JPH10257651A - Clamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a clamp which has a simple construction, does not reduce the workability of retaining and, further can be easily removed from a body panel only by shifting the clamp, together with a wiring harness in a specified direction without the use of an exclusive jig. SOLUTION: Two retainers 2A and 2B which consist of flexible square column-shaped pillars 3 and retaining nails 4, formed on the tips of the column 3, and erected respectively on two axial lines whose spacing is slightly smaller than the short axis diameter of an elliptical through-hole 20A formed in a body panel in the surface of a board 1 fixed to a wiring harness-attaching part 10A, so as to have the two retaining nails 4 oriented in the directions opposite to each other. The retainer 2A retains with one end part of one of the long sides of the elliptical through-hole 20A and the retainer 2B retains with end part on the side of a position far from the one end part of the other long side of the elliptical through-hole 20A. If the board 1 is shifted in a direction parallel to the body panel, together with the wiring harness and moved vertically downwards, the retainers 2A and 2B fall out of the through-hole 20A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clamp which is attached to a wire harness and is inserted into and fixed to a mounting hole of a vehicle body panel, and more particularly to a clamp which can be easily removed from a mounting hole of a vehicle body. is there.

[0002]

2. Description of the Related Art Generally, a wire harness for an automobile is
A clamp is attached to a required portion of the wire harness, and the clamp is inserted and locked in a through hole formed in a vehicle body panel, so that the cable is routed along a required route in the vehicle.

Recently, there has been an increasing demand for recycling the body of an automobile. Since the body of a car is mainly made of iron, it is necessary to remove a copper wire harness when recycling the body. From this point,
Attempts have been made to allow the clamp to be easily disengaged from the body panel.

[0004]

SUMMARY OF THE INVENTION For example, Japanese Utility Model Laid-Open No. 2-5
Japanese Patent Publication No. 682 discloses a clamp having a structure in which a locking portion to a vehicle body panel is easily separated from a mounting portion of a wire harness.
In Japanese Utility Model Laid-Open Publication No. Hei 3-30682, a supporting column is provided on a substrate for holding a wire harness, and a locking blade is provided at the tip of the supporting column. A hole for inserting a jig bar is provided in the substrate while the flexible strip connecting the locking blade is pushed up and bent by the jig bar to release the locking of the locking blade. A possible clamp has been proposed.

However, in the clamp proposed in Japanese Utility Model Laid-Open Publication No. 2-5682, the thin portion is formed so that the root portion of the locking portion to the vehicle body panel is more easily divided than the other portions (so as to be easily torn). The clamp is easy to bend at this part because it is necessary to have a small diameter, and the workability of the locking work is poor when inserting and locking the clamp in the through hole of the vehicle body panel after attaching the wire harness There's a problem. Further, when the wire harness is removed from the vehicle body panel, there is a case where the clamp cannot be reliably separated, and there is a problem that the reliability of the removal is poor.

On the other hand, the clamp proposed in Japanese Utility Model Laid-Open No. 3-30682 has a problem that a special jig is required for removal and the structure of the clamp itself is complicated.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems in the conventional clamp, and has a simple structure, without reducing the workability at the time of locking, and using a dedicated jig. It is an object of the present invention to provide a clamp which can be easily removed simply by moving the clamp in a predetermined direction together with a wire harness.

[0008]

According to the present invention, there is provided a camera comprising:
The first locking piece and the locking claw, in which the locking claw protrudes in the first direction from the tip side surface of the flexible post on the substrate fixed to the attachment portion to the wire harness for the automobile, are described above. A clamp in which one or more second locking pieces protruding in a second direction 180 ° opposite to the first direction are erected to form a locking portion to a through hole of a vehicle body panel. The locking portion
In a state where the first and second locking pieces are inserted and locked into the through holes of the vehicle body panel, the board is moved in one direction in parallel with the vehicle body panel together with the wire harness for an automobile to perform the first locking. When one of the second locking piece and the second locking piece is pulled away from the inner surface of the through hole to release the locking of the locking claw, the first locking piece or the second locking piece is simultaneously released.
When one of the locking pieces is bent, the support is bent with the inner peripheral surface of the through hole as a fulcrum, and the locking of the locking claw is released. Then, the substrate is vertically lowered and lowered. There is provided a clamp, wherein the second locking piece is configured to fall out of the through hole.

With the above construction, the clamp attached to the wire harness is inserted into the through hole of the vehicle body panel and locked,
The clamp can be removed by a simple operation of moving the clamp parallel to the vehicle body panel and then lowering and lowering the clamp vertically downward from the vehicle body panel.

In the case where the through hole is an elongated through hole, the locking portion is provided with one or more first locking pieces standing on a first axis in the substrate surface. One or more second locking pieces are erected on a second axis running parallel to the first axis at a predetermined interval in the surface of the substrate, and The locking piece is locked to one long side of the through hole of the long hole, while the second locking piece is locked to the other long side of the through hole of the long hole, When the substrate is moved in a direction perpendicular to the long side of the through hole in parallel with the vehicle body panel together with the automobile wire harness, the locking of the first and second locking pieces is released. Is preferable (claim 2). With this configuration, the locking portion can be stably locked to the elongated through hole, and the locking portion can be removed from the vehicle body panel by a simple operation.

Further, in order to obtain a more stable locking force for the locking portion for locking the through hole of the elongated hole, the first locking piece is provided on the first axis line in the substrate surface. The second locking piece is erected at a second position axially separated from the first position on the second axis in the substrate surface while being erected at the first position. Is fixed along the end of one long side of the through hole of the long hole, and the second locking piece is the one long side of the other long side of the through hole of the long hole. (Claim 3), or the first locking piece stands at a first position on a first axis in the substrate surface. On the other hand, the first position on the second axis parallel to the first axis in the substrate surface is different from the first position on the second axis separated from the second position on the one side in the axial direction. Other in the axial direction Standing on a third position spaced to the side,
The first locking piece locks along substantially the center of one long side of the through hole of the long hole, while the two second locking pieces lock the other long side of the through hole of the long hole. (Claim 4).

The mounting portion of the wire harness may be a band that is wound around the wire harness and fixed thereto, or a substrate that is wound around and fixed to the wire harness by tape.

[0013]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 4 show a first embodiment of the present invention. The synthetic resin clamp 10 includes a band 7 wound around the outer periphery of the wire harness W / H,
It has an insertion hole (see FIG. 9) for inserting the band portion 7, and in the insertion hole, a locking piece (not shown) is locked to a saw-toothed portion (see FIG. 9) on the surface of the band portion 7 to make the band. A wire harness attachment portion 10A having a band lock portion 6 for fixing the portion 7,
A locking portion 10 in which a rectangular substrate 1 is fixed on the upper surface of the band lock portion 6 and locking pieces 2A and 2B are erected on the upper surface of the substrate 1.
B, and an elliptical plate-shaped plate pressure adjusting portion extending obliquely upward from the entire periphery of the side surface of the substrate 1.

On the other hand, the clamp 1
An oval through-hole 20A is formed for inserting and locking the 0 locking portion 10B.

Each of the locking pieces 2A and 2B has a structure in which a locking claw 4 is provided at the tip of a flexible prism-shaped column 3 and stands upright with respect to the surface of the substrate 1. . These locking pieces 2A and 2B are formed on one of two parallel axes spaced apart from the length of the short axis of the oval through hole 20A in the surface of the substrate 1 and on the other axis. On the line,
Both are formed so as to be separated from each other in the axial direction.

As shown in FIG. 1, a wire harness W / H
The locking portion 10B of the clamp 10 to which the band portion 7 is wound and fixed is pulled up toward the oval through hole 20A of the oval body panel 20, and the long axis of the rectangular substrate 1 is formed into the oval shape. The locking pieces 2A and 2B are inserted into the oblong through hole 20A in accordance with the long axis of the through hole 20A. In this manner, the locking pieces 2A and 2B are locked after the inclined surface of the locking claw 4 abuts the opening periphery of the through hole 20A and the prism 3 is bent inward of the through hole. Claw 4 is through hole 2
It protrudes from the inner surface of the vehicle body panel 20 through 0A and is locked (FIGS. 2 and 3). At this time, the outer surface of the vehicle body panel 20 is pressed by the elliptical dish-shaped plate thickness adjusting portion 5, and stable locking is obtained.

As shown in FIG. 3, the distance between the farthest side surfaces 2C and 2D of the locking pieces 2A and 2B is substantially equal to the length of the long sides 20B and 20C of the oval through hole 20A. One locking piece 2A locks along one end of the long side 20B, and the other locking piece 2B locks the long side 2C of the long side 20C.
The locking portion 10B is stably locked in the oval through-hole 20A by locking along the end on the position side far from the one end of the OB.

The clamp 10 thus attached to the vehicle body panel 20 is detached from the vehicle body panel 20 as follows.

First, it is attached to the wire harness W / H,
The locking pieces 2A, 2B erected on the substrate 1 are
The clamp 10 (FIG. 4 (A)) inserted and locked into the oval through hole 20A is moved in the direction of the arrow X together with the wire harness W / H, and the locking pieces 2A, 2B are erected. The substrate 1 is moved in parallel to the vehicle body panel 20,
The support 3 of the locking piece 2B is pulled away from the inner surface of the long side 20C of the through hole 20A to release the locking of the locking claw 4 (FIG. 4).
(B)). Then, at the same time, the flexible strut 3 of the locking piece 2A bends with the inner surface of the long side 20B of the oval through hole 20A as a fulcrum, and the locking of the locking claw 4 is released (FIG. 4).
(B)).

Subsequently, as shown in FIG. 4C, the clamp 10 is moved together with the wire harness W / H by the arrow Y in the figure.
When the board 1 on which the locking pieces 2A, 2B are erected is lowered vertically downward and lowered, the locking pieces 2A, 2B
Drop out of the oval through hole 20A, and the clamp 10
Can be removed from the vehicle body panel 20.

When the board 1 on which the locking pieces 2A, 2B are erected is moved in the opposite direction to release the locking of the locking claw 4 of the locking piece 2A, Locking piece 2B
Is bent with the side surface of the long side 20C of the oblong through hole 20A as a fulcrum, and the locking of the locking claw 4 is released. Therefore, also in this case, the clamp 10 can be removed from the vehicle body panel 20 by lowering and lowering the board 1 on which the locking pieces 2A, 2B are erected vertically downward.

FIGS. 5 and 6 show a second embodiment. The wire harness mounting portion 30A of the clamp 10 according to the first embodiment is connected to the wire harness mounting portion 30A of the clamp 30 according to the first embodiment.
The rectangular substrate 1 is fixed to the upper surface of a band lock portion (not shown) of the wire harness attachment portion 30A, and the locking pieces 12A, 12B, 12C are erected on the upper surface of the substrate 1 so that the vehicle body panel 40 An engaging portion 30B is formed to the oval through hole 40A. An elliptical dish-shaped panel holding portion 5 extends obliquely upward from the entire periphery of the side surface of the substrate 1. The major axis of the oval through hole 40A of the vehicle body panel 40 is longer than the major axis of the oval through hole 20A of the vehicle body panel 20 of the first embodiment.

Each of the locking pieces 12A to 12C has a configuration in which a locking claw 4 is provided at the tip of a flexible prism-shaped column 3 and stands upright with respect to the surface of the substrate 1. The locking pieces 12A and 12C are erected on one of two parallel axes running at intervals slightly smaller than the length of the short axis of the oval through hole 40A in the surface of the substrate 1. ,
A locking piece 12B stands on the other axis. Locking piece 1
2A to 12C are spaced apart in this order at a substantially equal distance in the axial direction.

FIG. 6 shows a state in which the locking pieces 12A to 12C are inserted and locked in the oval through hole 40A of the vehicle body panel 40, and the locking piece 12B is one of the oval through holes 40A. The locking piece 1 is locked substantially along the center of the long side 40C.
2A and the locking piece 12C are locked along both ends of the other long side 40B of the oval through hole 40A.

In such a clamp 30 as well, the clamp 30 is moved together with the wire harness W / H, and the substrate 1 on which the locking pieces 12A to 12C are erected is mounted on the vehicle body panel 4.
0 to release the locking of the locking claws 4 of the locking pieces 12A and 12C.
Is bent with the inner surface of the long side 40C of the oblong through hole 40A as a fulcrum, and the locking of the locking claw 4 is released. When the parallel movement is performed to release the locking of the locking claw 4 of the locking piece 12B, at the same time, the struts 3 of the locking pieces 12A and 12C make the inner surface of the long side 40B of the oval through hole 40A a fulcrum. And the locking of the locking claw 4 is released), and subsequently, the locking pieces 12A to 12C
When the substrate 1 on which the erection is made is vertically lowered and lowered, the locking pieces 12A to 12C fall out of the oval through holes 40A, and the clamp 10 can be removed from the vehicle body panel 20.

FIG. 7 shows a third embodiment. In the present embodiment, an oblong through hole 50A formed in the vehicle body panel 50
Is longer than the long axis of the oval through hole 40A formed in the vehicle body panel 40 of the second embodiment. Four locking pieces 22A are provided on the board of the locking portion of the clamp.
To 22D, the locking pieces 22A and 22D are locked along both ends of one long side 50C of the oval through hole 50A, and the locking pieces 22B and 22C are connected to the oval through hole 50A. The clamp is attached to the vehicle body panel 50 by being locked along both sides of the center of the other long side 50B.

The removal of the clamp is performed by the locking pieces 22A-2
The board on which the 2D is erected is moved in the direction perpendicular to the long axis of the oblong through-hole 50A parallel to the vehicle body panel 50 to release the locking of the locking pieces 22A to 22D, and to continue. Then, the substrate can be removed from the vehicle body panel 50 by lowering and lowering the substrate in the vertical direction with respect to the vehicle body panel 50.

As shown in the first and third embodiments, when the mounting hole of the clamp of the vehicle body panel is a through hole having a long axis and a single axis such as an oval through hole, flexibility is increased. A plurality of locking pieces provided with locking claws at the tips of abundant small-diameter pillars are erected on the board of the locking portion, and one or more locking pieces are provided on both of the long sides of the through hole facing each other. Are locked so that a stable locking force can be obtained. Each locking piece should not be too large in diameter so that it can be easily bent when detached from the vehicle body panel, and the number and position of locking pieces are stable in the long axis direction of the through hole. It is appropriately determined according to the length of the long axis of the through hole so that the locking force is obtained. Also, the locking margin of each locking piece should be as small as possible within a range where a stable locking force can be obtained, so that the engaging side on the side where the supporting column is bent and the locking claw is released is securely pulled out of the hole. preferable.

FIGS. 8 and 9 show a fourth embodiment. In the present embodiment, locking pieces 33A and 33B erected on the substrate 1 of the locking portion 10C of the clamp are inserted and locked into a through hole 60A having a perfect circular shape formed in the vehicle body panel 60. The locking pieces 33A and 33B have the locking claws 4 erected in the vicinity of the opposing short sides of the surface of the substrate 1 so as to face outward by 180 ° opposite to each other. Lock along opposite sides (FIG. 9). At the time of this locking, the plate-like panel holding portion 15 extending obliquely upward from the entire side surface of the substrate 1 pushes the lower surface of the vehicle body panel 60 upward.

Removal of the clamp is performed as follows. When the board 1 on which the locking pieces 33A, 33B are erected is moved in the longitudinal direction of the board 1 in parallel with the vehicle body panel 60, one of the locking pieces 33A, 33B
The locking pawls 4 are disengaged by moving in parallel from the inner surface of 0A, and the locking pawls 4 are released from the surface of the vehicle body panel 60 due to the bending of the struts 3 on one of the other sides, and the locking is released. . Subsequently, when the substrate 1 is lowered and lowered in the vertical direction, the through holes 60A
The locking pieces 33A and 33B come off from the holes. In this embodiment,
As a matter of course, the size of the through hole 60A and the size of the locking pieces 33A and 33B in the shape of a perfect circle are adjusted when the support of one locking piece is flexed by the movement of the substrate 1. Are made so as not to come into contact with the other locking piece.

In the above embodiment, the clamp inserted and locked in the oval through hole and the clamp inserted and locked in the perfect circular through hole have been described. However, a rectangular through hole (square hole) and the like are described. It goes without saying that the present invention can be applied to a clamp that is inserted and locked in a through hole of another shape.

Further, in the above embodiment, the clamp is attached to the wire harness by a band that is wound around the wire harness and fastened and fixed, but may be constituted by a substrate that is wound around the wire harness by tape and fixed.

[0033]

As described above, according to the clamp of the present invention, the simple operation of moving the wire harness in parallel to the vehicle body panel and then lowering and lowering it vertically to the vehicle body panel is achieved. Without the need for great power,
It can be removed from the through hole in the vehicle body panel. Also,
The structure is simple, and the work of locking to the vehicle body panel can be easily performed. Also, no special jig for removal is required, and the versatility is excellent.

[Brief description of the drawings]

FIG. 1 is a perspective view of a clamp according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state where the clamp of FIG. 1 is inserted and locked in a through hole of a vehicle body panel.

FIG. 3 is a plan view showing a state where the clamp of FIG. 1 is inserted and locked in a through hole of a vehicle body panel.

FIGS. 4A, 4B, and 4C are cross-sectional views showing steps of removing a clamp from a through hole of a vehicle body panel.

FIG. 5 is a perspective view of a clamp according to a second embodiment of the present invention.

6 is a plan view showing a state where the clamp of FIG. 5 is inserted and locked in a through hole of a vehicle body panel.

FIG. 7 is a plan view showing a state where the clamp according to the second embodiment of the present invention is inserted and locked in a through hole of a vehicle body panel.

FIG. 8 is a perspective view of a clamp according to a fourth embodiment of the present invention.

9 is a plan view showing a state where the clamp of FIG. 8 is inserted and locked in a through hole of a vehicle body panel.

[Explanation of symbols]

 W / H Wire harness 1 Board 2A, 2B Locking piece 3 Prop 4 Locking claw 5 Plate thickness adjusting part 6 Band lock part 7 Band part 10 Clamp 10A Wire harness mounting part 10B Locking part 20 Panel 20A Through hole

Claims (5)

[Claims] A first locking piece having a locking claw protruding in a first direction from a front end side surface of a flexible post on a substrate fixed to a portion to be attached to an automobile wire harness; One or more second locking pieces, each having a locking claw protruding in a second direction 180 ° opposite to the first direction, are erected to form a locking portion to a through hole of a vehicle body panel. A clamp formed, wherein the locking portion is configured to insert the first and second locking pieces into the through holes of the vehicle body panel and lock the substrate together with the wire harness for an automobile in parallel with the vehicle body panel. When one of the first locking piece and the second locking piece is pulled away from the inner surface of the through hole to release the locking of the locking claw, The other one of the first locking piece and the second locking piece has a column supporting the inner peripheral surface of the through hole. And the first and second locking pieces fall out of the through-holes when the locking claw is released and the locking claw is released, and then the substrate is vertically lowered and lowered. And clamp. 2. The method according to claim 1, wherein the through hole is an elongated through hole, and the locking portion stands one or more first locking pieces on a first axis in the substrate surface. On the other hand, one or a plurality of the second locking pieces are erected on a second axis running parallel to the first axis at a predetermined interval in the substrate surface, and The second locking piece locks to the other long side of the through hole of the long hole, while the locking piece locks to the one long side of the through hole of the long hole. ,
When the substrate is moved in a direction perpendicular to the long side of the through hole in parallel with the vehicle body panel together with the automobile wire harness, the locking of the first and second locking pieces is released. The clamp of claim 1, wherein: 3. The first locking piece stands upright at a first position on a first axis in the substrate surface, while the second locking piece is mounted on a second axis in the substrate surface. While standing at a second position axially separated from the first position on the line, the first locking piece locks along the end of one long side of the through hole of the long hole, The structure according to claim 2, wherein the second locking piece is configured to lock along an end of the other long side of the through hole of the elongated hole that is farther from the end of the one long side. Clamp. 4. The first locking piece stands upright at a first position on a first axis in the substrate surface, while the second locking piece is mounted on the first axis in the substrate surface. The second parallel to
The first position on the axis line is set up at a second position separated to one side in the axial direction and a third position separated to the other side in the axial direction, and the first locking piece is an elongated hole. A configuration in which the two second locking pieces are locked along both ends of the other long side of the through hole of the long hole while locking along a substantially central portion of one long side of the through hole. The clamp according to claim 2, wherein the clamp is provided. 5. The clamp according to claim 1, wherein the mounting portion of the wire harness is formed of a band that is wound around the wire harness and fixed thereto, or a substrate that is wound around and fixed to the wire harness by tape.