JP2019182369A - Vehicular seat - Google Patents

Abstract

To provide a vehicular seat capable of facilitating handling of a skin material and rigidly attaching the skin material.SOLUTION: A vehicular seat S comprises: a back frame F2; a back pad P2; a back skin U2 (skin material). The back frame F2 comprises: left/right side frames 21A; an upper frame 21B and a lower frame 21C for coupling the left/right side frames 21A. The back skin U2 is arranged to surround the upper frame 21B and the lower frame 21C in view from a lateral direction, and a first engagement member 74 is provided on a first skin end 72 being one end part, and a second engagement member 75 is provided on a second skin end 73 being an opposite end of the first skin end 72. The vehicular seat S further comprises a skin attachment part 271 which is provided on the back frame F2 along the lateral direction and to which both of the first engagement member 74 and the second engagement member 75 are engaged.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a vehicle seat provided with a skin material covering a frame and a pad.

  As a skin material for a vehicle seat, for example, Patent Document 1 discloses a trim carpet that is attached to the back of a seat back of a vehicle seat. Patent Document 1 describes that an elastic band is provided at the lower end of the trim carpet, and this elastic band is attached to the bottom of the seat cushion.

JP 2010-005158 A

  By the way, it is desirable that the handling of the skin material is simple. In particular, a configuration in which one of the seat cushion and the seat back moves relative to the other, for example, a configuration in which the seat back falls forward and overlaps the seat cushion, or the seat cushion rotates and overlaps in front of the seat back. However, it is strongly desired that the handling of the skin material is simple. Further, for example, a structure in which the skin material is attached so as to be wound around the frame and hooks provided at both ends of the skin material are engaged and fastened is also conceivable, but it is desirable that the skin material is firmly attached.

Therefore, an object of the present invention is to provide a vehicle seat that can simplify the handling of the skin material and can be firmly attached to the skin material.
It is another object of the present invention to provide a compact configuration for the skin attachment portion of the seat.
Another object is to facilitate the attachment of the skin material.
Moreover, it aims at improving the workability | operativity of attachment of a skin material.
Another object is to stretch the skin material in a well-balanced manner.
Moreover, it aims at making a skin attachment location inconspicuous.
Moreover, it aims at suppressing touching a skin attachment location.

  To achieve the above object, a vehicle seat according to the present invention includes a frame of a seat cushion or a seat back, a pad that covers at least a part of the frame, and a skin material that covers the frame and the pad. The frame is a pair of couplings that are arranged to be separated from each other in the right-and-left direction, and to be separated from each other in an orthogonal direction orthogonal to the left-right direction, and to connect the left and right side parts. The skin material is disposed so as to surround the pair of connecting portions when viewed from the left-right direction, and a first engagement member is provided at a first skin end portion which is one end portion. A second engagement member is provided at the second skin end, which is the end opposite to the first skin end, and is further provided along the left-right direction on the frame. Both of the second engaging members There characterized in that it comprises a skin attachment portion engaged.

  According to such a configuration, since the attachment of the skin material can be completed with either the seat cushion or the seat back, the handling of the skin material can be simplified. Particularly, in the configuration in which one of the seat cushion and the seat back moves with respect to the other, the handling of the skin material can be simplified. In addition, since both the first engagement member and the second engagement member engage with the skin attachment portion provided on the frame, the engagement members provided at both ends of the skin material are engaged with each other to attach the skin material. The skin material can be attached more firmly than when it is attached.

  In the vehicle seat described above, the portion of the second engagement member that engages with the skin attachment portion is disposed at a position different from the portion of the first engagement member that engages with the skin attachment portion in the left-right direction. Can be configured.

  According to this, since the part engaging with the skin attaching part of the first engaging member and the part engaging with the skin attaching part of the second engaging member can be arranged side by side in the left-right direction, the skin attaching part of the seat can be arranged. It can be set as a compact structure.

  In the vehicle seat described above, the skin attachment portion may be configured by a rod-shaped member.

  According to this, since the first engaging member and the second engaging member can be easily engaged with the skin attaching portion, it is possible to easily attach the skin material.

  In the vehicle seat described above, the skin attachment portion may be arranged at a position between the pair of connecting portions in the orthogonal direction.

  According to this, since the first engaging member and the second engaging member can be easily engaged with the skin attaching portion, it is possible to easily attach the skin material.

  In the vehicle seat described above, at least one of the first skin end and the second skin end may include a tongue that extends from a part of the edge of the base.

  According to this, since the engaging member can be easily engaged with the skin attachment portion, the attachment of the skin material can be facilitated.

  In the above vehicle seat, a plurality of the tongue portions are provided side by side in the left-right direction, and the extension member is attached to the frame and extends from the inside to the outside of the skin material between the adjacent tongue portions. Can be arranged.

  According to this, since the engaging member can be engaged with the skin attaching portion while avoiding the extending member, the attaching of the skin material can be facilitated. In addition, the skin material can be firmly attached by providing a plurality of tongue portions on which the engaging members are provided.

  In the vehicle seat described above, the first engagement member and the second engagement member provided on the tongue portion have a plurality of hook portions that engage with the skin attachment portion, and the hooks One part can be set as the structure provided in the left and right both ends of the said tongue part at least.

  According to this, in a configuration having a plurality of hook portions, the tongue portion can be attached to the skin attachment portion with a good balance. Thereby, a skin material can be attached firmly.

  In the vehicle seat described above, the first engagement member and the second engagement member provided on the tongue portion include a hook connection portion that connects the plurality of hook portions. it can.

  According to this, since several hook parts can be handled integrally, the workability | operativity of attachment of a skin material can be improved.

  In the vehicle seat described above, the first engagement member and the second engagement member provided on the tongue portion have a hook portion that engages with the skin attachment portion, and the hook portion is The length in the left-right direction may be substantially the same as the length in the left-right direction of the tongue.

  According to this, since the width | variety of a hook part can be lengthened, a skin material can be firmly attached by engaging the said hook part with a skin attachment part. In addition, since only one hook is provided on the tongue, the workability of attaching the skin material can be improved.

  In the vehicle seat described above, among the portions of the skin material that are engaged with the skin attachment portion, those that are disposed on the outermost side in the left-right direction and engage with the left and right end portions of the skin attachment portion, It can be set as the structure provided in any one of the 1st skin edge part and the said 2nd skin edge part.

  According to this, the skin material can be stretched with a good balance when the skin material is engaged with the skin mounting portion.

  In the vehicle seat described above, the first engagement member and the second engagement member may have a J-shaped hook portion that engages with the skin attachment portion.

  According to this, since the first engaging member and the second engaging member can be easily engaged with the skin attaching portion, it is possible to easily attach the skin material. Moreover, since it is hard to remove | deviate after making it engage with a skin attaching part, a skin material can be attached still more firmly.

  In the vehicle seat described above, the frame is a frame of the seat back, the skin attachment portion is disposed at a position between the pair of connecting portions in the vertical direction that is the orthogonal direction, and the pad is A front covering portion that protrudes ahead of a front edge of the frame and covers a portion of the front side of the frame that is above the skin attachment portion; and the skin material has the first skin end portion of the front covering portion The first engagement member is engaged with the skin attachment portion from the front side, and the second skin end portion is below the skin attachment portion on the front edge of the frame. It can be set as the structure arrange | positioned along and the said 2nd engaging member was engaged with the said skin attaching part from the lower side.

  According to this, attachment of a skin material can be made easy. In addition, when viewed from the left and right, there is no gap between the bottom surface of the front covering portion and the corner formed by the front edge of the frame, and the skin material, so that the skin material is firmly attached to the frame or pad be able to.

  In the vehicle seat described above, the rear end portion of the seat cushion is arranged at a corner portion formed between the lower surface of the front covering portion and the front edge of the frame when viewed from the left-right direction. be able to.

  According to this, since the skin attachment location of the seat back can be covered with the seat cushion, it is possible to make the skin attachment location inconspicuous or to suppress touching the skin attachment location.

  According to the present invention, it is possible to simplify the handling of the skin material and to attach the skin material firmly.

  Further, the portion of the seat that is engaged with the skin attachment portion of the second engagement member is arranged at a position different from the portion that engages with the skin attachment portion of the first engagement member in the left-right direction, so that the skin attachment portion of the seat is compact. It can be set as a simple structure.

  Moreover, by attaching the skin attachment portion to a structure made of a rod-like member, the attachment of the skin material can be facilitated.

  Further, the skin material can be easily attached by arranging the skin attachment part at a position between the pair of connecting parts.

  Moreover, attachment of a skin material can be made easy because at least one of a 1st skin edge part and a 2nd skin edge part contains a tongue part.

  Further, the skin member can be easily attached by arranging the extending member between the tongue portions adjacent in the left-right direction. Moreover, the skin material can be firmly attached by providing a plurality of tongue portions on which the engaging members are provided.

  Further, the skin material can be firmly attached by providing one hook portion at each of the left and right ends of the tongue portion.

  Moreover, the workability | operativity of attachment of a skin material can be improved by providing the hook connection part which connects a some hook part to the engaging member provided in the tongue part.

  In addition, the skin material can be firmly attached by making the length of the hook portion in the left-right direction substantially the same as the length of the tongue portion in the left-right direction. Moreover, the workability of attaching the skin material can be improved.

  Of the portions of the skin material that are engaged with the skin attachment portion, those that are arranged on the outermost side in the left-right direction and engage with the left and right ends of the skin attachment portion are the first skin end portion and the second skin portion. By providing at either one of the end portions, the skin material can be stretched in a balanced manner.

  Further, by providing the engaging member with a J-shaped hook portion, it is possible to easily attach the skin material. In addition, the skin material can be attached more firmly.

  Further, by engaging the first engagement member with the skin attachment portion from the front side and engaging the second engagement member with the skin attachment portion from the lower side, the attachment of the skin material can be facilitated. In addition, the skin material can be attached firmly to the frame or pad.

  In addition, by arranging the rear end of the seat cushion at the corner formed between the lower surface of the front cover and the front edge of the frame, it is possible to prevent the skin attachment point from becoming noticeable or touching the skin attachment location You can do it.

It is a perspective view of the vehicle seat which concerns on embodiment, and is the figure (a) which shows a seating state, and the figure (b) which shows a stowed state. It is a perspective view of a seat frame. It is the figure which looked at the sheet | seat from the side, and is the figure (a) which shows a seating state, and the figure (b) which shows a stowed state. It is a perspective view which shows the lower part of a back frame, the 1st skin edge part of a back skin, and the 2nd skin edge part. It is sectional drawing (a) of a seat back, and the enlarged view (b) of the skin attachment part vicinity. It is a perspective view of a back skin. It is a perspective view which shows a 1st skin edge part and a 1st engaging member. It is a perspective view which shows a 2nd skin edge part and a 2nd engagement member. It is the perspective view (a) which shows the 2nd skin end part and 2nd engagement member which concern on a 1st modification, and the perspective view (b) which shows the lower part of a back frame, and the edge part of a back skin. It is a perspective view which shows the skin attachment part which concerns on a 2nd modification. It is a perspective view which shows the skin attachment part which concerns on a 3rd modification. It is sectional drawing of the seat back which concerns on a 4th modification.

Hereinafter, embodiments of the invention will be described with reference to the accompanying drawings. In this specification, front and rear, left and right, and top and bottom are based on a person sitting on a seat (sitting person).
As shown to Fig.1 (a), the vehicle seat of this embodiment is the vehicle seat S mounted in a motor vehicle, and is provided with seat cushion S1, seat back S2, and headrest S3. Yes. The vehicle seat S is configured to be switchable between a seating state shown in FIG. 1A and a storage state shown in FIG. The seating state is a state where the seat back S2 is raised with respect to the seat cushion S1, that is, a state where a person is sitting. In the retracted state, the seat back S2 is tilted forward and disposed on the seat cushion S1, and the seat cushion S1 moves from the seating state to the front side and the lower side so that the floor FL of the vehicle body (vehicle) is It is in a state of being placed nearby.

  The vehicle seat S includes a seat frame F as shown in FIG. The seat frame F includes a cushion frame F1 that is a frame of the seat cushion S1, a back frame F2 that is a frame of the seat back S2, and a headrest frame F3 that is a frame of the headrest S3. As shown in FIGS. 1A and 2, the seat cushion S1 is configured by covering the cushion frame F1 with the cushion pad P1, and further covering the cushion frame F1 and the cushion pad P1 with the cushion skin U1. The seat back S2 is configured by covering the back frame F2 with a back pad P2 as an example of a pad, and further covering the back frame F2 and the back pad P2 with a back skin U2 as an example of a skin material. The pads P1 and P2 are made of urethane foam or the like, and the skins U1 and U2 are made of fabric or leather. The back pad P2 may be configured to cover only a part of the back frame F2, or may be configured to cover the entire back frame F2. The same applies to the cushion pad P1.

As shown in FIG. 2, the cushion frame F <b> 1 includes a cushion pipe frame 11, left and right rear side frames 12, a rear frame 13, and a pan frame 14.
The cushion pipe frame 11 is a frame formed by bending a metal pipe into a substantially U shape, and connects the left and right front side frames 11 </ b> A extending substantially front and rear and the front portions of the left and right front side frames 11 </ b> A. And a front frame 11B.
The rear side frame 12 is made of sheet metal. A rear portion of the front side frame 11A is connected to the front portion of the rear side frame 12 by welding.
The rear frame 13 is made of a pipe and connects the rear portions of the left and right rear side frames 12.

  The pan frame 14 is made of a sheet metal, and a frame-shaped portion of the cushion frame F1, specifically, a frame-shaped portion formed by the cushion pipe frame 11, the left and right rear side frames 12, and the rear frame 13 in the left-right direction. Located near the center. The pan frame 14 extends substantially in the front-rear direction, and is welded to the front frame 11B and the rear frame 13 by welding so that the front end is connected to the front frame 11B and the rear end is connected to the rear frame 13. It is provided in the state.

  The back frame F <b> 2 includes a back pipe frame 21, a reinforcing member 22, a side bracket 23, and a back panel 24.

  The back pipe frame 21 is a frame in which a metal pipe is bent into a substantially rectangular shape and the ends of the pipes are connected to each other by welding at a lower portion, and a side frame 21A as a left and right side portion extending substantially vertically and an upper frame 21B. And a lower frame 21C. The left and right side frames 21A are spaced apart from each other in the left-right direction. The upper frame 21 </ b> B and the lower frame 21 </ b> C are an example of a pair of connecting portions, and are spaced apart in the vertical direction, which is an orthogonal direction orthogonal to the horizontal direction. The upper frame 21B extends to the left and right to connect the upper ends of the left and right side frames 21A, and the lower frame 21C extends to the left and right to connect the lower ends of the left and right side frames 21A. The upper frame 21B has a flat surface portion 21D formed by crushing a part of the pipe. A pair of support brackets 25 for attaching the headrest frame F3 is fixed to the flat surface portion 21D by welding.

The reinforcing member 22 is made of a pipe and connects the left and right side frames 21A. The reinforcing member 22 extends to the left and right, and the left and right ends are connected to the vicinity of the center in the vertical direction of the left and right side frames 21A by welding.
The side bracket 23 is made of a sheet metal, and is formed in a long and long shape that is substantially U-shaped in cross section. The lower part of the left and right side frames 21A is connected to the upper part of the side bracket 23 by welding.
The back panel 24 is made of sheet metal and is disposed so as to overlap the back pipe frame 21 when viewed from the front side. The back panel 24 is joined to the back pipe frame 21 and the side bracket 23 by welding. The back panel 24 is formed with a plurality of beads and convex portions that are convex toward the front side and have a concave shape when viewed from the rear side.

  The vehicle seat S includes a link 30. The link 30 is made of a pipe, and two links 30 are provided side by side. As shown in FIG. 3A, the link 30 has an upper end pivotally connected to the seat cushion S1 about the first axis A1, and a lower end centered on the second axis A2 parallel to the first axis A1. It is rotatably connected to the vehicle body. Specifically, a link mounting bracket 41 is fixed to the left and right front side frames 11A of the cushion frame F1 by welding in the vicinity of the center in the front-rear direction. The upper end of the link 30 is coupled to the link mounting bracket 41 so as to be pivotable back and forth about the first axis A1. The link 30 is connected to a first fixing bracket 42 whose lower end is fixed to the vehicle body so as to be pivotable back and forth about the second axis A2. The link 30 is disposed inside the front side frame 11A in the left-right direction (see FIG. 2). In other words, the left and right links 30 are disposed between the left and right front side frames 11A in the left-right direction. Further, the left and right links 30 are connected by a connecting pipe 35 that extends to the left and right.

  The seat cushion S1 is connected to the seat back S2 so as to be rotatable about a third axis A3 parallel to the first axis A1 behind the first axis A1, and the seat back S2 is located behind the second axis A2. Thus, the vehicle body is connected to the vehicle body so as to be rotatable about a fourth axis A4 parallel to the first axis A1. Specifically, the connection bracket 43 is fixed to the upper portion of the side bracket 23 of the back frame F2 by welding. The connection bracket 43 is provided so that the front portion projects forward from the side bracket 23. In the seat cushion S1, the rear side frame 12 constituting the cushion frame F1 is coupled to the front portion of the coupling bracket 43 so as to be rotatable up and down around the third axis A3. Further, the seat back S2 is connected to a second fixed bracket 44 whose lower end of the side bracket 23 is fixed to the vehicle body so as to be pivotable back and forth around the fourth axis A4. A lock mechanism (not shown) is disposed at the lower end of the side bracket 23, and when the seat bracket is in the seated state, the rotation of the seat back S2 around the fourth axis A4 is restricted. The lock by the lock mechanism is released by operating the lock release mechanism 50 by pulling up the strap 51 provided on the seat back S2 shown in FIG. 2, and thereby the fourth axis A4 of the seat back S2 is centered. Can be rotated.

As shown in FIG. 4, the seat back S <b> 2 includes a second support leg 26 as an example of an extending member, and a skin attachment wire 27 as a skin attachment member. As shown in FIG. 3B, the second support leg 26 is a member that supports the seat back S2 in the retracted state.
Returning to FIG. 4, the second support leg 26 includes a leg body 261 and a buffer member 262. The leg main body 261 is made of sheet metal and is open at the top and rear. The buffer member 262 is made of a material softer than the leg main body 261 and is formed in a bottomed cylindrical shape. As an example, the buffer member 262 is made of rubber. The buffer member 262 is fixed to the leg main body 261 with a screw.

  The second support leg 26 has a first end portion 26A and a second end portion 26B. With reference to the seating state, the first end portion 26 </ b> A is a rear end portion of the second support leg 26, and the second end portion 26 </ b> B is a front end portion of the second support leg 26. More specifically, the first end portion 26 </ b> A is a rear end portion of the leg main body 261, and the second end portion 26 </ b> B is configured by a buffer member 262. The first end portion 26A of the second support leg 26 is attached to the back frame F2 of the seat back S2 while being fixed to the seat back S2. Specifically, the second support leg 26 has a rear end portion of the leg main body 261 fixed to the lower frame 21C by welding. Thereby, the 2nd support leg 26 is provided so that it may extend toward inner side from back inner skin U2. Two such second support legs 26 are provided side by side. The two second support legs 26 are spaced apart in the left-right direction.

  The skin attachment wire 27 is made of a rod-like member and is formed in a substantially U shape. As an example, the skin attachment wire 27 is made of a metal wire. The skin attachment wire 27 includes a skin attachment portion 271 and left and right frame attachment portions 272 that are bent and extend from the left and right ends of the skin attachment portion 271. In the skin attachment wire 27, the left and right frame attachment portions 272 are connected to the inner surface in the left-right direction of the left and right side frames 21A by welding. The skin attachment portion 271 is provided on the back frame F2 along the left-right direction. Specifically, the skin attachment portion 271 extends in the left-right direction. As shown in FIG. 5A, the skin attachment portion 271 is disposed at a position between the upper frame 21B and the lower frame 21C in the vertical direction. Specifically, the skin attaching portion 271 is disposed at a position between the reinforcing member 22 and the lower frame 21C in the vertical direction. Moreover, the skin attaching part 271 is arrange | positioned in the position which overlaps with 21 A of side frames seeing from the left-right direction. Specifically, the skin attachment portion 271 is a position between the front edge and the rear edge of the side frame 21A, and is disposed at a position closer to the front edge than the rear edge of the side frame 21A when viewed from the left-right direction. . Although details will be described later, both the first engagement member 74 and the second engagement member 75 provided on the back skin U2 are engaged with the skin attachment portion 271 (see FIG. 5B).

  The back pad P <b> 2 has a front cover portion 61. The front covering portion 61 is a portion that covers a portion of the back pad P2 that is above the skin attachment portion 271 on the front side of the back frame F2. The front covering portion 61 is disposed so as to protrude forward of the front edge of the back frame F2, more specifically, the front edge of the back pipe frame 21. When viewed from the left-right direction, a corner portion C2 is formed between the lower surface of the front covering portion 61 and the front edge of the back pipe frame 21 with the front and lower sides open. In the present embodiment, the rear end portion of the seat cushion S1 is disposed so as to enter the corner portion C2 when viewed from the left-right direction when in the seated state.

  As shown in FIGS. 5A and 6, the back skin U2 is disposed so as to cover the back frame F2 and the back pad P2 and to surround the upper frame 21B and the lower frame 21C when viewed from the left-right direction. The back skin U <b> 2 has a skin body 71, a first skin edge 72, and a second skin edge 73. The skin main body 71 is a main body portion of the back skin U2 excluding the first skin edge 72 and the second skin edge 73, and mainly covers the upper side, the front and back, and the left and right of the back frame F2 and the back pad P2. The first skin end 72 is one end of the back skin U2 as viewed from the left-right direction, and the second skin end 73 is the end opposite to the first skin end 72. The back skin U <b> 2 is provided with a first engagement member 74 at the first skin end 72 and a second engagement member 75 at the second skin end 73.

  The first engaging member 74 is sewn on the rear surface of the first skin end 72 in the state shown in FIG. As shown in FIG. 7, the first engaging member 74 is made of resin and has three hook portions 74A and a hook connecting portion 74B. The hook portion 74A is a portion that engages with the skin attachment portion 271 and is formed in a J shape in a side view. One hook portion 74 </ b> A is provided near both end portions and the central portion in the left-right direction of the first skin end portion 72. The hook connecting portion 74B is a portion that connects the three hook portions 74A and extends to the left and right.

  As shown in FIG. 8, the second skin end portion 73 includes a base portion 73A and a tongue portion 73B. The base 73A is a portion that extends from the lower edge of the rear portion of the skin main body 71, and extends to the left and right. Further, the tongue portion 73B is a portion extending downward from a part of the lower edge in the state shown in FIG. 8 of the base portion 73A, and a plurality, specifically three, are provided in the left-right direction. Yes. In the present embodiment, in the three tongue portions 73B, the length in the left-right direction of the tongue portion 73B disposed in the middle is shorter than the length in the left-right direction of the tongue portions 73B disposed on the left and right sides thereof. In addition, the tongue 73B disposed on both the left and right sides is formed with a notch 73N having a shape recessed from the inner side in the left-right direction toward the outer side at a portion adjacent to the base 73A on the inner end in the left-right direction.

  The second engaging member 75 is provided on each of the three tongue portions 73B, and is sewn on the rear surface of the tongue portion 73B in the state shown in FIG. The second engaging member 75 provided on the tongue portion 73B is made of resin and has two left and right hook portions 75A and a hook connecting portion 75B. The hook portion 75A is a portion that engages with the skin attachment portion 271 and is formed in a J-shape when viewed from the side. One hook portion 75A is provided at each of the left and right ends of the tongue portion 73B. The hook connecting portion 75B is a portion that connects the two left and right hook portions 75A, and extends to the left and right.

  As shown in FIGS. 4 and 5, the back skin U2 is formed by covering the front skin body 71 with the back frame F2 and the back pad P2 from above, and the first skin end portion 72 of the front covering portion 61 constituting the back pad P2. It is arranged along the lower surface. The hook portion 74 </ b> A of the first engagement member 74 is engaged with the skin attachment portion 271 from the front side. Further, the back skin U2 has the second skin end 73 wound around the lower end of the back frame F2 from the rear to the front, and the three tongues 73B are below the skin mounting portion 271 and the front edge of the back frame F2. Are arranged along. The hook portion 75A of the second engagement member 75 is engaged with the skin attachment portion 271 from below. The second support legs 26 attached to the lower frame 21C are disposed between two tongue portions 73B adjacent in the left-right direction through notches 73N formed in the left and right tongue portions 73B. Thereby, the 2nd support leg 26 is arranged so that it may extend toward the outside from the inner side of back skin U2.

  As shown in FIG. 4, the hook portion 75 </ b> A that is a portion that engages with the skin attachment portion 271 of the second engagement member 75 is a portion that engages with the skin attachment portion 271 of the first engagement member 74 in the left-right direction. It is arranged at a position different from the hook portion 74A. Specifically, the hook portions 74A and 75A are arranged side by side in the left-right direction along the skin attachment portion 271 extending in the left-right direction. Further, of the hook portions 74A and 75A of the back skin U2, the hook portions 75A that are arranged on the outermost side in the left-right direction and engage with the left and right end portions of the skin attachment portion 271 are all the same skin end portion, Specifically, it is provided at the second skin end portion 73.

Next, the effect of the vehicle seat S according to this embodiment will be described.
When the unlocking mechanism 50 (see FIG. 2) is operated from the seating state shown in FIG. 3A to unlock the seat back S2, and the seat back S2 is tilted forward with respect to the seat cushion S1, The frame F2 rotates forward about the fourth axis A4. As a result, the third axis A3 pivots forward about the fourth axis A4, and the cushion frame F1 moves forward. Further, when the cushion frame F1 moves to the front side, the first axis A1 rotates to the front side and the lower side about the second axis A2, so that the link 30 rotates so as to fall forward about the second axis A2. The cushion frame F1 moves forward and downward. Then, as shown in FIG. 3B, when the seat back S2 overlaps the seat cushion S1 and the second end 26B of the second support leg 26 comes into contact with the floor FL, the vehicle seat S is retracted. Switch to state.

  On the other hand, when the seat back S2 is raised with respect to the seat cushion S1 from the retracted state, the back frame F2 rotates upward about the fourth axis A4. As a result, the third axis A3 rotates upward about the fourth axis A4, and the cushion frame F1 moves upward. When the cushion frame F1 moves upward, the first axis A1 rotates upward and rearward about the second axis A2, so that the link 30 rotates so as to stand up about the second axis A2. The cushion frame F1 moves upward and rearward. As shown in FIG. 3 (a), when the seat back S2 rises at a predetermined angle with respect to the seat cushion S1, a lock mechanism is actuated so that the seat back S2 does not fall backward any further. S switches to the seated state.

  According to the present embodiment, both the first skin end portion 72 and the second skin end portion 73 of the back skin U2 are attached to the skin attachment portion 271 provided in the seat back S2, and are not attached to the seat cushion S1. Therefore, the attachment of the back skin U2 can be completed only by the seat back S2. Thereby, handling of the back skin U2 can be simplified. In particular, when the seat back S2 moves so as to fall forward with respect to the seat cushion S1 when switching from the seated state to the retracted state, the handling of the back skin U2 can be simplified. In addition, since both the first engagement member 74 and the second engagement member 75 are engaged with the skin attachment portion 271, the engagement members provided at both ends of the back skin are engaged with each other to attach the back skin. The back skin U2 can be firmly attached.

  Further, since the hook portion 75A of the second engagement member 75 is arranged at a position different from the hook portion 74A of the first engagement member 74 in the left-right direction, the hook portions 74A, 75A can be arranged side by side in the left-right direction. it can. Thereby, the skin attachment location of seat back S2 can be made into a compact composition.

  Moreover, since the skin attachment part 271 (skin attachment wire 27) consists of a rod-shaped member, the 1st engagement member 74 and the 2nd engagement member 75 can be easily engaged with the skin attachment part 271. FIG. Thereby, attachment of back skin U2 can be made easy.

  Further, since the skin attaching portion 271 is disposed at a position between the upper frame 21B and the lower frame 21C in the vertical direction, for example, compared to the case where the skin attaching portion is the upper frame 21B itself or the lower frame 21C itself. The first engagement member 74 and the second engagement member 75 can be easily engaged with the skin attachment portion 271. Thereby, attachment of back skin U2 can be made easy.

  Further, since the skin attachment portion 271 is disposed at a position closer to the front edge than the rear edge of the side frame 21A when viewed from the left-right direction, in the configuration in which the back panel 24 is disposed behind the back pipe frame 21, the skin attachment A gap formed between the portion 271 and the back panel 24 can be increased. Thereby, since the 1st engaging member 74 and the 2nd engaging member 75 can be easily engaged with the skin attaching part 271, attachment of the back skin U2 can be made easy.

  In addition, since the second skin end portion 73 includes the tongue portion 73B, and the second engagement member 75 is provided on the tongue portion 73B, the second engagement member is provided at the left and right ends of the back skin U2. Compared to the case, the second engagement member 75 can be easily engaged with the skin attachment portion 271. Thereby, attachment of back skin U2 can be made easy.

  Further, since the second support leg 26 is disposed between the adjacent tongue portions 73B, the second engagement member 75 can be engaged with the skin attachment portion 271 while avoiding the second support leg 26. Thereby, attachment of back skin U2 can be made easy. Further, the back skin U2 can be firmly attached by providing a plurality of tongues 73B on which the second engagement members 75 are provided.

  In addition, since the hook portions 75A of the second engagement member 75 are provided at the left and right ends of the tongue portion 73B, the tongue portion 73B can be attached to the skin attachment portion 271 in a balanced manner in a configuration having a plurality of hook portions 75A. . Thereby, back skin U2 can be attached firmly.

  Further, since the first engagement member 74 and the second engagement member 75 have the hook connection portions 74B and 75B for connecting the hook portions 74A and 75A, the plurality of hook portions 74A and 75A can be handled integrally. Thereby, compared with the case where a plurality of unconnected hooks are provided on the first skin end portion 72 and the second skin end portion 73 (tongue portion 73B), the first skin end portion 72 and the tongue portion 73B are Since it can be easily attached to the skin attaching portion 271, the workability of attaching the back skin U <b> 2 can be improved.

  Further, since the hook portion 75A that is disposed on the outermost side in the left-right direction and engages with the left and right ends of the skin attachment portion 271 is provided only on the second skin end portion 73, the back skin U2 is attached to the skin attachment portion 271. The back skin U2 can be stretched in a well-balanced manner when engaged.

  Further, since the hook portions 74A and 75A are J-shaped, the first engagement member 74 and the second engagement member 75 can be easily engaged with the skin attachment portion 271 and the back skin U2 can be easily attached. It can be. Moreover, since it is hard to come off after engaging with the skin attaching part 271, the back skin U2 can be attached still more firmly.

  Further, since the first engagement member 74 is engaged with the skin attachment portion 271 from the front side and the second engagement member 75 is engaged with the skin attachment portion 271 from the lower side, the first engagement member and the second engagement member 271 are engaged with each other. Compared to the case where the engaging member is engaged with the skin attachment portion 271 from the same side, the attachment of the back skin U2 can be facilitated. In addition, since the first skin end portion 72 is disposed along the lower surface of the front covering portion 61 and the second skin end portion 73 is disposed along the front edge of the back pipe frame 21, There is no gap between the corner C2 formed by the lower surface of the front cover 61 and the front edge of the back pipe frame 21, and the back skin U2. Therefore, the back skin U2 can be attached firmly to the back frame F2 or the back pad P2 in close contact.

  Further, since the rear end portion of the seat cushion S1 is disposed at the corner portion C2 in the sitting state, the skin attachment portion of the seat back S2 can be covered with the seat cushion S1. Thereby, a skin attachment location can be made inconspicuous or it can suppress touching a skin attachment location.

As mentioned above, although one Embodiment of invention was described, this invention is not limited to the said embodiment. About a concrete structure, it can change suitably in the range which does not deviate from the meaning of invention as follows.
For example, in the above embodiment, the hook portion that is disposed on the outermost side in the left-right direction and engages with the left and right end portions of the skin attaching portion is provided on the second skin end portion, but is not limited thereto. It may be provided at the first skin edge.

  Moreover, in the said embodiment, although the hook part 75A was provided in total by two one each at the right-and-left both ends of the tongue part 73B, it is not limited to this. For example, three hook portions may be provided on one tongue portion. In this case, for example, one hook portion can be provided at each of the left and right ends of the tongue portion and one between the two left and right hook portions. Further, four or more hook portions may be provided on one tongue portion.

  In the above embodiment, a plurality of hook portions 75A are provided on one tongue portion 73B. However, the present invention is not limited to this. For example, as shown in FIG. A configuration may be adopted in which only one portion 73T is provided. In this case, the hook portion 75H can be configured such that the length L75 in the left-right direction is substantially the same as the length L73 in the left-right direction of the tongue portion 73B. According to such a configuration, since the width of the hook portion 75H can be increased, the back skin U2 is firmly attached by engaging the hook portion 75H with the skin attachment portion 271 as shown in FIG. 9B. be able to. In addition, since only one hook portion 75H is provided on one tongue portion 73T, the tongue portion 73T can be formed in comparison with a case where a plurality of unconnected hooks are provided on one tongue portion 73T. It can be easily attached to the skin attaching portion 271 and the workability of attaching the back skin U2 can be improved.

  Moreover, in the said embodiment, although the skin attachment member was the skin attachment wire 27 (bar-shaped member), it is not limited to this, For example, as shown in FIG. 10, a plate-shaped member may be sufficient. Specifically, the skin attachment plate 28 as a skin attachment member shown in FIG. 10 is made of sheet metal, and a first plate portion 281 extending left and right, and a left and right second plate extending rearward from the left and right ends of the first plate portion 281. Part 282. In the skin attachment plate 28, left and right second plate portions 282 are connected to the left and right side frames 21A by welding. The first plate portion 281 includes a skin attachment portion 283 provided on the back frame F2 along the left-right direction. Specifically, the skin attachment portion 283 includes a plurality of first engagement holes 283A that engage with hook portions of the first engagement member 74P provided at the first skin end portion 72, and a second skin end portion 73 ( A plurality of second engagement holes 283B with which the hook portions of the second engagement member 75P provided in the tongue portion 73B) are engaged. The first engagement holes 283A and the second engagement holes 283B are arranged side by side in the left-right direction.

  As shown in FIG. 11, in the configuration in which the skin attachment member is formed of a plate-like member, a hole in which the hook portion of the first engagement member 74 </ b> Q provided in the first skin end portion 72 is engaged, The hole with which the hook portion of the second engagement member 75Q provided in the skin end portion 73 is engaged may be a common engagement hole 283C. That is, the configuration may be such that both the hook portion of the first engagement member 74Q and the hook portion of the second engagement member 75Q engage with one engagement hole 283C. In such a configuration, the hook portion of the second engagement member 75Q (the portion engaged with the skin attachment portion 283) can be disposed at a position overlapping the hook portion of the first engagement member 74Q in the left-right direction. .

  Further, as shown in FIG. 12, the skin attachment member (skin attachment portion) may be a lower frame 21C constituting the back frame F2. Specifically, a configuration in which the first engagement member 74R and the second engagement member 75R of the back skin U2 are engaged with and attached to the lower frame 21C may be employed. The skin attachment member (skin attachment portion) may be the upper frame 21B. Further, the skin attachment member may be the back panel 24 as shown in FIG. 2, and in this case, the first engagement member and the first engagement member are attached to the back panel as shown in FIGS. 2 An engagement hole with which the engagement member is engaged can be provided, and the portion provided with the engagement hole can be used as the skin attachment portion.

  Moreover, in the said embodiment, although the three tongue parts 73B were provided along with the left-right direction, it is not limited to this. That is, the number of tongues is not particularly limited as long as the skin material can be firmly attached. For example, as shown in FIG. 9, the tongues 73T are arranged side by side in the left-right direction. Two or more may be provided. Further, the number of tongues may be two or one.

  Moreover, in the said embodiment, although the 2nd skin end part 73 was the structure containing the tongue part 73B, it is not limited to this, The structure in which a 1st skin end part contains a tongue part may be sufficient. In the case where the first skin end portion includes a tongue portion, the first engagement member provided on the tongue portion may employ a configuration like the second engagement member 75 of the above-described embodiment, for example. Moreover, the structure which both a 1st skin edge part and a 2nd skin edge part include a tongue part may be sufficient, and the structure which both do not include a tongue part may be sufficient. Moreover, in the said embodiment, although the base 73A was a part of 2nd skin end part 73 (skin end part), it is not limited to this, For example, a base is a skin body (skin material except a skin end part) Main body part). In other words, the tongue may be configured to extend directly from the epidermis body as the base.

  Moreover, in the said embodiment, although the 2nd support leg 26 was illustrated as an extending member, it is not limited to this. That is, the extending member is not particularly limited as long as the extending member is a member arranged so as to extend from the inner side to the outer side of the skin material, for example, a duct communicating with an air passage provided in the seat back, a seat A harness or the like for supplying electric power to a planar heater or the like provided in the bag may be used. Further, the vehicle seat may be configured not to include the extending member.

  Further, in the embodiment, the “frame”, “pad”, and “skin material” are the seat back frame, pad, and skin material, but the present invention is not limited thereto, and the seat cushion frame, pad, and skin material are used. There may be. That is, the present invention may be applied to a seat cushion. When the present invention is applied to a seat cushion, the front-rear direction corresponds to the “orthogonal direction orthogonal to the left-right direction”. Moreover, the structure which applied this invention to both the seat cushion and the seat back may be sufficient as the vehicle seat.

  In the embodiment, both the seat cushion S1 and the seat back S2 move with respect to the vehicle body. However, the present invention is not limited to this. For example, a configuration in which the seat cushion is fixed to the vehicle body and does not move, and the seat back falls forward and only overlaps the seat cushion may be employed. Alternatively, the seat back may be fixed to the vehicle body so as not to move, and the seat cushion may be rotated to overlap the seat back. Moreover, the structure which both a seat cushion and a seat back are fixed to a vehicle body, and does not move may be sufficient.

  Moreover, in the said embodiment, although vehicle seat S mounted in a motor vehicle was illustrated as a vehicle seat, it is not limited to this, The seat mounted in vehicles other than a motor vehicle, for example, a rail vehicle, a ship, an aircraft, etc. It may be.

  Moreover, each element demonstrated by above-described embodiment and modification can be implemented in combination as appropriate.

21A Side frame 21B Upper frame 21C Lower frame 26 Second support leg 61 Front covering portion 72 First skin end portion 73 Second skin end portion 73A Base portion 73B Tongue portion 74 First engagement member 74A Hook portion 75 Second engagement member 75A hook part 75B hook connection part 271 skin attachment part C2 corner F2 back frame P2 back pad S vehicle seat S1 seat cushion S2 seat back U2 back skin

Claims (13)

A vehicle seat comprising a seat cushion or a seat back frame, a pad covering at least a part of the frame, and a skin material covering the frame and the pad,
The frame has left and right side portions that are spaced apart in the left-right direction, and a pair of connecting portions that are spaced apart in the orthogonal direction perpendicular to the left-right direction and connect the left and right side portions,
The skin material is disposed so as to surround the pair of connecting portions when viewed from the left-right direction, and a first engagement member is provided at a first skin end portion which is one end portion, and the first skin end portion is provided. A second engagement member is provided at the second skin end, which is the end opposite to the portion
The vehicle seat further includes a skin attachment portion that is provided along the left-right direction on the frame and that engages both the first engagement member and the second engagement member.   The portion of the second engagement member that engages with the skin attachment portion is disposed at a position different from the portion of the first engagement member that engages with the skin attachment portion in the left-right direction. Item 2. The vehicle seat according to Item 1.   The vehicle seat according to claim 1, wherein the skin attaching portion is made of a rod-shaped member.   The vehicle seat according to any one of claims 1 to 3, wherein the skin attaching portion is disposed at a position between the pair of connecting portions in the orthogonal direction.   5. The device according to claim 1, wherein at least one of the first skin end portion and the second skin end portion includes a tongue extending from a part of an edge of a base portion. 6. Vehicle seat. A plurality of the tongues are provided side by side in the left-right direction,
The vehicle seat according to claim 5, wherein an extending member attached to the frame and extending from the inside to the outside of the skin material is disposed between the adjacent tongue portions. Among the first engagement member and the second engagement member, the one provided on the tongue has a plurality of hook portions that engage with the skin attachment portion,
The vehicle seat according to claim 5 or 6, wherein at least one hook portion is provided at each of the left and right ends of the tongue portion.   8. The vehicle according to claim 7, wherein one of the first engagement member and the second engagement member provided on the tongue has a hook connection portion that connects the plurality of hook portions. Sheet. Among the first engagement member and the second engagement member, the one provided on the tongue has a hook portion that engages with the skin attachment portion,
The vehicle seat according to claim 5 or 6, wherein a length of the hook portion in the left-right direction is substantially the same as a length of the tongue portion in the left-right direction.   Of the portion of the skin material that engages with the skin attachment portion, one that is disposed on the outermost side in the left-right direction and engages with the left and right ends of the skin attachment portion is the first skin end portion and the The vehicle seat according to any one of claims 1 to 9, wherein the vehicle seat is provided at one of the second skin end portions.   The said 1st engaging member and the said 2nd engaging member have a J-shaped hook part engaged with the said skin attaching part, The any one of Claims 1-10 characterized by the above-mentioned. Vehicle seats. The frame is a frame of the seat back;
The skin attaching portion is disposed at a position between the pair of connecting portions in the vertical direction which is the orthogonal direction,
The pad has a front covering portion that protrudes ahead of the front edge of the frame and covers a portion above the skin attachment portion on the front side of the frame;
In the skin material, the first skin end portion is disposed along the lower surface of the front cover portion, the first engagement member is engaged with the skin attachment portion from the front side, and the second skin end portion 2 is disposed along the front edge of the frame below the skin attachment portion, and the second engagement member is engaged with the skin attachment portion from below. Item 12. The vehicle seat according to any one of Items 11.   The rear end portion of the seat cushion is disposed at a corner portion formed between a lower surface of the front covering portion and a front edge of the frame when viewed from the left-right direction. Vehicle seats.

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