JP2008010156A - Wiring fixture for wire harness - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a compact wiring fixture for a wire harness, capable of effectively preventing misalignment of a reference height and a reference center value of the wired wire harness and enhancing work efficiency. <P>SOLUTION: This wiring fixture is equipped with a bottom support housing 4 and a pair of side support pins 5 disposed so as to protrude upward from the bottom support housing 4. A pair of pin supporting blocks 12, 13 are slidably mounted to slide guiding rods 9, 10 disposed in the bottom support housing 4 along their axial direction, and a center block 11 is mounted between the pin supporting blocks 12, 13 with its position fixed. Respective side support pins 5 are provided in both pin supporting blocks 12, 13 so as to be inserted in pin inserting holes 7d. Both pin supporting blocks 12, 13 are connected by a link mechanism 19 supported by a pivotally supporting pin 14 with its position fixed and point-symmetrically formed so that they can freely approach and part from each other, and are provided with a coil spring 21 biasing in the approaching direction. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a wiring harness for a wire harness that is erected on an assembly drawing board of a wire harness and contributes to the assembly of the wire harness.

  2. Description of the Related Art Conventionally, as a wire harness wiring jig standing on an assembly drawing board, there is a so-called U-shaped jig having a substantially U-shaped harness receiving portion at an upper portion. At that time, by setting the gap width of the harness receiving part to an appropriate width according to the size of the wire bundle of the wire harness, the center value does not deviate greatly even at the branch part where bending occurs, and the product has good dimensional accuracy. Can be produced.

  However, since this assembly drawing board shares a variety of product numbers, if it is selected as a standard jig as a standard jig, a U-shaped jig with a maximum gap width is set. Therefore, depending on the part number, the number of wires in the wire harness in the wire harness becomes extremely small, the wires are greatly displaced in the harness receiving part, and the center value moves when the branch part is created. There was a risk of becoming.

  Therefore, by using a structure in which the pair of wire support members that support the wire bundle of the wire harness from both sides is urged by a biasing spring in a direction in which the gap width is narrowed in order to sandwich the wire bundle, There has been proposed a wiring harness wiring jig having a structure that effectively prevents a value deviation (see, for example, Patent Document 1 to Patent Document 3).

JP-A-10-178721 Japanese Patent Laid-Open No. 2001-6459 Japanese Patent Laying-Open No. 2005-310397

  However, according to the structure of the wiring jig as disclosed in Patent Document 1, the height serving as a reference for supporting the bottom surface portion of the wire harness changes depending on the width of the gap in the pair of wire support members. In this respect, the dimensional accuracy may be deteriorated.

  Further, according to the structure of the wiring jig as disclosed in Patent Document 2, the pair of electric wire support members are independently movable toward and away from each other under the urging force of the urging spring. Therefore, there is a possibility that the center value becomes misaligned. From this point, the dimensional accuracy may be deteriorated.

  Furthermore, according to the structure of the wiring jig as disclosed in Patent Document 3, the above-mentioned drawbacks of Patent Document 1 and Patent Document 2 can be eliminated, but the pair of wire support members is centered on the pivot portion. Since the structure is configured to be able to approach and separate from each other by the rotation, the link mechanism for symmetrically interlocking is enlarged, and there is a disadvantage that handling on the assembly drawing board is inconvenient and workability is deteriorated.

  Accordingly, the problem to be solved by the present invention is that a wiring harness wiring jig that can effectively prevent a deviation in height and center value serving as a reference of a wired wiring harness and that is compact and can improve workability. Is to provide.

  The technical means for solving the above-described problems is a wiring jig for a wire harness for supporting an electric wire bundle of a wire harness that is erected on an assembly drawing board of a wire harness and is arranged along a wiring path. The bottom support housing body that supports the bottom surface of the wire harness disposed along the wiring path on the top surface, and is disposed so as to protrude upward from the bottom support housing body and is located on both sides of the wire harness. A slide guide rod having an axis parallel to the upper surface is disposed in the bottom surface support housing, and the upper surface has a long hole shape along the axial direction of the slide guide rod. A pin insertion hole is provided, and a pair of pin support blocks are mounted on the slide guide rod so as to be slidable along the axial center direction. A center block is mounted between the holding blocks in a fixed state with respect to the slide guide rod, and each of the pin support blocks is provided with each of the side support pins as an insertion shape of the pin insertion hole. The center pivot part is supported by the center block in a positioning state, and is connected to each other by a link mechanism which is symmetric with respect to the center pivot part, and the two pin support blocks approach each other. A biasing spring that biases in the direction is provided.

  The side support pins may be detachably attached to the both pin support blocks through the pin insertion holes.

  Further, the link mechanism may be provided on both sides of the both pin support blocks and the center block.

  According to the wiring harness for a wire harness of the present invention, the bottom surface supporting housing body that supports the bottom surface portion of the wiring harness disposed along the wiring path on the top surface, and the upper surface protruding from the bottom surface supporting housing body is disposed. And a side guide pin positioned on both sides of the wire harness, and a slide guide rod having an axis parallel to the upper surface is disposed in the bottom surface support housing, and a shaft of the slide guide rod is disposed on the upper surface. A pin insertion hole having a long hole shape along the center direction is provided, and a pair of pin support blocks are slidably mounted along the axial direction of the slide guide rod, and the slide guide is between the pin support blocks. The center block is mounted in a fixed position with respect to the flange, and each side support pin has a pin insertion hole inserted into both pin support blocks. The two pin support blocks are connected to each other so as to be able to approach and separate from each other by a link mechanism in which the central pivot is supported by the center block in a positioning state and symmetric with respect to the central pivot. The pin support block has a structure including an urging spring that urges the pin support block toward each other, and both pin support blocks are centered on a central pivot supported by the center block under the urging force of the urging spring. Since it slides along the slide guide 均等 evenly on both sides and is separated from each other, each side support pin located on both sides of the wire harness provided in each pin support block is also equally approached and separated on both sides. The bottom part of the wire harness to be wired is supported on the top surface of the bottom support housing body. It is possible to effectively prevent the displacement of the heart values, thereby improving the dimension of the wire harness accuracy.

  Further, a pair of pin support blocks which are slidable along a slide guide rod disposed in the bottom support housing body are connected by a link mechanism which is symmetric with respect to the central pivot portion, and the central pivot portion is connected to both pin support blocks. Since it is structured to support the center block located between them in a positioning state, the gap width between both side support pins can be evenly approached and separated on both sides with a compact structure compared to the conventional structure, and the wiring The jig itself can be made compact, handling on the assembly drawing board becomes convenient, and workability is improved.

  Further, if each side support pin is structured to be detachably attached to both pin support blocks via pin insertion holes, each side support pin has a side support with a different shape such as thickness and length. By exchanging the pins, the initial gap width can be easily changed and the number of wires can be dealt with easily, and there is also an advantage of excellent versatility.

  Furthermore, if the link mechanism has a structure provided on both sides of both the pin support block and the center block, the amount of movement by the link mechanism when the two pin support blocks are approaching or separating is equally regulated on both sides. Therefore, there is an advantage that the sliding along the slide guide rods of both pin support blocks is made smoother.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 4, the wiring harness 1 for a wire harness is mounted on an assembly drawing board (not shown) in a standing manner. The support shaft part 2, the bottom support housing body 4 that supports the bottom part of the wire harness 3 that is provided on the support shaft part 2 and is arranged along the wiring path, and the bottom support housing body 4. Side support pins 5 are provided that are arranged in an upward projecting manner and are located on both sides of the wire harness 3.

  As shown in FIGS. 1 and 2, the bottom support housing body 4 is a so-called U view, which is composed of a bottom wall portion 6 a and side wall portions 6 b erected above both side ends of the bottom wall portion 6 a. As shown in FIGS. 3 and 4, the housing body 6 is configured in a letter shape, and is configured in a so-called inverted U shape in a side view so as to cover the upper surface side, the front surface side, and the back surface side of the housing body 6. Cover portion 7.

  A male screw portion 8 is provided in a substantially central portion on the lower surface side of the bottom wall portion 6a of the housing body 6 so as to protrude downward. A female screw formed on the male screw portion 8 at the upper end of the support shaft portion 2 is provided. The screw part is detachably screwed and fastened.

  In addition, a pair of slide guide rods 9 and 10 having an axis parallel to the upper surface 7a of the cover portion 7 constituting the upper surface of the bottom support housing body 4 is provided between the side wall portions 6b of the housing body 6 in the vertical direction as appropriate. They are arranged at intervals. For example, the slide guide rods 9 and 10 are structured to be detachably mounted across the side wall portions 6b by retaining rings or the like.

  A rectangular parallelepiped center block 11 is attached to the center of the slide guide rods 9 and 10 in the longitudinal direction, and the slide guide rods 9 and 9 located on the left and right sides of the center block 11 are mounted. 10, like the center block 11, pin support blocks 12, 13 having a substantially rectangular parallelepiped shape are mounted so as to be slidable along the axial direction of the slide guide rods 9, 10.

  Further, a pivot pin 14 is provided in a portion corresponding to the center block 11 between the upper and lower slide guide rods 9 and 10 so as to penetrate in the front-rear direction, and the front surface 7b and the rear surface 7c of the cover portion 7 are fixed. It is detachably fixed to the pivot pin 14 via a screw 15. Further, the front surface 7 b and the back surface 7 c of the cover portion 7 are detachably fixed to the housing body 6 via fixing screws 15. Here, the position of the center block 11 is fixed at the center in the length direction of the slide guide rods 9 and 10.

  Longitudinal central portions of the long plate-like long links 17 are pivotally supported at portions of the pivot pins 14 that protrude from the front and rear sides of the center block 11, respectively. Each of the pin support blocks 12 and 13 is pivotally connected to each other via an elongated plate-like short link 18.

  The long link 17 and the pair of short links 18 constitute a pair of front and rear link mechanisms 19 having the same structure. At this time, each link mechanism 19 is so-called point-symmetric about the central pivot portion pivotally supported by the pivot pin 14, and the pin support blocks 12 and 13 on both the left and right sides are connected via the link mechanisms 19. It is configured to be close to and away from each other. Further, the connecting pins of the pivot connecting portions of the long links 17 and the short links 18 and the connecting pins of the pivot connecting portions of the short links 18 and the pin support blocks 12 and 13 are detachable by a retaining ring or the like. The structure is attached to.

  Furthermore, in the present embodiment, a coil spring 21 as a biasing spring is fitted between the pin support blocks 12 and 13 and the side wall portion 6b of the upper slide guide rod 9 in a compressed state. The pin support blocks 12 and 13 are constantly urged in the direction of the center block 11, that is, the pin support blocks 12 and 13 are moved toward each other.

  Further, as shown in FIG. 4, a long hole-shaped pin insertion hole 7 d is formed on the upper surface 7 a of the cover portion 7 along the axial direction of the slide guide rods 9, 10. The side support pins 5 are structured to be detachably attached to the pin support blocks 12 and 13 through the pin insertion holes 7d. That is, as shown in FIG. 5, a male screw part 5 a is provided at the lower end of the side support pin 5, and this male screw part 5 a is formed in the female screw hole formed in the upper part of the pin support blocks 12 and 13. The screw is fastened and detachably attached.

  Accordingly, when the pin support blocks 12 and 13 slide along the slide guide rods 9 and 10 under the guidance of the link mechanisms 19, the side support pins 5 are also inserted into the pin insertion holes along with the approach and separation. It is configured to move closer and away along the longitudinal direction of 7d. In other words, as the side support pins 5 move closer to and away from each other, the pin support blocks 12 and 13 also move toward and away from each other under the biasing force of the coil springs 21.

  The support shaft 2, the side support pins 5, the housing body 6, the cover 7, the slide guide rods 9 and 10, the center block 11, the pin support blocks 12 and 13, the link mechanism 19 and the like are made of aluminum alloy or stainless steel. It is appropriately configured with a metal material or the like.

  The present embodiment is configured as described above. When the wiring jig 1 is used, it is attached in a standing manner at predetermined positions on the assembly drawing board and arranged along the wiring path as in the prior art. The wire bundle of the wire harness 3 may be positioned between the side surface support pins 5 and supported on the upper surface 7a.

  And according to this embodiment, the center pivot part of each link mechanism 19 made into the same structure is supported by the pivot pin 14 in the center block 11 of a fixed position, and each link mechanism centering on this center pivot part Since 19 is configured to be point-symmetric, both pin support blocks 12 and 13 are equally provided on both sides around the position of the pivot pin 14 supported by the center block 11 under the biasing force of each coil spring 21. 9, 10 is slidable along the side, and the movement of each side support pin 5 accompanying the approaching / separating movement by this sliding is also a structure in which the side approaching / separating movement is equally moved to both sides. Regardless of whether the number of electric wires is large or small, deviation of the center value serving as a reference for the wire harness 3 can be effectively prevented.

  Moreover, since the bottom surface portion of the wired wire harness 3 is supported by the top surface 7 a of the bottom surface support housing body 4, the reference height of the wire harness 3 is not shifted.

  Here, it is possible to effectively prevent a deviation in height and center value serving as a reference of the wired wire harness 3, and there is an advantage that the dimensional accuracy of the wire harness 3 can be improved.

  Further, the pair of pin support blocks 12 and 13 that are slidable along the slide guide rods 9 and 10 disposed in the bottom support housing body 4 are point-symmetric at the position of the pivot pin 14 serving as the central pivot portion. The link mechanism 19 is connected to the center block 11, and the center pivot support portion is supported by the center block 11 in a positioned state. Therefore, the gap width between the side support pins 5 is reduced on both sides with a compact structure compared to the conventional structure. The wiring jig 1 itself can be made compact, the handling on the assembly drawing board is convenient, and the workability is improved.

  In addition, since the link mechanisms 19 having the same configuration are provided on both sides of the pin support blocks 12 and 13 and the center block 11, the movement by the link mechanism 19 when the pin support blocks 12 and 13 are approaching or separating from each other. Since the amount is uniformly regulated on both sides, there is an advantage that the sliding along the slide guide rods 9 and 10 of both the pin support blocks 12 and 13 is made smoother.

  Further, each side support pin 5 is structured to be detachably attached to both pin support blocks 12 and 13 via pin insertion holes 7d, respectively, and each side support pin 5 has a shape such as thickness and length. By exchanging the side support pins 5 with different ones, it is possible to easily cope with the change of the initial gap width between the side support pins 5 and the number of wires in the wire bundle, and there is also an advantage of excellent versatility.

  In addition, by appropriately setting the spring force of the coil spring 21, it is possible to adjust the force for holding the wire bundle of the wire harness 3 from both sides by the both side support pins 5 and the strength of the spreading direction of the both side support pins 5. There is an advantage that it is possible to effectively prevent the electric wire from running out during wiring.

  Furthermore, if the length of the support shaft portion 2 connected to the male screw portion 8 of the bottom surface support housing body 4 is prepared in various ways, the height of the bottom surface support housing body 4 itself can be easily adjusted, and the versatility is excellent.

  In addition, in the said embodiment, although the structure which attached the coil spring 21 to the upper slide guide rod 9 is shown, the structure which attaches the coil spring 21 to the lower slide guide rod 10 may be sufficient. The structure may be such that the coil spring 21 is attached to each of the slide guide rods 9 and 10, and is not limited at all.

  Further, although a structure using a pair of slide guide rods 9 and 10 is shown, a structure with a single slide guide rod can be used as long as the rotation of the pin support blocks 12 and 13 around the axis can be restricted. Well, it can be made more compact.

  Further, the shape and structure of the link mechanism 19 is not limited to the structure of the embodiment, and other link mechanism structures may be used.

  Further, the shape of the housing body 6 and the cover portion 7 and the fixing structure between them are not limited to the embodiment.

It is a principal part sectional front view concerning the embodiment of the present invention. FIG. It is a principal part sectional side view. It is the same plane explanatory drawing. It is a front view of a side support pin.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wiring jig 2 Support shaft part 3 Wire harness 4 Bottom support housing body 5 Side support pin 6 Housing main body 7 Cover part 7a Upper surface 7d Pin insertion hole 9, 10 Slide guide rod 11 Center block 12, 13 Pin support block 14 pivot Support pin 19 Link mechanism 21 Coil spring

Claims (3)

In the wiring jig for the wire harness for supporting the wire bundle of the wire harness that is erected on the assembly drawing board of the wire harness and arranged along the wiring path,
A bottom surface support housing body that supports the bottom surface of the wire harness disposed along the wiring path on the top surface, and is disposed so as to protrude upward from the bottom surface support housing body and is positioned on both sides of the wire harness. With side support pins,
A slide guide rod having an axis parallel to the upper surface is disposed in the bottom support housing body, and a long hole-shaped pin insertion hole is provided on the upper surface along the axial direction of the slide guide rod, and the slide A pair of pin support blocks are mounted on the guide rod so as to be slidable along the axial direction thereof, and a center block is mounted between the pin support blocks in a fixed position with respect to the slide guide rod.
In each of the pin support blocks, the side support pins are respectively provided with the pin insertion holes as insertion shapes,
The two pin support blocks are connected to each other so as to be close to and away from each other by a link mechanism in which the central pivot portion is supported by the center block in a positioned state and is symmetric with respect to the central pivot portion. A wiring harness for a wire harness, comprising a biasing spring that biases blocks in a direction approaching each other. In the wiring harness for wire harnesses according to claim 1,
The wiring jig for a wire harness, wherein the side support pins are detachably attached to the both pin support blocks through the pin insertion holes, respectively. In the wiring jig for a wire harness according to claim 1 or 2,
The wiring harness jig for a wire harness, wherein the link mechanism is provided on both sides of both the pin support block and the center block.

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