JP2014007075A - Jig for specifying branching positions of branch lines and method to specify branching positions of branch lines by using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To specify the branching positions of plural branch lines branching from the trunk line of a wire harness.SOLUTION: A wire harness assembling worktable includes support shaft parts standing as being capable of bending down or being attached thereto/detached therefrom, and plural wire support parts protruding sideward from the peripheries of the support shaft parts and supporting, one by one, plural branch lines branching from the trunk line of a wire harness. The wire support parts consist of wire material provided with curved concavities for holding each branch line, and protrude in one direction from the periphery of the support shaft part at a specified height or in two opposite directions across the support shaft part. Plural stages of the wire support parts are installed along the shaft line directions of the support shaft parts and all of the wire support parts are positioned in almost one same plane. The outer peripheries of the concavities of the wire support parts are positioned inside of the concavities of wire support parts installed below the wire support parts. The branching position of each branch line is specified by binding plural branching lines under being held on the concavities of the wire support parts.

Description

  The present invention relates to a branch line branching position defining jig and a branch line branching position defining method using the jig, and more particularly, a branching position of a plurality of branch lines branched from a trunk line of a wire harness can be easily defined. It is.

  2. Description of the Related Art Conventionally, in a wire harness routed in an automobile, for example, as disclosed in Japanese Patent Application Laid-Open No. 2007-87884 (Patent Document 1), a large number of locations branching a plurality of branch lines from a trunk line are provided. Yes. In the branching part that branches the branch line from the trunk line, the outer periphery of the plurality of branch lines is bundled by tape winding or the like in order to fix the branch position of each branch line. The bundling of the branch portions is performed in a state where the electric wire bundle is arranged on the wiring jig erected on the wire harness assembly work table. For example, as shown in FIG. 10, the wire bundle at the branching portion P that branches the branch lines 101 a, 101 b, 101 c, and 101 d from the trunk line 100 is held by the wiring jig 111 erected on the wire harness assembly work table 110. At the same time, the wiring jigs 112a, 112b, 112c, and 112d hold the connectors connected to the ends of the branch wires 101a, 101b, 101c, and 101d, respectively, and the wire bundle of the branch portion P held by the wiring jig 111 The branch part P is bundled by lifting up and winding the adhesive tape T around the outer peripheral surface.

JP 2007-87884 A

  However, when the branch portion P is bundled as described above, the bundle of wires 101a, 101b, 101c, and 101d is lifted from the wiring jig 111 and bundled. , 101d crossing or twisting, the branching position of the branch line is likely to be shifted. For example, the branching position of the branch line in the branch line binding state is a position shown in FIG. However, in some cases, the position of the branch line 101a, 101b, 101c, 101d is not determined, and the branch line 101 is not routed when routing the wire harness to the vehicle. There may be a case where the size is insufficient and the connector cannot be connected to the connection counterpart device. In particular, when three or more branch lines are stacked vertically and horizontally and bound, the branch positions of the branch lines are likely to be displaced.

  The present invention has been made in view of the above problems, and when branching a plurality of branch lines branched from a trunk line of the wire harness on the wire harness assembly work table and fixing the branch position of each branch line, the branch line It is an object to be able to define a branch position without causing a shift in the branch position.

In order to solve the above-mentioned problems, a first invention is provided with a support shaft portion that is tiltably or detachably installed on a wire harness assembly work table, and a trunk wire trunk that protrudes laterally from the outer surface of the support shaft portion. Provided with a plurality of wire support portions for supporting a plurality of branch lines branched from one by one,
The wire support portion is made of a wire rod provided with a curved concave portion for holding the branch wires, and protrudes from the outer surface at a predetermined height of the support shaft portion or two at opposite positions sandwiching the support shaft portion. In addition, the electric wire support portion is provided in a plurality of stages along the axial direction of the support shaft portion, all the electric wire support portions are positioned on substantially the same plane, and the outer portion of the concave portion of the electric wire support portion is disposed on the electric wire. Positioned inward from the inner side of the recess of the wire support part provided below the support part,
The branch line branching position prescription treatment is characterized in that the branch lines of the branch lines are defined by binding the plurality of branch lines in a state where the branch lines are held in the recesses of the wire support part. Offering ingredients.

  As described above, in the branch line branching position defining jig of the present invention, a plurality of branch lines branched from the main line are formed on the side of the outer surface of the support shaft portion standing on the assembly work table of the wire harness. A plurality of electric wire support portions each having a concave portion to be held are protruded. In particular, one of the wire support portions protrudes from an outer surface of a predetermined height of the support shaft portion or two opposite positions sandwiching the support shaft portion, and the wire support portion is connected to the axis of the support shaft portion. A plurality of steps are provided along the direction, and all the wire support portions are positioned on substantially the same plane. Therefore, according to the above-described configuration, when a plurality of branch lines branched from the trunk line are bundled in a state where they are stacked vertically and horizontally and the branch position of each branch line is fixed, all branch lines to be branched are connected to other branches. It can hold | maintain in the recessed part of the electric wire support part of the position corresponding to a required branch position in the state isolate | separated from the line. Therefore, by bundling the plurality of branch lines in this holding state, the branch position of each branch line can be defined at the required position without the branch lines crossing or twisting.

  Further, as described above, by arranging the outer part of the concave part of the electric wire support part inward from the inner part of the concave part of the electric wire support part provided below the electric wire support part, a plurality of branch lines can be formed. After binding, the branch line branching position defining jig is not caught on the branch line even if the support shaft part of the branching line branching position defining jig is tilted or removed from the wire harness assembly work table. It can be easily detached from the branch line. Further, by making the support shaft portion tiltable or detachable, the branch line branching position defining jig can smoothly proceed with the assembly work without hindering the subsequent assembly work.

In order to erect the support shaft part on the wire harness assembly work table so that the support shaft part can be tilted, for example, a base part that rotatably supports the support shaft part can be attached to the wire harness assembly work table.
Further, the spindle portion may be erected on the wire harness assembly work table so as to be detachable by screwing or the like.

  Of the wire support portions projecting laterally from the outer surface of the support shaft portion, the wire support portion provided at the uppermost position is substantially J-shaped, and the branch line is formed by the concave portion of the wire support portion and the support shaft portion. On the other hand, the wire support portion provided below the wire support portion has a substantially U-shaped or substantially V-shaped recess continuous with the linear portion extending laterally from the outer peripheral surface of the support shaft portion. It is preferable to provide a structure in which the branch line is sandwiched by the substantially U-shaped or substantially V-shaped recess.

  As the branch line branching position defining jig of the present invention, for example, the electric wire support portion is provided in two upper and lower stages along the axial direction of the support shaft portion, and the electric wire support portion is sandwiched between the support shaft portions in the upper and lower stages. Two branches that protrude from the main line and project from the main line can be bundled as a converging body of two upper rows and two lower rows. However, according to the number of branch lines branched from the trunk line, the branch direction of the branch lines, the converging cross-sectional shape at the time of branch line bundling, etc., the wire support part is provided in three or more stages above and below along the axial direction of the support shaft part. Alternatively, a step in which only one wire support portion protrudes from the outer surface of the support shaft portion may be provided.

  Moreover, you may attach the said electric wire support part to the outer surface of the said spindle part so that attachment or detachment is possible by screwing. According to the above configuration, the number of branches and the protruding position of the wire support part can be changed according to the number of branch lines branched from the trunk line, the branch direction, the converging cross-sectional shape when branch lines are bundled, etc. The versatility of the jig can be improved.

As a second invention, a branch line branching position defining method using the branch line branching position defining jig is also provided. That is, the position of the branch part for branching a plurality of branch lines from the trunk line of the wire harness to be wired on the wire harness assembly work table, and the terminal part for holding the connector connected to the terminal of the branched branch line The branch branch position defining jig is erected between the position and the position,
The branch lines are held in the recesses of the wire support portions at positions corresponding to the branch positions of the branch lines in a bundled state, and the positions of the branch sections and the standing positions of the branch line branch position defining jigs It is preferable that the branch line branching position defining jig is tilted after the plurality of branch lines are bound to each other.

As described above, in the branch line branching position defining jig of the present invention, a plurality of branch lines branched from the main line are provided on the side of the outer surface of the supporting shaft portion standing on the assembly work table of the wire harness. A plurality of electric wire support portions each having a concave portion to be held are protruded. In particular, one of the wire support portions protrudes from an outer surface of a predetermined height of the support shaft portion or two opposite positions sandwiching the support shaft portion, and the wire support portion is connected to the axis of the support shaft portion. A plurality of steps are provided along the direction, and all the wire support portions are positioned on substantially the same plane.
Therefore, when fixing the branch position of each branch line by bundling a plurality of branch lines branched from the trunk line vertically and horizontally, it is necessary to separate all branch lines from other branch lines. Can be held in the concave portion of the wire support portion at a position corresponding to the branching position, so that the branch lines are not crossed or twisted by binding the plurality of branch lines in the held state. A branch position of each branch line can be defined at the required position.

  Further, in the branch line branching position defining jig of the present invention, the outer side of the concave portion of the electric wire support portion is positioned inward from the inner side of the concave portion of the electric wire support portion provided below the electric wire support portion. After bundling a plurality of branch wires, even if the support shaft portion of the branch wire branching position defining jig is tilted or removed from the wire harness assembly work table, the wire support portion is not caught by the branch wires. The branch position defining jig can be easily detached from the branch line. Further, by making the support shaft portion tiltable or detachable, the branch line branching position defining jig does not become an obstacle to the subsequent assembling work, so that the assembling work can proceed smoothly.

It is a perspective view which shows the branch line branch position prescription | regulation jig | tool of embodiment of this invention. (A) is a principal part enlarged front view of the branch line branch position prescription | regulation jig erected on the wire harness assembly work table, (B) is a principal part enlarged side view. It is a perspective view which shows the state which wired the branch line branched from a trunk line to a wire harness assembly work table, and was made to support each branch line by the electric wire support part of a branch line branch position definition jig | tool. FIG. 4 is a sectional view taken along line BB in FIG. 3. It is a perspective view which shows the state which tilted the branch line branch position prescription | regulation jig | tool after binding branch lines and defining the branch position of each branch line. It is CC sectional view taken on the line of FIG. It is a partially exploded perspective view which shows the branch line branch position prescription | regulation jig | tool used for the modification of this embodiment. It is sectional drawing of the branch line branch position prescription | regulation jig | tool which supported the branch line. It is sectional drawing of the branch line in which the branch position was prescribed | regulated. It is a figure which shows a prior art example. It is a figure which shows a prior art example.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 6 show an embodiment of the present invention.
The wire harness routed in the vehicle is provided with many locations where a plurality of branch lines 2 made of a bundle of wires smaller than the trunk line 1 are branched from the trunk line 1 made of a plurality of wires. In the present embodiment, on the wire harness assembly work table 10, the trunk line 1 and the four branch lines 2a, 2b, 2c, and 2d that are branched from the trunk line 1 in different directions are routed according to the arrangement form in the vehicle. When the branch lines 2a, 2b, 2c, and 2d are tape-bound to fix the branch positions of the branch lines 2a, 2b, 2c, and 2d, the branch line branch position defining rule shown in FIGS. The branch positions of the branch lines 2a, 2b, 2c, and 2d are defined using the tool 11.

  As shown in FIG. 3, the wire bundle of the branch part P that branches the four branch lines 2a, 2b, 2c, and 2d from the trunk line 1 is held by the wiring jig 21 and branched in four directions. The connectors 3a, 3b, 3c, and 3d connected to the ends of the branched wires 2a, 2b, 2c, and 2d are held by the wiring jigs 22a, 22b, 22c, and 22d. In the present embodiment, the branch lines 2a and 2b are branched upward from the branch lines 2c and 2d, and the branch lines 2a and 2c are branched leftward from the branch lines 2b and 2d when viewed from the main line 1 side.

In order to define the branch positions of the branch lines 2a, 2b, 2c, and 2d to the positions shown in FIG. 6, the branch part P and the terminal parts of the branch lines 2a, 2b, 2c, and 2d (connectors 3a, 3b, 3c, and 3d) The branch line branching position defining jig 11 is erected at a predetermined position close to the branching part P between the two.
The branch line branching position defining jig 11 includes a columnar support shaft portion 12 that can be tilted on the wire harness assembly work table 10, and four protruding from the outer peripheral surface of the support shaft portion 12. Four electric wire support portions 13a, 13b, 13c, and 13d that respectively support the branch wires 2a, 2b, 2c, and 2d are provided. The wire support portions 13a, 13b, 13c, and 13d are made of a wire rod provided with recesses 14a, 14b, 14c, and 14d for holding the branch wires 2a, 2b, 2c, and 2d. The branch lines 2a and 2b are provided so as to project on the upper side in the axial direction and branch upward. On the other hand, the wire support portions 13c and 13d are provided on the lower side in the axial direction of the support shaft portion 12 so as to support the branch lines 2c and 2d that are branched downward from the branch lines 2a and 2b.

The two upper-side electric wire support portions 13 a and 13 b protrude from the outer peripheral surface of the opposing position across the support shaft portion 12. Further, the two lower wire support portions 13c and 13d also protrude from the outer peripheral surface at the opposite position with the support shaft portion 12 interposed therebetween.
The upper wire support portions 13a and 13b are substantially J-shaped, and the branch wires 2a and 2b are sandwiched between the recess portions 14a and 14b of the wire support portions 13a and 13b and the support shaft portion 12, respectively. On the other hand, the lower wire support portions 13c and 13d are provided with substantially V-shaped concave portions 14c and 14d continuously from the straight portions 15c and 15d extending laterally from the outer peripheral surface of the support shaft portion 12, respectively. The branch lines 2c and 2d are sandwiched between the V-shaped recesses 14c and 14d, respectively.
The upper wire support portions 13a and 13b and the lower wire support portions 13c and 13d are positioned on substantially the same plane (hereinafter referred to as a wire support portion forming surface), and are recessed portions of the upper wire support portions 13a and 13b. The outer portions 14a-1 and 14b-1 of 14a and 14b are positioned inward from the inner portions 14c-1 and 14d-1 of the concave portions 14c and 14d of the lower wire support portions 13c and 13d.

  The support shaft portion 12 is erected so that the wire support portion forming surface of the branch wire branching position defining jig 11 intersects with the branch wires 2a, 2b, 2c, and 2d, and the support shaft The support 12 is supported on the base 16 attached to the wire harness assembly work table 10 so that the part 12 can be tilted away from the branch part P (the direction of arrow A in FIGS. 2 and 3 and the front side in FIG. 4). A lower portion of the shaft portion 12 is rotatably supported.

  Specifically, the base portion 16 includes a support shaft holding portion 17 including both side walls and a bottom wall provided along the branch axis direction, and a screw portion protruding downward from the bottom surface of the bottom wall of the support shaft holding portion 17. 18 and. The lower part of the support shaft part 12 is sandwiched in the recess between the both side walls, and the shaft member 19 is passed through the through hole 17a provided in the both side walls and the through hole 12a provided in the lower part of the support shaft part 12 so as to communicate with each other. The support shaft portion 12 is rotatable. Further, in order to maintain the standing state of the support shaft portion 12, a convex portion 17 b pressed against the lower end surface 12 b of the support shaft portion 12 is provided so as to protrude from the upper surface of the bottom wall of the support shaft holding portion 17. In addition, the lower end surface 12b of the support shaft part 12 is processed into an inclined shape so that the lower end surface 12b does not contact the bottom wall due to the rotation of the support shaft part 12. On the other hand, the screw portion 18 projecting from the lower surface of the bottom wall of the base portion 16 is passed through the screw hole 10a provided in the wire harness assembling work table 10, and the nut N is fastened from the back surface side, whereby the base portion 16 is assembled into the wire harness assembly. It can be attached to the work table 10.

  As shown in FIGS. 3 and 4, the branch lines 2a, 2b, 2c, and 2d are held in the recesses 14a, 14b, 14c, and 14d of the wire support portions 13a, 13b, 13c, and 13d of the branch line branching position defining jig 11. In this state, the adhesive tape T is wound around the outer peripheral surfaces of the branch lines 2a, 2b, 2c, and 2d at a position between the branch portion P and the standing position of the branch line branch position defining jig 11. Thereby, the branch position of branch line 2a, 2b, 2c, 2d can be prescribed | regulated to the position shown in FIG. Further, after the completion of the tape winding and binding, the branch line branching position defining jig 11 can be tilted as shown in FIG. 5, so that the branch line branching position defining jig 11 does not become an obstacle to the subsequent assembly work. Work can proceed smoothly.

  In the present embodiment, the support shaft portion 12 of the branch line branching position defining jig 11 is tiltable. However, it may be configured to be detachably mounted on the wire harness assembly worktable 10 by screwing or the like. . After the tape winding is completed, the branch line branch position defining jig 11 is easily detached from the branch lines 2a, 2b, 2c and 2d by releasing the screw and removing the branch line branch position defining jig 11 downward. be able to.

7 to 9 show modifications of the embodiment.
In the branch line branching position defining jig 31 of this modification, the wire support portions 33a, 33b, 33c, and 33d are detachably attached to the outer peripheral surface of the support shaft portion 32 by screwing. For example, as shown in FIG. 7, connecting portions (34a: not shown) 34b, 34c, and 34d arranged on the outer surface of the support shaft portion 32 project from the inner ends of the wire support portions 33a, 33b, 33c, and 33d. And through holes (34a-1, 34b-1: not shown) 34c-1 (34d-1: not shown) and support shafts provided in the connecting portions (34a: not shown) 34b, 34c, 34d The wire support portions 33a, 33b, 33c, and 33d are connected to the outer periphery of the support shaft portion 32 by inserting and fastening screws (35a: not shown) 35b, 35c, and 35d in communication with the screw holes 36 provided in the portion 32. It can be detachably attached to the surface.

  According to the branch line branching position defining jig 31 having the above-described configuration, for example, when the three branch lines 2a, 2b, and 2c are branched from the trunk line 1, the wire support portion 33d is connected to the support shaft portion 32. The branch line branching position defining jig 31 as shown in FIG. 8 is used, and the branch lines 2a, 2b, 3c are supported in a state where the three branch lines 2a, 2b, 2c are supported by the wire support portions 33a, 33b, 33c. By bundling 2c with tape, the branch position of the three branch lines 2a, 2b, and 2c can be defined at the position shown in FIG.

DESCRIPTION OF SYMBOLS 1 Trunk line 2 Branch line 10 Wire harness assembly work table 11, 31 Branch line branch position prescription | regulation jig | tool 12, 32 Shaft part 13, 33 Electric wire support part 14 Recessed part 15 Straight part

Claims (5)

A support shaft portion that can be tilted or detachably mounted on the wire harness assembly work table, and a plurality of branch lines that protrude from the outer surface of the support shaft portion and are branched from the trunk line of the wire harness one by one. It has a plurality of wire support parts to support,
The wire support portion is made of a wire rod provided with a curved concave portion for holding the branch wires, and protrudes from the outer surface at a predetermined height of the support shaft portion or two at opposite positions sandwiching the support shaft portion. In addition, the electric wire support portion is provided in a plurality of stages along the axial direction of the support shaft portion, all the electric wire support portions are positioned on substantially the same plane, and the outer portion of the concave portion of the electric wire support portion is disposed on the electric wire. Positioned inward from the inner side of the recess of the wire support part provided below the support part,
The branch line branching position prescription treatment is characterized in that the branch lines of the branch lines are defined by binding the plurality of branch lines in a state where the branch lines are held in the recesses of the wire support part. Ingredients.   Of the wire support portions projecting laterally from the outer surface of the support shaft portion, the wire support portion provided at the uppermost position is substantially J-shaped, and the branch line is formed by the concave portion of the wire support portion and the support shaft portion. On the other hand, the wire support portion provided below the wire support portion has a substantially U-shaped or substantially V-shaped recess continuous with the linear portion extending laterally from the outer peripheral surface of the support shaft portion. The branch line branching position defining jig according to claim 1, wherein the branch line position defining jig is provided so as to sandwich the branch line by a substantially U-shaped or substantially V-shaped recess.   The electric wire support portion is provided in two upper and lower stages along the axial direction of the support shaft portion, and at the upper and lower steps, two wire support portions are protruded at opposing positions sandwiching the support shaft portion, and branched from the main line. The branch line branching position defining jig according to claim 1 or 2, wherein four branch lines can be bundled as a focusing body of two upper rows and two lower rows.   The branch line branching position defining jig according to any one of claims 1 to 3, wherein the wire support portion is detachably attached to the outer surface of the support shaft portion by screwing. A position of a branching part for branching a plurality of branch lines from a trunk line of the wire harness to be wired on the wire harness assembly work table, and a position of a terminal part for holding a connector connected to a terminal of the branched branch line The branch line branching position defining jig is erected between
The branch lines are held in the recesses of the wire support portions at positions corresponding to the branch positions of the branch lines in a bundled state, and the positions of the branch sections and the standing positions of the branch line branch position defining jigs The branch line branching position according to any one of claims 1 to 4, wherein the branch line branching position defining jig is tilted after the plurality of branch lines are bound to each other. A branch line branching position defining method using a defining jig.

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