JP2017158285A - Wiring harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To protect a wire bundle from weld burrs of a side panel of a vehicle body at low cost by fitting a wiring harness to a shelf board horizontally protruding from the side panel.SOLUTION: A wiring harness comprises: a wire bundle 12; a protector 20 which consists of a resin molding panel 21 and includes a horizontal tabular part 22 and a vertical tabular part 24 which are formed by being folded at a right angle from a notch that is formed on the resin molding panel, and in which the wire bundle is mounted on the horizontal tabular part and the vertical tabular part is positioned at a side of a vehicle body panel; and multiple wire bundle fixing parts 40 for fixing the wire bundle 12 to the horizontal tabular part 22. Each of the wire bundle fixing parts 40 includes: a notch 26 formed on the horizontal tabular part and a band clip 30. A clip part 36 of the band clip is positioned on a lower surface of the horizontal tabular part 22, a band part 32 extending from the clip part 36 is passed through the notch 26 and passed between the vertical tabular part 24 and the wire bundle 12, and the wire bundle 12 is once wound, passed through the notch 26 and fixed by a band part fixing part 36d of the clip part.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a wire harness in which a protector is sheathed.

  Conventionally, burrs formed by spot welding or the like may remain on the body panel side. When an electric wire bundle is routed near a body part having such a burr, the electric wire bundle may be damaged by the burr. For this reason, a protector is packaged on the wire bundle to protect it from burrs and the like. In general, some wire bundles routed in a vehicle are configured to branch from a trunk line to a branch line. Even for a bundle of electric wires having such a branching portion, it is necessary to coat with a protector in order to protect it from burrs and the like.

  In the conventional protector, separate protectors are packaged on a portion having a branch portion and a portion having no branch portion in the wire bundle. For this reason, the number of parts has increased, and the part cost and assembly cost have increased.

  In order to solve this problem, for example, Patent Document 1 discloses a protector capable of three-dimensional path regulation for an electric wire bundle having a branch portion. This protector is configured such that a sheet material is bent and assembled into a cylindrical shape, and an electric wire bundle is accommodated in the cylinder.

Japanese Patent Laid-Open No. 2015-116109

  However, in the protector described in Patent Document 1, after the sheet material is bent and configured in a cylindrical shape, the branch line must be led out from the rectangular opening formed in the side wall portion of the protector. Installation work was not easy.

  The present invention has been made to solve the above-described problems, and is attached to a belt-like shelf with a mounting hole protruding horizontally from the side panel at a position where the wire harness of the side panel of the vehicle body is routed. Another object of the present invention is to provide a wire harness with a protector that protects a bundle of electric wires from welding burrs on a side panel at low cost.

  In order to achieve the above object, the wire harness according to the present invention comprises a wire bundle and a resin molded panel, and is formed of a horizontal plate portion and a vertical plate formed by being bent at a right angle from a cut formed in the resin molded panel. A protector in which the wire bundle is placed on the horizontal plate-like portion, the vertical plate-like portion is positioned on the vehicle body panel side, and a plurality of fixing the wire bundle to the horizontal plate-like portion. An electric wire bundle fixing portion, and each electric wire bundle fixing portion includes a notch portion formed in an intermediate position in the direction of the vertical plate-like portion from the edge to the horizontal plate-like portion, and a band clip. The band clip is positioned on the lower surface of the horizontal plate-like portion, and the band portion extending from the clip portion is passed through the notch portion and the vertical plate-like portion and the wire bundle. The wire bundle is wound around and wound around Is passed through a-away portion is a fixed configuration with a band portion fixing portion of the clip portion.

  With this configuration, the resin molded panel is bent at a right angle, and the electric wire bundle is simply placed on the horizontal plate-like portion and fixed with a band clip. For this reason, a metal mold is not required, the material cost is low, and the processing work for manufacturing the protector can be simplified without requiring skill. In particular, the attachment of the band clip and the attachment of the electric wire bundle using the band clip can be performed easily and reliably.

  Further, the electric wire bundle is branched into a branch line extending upward from a main line extending in the horizontal direction and a branch line extending in a horizontal direction perpendicular to the main line, and the electric wire bundle fixing portion is in the vicinity of each branch line. It is good also as a structure provided in.

  With this configuration, the protector can be easily and reliably attached to the electric wire bundle having the branch portion.

  According to the present invention, the wire bundle of the side panel of the vehicle body is attached to the belt-like shelf plate with the mounting hole protruding horizontally from the side panel at the position where the wire harness is routed, and the wire bundle is connected to the side panel from the welding burr at a low cost. It is possible to provide a wire harness in which a protector to protect is sheathed.

1 is a schematic perspective view showing a wire harness according to a first embodiment of the present invention. 2A is a cross-sectional view taken along the line AA in FIG. 1, and FIG. 2B is a cross-sectional view taken along the line BB in FIG. It is an expanded view of the protector which concerns on the 1st Embodiment of this invention. It is explanatory drawing which shows the assembly method of the wire harness which concerns on the 1st Embodiment of this invention. It is a schematic perspective view which shows the wire harness which concerns on the 2nd Embodiment of this invention. It is an expanded view of the protector which concerns on the 2nd Embodiment of this invention. It is a schematic perspective view which shows the wire harness which concerns on the 3rd Embodiment of this invention.

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

[First Embodiment]
As shown in FIG. 1, the wire harness 10 according to the first embodiment of the present invention includes an electric wire bundle 12, a protector 20 that protects the electric wire bundle 12, and a plurality of electric wire bundles that fix the electric wire bundle 12 to the protector 20. And a fixing portion 40.

  The electric wire bundle 12 branches from a trunk line 14 extending in the horizontal direction (X-axis direction) and a branch line 18 extending upward (Z-axis direction) and a branch line 16 extending in the horizontal direction (Y-axis direction) perpendicular to the trunk line 14. This is the configuration. The trunk line 14 has a configuration in which a plurality of covered electric wires 15 are bundled with a tape winding 13, and the branch lines 16 and 18 have a configuration in which a plurality of covered electric wires 17 and 19 are respectively bundled with a tape winding.

  The protector 20 includes a resin molded panel 21, and has a horizontal plate-like portion 22 and a vertical plate-like portion 24 that are bent at a right angle from a notch 25 formed in the resin-made molded panel 21. Further, the electric wire bundle 12 is placed on the horizontal plate-like portion 22, and the vertical plate-like portion 24 is positioned on the vehicle body panel side.

  This resin-made molded panel 21 has a configuration including two flat plate portions and a plurality of partition walls that are integrally connected to the two flat plate portions and have through holes in parallel. That is, the resin molded panel 21 is a panel generally called a plastic cardboard.

  FIG. 3 is a development view of the protector 20 including the resin molded panel 21 according to the first embodiment. A notch 25 is provided on the back surface 21b of the resin molded panel 21 (see FIG. 2A), and the horizontal plate portion 22 and the vertical plate portion 24 are bent at a right angle by the notch 25. It has become. Specifically, the cut 25 is formed in a flat plate portion on the back surface 21b side among the two flat plate portions constituting the resin molded panel 21. Thereby, the resin-molded panel 21 is bent to the front surface 21a side (see FIG. 2A) at the portion where the cut 25 is formed.

  The electric wire bundle fixing portion 40 is adapted to fix the trunk line 14 of the electric wire bundle 12 to the horizontal plate portion 22, and is formed on the horizontal plate portion 22 from the end edge to a midway position in the direction of the vertical plate portion 24. It has a notch 26 and a band clip 30. The wire bundle fixing portion 40 is provided in the vicinity of the branch lines 16 and 18. In the present embodiment, a total of two wire bundle fixing portions 40 are provided, one at each end of the protector 20. The number and location of the wire bundle fixing portions 40 are not limited to this, and the number and location can be arbitrarily changed.

  As shown in FIG. 3, each notch 26 has a slit shape that is cut in a rectangular shape laterally from the outer edge at both ends of the horizontal plate-like portion 22, and its width is the band of the band clip 30. It is slightly wider than the width of the portion 32. Thereby, when the trunk line 14 is fixed by the band clip 30, the band part 32 can freely move through the notch part 26. Moreover, the width of each notch part 26 is narrower than the width | variety of the band part fixing | fixed part 36d of the band clip 30 demonstrated later.

  Instead of the cutout portion 26, two through holes through which the band portion 32 can pass may be provided side by side in the horizontal plate-like portion 22. In this case, the band portion 32 comes out from one through hole and returns from the other through hole, so that the band portion 32 is wound around the trunk line 14.

  As shown in FIG. 2B, the band clip 30 includes a band portion 32 that holds the trunk line 14 and a clip portion 36 that is locked to a mounting hole formed in a support panel in the vehicle. Yes. Specifically, the clip part 36 has a band part fixing part 36d for fixing the band part 32, a dish part 36a, a column part 36b, and an anchor part 36c. The anchor portion 36c is locked in the mounting hole of the support panel, and the plate portion 36a is pressed against the support panel on the opposite side, whereby the band clip 30 is fixed to the support panel. Thereby, the wire harness 10 is configured to be fixed to the support panel of the vehicle body.

  On the other hand, the clip portion 36 of the band clip 30 is located on the lower surface of the horizontal plate-like portion 22, and the band portion 32 extending from the clip portion 36 is passed through the notch portion 26, so that the vertical plate-like portion 24 and the wire bundle 12, the wire bundle 12 is wound once, passed through the notch portion 26, and fixed by the band portion fixing portion 36d of the clip portion 36. That is, the band part 32 holds the trunk line 14 on one side of the horizontal plate-like part 22 through the notch part 26 and is fixed to the band part fixing part 36d on the other side. As a result, the horizontal plate-like portion 22 is sandwiched between the main line 14 and the band portion fixing portion 36d.

Next, a method for attaching the protector 20 to the wire bundle 12 will be described with reference to FIG.
First, as shown in FIG. 4A, the protector 20 in a state where the resin molded panel 21 is bent at a right angle at a position where the notch 25 is provided is placed on a table such as an assembly drawing board.

  Next, as shown in FIG. 4B, the trunk line 14 of the wire bundle 12 is placed on the horizontal plate portion 22.

  Next, as shown in FIG. 4 (c), the main line 14 is horizontally held by holding the portions of the main line 14 corresponding to the notches 26 of the horizontal plate-like part 22 with the band parts 32 of the band clip 30. Fix to the plate-like part 22. The tip of the band part 32 is locked through the band insertion hole of the band part fixing part 36d on the back side of the horizontal plate-like part 22. At that time, the front end portion of the band portion 32 is passed upward from the lower side of the notch portion 26, the trunk line 14 is wound from the rear side to the near side, and the lower end band portion is passed through the notch portion 26. It is preferable to pass through the band insertion hole of the fixing portion 36d. In this case, when the band part 32 wound around the main line 14 is tightened by the band part fixing part 36d, the band part 32 is pulled toward the back side of the notch part 26, so that the band clip 30 is notched. It does not come out of the part 26.

Next, functions and effects will be described.
The resin molded panel 10 is bent at a right angle, and the electric wire bundle 12 is placed on the horizontal plate-like portion 22 and fixed with the band clip 30. For this reason, the metal mold | die for manufacture of the protector 20 is unnecessary, material cost is attached cheaply, and the work for the manufacture of the protector 20 can be simplified without requiring skill. In particular, the band clip 30 and the wire bundle 12 can be easily and reliably attached by the band clip 30.

  In addition, since the vertical plate-like portion 24 and the horizontal plate-like portion 22 are arranged only on the side that protects the electric wire bundle 12 from one side and the lower side, the protective function can be sufficiently exhibited while being a simple structure. Can do. In particular, since the vertical plate-like portion 24 is positioned on the vehicle body panel side, the wire bundle 12 is not damaged by the welding burr remaining on the vehicle body panel.

  Moreover, since the electric wire bundle 12 is fixed to the horizontal plate-like portion 22 of the protector 20, the horizontal plate-like portion 22 has a simple structure provided with a notch 26, so that processing is easy.

  The wire bundle 12 has a configuration in which a branch line 18 extending upward from a main line 14 extending in the horizontal direction and a branch line 16 extending in the horizontal direction perpendicular to the main line 14 are branched. Thus, the protector 20 can be easily attached to the electric wire bundle 12 having a branching portion. Specifically, with respect to the branch line 18 extending upward from the main line 14, the vertical plate-like portion 24 can protect the weld burr remaining on the vehicle body panel side, and the horizontal direction perpendicular to the main line 14. The branch line 16 extending in the direction can be protected by the horizontal plate portion 22. Moreover, since the wire bundle fixing part 40 is provided in the vicinity of each branch line 16, 18, the protector 20 can be reliably fixed to the wire bundle 12. The wire harness 10 in which the wire bundle 12 having such a configuration is protected by the protector 20 can be suitably used, for example, for routing around the base of the B pillar of the vehicle body.

[Second Embodiment]
Next, with reference to FIG. 5 and FIG. 6, the wire harness 60 which concerns on the 2nd Embodiment of this invention is demonstrated.

  As shown in FIG. 5, the wire harness 60 according to the present embodiment includes an electric wire bundle 12, a protector 70 that protects the electric wire bundle 12, and an electric wire bundle fixing portion 90 that fixes the electric wire bundle 12 to the protector 70. I have.

  The wire bundle 12 is composed of a trunk line 14 extending in the horizontal direction (X-axis direction), and differs from the first embodiment in that no branch line is branched off from the trunk line 14. The trunk line 14 has a configuration in which a plurality of covered electric wires are bundled by tape winding or the like.

  The protector 70 is made of, for example, a resin molded panel 71 such as corrugated plastic, and includes a horizontal plate portion 72, a vertical plate portion 74, and an inclined plate portion 76. FIG. 6 is a development view of the protector 70 including the resin molded panel 71. Cuts 75 and 77 are formed on the back surface of the resin molded panel 71. The vertical plate-like portion 74 is bent at a right angle with respect to the horizontal plate-like portion 72 by a cut 75 formed in the back surface of the resin molded panel 71. The inclined plate-like portion 76 is bent at an acute angle with respect to the horizontal plate-like portion 72 by a notch 77 formed in the back surface of the resin molded panel 71, and the edge of the inclined plate-like portion 76 contacts the edge of the vertical plate-like portion 74. It touches. That is, the horizontal plate-like portion 72, the vertical plate-like portion 74, and the inclined plate-like portion 76 form a triangular cylindrical portion whose end face is a right triangle. Two plate-like portion fixing portions 82 for fixing the state of the triangular tube portion by tape winding are provided. The electric wire bundle 12 is placed on the horizontal plate portion 72.

  The wire bundle fixing portion 90 is for fixing the wire bundle 12 to the horizontal plate-like portion 72, and has convex pieces 78 formed at both ends of the horizontal plate-like portion 72 and a tape fixing portion 88. ing. The tape fixing portion 88 has a configuration in which the electric wire bundle 12 is fixed together with the convex piece 78 by tape winding.

Next, a method for attaching the protector 70 to the wire bundle 12 will be described.
First, the resin molded panel 71 of the protector 70 is placed on a table such as an assembly drawing board. Next, the electric wire bundle 12 is placed on the horizontal plate-like portion 72. Next, a closed triangular tube portion is formed by bending the resin molded panel 71, and the state of the triangular tube portion is fixed by tape winding at each plate-like portion fixing portion 82. Further, the electric wire bundle 12 and the convex piece 78 are fixed together by tape winding at the respective tape fixing portions 88 at both ends of the horizontal plate-like portion 72.

  The wire harness 60 which concerns on 2nd Embodiment mentioned above can be used conveniently with respect to the electric wire bundle routed to the sill side part of a vehicle body, for example. Conventionally, two parts, that is, an exterior product that protects the wire bundle and a sill clip for fixing, are used. However, it can be replaced with one protector 70. This reduces the part cost and facilitates the installation work.

[Third Embodiment]
Next, with reference to FIG. 7, the wire harness 100 which concerns on the 3rd Embodiment of this invention is demonstrated.

  As shown in FIG. 7, in the wire harness 100 according to the third embodiment, in the region having the branch portion in the wire bundle 12, the protector 20 according to the first embodiment is packaged and the region does not have the branch portion. Then, the protector 70 according to the second embodiment is configured to be packaged.

  This wire harness 100 can be suitably used for, for example, an electric wire bundle routed along the side of the sill from the B pillar to the A pillar of the vehicle body.

  The present invention is attached to a belt-like shelf plate with a mounting hole protruding horizontally from the side panel at a position where the wire harness of the side panel of the vehicle body is routed, and can protect the wire bundle from the welding burr of the side panel at low cost. It is useful for all wire harnesses with a protector.

10, 60, 100 Wire harness 12 Wire bundle 14 Trunk line 16, 18 Branch line 20, 70 Protector 21, 71 Plastic molded panel 22, 72 Horizontal flat plate part 24, 74 Vertical plate part 25, 75, 77 Cut 26 Cut Notch portion 30 Band clip 32 Band portion 36 Clip portion 36d Band portion fixing portion 40, 90 Wire bundle fixing portion

Claims (2)

A bundle of wires,
A horizontal plate-like portion and a vertical plate-like portion formed by a resin-molded panel and bent at a right angle from a notch formed in the resin-molded panel, and the wire bundle is placed on the horizontal plate-like portion A protector in which the vertical plate-like portion is positioned on the vehicle body panel side;
A plurality of wire bundle fixing portions for fixing the wire bundle to the horizontal plate-like portion,
Each of the wire bundle fixing portions includes a cutout portion formed on the horizontal plate-shaped portion from an end edge to a midway position in the direction of the vertical plate-shaped portion, and a band clip, and the clip portion of the band clip Is positioned on the lower surface of the horizontal plate-like portion, and a band portion extending from the clip portion is passed through the notch portion and passed between the vertical plate-like portion and the wire bundle to tie the wire bundle. A wire harness, wherein the wire harness is wound around, passed through the notch, and fixed at a band portion fixing portion of the clip portion.   In the wire bundle, a branch line extending upward from a trunk line extending in the horizontal direction and a branch line extending in a horizontal direction perpendicular to the trunk line are branched, and the wire bundle fixing portion is provided in the vicinity of each branch line. The wire harness according to claim 1, wherein the wire harness is formed.

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