JP6527555B2 - Vehicle seat - Google Patents

Description

  The present disclosure relates to a vehicle seat, and is applicable to, for example, a vehicle seat in which the side surface of the seat cushion is not covered with a resin side cover.

  In the case of a vehicle seat, particularly a mini vehicle seat, a load transfer member (a sheet metal bracket) for transmitting a force between the driver's seat and the passenger's seat at the time of a side collision is disposed at the outermost side of the seat cushion. The side surface of the seat cushion including the sheet metal bracket is not covered with the resin side cover.

JP 2017-43131 A

  If the sheet metal bracket is not covered by the side cover, it is necessary to form an appearance with the urethane pad and the trim cover. However, appearance defects such as displacement or depression of the urethane pad may occur, or appearance defects such as displacement or curling of the trim cover due to a load during seating or use may occur.

  An object of the present disclosure is to provide a vehicle seat that reduces appearance defects.

The outline of typical ones of the present disclosure will be briefly described as follows.
That is, the vehicle seat includes a seat cushion having a first side frame and a second side frame spaced apart from the first side frame, and a seat back attached to the seat cushion in an adjustable manner. Prepare. The seat cushion is joined to the first side frame, and has a load transfer member for transferring power between the driver's seat and the passenger seat at the time of a side collision, and a groove portion above the load transfer member, the load transfer It has a resin cover which covers a member, a urethane pad fitted in a groove of the resin cover, and a trim cover which covers the urethane pad and the load transfer member.

  According to the vehicle seat, appearance defects can be reduced.

It is a figure for demonstrating the example of the structure of a vehicle seat. It is a perspective view from the right front side of the seat frame of the vehicle seat of FIG. FIG. 3 is a perspective view from the rear right side of the seat frame of the vehicle seat of FIG. It is a perspective view from the right rear side in the state where the seat frame of Drawing 3 was covered with the cover. It is a perspective view from the right rear side of the state where the seat frame of Drawing 4 was covered with the pad. It is a perspective view from the right rear side of the state where the seat frame of Drawing 5 was covered with outer skin. It is sectional drawing from the back side of the AA of FIG. It is a perspective view from the right rear side of a vehicular seat concerning a comparative example.

  Hereinafter, examples will be described using the drawings. However, in the following description, the same components may be assigned the same reference numerals and repeated descriptions may be omitted. Note that the drawings may be schematically represented as to the width, thickness, shape, etc. of each portion in comparison with the actual embodiment in order to clarify the description, but this is merely an example, and the interpretation of the present invention is not limited. It is not limited.

  FIG. 1 is a perspective view from the rear right side of a vehicle seat. In order to facilitate understanding of the structure of the vehicle seat 1, the directions of “front”, “rear”, “left”, “right”, “upper” and “lower” are shown in the figure, and these directions Is also used to express relative positional relationship in the following description. Further, these directions correspond to the direction of the vehicle when the vehicle seat 1 is mounted on the vehicle. For example, the forward direction of the vehicle seat 1 and the forward direction of the vehicle indicate the same direction. The following describes the structure of the vehicle seat 1 suitable for the front left seat (for example, the front passenger seat), but the vehicle seat 1 is also applicable to other seats. The vehicle seat mounted on the right side of the vehicle has a configuration in which the left and right of the vehicle seat 1 are switched.

  The vehicle seat 1 includes a seat cushion 10, a seat back 20, a headrest 30, a side cover 40, a riser 50, and a seat slide adjustment device 60. The seat cushion 10 forms a seating surface. The seat back 20 forms a backrest. The headrest 30 is disposed above the seatback 20 and forms a pillow for supporting the head of the occupant. In addition, the vehicle seat 1 has a reclining device (recliner) that enables angle adjustment between the seat cushion 10 and the seat back 20.

  A retractor (not shown) of a seat belt device is fixedly installed on the upper left side of a vehicle seat 1 mounted on a vehicle. The webbing pulled out from the retractor is connected to the lower left anchor portion (not shown) of the vehicle seat 1. A tongue plate (not shown) is inserted in the middle of the webbing pulled out of the retractor. The tongue plate is attachable to and detachable from the buckle 71 connected to the right side frame portion (right side frame 111R in FIG. 3) via the anchor portion (bolt 72 in FIG. 3).

(Seat frame)
FIG. 2 is a perspective view from the right front side of a seat frame of the vehicle seat of FIG.

  The seat frame 100 is assembled by a seat cushion frame 110, a seat back frame 120 hinged to be reclined and adjustable to the seat cushion frame 110 by a reclining device 114, left and right seat slide adjusting devices 60, and left and right risers 50. The seat cushion 10 is assembled with a seat cushion frame 110, a urethane pad (not shown) and a trim cover (not shown), and the seat back 20 is a seat back frame 120, a seat back pad (not shown) and a skin (not shown) Can be assembled.

  The riser 50 includes a right support 50R, a left support 50L, and a connecting member 51. The right support 50R includes a front leg 52R and a rear leg 53R installed on the floor of the vehicle, and a side plate 54R. The same applies to the left support 50L.

  The seat slide adjusting device 60 is a left slide rail 62L which is slidably fitted in and supported by the left guide rail 61L, the right guide rail 61R, the left guide rail 61L and the right guide rail 61R. The slide rail 62R (see FIG. 3), the lock mechanism (not shown), and the operation mechanism (not shown) are usually assembled.

  The left guide rail 61L and the right guide rail 61R of the seat slide adjusting device 60 are fixedly mounted on the left support portion 50L and the right support portion 50R, respectively, and the seat cushion frame 110 is mounted thereon. The cushion frame 110 is fixedly mounted to support the seat cushion 10.

  The seat cushion frame 110 is formed of a substantially rectangular frame body serving as a framework of the seat cushion 10, and as shown in FIG. 2, a left side frame 111L and a right side frame 111R respectively disposed on the left and right sides; A connecting pipe that connects the plate-like frame 112 installed on the upper surface on the front side of the left side frame 111L and the right side frame 111R and the inner side surfaces on the rear side of the left side frame 111L and the right side frame 111R And 113, and a connecting pipe (not shown) connecting the front inner side surface.

  The left side frame 111L and the right side frame 111R are respectively formed of sheet metal members extending in the front-rear direction, and the left side frame 111L and the right side frame 111R are separated in the left-right direction in a substantially parallel state. doing.

  At a portion where the left side frame 111L and the seat back frame 120 are connected, as shown in FIG. 2, a reclining device 114 for rotatably connecting the seat back 20 to the seat cushion 10 is provided. The reclining device 114 includes, for example, a spiral spring (not shown) that biases the seat back frame 120 in the upright state, and a spring locking member (not shown) that locks the extension end of the spiral spring. There is. The left side frame 111L and the reclining device 114 are covered with a side cover 40.

  The seat back frame 120 includes a back frame body 121, a left side frame 122L, and a right side frame 122R.

  The back frame main body 121 is a frame member forming a framework of the seat back frame 120, and is formed by bending a cylindrical round pipe.

  The outer surface of the left side frame 122L is pivotally attached to the inner surface of the left side frame 111L. At this time, a reclining device 114 is assembled between these two surfaces. As a result, since the seat back frame 120 can be locked at a desired inclined position with respect to the seat cushion frame 110, the vehicle seat 1 can be provided with a reclining function.

  A pair of pillar guides 128 for inserting a pillar (not shown) of the head rest 30 is attached to the frame 121 b of the upper part of the back frame main body 121.

  A side cover 40 is attached to the left side frame 111L so as to cover (hide) the side portions of the seat cushion 10, the left side frame 111L, the left slide rail 62L, and the guide rail 61L. This attachment is removable, for example, by press-fitting projections (not shown) provided at a plurality of locations on the inner surface side of the side cover 40 into locking holes (not shown) formed in the left side frame 111L. Can do it.

  The side cover 40 is a molded product of synthetic resin and is provided with a mounting hole and a recess (not shown), and through the through hole and the through hole provided to penetrate the recess, the operation lever of the reclining device 114 on the surface side Etc. are protrusively provided for manual operation.

  At the time of a side collision, a sheet metal bracket 115, which is a load transfer member for transmitting a force between the driver's seat and the passenger's seat, is joined to the right side surface near the right side frame 111R connected with the connecting pipe 113. The side of the right side frame 111R is covered (hidden) with the skin.

  Next, the sheet metal bracket 115 and the periphery thereof will be described with reference to FIGS. FIG. 3 is a perspective view from the rear right side of the seat frame of the vehicle seat of FIG. FIG. 4 is a perspective view from the right rear side of the seat frame of FIG. 3 being covered by a cover. FIG. 5 is a perspective view from the rear right side of the seat frame of FIG. 4 covered with a pad. FIG. 6 is a perspective view from the right rear side of the seat frame of FIG. 5 covered with a skin. 7 is a cross-sectional view from the rear side of the line AA of FIG.

  As shown in FIG. 3, the sheet metal bracket 115 includes a rear wall 115a, a side wall 115b extending forward from the rear wall 115a, and an upper wall extending from the top of the side wall 115b to the right side frame 111R. A lower wall 115d (see FIG. 7) extends from the lower portion of the side wall 115b to the right side frame 111R. The left ends of the rear wall 115a, the upper wall 115c and the lower wall 115d are joined by welding to the right side frame 111R. The upper end of the rear wall 115a is higher than the upper wall 115c and has a level difference. The front portion of the upper wall 115 c is located above the connection pipe 113. The front of the side wall 115 b is located at the end of the connecting pipe 113. The side wall 115 b is located at the rightmost position except for the trim cover 43.

  As shown in FIGS. 3 and 4, the periphery of a portion (hinge portion) 116 where the outer surface of the right side frame 122R is pivotally attached to the inner surface of the right side frame 111R is covered with a resin cover 41. The cover 41 is roughly divided into a hinge cover 41a that covers the hinge 116 from the side of the right side frame 111R, a hem cover 41b that covers the lower part of the right side frame 111R from the left, and a bracket cover 41c that covers the sheet metal bracket 115. .

  The bracket cover 41c mainly covers the rear wall 115a and the upper wall 115c of the sheet metal bracket 115, and has a groove 41d opened upward at a portion covering the upper wall 115c. A slit 41e for fixing the trim cover 43 is provided between the hinge cover portion 41a and the portion covering the upper wall 115c of the bracket cover portion 41c.

  As shown in FIGS. 5 to 7, the urethane pad 42 is fitted and fixed in the groove 41 d of the bracket cover 41 c. Further, a J-shaped hook 44, which is a locking member for fastening the trim cover, is inserted into the slit 41e and fixed to the lower end of the hinge cover portion 41a. The J-shaped hook 44 is sewn to the trim cover 43.

  The vehicle seat according to the above-described embodiment will be described in comparison with the vehicle seat according to the comparative example.

  FIG. 8 is a perspective view from the right rear side of a vehicle seat according to a comparative example. In the vehicle seat according to the comparative example, the urethane pad 42S is set so as to cover the upper surface of the sheet metal bracket 115S, and the trim cover is further covered. In this case, the urethane pad 42S at the upper part of the sheet metal bracket 115S is likely to fall down from above the sheet metal bracket 115S due to the load in the direction of the arrow F (drops). There is a concern that the cover may be wrinkled, the trim cover may be turned over, and the frame may be exposed.

  On the other hand, in the vehicle seat according to the embodiment, since the urethane pad 42 is fitted and fixed in the groove portion 41d set in the bracket cover portion 41c, it is possible to prevent the urethane pad 42 from shifting and dropping. The appearance defect is less likely to occur than the comparative example because of the presence. Further, the appearance can be easily formed by inserting and fixing the J-shaped hook 44 for fastening the trim cover into the slit 41 e.

  In addition, since the trim cover can be fixed to the slit 41e set in the bracket cover portion 41c by the J-shaped hook 44, the defective elements such as displacement and flipping of the trim cover due to the load at the time of sitting and using be able to.

  Although the invention made by the inventor has been specifically described above based on the embodiments, it is needless to say that the present invention is not limited to the above embodiments and can be variously modified.

1: Vehicle seat 10: Seat cushion 110: Seat cushion frame 111R: Right side frame 115: Sheet metal bracket (load transfer member)
20: seat back 40: side cover 41: cover 41a: hinge cover 41b: hem cover 41c: bracket cover 41d: groove 41e: slit 42: urethane pad 43: trim cover 44: J-shaped hook (locking member )

Claims (3)

A seat cushion and a second side frame which are spaced apart from the first side frame and the first side frame,
A seat back attached to the seat cushion in an adjustable manner;
Equipped with
The seat cushion is
A load transfer member joined to the first side frame and performing a force transfer between the driver's seat and the passenger's seat at the time of a side collision;
A resin cover having a groove above the load transfer member and covering the load transfer member;
A urethane pad fitted to the groove portion of the resin cover,
And the door rim cover,
Vehicle seat provided with In the vehicle seat of claim 1,
The seat back has a seat back frame,
The resin cover includes a hinge cover portion that covers a portion at which the first side frame pivotally connects the seat back frame, and a slit portion between the hinge cover portion and the groove portion.
Have
The said trim cover is a vehicle seat provided with the latching member which fixes the said trim cover to the said slit part. In the vehicle seat of claim 2,
The seat cushion further includes a connection pipe connecting the first side frame and the second side frame,
The load transmitting member is a vehicle seat located at an end of the connection pipe.

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