of the lock insertion hole 22. There is.

On the other hand, as shown in FIG. 1, the band clamp 11 includes a flexible main body 24 and a main body 2.
4 is provided on one side of the connection box body 12 and is supported by the connection box body 12, and a locking portion 19 provided at an intermediate portion in the longitudinal direction of the body 24 and is locked by a lock portion 19 provided on the connection box body 12. And part 26.

By inserting the band clamp 11 into the insertion hole 20 of the one-sided support 18 from the front side and inserting the stopper 25 until it comes into contact with the support wall 21, the band clamp 1
One side of 1 is supported by the junction box body 12. Further, when the middle portion of the band clamp 11 is inserted into the lock insertion hole 22 from the rear surface side of the connection box body 12, the locking portion 26 is engaged with the engagement protrusion 2.
3 is engaged and its disengagement is prevented. In this case, the locking portion 2
Since 6 is formed by a plurality of saw-toothed protrusions 27, as the main body 24 is inserted into the lock insertion hole 22, the distance between the main body 24 and the back side of the connection box main body 12 becomes narrower.

Next, a method of bundling a plurality of electric wires pulled out from the rear surface side of the junction box body 12 will be described.

As shown in FIG. 1, the band clamp 11
Is inserted into the insertion hole 20 of the one side support portion 18 of the connection box body 12, and is inserted until the stopper portion 25 abuts the support wall portion 21. Next, as shown in FIG. 3, the intermediate portion of the band clamp 11 is inserted into the lock insertion hole 22 of the lock portion 19.
At this time, a plurality of electric wires pulled out from the connection box body 12 are sandwiched between the body 24 of the band clamp 11 and the connection box body 12. Then, by further inserting the band clamp 11 into the lock insertion hole 22, a plurality of electric wires are sandwiched between the band clamp 11 and the connection box body 12 to be bundled. At this time, the locking portion of the band clamp 11 engages with the engagement protrusion 23 and is prevented from coming off.

As described above, the plurality of electric wires 16 drawn out from the back surface side of the connection box body 12 are sandwiched and bundled between the back surface side of the connection box body 12 and the body 24 of the band clamp 11. From this state, the undercover 13 covers the back surface side of the connection box body 12, and the plurality of electric wires 16 are pulled out from the electric wire outlet 17.

According to this embodiment, the band clamp 11
One side is fixed to the junction box body 12, the other side is the junction box body 1
The plurality of electric wires 16 pulled out from the connection box body 12 by being locked to the lock portion 19 provided on the band clamp 1
Since the main body 24 and the junction box main body 12 are sandwiched and focused, it is possible to reliably prevent interference with the under cover 13.

Further, the one side support portion 1 of the band clamp 11
8 and the lock portion 19 are arranged at diagonal positions, so that the plurality of electric wires 16 drawn out from the connection box body 12
Can be reliably focused.

Further, by sandwiching a plurality of electric wires 16 between the rear surface side of the junction box main body 12 and the main body 24 of the band clamp 11, it is possible to prevent the electric wires 16 from sagging, and the under cover 13 is formed. Thus, when the back surface side of the junction box body 12 is covered, the electric wire is not pinched, and the fitting workability is improved.

Further, since the lock portion 19 is diagonally located with respect to the one side support portion 18 and is provided on the electric wire outlet 17 side of the under cover 13, a plurality of pieces pulled out from the connection box body 12 are provided. It is possible to reliably bundle the electric wires and to lead them out.

Further, in this embodiment, the band clamp 1
Since the first locking portion 26 is engaged with the lock portion 19, it is possible to arbitrarily set the distance between the main body 24 and the back surface side of the connection box main body 12. As a result, regardless of the number of electric wires drawn out from the connection box body 12 and the wire diameter, the connection box body 12
The electric wire can be bundled with the back side of the wire.

Incidentally, as shown in FIG. 6, the one side support portion 18
Are provided at three places on one side of the connection box body 12, and three lock parts 19 are provided on the other side, so that three band clamps 11,
A plurality of electric wires drawn out from the junction box body 12 by 11, 11 may be sandwiched between the back surface side of the junction box body 12 and focused. In addition, as shown in FIG.
Multiple band clamps 1 with one side support
By using 1, it is possible to cope with differences in electric wire capacity, wire length, and slack position due to differences in specifications.

[0031]

As described above, according to the first aspect of the present invention, after the band clamp is supported by the connection box main body by the stop portion, the lock portion is locked by the lock portion of the connection box main body. By sandwiching the multiple electric wires pulled out from the junction box body by the main body with the junction box main body, the multiple electric wires pulled out from the junction box main body can be bundled, preventing slack. Interference with the under cover can be reliably prevented. Also, a band clamp
Insert it into the insertion hole of the junction box body, and open the stopper part of the insertion hole.
Abut on and support the peripheral edge, and lock part on the lock part of the junction box body
By locking the
Several wires can be clamped between the junction box body
Therefore, it is possible to reliably bundle multiple wires, and
It is possible to reliably prevent the interference with the lower cover .

According to the second aspect of the invention, the band club
Insert the main body of the pump into the lock insertion hole, and
Connecting with a band clamp by engaging the locking part
Between the box body and multiple boxes pulled out from the connection box body
The wire can be easily clamped and it can be reliably focused.
You can

According to the third aspect of the invention, the band club
The support position on one side of the pump and the lock part on the diagonal of the junction box body.
By installing in the position, multiple
The wire of the book can be securely sandwiched between the main body of the junction box.
Can .

According to the invention of claim 4, the band club
The support position on one side of the pump or the lock part,
Connect by installing on the wire drawing side of the under cover
Connect multiple wires over a wide range on the wire outlet side of the box body.
Can be focused .

[0035]

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an electrical junction box to which the present invention is applied and a band clamp used in the electrical junction box.

FIG. 2 is a plan view showing an electric junction box to which the present invention is applied.

FIG. 3 is a sectional view showing the inside of an electrical junction box to which the present invention is applied.

FIG. 4 is a cross-sectional view showing one side support portion.

FIG. 5 is a cross-sectional view showing a lock portion.

FIG. 6 is a plan view showing another embodiment.

FIG. 7 is a perspective view showing a conventional attachment structure of a fuse box or the like.

8 is a perspective view showing a back surface side of the fuse box or the like shown in FIG. 7.

[Explanation of symbols]

10 electrical junction box 11 band clamps 12 Connection box body 13 Undercover 18 One-sided support 19 Lock part 24 body 25 Stop 26 Locking part

─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) H02G 3/08 B60R 16/02

Claims (4)

(57) [Claims] 1. A connection box main body in which an electric component is mounted from the front side and a branch circuit is built in, and an undercover which covers a wire extraction side of the connection box main body from which a plurality of electric wires connected to the branch circuit are drawn out. An electric wire converging structure for concentrating the electric wires drawn out from the electric wire drawing side used in an electric connection box having a flexible main body, and a long main body provided on one side of the main body. A stopper portion supported by the junction box body and a lock portion provided at an intermediate portion in the longitudinal direction of the body and locked by a lock portion provided on the junction box body, and pulled out from the electric wire pull-out side on the back surface side of the junction box body. have a electric wire and the connection box body back face side band clamp comprising a locking portion to be sandwiched between the body, the body is the junction box body
The insertion hole provided through the front side of the junction box body
From the rear side to the wire pull-out side,
Is abutted and supported on the peripheral edge of the opening of the insertion hole . 2. The electric wire binding structure for an electrical junction box according to claim 1, wherein the lock portion is provided in the junction box body.
And the lock insertion hole through which the main body is inserted, and this lock insertion hole.
It is protruded from the inner wall of the through hole and engages with the locking portion,
Engaging projection for preventing the main body from coming off from the hook insertion hole
The electric wire concentrating structure for the electric junction box, which is made of 3. The electric wire bundling structure for an electric junction box according to claim 1, wherein the one side of the band clamp is provided.
The support position and the lock part are at diagonal positions on the junction box body.
Electrical connection box wires focusing structure, characterized in that that 4. The electric wire bundle structure for an electrical junction box according to claim 1, wherein the band is provided.
Either the support position on one side of the clamp or the lock part
Is provided on the wire pull-out side of the undercover, wherein the wire bundle structure for an electric junction box is provided .