JPH11201123A - Clamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily remove a clip from a panel without damaging the clip by rotating the clip and perform repeated use thereof. SOLUTION: This clamp consists of a stem 11, and a pair of flexible lock arms 12 and 12 in an inverted V-shape. A lock step part 13 formed at the tip of each flexible lock arm 12 comprises a clip 10 locked at the mounting hole Q of a panel P; and a mounting part 20 having the clip 10 arranged in a protruding state and mounting a amber to be assembled being assembled to the panel P. In a so formed clamp 1, the stem part 11 of a mounting part 20 is rotatably supported at the mounting part 20, and an engaging part 24 is provided to vary a bending amount of each flexible lock arm 12 is arranged around the shaft part 11 of the mounting part 20. Meanwhile, the tip 13a side of each lock step part 13 is extended long enough to allow engagement of it with the engaging part 24. The engaging part 24 consists of an oval recessed engaging hole.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin clamp for mounting a member such as a wire harness to a panel of a vehicle or the like.

[0002]

2. Description of the Related Art FIG.
There is one shown in FIG. This clamp 1 ′ is
And a pair of flexible locking arms 4 and 4 having an inverted V-shape, and a locking step portion 5 integrally formed at the tip of each flexible locking arm 4.
A clip 2 made of synthetic resin, which is locked in the mounting hole Q of the panel P for a vehicle, and the clip 2 is formed integrally with the wire harness W to be assembled to the panel P.
And a flat T-shaped mounting portion 6 made of a synthetic resin for mounting.

When the wire harness W is assembled to the panel P by locking the clip 2 of the clamp 1 'in the mounting hole Q of the vehicle panel P, a pair of flexible locking arms 4 of the clip 2 are used. , 4 are bent toward the shaft portion 3 and inserted into the mounting holes Q of the panel P, and then, as shown in FIG. And fixed to the periphery of the mounting hole Q. When the wire harness W is to be removed from the panel P for maintenance or the like, the pair of flexible locking arms 4 and 4 of the clip 2 are bent toward the shaft portion 3 so that each of the flexible locking arms 4 and 4 The locked state of the locking step 5 of the flexible locking arm 4 is released.

A similar technique relating to the clamp 1 'is disclosed in Japanese Utility Model Laid-Open No. 5-59077.

[0005]

However, in the conventional clamp 1 ', the gap L between the mounting portion 6 and the panel P is small, and a pair of flexible members of the clip 2 are formed by using a pressing jig or the like. Since it is difficult to press the retaining arms 4 and 4 toward the shaft portion 3 to bend, it is very difficult to remove the clamp 1 ′ from the panel P after the clip 2 is locked to the panel P. Therefore, if it becomes necessary to remove the clamp 1 'from the panel P due to maintenance or the like, the clip 2 must be forcibly removed from the mounting hole Q of the panel P. At this time, the clip 2 is broken, and the same clamp 1' Could not be used repeatedly.

Accordingly, the present invention has been made to solve the above-mentioned problem, and can be easily removed from a panel by rotating the clip. Further, since the clip can be removed without breaking, the clip can be used repeatedly. It is an object to provide a clamp that can do this.

[0007]

According to the first aspect of the present invention, a shaft portion and a pair of flexible V-shaped flexible locking arms are formed at the distal end of each flexible locking arm. Wherein the clip is provided with a clip in which the locking step portion is locked in a mounting hole of the panel, and a mounting portion for projecting the clip and mounting a member to be mounted which is mounted on the panel. Are rotatably supported by the mounting portion, and an engaging portion is provided around the shaft portion of the mounting portion for varying the amount of bending of each of the flexible locking arms. The front end of the portion is extended to engage with the engaging portion.

In this clamp, when the clip is rotated, the direction in which each flexible locking arm approaches the shaft portion by the engagement between the tip of the locking step portion of each flexible locking arm and the engaging portion. And bends away. When each flexible locking arm bends in the separating direction, the locking step of each flexible locking arm is locked in the mounting hole of the panel, and each flexible locking arm moves in the approaching direction. When bent, the locking state of the locking step of each flexible locking arm in the mounting hole of the panel is released. This facilitates attachment and detachment of the clamp to and from the mounting hole of the panel, and prevents breakage of the clip, enabling repeated use.

According to a second aspect of the present invention, there is provided the clamp according to the first aspect, wherein an elliptical concave engaging hole is formed around the shaft portion of the mounting portion as the engaging portion.

[0010] In this clamp, the engaging portion is formed by a simple shape, and the clip is moved, for example, 90 degrees in the forward and reverse directions.
By a simple operation of rotating by degrees, the locking step of each flexible locking arm can be easily locked into and unlocked from the mounting hole of the panel.

According to a third aspect of the present invention, there is provided the clamp according to the first aspect, wherein a rotating disk portion is provided at a lower end of a shaft portion of the clip, and an operating portion is provided on a lower surface of the disk portion. And

In this clamp, the clip of the clamp is easily rotated by the operation portion of the disk portion, so that the clip of the clamp is easily broken from the mounting hole of the panel without using a conventional pressing jig or the like. Removed. This allows the clamp to be used repeatedly.

[0013]

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

FIG. 1 is a sectional view showing a state in which a clamp according to an embodiment of the present invention is locked to a panel, FIG. 2 is a perspective view of the clamp, FIG. 3A is a perspective view of a clip used in the clamp, FIG. 3B is a bottom view of the clip, and FIG.
FIG. 4B is a cross-sectional view illustrating a state where the clip is locked in a mounting hole of the panel, and FIG. 4B is a cross-sectional view illustrating a state where the clip is removed from the mounting hole of the panel.

As shown in FIGS. 1 and 2, the clamp 1
A locking step 13 formed of a shaft 11 and a pair of flexible V-shaped flexible locking arms 12, 12 protruding from the distal end of each flexible locking arm 12 is provided for a vehicle. A clip 10 made of synthetic resin which is locked and detached from the mounting hole Q of the panel P, and which rotatably supports and protrudes the clip 10 and a wire harness (a member to be assembled) which is assembled to the panel P. 2) A flat T-shaped mounting portion 2 made of synthetic resin for mounting W
0.

As shown in FIGS. 1 and 3 (a), a shaft portion 11 of the clip 10 has a rectangular plate shape, and a pair of flexible locking arms 12, 12 are provided on an upper portion thereof. It is integrally formed so as to form a shape. A locking step 13 integrally formed at the tip of each flexible locking arm 12 extends to a middle position of the shaft 11. Further, a pair of restricting portions 14 for preventing vertical displacement are integrally formed at a lower portion of the shaft portion 11 so as to be orthogonal to the shaft portion 11. Has a rotating disk portion 15 integrally formed or fixed by an adhesive or the like. As shown in FIG. 3B, a rod-shaped operating portion 16 is integrally formed on the lower surface 15a of the disk portion 15.

As shown in FIG. 2, the attaching portion 20 includes a harness attaching portion 21 for attaching a wire harness W to a lower surface (other surface) 21b side by a binding tape (not shown), and a center of one side of the harness attaching portion 21. Is formed integrally with the
The clip support portion 22 that rotatably supports the shaft portion 11 of the clip 10 has a flat T-shape.

As shown in FIGS. 1 and 2, the upper and lower surfaces (one surface, the other surface) 22a,
A round hole 23 penetrating through 22b is formed. This round hole 2
In the middle of 3, there is formed a lateral groove 23 a for accommodating each of the restricting portions 14 of the shaft 11 of the clip 10, and a circular hole for accommodating the disc 15 of the shaft 11 at the lower end of the round hole 23. A recess 23b is formed. The lateral groove 23 of this round hole 23
The clip 10 is rotated by the clip support portion 22 of the mounting portion 20 by accommodating the respective regulation portions 14 of the shaft portion 11 in the a and the disc portion 15 of the shaft portion 11 in the circular recess 23b of the round hole 23. It is supported freely and freely.

Around the round hole 23 on the upper surface 22a of the clip supporting portion 22, an elliptical concave engaging hole (engaging portion) 24 for varying the amount of bending of each of the flexible locking arms 12, 12 is provided. Has been drilled. Peripheral surface of this elliptical concave engagement hole 24 (the longer diameter portion is denoted by reference numeral 24a and the shorter diameter portion is denoted by 24b, respectively)
Each locking step 13 of the pair of flexible locking arms 12
Is slid in contact with the front end 13a of the head. More specifically, as shown in FIG. 4 (a), a pair of flexible locking arms 12 are provided on both sides of the long diameter portion 24a of the peripheral surface of the elliptical concave engagement hole 24. When the distal end 13a is in contact, each of the flexible locking arms 12 bends and deforms in a direction away from the shaft portion 11 side.
As shown in (b), the distal end 13a of each locking step 13 of the pair of flexible locking arms 12, 12 abuts on both sides of the short diameter portion 24b of the peripheral surface of the elliptical concave engagement hole 24. In this case, each of the flexible locking arms 12 bends and deforms in a direction approaching the shaft portion 11 side. That is, when each flexible locking arm 12 bends in the direction away from the shaft portion 11, the locking step 13 of each flexible locking arm 12 is locked in the mounting hole Q of the panel P. In addition, when each flexible locking arm 12 bends in a direction approaching the shaft portion 11, the engagement of the locking step portion 13 of each flexible locking arm 12 to the mounting hole Q of the panel P is performed. The stop state is released.

Note that, as shown in FIG.
On both sides of the upper surface (the other surface) 21a of the device 1, a projection 21c is formed as a single piece, which also serves as a function of preventing a binding tape (not shown) from winding and fixing the wire harness W and abutting against the panel P. Upper surface 22a of clip support 22
The projections 22c as abutting portions of the panel P are also integrally formed on both sides of the panel P. Further, the diameter of the circular mounting hole Q of the panel P is equal to the long diameter portion 2 of the peripheral surface of the engagement hole 24 of the clip support portion 22.
4a is substantially the same diameter as the mounting hole Q of the panel P.
The base end of the locking step 13 at the boundary between each flexible locking arm 12 and the locking step 13 is locked to the peripheral edge of the arm.

According to the clamp 1 of the embodiment described above, when the clip 10 of the clamp 1 is engaged with the mounting hole Q of the panel P to attach the wire harness W to the panel P,
The distal ends 13a of the locking steps 13 of the pair of flexible locking arms 12, 12 of the clip 10 are located on both sides of the long diameter portion 24a of the peripheral surface of the elliptical concave engagement hole 24 of the harness mounting portion 21. In this state, the pair of flexible locking arms 12, 12 are bent toward the shaft portion 11 to be inserted into the mounting holes Q of the panel P, and thereafter, as shown in FIG. 1 and FIG. The base end of the locking step 13 of the flexible locking arm 12 is locked and fixed to the periphery of the mounting hole Q of the panel P.

When the wire harness W is detached from the panel P for maintenance or the like, the disk of the clip 10 is moved from the state shown in FIG. 1 in the direction shown by the arrow S in FIGS. 3B and 4A. The clip 10 is rotated 90 degrees by manually operating the rod-shaped operation unit 16 of the unit 15. Then, a pair of flexible locking arms 12 of the clip 10,
The front end 13a of each locking step 13 of the harness mounting portion 2
As shown in FIG. 4 (b), the elliptical concave engagement hole 24 slides from the long diameter portion 24a to the short diameter portion 24b side of the peripheral surface of the engagement hole 24, and as shown in FIG. 12 is bent in a direction approaching the shaft portion 11 side. Thereby, the mounting hole Q of the panel P
The locking state of the locking step 13 of each flexible locking arm 12 of the clip 10 on the periphery of the clip 10 is easily released, and the clamp 1 can be easily removed from the mounting hole Q.

As described above, the simple operation of rotating the clip 10 by 90 degrees in the normal and reverse directions through the operation unit 16 allows the distal end 13a of the locking step 13 of each flexible locking arm 12 of the clip 10 to be moved. Each of the flexible locking arms 12 is bent and deformed in a direction approaching to the shaft portion 11 side and in a direction away from the panel portion P by the engagement of the elliptical concave engaging portion 24 of the clip mounting portion 22 with the clip P.
Of the clip 10 into the mounting hole Q of the panel 10 can be easily locked and unlocked by the locking step 13 of each flexible locking arm 12 of the clip 10. 10
Can be easily attached and detached. In particular, when removing the clip 10 of the clamp 1 from the mounting hole Q of the panel P,
It is not necessary to use a conventional pressing jig or the like, and the clip 10 of the clamp 1 can be easily removed from the mounting hole Q of the panel P without breaking. As a result, the clamp 1 can be used repeatedly, and the overall cost can be reduced.

According to the embodiment, the clip 10
The engaging portion for varying the amount of bending of each flexible locking arm 12 is an elliptical concave engaging hole 24, and the operating portion 16 of the disk portion 15 of the clip 10 is formed in a rod shape. a),
As shown in (b), the engaging portion for varying the amount of bending of each flexible locking arm 12 is an elliptical engaging projection 24 ′, and is integrally formed on the lower surface 15 a of the disk portion 15. The operation unit 16 'may be formed in a cross shape. In this case, the same operation and effect as those of the above embodiment can be obtained.

[0025]

As described above, according to the first aspect of the present invention, the clamp is constituted by the clip and the mounting portion which rotatably supports the clip, and the clip is rotated to allow each flexible portion of the clip to rotate. Each of the flexible locking arms can be flexibly deformed in a direction approaching the shaft portion side and in a direction away from the shaft portion by the engagement of the tip of the locking step portion of the sex locking arm and the engaging portion of the mounting portion. The clip of the clamp can be easily attached to and detached from the mounting hole. In particular, when the clip of the clamp is removed from the mounting hole of the panel, the clip does not need to be broken, so that the clamp can be used repeatedly.

According to the second aspect of the present invention, since the engaging portion for varying the amount of bending of each flexible locking arm of the clip is formed as an elliptical concave engaging hole, the clip can be rotated 90 degrees in the forward and reverse directions, for example. With a simple operation of rotating, the locking step of each flexible locking arm to the mounting hole of the panel can be easily locked and unlocked.

According to the third aspect of the present invention, the clip can be easily rotated by operating the operating portion of the disk provided at the lower end of the shaft of the clip, so that the conventional pressing jig can be used. The clamp can be easily removed from the mounting hole of the panel without using a tool or the like without breaking the clip of the clamp. As a result, the clamp can be used repeatedly, and the overall cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a state where a clamp according to an embodiment of the present invention is locked to a panel.

FIG. 2 is a perspective view of the clamp.

FIG. 3A is a perspective view of a clip of the clamp,
(B) is a bottom view of the clip.

4A is a cross-sectional view showing a state in which the clip of the clamp is locked in a mounting hole of the panel, and FIG. 4B is a cross-sectional view showing a state in which the clip is removed from the mounting hole of the panel.

FIG. 5A is a cross-sectional view showing a state in which a clamp according to another embodiment of the present invention is locked to a panel, and FIG. 5B is a bottom view of the clamp.

6A is a perspective view of a conventional clamp, and FIG. 6B is a cross-sectional view showing a state where the clamp is locked to a panel.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Clamp 10 Clip 11 Shaft part 12 and 12 A pair of flexible locking arms 13 Locking step part 13a Tip 15 Disk part 15a Lower surface 16, 16 'Operating part 20 Mounting part 24 Oval concave engaging hole (engaging part) ) 24 'elliptical annular engaging projection (engaging portion) P panel Q mounting hole W wire harness (assembled member)

Claims (3)

[Claims] 1. A shaft and an inverted V-shaped pair of flexible locking arms, and a locking step formed at a distal end of each flexible locking arm is provided in a mounting hole of the panel. A clamp comprising: a clip to be locked; and a mounting portion for protruding the clip and mounting a member to be mounted to the panel, wherein a shaft portion of the clip is rotatably supported by the mounting portion. And
An engagement portion is provided around the shaft portion of the mounting portion for varying the amount of flexure of each of the flexible locking arms, while the distal end of each of the locking step portions is engaged with the engagement portion. A clamp characterized by being extended. 2. The clamp according to claim 1, wherein an elliptical concave engaging hole is formed around the shaft portion of the mounting portion as the engaging portion. 3. The clamp according to claim 1, wherein a rotating disk portion is provided at a lower end of a shaft portion of the clip, and an operation portion is provided on a lower surface of the disk portion.