JP5500940B2 - Wire harness - Google Patents

Description

  The present invention relates to a wire harness used for a vehicle such as an automobile.

  In a wire harness used for a vehicle such as an automobile, a plurality of cables are collectively collected and fixed to a frame of a vehicle body using a protector or the like (see, for example, Patent Documents 1 to 4). A plurality of locations of the wire harness are fixed to the frame of the vehicle body by a protector and are routed along the frame of the vehicle body.

JP 2005-295728 A Japanese Patent Laid-Open No. 7-298446 JP 2002-225648 A JP 2001-359217 A

  In order to route the wire harness along the frame of the vehicle body, a plurality of cables are bundled with a protector while being bent, and are assembled into a shape according to the routing route.

  By the way, a cable having a large diameter and high rigidity is generally used for a wire harness that is mounted on an electric vehicle, a hybrid vehicle, or the like and through which a high voltage and a large current flow. Therefore, each cable of such a wire harness has characteristics that are hard and difficult to bend.

  Therefore, it takes a great deal of labor and labor to bend and bundle a plurality of such highly rigid cables together with a protector.

  Further, since the bundled and bent wire harness is bulky, it is difficult to secure a storage location, and furthermore, the transfer efficiency is not good.

  The present invention has been made in view of the above-described circumstances, and a purpose thereof is a wire harness that can suppress bulkiness before routing and can be easily assembled into a shape according to the routing route. Is to provide.

The above object of the present invention is achieved by the following configuration.
(1) A wire harness that includes a plurality of cables and a plurality of protectors provided in the longitudinal direction of the cables, and is bundled by the protectors and routed along a route of a fixed portion. ,
The protector has divided parts fixed to each cable and connectable to each other
In each cable, each cable segment constituting the protector adjacent in the longitudinal direction is fixed at a different interval from the other cable segments,
A wire harness, wherein the cables between the protectors are bent by connecting the divided bodies that form a set of cables .

According to this wire harness, the protector has the mutually connectable divided bodies fixed to the respective cables, and the respective divided bodies constituting the protector adjacent to each other in the longitudinal direction have different intervals. The cable is easily bent in the plane by connecting the corresponding segments while bending each cable to the side where the interval between adjacent segments is narrow. It can be assembled into a shape corresponding to, and routed in the route of the fixed part.
Moreover, in the state which the division bodies isolate | separated, each cable can be isolate | separated and bulkiness can be eliminated as a straight state. That is, bulkiness before routing can be suppressed, and storage and transportation can be facilitated.

(2) A wire harness configured as described in (1) above,
A wire harness characterized in that the bending direction is changed by twisting the cable between the protectors adjacent in the longitudinal direction.

  According to this wire harness, the cable between the protectors adjacent in the longitudinal direction is twisted, so that the bending direction of the cable between the protectors is changed to have a shape corresponding to the three-dimensional routing route of the fixed portion. be able to.

  ADVANTAGE OF THE INVENTION According to this invention, the wire harness which can suppress the bulk before wiring and can be easily assembled in the shape according to the wiring path | route can be provided.

It is a perspective view of the wiring location of the wire harness explaining the wire harness which concerns on this invention. It is a figure which shows the protector provided in the wire harness, Comprising: Fig.2 (a) is a perspective view, FIG.2 (b) is a front view. It is a figure which shows the protector provided in the wire harness, Comprising: Fig.3 (a) is a perspective view, FIG.3 (b) is a front view. It is a figure which shows the protector provided in the wire harness, Comprising: Fig.4 (a) is a perspective view, FIG.4 (b) is a front view. It is a perspective view explaining how to fix the lower divided body and the upper divided body to each cable. It is a schematic plan view which shows the wire harness of a isolation | separation state. It is a schematic plan view which shows the assembled wire harness.

Hereinafter, embodiments according to the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a wiring harness wiring location for explaining a wire harness according to the present invention.
As shown in FIG. 1, the wire harness 11 is used for a vehicle such as an electric vehicle or a hybrid vehicle, and is electrically connected to, for example, a battery (not shown) and an inverter (not shown). .

  The wire harness 11 has two cables 21 having a large diameter and high rigidity through which a high-voltage and large current flows.

  The outer periphery of these cables 21 is covered with a corrugated tube 22. The corrugated tube 22 is a hollow tube formed in a bellows shape, and is formed of, for example, flame retardant polypropylene.

  The cable 21 is routed along the route of the body frame 23 formed in a complicated three-dimensional shape, and the body is secured by the protectors 24A, 24B, 24C, and 24D at clamp positions 20 that are spaced apart in the longitudinal direction. It is fixed to the frame 23.

  The protectors 24 </ b> A, 24 </ b> B, 24 </ b> C, and 24 </ b> D are formed in a shape corresponding to the fixed portion of the body frame 23.

  The protector 24A is formed of resin, and as shown in FIGS. 2 (a) and 2 (b), a cable holding portion 31 and a plurality of fixing portions 32, 33 extending from the cable holding portion 31. have.

  The cable holding portion 31 includes a lower divided body 41 and an upper divided body 51, and the lower divided body 41 and the upper divided body 51 are connected to the engagement holes 41 a of the lower divided body 41 and the upper divided body 51. By engaging the engaging claws 51a, they are overlapped with each other and can be connected.

  The lower divided body 41 has a U-shaped holding groove 42 in a side view, and the cable 21 is disposed in the holding groove 42 in an inserted state. The lower divided body 41 has a band engaging portion 43 protruding below the holding groove 42 at both ends in the longitudinal direction. The band 44 engaged with the band engaging portion 43 is connected to the cable. The lower divided body 41 is fixed to the cable 21 by being wound around and fastened to the cable 21.

  The upper divided body 51 has a U-shaped holding groove 52 in a side view, and the cable 21 is disposed in the holding groove 52 in an inserted state. In addition, the upper divided body 51 is attached with a lid 53 covered on the upper part. At both ends of the lid 53, arc-shaped locking claws 54 that protrude toward the upper divided body 51 are formed. Then, by attaching the lid 53 to the upper divided body 51, the locking claw 54 of the lid 53 enters the bellows groove 22 a of the corrugated tube 22 of the cable 21 disposed in the holding groove 52 of the upper divided body 51, As a result, the upper divided body 51 is fixed to the cable 21.

  Further, the upper divided body 51 is formed with an arc-shaped locking claw 55 that protrudes toward the lower divided body 41. When the lower divided body 41 and the upper divided body 51 are connected, the latching claw 55 of the upper divided body 51 has the bellows groove 22a of the corrugated tube 22 of the cable 21 disposed in the holding groove 42 of the lower divided body 41. The cable 21 is locked by entering.

  An insertion hole 32 a is formed in the fixing portion 32, and a notch portion 33 a is formed in the fixing portion 33. A stud bolt (not shown) erected on the vehicle body frame 23 is inserted into the fixing portions 32 and 33 through the insertion hole 32a and the notch portion 33a. In this state, a protector 24A holding the cable 21 is fixed to the clamp position 20 by fastening a nut (not shown) to the stud bolt.

Each of the protectors 24B and 24C is formed in substantially the same shape, and is molded of resin like the protector 24A. As shown in FIGS. 3 (a) and 3 (b), the cable holder 61 and this And a fixing portion 62 formed on the cable holding portion 61.
The cable holding portion 61 includes a lower divided body 71 and an upper divided body 81, and the lower divided body 71 and the upper divided body 81 are formed in the upper divided body 81 in the engagement holes 71 a of the lower divided body 71. By engaging the engaging claws 81a, they are overlapped with each other and can be connected.

  The lower divided body 71 has a holding groove 72 that is U-shaped in a side view, and the cable 21 is disposed in the holding groove 72 in an inserted state. The lower divided body 71 is provided with a band engaging portion 73 projecting below the holding groove 72 at both ends, and the band 44 engaged with the band engaging portion 73 is wound around the cable 21. As a result, the lower divided body 71 is fixed to the cable 21.

  The upper divided body 81 has a U-shaped holding groove 82 in a side view, and the cable 21 is disposed in the holding groove 82 in an inserted state. Further, the upper divided body 81 is attached with a cover 83 covered on the upper part. At both ends of the lid 83, arc-shaped locking claws 84 projecting toward the upper divided body 81 are formed. Then, by attaching the lid 83 to the upper divided body 81, the locking claws 84 of the lid 83 enter the bellows groove 22a of the corrugated tube 22 of the cable 21 arranged in the holding groove 82 of the upper divided body 81, As a result, the upper divided body 81 is fixed to the cable 21.

  The upper divided body 81 is formed with an arc-shaped locking claw 85 that protrudes toward the lower divided body 71. Then, when the lower divided body 71 and the upper divided body 81 are connected, the locking claw 85 of the upper divided body 81 has the bellows groove 22a of the corrugated tube 22 of the cable 21 disposed in the holding groove 72 of the lower divided body 71. The cable 21 is locked by entering.

  An insertion hole 62 a is formed in the fixing portion 62. A stud bolt (not shown) erected on the vehicle body frame 23 is inserted into the insertion hole 62a of the fixed portion 62. In this state, a protector 24B, 24C holding the cable 21 is fixed to the clamp position 20 by fastening a nut (not shown) to the stud bolt.

  The protector 24D is also made of resin, and has a cable holding portion 91 and a plurality of fixing portions 92 extending from the cable holding portion 91, as shown in FIGS. 4 (a) and 4 (b). doing.

  The cable holding portion 91 includes a lower divided body 101 and an upper divided body 111. The lower divided body 101 and the upper divided body 111 are connected to the upper divided body 111 in the engagement hole 101a of the lower divided body 101. By engaging the engaging claws 111a, they can be overlapped and connected.

  The lower divided body 101 has a holding groove 102 that is U-shaped in a side view, and the cable 21 is disposed in the holding groove 102 in an inserted state. The lower divided body 101 has a band engaging portion 103 protruding below the holding groove 102 at both ends, and the band 44 engaged with the band engaging portion 103 is wound around the cable 21. As a result, the lower divided body 101 is fixed to the cable 21.

  The upper divided body 111 has a holding groove 112 that is U-shaped in a side view, and the cable 21 is disposed in the holding groove 112 in an inserted state. In addition, the upper divided body 111 is attached with a cover body 113 covered on the upper part thereof. At both ends of the lid body 113, arc-shaped locking claws 114 are formed that protrude toward the upper divided body 111. Then, by attaching the lid 113 to the upper divided body 111, the locking claw 114 of the lid 113 enters the bellows groove 22a of the corrugated tube 22 of the cable 21 arranged in the holding groove 112 of the upper divided body 111, As a result, the upper divided body 111 is fixed to the cable 21.

  Further, arc-shaped locking claws 115 projecting toward the lower divided body 101 are also formed at both ends of the upper divided body 111. Then, when the lower divided body 101 and the upper divided body 111 are connected, the locking claws 115 of the upper divided body 111 are arranged in the holding grooves 102 of the lower divided body 101, and the bellows groove 22a of the corrugated tube 22 of the cable 21 is provided. The cable 21 is locked by entering.

  Further, an insertion hole 92 a is formed in the fixing portion 92. Then, stud bolts (not shown) erected on the vehicle body frame 23 are inserted into the fixing portions 92 through the insertion holes 92a. In this state, a protector 24D holding the cable 21 is fixed at the clamp position 20 by fastening a nut (not shown) to the stud bolt.

Here, the case where the lower divided bodies 41, 71, 101 and the upper divided bodies 51, 81, 111 are fixed to the respective cables 21 will be described by taking the case of the protector 24A as an example.
As shown in FIG. 5, in order to fix the lower divided body 41 to the cable 21, it is engaged with the band engaging portion 43 in a state where one cable 21 is disposed in the holding groove 42 of the lower divided body 41. The band 44 is wound around the cable 21. In this way, the lower divided body 41 is fastened and fixed to the cable 21 by the band 44. In order to fix the upper divided body 51 to the cable 21, the lid body 53 is attached in a state where the other cable 21 is disposed in the holding groove 52 of the upper divided body 51. If it does in this way, the latching claw 54 of the cover body 53 attached to the upper division body 51 will enter into the groove | channel 22a of the corrugation 22 of the cable 21, and the upper division body 51 will be fixed to the cable 21. FIG.

  As described above, the lower divided body 41 and the upper divided body 51 fixed to each cable 21 are overlapped, and the engaging claw 51a of the upper divided body 51 is engaged with the engaging hole 41a of the lower divided body 41. When integrated, the locking claw 55 of the upper divided body 51 enters the groove 22a of the corrugated 22 of the cable 21 on the lower divided body 41 side. Thereby, the protector 24 </ b> A is securely fixed to each cable 21.

  As shown in FIG. 6, the wire harness 11 provided with the protectors 24A, 24B, 24C, and 24D as described above has the protectors 24A, 24B, 24C, and 24D before being routed to the vehicle body frame 23. The lower divided bodies 41, 71, 101 and the upper divided bodies 51, 81, 111 are separated.

  That is, the wire harness 11 before wiring is configured by the cable 21 to which the lower divided bodies 41, 71, 101 are fixed and the cable 21 to which the upper divided bodies 51, 81, 111 are fixed.

  Here, in the protector 24 </ b> A and the protector 24 </ b> B adjacent in the longitudinal direction, the distance A <b> 1 between the lower divided bodies 41 and 71 fixed to one cable 21 and the distance between the upper divided bodies 51 and 81 fixed to the other cable 21. A2 has dimensions different from each other.

  In the protector 24B and the protector 24C adjacent in the longitudinal direction, the interval B1 between the lower divided bodies 71 and 71 fixed to one cable 21 and the interval between the upper divided bodies 81 and 81 fixed to the other cable 21 are also provided. B2 has dimensions different from each other.

  Similarly, in the protector 24 </ b> C and the protector 24 </ b> D adjacent in the longitudinal direction, the distance C <b> 1 between the lower divided bodies 71 and 101 fixed to one cable 21 and the upper divided bodies 81 and 111 fixed to the other cable 21. The interval C2 has dimensions different from each other.

  Then, in the wire harness 11 from which the cable 21 is separated, when the lower divided bodies 41, 71, 101 and the upper divided bodies 51, 81, 111 corresponding to each other are connected, as shown in FIG. , 24B, 24C, 24D, the cable 21 is bent to the side where the interval is narrow.

  Further, in this way, when the wire harness 11 bent in the plane is twisted between the protectors 24A and 24B adjacent to each other in the longitudinal direction, between the protectors 24B and 24C, or between the protectors 24C and 24D, the wire harness 11 is bent in the plane. The bending direction of the cable 21 is changed by twisting, so that the wire harness 11 is formed in a three-dimensional shape.

  As described above, according to the wire harness according to the above-described embodiment, the lower divided body 41 and the upper divided body 51, the lower divided body 71, the upper divided body 81, and the lower divided portion that correspond to each other while bending each cable 21. By connecting the body 101 and the upper divided body 111, the cable 21 can be easily bent into a shape corresponding to the routing path in the plane and routed to the routing path of the vehicle body frame 23.

  Further, in a state where the protectors 24A, 24B, 24C, and 24D are separated, the cables 21 can be separated and the bulk can be eliminated as a straight state. That is, bulkiness before routing can be suppressed, and storage and transportation can be facilitated.

  Even if the routing route of the body frame 23 is a three-dimensional three-dimensional route, the protectors 24A, 24B are twisted by twisting the cable 21 between the protectors 24A, 24B, 24C, 24D adjacent in the longitudinal direction. , 24C, 24D, the bending direction of the cable 21 is changed, so that the shape corresponding to the three-dimensional routing route of the vehicle body frame 23 can be very easily achieved.

In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.
For example, in the above-described embodiment, the wire harness 11 in which the two cables 21 are bundled has been described as an example. However, the number of the cables 21 constituting the wire harness 11 is not limited to two as long as it is a plurality.

11 Wire harness 21 Cable 23 Body frame (fixed part)
24A, 24B, 24C, 24D Protector 41, 71, 101 Lower divided body (divided body)
51, 81, 111 Upper divided body (divided body)
A1, A2, B1, B2, C1, C2 spacing

Claims (2)

A wire harness comprising a plurality of cables and a plurality of protectors provided in the longitudinal direction of the cables, and is a wire harness that is bundled by the protector and routed along the route of the fixed part,
The protector has divided parts fixed to each cable and connectable to each other
In each cable, each cable segment constituting the protector adjacent in the longitudinal direction is fixed at a different interval from the other cable segments,
A wire harness, wherein the cables between the protectors are bent by connecting the divided bodies that form a set of cables .   The wire harness according to claim 1, wherein the bending direction is changed by twisting the cable between the protectors adjacent in the longitudinal direction.

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