JP2000295731A - Wire harness protector - Google Patents

Abstract

(57) [Summary] [Problem] A wire harness which is rigid and can be used in a bent portion of a wire harness, is easy to manufacture, store and transport, has high reliability, is versatile, and has a low cost. Provide a protector for SOLUTION: The wire harness protector 1 of the present invention.
Are a plurality of slits 3 extended at appropriate intervals along the longitudinal direction of the flat plate-like protector body 2 and in the width direction.
A plurality of rectangular plate-shaped holding plates 4 formed by the slits; two-sided bent portions 5 and a center bent portion 6 bent in opposite directions along the vicinity of both end portions of the holding plate and on the central axis. It is composed of An insertion opening through which the wire harness is inserted is formed by the deformation of the two bent portions 5 and 6. The bending directions of the both-side bending portions 5 and the center bending portion 6 provided on the adjacent holding plates 4 are set so as to be bent alternately in the opposite direction to the adjacent holding plates 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire harness used for connection to an electric system of an automobile, which is used for connection and is attached to a vehicle body or a device, and the arrangement of the wire is adjusted. The present invention relates to a wire harness protector to be held.

[0002]

2. Description of the Related Art Conventionally, a wire harness protector that protects and fixes a wire harness by accommodating a predetermined length of a wire harness used for connection of an electric system of an automobile and attaching it to a vehicle body or the like, for example, And Japanese Patent Application Laid-Open No. 7-212936 are known.

As shown in FIG. 9, a conventional wire harness protector 51 is composed of two protectors 51 made of an elastic body such as a synthetic resin and extending in the width direction at appropriate intervals along the longitudinal direction. Is provided. Further, both side bent portions 54 provided along the longitudinal direction are provided.
And a plurality of bent portions including a center bent portion 55, and an insertion opening portion 56 through which the wire harness W is inserted is formed by deformation of the bent portions. Side plates 58 are vertically provided on both sides of the bottom plate 57 in the longitudinal direction, and a plurality of pressing pieces 59 are provided at the upper end of the side plate 58 at right angles toward the inside.

More specifically, the slit 53 of the bottom plate 57
A sub-bottom plate portion 61 is formed between the sub-bottom plate portions 61.
The two side bent portions 54 each having a concave groove 54a (see FIG. 10) on the lower surface are provided on the contact sides of the both ends with the side plate 58. The remaining bottom plate becomes the main bottom plate portion 60, and a central bent portion 55 having a concave groove 55a at the bottom is provided at the center.

[0005] The wire harness protector 5 having the above structure.
In FIG. 1, first, as shown in FIG.
Are bent downward using the center bent portion 55 as a hinge, and the sub-bottom plate portion 61 is bent downward using the both-side bent portion 54 as a hinge. The main bottom plate portion 60 is not bent at a right angle or more due to the width of the concave groove 55a, and the elasticity of the sub bottom plate 61 keeps the wire harness protector 51 in a predetermined shape.

Then, as shown in the right figure of FIG. 11, the space between the pressing plates 59 on both sides is widened and the insertion opening 56 appears, so that the wire harness W is formed into a U-shaped main bottom plate 60 and a side plate 5.
8. It can be easily inserted into the holding piece 59.
When the bent main bottom plate portion 60 is returned to a flat position, the sub bottom plate portion 61 is also returned to a flat position, and the shape shown in the left diagram of FIGS. 9 and 11 is obtained. The wire harness W is covered with the wire harness protector 51. become.

[0007]

However, in the above-described conventional wire harness protector 51, FIG.
Since it is necessary to maintain an open state like 0, the concave portions 54a, 55a of the central bent portion 55 and both side bent portions 54 are deepened to form a complete hinge structure, so that the rigidity of the protector body is weak. In addition, the sub-bottom plate 6
Since a tensile force accompanying the elasticity of 1 is applied, there is a possibility that the hinge may be broken, and there is a problem in reliability.

Further, the wire harness W can be used for a straight portion, but cannot be used for a bent portion, and there is a problem that the use is limited. In addition, there is a problem that a dedicated mold is required because the mold is complicated in manufacturing, and the bulky shape consumes space during storage and transportation. Furthermore, when the capacity of the wire harness W is small, the dead space increases, so that it is necessary to arrange various sizes, and as the number of types increases, the parts management becomes complicated and the cost increases. There was a problem.

The object of the present invention has been made in view of the above problems, has rigidity, can be used in a bent portion of a wire harness, is easy to manufacture, store and transport, and has high reliability. Another object of the present invention is to provide a wire harness protector that is versatile and inexpensive.

[0010]

The above object of the present invention can be solved by the following items 1) to 4). 1) An insertion opening through which a wire harness is inserted is formed by deformation of a plurality of slits extending in the width direction at appropriate intervals along the longitudinal direction and a plurality of bent portions provided along the longitudinal direction. A plurality of rectangular plate-like holding plates for a harness are formed in the flat plate-shaped protector body by the slits, and are arranged along the center axis near both ends of the holding plate and on the center axis. The both-side bent portion and the center bent portion that are bent in opposite directions are provided, and the bending direction of the both-side bent portion and the center bent portion provided on the adjacent holding plates is opposite to the adjacent holding plate. A wire harness protector, which is set to bend alternately.

2) The protector for a wire harness according to the above 1), wherein a mounting bracket is provided at an end of the protector body. 3) The protector for a wire harness according to 1), wherein a clip for attachment is provided on the protector body. 4) The wire harness protector according to 1), wherein an adhesive sheet is provided on the holding plate.

According to the wire harness protector having the above structure, a plurality of rectangular plate-like holding plates for the harness are formed on the flat plate-like protector body by the slits. It can be stacked at the time of transportation and can be handled and cost can be reduced. Further, both side bent portions and a center bent portion which are bent in opposite directions along both sides of the holding plate in the vicinity of both end portions and on the central axis are provided, and both side bent portions and a center provided on the adjacent holding plates are provided. Since the bending direction of the bent portion is set so as to be bent alternately in the opposite direction to the adjacent holding plate, when a compressive force is applied in the width direction of the protector body, the adjacent holding plates alternately become V in the opposite direction. Since it is bent in the shape of a letter, a diamond-shaped insertion opening is formed.

The size of the insertion opening can be changed by adjusting the compression force or the compression displacement, and when the compression force is removed after the wire harness is inserted, the holding plate is restored by the restoring force of the both-side bent portion and the center bent portion. Tries to return to the original flat shape. Therefore, since the wire harness returns to an appropriate position depending on the capacity of the wire harness and holds the wire harness, the wire harness can be used for a wide range of wire harness capacity without producing a dead space. Therefore, there is no need to prepare many types, and component management can be simplified.

Further, since both end portions of the protector body on both sides of the slit are flexible, it can cope with bending of the wire harness. Further, since it is necessary to provide a restoring force to the both-side bent portion and the center bent portion, the hinge is not broken because it has a certain degree of rigidity. Therefore, the reliability can be improved, the versatility is excellent, and the cost can be reduced.

Further, when a mounting bracket is provided at an end of the protector body, a mounting clip is provided on the protector body, or an adhesive sheet is provided on a holding plate, the floor or pillars of the vehicle body cabin are provided. The wire harness protector can be fixed in the inside. Therefore, the protector can be securely fixed, and the work of attaching the wire harness is facilitated, so that the reliability and work efficiency can be improved.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a wire harness protector according to the present invention will be described below in detail with reference to FIGS. 1 is a perspective view showing an embodiment of the wire harness protector of the present invention, FIG. 2 is a perspective view showing a storage shape in FIG. 1, and FIG. 3 is a perspective view showing a state in which the wire harness in FIG. 2 is stored. 4 is a perspective view showing a state where the wire harness is held in FIG. 3, FIG. 5 is an operation explanatory view showing a bending state of the protector body in FIG. 1, and FIG. 6 is a perspective view in which a mounting bracket is provided on the protector body in FIG. 7 is a perspective view in which a clip is provided on the protector body in FIG. 1, and FIG. 8 is a perspective view in which an adhesive sheet is provided on a holding plate of the protector body in FIG.

As shown in FIGS. 1 and 2, the protector 1 for a wire harness according to the present invention has a flat protector body 2 made of a synthetic resin or the like at appropriate intervals along the longitudinal direction and in the width direction. A plurality of elongated slits 3, a plurality of rectangular plate-like holding plates 4 for harnesses formed by the slits, and bends in directions opposite to each other along the vicinity of the both ends and the center axis of the holding plate. And a center bent portion 6. The plurality of both bent portions 5, 6
Opening 8 through which wire harness W is inserted due to deformation of
Is formed.

The bending directions of the both-side bending portions 5 and the center bending portion 6 provided on the adjacent holding plates 4 are set so as to be bent alternately in the opposite direction to the adjacent holding plates 4. That is, the concave grooves 5a, 6a forming the both-side bent portion 5 and the central bent portion 6 are, for example, provided with the concave groove 5a of the holding plate 4 at the left end in FIG. 1 on the back side in the figure and the concave groove 6a on the front side in the figure. ing. The concave groove 5a of the holding plate 4 adjacent to the right side is provided on the front side in the figure, and the concave groove 6a is provided on the rear side in the figure.

As will be described later, both end portions 7 in the longitudinal direction of the protector main body 2 are bendable, and are configured to be deformable along the shape of the mounting surface of the protector 1. In addition, the both-side bending portion 5 and the center bending portion 6
Is desired to have a restoring force, the depth of the concave grooves 5a and 6a with respect to the thickness of the holding plate 4 is set to be shallow enough to determine the bending direction.

The wire harness protector 1 having the above configuration.
In FIG. 1, the basic shape is a flat plate as shown in FIG. 1, but by applying a compressive force to the both end portions 7, 7 toward the center, the holding plate 4 becomes the both side bent portion 5 and the center bent portion. It is bent at 6. Then, as shown in FIG. 2, by alternately deforming into a V-shape in the upward and downward directions, the insertion opening 8 having a diamond shape as a whole is formed.

Next, as shown in FIG.
Can be inserted into the insertion opening 8. And
When the compressive force applied to both end portions 7 and 7 is released, the holding plate 4 tends to return to a flat plate shape by the restoring force of the both bent portions 5 and the central bent portion 6. As shown in FIG. 4, when the holding plate 4 attempts to return to the flat shape, the wire harness W is inserted into the insertion opening 8.
Is stored, the holding plate 4 holds the wire harness W while applying an appropriate pressing force to the wire harness W from above and below.

When it is desired to bend the wire harness W along a curved wall or the like, since both end portions 7 of the protector body 2 are bendable, the protector body 2 can be attached along the curved surface. . However, since the holding plate 4 is bent in a rhombus shape and the protector can hardly be deformed in the longitudinal direction, both end portions 7 have a bent shape that bends discontinuously.

As described above, in the protector 1 for a wire harness according to the present embodiment, the plurality of slits 3 extending at appropriate intervals along the longitudinal direction and extending in the width direction form a plurality of rectangular flat protector bodies 2. Since the plate-like harness holding plate 4 is formed, the harness can be easily manufactured and can be stacked during storage and transportation, so that handling and cost can be reduced.

Further, both side bent portions 5 and a center bent portion 6 which are bent in opposite directions along the center axis near the both end portions of the holding plate 4 are provided, and are provided on the holding plates 4 arranged next to each other. The bending direction of the both-side bent portion 5 and the center bent portion 6 is set so as to be bent alternately in the opposite direction to the adjacent holding plate 4. The holding plates 4 thus formed are alternately bent in a V-shape in the opposite direction, so that an insertion opening 8 having a rhombic shape as a whole is formed.

The shape of the insertion opening 8 can be changed in size by adjusting the compression force.
If the compressive force is removed after the wire harness W is inserted, the holding plate 4 attempts to return to the flat shape before deformation by the restoring force of the both-side bent portion 5 and the center bent portion 6. Therefore, by applying an appropriate compressive force according to the capacity of the wire harness W, the wire harness W is returned to a position where the wire harness W is securely clamped with respect to the wire harness W having various capacities without being bent more than necessary. Therefore, it is possible to obtain a wire harness protector with excellent versatility that can cope with wire harnesses W of various capacities without producing a dead space in which the wire harness W is shifted laterally in the protector body.

Further, both end portions 7, 7 of the protector body 2 are provided.
Can be attached to variously shaped mounting surfaces because it is bendable. Further, since the both-side bent portion 5 and the center bent portion 6 need to have a restoring force enough to clamp the wire harness W, the hinge has a certain rigidity unlike a hinge structure for integration, so that the hinge is broken. Does not happen. Therefore, the reliability of the protector can be improved, the cost can be reduced, and a more versatile protector for a wire harness can be obtained.

Next, a description will be given of a modification in which the above-described wire harness protector 1 is provided with a mounting tool. The same components as those of the wire harness protector 1 are denoted by the same reference numerals, and a detailed description thereof will be omitted. The protector 21 for a wire harness shown in FIG. 6 has a protector body 22 and a mounting bracket 23 having a mounting hole 24 provided integrally therewith. Therefore, the protector 21 can be securely fixed to the floor of the vehicle body cabin, the inside of the pillar, or the like by using a bolt or the like, and problems such as displacement or abnormal noise due to vibration or the like can be prevented.
Therefore, the reliability of the protector can be further improved.

A wire harness protector 3 shown in FIG.
In 1, a clip 33 for mounting is provided integrally with the protector main body 32 or is provided separately.
Accordingly, by providing the mounting holes on the floor of the vehicle body cabin or the like, the protector 31 can be easily and securely fixed, and the above-mentioned problems such as displacement or abnormal noise caused by vibration or the like can be prevented. it can. Therefore, the reliability of the protector can be improved, and the mounting work can be further improved.

A wire harness protector 4 shown in FIG.
1 is provided with a holding plate 43 having an adhesive sheet 44 on a protector body 42. Therefore, the protector 41 can be fixed to the floor of the vehicle body cabin, the inside of the pillar, or the like with one touch, and the disadvantage that the position is displaced due to vibration or the like and abnormal noise is generated as described above can be prevented. Therefore, it is possible to significantly improve the mounting work as well as the reliability of the protector.

The wire harness protector of the present invention is not limited to the above-described embodiment, and can be implemented in other forms by making appropriate changes. For example, in the present embodiment, one central bent portion is provided on the central axis of the protector, but two central bent portions may be provided on both sides of the central axis, and a trapezoidal insertion opening may be provided when the harness is inserted. Can be formed.

[0031]

As described above, according to the wire harness protector of the present invention, a plurality of rectangular plate-like holding plates are formed in the flat plate-like protector body by slits.
Provided are both side bent portions and a center bent portion that are bent in opposite directions along both sides of the holding plate near both ends and on the central axis,
The bending directions of the both-side bending portions and the center bending portion provided on the adjacent holding plates are set so as to be bent alternately in the opposite direction to the adjacent holding plates. Therefore, the protector is easy to manufacture, and the protectors can be stacked during storage and transportation of the protector, so that the handleability is excellent and the cost can be reduced.

The size of the insertion opening through which the wire harness is inserted can be changed by adjusting the compressive force or the compressive displacement, and if the compressive force is removed after the wire harness is inserted, the both-side bent portion and the central bent portion are formed. The holding plate tries to return to the original flat plate shape by the restoring force of the wire harness, and holds the wire harness. Therefore, various wire harness capacities can be reliably held without producing a dead space where the wire harness is displaced in the protector. Therefore, it is not necessary to prepare many types of protectors, and it is possible to obtain a highly reliable protector which is excellent in simplicity of component management and versatility.

Further, when a mounting bracket is provided at the end of the protector body, a clip for mounting is provided on the protector body, or an adhesive sheet is provided on the holding plate, the floor or pillars of the vehicle body cabin are provided. The protector can be fixed inside or the like without displacement. Therefore, the protector can be securely fixed, and the work of attaching the wire harness is facilitated, so that the reliability and work efficiency of the protector can be significantly improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a wire harness protector of the present invention.

FIG. 2 is a perspective view showing a storage shape in FIG.

FIG. 3 is a perspective view showing a stored state of the wire harness in FIG. 2;

FIG. 4 is a perspective view showing a holding state of the wire harness in FIG. 3;

FIG. 5 is an operation explanatory view showing a bent state of the protector body in FIG. 1;

FIG. 6 is a perspective view showing a modification in which a mounting bracket is provided on the protector body in FIG. 1;

FIG. 7 is a perspective view showing a modification in which a clip is provided on the protector body in FIG. 1;

FIG. 8 is a perspective view showing a modification in which an adhesive sheet is provided on a holding plate of the protector body in FIG. 1;

FIG. 9 is a perspective view showing an example of a use state of a conventional wire harness protector.

FIG. 10 is a perspective view showing a free state in FIG. 9;

FIG. 11 is an operation explanatory view and a sectional view in FIG. 9;

[Explanation of symbols]

 1, 21, 31, 41 Wire harness protector 2, 22, 32, 42 Protector body 3 Slit 4, 43 Holding plate 5 Both-side bent portion 6 Center bent portion 7 Side end 8 Insertion opening 23 Mounting bracket 33 Clip 44 Adhesion Seat W Wire harness

Claims (4)

[Claims] 1. An insertion opening through which a wire harness is inserted by deformation of a plurality of slits extending in the width direction at appropriate intervals along the longitudinal direction and a plurality of bent portions provided along the longitudinal direction. A wire harness protector formed with a plurality of rectangular plate-like harness holding plates formed by the slits on the flat plate-shaped protector body, and the holding plate is provided near both side ends and on the central axis. The two-sided bent portion and the central bent portion that are bent in mutually opposite directions along the holding plate are provided, and the bending directions of the both-side bent portion and the central bent portion provided on the adjacent holding plates are adjacent to the holding plate. A wire harness protector, which is set so as to be bent alternately in the opposite direction. 2. The wire harness protector according to claim 1, wherein a mounting bracket is provided at an end of said protector body. 3. The wire harness protector according to claim 1, wherein a clip for attachment is provided on the protector body. 4. The wire harness protector according to claim 1, wherein an adhesive sheet is provided on the holding plate.