JP2009154652A - External facing member fitted to seat and seat having the external facing member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an external facing member and a seat assemblable easily and causing no abnormal noise and wear. <P>SOLUTION: This seat 12 includes a backrest part side external facing member 19 fitted to a backrest part side frame 14. The backrest part side external facing member 19 includes wire harness 27 attached to the inner surface thereof facing the backrest part side frame 14 side, a backrest part side connector 29 connected to the wire harness 27, and a surplus length part 31 formed on the backrest part side external facing member 19, supporting the backrest part side connector 29, and extending outward. Consequently, the backrest part side connector 29 can be connected to a seat part side connector 23 by deforming the surplus length part 31. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an exterior material attached to a frame on which an auxiliary machine including electrical components is mounted, and a sheet provided with the exterior material.

For example, as a seat installed in a vehicle such as an automobile, an electric mechanism for adjusting the position of the seat portion in the front-rear direction and the up-down direction with respect to the vehicle body, and for reclining the backrest portion with respect to the seat portion There is known an electric seat on which an electric mechanism or an air conditioner for adjusting the temperature and humidity of the surface of the seat portion and the surface of the backrest portion is mounted.
In such an electric seat, an electrical component included in various mechanisms and devices (hereinafter collectively referred to as an auxiliary machine) and a wire harness connected to a control device that controls the operation of these auxiliary machines are routed.

Here, the wire harness routed between the seat portion and the backrest portion of the seat is protected by a predetermined protective member, and is configured to be able to follow the change in the elevation angle of the backrest portion with respect to the seat portion.
The protective member is formed so that a large number of pieces are connected to each other with pins, and a wire harness can be inserted into the connected many pieces.
By inserting the wire harness through the protective member, it is possible to deform following the change in the elevation angle of the backrest with respect to the seat (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 9-326571

However, since the protective member of Patent Document 1 has a large number of pieces connected by pins, the number of parts is large, it takes time to assemble, and the cost is high.
In addition, since many pieces are connected by pins, it is considered that abnormal noise or wear occurs when the protective member is deformed.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide an exterior material and a sheet that can simplify assembly work and are free from abnormal noise and wear.

In order to achieve the above-described object, the exterior material according to the present invention is characterized by the following (1) to (3).
(1) An exterior material to be attached to a frame constituting a skeleton of a seat, the inner surface facing the frame side when attached to the frame, a wire harness attached to the inner surface, and the exterior material A surplus length portion provided at an end of the exterior material so as to extend outward, and the linear portion of the wire harness is protected by the surplus length portion.

(2) In the exterior material configured as described in (1) above,
The connector provided in the wire harness is supported by the extra length portion.

(3) In the exterior material configured as described in (1) above,
It has a cushion material provided with the said inner surface, and the outer skin laminated | stacked on the surface of the said cushion material, The said linear part is protected by the said cushion material in the said extra length part.

  In the exterior material having the above configuration (1), the extra length portion may be formed by one or both of the cushion material constituting the exterior material and the outer skin laminated on the surface of the cushion material. And as the shape of the extra length part, it may be a flat plate shape along the generatrix of the linear part with respect to the wire harness extending outside the contour shape of the exterior material, or a U-shape or a cylinder that wraps the linear part It may be in the shape.

  In the exterior material having the above configuration (1), since the linear portion of the wire harness is protected by the extra length provided at the end of the soft exterior material, a conventional number of frames are connected with pins. Compared to the protective member, the high cost of assembling a large number of parts can be eliminated, and there is no possibility that abnormal noise or wear occurs when the protective member is deformed.

  In the exterior material having the above configuration (2), since the connector provided in the wire harness is supported by the surplus length portion, the relative position between the linear portion and the surplus length portion of the wire harness is regulated. The linear part of the wire harness is reliably protected.

  In the exterior material having the above configuration (3), since the linear portion of the wire harness is protected by the cushion material constituting the exterior material, the linear portion of the wire harness can be reliably protected even when an excessive external force is applied. .

  (4) In order to achieve the above-described object, the sheet according to the present invention includes the exterior material according to any one of (1) to (3), the frame forming a skeleton, and the exterior material on the frame. And the auxiliary device including the electrical component located in another exterior member mounted on the frame when mounted.

  According to the sheet of (4) having a configuration including the exterior material of (1), (2), or (3), the manufacturing cost can be reduced and abnormal noise or wear may occur. There is no possibility that the linear portion will drop off from the extra length portion, and a sheet that can reliably protect the linear portion of the wire harness can be obtained even if an excessive external force is applied.

  According to the exterior material to be attached to the sheet of the present invention and the sheet provided with the exterior material, an extra length portion extending outward is provided at an end portion of the exterior material, and the extra length portion has a linear shape of the wire harness. By protecting the portion, the manufacturing cost can be reduced and the noise and wear can be prevented.

Hereinafter, an exterior material attached to a sheet according to an embodiment of the present invention and a sheet including the exterior material will be described with reference to the drawings.
(First embodiment)
As shown in FIG. 1, a seat 10 according to the first embodiment includes a frame 11 that forms a skeleton of the seat 10 and an exterior material 12 that is attached to the frame 11, and is installed in a vehicle such as an automobile. .

The frame 11 includes a metal seat side frame 13 and a metal backrest side frame 14.
The seat part side frame 13 is a frame that forms a skeleton of the seat part 10A on which an occupant sits. The back portion side frame 14 is a frame that forms a skeleton of the back portion 10B that causes the back of the passenger to rest.
The back portion side frame 14 is attached to the rear portion of the seat portion side frame 13 so as to be reclining (up and down) in the front-rear direction.

The backrest side frame 14 includes auxiliary equipment including electrical equipment provided in the seat 10 (in other words, auxiliary equipment including electrical equipment positioned in the exterior material 12 when the exterior material 12 is attached to the frame 11). For example, a motor 16 or the like is provided.
The motor 16 automatically performs, for example, a reclining operation of the backrest side frame 14.

The exterior material 12 includes a seat-side exterior material (other exterior material) 18 attached to the seat-side frame 13 and a backrest-side exterior material (exterior material) 19 attached to the backrest-side frame 14. ing.
The seat portion side frame 13 and the seat portion side exterior member 18 constitute a seat portion 10A.
The seat portion 10A includes an ottoman (a leg mount) that is not shown.

The seat side exterior member 18 is provided with an electronic control unit (ECU) 22 for controlling the posture of the switch 21 and the seat, for example, as an auxiliary machine including electrical components, and the switch 21 and the electronic control unit (ECU) 22 A seat side connector 23 is provided.
In addition, as an auxiliary machine provided in the seat | sheet 10, the wire harness (not shown) with which the backrest part side frame 11 side was equipped is also contained.

The backrest portion side frame 14 </ b> B is configured by the backrest portion side frame 14 and the backrest portion side exterior material 19.
The backrest 10B includes a headrest, an armrest (not shown), and the like.
As shown in FIGS. 2 and 3, the backrest side exterior material 19 is a bag-like shape that covers the cushioning material 26 with a skin material (outer skin) 25 and covers the backrest side frame 14 (see FIG. 1). Is formed.
The skin material 25 is an outer skin of the backrest portion 10B formed of cloth or leather.
The cushion material 26 is formed of, for example, a foam material such as polyurethane molded into a predetermined shape.

  As shown in FIG. 3, the backrest side exterior material 19 includes a wire harness 27 attached to the inner surface 19 </ b> A, a connector 28 and a connector (hereinafter, “backrest side connector”) provided at the end of the wire harness 27. 29) and a surplus length portion 31 for supporting the backrest side connector 29.

The wire harness 27 has a linear portion attached to the inner surface 19 </ b> A facing the backrest portion side frame 14 of the backrest portion side exterior material 19, and is routed along the backrest portion side frame 14.
In the wire harness 27, a lower end portion (end portion) 27 </ b> A which is a part of a linear portion is routed to the extra length portion 31 and connected to the backrest side connector 29.

The connector 28 is provided (connected) to an end portion of the wire harness 27 other than the lower end portion 27A.
The connector 28 is connected to a connector (not shown) of the motor 16 (see FIG. 1) of the backrest side exterior material 19.

As shown in FIG. 4, the backrest side connector 29 is provided (connected) to the lower end portion 27 </ b> A (see FIG. 2) of the wire harness 27 and supported by the extra length portion 31.
The backrest side connector 29 is provided with a pair of locking projections 33 on the base portion 29A (see also FIG. 5), and allows the connector main body 29B to be inserted through the insertion hole 35 of the extra length portion 31, and the pair of locking projections 33 is also inserted. It is supported by the extra length portion 31 by being inserted into the locking hole 36 and locked.

  As shown in FIG. 5, the extra length portion 31 is provided on the lower end portion (end portion of the exterior material) 19 </ b> B of the backrest side exterior material 19 as an end portion of the exterior material so as to extend outward. This is a flexible part that supports the backrest side connector 29.

The extra length portion 31 includes a harness protection portion 41 extending from the lower end portion 19 </ b> B of the backrest portion side exterior member 19, and a connector support portion 42 that supports the backrest portion side connector 29 at the tip of the harness protection portion 41.
Thus, by extending the extra length portion 31 of the same material as the backrest portion side exterior material 19 from the lower end portion 19B of the backrest portion side exterior material 19, the surplus length portion 31 can be easily formed. Assembly work (formation work) can be simplified.

The harness protection part 41 is a flexible part including a cushion part 43 extending from the end part of the backrest side exterior material 19 and an outer skin part 44 provided on the surface of the cushion part.
A part of the cushion member 43 has a substantially U-shaped cross section, and a storage groove 45 is formed on the back surface along the longitudinal direction, and slits 46 </ b> A are formed on both side walls 46 of the storage groove 45. .
By storing the lower end portion 27 </ b> A of the wire harness 27 in the storage groove 45, the lower end portion 27 </ b> A that is a linear portion of the wire harness 27 is protected by the harness protection portion 41.

As described with reference to FIG. 4, the connector support portion 42 has an insertion hole 35 formed in a substantially central portion, and a pair of locking holes 36 formed in the vicinity of both side portions of the insertion hole 35.
The insertion hole 35 is formed so as to be substantially larger than the connector main body 29B, and is a hole through which the connector main body 29B can be inserted.

The locking hole 36 is a hole capable of locking the locking protrusion 33 by inserting the locking protrusion 33 of the backrest side connector 29.
As described with reference to FIG. 4, by supporting the backrest side connector 29 on the connector support portion 42, the lower end portion 27 </ b> A of the wire harness 27 can be stored in the storage groove 45.

In this state, the extra length portion 31 (specifically, the harness protection portion 41) with respect to the seat portion side connector 23 which is a mating connector mounted on the seat portion side exterior member (other exterior member) 18 shown in FIG. By deforming, the backrest side connector 29 can be easily electrically connected to the seat side connector 23.
Furthermore, since the surplus length portion 31 is formed of the same flexible material as the exterior material, even if the surplus length portion 31 deforms following the lower end portion 27A of the wire harness 27, abnormal noise or wear occurs. There is no fear.

Next, an example in which the lower end portion 27A of the wire harness 27 is caused to follow a change in the reclining (elevation) angle of the backrest portion 10B with respect to the seat portion 10A will be described with reference to FIGS.
As shown in FIG. 6A, when the backrest 10B is tilted forward in the direction of the arrow with respect to the seat 10A, the lower end 27A of the wire harness 27 is bent into a substantially U shape.
Following the bending of the lower end portion 27A, the extra length portion 31 (specifically, the connector support portion 42) is also bent in a substantially U shape.
Since the surplus length portion 31 is formed of the same flexible material as the exterior material, the lower end portion 27A, which is a linear portion of the wire harness 27, can be protected, and even if the surplus length portion 31 is bent (deformed). There is no risk of abnormal noise or wear.

As shown in FIG. 6B, when the backrest 10B is tilted backward in the direction of the arrow with respect to the seat 10A, the lower end 27A of the wire harness 27 extends substantially straight.
Following the extension of the lower end portion 27A, the extra length portion 31 (specifically, the connector support portion 42) also extends straightly.
In this case, as in the case where the surplus length portion 31 is bent in a substantially U shape, there is no possibility that abnormal noise or wear occurs even if the surplus length portion 31 is bent (deformed).

In the first embodiment, since the connector 29 provided on the wire harness 27 is supported by the surplus length portion 31, the relative relationship between the lower end portion 27 </ b> A that is a linear portion of the wire harness 27 and the surplus length portion 31. The position is regulated, so that the lower end portion 27A of the wire harness 27 is reliably protected.
And in 1st Embodiment, since the lower end part 27A which is a linear part of the wire harness 27 is protected by the cushion material 26 which comprises the backrest part side exterior material (exterior material) 19, excessive external force is added. In addition, the lower end 27A of the wire harness 27 can be reliably protected.

(Second Embodiment)
Next, a sheet according to the second embodiment will be described with reference to FIG. In addition, in the sheet | seat of 2nd Embodiment, the same code | symbol is attached | subjected about the component similar to the sheet | seat 10 of 1st Embodiment, and description is abbreviate | omitted.
In the sheet 60 of the second embodiment, an extra length portion 61 is provided at a rear end portion (end portion of the exterior material) 18A of the seat portion side exterior material 18 as an end portion of the exterior material.
Other configurations are the same as those of the seat 10 of the first embodiment.

The extra length portion 61 is provided on the rear end portion 18 </ b> A of the seat portion side exterior material 18 as an end portion of the exterior material so as to extend outward, and supports the seat portion side connector (seat side connector) 23. It is a flexible part.
That is, the surplus length part 61 is a site | part of the same structure as the surplus length part 31 of 1st Embodiment.

In this way, the extra length portion 61 can be easily formed by extending the extra length portion 61 of the same material as the seat portion side outer packaging material 18 from the rear end portion 18A of the seat portion side outer packaging material 18. As a result, assembly work (formation work) can be simplified.
By supporting the seat side connector 23 on the connector support portion 62 of the surplus length portion 61, the rear end portion (end portion) 65A of the wire harness 65 is accommodated in the accommodation groove (not shown) of the surplus length portion 61. Protected.

  In this state, the extra length portion 61 (specifically, the harness protection portion 63) is deformed with respect to the backrest portion side connector 29 which is a mating connector mounted on the backrest portion side exterior member 19, thereby the seat portion side connector. 23 can be easily connected to the backrest side connector 29.

  That is, according to the sheet 60 of the second embodiment, the same effect as that of the sheet 10 of the first embodiment can be obtained.

  In the first embodiment and the second embodiment, the motor 16, the switch 21, and the electronic control unit (ECU) 22 that controls the posture of the seat are illustrated as auxiliary machines including electrical components, but the present invention is not limited to this. It is also possible to apply to other auxiliary machines.

  Further, the frame 11, the exterior member 12, the seat part side frame 13, the back part side frame 14, the seat part side connector 23, the wire harnesses 27 and 65, the back part side connector 29, and the surplus in the first embodiment and the second embodiment. The shapes of the long portions 31 and 61 are not limited to those illustrated, and can be appropriately changed.

  INDUSTRIAL APPLICABILITY The present invention is suitable for application to an exterior material mounted on a frame on which an auxiliary machine including electrical equipment is mounted, and a sheet provided with the exterior material.

It is a side view which shows the sheet | seat (1st Embodiment) provided with the exterior material which concerns on this invention. It is a perspective view which shows the state which looked at the backrest part side exterior material of 1st Embodiment from back. It is a perspective view which shows the state which looked at the backrest part side exterior material of 1st Embodiment from the front. It is a perspective view which shows the state which looked at the surplus length part of 1st Embodiment from the front. It is a perspective view which shows the state which looked at the surplus length part of 1st Embodiment from back. It is a side view explaining the reclining (resting) operation | movement of the backrest part of 1st Embodiment. It is a side view which shows the sheet | seat (2nd Embodiment) provided with the exterior material which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Sheet | seat provided with exterior material 11 Frame 12 Exterior material 18 Seat part side exterior material (other exterior materials)
18A Rear end of seat-side exterior material (end of exterior material)
19 Backrest side exterior material (exterior material)
19A Inner surface 19B Lower end of backrest side exterior material (end of exterior material)
21 Switch (auxiliary machine including electrical equipment and electrical equipment)
22 Electronic control unit (ECU) for controlling the posture of the seat (auxiliary equipment including electrical equipment and electrical equipment)
27, 65 Wire harness 27A Lower end (end) of wire harness
29 Backrest side connector (connector, seat side connector)
31, 61 Extra length portion 65A Rear end of wire harness (end)

Claims (4)

It is an exterior material attached to the frame that forms the skeleton of the seat,
An inner surface facing the frame when mounted on the frame;
A wire harness attached to the inner surface;
An extra length provided at an end of the exterior material so as to extend outward from the exterior material;
Have
An exterior material, wherein a linear part of the wire harness is protected by the extra length part. The exterior material according to claim 1,
A connector provided on the wire harness is supported by the extra length portion. The exterior material according to claim 1,
A cushioning material comprising the inner surface, and a skin laminated on the surface of the cushioning material,
The exterior material, wherein the linear portion is protected by the cushion material in the extra length portion.   When the exterior material according to any one of claims 1 to 3, the frame forming a skeleton, and the exterior material attached to the frame when the exterior material is attached to the frame, A seat comprising: the auxiliary device including the electrical component positioned.

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