JP6063840B2 - Wire alignment structure and alignment tool - Google Patents

Description

  The present invention relates to an electric wire alignment structure and an alignment tool.

  Patent Document 1 discloses a structure in which a plurality of electric wires are inserted into a metal pipe. Each electric wire has a lead-out portion that is led out from the open end of the tubular member. Terminal fittings are connected to the terminal portions of the drawn portions of the electric wires, and each terminal fitting is connected to a corresponding mating terminal.

JP 2011-238414 A

  By the way, in the above case, if the length of the lead-out portion of each wire is different for each wire, the terminal fitting connected to the terminal portion of the lead-out portion of each wire is in a position where it can be connected to the corresponding counterpart terminal. It is possible to face automatically, and no special consideration is required for circuit identification. However, if the lengths of the lead-out portions of each wire are the same, it becomes impossible to identify the circuit based on the above-mentioned wire length difference, and each terminal fitting will promptly reach a position where it can be connected to the corresponding mating terminal. There are circumstances that can not. As a result, the connection work of the terminal fittings is lost, and in the worst case, the terminal fittings may be erroneously connected to a mating terminal different from the original one.

  On the other hand, if the terminal fitting is inserted into the connector and the connection work between the terminal fitting and the mating terminal is performed via the connector, the above-described erroneous connection does not occur. However, when a connector is used, there is a problem that the form and circuit state of the terminal fitting are limited, and it is required to prevent erroneous connection by a simpler method.

  The present invention has been completed based on the above circumstances, and by aligning a plurality of electric wires by a simple method, the terminal metal fitting can reach a position where it can be connected to the mating terminal. Objective.

In the present invention, a plurality of electric wires are inserted into the inside of the tubular member, and terminal fittings are respectively connected to terminal portions of the drawn portions drawn out from the opening ends of the tubular members in the respective electric wires. The electric wires are aligned so as to face a position connectable with a corresponding mating terminal, and the tubular member and the terminals are interposed between the tubular member and the terminal fittings. includes a partition wall provided between the groove insertion separately while permitting the idler to said lead portions of the wires, except for the bracket, and a mounting portion capable of mounting itself to the vehicle body, an alignment tool having a It has the characteristics in the place.

Further, according to the present invention, a plurality of electric wires are inserted into the inside of the tubular member, and terminal fittings are respectively connected to terminal portions of the drawn portions drawn out from the opening ends of the tubular members in the respective electric wires, An alignment tool used when the electric wires are aligned such that the metal fitting faces a position connectable with a corresponding mating terminal, and the tubular member is interposed between the tubular member and each terminal metal fitting. And a partition wall provided between the groove portions for individually inserting the lead-out portions of the electric wires excluding the terminal fittings in a state in which free movement is allowed, and an attachment portion capable of attaching itself to the vehicle body side. It has the characteristics in the place.

  By the partition wall of the aligning tool, the drawn portion of each electric wire excluding the tubular member and each terminal fitting is accommodated in the groove portion in a state in which the interchange of each other is restricted, so that it is connected to the terminal portion of the drawn portion of each electric wire. The terminal fitting can automatically face a position where it can be connected to the corresponding mating terminal. As a result, the terminal fitting can be quickly started without hesitation in connection work with the corresponding counterpart terminal, and can be prevented from being erroneously connected to a counterpart terminal different from the original. Therefore, according to the present invention, the electric wires can be aligned by a simple method without using a connector, and the terminal fitting can reach a position where it can be connected to the mating terminal. In addition, by attaching the alignment tool to the vehicle body via the mounting portion, the rattling of the alignment tool during vibration of the vehicle body can be suppressed, and unlike jigs, etc., the work of removing the alignment tool from each wire can be performed. It is not necessary and has excellent assembly workability.

In the electric wire alignment structure of Example 1, it is a top view which shows the state by which each electric wire was arrange | positioned and arranged with the alignment tool. It is a side view which shows the state in which the terminal metal fitting connected to the terminal part of the extraction | drawer part of each electric wire was connected with the corresponding other party terminal. It is a perspective view of the alignment tool in case a cover part exists in an open position. It is a perspective view of the alignment tool in case a cover part exists in a closed position. It is the schematic of the whole wiring structure.

Preferred embodiments of the present invention are shown below.
The alignment tool includes a cover portion having the attachment portion, a main body portion, and a hinge portion that integrally connects the cover portion and the main body portion, and the cover portion is configured to connect the hinge portion to the main body portion. Thus, it is possible to displace between an open position where the electric wires can be received and a closed position where the grooves can be partitioned in the circumferential direction. Thereby, even when each electric wire is inserted into the tubular member and the terminal fitting is connected to the terminal portion of each electric wire, when the cover portion is in the open position, the alignment tool can receive each electric wire. In addition, when the cover portion is in the closed position, the electric wires can be accommodated in the groove portion of the alignment tool in a state of being prevented from coming off.

<Example 1>
A first embodiment of the present invention will be described with reference to FIGS. The arrangement structure of the electric wires 10 according to the first embodiment is such that the terminal fitting 20 connected to the terminal portion of each electric wire 10 can be connected to the corresponding counterpart terminal 80 by wiring a plurality of electric wires 10 in an aligned state. And an alignment tool 30 for aligning the electric wires 10.

  Each electric wire 10 constitutes a wire harness routed in the hybrid vehicle. As shown in FIG. 5, a motor 91 is mounted in the engine room on the front side of the vehicle body 90, and a power supply source 92 such as a battery or an inverter circuit for driving the motor 91 is mounted on the floor on the rear side of the vehicle body 90. The electric wire 10 is configured as three high-voltage electric wires that are routed between the motor 91 side and the power supply source 92 side and supply three-phase AC power to the motor 91.

  Each electric wire 10 has the same shape and is formed by surrounding a core wire 11 made of copper or aluminum with an insulating coating 12. Each electric wire 10 is inserted into the tubular member 70 except for the end portion. The tubular member 70 includes a metal pipe 71 that shields and covers the periphery of the portion of each electric wire 10 that is routed under the floor of the vehicle body 90, a corrugated tube, a grommet, and the like that covers the periphery of the portion extending from the floor to the floor. Tube member 72. As shown in FIG. 1, at the end of each electric wire 10, a lead-out portion 13 that is exposed and drawn out from the open end of the tube member 72 is provided. Moreover, the terminal metal fitting 20 is connected to the terminal part of the extraction | drawer part 13 of each electric wire 10, respectively.

  As shown in FIG. 1, the terminal fitting 20 is a so-called LA terminal, and includes an annular connection portion 21, a wire barrel 22 and an insulation barrel 23 connected to the connection portion 21. As shown in FIG. 2, the connecting portion 21 is connected and fixed to a mating terminal 80 on the motor 91 side or the power supply source 92 side via a bolt 60 inserted into the connecting portion 21. The wire barrel 22 is connected by crimping to the core wire 11 exposed by removing the insulating coating 12 at the terminal portion of the lead portion 13 of the electric wire 10, and the insulation barrel 23 is connected to the terminal portion of the lead portion 13 of the electric wire 10. It is connected to the insulating coating 12 by pressure bonding. The terminal fittings 20 are configured in the same shape in each electric wire 10.

  Now, the alignment tool 30 is arrange | positioned so that the extraction | drawer part 13 between the tube member 72 and the terminal metal fitting 20 may be covered among each electric wire 10, as shown in FIG. Specifically, the alignment tool 30 is made of synthetic resin, and as shown in FIGS. 3 and 4, the main body portion 31 and a cover portion that can be opened and closed with respect to the main body portion 31 between a closed position and an open position. 32, and a hinge portion 33 integrally connected to the cover portion 32 and the main body portion 31.

  As shown in FIG. 4, when the cover portion 32 is in the closed position with respect to the main body portion 31, the accommodating portion 34 is provided in the alignment tool 30 so as to be closed in the circumferential direction. In the accommodating part 34, the extraction | drawer part 13 of each electric wire 10 is wired in the state in which mutual interchange was controlled. Moreover, as shown in FIG. 1, when the cover part 32 exists in a closed position, the extraction | drawer part 13 of each electric wire 10 is derived | led-out from the both ends of the front-back direction used as the wiring direction of each electric wire 10 in the alignment tool 30. As shown in FIG. In the following description, the vertical direction is based on FIG. 4 in which the cover 32 is in the closed position.

  As shown in FIG. 3, the main body 31 is formed in a shallow shape, and includes a bottom plate 35 along the width direction in which the electric wires 10 are arranged, and a pair of side plates that rise in a substantially arc shape from both ends in the width direction of the bottom plate 35. 36, a plurality of partition walls 37 that are positioned between the side plates 36 and are erected on the upper surface of the bottom plate 35, and a protruding piece 38 that protrudes forward from the front end of the bottom plate 35. Among the side plates 36, a hinge portion 33 is connected to the upper end of one side plate 36 along the upper end, and a lock portion 46 described later of the cover portion 32 enters and is locked to the other side plate 36. A lock receiving portion 39 is provided. The lock receiving portion 39 has a slit-like lock hole 41.

  The plurality of partition walls 37 have a plate-like shape along the front-rear direction, and in the illustrated case, are arranged in pairs in the width direction. The main body portion 31 is provided with three groove portions 42 penetrating in the front-rear direction between the partition walls 37 adjacent to each other and between the partition wall 37 and the side plate 36. When the cover portion 32 is in the open position, the corresponding drawn portion 13 of the electric wire 10 is inserted into each groove portion 42. In this case, the lead-out portion 13 of the electric wire 10 is arranged in a state where a certain amount of movement is allowed in the groove portion 42.

  The protruding piece 38 is in the form of a plate piece disposed at a position coaxially with one of the partition walls 37 in the front-rear direction, and has a front-rear dimension that exceeds the front-rear dimension of the bottom plate 35. The protruding piece 38 plays a role of restricting that the alignment tool 30 is attached in an incorrect posture with respect to the attachment object 95 on the vehicle body 90 side to which the alignment tool 30 is attached, and the adjacent electric wires in the width direction. It plays the role of partitioning 10 and defining the wiring direction of each electric wire 10.

  The cover portion 32 has a shallow ridge shape, a top plate 43 extending in the width direction, a pair of vertical plates 44 that fall substantially arcuately from both ends in the width direction of the top plate 43, and forward from the front end of the top plate 43. And a protruding mounting portion 45. Of the two vertical plates 44, a hinge portion 33 is continuously provided along the lower end of one vertical plate 44, and a lock portion 46 is provided projecting downward at the lower end of the other vertical plate 44. . The lock portion 46 has a plate-like shape that can be entirely inserted into the lock hole 41 of the lock receiving portion 39, and has a lock claw 47 that can be locked to the lock receiving portion 39. As shown in FIG. 4, the outer surfaces of one hanging plate 44 and one side plate 36 are arranged substantially vertically, and the outer surfaces of the other hanging plate 44 and the other side plate 36 are substantially arc-shaped. Is arranged.

  The hinge portion 33 has a flexible band shape along the upper end of the side plate 36 and the lower end of the hanging plate 44, and can be bent in the process in which the cover portion 32 is displaced between the open position and the closed position. When the cover part 32 reaches the closed position via the hinge part 33, the lock part 46 is elastically locked to the lock receiving part 39, whereby the cover part 32 is held in the closed position.

  The attachment portion 45 has a plate-like shape having a rectangular shape in plan view, and has an attachment hole 48 having a rectangular shape in plan view. As shown in FIGS. 1 and 2, the alignment tool 30 is attached and fixed to the attachment object 95 by inserting and attaching the attachment protrusion 96 of the attachment object 95 into the attachment hole 48 of the attachment part 45 and elastically locking. It has come to be.

Next, a method for connecting the terminal fitting 20 connected to the terminal portion of the lead-out portion 13 of each electric wire 10 according to the first embodiment to the corresponding mating terminal 80 will be described.
The terminal fittings 20 are connected to the terminal portions of the lead-out portions 13 of the three electric wires 10 protruding from the open ends of the tube members 72, respectively. In the case of Example 1, as shown in FIG. 1, the lengths of the lead-out portions 13 of the electric wires 10 are substantially the same, and the tip positions of the terminal fittings 20 are also aligned at the substantially same position.

  With the cover portion 32 opened to the open position, the corresponding drawn portion 13 of the electric wire 10 is inserted into each groove portion 42 of the main body portion 31 from above. Next, the cover part 32 is brought to the closed position. Thereby, the accommodating part 34 penetrated in the front-rear direction is partitioned inside the alignment tool 30 in a state closed in the circumferential direction. In addition, each electric wire 10 is held in the accommodating portion 34 in a state in which the electric wire 10 is restricted from coming out of the groove portion 42, and the corresponding electric wire 10 is reliably routed in the circuit defined by each groove portion 42.

  Subsequently, the alignment tool 30 is attached to the attachment object 95 on the vehicle body 90 side. In this case, the attachment target 95 is a shield case fixed by bolting to the panel 99 on the vehicle body 90 side, and has a space 98 into which the alignment tool 30 is fitted and inserted.

  When the alignment tool 30 is normally inserted into the space 98 of the attachment target 95, the attachment protrusion 96 of the attachment object 95 is elastically locked in the attachment hole 48 of the attachment part 45, and the alignment tool 30 is attached to the attachment object 95. Fixed. As shown in FIG. 1, in a state where the alignment tool 30 is fixed to the attachment target 95, the terminal fitting 20 connected to the terminal portion of the lead-out portion 13 of each electric wire 10 is forward from the alignment tool 30 and the attachment target 95. It is arranged so as to be exposed at the protruding position, and is arranged in parallel on a substantially plane along the arrangement direction of the electric wires 10. Then, as shown in FIG. 2, the connection portions 21 of the respective terminal fittings 20 are fastened and connected and fastened by corresponding counterpart terminals 80 and bolts 60 in a state where they are installed on the terminal block 50. In this case, each terminal fitting 20 and the mating terminal 80 face each other on the terminal block 50 in an appropriate arrangement, thereby preventing the occurrence of erroneous connection with each other.

  As described above, according to the first embodiment, the drawing portion 13 of each electric wire 10 is accommodated in the accommodating portion 34 of the aligning tool 30 in a state in which the interchange of each wire 10 is restricted. The terminal fitting 20 connected to the terminal portion can automatically face a position where it can be connected to the corresponding mating terminal 80. As a result, the terminal fitting 20 can be quickly started without hesitation in connection with the corresponding counterpart terminal 80, and can be prevented from being erroneously connected to the counterpart terminal 80 different from the original. Therefore, according to the first embodiment, the terminal fittings 20 can be connected to the mating terminal 80 by aligning the electric wires 10 by the aligning tool 30 by a simple method without using a connector. Further, by attaching the aligning tool 30 to the vehicle body 90 side via the mounting portion 45, rattling of the aligning tool 30 during vibration of the vehicle body 90 can be suppressed and, unlike a jig or the like, Since the operation of removing the alignment tool 30 is not required, the assembly workability is excellent.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following aspects are also included in the technical scope of the present invention.
(1) In Example 1, the protruding piece was provided at a position coaxial with one of the two partition walls. However, according to the present invention, the protruding piece is coaxial with each of the two partition walls. These may be provided in pairs at the positions.
(2) In Example 1, the alignment tool is made of synthetic resin. However, according to the present invention, the alignment tool may be made of metal having a shielding function.
(3) The present invention is also applicable to an electric vehicle not equipped with an internal combustion engine.

DESCRIPTION OF SYMBOLS 10 ... Electric wire 13 ... Lead-out part 20 ... Terminal metal fitting 30 ... Alignment tool 31 ... Main-body part 32 ... Cover part 33 ... Hinge part 37 ... Partition wall 42 ... Groove part 45 ... Mounting part 70 ... Tubular member 80 ... Counterpart terminal 90 ... Car body 95 ... Installation target

Claims (4)

A plurality of electric wires are inserted into the inside of the tubular member, and terminal fittings are respectively connected to the terminal portions of the drawn portions that are drawn out from the open ends of the tubular members of the respective electric wires. An alignment structure in which the electric wires are aligned so as to face a position connectable to a terminal,
In between the tubular member and the respective terminal fittings, wherein the tubular member and the partition wall between the groove insertion separately while permitting the idler to the take-out portion of the electric wires, except for the respective terminal fittings And an aligner having an attachment portion capable of attaching itself to the vehicle body side.   The alignment tool includes a cover portion having the attachment portion, a main body portion, and a hinge portion that integrally connects the cover portion and the main body portion, and the cover portion is configured to connect the hinge portion to the main body portion. 2. The electric wire according to claim 1, wherein the electric wire is displaceable between an open position where the electric wires are opened so as to be receivable and a closed position where the groove is closed so as to be partitioned in the circumferential direction. Alignment structure. A plurality of electric wires are inserted into the inside of the tubular member, and terminal fittings are respectively connected to the terminal portions of the drawn portions that are drawn out from the open ends of the tubular members of the respective electric wires. An alignment tool used when the electric wires are aligned so as to face a position connectable to a terminal,
In between the tubular member and the respective terminal fittings, wherein the tubular member and the partition wall between the groove insertion separately while permitting the idler to the take-out portion of the electric wires, except for the respective terminal fittings And an attaching portion capable of attaching itself to the vehicle body side.   A cover portion having the attachment portion; a main body portion; and a hinge portion integrally connecting the cover portion and the main body portion, wherein the cover portion is connected to the main body portion via the hinge portion. The alignment tool according to claim 3, wherein the alignment tool is displaceable between an open position where the electric wire can be received and a closed position where the groove portion can be partitioned in the circumferential direction.

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