JP5870397B2 - Wire harness protector mounting structure - Google Patents

Description

  The present invention relates to a protector mounting structure for a wire harness.

  Patent document 1 is well-known in the mounting structure of the protector of a wire harness. In Patent Document 1, a protector is disposed along a longitudinal direction of a lean force with respect to a horizontally disposed lean force, and a curved concave portion formed at the bottom of the protector is associated with an upper curved surface of the lean force. The locking clamp provided at the bottom is engaged with the hole of the lean force. The locking clamp is provided with a locking claw so as to have an engagement margin at the tip, and when inserted into the hole of the lean force, the locking clamp is pulled out of the hole by the locking claw. It is impossible.

  The protector mounting structure as described above has an advantage that positioning and mounting of the protector with respect to the lean force can be simultaneously performed by the locking clamp.

JP2012-55105A

  However, in the protector mounting structure as described above, when the circular cross-section of the reinforcement to which the protector is mounted is small, the engagement allowance (width) of the locking claw provided on the protector cannot be sufficiently taken.

  In addition, when it is necessary to remove the protector from the lean force due to circumstances, the protector cannot be removed once the locking clamp is engaged with the hole of the lean force. There is a problem that it becomes impossible to redo the attachment of the protector. The protector can be removed by destroying the locking clamp of the protector. However, in this case, since the locking clamp is broken, the removed protector cannot be reused.

  It is an object of the present invention to allow a protector of a wire harness to be attached to a member to which the protector of the wire harness is attached when the protector of the wire harness is attached. It is another object of the present invention to provide a protector mounting structure for a wire harness that can be used and can be attached to a protector even if the member to which the protector is attached has a small cross-sectional shape.

  A mounting structure of a protector for a wire harness that solves the above problems includes a protector mounting frame that extends in the front-rear direction in a seat frame body, a seat side shield is disposed on a side surface of the protector mounting frame, and the seat frame A protector through which a wire harness disposed in the body is inserted is disposed below the lower surface of the protector mounting frame, and a lower portion is connected to the lower portion and extends further downward than the lower portion. The lower portion includes a fitting portion that is inserted upward into a fitting portion provided on a lower surface of the protector mounting frame and is detachable downward, and is arranged in the front-rear direction and the left-right direction by the fitting portion. The seat side shield has a claw portion that detachably engages the extension portion in the left-right direction. With it kicked, regulating portion for regulating the movement of the lower engaged with the extending portion is provided.

It is preferable that the extending portion is provided with a locking portion that engages with the restricting portion and prevents the protector from moving downward.
It is preferable that the said insertion part is a hole, and the said insertion part is a protrusion which can be fitted and detached to the said hole.

It is preferable that the restricting portion is formed also as the claw portion.
Or it is preferable that the said control part is formed independently of the said nail | claw part.

  According to the above-described wire harness protector mounting structure, when the wire harness is routed to the seat, the protector can be removed from the member to which the protector is attached without damaging the protector even after the protector is temporarily attached. Thus, the protector can be reused, and the protector can be attached even if the cross-sectional shape of the member to which the protector is attached is small.

The perspective view of the seat frame body of a 1st embodiment. The principal part expansion perspective view of a seat frame body. The disassembled perspective view of a seat frame body and a protector. The front view of a protector. Sectional drawing which shows the attachment state of the protector with respect to a frame material. The perspective view which shows the attachment state of the protector with respect to a seat side shield. Sectional drawing which shows the attachment state of the protector with respect to a seat side shield. The perspective view of the edge part of a protector. The front view which shows the attachment state of the protector with respect to the seat side shield of 2nd Embodiment. The front view which shows the attachment state of the protector with respect to the seat side shield of 3rd Embodiment. (A) is a principal part perspective view of the frame material of 4th Embodiment. (B) is sectional drawing which shows the attachment method of the protector with respect to a frame material. The layout of the protector of other embodiment. The layout of the protector of other embodiment.

(First embodiment)
Hereinafter, a first embodiment embodying a wire harness protector mounting structure will be described with reference to FIGS.

  The attachment structure of the protector for the wire harness of this embodiment is an example for routing the wire harness connected to the operation box provided in the armrest on the left side of the seat in the lower part of the armrest.

  As shown in FIGS. 1 and 3, the seat frame body 10 of the seat includes a pair of left and right side frame bodies 12, 14 and a lower frame body 16 that connects the lower portions of the both side frame bodies 12, 14. Is configured.

  As shown in FIG. 3, the left side frame 12 is provided on each of the frame material 18 constituting the upper part of the side frame 12, the frame material 20 constituting the lower part of the side frame 12, and the front and rear. A pair of frame members 22 and 24 are connected to each other at the end portions to form a square frame shape. Each frame material is made of metal. The frame members 18 and 20 extend in the front-rear direction, and the frame members 22 and 24 extend in the up-down direction.

  The right side frame body 14 is formed in a frame shape by a metal frame material corresponding to the frame materials 18, 20, 22, 24 of the left side frame body 12. In FIGS. 1 and 2, the side frame 14 is shown only in an upper frame material 14 a corresponding to the frame material 18 and a front frame material 14 b corresponding to the frame material 22. As shown in FIG. 2, the remainder of the frame material 18 except for a part is formed in a tubular shape.

  The lower frame 16 is formed into a frame shape by connecting a pair of frame members 26, 28 extending in the left-right direction, and the end portions of both frame members 26, 28, and a plate-like frame member 30 extending in the front-rear direction. Is formed.

  The side frame 12 is fixed to the frame member 30 of the lower frame 16 by welding or the like. Further, as shown in FIGS. 1 and 2, a plate-like seat side shield 32 made of synthetic resin is fixed to the frame member 30 so as to be positioned on the inner side surface (right side surface) side of the side frame 12. The right side surface side of the side frame 12 is covered.

  The side frame 14 is fixed to a frame material (not shown) provided on the right side of the lower frame 16 by welding or the like. Further, as shown in FIGS. 1 and 2, a plate-like seat side shield 34 made of synthetic resin is fixed to the frame member 14b or the like so as to be positioned on the inner side surface (left side surface) side of the side frame 14. Thus, the left side surface side of the side frame 14 is covered. Further, a seat back cover 36 is disposed between the seat side shields 32 and 34 on the depth side (rear side) of the seat, and covers the rear side of the seat back (not shown).

Next, the detail of the attachment structure of the protector of the wire harness of this embodiment is demonstrated.
As shown in FIG. 1, FIG. 2, and FIG. 4, the protector 40 is disposed along the frame material 18 and the seat side shield 32 at the upper part of the side frame 12. The protector 40 of the present embodiment is formed of a synthetic resin and includes a first component 41 to a seventh component 47 in order from top to bottom as shown in FIG.

  The second component 42 to the seventh component excluding the first component 41 are a pair of side walls erected on the left side from both sides of the bottom wall 40a, with the wall located on the seat side shield 32 side being the bottom wall 40a. A storage groove 50 is formed by forming a horizontal channel with 40b and 40c. The first component 41 of the protector 40 includes a bottom wall 40a and a side wall 40b, and the side wall 40c is omitted.

  As shown in FIG. 4, the first component 41 is disposed substantially parallel or parallel to the frame material 18. The second component 42 extends obliquely toward the frame member 18 and is connected to the third component 43. The third component 43 extends downward so as to intersect the frame member 18 and is connected to the fourth component 44. As shown in FIGS. 1 and 4, the fourth component 44 is formed so as to be located immediately below the lower surface of the frame member 18 except for a portion connected to the third component 43 and parallel to the frame member 18. It is extended forward so that it becomes.

A hole 18a is formed through the lower surface of the frame member 18 facing the side wall 40c of the fourth component 44. The fourth component 44 is an example of a lower part located below the frame material 18.
The lower portion may be arranged parallel to or obliquely with respect to the frame material 18 as long as the lower portion is arranged so as to be positioned below the frame material 18.

  The side wall 40c of the fourth component 44 is opposed to the lower surface of the frame member 18, and a protrusion 40d is provided on the side wall 40c so as to be detachable downward from the hole 18a. It is inserted. In the present embodiment, the hole 18a and the protrusion 40d are formed to have a circular cross section with the same diameter. By fitting the protrusion 40d into the hole 18a, the protector 40 is positioned with its movement in the front-rear direction and the left-right direction restricted.

  Further, by moving the protector 40 downward, the protrusion 40d can be detached from the hole 18a. A detailed method of detaching the protector 40 will be described later. The frame material 18 is an example of a protector mounting frame. Further, the protrusion 40d is an example of a fitting portion. The hole 18a is an example of a fitted portion.

  The fifth component 45 is connected to the fourth component 44 and extends obliquely forward and downward. The sixth component 46 is connected to the fifth component 45 and extends downward. The seventh component 47 is connected to the sixth component 46 and extends downward.

  Moreover, as shown in FIG. 7, the side wall 40c and the side wall 40b of the seventh component 47 are widened so that the distal end is longer than the base end, and insertion into the storage groove 50 of the wire harness W described later is performed. In addition to being able to be easily performed, the engaging claws 52 and 53, which will be described later, and the side walls 40c and 40b are easily engaged with each other.

  As shown in FIG. 8, the groove width of the storage groove 50 of the seventh component 47 is formed narrower than the groove width of the storage groove 50 of the sixth component 46, and the side wall 40 b of the seventh component 47 and the Locking step portions 48 are formed on the boundary of the side wall 40b of the sixth component 46 and on the boundary of the side wall 40c of the seventh component 47 and the side wall 40c of the sixth component 46, respectively. The fifth component 45 to the seventh component 47 are an example of an extending portion, and the locking step 48 is an example of a locking portion.

  As shown in FIGS. 2 to 4, 6, and 7, on the side surface of the seat side shield 32 on the protector 40 side, the configuration portion where the seventh configuration portion 47 is disposed includes a pair of locking claws 52, 53. Are formed respectively. The locking claws 52 and 53 are an example of a claw part and a regulation part. The leg portion 52 a of the locking claw 52 has elasticity, and the space between the claw tips is arranged narrower than the maximum width of the seventh component 47. In the present embodiment, when the seventh component 47 of the protector 40 is pressed between the locking claws 52 and 53 from the outside, the leg portion 52a of the locking claw 52 is elastically indicated by the arrow in FIG. By allowing the seventh component 47 to enter between the locking claws by bending in the expanding direction shown, the distal ends of the side walls 40c and 40b of the seventh component 47 are locked. Further, from the state shown in FIG. 7, the seventh component 47 can be detached from between the locking claws by bending the leg portions 52a of the locking claws 52 in the expanding direction.

  Further, in the present embodiment, as shown in FIG. 7, the locking claws 52 and 53 and the locking step portion 48 are locked while the seventh component 47 is locked to the locking claws 52 and 53. Thus, the downward movement of the protector 40 is restricted. Due to the downward movement restriction by the locking claws 52 and 53 of the protector 40, the protrusion 40d is prevented from being detached from the hole 18a.

  A regulating piece 55 is spaced apart from the tip of each of the side walls 40c, 40b forming the storage groove 50 of the protector 40. The restriction piece 55 prevents the wire harness W inserted and stored in the storage groove 50 from being detached from the storage groove 50. The upper end of the wire harness W stored in the storage groove 50 of the protector 40 is disposed in the operation box 60 disposed above the frame material 18, and the lower end of the wire harness W is extended downward, as illustrated. Not connected to electrical components.

(Operation of the embodiment)
Next, the operation of this embodiment will be described.
In this embodiment, when the protector 40 is attached to the frame member 18 and the seat side shield 32, the fourth component 44 is placed on the lower surface of the frame member 18 in a state where the wire harness W connected to the operation box 60 is stored in the storage groove 50. The protrusion 40d is inserted into the hole 18a from the obliquely downward direction to the obliquely upward direction in the opposite direction to position the protector 40 in the front-rear direction and the left-right direction. Thereafter, the seventh component 47 is pressed between the locking claws 52 and 53 of the seat side shield 32, and the leg portion 52a of the locking claw 52 is elastically bent in the expanding direction indicated by the arrow in FIG. After the seventh component 47 is inserted between the locking claws, the distal ends of the side walls 40c and 40b of the seventh component 47 are locked by the locking claws 52 and 53. In this state, even if the protector 40 tries to move downward, the locking claws 52 and 53 are locked to the locking step portion 48. Therefore, after the locking, the protector 40 does not move downward and the protrusion 40d. Does not detach from the hole 18a.

  After attaching the protector 40 to the frame member 18 and the seat side shield 32 as described above, when removing the protector 40 due to circumstances, the locking claw 52 is first moved in the expanding direction, contrary to the above, After the seventh component 47 is removed from between the locking claws 52 and 53, when the protector 40 is moved obliquely downward, the protrusion 40d is detached from the hole 18a.

This embodiment has the following features.
(1) The protector mounting structure of the wire harness according to the present embodiment is configured such that the seat frame body 10 includes a frame material 18 (protector mounting frame) extending in the front-rear direction, and the side surface of the frame material 18 has a seat side. A shield 32 is arranged. In addition, a protector 40 through which the wire harness W disposed in the seat frame body 10 is inserted is disposed below the lower surface of the frame member 18. The fourth component 44 (lower portion) and the fourth component 44 (lower portion) ) And a fifth component 45 to a seventh component 47 (extending portion) extending further downward than the fourth component 44 (lower portion). Further, the fourth component 44 (lower part) is provided with a protrusion 40d (insertion part) that is inserted upward into a hole 18a (insertion part) provided on the lower surface of the frame member 18 and is detachable downward. Therefore, the movement in the front-rear direction and the left-right direction is restricted by the hole 18a (inserted portion). Further, the seat side shield 32 is provided with locking claws 52 and 53 (claw portions) that detachably engage the fifth component portion 45 to the seventh component portion 47 (extension portion) in the left-right direction. The pawls 52 and 53 engage with the fifth component portion 45 to the seventh component portion 47 (extension portion) so as to restrict the downward movement.

  As a result, according to the present embodiment, when the wire harness is routed to the seat, the protector can be removed without destroying the protector even after the protector is temporarily attached to the member to which the protector is attached. The protector can be attached even when the cross-sectional shape of the member to which the protector can be attached is small.

  (2) In the present embodiment, the fifth component portion 45 to the seventh component portion 47 (extension portion) of the protector 40 are engaged with the locking claws 52 and 53 (regulation portion) and moved downward from the protector 40. A locking step portion 48 (locking portion) is provided to prevent the movement.

  As a result, according to the present embodiment, by restricting the downward movement of the protector 40 by the engagement of the locking step portion 48 and the locking claws 52 and 53, the protrusion 40d (inserted portion) of the protector 40 is regulated. ) From the hole 18a (inserted portion) can be prevented.

  (3) In the present embodiment, the hole 18a is formed as the insertion portion, and the protrusion 40d that can be fitted to and removed from the hole 18a is used as the insertion portion. As a result, the position of the protector can be regulated in the front-rear and left-right directions with a simple configuration.

(4) In the present embodiment, the locking claws 52 and 53 are formed so as to serve both as the restriction portion and the claw portion. As a result, there is no need to newly provide a regulating part.
(Second Embodiment)
Next, a second embodiment will be described with reference to FIG. In the following embodiments including this embodiment, the same or corresponding components as those in the first embodiment are denoted by the same reference numerals. In the following description, the configuration different from the other embodiments will be mainly described. The second embodiment is different from the first embodiment only in the arrangement configuration of the locking claws 52 and 53.

  In the second embodiment, the positions of the locking claws 52 and 53 of the first embodiment are arranged below the positions of the locking claws 52 and 53 of the first embodiment as shown in FIG. Instead, the positions of the locking claws 52 and 53 of the first embodiment are different in that a restricting protrusion 56 as a restricting portion that engages with each engaging step 48 is projected from the side surface of the seat side shield 32. Yes.

That is, in the first embodiment, the restricting portion and the claw portion are combined, whereas in the present embodiment, the restricting portion and the claw portion are provided independently.
Even if it does in this way, there can exist an effect similar to 1st Embodiment.

(Third embodiment)
Next, a third embodiment will be described with reference to FIG. The third embodiment is an example in which the restricting portion and the claw portion are provided independently as in the second embodiment. In the third embodiment, differences from the second embodiment will be described. In the third embodiment, the position where the restricting protrusion 56 is provided is the same as in the second embodiment, but the positions of the locking claws 52 and 53 lock the side walls 40c and 40b of the sixth component 46. The position has been changed.

By configuring in this way, the same effects as those of the first embodiment can be obtained.
(Fourth embodiment)
Next, a fourth embodiment will be described with reference to FIGS. 11 (a) and 11 (b).

  In 1st Embodiment, while providing the hole 18a in the frame material 18, the protector 40 was provided with the protrusion 40d which fits in the hole 18a. In 4th Embodiment, the fitting groove 18b is formed in the surrounding surface of the frame material 18 along the circumferential direction instead of the hole 18a. Further, as shown in FIG. 11B, the fourth component 44 of the protector 40 is provided with an engaging portion 40f having a recess 40e on the upper surface so as to be fitted into the fitting groove 18b.

  Then, when the protector 40 is attached to the frame material 18, the engaging portion 40 f is fitted into the fitting groove 18 b so that the recess 40 e comes close to or abuts the bottom of the fitting groove 18 b of the frame material 18. To place. By the fitting of the engaging portion 40f and the fitting groove 18b, the protector 40 is positioned in the front-rear direction and the left-right direction.

For example, the configuration of the restricting portion and the claw portion may be any one of the first to third embodiments.
Even if comprised in this way, there exists an effect similar to 1st Embodiment.

In addition, it may replace with the said embodiment and may be changed as follows.
-Although the attachment structure of the protector of the wire harness of 1st Embodiment is an example for routing the wire harness connected with respect to the operation box provided in the armrest on the left side of a sheet | seat inside the armrest below. A wire harness protector connected to an operation box provided on the armrest on the right side of the seat may be embodied.

  That is, in the above embodiment, the protector 40 is detachably supported with respect to the frame material 18 and the seat side shield 32 of the left side frame 12 of the seat, but the side frame 14 of the seat The protector 40 may be detachably supported with respect to the frame material 14 a and the seat side shield 34.

  -In the said embodiment, although the said hole 18a and the protrusion 40d were formed so that it might become a cross-sectional circle of the same diameter, these cross-sectional shapes are not limited to a circle. For example, the cross section of the hole 18a and the protrusion 40d may be a triangle, a quadrangle, or a polygon, or may be an identical shape such as an ellipse. Further, the shape may be different from each other as long as the protector 40 can be positioned in the front-rear direction and the left-right direction. Here, as examples of shapes that are different from each other and can be positioned in the front-rear direction and the left-right direction, the hole 18a has a circular cross section, and the cross-sectional shape of the protrusion 40d has a star shape, a gear shape, or the like. The protrusion 40d can be inserted into and removed from the hole 18a.

  In the embodiment, the fourth component 44 is an example of the lower part, but the lower part is not limited to the fourth component 44, and is a component located further below the fourth component 44. For example, the fifth component portion 45 or the sixth component portion 46 is the lower portion, the projection 40d is provided on the fifth component portion 45 or the sixth component portion 46, and the hole 18a that fits the projection 40d is a frame. It may be provided on the material 18. In this case, the remaining part which is not the lower part becomes the extension part.

  In the embodiment, the second component 42 and the fifth component 45 are each formed in an oblique shape, but the second component 42 is connected to the first component 41 at a right angle, or the fifth component The portion 45 may be connected to the fourth component 44 at a right angle and may be connected to the seventh component 47 in a straight line.

  In the first embodiment, the leg portion 52a of the locking claw 52 has elasticity. However, the leg portion of the locking claw 53 is formed to have elasticity, and the locking claw of the seventh component 47 is formed. Intrusion between them may be allowed. Further, the leg portions of the locking claws 52 and 53 may be made elastic so that both the locking claws can be bent in the expanding direction.

In the above embodiment, the protector 40 has the restriction piece 55 formed thereon, but a part or the whole of the storage groove 50 may be covered with a lid.
Further, as shown in FIG. 12, the shape of the protector 40 may be changed. FIG. 12 is a diagram simply showing the positional relationship and the simplified shape of the protector, and should be understood as being omitted as appropriate.

  In the protector 40 of the present embodiment, when the portion disposed along the lower surface of the frame member 18 is the lower portion 70, the extending portion 80 connected to the lower portion 70 is directed forward and obliquely downward. Is. In this case, the locking claws 52 and 53 as the claw portions that detachably engage the extending portion 80 in the left-right direction are disposed forward and obliquely downward from the lower portion 70 as shown in FIG. Further, a protruding portion 85 as a restricting portion that locks the bent portion 82 between the lower portion 70 and the extending portion 80 is provided so as to protrude from the seat side shield 32. Even in such a configuration, it is possible to prevent the protrusion 40d from being detached downward from the hole 18a (not shown in FIG. 12).

-Moreover, as shown in FIG. 13, you may change to the shape of the protector 40. FIG.
FIG. 13 is a layout diagram merely showing the positional relationship, and should be understood as being omitted as appropriate.

  In the protector 40 of the present embodiment, when the portion disposed along the lower surface of the frame member 18 is the lower portion 70, the extending portion 80 connected to the lower portion 70 is 180 degrees, and the sphere is approximately 180 degrees. The structure is reversed.

  In this case, the engaging claws 52 and 53 as the claw portions for detachably engaging the extending portion 80 in the left-right direction are positions at which the inverted constituent portions are engaged in the extending portion 80 as shown in FIG. Provided. In this embodiment, unlike the embodiment of FIG. 12, the projections 85 are omitted because the locking claws 52 and 53 (particularly the locking claw 52) also serve as a regulating portion.

  In this embodiment, as described above, since the protrusion also serves as the restricting portion, it is possible to prevent the protrusion 40d from being detached downward from the hole portion 18a (not shown in FIG. 13).

10 ... seat frame body, 18 ... frame material (frame for mounting the protector),
18a ... hole (inserted portion), 32 ... seat side shield,
40 ... Protector, 40d ... Projection (insertion part),
44 ... 4th component (lower part), 45 ... 5th component (extension part),
46: Sixth component (extension) 47: Seventh component (extension)
48 ... locking step (locking part), 52, 53 ... locking claw (claw part, regulating part)
W ... Wire harness.

Claims (5)

The seat frame body includes a protector mounting frame extending in the front-rear direction,
A seat side shield is disposed on the side surface of the protector mounting frame,
A protector through which a wire harness disposed in the seat frame body is inserted is connected to the lower portion disposed below the lower surface of the protector mounting frame and to the lower portion and extends further downward than the lower portion. With an extension part,
The lower portion includes an insertion portion that is inserted upward into a fitted portion provided on the lower surface of the protector mounting frame and is detachable downward, and restricts movement in the front-rear direction and the left-right direction by the fitted portion. And
The seat side shield is provided with a claw portion that detachably engages the extension portion in the left-right direction, and a wire that is provided with a restriction portion that engages with the extension portion and restricts downward movement. Harness protector mounting structure.     The attachment structure of the protector of the wire harness according to claim 1, wherein the extending portion is provided with a locking portion that engages with the restricting portion to prevent the protector from moving downward.   The attachment structure for a protector for a wire harness according to claim 1 or 2, wherein the inserted portion is a hole, and the inserted portion is a protrusion that can be fitted to and removed from the hole.   The attachment structure of the protector of the wire harness of any one of Claims 1 thru | or 3 in which the said control part is formed also as the said nail | claw part.   The attachment structure of the protector of the wire harness of any one of Claims 1 thru | or 3 with which the said control part is formed independently of the said nail | claw part.