JP6389675B2 - Wire harness - Google Patents

Description

  The present invention relates to a wire harness that is fixed to a portion to be routed by a clamp mounted on one surface.

FIG. 3 is a perspective view of a main part of the wire harness disclosed in Patent Document 1 below.
The wire harness 100 is an electric wire bundle that is routed on a routing route on a vehicle body. The wire harness 100 includes a trunk line 110 that is a group of electric wires 111 and a branch line (not shown) that branches off from the middle of the trunk line 110, and a rectangular tube that accommodates and protects the trunk line 110. -Shaped protector 120.

  The protector 120 includes a bowl-shaped protector body 121 having a bottom wall 121a and both side walls 121b rising from both side edges of the bottom wall 121a, and a protector cover 122 that covers an upper open portion of the protector body 121. Yes.

  The protector main body 121 has a clamp 123 protruding from the outer surface of the bottom wall 121a to be engaged with a clamp locking hole of a portion to be routed (for example, a vehicle body panel) in which the wire harness 100 is routed.

  The protector cover 122 includes a ceiling wall 122a that faces the bottom wall 121a of the protector body 121, and both side walls 122b that extend downward from both side edges of the ceiling wall 122a and engage with the side walls 121b of the protector body 121. ing.

  On the ceiling wall 122a of the protector cover 122, an operation portion 122d is formed at a position facing the clamp 123 mounted on the bottom wall 121a. The operation portion 122d is a flexible piece in which only the base end 122f of the operation portion 122d is connected to the ceiling wall 122a by a U-shaped slit 122e formed in the ceiling wall 122a. When the operation portion 122d is pressed, the operation portion 122d can be displaced toward the clamp 123, suggests the position of the clamp 123, and engages the clamp 123 with the clamp engagement hole of the routed portion. It becomes a push-down operation part pushed into the stop hole.

  The wire harness 100 shown in FIG. 3 aligns the position of the operation portion 122d that suggests the position of the clamp 123 with the position directly above the clamp locking hole of the routed portion, so that the clamp 123 is accurately positioned on the routed portion. The clamp can be aligned with the clamp locking hole, and the clamp 123 can be easily fitted into the clamp locking hole of the routed portion by pressing the operation portion 122d in the aligned state. Therefore, it is easy to fix the wire harness 100 to the portion to be routed.

JP 2008-109797 A

  By the way, the protector main body 121 and the protector cover 122 which comprise the protector 120 are usually resin molded products, and each is formed with a dedicated molding die.

  Therefore, when the design of the operation unit 122d is changed, it is necessary to newly prepare a molding die for the protector cover 122, which requires an expensive mold production cost, as well as the design and production period of the molding die. Is required.

  For this reason, the design change of the operation unit 122d has a problem that high equipment costs are required and it is difficult to respond in a short period of time.

  Therefore, an object of the present invention is to solve the above-mentioned problem, and to change the design of the part used for alignment between the clamp provided on the wire harness side and the clamp locking hole provided on the routing target part. An object of the present invention is to provide a wire harness that can be realized at low cost and in a short period of time.

The above-described object of the present invention is achieved by the following configuration.
(1) With the main line,
A single-sided pressure-sensitive adhesive sheet that covers and covers the trunk line and overlaps and bonds together a pair of edges along the trunk line;
A clamp attached to a clamp attachment hole formed on one side of the single-sided adhesive sheet to be bonded;
Provided on the side portion of the portion where the trunk line is located on the other side of the one-sided pressure-sensitive adhesive sheet to be bonded, an indicator showing the position of the clamp mounting hole with respect to the trunk line;
A wire harness comprising:

  (2) The wire harness according to (1), wherein the index is a single hole having the same shape as a jig insertion hole for trunk wiring formed in the single-sided adhesive sheet or a combination thereof.

  (3) The wire harness according to (1), wherein the index is printing.

  According to the configuration of (1) above, the main line is sandwiched between the single-sided adhesive sheets, and the adhesive surfaces of the single-sided adhesive sheets that are overlapped with each other, or the adhesive surface of the single-sided adhesive sheet and the jacket of the electric wire are attached. Is fixed at a predetermined position between the overlapping single-sided adhesive sheets. A clamp is provided on one of the single-sided adhesive sheets to be bonded, and an indicator suggesting the installation position of the clamp is provided on the other single-sided adhesive sheet.

  For this reason, when fixing the wire harness to the to-be-routed portion with the clamp provided on one side of the single-sided adhesive sheet, the position of the index provided on the other side of the single-sided adhesive sheet is used as a guide to accurately cover the clamp. It can be aligned with the clamp locking hole of the routing portion. And a clamp can be easily made to fit in the clamp latching hole of a to-be-routed part by pressing down a clamp part to the to-be-routed part side in the aligned state. Therefore, the wire harness can be easily fixed to the portion to be routed.

  In addition, the indicator provided on the single-sided pressure-sensitive adhesive sheet is not a solid part that requires a molding die, but is, for example, a hole having a predetermined shape that is formed through one single-sided pressure-sensitive adhesive sheet by punching or a mark provided by printing. good.

  Therefore, it is not necessary to manufacture an expensive molding die when changing the index design, and the index design change can be realized at low cost and in a short period of time.

  According to the configuration of (2) above, the index is a hole formed by punching, which is simple and inexpensive by changing the tool used for punching or by increasing or decreasing the number of holes formed by punching, and In a short time, the indicator design can be changed.

  Moreover, according to the configuration of (2) above, the hole serving as an index is a single hole having the same shape as the jig insertion hole for trunk wiring formed in the single-sided adhesive sheet or a combination thereof. Therefore, existing tools and processing devices prepared for forming a jig insertion hole for trunk wiring can be used for forming the index. In the processing apparatus, only a specification change in the program is required, and a specialized tool for the index is not required. Therefore, the index formation and the index design change can be realized at a lower cost and in a shorter period of time.

  In addition, when the index is a hole, the position of the clamp can be confirmed with a touch feeling, and the positioning of the clamp by the index and the clamp locking hole of the to-be-routed part becomes easy.

  According to the configuration of (3) above, the index is a mark formed by printing, and the index design can be changed simply by changing the instruction information indicating the shape and dimensions of the index on the program for printing the index. can do. In other words, according to the configuration (3), since the hardware is not changed when the index is changed, the design of the index can be changed easily, inexpensively, and in a short time.

  According to the wire harness according to the present invention, the design change of the part used for the alignment between the clamp provided on the wire harness side and the clamp locking hole provided on the portion to be routed can be performed at low cost and in a short period of time. Can be realized.

  The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

FIG. 1 is a plan view showing a state in the middle of manufacturing of an embodiment of a wire harness according to the present invention. 2 is a perspective view of the assembled state of the wire harness shown in FIG. FIG. 3 is a perspective view of a main part of a conventional wire harness.

Hereinafter, a preferred embodiment of a wire harness according to the present invention will be described in detail with reference to the drawings.
1 and 2 show one embodiment of a wire harness according to the present invention. FIG. 1 is a plan view showing a state in the middle of manufacturing the wire harness according to one embodiment of the present invention, and FIG. It is a perspective view of the assembly state of the shown wire harness.

  The wire harness 3 of this embodiment includes a trunk wire 4 that is a group of wires in which a plurality of covered wires 41 are gathered, a single-sided self-adhesive sheet 5 that covers the trunk wire 4, and a single-sided self-adhesive sheet 5 that is bonded together. And the indicators 7a, 7b, 7c provided on the other side of the single-sided self-adhesive sheet 5 to be bonded.

  Although the wire harness 3 is not shown, a branching portion where a branch line (branch line) branches is formed in the middle of the trunk line 4.

  The single-sided self-adhesive sheet 5 is a rectangular sheet that covers the trunk line 4. In addition, the single-sided self-adhesive sheet 5 is bonded by overlapping a pair of edge portions 61 and 61 along the trunk line 4.

  In this single-sided self-adhesive sheet 5, the surface (one side) to be superimposed is a self-adhesive surface. This single-sided self-adhesive sheet 5 exhibits adhesiveness only when the self-adhesive surfaces are put together, and the bonded surfaces are bonded together. The self-adhesive surface of the single-sided self-adhesive sheet 5 does not exhibit adhesiveness other than the self-adhesive surface, and does not adhere to the operator's fingers, the trunk line 4 or the branch line 7 that is in contact.

The single-sided self-adhesive sheet 5 used in the present embodiment can bond its own adhesive surfaces (back surfaces) to each other by self-adhesion. That is, it is possible to simply apply the adhesive surfaces (rear surfaces) together without using glue or a binding tape. The single-sided self-adhesive sheet 5 has a surface material laminated on the surface of a sheet base material made of PP (polypropylene) foam, and a special pressure-sensitive adhesive layer laminated on the back surface. Kraft paper, liner board, PET (polyethylene terephthalate) film, PP film, non-woven fabric, etc. can be used as the surface material. Tensile strength is 49 N / cm width in the vertical direction, 23 N / cm width in the horizontal direction (according to JIS K-6767), and tear strength is 7.8 N in the vertical direction and 6.8 N in the horizontal direction (JIS K- 6767), water vapor permeability is 0.0052 g / cm ² · 24 hrs (FS-101B), and initial adhesive strength is 2.5 N / cm width (T-type peel test). As this single-sided self-adhesive sheet, for example, Cro-nel (registered trademark) manufactured by Crowell, Inc. of the United States can be used.

  As shown in FIG. 1, the single-sided self-adhesive sheet 5 has the main line 4 placed on the adhesive surface 5a. In FIG. 1, the single-sided self-adhesive sheet 5 is folded in half near the center line 5 c that divides the height dimension H into two, and covers the trunk line 4. Then, the single-sided self-adhesive sheet 5 sandwiching the trunk line 4 is bonded by overlapping a pair of edge portions 51 and 51 along the trunk line 4.

  The clamp 6 is mounted in a clamp mounting hole 55 formed in the lower region 53 that is one of the upper region 52 and the lower region 53 of the single-sided self-adhesive sheet 5 that is bonded by folding. The clamp 6 includes a sheet coupling portion 61 coupled to the clamp mounting hole 55, an engagement hook portion 62 projecting from the sheet coupling portion 61 to the back side of the single-sided self-adhesive sheet 5 (arrow Y1 side in FIG. 2), It has. The engagement hook portion 62 is a portion that achieves coupling with the to-be-routed portion by being inserted into the clamp locking hole on the to-be-routed portion that is the routing destination of the wire harness 3.

  As shown in FIG. 1, the indicators 7 a, 7 b, and 7 c indicate that the main line 4 is in the upper region 52 that is the other of the upper region 52 and the lower region 53 of the single-sided self-adhesive sheet 5 that is bonded by folding. It is provided in the side part (upper part in FIG. 1) of the part (area | region) located.

  More specifically, as shown in FIG. 2, the indicators 7 a, 7 b, and 7 c are formed on the clamp mounting holes 55 when the upper region 52 and the lower region 53 of the single-sided self-adhesive sheet 5 are overlapped with the trunk line 4 interposed therebetween. It is equipped in the upper region 52 so as to be located on the extension lines C1, C2, C3 extending from the center of the main line 4 toward the main line 4 and orthogonal thereto. These indexes 7a, 7b, and 7c indicate the positions of the clamp mounting holes 55 with respect to the trunk line 4, and when the wire harness 3 is disposed in the routing portion, the clamp 6 that is pushed into the clamp locking hole of the routing portion. The installation position (that is, the position of the clamp mounting hole 55) is suggested.

The index 7a indicates that the clamp mounting hole 55 is located immediately below the index 7a.
The index 7b indicates that the clamp mounting hole 55 is located closer to the edge 51 than the index 7b.
The index 7c indicates that the clamp mounting hole 55 is located immediately below the main line 4.

  In FIG. 1 and FIG. 2, for convenience, a plurality of indicators 7a, 7b, 7c are shown in close proximity. When the self-adhesive sheet 5 is long along the trunk line 4 and a plurality of clamps 6 are mounted, the plurality of indexes 7 a, 7 b, 7 c are appropriately spaced along the trunk line according to the position of the clamp mounting hole 55. It is arranged with. Further, when the self-adhesive sheet 5 is mounted in a short length along the trunk line 4 and one clamp 6 is mounted, one of the indicators 7 a, 7 b and 7 c is arranged according to the position of the clamp mounting hole 55.

  In the case of the present embodiment, the index 7a is composed of a single circular hole, the index 7b is composed of three circular holes, and the index 7c is composed of four circular holes. Each of the holes constituting the indicators 7a, 7b, 7c penetrates the upper region 52. Further, each of the holes constituting the indicators 7a, 7b, and 7c is a hole having the same shape as a main line routing jig (fork pin) insertion hole formed in the single-sided self-adhesive sheet 5. Therefore, each of these holes is formed in the upper region 52 by using a tool (punch) and a processing device used for forming a jig insertion hole for trunk wiring.

  In the wire harness according to the embodiment described above, the trunk line 4 is sandwiched between the single-sided self-adhesive sheets 5 and the single-sided self-adhesive sheets 5 are overlapped with each other so that the self-adhesive surfaces 5a overlap each other. 5 is fixed at a predetermined position. And the clamp 6 is equipped with one side of the single-sided self-adhesive sheet 5 to be bonded, and the other single-sided self-adhesive sheet 5 is equipped with indicators 7a, 7b, 7c that indicate the installation position of the clamp 6. .

  Therefore, when the wire harness 3 is fixed to the portion to be routed by the clamp 6 provided in the lower region 53 that is one region of the single-sided self-adhesive sheet 5, it is the other region of the single-sided self-adhesive sheet 5. Using the positions of the indicators 7a, 7b, 7c provided in the upper region 52 as a guide, the clamp 6 can be accurately aligned with the clamp locking hole of the portion to be routed. And the clamp 6 can be easily fitted to the clamp latching hole of a to-be-routed part by pushing down a clamp part to the to-be-routed part side in the aligned state. Accordingly, the wire harness 3 can be easily fixed to the portion to be routed.

  In addition, the indicators 7a, 7b, and 7c provided on the single-sided self-adhesive sheet 5 are not solid parts that require a molding die, but are holes having a predetermined shape that are formed through the single-sided self-adhesive sheet 5 by punching. .

  Therefore, it is not necessary to manufacture expensive molding dies when changing the design of the indicators 7a, 7b, 7c, and the design change of the indicators 7a, 7b, 7c can be realized at a low cost and in a short period of time.

  Further, in the wire harness of one embodiment, the indicators 7a, 7b, 7c are holes formed by punching, and can be easily changed by changing the tool used for punching or by increasing or decreasing the number of holes formed by punching. In addition, the design of the indicators 7a, 7b, and 7c can be changed in a short time and at a low cost.

  Moreover, in the wire harness according to one embodiment, the holes serving as the indicators 7a, 7b, and 7c are single holes having the same shape as the main line wiring jig insertion holes formed in the single-sided self-adhesive sheet 5, or a combination thereof. . Therefore, existing tools and processing devices prepared for forming a jig insertion hole for trunk wiring can be used to form the indicators 7a, 7b, and 7c. In the processing equipment, it is only necessary to change the specifications on the program, and no specialized tools for the indicators 7a, 7b, 7c are required, so the formation of the indicators 7a, 7b, 7c and the design of the indicators 7a, 7b, 7c can be changed. Further, it can be realized at a lower cost and in a shorter period of time.

  Further, when the indicators 7a, 7b, and 7c are holes, the position of the clamp 6 can be confirmed with the touch feeling, and the alignment between the clamp by the indicator and the clamp locking hole of the portion to be routed is easy. Become.

  In the above-described embodiment, the indicators 7 a, 7 b, and 7 c that indicate the position of the clamp 6 are holes that penetrate the upper region 52. However, the indicators 7a, 7b, and 7c are not limited to one embodiment, and may be marks (marks) formed by printing on the outer surface (non-adhesive surface 5a) of the upper region 52.

  In this way, the indicators 7a, 7b, and 7c are marks (marks) formed by printing, and indicate the shapes and dimensions of the indicators 7a, 7b, and 7c on the program that prints the indicators 7a, 7b, and 7c. The design of the indicators 7a, 7b, 7c can be changed simply by changing the instruction information. In other words, when the indices 7a, 7b, and 7c are marks formed by printing, since the hardware is not changed when the indices 7a, 7b, and 7c are changed, it is simple, inexpensive, and in a short time. The design of the indicators 7a, 7b, 7c can be changed.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

  For example, the indicators 7a, 7b, and 7c may not be a combination of holes having the same shape but may be holes having different shapes.

  Moreover, the normal single-sided adhesive sheet in which the adhesive layer was formed in the one side whole area of a sheet | seat can also be used instead of a single-sided self-adhesive sheet.

  Here, the features of the embodiment of the wire harness according to the present invention described above are briefly summarized and listed in the following [1] to [3], respectively.

[1] Main line (4),
A single-sided pressure-sensitive adhesive sheet (5) that covers and covers the trunk line (4) and is bonded by overlapping a pair of edges (51, 51) along the trunk line (4);
A clamp (6) mounted in a clamp mounting hole (55) formed on one side of the single-sided adhesive sheet (5) to be bonded;
An indicator (7a, indicating the position of the clamp mounting hole (55) with respect to the trunk line (4) provided on the side of the portion where the trunk line (4) is located on the other side of the one-sided adhesive sheet (5) to be bonded 7b, 7c)
A wire harness (3) comprising:

  [2] The indicator (7a, 7b, 7c) is a single hole having the same shape as a jig insertion hole for trunk wiring formed in the single-sided adhesive sheet (5) or a combination thereof. The wire harness (3) according to the above [1].

  [3] The wire harness (3) according to the above [1], wherein the index (7a, 7b, 7c) is printing.

3 Wire harness 4 Trunk line 5 Single-sided self-adhesive sheet 6 Clamp 7a, 7b, 7c Index 51 Edge 55 Clamp mounting hole

Claims (3)

The main line,
A single-sided pressure-sensitive adhesive sheet that covers and covers the trunk line and overlaps and bonds together a pair of edges along the trunk line;
A clamp attached to a clamp attachment hole formed on one side of the single-sided adhesive sheet to be bonded;
Provided on the side portion of the portion where the trunk line is located on the other side of the one-sided pressure-sensitive adhesive sheet to be bonded, an indicator showing the position of the clamp mounting hole with respect to the trunk line;
A wire harness comprising:   The wire harness according to claim 1, wherein the index is a single hole having the same shape as a jig insertion hole for trunk wiring formed in the single-sided adhesive sheet or a combination thereof.   The wire harness according to claim 1, wherein the index is printing.

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