JP2019010921A - Vehicle seat - Google Patents

Abstract

To provide a vehicle seat including a resin shell type seat frame which inhibits deterioration of the appearance while having necessary rigidity and/or strength.SOLUTION: An automobile seat 1 includes: a resin panel frame 30 having a seat part 31 and a back part 32 and serving as a framework; and a cushion cover member 21 and a back cover member 22 which are disposed at the seating occupant side of the panel frame 30. Metal reinforcement frames 40 are disposed at both side parts of the panel frame 30 as seen in a seat width direction. At both side parts of the back part 32 as seen in the seat width direction, bent parts 32a1 are formed by end parts being bent to the inner side in the seat width direction. Each reinforcement frame 40 is connected to a shell at the bent part 32a1. The cushion cover member 21 and the back cover member 22 are attached to the panel frame 30 while covering the reinforcement frames 40 and the bent parts 32a1 so that the reinforcement frames 40 and the bent part 32a1 are not visible from the outside of the seat.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a vehicle seat.

  Conventionally, a vehicle seat having a shell-type seat frame made of a composite resin material is known. The vehicle seat described in Patent Document 1 has such a shell-type back frame. Such a shell-type back frame is formed of a resin such as polypropylene reinforced with glass fiber, and has a plurality of ridges extending in the vertical direction with a substantially U-shaped cross section in order to increase rigidity and / or strength. Is provided. Further, the shell type back frame described in Patent Document 2 is formed of a thermoplastic resin reinforced with glass fiber or carbon fiber, and has a semicircular cross section and an oblique shape in order to increase rigidity and / or strength. Plate-shaped ribs are integrally provided on tops of a plurality of ridges extending in the vertical direction.

Special table 2011-522728 gazette Special table 2013-539438 gazette

  In the techniques described in Patent Document 1 and Patent Document 2, sinking or the like due to the formation of groove-shaped dents and ribs integrally formed on the back surface portion of the back frame may occur, and the appearance may be deteriorated. Further, if a cover member is attached to avoid such a risk, there is a problem that the number of parts increases and the weight increases.

  In view of such problems, an object of the present invention is to provide a vehicle seat including a shell-type seat frame made of a resin material, and including a seat frame that suppresses deterioration in appearance while having necessary rigidity and / or strength. It is to provide a vehicle seat.

  A first invention of the present invention is a vehicle seat, which is a resin shell as a skeleton having a seat part and a back part for supporting a seated occupant, and is disposed on the seated occupant side of the shell so as to be attached to the body of the seated occupant A reinforcing member made of metal extending continuously from the seat portion to the back portion on both sides in the seat width direction of the shell, and the seat portion of the shell and / or At least a part of both sides in the seat width direction of the back portion is formed as a bent portion that is bent inward in the seat width direction so that the end of the shell covers the reinforcing member from the seating surface side, The reinforcing member is connected to the shell at the bent portion, and the cover member covers the reinforcing member and the bent portion so as to be invisible from the outside of the seat. Characterized in that attached.

  According to the first aspect of the present invention, the metal reinforcing members extending continuously from the seat portion to the back portion are disposed on both sides in the seat width direction of the shell, and the seat width of the seat portion and / or the back portion of the shell. A bent portion is formed on at least a part of both sides in the direction. Further, the reinforcing member and the bent portion are covered with a cover member so as not to be visible from the outside of the sheet. This makes it possible to ensure the required rigidity and / or strength without providing groove-like dents or ribs in the shell, and suppress deterioration of the appearance because the reinforcing member and the bent portion are not visible from the outside of the seat. it can.

  According to a second aspect of the present invention, in the first aspect, the reinforcing member is formed by bending a steel pipe.

  According to the second invention, the shell can be reinforced with a simple structure, and the rigidity and / or strength required for the shell can be ensured.

  According to a third aspect of the present invention, in the first aspect or the second aspect, the bent portion is provided on the back portion of the shell.

  According to the third aspect of the invention, the bent portion is provided on the back of the shell that is easily visible from the outside of the seat, and the necessity of arranging groove-like dents and ribs is reduced. Is big.

  According to a fourth aspect of the present invention, in the third aspect of the present invention, a flat bracket extending along the seat portion below the portion corresponding to the seat portion of the reinforcing member maintains a transverse section of the reinforcing member. The bracket is fastened and fixed to the vehicle body side member with the seat portion of the shell interposed therebetween.

  According to the fourth aspect of the invention, the bracket connected to the portion corresponding to the seat portion of the reinforcing member is fastened and fixed to the vehicle body side member via the seat portion of the shell. Thus, the shell can be firmly attached to the vehicle body side member. Further, since the reinforcing member is attached to the vehicle body side member while maintaining its transverse section, the reinforcing effect of the shell by the reinforcing member is not impaired.

It is the perspective view which looked at the vehicle seat which concerns on one Embodiment of this invention from diagonally forward. It is the disassembled perspective view which looked at the vehicle seat which concerns on the said embodiment from diagonally forward. FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 1. FIG. 4 is a sectional view taken along the line IV-IV in FIG. 1. It is a VV arrow line sectional view of Drawing 1. It is a figure which shows the state which attaches a back cover member to a seat frame in the vehicle seat which concerns on the said embodiment. It is a figure which shows the state which attaches a cushion cover member to a seat frame in the vehicle seat which concerns on the said embodiment. It is a figure which shows the state which attached the cushion cover member and the back cover member to the seat frame in the vehicle seat which concerns on the said embodiment. It is IX-IX arrow directional cross-sectional view of FIG. It is XX arrow directional cross-sectional view of FIG. It is XI-XI arrow sectional drawing of FIG.

  1 to 11 show an embodiment of the present invention. The present embodiment is an example in which the present invention is applied to an automobile seat. In each figure, each direction of the vehicle seat 1 and the vehicle when the vehicle seat 1 is attached to the floor F of the vehicle is indicated by an arrow. In the following description, the description regarding the direction is made based on this direction.

  As shown in FIG. 1, an automobile seat 1 according to the present embodiment is a single seat for a route bus, and includes a seat cushion 2 as a seating portion, a seat back 3 as a backrest, and a seat cushion 2 on the floor. The leg 4 attached with respect to F and the armrest 5 are provided. Here, the automobile seat 1 corresponds to the “vehicle seat” in the claims.

  The seat cushion 2 is configured by placing a cushion cover member 21 on a seat frame 10 forming a skeleton, and elastically supports a seated person's buttocks and thighs. The seat back 3 is configured by placing a back cover member 22 on a seat frame 10 forming a skeleton, and elastically supports the back of a seated person.

  As shown in FIGS. 1 and 2, the seat frame 10 includes a panel frame 30 that is a panel-like member made of fiber-reinforced resin, and a pair of left and right iron reinforcing frames 40 that reinforce the panel frame 30. Specifically, the panel frame 30 is a component formed by injection molding a polypropylene resin containing 30% by weight of a glass fiber having a fiber length of about 10 mm. The panel frame 30 extends substantially horizontally to the front, back, left, and right to support the seat occupant's buttocks and thighs, and extends obliquely upward and rearward from the rear end of the seat 31 to support the seat occupant's back. The back portion 32 is integrally formed. Here, the panel frame 30 corresponds to a “shell” in the claims.

  As shown in FIGS. 1, 2, and 5, the seat portion 31 is formed in a substantially rectangular shape when viewed from above, and is provided with cushion standing wall portions 31 a that extend upward at both left and right end portions. The cushion standing wall portion 31 a is formed so that the height in the vertical direction gradually increases as it goes from the front end portion of the seat portion 31 toward the rear end portion. A rectangular reduction hole 31b having a longitudinal direction in the left-right direction is provided in the central portion of the seat portion 31 in a top view. On the left and right outer sides of the reduction hole 31b, two color holes 31c for press-fitting a collar C for inserting a bolt B for fastening and fixing a bracket 41 of a reinforcing frame 40 to be described later to the leg 4 are provided on each of the left and right sides. It is provided side by side. A positioning hole 31f for positioning a bracket 41 of a reinforcing frame 40, which will be described later, is provided in the seat portion 31 at the center in the front-rear direction of the left and right collar holes 31c. Locking holes 31d for locking a front locking portion 21a2 of the cushion cover member 21 described later are provided at the left and right ends of the seat portion 31 on the front end side. Further, a plurality of plate-like ribs 31e extending in the front-rear direction or the left-right direction are disposed in the seat portion 31 in the seating surface side direction in order to ensure surface rigidity.

  As shown in FIGS. 1-4, the back part 32 is formed in the substantially rectangular shape by the front view, and the back standing wall part 32a extended toward the front is provided in right-and-left both ends. The back vertical wall 32a has a lower end connected to the rear end of the cushion vertical wall 31a, and the length in the front-rear direction gradually decreases from the lower end of the back 32 to the center in the vertical direction. Is formed. Further, the back standing wall portion 32a is formed as a bent portion 32a1 in which the front end portion is bent in the seat inner direction in the left-right direction in the portion from the vertical center to the upper end of the back portion 32. The bent portion 32a1 is formed so that the length in the left-right direction gradually increases from the lower end portion toward the upper end portion, and the collar hole 32a2 for press-fitting the metal collar C on the upper end portion side in the front-rear direction. It is provided through. The collar hole 32a2 is for bolting an upper end portion of a reinforcing frame 40 described later. In addition, a collar hole 32a3 for press-fitting a metal collar C is provided in the left-right direction slightly below the central portion in the vertical direction of the right back standing wall 32a. The collar hole 32a3 is for bolting an upper rear end portion of an armrest 5 described later. Further, a grip portion 32 a 4 extending in the left-right direction is provided at the upper end portion of the back portion 32. As shown in FIG. 9, the grip section 32a4 has a substantially oval cross section, and a substantially rectangular through-hole 32a5 extending in the left-right direction when viewed from the front is provided between the back section 32 and the main body section. ing. The left and right end portions of the grip portion 32a4 are smoothly connected to the upper end portions of the left and right bent portions 32a1. A first locked portion 32a6 that locks a first locking portion 22a2 of the back cover member 22 described later is provided at the center in the sheet width direction at the lower peripheral edge of the through hole 32a5. A pair of second locked portions 32a7 that lock the pair of second locking portions 22a3 of the back cover member 22 are provided below the left and right ends of the grip portion 32a4. Further, a pair of third locked portions 32a8 for locking the pair of third locking portions 22a4 of the back cover member 22 is provided below the collar hole 32a2 of the bent portion 32a1.

  As shown in FIGS. 1 to 5, the reinforcing frame 40 is formed by bending a steel pipe member having a circular cross section along the seating surface sides of the left and right ends of the panel frame 30. The portion along the upper surface of the seat portion 31 of the panel frame 30 on the lower end side of the reinforcing frame 40 is made of an iron plate extending in the front-rear direction with an L-shaped cross section on the lower surface side of the reinforcing frame 40 as shown in FIG. The bracket 41 is fixed by welding. Specifically, the bracket 41 abuts the vertical plate portion 41a corresponding to the short side of the L shape on the seat outer surface of the reinforcing frame 40 so as to extend in the vertical direction, and the horizontal plate corresponding to the long side of the L shape. The portion 41b is disposed in contact with the lower surface of the reinforcing frame 40 so as to extend in the left-right direction. In the horizontal plate portion 41b, two bolt holes 41b1 are provided side by side on the inner side of the reinforcing frame 40 so as to correspond to the collar holes 31c of the panel frame 30. Further, a positioning claw 41b2 extending downward (in the direction opposite to the seating surface) is provided at the inner end of the seat between the bolt holes 41b1 in the horizontal plate portion 41b. The positioning claw 41b2 is inserted into the positioning hole 31f of the panel frame 30 to position the reinforcing frame 40 with respect to the panel frame 30. The upper end portion of the reinforcing frame 40 is crushed in the front-rear direction and formed as a flat plate portion 40a. A bolt hole 40a1 is provided at the center in the left-right direction of the flat plate portion 40a so as to penetrate in the front-rear direction corresponding to the collar hole 32a2 of the panel frame 30. The left and right reinforcing frames 40 are arranged along the seating surface sides of the left and right end portions of the panel frame 30, and the flat plate portion 40 a is brought into contact with the bent portion 32 a 1 of the panel frame 30 from the rear. In this state, the inner cylinder portion of the collar C press-fitted into the collar hole 31c of the panel frame 30 and the bolt hole 41b1 are aligned and fastened and fixed through the bolt B. Thereby, the reinforcing frame 40 is integrated with the panel frame 30 to form the seat frame 10. The reinforcing frame 40 corresponds to a “reinforcing member” in the claims.

  As shown in FIGS. 2, 5, 7 and 11, the cushion cover member 21 includes a base material 21a made of polypropylene resin, and a cushion material 21b made of foamed urethane resin placed on the base material 21a. And a skin material 21c covering the cushion material 21b. The base member 21a is formed in a curved shape that protrudes downward in order to support the seated person's buttocks and thighs from below with good stability. A plurality of plate-like ribs 21a1 extending in the front-rear direction are disposed downward on the lower surface side (the side opposite to the seating surface) of the base material 21a. When the cushion cover member 21 is placed on the seat portion 31 of the panel frame 30, the lower end portion of the rib 21 a 1 contacts the upper surface of the seat portion 31 and supports the cushion cover member 21 with respect to the panel frame 30. Further, as shown in FIGS. 7 and 11, a pair of left and right front locking portions 21 a 2 that can be locked to the locking holes 31 d of the panel frame 30 are provided on the front end side of the lower surface side of the base material 21 a. It has been. When the front locking portion 21a2 is inserted into the locking hole 31d from above, the front locking portion 21a2 engages with the peripheral edge of the locking hole 31d so that the front end portion side of the base material 21a does not move up and down, front and rear, left and right with respect to the panel frame 30. It is in the form of a clip that can be attached, and is formed integrally with the base material 21a. Further, a pair of left and right rear locking portions 21a3 are formed at the rear end portion of the base member 21a so as to extend rearward and upward. The rear locking portion 21a3 is locked from the lower side to the receiving portion 22a5 at the lower end portion of the back cover member 22 in a state of being attached to the panel frame 30, and the rear end portion side of the base material 21a is opposed to the panel frame 30. It can be mounted vertically and forward and backward. The cushion material 21b is manufactured by foaming a foamed urethane resin in a mold, and the thickness in the vertical direction is about 25 mm. The skin material 21c is formed of a fabric, a synthetic resin sheet, or the like. With the cushion material 21b placed on the base material 21a, the skin material 21c is applied from above, and the end portion of the skin material 21c is fixed to the surface of the base material 21a opposite to the cushion material 21b by tacking or bonding. By doing so, the cushion cover member 21 is formed. Here, the cushion cover member 21 corresponds to a “cover member” in the claims.

  As shown in FIGS. 2 to 4, 6, and 9, the back cover member 22 includes a base material 22 a made of polypropylene resin, and a cushion material 22 b made of urethane foam resin placed on the base material 22 a. And a skin material 22c covering the cushion material 22b. The base material 22a is formed in a curved shape that is convex rearward in order to support the seated person's back from behind with good stability. A plurality of plate-like ribs 22a1 extending in the vertical direction are disposed rearward on the rear surface side (the side opposite to the seating surface) of the base material 22a. When the back cover member 22 is placed on the back portion 32 of the panel frame 30, the rear end portion of the rib 22 a 1 contacts the front surface of the back portion 32 and supports the back cover member 22 with respect to the panel frame 30. Further, as shown in FIGS. 6 and 9, on the upper end portion side of the rear surface side of the base material 22 a, the first locking that is locked to the first locked portion 32 a 6 of the panel frame 30 at the center in the left-right direction. A portion 22a2 and a pair of second locking portions 22a3 that are locked to the pair of second locked portions 32a7 of the panel frame 30 are provided on the left and right ends. Further, a pair of third engagements that are engaged with the pair of third engagement portions 32a8 of the panel frame 30 are provided on the left and right end portions on the lower side of the second engagement portion 32a7 on the rear surface side of the base member 22a. Stop part 22a4 is provided. In addition, as shown in FIG. 10, a receiving portion 22a5 for receiving the rear end portion of the cushion cover member 21 from below is provided at the lower end portion of the base material 22a. When the upper end side of the base material 22a is inserted into the upper part of the front side of the back part 32 of the panel frame 30 from below, the first locking part 22a2 is connected to the first locked part 32a6 and the pair of second locked parts. A pair of second locking portions 22a3 are fixed to the portion 32a7, and a pair of third locking portions 22a4 are locked to the pair of third locked portions 32a8. At this time, the upper end portion side of the base material 22a is fixedly attached to the back portion 32 of the panel frame 30 upward, front and rear, and right and left. The cushion material 22b is formed by cutting a slab material of urethane foam resin into a predetermined shape, and its vertical thickness is about 10 mm. The skin material 22c is the same as the skin material 21c and is formed of a fabric, a synthetic resin sheet, or the like. With the cushion material 22b placed on the base material 22a, the skin material 22c is covered from above, and the end portion of the skin material 22c is fixed to the surface of the base material 22a opposite to the cushion material 22b by tacker or adhesion. By doing so, the back cover member 22 is formed. Here, the back cover member 22 corresponds to a “cover member” in the claims.

  As shown in FIGS. 1, 2, 4, and 5, the armrest 5 has a structure in which a metal frame 51 is covered with a resin cover 52 made of a thermoplastic resin such as polypropylene resin. The armrest 5 extends in the front-rear direction and connects the arm placement portion 5a on which the seated person puts his arm, the attachment portion 5b attached to the right side of the leg 4 described later, and the arm placement portion 5a and the attachment portion 5b. A connecting portion 5c extending in the direction. In the frame 51, a pipe portion 51a bent in a substantially L shape along the arm placement portion 5a and the connecting portion 5c and a press portion 51b formed along the shape of the mounting portion 5b are integrated by welding. Is formed. The upper rear end portion of the pipe portion 51a is crushed in the left-right direction to form a flat plate portion 51a1. As shown in FIG. 4, the flat plate portion 51a1 is provided with a through hole 51a2 penetrating in the left-right direction, and a bolt B extending leftward (in the direction of the panel frame 30) through the through hole 51a2 is fixed by welding. Yes. The bolt B is passed through the inner cylinder portion of the collar C press-fitted into the collar hole 32a3 of the panel frame 30, and fastened with a nut N on the left side (inner side of the seat) of the back upright wall portion 32a. The part is attached to the panel frame 30. At this time, since the flat plate portion 51a1 of the pipe portion 51a of the frame 51 is covered with the resin cover 52, the bolt B or the like is not visually recognized from the outside, and the appearance quality can be kept good. As shown in FIG. 5, the press portion 51 b of the frame 51 is fastened and fixed with bolts to the right end portion side of the upper plate member 61 of the leg 4 described later. At this time, since the press part 51b of the frame 51 is covered with the resin cover 52 on the right side (sheet outer side), the bolt B or the like is not visually recognized from the outside, and the appearance quality can be kept good.

  As shown in FIGS. 1, 2, and 5, the leg 4 has a rectangular upper plate member 61 with the left-right direction as the longitudinal direction when viewed from above, and a substantially central portion in the left-right direction of the upper plate member 61 on the floor F It has a main leg portion 62 that supports it, and an auxiliary leg portion 63 that supports the left end of the upper plate member 61 with respect to the floor F. The upper plate member 61 is formed by extrusion molding of aluminum, and a bolt B can be disposed at a predetermined position on the upper surface portion. The main leg 62 is an iron columnar member and mainly supports the weight of the seated person. The auxiliary leg portion 63 is an iron plate-like member, and mainly supports the upper plate member 61 so as not to tilt left and right. A resin lid member 64 for concealing the opening cross section is attached to the right end portion of the upper plate member 61. The leg 4 corresponds to a “vehicle body side member” in the claims.

  With reference to FIGS. 6-11, the assembly procedure of the vehicle seat 1 is demonstrated. First, the left and right reinforcing frames 40 are arranged along the seating surface sides of the left and right ends of the panel frame 30. Then, the flat plate portion 40a is brought into contact with the bent portion 32a1 of the panel frame 30 from the rear, and the inner cylinder portion of the collar C press-fitted into the collar hole 32a2 of the panel frame 30 and the bolt hole 40a1 are aligned with each other through the bolt B. The nut N is tightened and fixed (see FIG. 3). At this time, the positioning claw 41b2 of the bracket 41 is inserted into the positioning hole 31f of the panel frame 30 from above and positioned in the left-right direction with respect to the panel frame 30 below the reinforcing frame 40. Next, as shown in FIG. 5, the panel frame 30 to which the reinforcing frame 40 is attached is placed on the upper plate member 61 of the leg 4 assembled in advance. Then, the bolt B disposed at a predetermined position on the upper surface portion of the upper plate member 61 is passed through the inner cylinder portion of the collar C press-fitted into the collar hole 31c of the panel frame 30 and the bolt hole 41b1 of the reinforcing frame 40 and is Tighten the nut N and fix it. Next, as shown in FIGS. 2 and 4, the bolt B disposed at the upper rear end portion of the armrest 5 is inserted into the inner cylinder portion of the collar C press-fitted into the collar hole 32 a 3 of the panel frame 30 from the right side. Pass through and tighten nut N from the left. Then, the press portion 51 b of the armrest 5 is fastened and fixed to the right end portion side of the upper plate member 61 of the leg 4 with a bolt B and a nut N.

  Next, as shown in FIGS. 6 and 9, the upper end portion side of the back cover member 22 is inserted into the upper portion of the front side of the back portion 32 of the panel frame 30 from below and fixed. At this time, as described above, the first locked portion 22a2 is connected to the first locked portion 32a6, the pair of second locked portions 22a3 is connected to the pair of second locked portions 32a7, and the pair of third locked members. A pair of third locking portions 22a4 is locked and attached to the locking portion 32a8. At this time, the upper end side of the back cover member 22 is fixed to the panel frame 30 so as to be fixed upward, front, back, left and right, but the lower end side of the back cover member 22 is not fixed to the panel frame 30 and The cover member 22 is in a state where it can move downward relative to the panel frame 30. Finally, as shown in FIGS. 7, 10, and 11, the rear end portion of the cushion cover member 21 is abutted against the receiving portion 22 a 5 at the lower end portion of the back cover member 22, and the rear locking portion 21 a 3 is attached from below. The pair of front locking portions 21a2 of the cushion cover member 21 are inserted into the pair of locking holes 31d of the panel frame 30 from above and fixed in a state of being locked and pressed backward. Accordingly, the back cover member 22 is prevented from moving downward relative to the panel frame 30, and the cushion cover member 21 and the back cover member 22 are fixed to the panel frame 30 so as to be immovable in the vertical and forward / backward / left / right directions. FIG. 8 shows this state. Finally, the lower ends of the main leg 62 and the auxiliary leg 63 of the leg 4 are fixed to the floor F.

  The present embodiment configured as described above has the following operational effects. Reinforcing frames 40 that extend continuously from the seat portion 31 to the back portion 32 are disposed on both the left and right sides of the panel frame 30, and a bent portion 32 a 1 is formed at a portion from the center in the vertical direction of the back portion 32 to the upper end portion. Is formed. In addition, the reinforcing frame 40 and the bent portion 32a1 are covered with the cushion cover member 21 and the back cover member 22 so as to be invisible from the outside of the seat, including bolts B and nuts N that fasten and fix the reinforcing frame 40 to the panel frame 30. ing. This makes it possible to ensure the necessary rigidity and / or strength without providing groove-like dents or ribs in the panel frame 30, and to suppress deterioration of the appearance. Further, since the reinforcing frame 40 is formed by bending a steel pipe, the panel frame 30 can be reinforced with a simple structure, and the rigidity and / or strength required for the seat frame 10 can be ensured. Further, since the bent portion 32a1 is formed on the back portion 32 of the panel frame 30, the necessity of providing groove-shaped dents and ribs on the back portion 32 that is easily noticeable from the outside of the seat is reduced, and the appearance of the seat is deteriorated. The effect of suppressing is great. In addition, the reinforcing frame 40 has a bracket 41 fastened and fixed to the leg 4 with the seat portion 31 of the panel frame 30 interposed therebetween. Thereby, the panel frame 30 can be firmly attached to the leg 4. Further, since the reinforcing frame 40 is attached to the leg 4 while maintaining its cross section, the reinforcing effect of the panel frame 30 by the reinforcing frame 40 is not impaired.

  As mentioned above, although specific embodiment was described, this invention is not limited to those external appearances and structures, A various change, addition, and deletion are possible in the range which does not change the summary of this invention. For example, the following can be mentioned.

  1. In the said embodiment, the panel frame 30 was formed by injection molding of the polypropylene resin containing glass fiber. However, the present invention is not limited to this, and carbon fibers and aramid fibers can be used as the reinforcing fibers, and other thermoplastic resins such as nylon can be used as the matrix resin. Further, a glass fiber fabric or a carbon fiber fabric may be formed of a fiber reinforced resin obtained by hardening a thermosetting resin matrix resin such as an epoxy resin or an unsaturated polyester resin.

  2. In the above embodiment, the reinforcing frame 40 is formed by bending a pipe member having a circular cross section. However, the present invention is not limited to this, and a pipe material having a rectangular, polygonal, or elliptical cross section may be bent, or a steel material having a solid cross section or a press-formed product of a steel plate may be used. Further, it may be made of a light metal such as aluminum or magnesium.

  3. In the above embodiment, the seat frame 10 is attached to the floor F via the legs 4, but the seat frame 10 may be directly attached to the floor F.

  4). In the above embodiment, the cushion cover member 21 is formed as a three-layer structure of the base material 21a, the cushion material 21b, and the skin material 21c. However, the present invention is not limited to this, and the base material 21a can be omitted or the cushion material 21b can be omitted. It can be omitted. The same applies to the back cover member 22.

  5. In the above embodiment, the present invention is applied to an automobile seat, but may be applied to a seat mounted on a vehicle such as an airplane, a ship, or a train.

1 Car seat (vehicle seat)
4 legs (vehicle body side member)
10 Seat frame 21 Cushion cover member (cover member)
22 Back cover member (cover member)
30 Panel frame (shell)
31 Seat part 32 Back part 32a1 Bending part 40 Reinforcement frame (reinforcement member)
41 Bracket F Floor

Claims (4)

A vehicle seat,
A resin shell as a skeleton having a seat portion and a back portion for supporting the seated occupant, and a cover member disposed on the seated occupant side of the shell and contacting the body of the seated occupant,
Metal reinforcing members that are continuously extended from the seat portion to the back portion are disposed on both side portions of the shell in the seat width direction,
At least a part of both sides of the seat portion and / or the back portion of the shell in the seat width direction is bent inward in the seat width direction so that the end portion of the shell covers the reinforcing member from the seating surface side. Is formed as a bent part,
The reinforcing member is connected to the shell at the bent portion;
The vehicle seat, wherein the cover member covers the reinforcing member and the bent portion so as not to be visible from the outside of the seat and is attached to the shell.   The vehicle seat according to claim 1, wherein the reinforcing member is formed by bending a steel pipe.   3. The vehicle seat according to claim 1, wherein the bent portion is provided on the back portion of the shell. In Claim 3, the flat bracket extended along the seat is connected to the lower side of the portion corresponding to the seat of the reinforcement member, maintaining the cross section of the reinforcement member,
The bracket is a vehicle seat fastened and fixed to a vehicle body side member with the seat portion of the shell interposed therebetween.

Images