JP2015185322A - Wiring jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiring jig for wiring a wire harness (wire bundle) by suppressing a surplus length portion of a lead wire.SOLUTION: In a wiring jig 3, an electrical connection box 2 connected to a wire harness 1 (wire bundle) has a box body 21 incorporating electrical components, and a terminal alignment surface 23 where a plurality of connection terminals 231 electrically connected to the electrical components. A plurality of lead wires 13 drawn from a trunk 11 of the wire harness 1 are connected to the plurality of connection terminals 231. There are included: a plurality of wire support parts 32 arranged along a prescribed wiring route on a wiring plate 31 and supporting the wire harness 1 in a shape along the wiring route; and a holding part 33 provided adjacently to the wiring route on the wiring plate 31, and holding the box body 21 in an inclined posture in a state of directing the terminal alignment surface 23 to the trunk 11 of the wire harness 1 supported on the wire support part 32.

Description

  The present invention relates to a wiring jig used for wiring a wire bundle along a predetermined wiring path in manufacturing a wire harness (wire bundle).

  A wide variety of electronic devices are mounted on a vehicle as a moving body. These electronic devices are connected by a wire harness in order to transmit electric power, a control signal, etc. between each other. The wire harness includes an electric wire bundle in which a plurality of electric wires are bundled, and a connector attached to the end of the electric wire bundle. Also, many vehicles are equipped with electrical junction boxes containing electrical components such as relays, fuses and fusible links. Such an electrical connection box is generally provided with a connection terminal for electrically connecting a built-in electrical component and an external device via the wire harness.

  Some electrical junction boxes have a structure in which a wire harness passes through the interior (see, for example, Patent Document 1). The above-mentioned connection terminal is provided inside the electric connection box, and a lead wire drawn out from the wire harness is connected to this connection terminal.

  Here, in many cases, the attachment of the wire harness to the vehicle is performed by arranging the wire harness in a wiring form in the vehicle in advance and attaching the already arranged wire harness to the vehicle. And for the production of such a wiring harness, for example, a wiring jig as described below is used, and at the time of the wiring, the connection of the electrical connection box as described above is also performed. Sometimes.

  FIG. 4 is a diagram showing an example of a wire harness passing through the inside of the electrical junction box, and FIG. 5 is a diagram showing an example of a wiring jig used for manufacturing such a wire harness. The wire harness 5 shown in FIG. 4 is an electric wire bundle in which a plurality of branch lines 52 are branched from the trunk line 51 and arranged. And the trunk line 51 of the wire harness 5 passes through the inside of the electrical junction box 6. Although not specified here, examples of such an electrical junction box include a fuse box in which a plurality of fuses are incorporated and these fuses are connected to lead wires of the wire harness.

  The electrical connection box 6 includes a box body 61 having an opening 611 as shown in FIG. The box body 61 incorporates electrical components such as fuses, and is provided with a plurality of connection terminals 63 that are electrically connected to the electrical components and exposed from the opening 611. The plurality of connection terminals 63 are connected to ends of the plurality of lead wires 53 drawn from the trunk line 51 of the wire harness 5. The electrical connection box 6 has a structure in which a cover 62 that covers the trunk line 51 installed in the opening 611 of the box body 61 together with the plurality of lead lines 53 is covered after the connection.

  The wiring jig 7 shown in FIG. 5 is arranged along a predetermined wiring path on the wiring board 71 and the wiring board 71, and the wire harness 5 is shaped along the wiring path. A plurality of electric wire support portions 72 to be supported. And the wiring jig 7 is provided with the holding | maintenance part 73 provided adjacent to the wiring path | route on the wiring board 71 holding the said box main body 61. As shown in FIG. In manufacturing the wire harness 5, an operator stands beside the wiring board 71, performs wiring while supporting the wire harness 5 on the wire support portion 72, and further connects the lead-out line 53 drawn from the trunk line 51 to the connection terminal. 63. Thereafter, the entire or part of the wire harness 5 that has been wired is removed from the wire support portion 72, the trunk line 51 is installed in the opening 611, and the cover 62 is covered on the box body 61.

  FIG. 6 is a diagram illustrating a state in which a cover is put on the box body after connecting the lead wires. As shown in FIG. 6, the trunk line 51 of the wire harness 5 is installed across the opening 611. A cover 62 covers the trunk line 51 together with the plurality of lead lines 53 and covers the box body 61.

JP 2012-44802 A

  By the way, since the connection of the lead wire 53 to the connection terminal 63 is performed in a state where the box body 61 is placed adjacent to the wiring path as shown in FIG. May occur.

  FIG. 7 is a schematic diagram showing a problem that occurs when a cover is put on the box body after connecting the lead wires. 7A shows a state before the main line 51 is installed in the opening 611 of the box body 61, and FIG. 7B shows a state in which the main line 51 is installed in the opening 611. It is shown. As described above, the connection of the lead wire 53 to the connection terminal 63 is performed in a state where the box body 61 is placed adjacent to the wiring path, that is, the trunk line 51 is separated from the connection terminal 63. The lead wire 53 has a margin in its length so as to reach the connection terminal 63 in such a distant position. As a result, when the trunk line 51 is installed in the opening 611, an extra length portion 53 a is generated in the lead line 53. The extra length portion 53a leads to an increase in the cost of the wire harness 5 and also obstructs the work of covering the cover 62 on the box main body 61 and reduces the workability. Further, the size of the cover 62 and the box main body 61 needs to be a size that can accommodate the extra length portion 53a, and there is a problem that the electrical connection box 6 is increased in size.

  The objective of this invention is providing the wiring jig which can suppress the extra length part of a leader line and can wire a wire harness (electric wire bundle).

  The invention according to claim 1, which achieves the above object, is a wiring jig comprising a wiring board for wiring an electric wire bundle in which a plurality of electric wires are bundled, and an electric connection box connected to the electric wire bundle includes: A box body containing an electrical component; and a terminal array surface on which a plurality of connection terminals electrically connected to the electrical component are arranged, and a plurality of lead wires drawn out from the wire bundle are A plurality of wire support portions that are connected to a plurality of connection terminals and are arranged on the wiring board along a predetermined wiring path and support the wire bundle in a shape along the wiring path. And holding the box body in an inclined state with the terminal array surface facing the wire bundle provided on the wiring board adjacent to the wiring path and supported by the wire support portion. A wiring jig characterized by comprising a holding part.

  According to a second aspect of the present invention, in the wiring jig according to the first aspect, the holding portion has at least the wire bundle in a projection range of the box body along a direction orthogonal to the terminal arrangement surface. The box main body is held at a position where a part thereof overlaps.

  According to a third aspect of the present invention, in the wiring jig according to the first or second aspect, the wiring board is provided to be inclined toward an operator who performs the wiring, and the holding portion is the wire bundle. It is provided at a position closer to the operator than the operator, and holds the box body so that the terminal array surface is substantially horizontal.

  According to invention of Claim 1, a holding | maintenance part hold | maintains the box main body with the attitude | position which inclined in the state which orient | assigned the terminal array surface to the electric wire bundle currently supported by the electric wire support part. For this reason, the distance between the wire bundle and the connection terminal is shortened, and the extra length portion of the lead wire is suppressed accordingly. As a result, the high cost due to the extra length is suppressed, and when the box body is covered with a cover, a decrease in workability is suppressed. Furthermore, the electrical junction box can be reduced in size because the extra length is suppressed. In addition, the wiring jig of the invention according to claim 1 can be realized by holding the box body tilted as described above, for example, in the conventional wiring jig as shown in FIG. The conventional wiring jig can be almost used, and the cost of the wiring jig itself can be suppressed.

  According to invention of Claim 2, a holding | maintenance part hold | maintains a box main body in the position where at least one part of an electric wire bundle overlaps in the projection range of a box main body along the direction orthogonal to a terminal arrangement surface. For this reason, the distance between the wire bundle and the connection terminal is further reduced as compared with the case where the wire bundle is held at a position outside the projection range, and thus the extra length of the lead wire is further suppressed. Will be.

  According to invention of Claim 3, a wiring board is provided inclining toward an operator, a holding part is provided in the position near an operator rather than an electric wire bundle, and a terminal arrangement | sequence surface becomes a substantially horizontal surface. For this reason, the connection work of the lead line by the worker is a work of extending the lead line from the back side of the wiring board to the near side when viewed from the worker toward the substantially horizontal terminal arrangement surface. Such work is, for example, compared to work when the wiring board is horizontal and the terminal arrangement surface is inclined when viewed from the operator, or the holding part is provided at a position farther from the operator than the wire bundle. Workability is improved.

It is a figure which shows the wire harness (electric wire bundle) manufactured using the wiring jig | tool as one Embodiment of this invention. It is a figure which shows the wiring jig | tool as one Embodiment of this invention. It is a figure which shows a mode that a cover is put on a box main body after the connection of a leader line. It is a figure which shows the figure which shows an example of the wire harness which passes the inside of an electrical junction box. It is a figure which shows an example of the wiring jig | tool used for manufacture of the wire harness shown by FIG. It is a figure which shows a mode that a cover is put on a box main body after the connection of a leader line. It is a schematic diagram shown about the problem which arises when a cover is put on a box main body after connecting a leader line.

  A wiring jig according to an embodiment of the present invention will be described with reference to FIGS. First, as shown in FIG. 1, a wire harness 1 (wire bundle) manufactured using this wiring jig is bundled in a form in which a plurality of branch lines 12 are branched from a trunk line 11. Has been. And the trunk line 11 of the wire harness 1 passes through the inside of the electrical junction box 2. Here, in the present embodiment, the electrical connection box 2 is a fuse box that incorporates a plurality of fuses and connects these fuses to the lead wire of the wire harness.

  As shown in FIG. 2, the electrical junction box 2 includes a box body 21 having an opening 211. The box body 21 incorporates an electrical component such as a fuse, and is provided with a terminal arrangement surface 23 on which a plurality of connection terminals 231 that are electrically connected to the electrical component are arranged. A plurality of lead wires 13 drawn from the trunk line 11 of the wire harness 1 are connected to the plurality of connection terminals 231 from the opening 211. The box body 21 is covered with a cover 22 that covers the opening 211.

  The wiring jig 3 shown in FIG. 2 is arranged along a predetermined wiring path on the wiring board 31 and the wiring board 31 so that the wire harness 1 is shaped along the wiring path. A plurality of electric wire support portions 32 to be supported. And the wiring jig 3 is provided with the holding | maintenance part 33 provided adjacent to the wiring path | route on the wiring board 31 which hold | maintains said box main body 21. As shown in FIG. 2A shows a perspective view of the wiring jig 3 together with the worker S who performs the wiring work, and FIG. 2B shows the holding portion 33 of the wiring jig 3. A side view of the periphery viewed from the direction of arrow A in FIG.

  In manufacturing the wire harness 1, the worker S stands beside the wiring board 31, performs wiring while supporting the wire harness 1 on the electric wire support portion 32, and further draws out from the trunk line 11 of the wire harness 1. The line 13 is connected to the connection terminal 231. Thereafter, the whole or a part of the trunk wire 11 of the wire harness 1 that has been wired is removed from the wire support portion 32 and installed in the opening 211 of the box body 21 as shown in FIG. 21 is covered with a cover 22.

  Here, in the wiring jig 3 of the present embodiment, the holding portion 33 is in a state in which the box body 21 of the electrical connection box 2 is oriented with the terminal arrangement surface 23 facing the trunk line 11 supported by the wire support portion 32. It is meant to be held in a tilted position. Specifically, as shown in FIG. 2, the holding portion 33 is provided with a recess into which the box body 21 is fitted on a slope of a block whose side surface is a substantially right trapezoid. Further, the wiring board 31 is inclined toward the worker S, and the inclination angle of the inclined surface in the holding portion 33 is an angle at which the inclined surface is substantially horizontal as viewed from the operator S.

  Further, as shown in FIG. 2B, the holding portion 33 is at a position where at least a part of the trunk line 11 overlaps the projection range 21 a of the box body 21 along the direction orthogonal to the terminal arrangement surface 23. The box body 21 is held.

  Further, in the present embodiment, the box body 21 is held by the holding portion 33 so that the inclined surface of the holding portion 33 and the terminal arrangement surface 23 are substantially parallel. As a result, the box body 21 is held by the holding portion 33 so that the terminal arrangement surface 23 is substantially horizontal when viewed from the operator S.

  According to the wiring jig 3 of the present embodiment, the holding portion 33 tilts the box body 21 of the electrical connection box 2 with the connection terminal 231 facing the trunk line 11 supported by the wire support portion 32. Hold in posture. For this reason, the distance between the trunk line 11 and the connection terminal 231 is shortened, and as shown in FIG. 3, the extra length portion of the lead-out line 13 is suppressed accordingly. As a result, an increase in cost due to the extra length portion is suppressed, and a decrease in workability when the cover 22 is put on the box body 21 is also suppressed. Furthermore, the electrical connection box 2 can be reduced in size because the extra length portion is suppressed. Further, the wiring jig 3 of the present embodiment can be realized by tilting and holding the electrical connection box as described above in a conventional wiring jig as shown in FIG. 5, for example. The wiring jig can be almost used, and the cost of the wiring jig 3 itself can be suppressed.

  Further, in the wiring jig 3 of the present embodiment, the box body 21 is held so that at least a part of the trunk line 11 overlaps the projection range 21a of the box body 21. For this reason, compared with the case where the box main body 21 is held at a position where the trunk line 11 is out of the projection range 21 a, the distance between the trunk line 11 and the connection terminal 231 is further reduced, and as a result, the extra length portion of the lead line 13. Will be further suppressed.

  Furthermore, in the wiring jig 3 of the present embodiment, the wiring board 31 is provided to be inclined toward the worker S, the holding portion 33 is provided at a position closer to the worker S than the trunk line 11, and the terminal arrangement surface 23 becomes a substantially horizontal plane. For this reason, the connection work of the lead wire 13 by the worker S is performed by extending the lead wire 13 from the back side of the wiring board 31 as viewed from the worker S toward the near horizontal terminal arrangement surface 23. It becomes work. Such work is performed when, for example, the wiring board 31 is horizontal and the terminal array surface 23 is inclined as viewed from the worker S, or the holding portion 33 is provided at a position farther from the worker S than the trunk line 11. Compared with the above work, the workability is improved.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

  For example, in the present embodiment, the electric connection box 2 as a fuse box is illustrated as an example of the electric connection box according to the present invention, but the electric connection box according to the present invention is not limited to this, for example, It may have a built-in electrical component such as a relay or fusible link. Further, the shape is not limited to the rectangular box as exemplified in the present embodiment, and may be any shape.

  In the present embodiment, as an example of the electrical junction box according to the present invention, the electrical junction box 2 in which one terminal arrangement surface 23 is provided on the box body 21 is illustrated, but the electrical junction box according to the present invention. Is not limited to this. The electrical junction box according to the present invention may be, for example, one in which the inside of the box body is divided into a plurality of sections, and a terminal array surface is provided in each section.

  Further, in the present embodiment, as an example of the holding portion referred to in the present invention, the block-shaped holding portion 33 whose side surface is a substantially right trapezoid is illustrated, but the holding portion referred to in the present invention is not limited to this. Absent. The holding part referred to in the present invention does not ask a specific shape of the electric connection box as long as it holds the electric connection box in a posture in which the connection terminal is inclined toward the electric wire bundle supported by the electric wire support part. .

  In the present embodiment, as an example of the electrical junction box according to the present invention, an electrical junction box 2 in which one cover 22 is covered on the box body 21 is illustrated. However, the electrical junction box referred to in the present invention is not limited to this, and may be provided with two covers, an upper cover and a lower cover that sandwich the box body, or no cover is provided. Further, it may be one in which the leader line is exposed.

1 Wire harness
2 Electrical Connection Box 3 Wiring Jig 11 Trunk Line 13 Leader Line 21 Box Body 23 Terminal Arrangement Surface 31 Wiring Board 32 Electric Wire Support Section 33 Holding Section 211 Opening Section 231 Connection Terminal

Claims (3)

In a wiring jig provided with a wiring board for wiring an electric wire bundle in which a plurality of electric wires are bundled,
The electrical connection box connected to the wire bundle has a box body containing an electrical component, and a terminal arrangement surface on which a plurality of connection terminals electrically connected to the electrical component are arranged, and the electric wire A plurality of lead wires drawn out from the bundle are connected to the plurality of connection terminals,
A plurality of electric wire support portions arranged along a predetermined wiring path on the wiring board and supporting the wire bundle in a shape along the wiring path;
A holding provided on the wiring board adjacent to the wiring path and holding the box body in an inclined posture with the terminal array surface facing the wire bundle supported by the wire support portion. And a wiring jig characterized by comprising:   The said holding | maintenance part hold | maintains the said box main body in the position where at least one part of the said wire bundle overlaps the projection range of the said box main body along the direction orthogonal to the said terminal arrangement surface. Item 1. A wiring jig according to Item 1. The wiring board is provided to be inclined toward an operator who performs wiring,
The said holding | maintenance part is provided in the position close | similar to the said operator rather than the said wire bundle, and hold | maintains the said box main body so that the said terminal arrangement | sequence surface may become a substantially horizontal surface. The wiring jig according to the description.

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