JP2012040901A - Vehicle seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle seat capable of restraining a degradation in the appearance of harness of a seat back face due to an extra length portion thereof, and projection of the slack portion in a backward direction.SOLUTION: An extra length portion 31 of a harness 30 is covered with a flexible covering member 40 fixed onto a seat back 20. the covering member 40 is structured to perform covering, crossing the extra length portion 31 and has flexibility; therefore, the extra length portion 31 is restrained from project backward without interrupting movement of the extra length portion 31 of a harness 30 following the reclining operation of the seat back 20.

Description

  The present invention relates to a vehicle seat, and more particularly to a vehicle seat in which a harness is disposed from a rear end portion of a seat cushion to a back surface of a seat back.

  Passenger car seats and passenger seats generally have a configuration in which a seat back that supports the upper body is supported at the rear end of a seat cushion on which an occupant is seated so as to recline in the front-rear direction via a reclining shaft. It has become. By the way, there are seatbacks that incorporate a reclining motor, an electric support portion (lumbar support) that electrically and movably supports the back and waist of an occupant, or a heater. And the harness which is an electric wire bundle for supplying electric power to these electric components may be provided outside from the rear end portion of the seat cushion to the back surface of the seat back (see Patent Document 1).

  When the harness is routed in this way, the portion of the harness that hits the rear of the reclining shaft is a surplus part with a margin to prevent tensile or bending stress from being applied when the seat back is tilted forward. Is provided. If the extra length portion is not provided, when the seat back is tilted forward, a load is applied to the harness and the seat back cannot be tilted forward.

Japanese Patent Laid-Open No. 10-248681

  The extra length of the harness tends to protrude rearward when the seat back is tilted backwards, causing a decrease in appearance (look) or obstructing a passenger sitting on the rear seat. Problems arise.

  The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a vehicle seat that can suppress the appearance deterioration due to the extra length of the harness on the back of the seat and the rearward projection of the extra length. It is said.

  A vehicle seat according to the present invention includes a seat cushion, a seat back supported by a rear end portion of the seat cushion via a reclining shaft so as to be able to recline, and an exterior extending from the rear end portion of the seat cushion to the back surface of the seat back. A vehicle seat provided with a surplus length portion that allows a reclining operation of the seat back at a portion of the harness that contacts the rear of the reclining shaft. A flexible cover member that covers the surplus length portion of the harness in a direction in which the surplus length portion extends is provided.

  According to the present invention, since the surplus length portion of the harness is covered with the cover member, it is possible to suppress the deterioration of the external appearance and to restrict and suppress the rearward projection of the surplus length portion. Further, since the cover member is flexible and covers the surplus portion across the direction in which the surplus portion extends, the surplus member moves along the extending direction following the reclining operation of the seat back. Does not hinder the movement of the long part.

  In the present invention, one end of the cover member is fixed to the seat back, and an engagement member provided on the other end is detachably engaged with an engaged member provided on the seat back. Includes form. According to this embodiment, the harness is disposed in a state in which the engagement member is disengaged from the engaged member, and the surplus portion is exposed by opening the cover member from the state where the surplus portion is covered with the cover member. Can be made. Therefore, the harness can be disposed without being affected by the cover member, and the harness can be quickly removed for easy maintenance of the harness.

  In addition, the present invention includes a form in which the cover member is formed of the same material as the trim cover that forms the surface of the seat back. In this form, since the cover member is made of the same material as the seat back, the cover member is not conspicuous and can have an uncomfortable appearance.

  ADVANTAGE OF THE INVENTION According to this invention, there exists an effect that the vehicle seat which can suppress the external appearance fall by the surplus length part of the harness of a seat back surface, and the protrusion to the back of a surplus length part is provided.

It is the whole sheet | seat side view which concerns on one Embodiment of this invention. It is a perspective view from the back of the sheet. FIG. 3 is a side view of the seat, in which the seat back is tilted forward (a) and tilted backward (b). 1 is a partial perspective view of a seat back to which a cover member according to an embodiment is attached, showing a state in which the cover member is open. 1 is a partial perspective view of a seat back to which a cover member according to an embodiment is attached, showing a state in which the cover member is closed. It is BB sectional drawing of FIG.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a vehicle seat 1 according to an embodiment. The seat 1 is for a driver seat or a passenger seat, and includes a seat cushion 10 and a seat back 20. The seat cushion 10 has side frames 11 on both left and right sides, and a seat back frame 21 in the seat back 20 is supported by a rear end portion of the side frame 11 via a reclining shaft 22 so as to be reclining.

  The seat back 20 has a configuration in which a cloth or leather trim cover 24 is stretched on the surface of a cushion material 23 made of urethane or the like provided to wrap around the seat back frame 21, and the seat cushion 10 has the same configuration. . A headrest 25 is attached to the upper end of the seat back 20. According to the seat 1, the occupant sits on the seat cushion 10 in a state of facing forward (F direction in FIG. 1), and sits on the seat back 20 with the upper body from the back.

  As shown in FIG. 2, a plurality of harnesses 30 are disposed on one side (left side) of the back surface of the seat 1. These harnesses 30 are arranged outside from the rear end portion of the seat cushion 10 to the lower end portion of the back surface of the seat back 20. The harness 30 is, for example, a bundle of electric wires for feeding power to a reclining motor, a lumbar support, or a heater built in the seat back 20.

  The portion of the harness 30 that is exposed to the outside is a portion that hits the rear of the reclining shaft 22, and this portion has a sufficient length, and the seat back 20 has an arcuate shape in the rearward direction in a normal use state as shown in FIG. This is the extra length portion 31 in which the slack is generated. The surplus length portion 31 extends in the vertical direction, and by providing this surplus length portion 31, when the seat back 20 is tilted forward as shown in FIG. No bending stress is applied and damage is prevented.

  However, as shown in FIG. 3B, the extra length portion 31 protrudes in a curved state when the seat back 20 is tilted backward. Therefore, in the present embodiment, as shown in FIGS. 4 and 5, a cover member 40 that covers the extra length portion 31 of the harness 30 is provided on the seat back 20. The cover member 40 is made of a flexible cloth, resin, or the like, and is formed in a rectangular shape. One side portion of the cover member 40 is one side of the extra length portion 31 of the trim cover 24 of the seat back 20 (outside of the vehicle). ) And is fixed. The cover member 40 covers the surplus length portion 31 in a state of crossing the surplus length portion 31 in the lateral direction, and engages with an engaged member 55 fixed to the seat back 20 at the engagement member 50 provided at the other end. The extra length part 31 is covered by doing.

  FIG. 4 shows a state in which the cover member 40 is opened, and FIG. 5 shows a state in which the extra length portion 31 of the harness 30 is covered with the cover member 40. As shown in FIG. 6, the engaging member 50 is a plate having an arrow cross section and has a length extending over the entire length of the other end edge of the cover member 40, and the cover member 40 covers the surplus length portion 31. The tip engaging portion 50a having an arrow-like cross section is fixed to the inside of the other end portion of the cover member 40 so as to face the surplus length portion 31 side.

  On the other hand, on the other side of the surplus length portion 31 of the trim cover 24 of the seat back 20 (on the opposite side of the sewing portion of the cover member 40), the engaged member 55 is detachably engaged. Is fixed. The engaged member 55 is a plate having a J-shaped cross section formed of an elastic resin or the like, and the front-side engaged portion 55a having a J-shaped cross section faces the surplus length portion 31 side. The trim cover 24 of the back 20 is sewn and fixed.

  The engaging member 50 is engaged when the distal end engaging portion 50 a is inserted into the distal end engaged portion 55 a of the engaged member in the direction C in FIG. 6, whereby the cover member 40 is engaged with the extra length portion of the harness 30. The state of covering 31 is maintained. Further, when the engaging member 50 is pulled in the D direction, the tip engaged portion 55a is elastically deformed, the tip engaging portion 50a comes off and comes off, and the extra length portion 31 can be exposed by rolling the cover member 40. .

  According to this embodiment, since the surplus length part 31 of the harness 30 is covered with the cover member 40, the deterioration of the appearance is suppressed, and the deformation in which the surplus length part 31 protrudes rearward when the seat back 20 is tilted backward. It can be regulated and suppressed. Further, since the cover member 40 has flexibility and covers the surplus length portion 31 across the extending direction (vertical direction) of the surplus length portion 31, the extension direction follows the reclining operation of the seat back 20. The movement of the extra length portion 31 that moves along the line is not hindered.

  Further, the cover member 40 can be opened and closed by attaching and detaching the engaging member 50 to the engaged member 55 fixed to the seat back 20. For this reason, the harness 30 can be arrange | positioned in the state which opened the cover member 40, and maintenance of the harness 30 etc. can be performed by opening the cover member 40. In other words, the harness 30 can be disposed without being affected by the cover member 40, and the cover member 40 can be easily opened to quickly perform maintenance of the harness 30.

  In addition, as a material of the cover member 40, as described above, a flexible material such as cloth or resin having flexibility, which allows the movement of the extra length portion 31 while suppressing the extra length portion 31 of the harness 30 is relatively flexible. In addition to this, if the cover member 40 is formed of the same material as the trim cover 24 constituting the surface of the seat back 20 to which the cover member 40 itself is fixed, the cover member 40 is inconspicuous and uncomfortable. This is preferable because the appearance can be reduced.

  In addition, as the engaging member and the engaged member that detachably hold the state where the cover member in the present invention is held on the seat back side and the harness is covered, the engaging member 50 and the engaged member of the above embodiment are used. In addition to the form 55, any form may be used as long as it has a similar function. One example is a hook-and-loop fastener, and the hook-and-loop fastener has an advantage that it is relatively easy to attach and detach.

DESCRIPTION OF SYMBOLS 1 ... Vehicle seat 10 ... Seat cushion 20 ... Seat back 22 ... Reclining shaft 24 ... Trim cover 30 ... Harness 31 ... Extra length part 40 ... Cover member 50 ... Engagement member 55 ... Engaged member

Claims (3)

Seat cushion,
A seat back supported by a rear end portion of the seat cushion via a reclining shaft so as to be reclining;
A harness disposed outside from the rear end of the seat cushion to the back of the seat back,
In the vehicle seat provided with an extra length portion that allows a reclining operation of the seat back at a portion of the harness that contacts the rear of the reclining shaft,
A vehicle seat characterized in that a flexible cover member is provided on the seat back so as to cover the surplus portion of the harness in a direction in which the surplus portion extends.   The cover member has one end fixed to the seat back, and an engagement member provided at the other end is detachably engaged with an engaged member provided at the seat back. The vehicle seat according to claim 1.   The vehicle seat according to claim 1, wherein the cover member is made of the same material as a trim cover that constitutes a surface of the seat back.

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