JPH11150840A - Band clamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate special materials such as a slitted tape, etc., by which a group of optional branch lines are fixed to a trunk line, easily fix the group of optional branch lines which branched from the trunk line to the trunk line when a wiring harness is manufactured, and furthermore, easily separate the group of optional branch lines from the trunk line for necessary, when the wiring harnesses is incorporated into a chassis. SOLUTION: A function which can hold a group of optional branch lines so as to be freely detachable is added to a band clamp, which is wound around the outer circumference of a wiring harness in order to incorporate a wiring harness into a chassis. An elastic flat thin piece 51 which is made to protrude obliquely upward from the surface of the band part 50A of the band clamp 50 and folded back into a U-shape, and furthermore whose tip 51a is warped to have its front part 51b and the tip part 51a abutted against the band surface 52 to form a branch line holding part 50D.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a band clamp for wrapping around a wire harness to be routed on an automobile and fixing the wire harness to a vehicle body. The purpose of the present invention is to enable an optional branch wire group to which a connector is connected to be held in a band portion.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 10, in a wire harness W / H for an automobile, a branch wire group 11 for an option in which an option connector 12 composed of a female connector is connected to a terminal branching from a main line 10 is connected. The main line 10 is manufactured by winding it around an outer peripheral surface of the main line 10 with an adhesive vinyl tape T having a slit.

[0003] The wire harness W / H provided with the optional branch wire group is used for the following applications. For example, when assembling a vehicle whose airbag equipment is not a standard specification but an optional specification, when assembling a vehicle that does not have an airbag, the wire harness W / H is assembled in the vehicle body and the optional The assembly of the vehicle is completed without removing the branch wire group 11 from the trunk line 10. In the assembly line of the vehicle equipped with the airbag, the wire harness W / H is assembled in the vehicle body, and then the slit tape T is cut. Main line 1
The auxiliary wire group 11 for the option is removed from 0, and the optional connector 12 of the terminal is fitted to the male connector on the side of the air bag operating device in the vehicle to complete the assembly of the vehicle by routing the branch wire group 11. I have.

[0004]

By the way, in the line where the group of optional branch wires 11 is detached from the main line 10, and the optional connector 12 of the terminal is fitted to the mating male connector in the vehicle and assembled, Usually, an operator manually cuts the slit tape T as shown in FIG. For this reason, the tape waste T
-1 may stick or the tape waste T-1 may remain in the vehicle body. When the tape waste T-1 sticks to the operator's hand, the workability of the worker is reduced, and when the tape waste T-1 remains in the vehicle body, it is uncomfortable when the purchaser of the car detects this. Will be given.

On the other hand, when a wire harness manufacturer manufactures a wire harness having the above-described optional branch wire group, an operator manually places the optional branch wire group 11 on the outer periphery of the main wire of the wire harness. Wound with tape T with slit. This work is performed by first placing the optional connector of the terminal on the trunk of the wire harness, and winding the branch wire group around the trunk with the slit tape T in this state. Therefore, it is necessary to perform the tape winding operation while paying attention so that the optional connector does not drop from the trunk line of the wire harness.

The present invention has been made in view of the above circumstances, and does not require special materials for fixing an optional branch wire group such as a tape with a slit to a trunk line. Can be easily fixed to the main line of the branch wire for options branching off from the main line, and when assembling the wire harness to the vehicle body,
The purpose of the present invention is to make it possible to easily separate the optional branch wire group from the main line.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides an optional branch wire group on a band clamp wound around the outer periphery of a wire harness for assembling the wire harness to a vehicle body. A function of adding a detachable holding function, wherein a band portion wound around the outer periphery of the wire harness and a band end provided at the rear end of the band portion and wound around the wire harness are inserted and fixed. And a clamp protruding from the band lock portion and locking to a vehicle body panel or the like of the automobile, and a branch wire group in which an optional connector is connected to the terminal of the trunk line of the wire harness is branched. A band clamp wound around and fixed to the outer periphery near the branch portion, wherein the wire harness is relatively close to the rear end of the band portion. Provides a band clamp, characterized in that the projecting from the resilient piece for detachably holding the branch wire group.

More specifically, an elastic piece for detachably holding the above-mentioned branch wire group is projected obliquely upward from the band surface and folded back into a U-shape. It is composed of a plate-like thin piece abutted on the band surface (claim 2). In this configuration, since the clip is formed by the plate-shaped flake and the band, the branch-wire group can be easily held by inserting the branch-wire group between the plate-shaped flake from the tip side thereof, and the branch-wire group By pulling the wire toward the distal end, the branch wire group can be easily removed.

An elastic piece for detachably holding the branch wire group is erected on the surface of the band, and is bent into two wavy shapes in which a convex bent portion at a substantially intermediate height position is brought into contact. It is constituted by a rod-shaped piece (claim 3). In this configuration, by pushing the branch wire group from between the upper ends of the two wavy rod-shaped pieces, the branch wire group can be easily held at the root between the two wavy rod-shaped pieces, and the branch wire group is moved upward. , The branch electric wire group can be easily removed.

[0010] Further, an elastic piece for detachably holding the above-mentioned branch wire group is formed by two rod-shaped pieces which are erected on the band surface such that their intermediate portions intersect with each other and have a spherical convex portion at the tip. (Claim 4). In this configuration,
By bending the two rod-shaped pieces outward and separating them, inserting and closing the branch line group, the branch line group can be easily held, and the branch line group can be easily pulled up by pulling up the branch line group. Can be removed.

Further, elastic pieces for detachably holding the branch wire group are erected at opposite ends in the width direction of the band surface, and the upper halves thereof are hook-shaped in directions opposite to each other in the band length direction. It is constituted by two rod-shaped pieces bent in the following manner. In this configuration, the branch electric wire group can be easily held by inserting the branch electric wire group so as to hang over the base of the two rod-shaped pieces from above the two rod-shaped pieces, and the branch electric wire group can be divided into two rod-shaped pieces. By pulling up the wire away from the base of the piece, the branch wire group can be easily removed.

Further, an elastic piece for detachably holding the branch wire group is erected in the band thickness direction from opposing portions of both side surfaces of the band, and upper halves thereof are hooked in opposite directions in the band length direction. It is constituted by two rod-shaped pieces bent in a shape (claim 6). With this configuration, it is possible to easily hold and remove the branch wire group by the same operation as the above (claim 5).

Further, elastic pieces for detachably holding the above-mentioned branch wire group are provided at opposing positions on both sides of the band, with their roots being continuous with the side surfaces of the band, and have a wavy shape from the root to the tip. It is constituted by two bar-shaped pieces bent in the manner described above. In this configuration, since the clip is formed by the two wavy rod-shaped pieces and the band, the branch wire group can be easily held by inserting the branch wire group between the rod-shaped pieces from the tip side thereof, and By pulling the group of branch wires toward the distal ends of the two wavy rod-shaped pieces, the group of branch wires can be easily removed.

When the above-described band clamp of the present invention is wound around an outer periphery near a branch portion where a branch wire group in which an optional connector is connected to an end of a main line of a wire harness is branched, an optional device is provided on a wire harness manufacturing line. Can be easily held on the band portion of the band clamp, and in the assembly line of the vehicle to which the wire harness is shipped, the above-mentioned optional branch wire group is removed from the band portion of the band clamp. In addition, the wire harness can be easily separated from the trunk line without generating unnecessary debris such as tape debris as in the related art.

[0015]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a band clamp according to a first embodiment of the present invention. The band clamp 50 includes a band portion 50A wound around the outer periphery of the wire harness, a band lock portion 50B provided at a rear end of the band portion 50A, and inserting and fixing a tip of the band wound around the wire harness; Clamp 50C protruding from the upper surface of 50B and locked to a body panel or the like of an automobile
Protruding from the relatively rear end surface of the band portion 50A,
A branch line holding portion 50D is provided for detachably holding a group of branch line wires for an option, which branches off from the trunk line of the wire harness and has an optional connector connected to the terminal.

As shown in the side view of FIG. 2, a holding portion 50D for holding a group of branch wires for options of the above-mentioned wire harness is projected obliquely upward from the surface of the band portion 50A and folded in a U-shape. It is made of an elastic plate-like thin piece 51 in which the front end 51a is bent upward and the front portion 51b of the front end is in contact with the band surface 52. Note that the band lock unit 5
The disk portion 50d at the upper part of the OB is an absorbing plate that absorbs a change in the thickness of the vehicle body panel when the clamp 50C is fitted into the mounting hole of the vehicle body panel and locked.

When the wire harness is manufactured, the band clamp 50 is firstly connected to the main wire 6 of the wire harness (W / H).
The band portion 50A is wound around and fixed to a branch portion where the option branch wire group 62 in which the option connector 63 is connected to the terminal 1 is branched (FIG. 3). Then, it is inserted and held in a branch line holding portion 50D composed of a plate-like thin piece 51 protruding from the band portion 50A (FIG. 4).

As described above, the plate-like thin piece 51 projects obliquely upward from the surface of the band portion 50A and is folded back in a U-shape. Further, the tip is bent upward and the front portion of the tip is brought into contact with the surface of the band portion 50A. 52, and the front end portion 51b of the U-shaped bent portion is used as a fulcrum.
It is biased to the 0A surface. Therefore, it functions as a clip with the surface of the band portion 50A, and the branch wire group 62 is easily held by inserting the branch wire group 62 between the plate-shaped thin piece 51 and the surface of the band portion 50A from the tip side of the plate-shaped thin piece 51. can do. Further, after the holding, the front end portion 51b of the tip urges the band surface 52, so that the branch wire group 62 does not easily come off.

With the optional branch wire group 62 fixed to the trunk line as described above, the wire harness (W /
H) is shipped, and assembled into the vehicle body by fitting a band clamp attached at a predetermined position by an automobile manufacturer into a through hole of the vehicle body panel. In this assembling process, when the vehicle to be assembled is a vehicle of a grade that uses the optional branch wire group 62, the operator replaces the optional branch wire group 62 held by the branch holding portion 50D of the band clamp 50. The terminal is slid and pulled out from the distal end side of the branch line holding plate-shaped thin piece 51, and the optional connector 63 of the terminal is fitted to the male connector on the operating device side in the vehicle.
At this time, the branch wire group 62 can be easily pulled out.

As described above, the band clamp 50A is wound around the outer periphery near the branch portion where the optional branch wire group 62 of the main line 61 of the wire harness (W / H) branches. In addition, in the assembly line of the vehicle to which the wire harness is shipped, unnecessary dust such as tape scum and the like may be generated on the optional branch wire group 62 as in the related art. No, the (W /
H) It can be easily detached from the main line 61.

The branch line holding portion that elastically holds the group of optional branch line wires projecting from the band portion of the band clamp can be changed to various configurations. 5 to 9 show the second to fifth embodiments of the present invention.
16 shows a branch line holding portion protruding from a band portion of the band clamp of the sixth embodiment. In FIG. 5, two wavy bent bar-shaped pieces 71A and 71B are erected on the surface of the band portion 50A such that the protruded bent portions 72A and 72B at substantially intermediate height positions are in contact with each other. In this configuration, by pushing the branch wire group from between the upper ends of the two wavy rod-shaped pieces 71A and 71B, the branch wire group can be easily held at the base between the two wavy rod-shaped pieces, and By pulling up the group, the branch line group can be easily removed.

FIG. 6 shows two rod-like pieces 74A, 74A having a spherical projection 73 formed on the surface of the band 50A.
4B is configured to be erected such that the intermediate portions thereof intersect. In this configuration, the two bar-shaped pieces 74A and 74B are bent outwardly to be separated from each other, and the branch wire group is inserted and closed, so that the branch wire group can be easily held, and the branch wire group is pulled up. Thereby, the branch wire group can be easily removed.

In FIG. 7, two bar-shaped pieces 75A whose upper halves are bent into hooks in directions opposite to each other in the band length direction are provided at opposite ends in the width direction of the surface of the band portion 50A. 75B is erected. In this configuration,
By inserting the branch wire group so as to hang over the bases of the two bar-shaped pieces from above the two bar-shaped pieces 75A and 75B, the branch wire group can be easily held, and the branch wire group can be held by the two bar-shaped pieces. By pulling it upward away from the root of the cable, the branch wire group can be easily removed.

In FIG. 8, two band portions 50A are erected in the band thickness direction from opposing portions on both side surfaces, and the upper halves thereof are bent like hooks in directions opposite to the band length direction. It is composed of bar-shaped pieces 76A and 76B. With this configuration, it is possible to easily hold and remove the branch wire group by the same operation as that of FIG.

In FIG. 9, two bar-like pieces are provided at the opposing positions on both side surfaces of the band portion 50A so that the base portion is continuous with the side surface of the band and bent in a wave shape from the base portion to the tip. 77A and 77B. In this configuration, the two wavy rod-shaped pieces 77A, 77B are viewed from the tip side.
By inserting the branch wire group between these and the surface of the band portion 50A, the branch wire group can be easily held, and by pulling the branch wire group toward the distal ends of the two wavy rod-shaped pieces 77A and 77B. , The branch wire group can be easily removed.

[0026]

As is apparent from the above description, according to the present invention, the optional branch wire group is attached to and detached from the band clamp wound around the outer periphery of the wire harness for assembling the wire harness to the vehicle body. A branch line holding part that can be freely held is provided, so that the group of optional branch wires can be easily fixed to the main line of the wire harness on the wire harness manufacturing line. Without generating unnecessary debris such as tape debris as in the past,
It can be easily detached from the main line of the wire harness. Therefore, the working time on the wire harness production line and the assembly line of the vehicle to which the wire harness is shipped can be reduced.

Further, in the assembly line of the vehicle, there is no occurrence of tape scraps as in the related art, and it is possible to solve an undesired situation in which the tape scraps remain in the completed vehicle and are discharged.

[Brief description of the drawings]

FIG. 1 is a side view of a band clamp according to a first embodiment.

FIG. 2 is a side view of a band portion of the band clamp of FIG.

FIG. 3 is a perspective view showing a state in which the band clamp of FIG. 1 is wound around a main line of a wire harness.

FIG. 4 is a perspective view showing a state in which a branch wire group for an optional wire harness is held by a branch wire holding portion provided on a band portion of a band clamp wound around a trunk line of the wire harness of FIG. 3;

FIG. 5 is a side view of a main part of a band clamp according to a second embodiment.

FIG. 6 is a side view of a main part of a band clamp according to a third embodiment.

FIG. 7 is a side view of a main part of a band clamp according to a fourth embodiment.

FIG. 8 is a side view of a main part of a band clamp according to a fifth embodiment.

FIG. 9 is a side view of a main part of a band clamp according to a sixth embodiment.

FIG. 10 is a perspective view showing a state in which a branch wire group for an option of a conventional wire harness is wound around a main line with a tape having slits.

11 is a perspective view showing a state in which the tape with slits shown in FIG. 10 is cut to separate a group of optional branch wires from the main line.

[Explanation of symbols]

 Reference Signs List 50 band clamp 50A band unit 50B band lock unit 50C clamp 50D branch line holding unit 51 plate-shaped thin piece 51a plate-shaped thin piece tip 51b plate-shaped thin piece tip front part 52 band part surface 61 wire harness trunk wire 62 branch wire group 63 option connector

Claims (7)

[Claims] 1. A band portion wound around the outer periphery of a wire harness, a band lock portion provided at a rear end of the band portion, for inserting and fixing a tip of the band wound around the wire harness, and protruding from the band lock portion. A clamp for locking to a vehicle body panel or the like of a vehicle, and a band clamp that is wound around and fixed to an outer periphery near a branch portion where a branch wire group connected to an optional connector at a terminal of the main line of the wire harness branches. A band clamp, characterized in that an elastic piece for detachably holding a branch wire group of the wire harness is provided on a side of the band portion relatively near a rear end. 2. An elastic piece for detachably holding the branch wire group is projected obliquely upward from the band surface and folded back into a U-shape. Further, the tip is bent upward and the front part of the tip is placed on the band surface. The band clamp according to claim 1, wherein the band clamp is made of a plate-shaped flake contacted. 3. An elastic piece for detachably holding the branch electric wire group is erected on the band surface and bent into two wavy shapes in which a convex bent portion at a substantially intermediate height position is in contact with each other. The band clamp according to claim 1, comprising a bar-shaped piece. 4. An elastic piece for detachably holding the branch electric wire group is erected on the band surface so that their intermediate heights intersect with each other, and two rod-like members each having a spherical convex portion at the tip. 2. The band clamp according to claim 1, comprising a piece. 5. An elastic piece for detachably holding said group of branch wires is erected at opposite ends in the width direction of the band surface, and upper halves thereof are hooked in directions opposite to each other in the band length direction. The band clamp according to claim 1, comprising two bent rod-shaped pieces. 6. An elastic piece for detachably holding said branch wire group is erected in the band thickness direction from opposing portions of both side surfaces of the band, and the upper halves thereof are hooked in opposite directions to the band length direction. The band clamp according to claim 1, wherein the band clamp is formed of two rod-shaped pieces that are bent. 7. An elastic piece for detachably holding the group of branch wires is provided at opposing positions on both side surfaces of the band, with a root portion thereof being continuous with the side surface of the band, and in a wavy form from the root portion to the tip. The band clamp according to claim 1, comprising two bent rod-shaped pieces.