JP7420305B2 - Protector and wire harness - Google Patents

Description

The present disclosure relates to protectors and wire harnesses.

Conventionally, in a wire harness, two parallel electric wires are sometimes connected to each other (for example, see Patent Document 1).
For example, the wire harness 50 shown in FIG. 4 includes a first electric wire 51 and a second electric wire 52 arranged along the assembly surface P of the vehicle body. A protector 53 is attached to the first electric wire 51, but a protector is not attached to the second electric wire 52 due to restrictions on the vehicle body side, and the second electric wire 52 is placed outside the protector 53. .

The protector 53 includes a first wall portion 54 and a pair of second wall portions 55 extending from the first wall portion 54 and facing each other. The first electric wire 51 is inserted into the space 56. The protector 53 is arranged along the assembly surface P such that the open side of the housing space 56 opposite to the first wall portion 54 is covered by the assembly surface P of the vehicle body.

The second electric wire 52 is fixed to the protector 53 via a clip member 57. The clip member 57 holding the second electric wire 52 is assembled in an assembly direction D1 parallel to the assembly surface P to the protector 53 fixed to the assembly surface P of the vehicle body.

Japanese Patent Application Publication No. 2012-197034

In the wire harness 50 described above, the housing space 56 of the protector 53 is closed by the mounting surface P of the vehicle body, so the protector 53 is arranged at a position close to the mounting surface P. Therefore, when assembling the clip member 57 to the protector 53 disposed on the assembling surface P along the assembling direction D1, the operator's fingers holding the clip member 57 and the second electric wire 52 may be damaged when assembling the vehicle body. Since it easily interfered with the attaching surface P, it was not easy to assemble.

Therefore, it is an object of the present invention to provide a protector and a wire harness that can improve ease of assembly.

The protector of the present disclosure includes a first wall portion and a pair of second wall portions extending from the first wall portion and facing each other, the protector being formed by the first wall portion and each of the second wall portions. A first electric wire is passed through the housing space, and the protector is arranged along the assembly surface so that an open side of the housing space opposite to the first wall portion is covered by the assembly surface of the vehicle body. A fixed part configured to be able to fix a fixing member is provided on an outer surface of the second wall part, and the fixing member is configured to fix a second electric wire disposed outside the housing space separately from the first electric wire. is for fixing to the second wall part, and the fixed part is configured such that the fixing member can be attached in an assembly direction from the first wall side toward the assembly surface. The fixed part has a mounting wall part which is arranged opposite to the outer surface of the second wall part and whose end on the first wall side is an open end part, and The fixing member is attached, and the fixed portion includes a connecting portion that connects an end of the mounting wall portion opposite to the open end portion and the second wall portion.

Further, the wire harness of the present disclosure includes the above-mentioned protector, a first electric wire passed through the housing space formed by the first wall portion and each second wall portion of the protector, and a first electric wire extending from the outside of the protector. The device includes a second electric wire arranged, and the fixing member that holds the second electric wire and is fixed to the fixed portion of the protector.

According to the present disclosure, it is possible to provide a protector and a wire harness that enable improved assemblability.

FIG. 1 is a perspective view showing a wire harness according to an embodiment. FIG. 2 is a plan view of the same type of protector. FIG. 3 is a schematic cross-sectional view of the same type of wire harness. FIG. 4 is a schematic cross-sectional view showing a conventional wire harness.

[Description of embodiments of the present disclosure]
First, embodiments of the present disclosure will be listed and described.
The protector of the present disclosure includes:
[1] A first wall, and a pair of second walls extending from the first wall and facing each other, and in an accommodation space formed by the first wall and each of the second walls. A protector, through which a first electric wire is passed, is disposed along the assembly surface so that an open side opposite to the first wall in the accommodation space is covered by the assembly surface of the vehicle body, and the protector is fixed. A fixed part configured to be able to fix a member is provided on the outer surface of the second wall part, and the fixing member is configured to fix a second electric wire disposed outside the housing space separately from the first electric wire. The fixing member is configured to be fixed to the second wall, and the fixing member is configured to be able to attach the fixing member in an assembly direction from the first wall toward the assembly surface. .

According to this configuration, when attaching the fixing member to the fixed part of the protector while the protector is placed on the assembly surface of the vehicle body, it becomes difficult for the operator's fingers etc. to interfere with the assembly surface of the vehicle body. As a result, the ease of assembling the wire harness is improved.

[2] The part to be fixed has a mounting wall part that is disposed opposite to the outer surface of the second wall part and whose end on the first wall side is an open end, Preferably, a fixing member is attached. According to this configuration, the fixing member can be configured to be attachable to the attachment wall of the fixed part in the assembly direction from the first wall side toward the assembly surface.

[3] The fixing member has a pair of sandwiching pieces that sandwich the mounting wall, and one of the pair of sandwiching pieces is provided between the outer surface of the second wall and the mounting wall. It is preferable that an insertion space is provided for insertion in the assembly direction. According to this configuration, the fixing member having the pair of sandwiching pieces can be configured to be attachable to the attaching wall in the attaching direction from the first wall toward the attaching surface.

[4] The mounting wall includes an extending wall that extends in a direction in which the mounting wall and the second wall face each other, and the extending wall includes the mounting wall that is attached to the mounting wall. It is preferable to be configured so that it can come into contact with the sandwiching piece in a direction intersecting the assembly direction. According to this configuration, it becomes possible to restrict the movement of the pinching piece attached to the mounting wall by the extending wall, and as a result, it becomes possible to suppress the falling of the pinching piece from the mounting wall.

[5] Preferably, the fixed portion includes a connecting portion that connects an end of the mounting wall portion opposite to the open end portion and the second wall portion. According to this configuration, it is possible to suitably configure the mounting wall portion which is disposed opposite to the outer surface of the second wall portion and whose end portion on the first wall side is an open end portion.

[6] Moreover, the wire harness of the present disclosure is formed by the protector according to any one of [1] to [5] above, and the first wall portion and each second wall portion of the protector. a first electric wire passed through the housing space; a second electric wire disposed outside the protector; and a fixing member that holds the second electric wire and is fixed to the fixed portion of the protector. Equipped with.

According to this configuration, when attaching the fixing member to the fixed part of the protector while the protector is placed on the assembly surface of the vehicle body, it becomes difficult for the operator's fingers etc. to interfere with the assembly surface of the vehicle body. As a result, the ease of assembling the wire harness is improved.

[Details of embodiments of the present disclosure]
Specific examples of the protector and wire harness of the present disclosure will be described below with reference to the drawings. Note that the present invention is not limited to these examples, but is indicated by the scope of the claims, and is intended to include all changes within the meaning and scope equivalent to the scope of the claims. Further, in the drawings, a part of the configuration may be exaggerated or simplified for convenience of explanation. Furthermore, the dimensional ratio of each part may also differ from the actual size. Moreover, parallel in the present disclosure does not mean parallel in a strict sense, but has a width within a range where the effects of the present invention can be achieved as long as the range is considered parallel. Further, "vertical" in the present disclosure does not mean vertical in a strict sense, but has a width within a range where the effects of the present invention can be achieved as long as it is considered vertical.

As shown in FIGS. 1 and 3, the wire harness 10 of the present embodiment includes a first electric wire 11 and a second electric wire 12 that are routed along the assembly surface P of the vehicle body so as to be parallel to each other. It includes a protector 13 that protects the electric wire 11 and regulates its route, and a fixing member 14 that fixes the second electric wire 12 to the protector 13.

The first electric wire 11 has a configuration in which at least one electric wire is passed through a cylindrical exterior member. Further, the second electric wire 12 has a configuration in which at least one electric wire is passed through a cylindrical exterior member. The first electric wire 11 and the second electric wire 12 have a section in which they are lined up substantially parallel to each other in a part of the length direction, and the second electric wire 12 presses the fixing member 14 against the protector 13 in the parallel section. connected via.

As shown in FIGS. 1, 2, and 3, the protector 13 is an injection molded product made of, for example, a synthetic resin material. The protector 13 includes a ceiling wall 21 as a first wall portion, a pair of side walls 22 and 23 extending from the ceiling wall 21, and a fixed portion 24 formed on the outer surface of the side wall 22. In addition, in the mutually orthogonal XYZ axes in the drawing, the X axis represents the length direction X of the protector 13, the Y axis represents the width direction Y of the protector 13, and the Z axis represents the height direction Z of the protector 13. There is. The first electric wire 11 is passed through the protector 13 along the length direction X. Further, the protector 13 is arranged so as to face the mounting surface P of the vehicle body in the height direction Z.

The side walls 22 and 23 extend from both edges of the ceiling wall 21 in the width direction Y in substantially the same direction (height direction Z). The side walls 22 and 23 face each other in the width direction Y of the protector 13. Further, each of the side walls 22 and 23 of this embodiment has a plate shape perpendicular to the width direction Y. That is, the inner and outer surfaces of the side wall 22 form a plane perpendicular to the width direction Y. Note that the inner surface of the side wall 22 is a surface of the side wall 22 on the accommodation space 25 side in which the first electric wire 11 is accommodated, and the outer surface of the side wall 22 is the back surface of the inner surface.

As shown in FIG. 3, the protector 13 is fixed to the assembly surface P in such a manner that the ceiling wall 21 is substantially parallel to the assembly surface P. Note that, as an example of a manner of fixing the protector 13 to the assembly surface P, fixing with an adhesive tape, etc. can be mentioned.

When the protector 13 is fixed to the assembly surface P, the open ends 22a and 23a (extending tips) of the side walls 22 and 23 on the side opposite to the ceiling wall 21 are slightly spaced apart from the assembly surface P. are opened and facing each other (or in contact with the assembly surface P). That is, the protector 13 has a shape in which one side (one side in the height direction Z) in the direction orthogonal to the length direction is open, and the open side (one side in the height direction Z) is the assembly surface P. It is placed so that it is blocked. The first electric wire 11 is passed through the accommodation space 25 formed by the ceiling wall 21 and the side walls 22 and 23 along the length direction X. Note that the second electric wire 12 running parallel to the first electric wire 11 is arranged outside the accommodation space 25 of the protector 13.

Note that the manner in which the assembly surface P closes the open side of the accommodation space 25 (the side opposite to the ceiling wall 21) does not mean that the open ends 22a and 23a of the side walls 22 and 23 must contact the assembly surface P without any gaps. do not have. When arranging the protector 13 with a space between the open ends 22a, 23a and the assembly surface P, the first electric wire 11 should not be pulled out from between the open ends 22a, 23a and the assembly surface P. In addition, it is only necessary that the open side of the accommodation space 25 is closed by the assembly surface P.

(Fixed part 24 of protector 13)
As shown in FIGS. 1, 2, and 3, the fixed portion 24 formed on the outer surface of the side wall 22 is configured to be able to fix the fixing member 14.

The fixed portion 24 includes a mounting wall portion 26 that faces the outer surface of the side wall 22 in the width direction Y. The mounting wall portion 26 is spaced apart from the side wall 22 in the width direction Y, and an insertion space S into which a part of the fixing member 14 is inserted is provided between the outer surface of the side wall 22 and the mounting wall portion 26. It is formed. The mounting wall portion 26 of this embodiment has a plate shape parallel to the side wall 22.

As shown in FIGS. 2 and 3, the mounting wall portion 26 is connected to the outer surface of the side wall 22 by a first connecting portion 27 and a second connecting portion 28. As shown in FIGS. The first connecting portion 27 and the second connecting portion 28 extend from the outer surface of the side wall 22 along the width direction Y. The first connecting portion 27 is connected to the lower end of the mounting wall 26 in the height direction Z (the end on the open end 22a side of the side wall 22). The first connecting portion 27 closes the lower end of the insertion space S in the height direction Z. Further, the second connecting portion 28 is connected to one end portion of the mounting wall portion 26 in the length direction X. The second connecting portion 28 closes one end of the insertion space S in the length direction X.

That is, the mounting wall part 26 extends from the first connecting part 27 toward the ceiling wall 21 side in the height direction Z, and the end of the mounting wall part 26 on the ceiling wall 21 side in the height direction Z serves as an open end. It is formed. Furthermore, the insertion space S between the mounting wall portion 26 and the side wall 22 is open on the ceiling wall 21 side in the height direction Z. Thereby, a part of the fixing member 14 can be inserted into the insertion space S of the fixed part 24 in the assembly direction D from the ceiling wall 21 side toward the assembly surface P.

As shown in FIGS. 1 and 2, the mounting wall portion 26 has a protruding wall 29 that protrudes in the width direction Y. As shown in FIGS. The protruding wall 29 is formed at the end of the mounting wall portion 26 on the opposite side to the second connecting portion 28 in the length direction X. Further, the protruding wall 29 protrudes from the mounting wall portion 26 to the outside in the width direction Y (on the opposite side to the insertion space S). Note that the protruding wall 29 of this embodiment is formed over the entire length in the height direction Z at the end of the mounting wall portion 26 in the length direction X.

(Fixing member 14)
As shown in FIGS. 1 and 3, the fixing member 14 attached to the mounting wall 26 of the fixed part 24 holds the fixing part 31 fixed to the fixed part 24 of the protector 13 and the second electric wire 12. The holding part 32 is provided.

The fixing part 31 is a substantially U-shaped alligator clip having an open end 31a, and is fixed in such a manner that the mounting wall part 26 is sandwiched in the width direction Y by a pair of pinching pieces 33 that the fixing part 31 has. The fixing portion 31 of this embodiment includes a substantially U-shaped metal portion 34 having a plurality of locking claws 34a that locks onto the mounting wall portion 26, and a covering portion 35 that covers the metal portion 34. Note that the parts of the fixing part 31 other than the metal part 34 are made of synthetic resin material.

The fixing part 31 is attached to the attachment wall part 26 along an assembly direction D from the ceiling wall 21 side toward the assembly surface P. At this time, the mounting wall portion 26 is inserted between the pair of sandwiching pieces 33 of the fixing portion 31. Furthermore, one sandwiching piece 33 is inserted into the insertion space S between the mounting wall portion 26 and the side wall 22 along the assembly direction D.

The covering portion 35 of the fixing portion 31 is formed with an extending portion 36 extending outward in the width direction Y (toward the side away from the protector 13). A holding portion 32 is integrally formed at the tip of the extending portion 36. That is, the covering part 35 of the fixing part 31 and the holding part 32 are connected to each other by the extending part 36.

The holding portion 32 of this embodiment has a configuration similar to a binding band. That is, the holding part 32 includes a head part 37 and a band part 38 extending from the head part 37. The head portion 37 provided at the end of the band portion 38 in the length direction is formed at the tip of the extension portion 36 . The band portion 38 is wound around the outer periphery of the second electric wire 12 and is fixed to the head portion 37 . Thereby, the second electric wire 12 is held by the holding part 32.

When the fixing member 14 is assembled to the mounting wall 26 of the protector 13 fixed to the mounting surface P of the vehicle body, the head part 37 of the holding part 32 is mounted in the height direction Z with respect to the fixing part 31. It is offset to the attached surface P side. That is, in the assembled state of the fixing member 14 described above, the center position of the head part 37 in the height direction Z is located closer to the assembly surface P than the center position of the fixing part 31 in the height direction Z.

The operation of this embodiment will be explained.
The protector 13 is arranged along the assembly surface P such that the open side of the accommodation space 25 opposite to the ceiling wall 21 is covered by the assembly surface P of the vehicle body. Then, the fixing part 31 of the fixing member 14 holding the second electric wire 12 is attached to the mounting wall part 26 of the protector 13 disposed on the assembly surface P, and It is assembled in the attachment direction D (in this embodiment, the direction along the height direction Z). Thereby, the second electric wire 12 is fixed to the protector 13. Therefore, even if it is not possible to attach a route regulating protector to the second electric wire 12 due to constraints on the vehicle body, the positional shift of the second electric wire 12 can be suppressed, and as a result, the connection between the second electric wire 12 and peripheral parts can be suppressed. This allows interference and abnormal noise to be suppressed.

The effects of this embodiment will be explained.
(1) The fixed portion 24 is configured such that the fixing member 14 can be attached in the assembly direction D from the ceiling wall 21 side toward the assembly surface P. According to this configuration, when attaching the fixing member 14 to the fixed portion 24 of the protector 13 with the protector 13 disposed on the assembly surface P of the vehicle body, the worker's fingers or the like may As a result, the ease of assembling the wire harness 10 is improved.

(2) The fixed portion 24 has a mounting wall portion 26 disposed opposite to the outer surface of the side wall 22. The end of the mounting wall 26 on the ceiling wall 21 side is configured as an open end. According to this configuration, the fixing member 14 can be configured to be attachable to the attaching wall portion 26 of the fixed portion 24 in the attaching direction D from the ceiling wall 21 side toward the attaching surface P.

(3) The fixing member 14 has a pair of sandwiching pieces 33 that sandwich the mounting wall 26, and one of the pair of sandwiching pieces 33 is assembled between the outer surface of the side wall 22 and the mounting wall 26. An insertion space S that can be inserted in direction D is provided. According to this configuration, the fixing member 14 having the pair of sandwiching pieces 33 can be configured to be attachable to the attaching wall portion 26 in the attaching direction D toward the attaching surface P from the ceiling wall 21 side.

(4) The mounting wall portion 26 includes a second connecting portion 28 and a protruding wall 29 as an extending wall extending in a direction (width direction Y) in which the mounting wall portion 26 and the side wall 22 face each other. The second connecting portion 28 and the protruding wall 29 are configured to be able to abut against the sandwiching piece 33 attached to the mounting wall portion 26 in a direction (lengthwise direction X) intersecting the assembly direction D. . According to this configuration, movement of the pinching piece 33 on one side in the length direction X is regulated by the second connecting portion 28, and movement of the pinching piece 33 on the other side in the length direction It looks like this. As a result, it becomes possible to suppress the pinching piece 33 from falling off from the mounting wall portion 26.

(5) The fixed portion 24 includes a first connecting portion 27 that connects the end of the mounting wall 26 opposite to the open end and the side wall 22. According to this, it is possible to suitably configure the mounting wall portion 26 which is disposed opposite to the outer surface of the side wall 22 and whose end portion on the ceiling wall 21 side is an open end portion.

This embodiment can be modified and implemented as follows. This embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
- The mounting direction D of the fixed part 31 to the fixed part 24 does not necessarily have to be perpendicular to the mounting surface P of the vehicle body. The assembly direction D may be a direction from the ceiling wall 21 side toward the assembly surface P, or may be a direction inclined with respect to the assembly surface P.

- The structure such as the shape of the main body part (ceiling wall 21 and each side wall 22, 23) of the protector 13 is not limited to the above embodiment, and can be changed as appropriate according to the structure of the vehicle body. For example, the shape of the ceiling wall 21 and each side wall 22, 23 viewed from the length direction X may be curved. That is, the shape of the main body portion of the protector 13 when viewed from the longitudinal direction X may be a semicircular arc shape or the like.

- The configuration such as the shape of the fixed portion 24 is not limited to the above embodiment, and can be changed as appropriate. For example, the protruding wall 29 may protrude from the mounting wall portion 26 inward in the width direction Y (toward the insertion space S side). Further, for example, a connecting portion connecting the mounting wall portion 26 and the side wall 22 may be formed at the end of the mounting wall portion 26 opposite to the second connecting portion 28 in the length direction X, so that the fixed portion 24 can be It may be configured to have a substantially U-shape when viewed from the height direction Z. Further, the connection structure of the mounting wall portion 26 to the side wall 22 is not limited to the first connection portion 27 and the second connection portion 28 as in the above embodiment, and the ceiling wall 21 side of the attachment wall portion 26 is an open end. Any configuration can be changed as appropriate.

- The fixing structure of the fixing part 31 to the fixed part 24 is not limited to the alligator clip type of the above embodiment, and can be changed as appropriate. For example, it may be an arrowhead-shaped fixing part that is inserted into an assembly hole formed on the protector 13 side along the assembly direction D.

- The structure of the holding part 32 of the fixing member 14 is not limited to the band shape as in the above embodiment, and for example, the second electric wire 12 may be fixed to the fixing member 14 with an adhesive tape. good.

10 wire harness 11 first electric wire 12 second electric wire 13 protector 14 fixing member 21 ceiling wall (first wall part)
22 Side wall (second wall)
22a Open end 23 Side wall (second wall part)
23a Open end 24 Fixed part 25 Accommodation space 26 Mounting wall part 27 First connecting part (connecting part)
28 Second connecting part (extending wall)
29 Projecting wall (extending wall)
31 Fixed part 31a Open end part 32 Holding part 33 Pinching piece 34 Metal part 34a Locking claw 35 Covering part 36 Extension part 37 Head part 38 Band part D Assembly direction P Assembly surface S Insertion space X Length direction Y Width Direction Z Height direction

Claims (3)

a first wall; and a pair of second walls extending from the first wall and facing each other,
A first electric wire is passed through a housing space formed by the first wall portion and each second wall portion,
A protector disposed along the assembly surface such that an open side opposite to the first wall in the housing space is covered by the assembly surface of the vehicle body,
A fixed part configured to be able to fix the fixing member is provided on the outer surface of the second wall part,
The fixing member is for fixing a second electric wire arranged outside the housing space separately from the first electric wire to the second wall,
The fixed portion is configured such that the fixing member can be attached in an assembly direction from the first wall side toward the assembly surface,
The fixed part has a mounting wall part which is arranged opposite to the outer surface of the second wall part, and whose end part on the first wall side is an open end part,
the fixing member is attached to the mounting wall;
The fixed portion is a protector including a connecting portion that connects an end of the mounting wall portion opposite to the open end portion and the second wall portion. The fixing member has a pair of sandwiching pieces that sandwich the mounting wall,
The protector according to claim 1, wherein an insertion space is provided between the outer surface of the second wall portion and the mounting wall portion, into which one of the pair of sandwiching pieces can be inserted in the assembly direction. . A protector according to claim 1 or claim 2,
a first electric wire passed through the accommodation space formed by the first wall portion and each second wall portion of the protector;
a second electric wire disposed outside the protector;
A wire harness comprising: the fixing member that holds the second electric wire and is fixed to the fixed portion of the protector.