JP5084019B2 - Wire harness protector - Google Patents

Description

  The present invention relates to a protector for protecting a wire harness.

  The wire harness protector generally includes a protector body in which an electric cable routing path is formed by a U-shaped peripheral wall having an open top surface, and a lid body that covers the protector body to cover the top opening of the protector body. It is configured.

  Among this type of protector, there is one in which an electric wire routing path is formed by a path having a sharp bend. For example, when branching a branch wire (branch wire bundle) from a trunk wire (main wire bundle) of a wire harness, it is necessary to route the branch wire to the branch wire lead-out portion with a sharp bend at the branch portion (Patent Document 1 or Patent Document 2).

Japanese Patent Laid-Open No. 2002-10440 Japanese Patent Laid-Open No. 9-11820

  However, when the wire bundle is bent with a steep curvature, especially when the wire is routed to the branch wire lead-out portion at a low position, the wire tries to take the shortest route and rides on the side wall portion of the wire routing path. Therefore, when closing the lid, there is a possibility that the electric wire that has been ridden is sandwiched between the lid and the protector body. In addition, in order to avoid such an electric wire from climbing, measures may be taken to prevent the electric wire from being scattered by binding the vicinity of the electric wire branching portion with tape using an adhesive tape. In addition to the increase in unnecessary work, there was a problem in that unnecessary disassembly work increased when the wire harness was disassembled.

  The present invention has been made in view of the above-described circumstances, and its purpose is to prevent the wire between the protector main body and the lid during wire routing work and to the vicinity of the wire branching portion in the protector. An object of the present invention is to provide a wire harness protector capable of eliminating the tape winding and improving easy disassembly.

In order to achieve the above-described object, a wire harness protector according to the present invention is characterized by the following (1) to (6) .
(1) A wire harness protector having a protector body in which an electric cable routing path is formed by a U-shaped peripheral wall having an open upper surface, and a lid that covers the protector body to cover the upper surface opening of the protector body. And
At a predetermined location on the inner surface of the side wall portion of the peripheral wall of the protector main body, an extruded piece that pushes away the electric wire arranged in the electric wire arrangement path to the opposite side in the width direction of the electric cable arrangement path is protruded.
As the spring piece protruding from the upstream side in the wire routing direction to the downstream side from the inner surface of the side wall portion of the peripheral wall of the protector body, the push piece is disposed inside the sharp bend of the wire routing path. Formed ,
The steeply bent portion is a portion from the main wire routing path to the wire routing path in the branch wire lead-out portion of the wire routing path,
A branch wire guide portion is provided at the tip of the extruded piece, and the branch wire guide portion is extended to a position near the center in the width direction of the branch wire lead portion .
(2) In the wire harness protector configured as described in (1) above ,
The peripheral wall of the branch wire lead-out portion is connected to a low position of the peripheral wall that forms the main wire routing path.
(3) In the wire harness protector configured as described in (2) above ,
The extruded piece is provided at a position higher than the peripheral wall of the branch wire lead-out portion.
(4) In the wire harness protector configured as described in (2) or (3) above ,
A peripheral wall of the branch wire lead-out portion is obliquely connected to a peripheral wall forming the main electric wire routing path, and forms the main electric cable routing path inside the acute angle side connection portion. The pushing piece is disposed on the inner surface of the side wall of the peripheral wall .
(5) In the wire harness protector configured as described in any one of (1) to (4) above ,
The pushing piece is formed as a blade-like spring piece curved in an L shape.
(6) In the wire harness protector configured as described in (5) above ,
A branch wire guide for guiding a branch wire is provided at the tip of the extruded piece, and the branch wire guide is formed in a cylindrical or columnar shape.

According to the wire harness protector having the above configuration (1), the electric wire can be moved away from the side wall portion of the peripheral wall constituting the electric wire routing path by the action of the pushing piece. Can be avoided, and the electric wire can be effectively prevented from being caught when the lid is closed. Therefore, it is not necessary to tape the electric wire so that it does not come apart, and the time and labor of winding the tape can be reduced, and resource saving can be achieved by omitting the tape. Further, by not winding the tape, the wire harness can be easily disassembled, and the ease of disassembly can be improved.
In addition, according to the wire harness protector having the configuration of (1), the extrusion piece is formed as a spring piece protruding from the inner surface of the side wall portion of the peripheral wall of the protector body from the upstream side to the downstream side in the electric wire routing direction. Thus, the electric wire can be moved away from the side wall portion. In addition, due to the spring property of the extruded piece, the electric wire can be smoothly guided even when the electric wire is bent suddenly.
In addition, according to the wire harness protector having the configuration of (1) , there is a high possibility that the electric wire will take the shortest route inside the bent portion and climb on the side wall portion at the place where the electric wire is bent and routed. Because of the action of the pushing piece, it is possible to avoid getting on the side wall of the electric wire, so that the electric wire can be effectively prevented from being caught when the lid is closed.
Further , according to the wire harness protector having the configuration of (1) above, in the portion where the branch line is branched from the trunk line of the bundle of wires, the electric wire tries to take the shortest route inside the bent portion for branching, and is formed on the side wall portion. Although there is a high risk of getting on, it is possible to avoid getting on the side wall of the electric wire by the action of the pushing piece, so that the electric wire can be effectively prevented from being caught when the lid is closed.
According to the wire harness protector having the configuration of (2) above, when the branched branch line is routed at a position lower than the main line, it is more likely that the electric cable rides on the side wall portion of the electric wire at the branch point. Since it can be avoided by the action of the pushing piece, it is possible to effectively prevent the electric wire from being caught when the lid is closed.
According to the wire harness protector having the above configuration (3) , since the extruded piece is provided at a position higher than the peripheral wall of the branch wire lead-out portion, it is possible to more reliably prevent the electric wire from climbing up .
According to the wire harness protector configured as described in (4) above, when the branched branch line is bent slightly like a U-turn, the electric wire is likely to run on the inner side of the bent portion. Since this can be avoided, it is possible to effectively prevent the electric wire from being caught when the lid is closed.
According to the wire harness protector having the above configuration (5) , since the extruded piece is formed as a blade-like spring piece curved in an L shape, the electric wire can be elastically moved away from the side wall portion. In addition, due to the spring property of the extruded piece, the electric wire can be smoothly guided even when the electric wire is bent suddenly.
According to the wire harness protector having the above configuration (6) , since the cylindrical or columnar branch wire guide portion is provided at the tip of the extruded piece, the contact area with the wire can be increased and the curved surface of the outer periphery Can guide the electric wire, thereby reducing the pressure on the electric wire and reducing the damage to the electric wire.

According to the present invention, it is possible to prevent the wire between the protector main body and the lid body during the wire routing work and to abolish the tape winding in the vicinity of the wire branching portion in the protector, Easy disassembly can be improved.
Further, according to the present invention, since the extruded piece is formed as a spring piece protruding from the inner surface of the side wall portion of the peripheral wall of the protector body from the upstream side to the downstream side in the electric wire routing direction, the electric wire is elastically moved away from the side wall portion. be able to. In addition, due to the spring property of the extruded piece, the electric wire can be smoothly guided even when the electric wire is bent suddenly.

  The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading through the best mode for carrying out the invention described below with reference to the accompanying drawings.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings.

  1A and 1B show the structure of the protector of the embodiment, FIG. 1A is a plan view showing a state in which the lid is opened, and FIG. 1B is Ib in FIG. 1A. It is an expansion perspective view of an arrow view part.

  The wire harness protector 1 includes a protector body 2 in which an electric cable routing path is formed by a U-shaped peripheral wall having an open upper surface, and a lid body 3 that covers the upper surface opening of the protector body 2 by covering the protector body 2. It consists of. The protector main body 2 and the lid body 3 are configured as an integral resin molded part by being connected by a hinge 4, and the protector main body 2 and the lid body 3 are rotated by bending the hinge 4 and rotating the lid body 3. It can be locked in a closed state. And in order to lock both, the locking means 6, 7, 8, and 9 are provided in the location far from the hinge 4 of the protector main body 2 and the cover body 3. As shown in FIG.

  The wire harness protector 1 is provided with a plurality of branch wire lead portions 10 on the side opposite to the hinge 4, and the main portion (lower side portion) of the branch wire lead portion 10 on the protector body 2 side. A deep-wall U-shaped peripheral wall 10A is formed, and a shallow U-shaped peripheral wall 10B forming the remaining portion (upper portion) of the branch wire lead-out portion 10 is provided on the lid 3 side. Is provided.

  A peripheral wall 10 </ b> A of the branch wire lead-out portion 10 on the protector main body 2 side is connected to a side wall portion of the peripheral wall 2 </ b> A constituting the main electric wire routing path 5 that accommodates the trunk line Wa of the wire harness W. In this case, the peripheral wall 10A of the branch wire lead-out portion 10 is connected obliquely (in a U-turn shape when viewed as a routing route) to a low position of the peripheral wall 2A that forms the main wire routing route 5. Similarly, on the lid 3 side, the peripheral wall 10 </ b> B of the branch wire lead-out portion 10 is connected to the side wall portion of the peripheral wall 3 </ b> A that constitutes the main electric wire routing path 5 that accommodates the trunk line Wa of the wire harness W. The branch wire lead-out portion 10 is secured with a wire routing path that communicates with the main wire lead-out portion 5. In addition, when the protector body 2 and the lid 3 are locked, the lower ends of the peripheral walls 3A and 10B of the lid 3 are in contact with the upper ends of the peripheral walls 2A and 10A of the protector body 2.

  Moreover, the wire harness (electric wire) W routed by the main electric wire routing path 5 is pushed out to the opposite side of the width direction of the electric wire routing path 5 in the predetermined location of the side wall part inner surface of the surrounding wall 2A of the protector main body 2. An extruding piece 20 is provided to project away. The extruded piece 20 is a portion from the main wire routing path 5 to the wire routing path in the branch wire lead-out portion 10, specifically, the connection on the acute angle side of the peripheral wall 10 </ b> A of the branch wire lead-out portion 10. It is disposed on the inner surface of the side wall portion of the peripheral wall 2 </ b> A that forms the main wire routing path 5 inside the portion 12.

  The extruded piece 20 is formed as a blade-like spring piece that protrudes from the inner surface of the side wall portion of the peripheral wall 2A of the protector body 2 and then curves in an L shape from the upstream side to the downstream side in the electric wire routing direction. That is, the base end portion 21 of the extruded piece 20 is connected to the inner surface of the side wall portion of the peripheral wall 2A of the protector body 2, and the distal end side 23 is close to the center in the width direction of the branch wire lead-out portion 10 via the L-shaped bent portion 22. It extends to the position. The distal end portion is a branch wire guide portion 25, which is formed in a cylindrical shape or a columnar shape so that the branch wire can be guided. Further, the pushing piece 20 is provided at a position higher than the upper end of the side wall portion of the peripheral wall 10 </ b> A of the branch wire lead-out portion 10.

  Next, the operation will be described. When this wire harness protector 1 is used, first, the branch line Wb branching from the trunk line Wa is accommodated in the main wire routing 5 of the protector body 2 and branched from the trunk line Wa. Guide and pull out to the wire routing path in 10.

  At that time, since the extruded piece 20 is provided inside the bend of the portion that branches in a U-turn shape, the electric wire (the trunk line Wa and the branch line Wb) is caused by the action of the extruded piece 20 as indicated by the arrow A, It can be kept away from the side wall portion of the peripheral wall 2 </ b> A constituting the electric cable routing 5. Therefore, it is possible to avoid the electric wire (the trunk line Wa and the branch line Wb) from climbing on the side wall portion during the wiring operation, and the electric wire (the trunk line Wa and the branch line Wb) is sandwiched when the lid 3 is closed. Can be prevented.

  2A and 2B are diagrams showing a reference example for explaining the superiority of the embodiment of the present invention. 2 (a) corresponds to FIG. 1 (a), and FIG. 2 (b) corresponds to FIG. 1 (b).

  The protector 100 shown as this reference example consists of the protector main body 2 and the cover body 3, and only the above-mentioned pushing piece 20 (refer FIG. 1 (a) and (b)) does not exist, and a later structure is as above-mentioned. It is the same. Accordingly, the same components are denoted by the same reference numerals and description thereof is omitted.

  In the case of the reference example in which the extruding piece 20 is not provided, at the point where the branch line Wb branches from the trunk line Wa of the wire harness W while bending slightly, the inside of the bent part for branching, as indicated by the arrow C, Therefore, there is a high possibility that the electric wire will take the shortest route and ride on the side walls of the peripheral walls 2A and 10A of the protector body 2. When it rides in this way, when the cover body 3 is closed, an electric wire may be pinched | interposed between the cover body 3 and the protector main body 2. FIG.

  On the other hand, by providing the extruding piece 20 as in the embodiment of the present invention, the electric wire (the trunk line Wa and the branch line Wb) is moved from the side wall portion of the peripheral wall 2A constituting the electric wire routing path 5 by the action of the extruding piece 20. You can keep away. Therefore, it is possible to avoid the electric wire from climbing on the side wall, and to effectively prevent the electric wire from being caught when the lid 3 is closed. In particular, when the branched branch line Wb is routed at a position lower than the trunk line Wa, it is more likely to run on the side wall portion of the electric wire at the branch point. Since it can avoid, it can prevent pinching of an electric wire and can improve workability | operativity.

  In this case, as shown in FIG.1 (b), since the extrusion piece 20 is provided in the position higher than the surrounding wall 10A of the branch electric wire drawer | drawing-out part 10, it can aim at climbing of an electric wire more reliably. Moreover, since the pushing piece 20 is formed as a blade-like spring piece, the electric wire can be elastically moved away from the side wall portion. Further, due to the spring property of the extruded piece 20, the electric wire can be smoothly guided even when the electric wire is bent suddenly.

  Moreover, since the cylindrical or columnar branch wire guide portion 25 is provided at the tip of the extruded piece, the contact area with the wire can be increased, and the wire can be guided on the outer peripheral curved surface. Thus, it is possible to reduce the pressure on the electric wire and reduce the damage to the electric wire.

  In addition, as shown in FIGS. 2 (a) and 2 (b), in order to prevent the electric wire from climbing, the tape may be wound using the adhesive tape T before the branch portion. Since the pushing piece 20 can prevent the electric wire from climbing up, it is not necessary to dare to wind the tape, so that the trouble of winding the tape can be reduced, and resource saving can be achieved by omitting the adhesive tape. Further, by not winding the tape, the wire harness can be easily disassembled, and the ease of disassembly can be improved.

  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 embodiment, when there is a U-turn-shaped branch wire lead-out portion 10, the extruded piece is provided inside the bent portion. However, the extruded piece is provided inside a simple sudden bent portion other than the branched portion. May be provided. In such a case, when the wire is bent and routed suddenly, it can solve the problem that the wire tries to take the shortest route inside the bent portion and climbs to the side wall, and the wire when the lid is closed It is possible to effectively prevent pinching.

  Moreover, in the said embodiment, although the extrusion piece was a spring piece integrally formed in the side wall part inner surface of the surrounding wall of a protector main body, and the inner surface of the bottom wall part connected with this side wall part, A spring piece integrally formed in a cantilever manner only on the inner surface of the side wall portion of the peripheral wall may be used. In the case of a configuration in which the extruded piece is integrally formed only on the inner wall of the peripheral wall of the protector body in a cantilevered manner, the extruded piece is more flexible, so that the cushioning property against the electric wire is improved, and therefore the electric wire is damaged. It can be reduced more.

The structure of the protector of embodiment of this invention is shown, (a) is a top view which shows the state which opened the cover body, (b) is an expansion perspective view of the Ib arrow part of (a). It is a figure which shows the protector of the reference example for demonstrating the predominance of embodiment of this invention, (a) is a top view which shows the state which opened the cover body, (b) is IIb arrow view of (a) It is an expansion perspective view of a part.

Explanation of symbols

1: Wire harness protector 2: Protector body 2A: Peripheral wall 3: Lid 5: Main wire routing 10: Branch wire lead-out portion 10A: Perimeter wall 20: Push-out piece 25: Branch wire guide portion W: Wire harness Wa: Main line Wb : Branch line

Claims (6)

A wire harness protector having a protector body in which an electric wire routing path is formed by a U-shaped peripheral wall having an open upper surface, and a lid that covers the protector body to cover the upper surface opening of the protector body,
At a predetermined location on the inner surface of the side wall portion of the peripheral wall of the protector main body, an extruded piece that pushes away the electric wire arranged in the electric wire arrangement path to the opposite side in the width direction of the electric cable arrangement path is protruded.
As the spring piece protruding from the upstream side in the wire routing direction to the downstream side from the inner surface of the side wall portion of the peripheral wall of the protector body, the push piece is disposed inside the sharply bent portion of the wire routing path. Formed ,
The steeply bent portion is a portion from the main wire routing path to the wire routing path in the branch wire lead-out portion of the wire routing path,
A wire harness characterized in that a branch wire guide portion is provided at a tip of the extruded piece, and the branch wire guide portion extends to a position near the center in the width direction of the branch wire lead-out portion. Protector. 2. The wire harness protector according to claim 1 , wherein a peripheral wall of the branch electric wire lead-out portion is connected to a low position of the peripheral wall forming the main electric wire routing path. The wire harness protector according to claim 2 , wherein the push-out piece is provided at a position higher than a peripheral wall of the branch wire lead-out portion. A peripheral wall of the branch wire lead-out portion is obliquely connected to a peripheral wall forming the main electric wire routing path, and forms the main electric cable routing path inside the acute angle side connection portion. The wire harness protector according to claim 2 or 3 , wherein the extruded piece is disposed on an inner surface of the side wall of the peripheral wall. The wire harness protector according to any one of claims 1 to 4 , wherein the extrusion piece is formed as a blade-like spring piece curved in an L shape. 6. The wire harness protector according to claim 5 , wherein a branch wire guide part for guiding a branch wire is provided at a tip of the extruded piece, and the branch wire guide part is formed in a cylindrical shape or a columnar shape. .

Images