JP6002401B2 - Wire harness and method of manufacturing wire harness - Google Patents

Description

The present invention relates to a method of manufacturing a wire harness scan and Wa ear harness.

In many cases, wire harnesses consisting of a large number of wire groups that are routed in automobiles are tape-wrapped to focus and protect these wire groups. Have been proposed to collectively protect the group of wires.
As shown in FIG. 8, this type of wire harness sheet 501 is provided with an adhesive layer on one surface, peels off the release paper, sets the electric wire group 503 at a specified position, and bonds the adhesive surface together. Protect the wire group.

Further, in Patent Document 1, as shown in FIG. 9A, a wire harness in which a protective sheet 513 having an adhesive layer on the back surface is wound around and fixed to a T-shaped branch portion 511 where a branch line 509 branches from a main line 507. A protective structure for the bifurcation is disclosed.
The protective sheet 513 has a cross shape in which a vertical and horizontal continuous portion 519 of a vertical portion 515 and a horizontal portion 517 is cut from both ends. Then, as shown in FIG. 9B, the vertical and horizontal continuous portion 519 is wound around the outer peripheral surface of the main line 507 opposite to the branch side, and the lateral portions 517 on both sides are spread over the entire outer peripheral surface of the main line 507 on both sides of the branch portion. Each of them is fixed by winding “no” (wound in a spiral). On the other hand, both sides of the vertical part 515 are fixed to the outer peripheral surfaces of the opposite half circumferences from the trunk line 507 to the branch line 509 of the branch part 511, and both sides of the vertical part 515 are bonded and fixed on both sides of the branch line 509 to branch. The entire outer peripheral surface of the trunk line 507 and the branch line 509 at the position is covered with a protective sheet 513.

JP 2007-288898 A

However, the wire harness sheet 501 shown in FIG. 8 has an adhesive on the bonding surface, and once the wire group 503 sticks to the adhesive surface, it is difficult to remove the wire group 503. It may be bent as shown in a) and not reach the ideal position. When the wire harness sheet 501 is bonded in this state, as shown in FIG. 8B, the wire harness 505 has a problem that the appearance of the wire harness 505 is lowered or the wire group 503 is shorter than a predetermined length. For this reason, in the manufacturing method of the wire harness using the sheet | seat 501 for the conventional wire harness, the operator had to work while caring, and it took time. On the other hand, if special manufacturing equipment such as a positioning jig is used, the cost increases.
Moreover, since the protective sheet 513 shown in Patent Document 1 is formed in a cross shape, when this is used for the linear electric wire group 503, there is a problem that the covering center portion swells to a large diameter. In addition, the manufacture of the protective sheet 513 requires die cutting, which increases costs and has a complicated shape, which makes it difficult to store and transport, and is difficult to handle.

The present invention has been made in view of the above circumstances, and an object does not require any special machines, the production of wire harness scan and word ear harness the wire group can be fixed in the correct position without being bent manually It is to provide a method.

The above object of the present invention is achieved by the following configuration.
(1) A sheet substrate formed into a quadrangle by a pair of first and second sides extending in a parallel first direction and a third and fourth sides extending in a second direction perpendicular to the first and second sides. When,
An adhesive layer provided on one surface of the sheet base material on which an electric wire group extending only in a straight line in parallel with the first direction is placed;
At each of the first position of the sheet base material close to the third side portion in the first direction and the second position of the sheet base material close to the fourth side portion in the first direction. , and four slits which are cut formed between the both of the first side portion and the second side portion to placing region of said second direction the wire group along,
The electric wire group provided on one surface of the sheet base material,
The placement area is provided equidistant from the first side and the second side;
Each of the pair of temporarily fixed sheet pieces formed on the outer side in the first direction with respect to the four slits of the sheet base material overlaps with the electric wire group placed in the placement area interposed therebetween. Fixed to the wire group by the adhesive layer in a folded state ,
The main fixing sheet portion sandwiched between the pair of temporary fixing sheet pieces is fixed to the electric wire group by the adhesive layer in a state of being folded in two so as to sandwich the electric wire group placed in the placement area. Wire harness characterized by being made.

According to the wire harness having the configuration (1), both sides of the linearly stretched electric wire group are fixed by the pair of temporary fixing sheet pieces of the sheet base material, and the sheet base material without wrinkles in the electric wire group without slack Are relatively positioned. Since this fixed sheet portion is wound around the central portion of the electric wire group in this positioned state, the sheet base material is positioned and fixed at an accurate position on the linear electric wire group, and a uniform wire harness having a good appearance can be obtained at low cost. It is done. In addition, the wire group placed in the center part of the sheet base material is bonded to the sheet base member by folding in two with the position of the wire group being the folding position. Can be sandwiched and covered.

(2) A sheet substrate formed into a quadrangle by a pair of first and second sides extending in a parallel first direction and third and fourth sides extending in a second direction perpendicular to the first and second sides. When,
An adhesive layer provided on one surface of the sheet base material on which an electric wire group extending only in a straight line in parallel with the first direction is placed;
At each of the first position of the sheet base material close to the third side portion in the first direction and the second position of the sheet base material close to the fourth side portion in the first direction. , two and only slits are cut formed between only the second side portion of the first side portion and the second side portion to placing region of said second direction the wire group along,
The electric wire group provided on one surface of the sheet base material,
The placement area is provided closer to the first side than the second side,
Each of the pair of temporarily fixed sheet pieces formed outside the two slits of the sheet base material in the first direction is wound around the wire group placed in the placement area. Fixed to the wire group by the adhesive layer in a state ,
The fixed sheet portion sandwiched between the pair of temporarily fixed sheet pieces is fixed to the wire group by the adhesive layer in a state of being wrapped around the wire group placed in the placement area. Wire harness.

According to the wire harness having the configuration of (2) above, the both sides of the linearly stretched electric wire group are fixed by the pair of temporary fixing sheet pieces of the sheet base material, and there is no wrinkle in the electric wire group without slack Are relatively positioned. Since this fixed sheet portion is wound around the central portion of the electric wire group in this positioned state, the sheet base material is positioned and fixed at an accurate position on the linear electric wire group, and a uniform wire harness having a good appearance can be obtained at low cost. It is done. In addition, the temporary fixing sheet piece portion and the main fixing sheet portion are wound around multiple times around the electric wire group placed along the first side portion of the sheet base material, thereby covering the electric wire group with the same outer diameter. be able to.

(3) A sheet substrate formed into a quadrangle by a pair of first and second sides extending in a parallel first direction and a third and fourth sides extending in a second direction perpendicular to the first and second sides. When,
An adhesive layer provided on one surface of the sheet base material on which an electric wire group extending only in a straight line in parallel with the first direction is placed;
At each of the first position of the sheet base material close to the third side portion in the first direction and the second position of the sheet base material close to the fourth side portion in the first direction. , and a four slits which are cut formed between the both of the first side portion and the second side portion to placing region of said second direction the wire group along the front, wherein depositing area Use a wire harness sheet provided at an equal distance from the first side and the second side ,
Placing the wire group in parallel with the first direction in the placement region on one side of the sheet base;
Each of the pair of temporarily fixed sheet pieces formed outside the four slits of the sheet base material in the first direction is folded in half so as to overlap with the electric wire group interposed therebetween. Fixing to the group with the adhesive layer;
After fixing the pair of temporary fixing sheet pieces, said permanent fixing seat portion to be sandwiched between the pair of temporary fixing sheet piece portion, the wire group by the folio so as to overlap each other across the wire group Fixing with an adhesive layer;
A method of manufacturing a wire harness, comprising:

According to the method for manufacturing the wire harness having the configuration of (3) above, a pair of temporarily fixed sheet pieces provided on both sides of the sheet base material are fixed to both sides of the linearly stretched electric wire group. A sheet | seat base material will be positioned with respect to the electric wire group which has not produced the bending. In this state, the main fixing sheet portion positioned between the pair of temporary fixing sheet pieces is fixed to the electric wire group between the temporary fixing sheet pieces. It will be fixed to the group. In other words, the temporarily fixed sheet piece portion acts as a fixing means for preventing positional displacement. Once the temporarily fixed sheet piece is fixed to the linear electric wire group, then even if the electric wire group is bent and the sheet base material becomes a wrinkle, if the electric wire group is straightened again, the sheet base The material is repositioned following the electric wire group, and the fixing sheet portion can be fixed at an accurate position with respect to the electric wire group. In addition, the wire group placed in the center part of the sheet base material is bonded to the sheet base member by folding in two with the position of the wire group being the folding position. Can be sandwiched and covered.

(4) A sheet substrate formed into a quadrangle by a pair of first and second sides extending in a parallel first direction and third and fourth sides extending in a second direction perpendicular to the first and second sides. When,
An adhesive layer provided on one surface of the sheet base material on which an electric wire group extending only in a straight line in parallel with the first direction is placed;
At each of the first position of the sheet base material close to the third side portion in the first direction and the second position of the sheet base material close to the fourth side portion in the first direction. , two and only slits are cut formed between only the second side portion of the first side portion and the second side portion to placing region of said second direction the wire group along, Using the wire harness sheet provided with the placement area closer to the first side than the second side ,
Placing the wire group in parallel with the first direction in the placement region on one side of the sheet base;
Each of the pair of temporary fixing sheet pieces formed on the outer side in the first direction than the two slits of the sheet base material is wrapped around the electric wire group in multiple layers by the adhesive layer. Fixing, and
After fixing the pair of temporary fixing sheet piece, the step of fixing by the adhesive layer on the wire group by wrapping the fixing seat portion sandwiched by the pair of temporary fixing sheet piece, the multiplexing in the wire group When,
A method of manufacturing a wire harness, comprising:

According to the method of manufacturing the wire harness having the configuration of (4) above, a pair of temporarily fixed sheet pieces provided on both sides of the sheet base material are fixed to both sides of the linearly stretched electric wire group. A sheet | seat base material will be positioned with respect to the electric wire group which has not produced the bending. In this state, the main fixing sheet portion positioned between the pair of temporary fixing sheet pieces is fixed to the electric wire group between the temporary fixing sheet pieces. It will be fixed to the group. In other words, the temporarily fixed sheet piece portion acts as a fixing means for preventing positional displacement. Once the temporarily fixed sheet piece is fixed to the linear electric wire group, then even if the electric wire group is bent and the sheet base material becomes a wrinkle, if the electric wire group is straightened again, the sheet base The material is repositioned following the electric wire group, and the fixing sheet portion can be fixed at an accurate position with respect to the electric wire group. In addition, the temporary fixing sheet piece portion and the main fixing sheet portion are wound around multiple times around the electric wire group placed along the first side portion of the sheet base material, thereby covering the electric wire group with the same outer diameter. be able to.

  According to the wire harness sheet, the wire harness, and the method of manufacturing the wire harness according to the present invention, a special processing machine is not required, and the wire group can be fixed at an accurate position without being bent manually.

  The present invention has been briefly described above. Further, 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. .

It is a top view of the sheet | seat for wire harnesses which concerns on 1st Embodiment of this invention. It is process drawing which showed the manufacturing method of the wire harness using the sheet | seat for wire harnesses shown in FIG. 1 in the procedure of (a)-(d). It is AA sectional drawing of FIG.2 (d). It is a top view of the wire harness with a branch line which concerns on the modification which covered the electric wire group with a branch line which has a T-shaped branch part using the sheet | seat for wire harnesses shown in FIG. It is a top view of the sheet | seat for wire harnesses concerning 2nd Embodiment of this invention. It is process drawing which showed the manufacturing method of the wire harness using the sheet | seat for wire harnesses shown in FIG. 5 in the procedure of (a)-(d). It is BB sectional drawing of FIG.6 (d). (A) is a top view of the sheet | seat for conventional wire harnesses in which the electric wire group was mounted, (b) is a perspective view of the wire harness in which the sheet | seat for wire harnesses of (a) was bonded together. (A) is a perspective view of the electric wire group which has a T-shaped branch part, and a cross-shaped wire harness sheet | seat, (b) is sectional drawing which shows the adhering method of the sheet | seat for wire harnesses of (a).

Embodiments according to the present invention will be described below with reference to the drawings.
FIG. 1 is a plan view of a wire harness sheet according to the first embodiment of the present invention.
The wire harness sheet 11 according to the first embodiment is roughly divided into a sheet base material 13, an adhesive layer 15 (see FIG. 3), and a slit 17. The sheet base 13 is formed into a quadrangle by a pair of parallel first side 19 and second side 21 and a third side 23 and fourth side 25 that are orthogonal to these. As the sheet base material 13, known polyolefin resins such as polyethylene and polypropylene, polyurethane resins, polystyrene resins, acrylic resins, vinyl chloride resins, polycarbonate resins, and other plastics can be used.

  The adhesive layer 15 is provided on one surface of the sheet base material 13 on which the electric wire group 27 (see FIG. 2) is placed in parallel with the first side portion 19 and the second side portion 21. In the electric wire group 27, a plurality of covered electric wires 29 (see FIG. 3) are bundled to form a straight line. The adhesive layer 15 is formed by being provided on the entire surface on which the electric wire group 27 is installed or a part thereof. For the formation of the adhesive layer 15, various known adhesives such as acrylic, rubber and silicone can be used.

The slit 17 is provided close to the third side portion 23 and the fourth side portion 25, and extends along at least one of the first side portion 19 and the second side portion 21 along the third side portion 23 and the fourth side portion 25. In parallel, a cut is formed between the electric wire group 27 and the mounting area 31. In the wire harness sheet 11 according to the first embodiment, the placement region 31 is provided at an equal distance from the first side portion 19 and the second side portion 21. The pair of slits 17 are formed by cutting from both the first side 19 and the second side 21 toward the placement region 31. Accordingly, the slit 17 is not formed in the placement region 31. In the drawings of the present application, the slit 17 is illustrated with a gap for the sake of clarity. However, since the slit 17 is actually only cut and formed in the sheet base material 13, no gap is generated. Of course, it is also possible to form a slit having a gap as shown.
Therefore, in the wire harness sheet 11 of the first embodiment, the left and right outer sides of the slits 17 are temporarily fixed sheet piece portions 33, and the left and right inner sides of the slits 17 sandwiched between the pair of temporarily fixed sheet piece portions 33 are permanently fixed. It becomes the sheet part 35. That is, the wire harness sheet 11 is provided with the slits 17 so that the temporarily fixed sheet piece portions 33 having degrees of freedom on both the left and right sides are formed. In the wire harness sheet 11, the slits 17 may be provided on either the left or right side instead of the left and right sides.

Next, the manufacturing method of the wire harness 37 using the sheet | seat 11 for wire harnesses is demonstrated.
2 is a process diagram showing a method of manufacturing a wire harness using the wire harness sheet shown in FIG. 1 in the order of (a) to (d), and FIG. 3 is a cross-sectional view taken along line AA in FIG. It is.
First, as shown to Fig.2 (a), the electric wire group 27 is set to the adhesion layer 15 of the sheet | seat 11 for wire harnesses. At this time, the electric wire group 27 is set at the center of the sheet base material 13 (that is, the placement region 31). Further, in this setting, the electric wire group 27 is tensioned so as not to loosen.

  Next, as shown in FIG. 2 (b), either the left or right (left in the first embodiment) temporary fixing sheet piece 33 is placed on the opposite side temporarily fixing sheet piece 33 across the wire group 27. Are folded in half so as to overlap with each other, and the temporary fixing sheet piece 33 on one side is adhesively fixed to the electric wire group 27.

  Next, as shown in FIG. 2 (c), the temporary fixing sheet piece 33 on either the left or right side (right side in the first embodiment) is placed on the opposite side of the temporary fixing sheet piece 33 across the electric wire group 27. And the remaining temporarily fixed sheet piece 33 on one side is adhesively fixed to the electric wire group 27. At this time, the remaining temporarily fixed sheet piece 33 is fixed to the electric wire group 27 so that the electric wire group 27 does not loosen.

  Finally, as shown in FIG. 2D, the remaining main fixing sheet portion 35 is folded in half with the electric wire group 27 interposed therebetween, and is overlapped with the main fixing sheet portion 35 on the opposite side with the electric wire group 27 interposed therebetween. Then, the fixed sheet portion 35 and the electric wire group 27 are adhesively fixed. Thereby, manufacture of the wire harness 37 by which the electric wire group 27 was covered with the sheet | seat 11 for wire harnesses is completed.

  That is, in the manufacturing method of the first embodiment, the wire harness sheet 11 is used, the step of placing the electric wire group 27 on one surface of the sheet base material 13, and the outside of the slit 17 of the sheet base material 13. A step of fixing the pair of temporarily fixed sheet pieces 33 formed on the wire group 27 by the adhesive layer 15, and fixing the temporary fixed sheet pieces 33 after being fixed between the pair of temporarily fixed sheet pieces 33. Fixing the sheet portion 35 to the electric wire group 27 with the adhesive layer 15.

  By fixing a pair of temporary fixing sheet pieces 33 provided on both sides of the sheet base material 13 to both sides of the linearly-carrying electric wire group 27, the sheet can be attached to the electric wire group 27 that is not bent. The base material 13 is positioned. In this state, the main fixing sheet portion 35 positioned between the pair of temporary fixing sheet piece portions 33 is fixed to the electric wire group 27 between the temporary fixing sheet piece portions 33, so that the main fixing sheet portion 35 is It will be fixed to the electric wire group 27 at an accurate position. That is, the temporarily fixed sheet piece portion 33 functions as a fixing means for preventing the positional deviation. Once the temporarily fixed sheet piece portion 33 is fixed to the linear electric wire group 27, the electric wire group 27 is linearized again even if the electric wire group 27 is bent and the sheet base material 13 becomes wrinkles. If stretched, the sheet base material 13 is repositioned following the electric wire group 27. For this reason, this fixed sheet | seat part 35 can be fixed in the exact position with respect to the electric wire group 27. FIG.

  In the wire harness sheet 11 according to the first embodiment, the wire group 27 stretched linearly is placed on the placement region 31 of the sheet base material 13, and the sheet base material 13 is placed on the placement region 31. The ends are fixed to the electric wire group 27 by a pair of temporary fixing sheet pieces 33 formed outside the slit 17. Both sides of the planar sheet base material 13 are fixed to both sides of the linear electric wire group 27, and the sheet base material 13 is fixed in a state along the linear electric wire group 27. When the fixed sheet portion 35 sandwiched between the pair of temporarily fixed sheet piece portions 33 is attached to the electric wire group 27 in this state, the sheet base material 13 is positioned on the electric wire group 27 by the temporarily fixed sheet piece portion 33. Thus, the fixed sheet portion 35 is fixed to the electric wire group 27 at an accurate position. The sheet base material 13 fixed to the electric wire group 27 has the same width W or the same diameter D in the temporarily fixed sheet piece portion 33 and the main fixed sheet portion 35. Furthermore, since the sheet base material 13 has a rectangular shape, it can be manufactured at low cost, and handling such as storage and conveyance is easy.

  Furthermore, in the wire harness 37 according to the first embodiment, the sheet base material 13 is folded in half with respect to the electric wire group 27 placed at the center of the sheet base material 13 with the position of the electric wire group 27 being the folding position. By bonding, the electric wire group 27 can be sandwiched and covered with an easy and short work.

In addition, the sheet | seat 11 for wire harnesses which concerns on this 1st Embodiment can use the self-adhesive sheet which can be bonded together only by aligning own adhesive layers. The self-adhesive sheet can be easily applied only by aligning the adhesive surfaces without using glue or a binding tape. Furthermore, the self-adhesive sheet does not cause the special pressure-sensitive adhesive layer to stick to the electric wire bundle, the operator's fingers, or the like, and does not deteriorate the assembly workability. In the self-adhesive sheet, a surface material is laminated on the surface of a sheet base material made of PP (polypropylene) foam, and a special pressure-sensitive adhesive layer (adhesive layer) is 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.
The pressure-sensitive adhesive layer of the present invention is not limited to the above-mentioned special pressure-sensitive adhesive layer, and it goes without saying that various known pressure-sensitive adhesive layers can be used.

Next, Modification 1 according to the first embodiment of the present invention will be described.
FIG. 4 is a plan view of a branch-attached wire harness 43 according to a modification in which the wire harness-attached group 41 having the T-shaped branch portion 39 is covered using the wire harness sheet 11 shown in FIG.
The sheet 11 for wire harness according to the first embodiment can be suitably used also when protecting the branch-attached electric wire group 41 having, for example, a T-shaped branch portion 39 that branches the branch line 47 from the main line 45. . That is, the wire harness sheet 11 can be used for both the linear electric wire group 27 and the branch-attached electric wire group 41.

  In the branch-attached electric wire group 41, the trunk line 45 is placed on the placement region 31, and the branch line 47 is placed on one of the main fixed sheet portions 35. As in the case of the electric wire group 27 described above, the main wire 45 is folded in half so that the left and right temporary fixing sheet pieces 33 overlap the temporary fixing sheet piece 33 on the opposite side across the main wire 45. The piece 33 is adhesively fixed to the main line 45.

  Finally, the remaining main fixing sheet portion 35 is folded in half with the branch portion 39 interposed therebetween, and is overlapped with the main fixing sheet portion 35 on the opposite side with the main line 45 in between, so that the main fixing sheet portion 35 and the electric wire with branch line The group 41 is adhesively fixed. Thereby, manufacture of the wire harness 43 with a branch line covered with the sheet | seat 11 for wire harnesses is completed.

FIG. 5 is a plan view of a wire harness sheet 49 according to the second embodiment of the present invention. In addition, the same code | symbol is attached | subjected to the member and site | part equivalent to the wire harness sheet | seat 11 which concerns on 1st Embodiment shown in FIGS. 1-3, and the overlapping description is abbreviate | omitted.
In the wire harness sheet 49 according to the second embodiment, the placement region 51 is provided in the sheet base material 13 close to the first side portion 19, and the pair of slits 53 are cut and formed only from the second side portion 21. The The slit 53 is not formed in the placement area 51.

  In the wire harness sheet 49 of the second embodiment, the left and right outer sides of the slits 53 are temporarily fixed sheet piece portions 55, and the left and right inner sides of the slits 53 sandwiched between the pair of temporarily fixed sheet piece portions 55 are the permanently fixed sheet portions. 57. That is, the wire harness sheet 49 is provided with the slits 53, whereby the temporarily fixed sheet piece portions 55 having degrees of freedom on both the left and right sides are formed. In the wire harness sheet 49, the slits 53 may be provided on either the left or right instead of the left and right sides.

Next, a method for manufacturing the wire harness 59 using the wire harness sheet 49 will be described.
FIG. 6 is a process diagram showing a manufacturing method of the wire harness 59 using the wire harness sheet 49 shown in FIG. 5 in the order of (a) to (d), and FIG. 7 is a BB in FIG. 6 (d). It is sectional drawing.
First, as shown to Fig.6 (a), the electric wire group 27 is set to the adhesion layer 15 (refer FIG. 7) of the sheet | seat 49 for wire harnesses. At this time, the electric wire group 27 is set on the sheet base material 13 (that is, the placement area 51) in the vicinity of the first side portion 19. Further, in this setting, the electric wire group 27 is tensioned so as not to loosen.

  Next, as shown in FIG. 6B, either one of the left and right (left in the second embodiment) temporary fixing sheet piece 55 is wrapped around the electric wire group 27 in multiple, and the temporary fixing sheet piece on one side is wound. 55 is adhesively fixed to the electric wire group 27.

  Next, as shown in FIG. 6 (c), either the left or right (in the second embodiment, right) temporary fixing sheet piece 55 is wrapped around the wire group 27 in multiple layers, and the remaining temporary fixing sheet on the other side. The piece 55 is adhesively fixed to the electric wire group 27. At this time, the remaining temporarily fixed sheet piece 55 is fixed to the electric wire group 27 so that the electric wire group 27 does not loosen.

  Finally, as shown in FIG. 6 (d), the remaining main fixing sheet portion 57 is wound around the electric wire group 27 in multiple layers, and the main fixing sheet portion 57 and the electric wire group 27 are adhesively fixed. Thereby, the manufacture of the wire harness 59 in which the electric wire group 27 is covered with the wire harness sheet 49 is completed.

  In the wire harness 59 according to the second embodiment, the temporarily fixed sheet piece portion 55 and the main fixed sheet portion 57 are multiplexed around the electric wire group 27 placed along the first side portion 19 of the sheet base material 13. The wire group 27 can be covered with the same outer diameter D by being wound around.

  In the wire harness 37 (59) manufactured in this way, the pair of temporarily fixed sheet pieces 33 (55) formed outside the slits 17 (53) of the sheet base material 13 has an adhesive layer on the electric wire group 27. 15 is fixed. Thereafter, the permanent fixing sheet portion 35 (57) sandwiched between the pair of temporarily fixing sheet piece portions 33 (55) is fixed to the electric wire group 27 by the adhesive layer 15. For this reason, both sides of the linearly stretched electric wire group 27 are fixed by the pair of temporary fixing sheet piece portions 33 () of the sheet base material 13, and the sheet base material 13 without wrinkles is relative to the electric wire group 27 without slack. Is positioned. Since the fixed sheet portion 35 (57) is wound around the central portion of the electric wire group 27 in this positioning state, the sheet base material 13 is positioned and fixed at an accurate position on the linear electric wire group 27, so that it looks and is uniform. A simple wire harness 37 (59) can be obtained at low cost.

  Therefore, according to the method for manufacturing the wire harness sheet 11 (49), the wire harness 37 (59), and the wire harness 37 (59) according to the above-described embodiment, a special processing machine is not required, and the electric wire group is formed manually. 27 can be fixed at an accurate position without bending.

  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.

DESCRIPTION OF SYMBOLS 11, 49 ... Sheet | seat 13 for wire harness ... Sheet base material 15 ... Adhesive layer 17, 53 ... Slit 19 ... 1st edge part 21 ... 2nd edge part 23 ... 3rd edge part 25 ... 4th edge part 27 ... Electric wire group 31, 51... Placement area 33, 55... Temporarily fixed sheet piece 35, 57.

Claims (4)

A sheet base material formed in a quadrangle by a pair of first and second sides extending in a parallel first direction and a third and fourth sides extending in a second direction perpendicular thereto;
An adhesive layer provided on one surface of the sheet base material on which an electric wire group extending only in a straight line in parallel with the first direction is placed;
At each of the first position of the sheet base material close to the third side portion in the first direction and the second position of the sheet base material close to the fourth side portion in the first direction. , and four slits which are cut formed between the both of the first side portion and the second side portion to placing region of said second direction the wire group along,
The electric wire group provided on one surface of the sheet base material,
The placement area is provided equidistant from the first side and the second side;
Each of the pair of temporarily fixed sheet pieces formed on the outer side in the first direction with respect to the four slits of the sheet base material overlaps with the electric wire group placed in the placement area interposed therebetween. Fixed to the wire group by the adhesive layer in a folded state ,
The main fixing sheet portion sandwiched between the pair of temporary fixing sheet pieces is fixed to the electric wire group by the adhesive layer in a state of being folded in two so as to sandwich the electric wire group placed in the placement area. Wire harness characterized by being made. A sheet base material formed in a quadrangle by a pair of first and second sides extending in a parallel first direction and a third and fourth sides extending in a second direction perpendicular thereto;
An adhesive layer provided on one surface of the sheet base material on which an electric wire group extending only in a straight line in parallel with the first direction is placed;
At each of the first position of the sheet base material close to the third side portion in the first direction and the second position of the sheet base material close to the fourth side portion in the first direction. , two and only slits are cut formed between only the second side portion of the first side portion and the second side portion to placing region of said second direction the wire group along,
The electric wire group provided on one surface of the sheet base material,
The placement area is provided closer to the first side than the second side,
Each of the pair of temporarily fixed sheet pieces formed outside the two slits of the sheet base material in the first direction is wound around the wire group placed in the placement area. Fixed to the wire group by the adhesive layer in a state ,
The fixed sheet portion sandwiched between the pair of temporarily fixed sheet pieces is fixed to the wire group by the adhesive layer in a state of being wrapped around the wire group placed in the placement area. Wire harness. A sheet base material formed in a quadrangle by a pair of first and second sides extending in a parallel first direction and a third and fourth sides extending in a second direction perpendicular thereto;
An adhesive layer provided on one surface of the sheet base material on which an electric wire group extending only in a straight line in parallel with the first direction is placed;
At each of the first position of the sheet base material close to the third side portion in the first direction and the second position of the sheet base material close to the fourth side portion in the first direction. , and a four slits which are cut formed between the both of the first side portion and the second side portion to placing region of said second direction the wire group along the front, wherein depositing area Use a wire harness sheet provided at an equal distance from the first side and the second side ,
Placing the wire group in parallel with the first direction in the placement region on one side of the sheet base;
Each of the pair of temporarily fixed sheet pieces formed outside the four slits of the sheet base material in the first direction is folded in half so as to overlap with the electric wire group interposed therebetween. Fixing to the group with the adhesive layer;
After fixing the pair of temporary fixing sheet pieces, said permanent fixing seat portion to be sandwiched between the pair of temporary fixing sheet piece portion, the wire group by the folio so as to overlap each other across the wire group Fixing with an adhesive layer;
A method of manufacturing a wire harness, comprising: A sheet base material formed in a quadrangle by a pair of first and second sides extending in a parallel first direction and a third and fourth sides extending in a second direction perpendicular thereto;
An adhesive layer provided on one surface of the sheet base material on which an electric wire group extending only in a straight line in parallel with the first direction is placed;
At each of the first position of the sheet base material close to the third side portion in the first direction and the second position of the sheet base material close to the fourth side portion in the first direction. , two and only slits are cut formed between only the second side portion of the first side portion and the second side portion to placing region of said second direction the wire group along, Using the wire harness sheet provided with the placement area closer to the first side than the second side ,
Placing the wire group in parallel with the first direction in the placement region on one side of the sheet base;
Each of the pair of temporary fixing sheet pieces formed on the outer side in the first direction than the two slits of the sheet base material is wrapped around the electric wire group in multiple layers by the adhesive layer. Fixing, and
After fixing the pair of temporary fixing sheet piece, the step of fixing by the adhesive layer on the wire group by wrapping the fixing seat portion sandwiched by the pair of temporary fixing sheet piece, the multiplexing in the wire group When,
A method of manufacturing a wire harness, comprising:

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