Vehicle seat

Abstract

To provide a vehicle seat with a skin displaceably attached thereto while following a movement of a seated occupant.SOLUTION: A vehicle seat S comprises a frame F, a pad 16 provided on the frame F, and a skin 17 covering the pad 16. The skin 17 has a frame engagement member 18 engaging with the frame F at an end part of the skin 17. Engaging parts 19 are formed on the frame engagement member 18, and engaged parts 15 corresponding to the engaging parts 19 are disposed on the frame F. The frame engagement member 18 is a plate-shaped plate member attached along an end part of the skin 17, and the engaging part 19 has an opening 30A into which the engaged part is inserted. The opening 30A is formed in such a manner that a length L3 of an engaging side which engages with the engaged part 15 is larger than a length L1 of a portion of the engaged part 15 which engages with the engaging part 19.SELECTED DRAWING: Figure 8A

Description

Technical Field

[0001] The present invention relates to a vehicle seat, and more particularly to a vehicle seat having a skin that engages with a frame.

Background Art

[0002] Conventionally, a vehicle seat installed in a vehicle such as an automobile has a skin that covers a pad arranged on a frame and is fixed to the frame. A plurality of hook pieces are sewn to an end of the skin, and the skin is fixed by hanging the plurality of hook pieces on a frame or the like (see, for example, Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, when the skin covering the pad is fixed to the frame by the conventional method, since the skin is strongly fixed to the frame, for example, when a passenger sits down, the skin follows the passenger's buttocks, and a peeling force is applied to the connection portion between the skin and the frame. When the passenger moves greatly, there is a possibility that the connection portion may be damaged, and in order to weaken the force applied to the connection portion, a mounting means for the skin that follows and changes to some extent with the movement of the passenger has been desired.

[0005] The present invention has been made in view of the above problems, and an object thereof is to provide a vehicle seat having a skin that is attached so as to follow and change with the movement of a seated passenger.

Means for Solving the Problems

[0006] According to the vehicle seat of the present invention, the above problem is solved by providing a frame, a pad disposed on the frame, and a skin covering the pad. The skin has a frame engaging member that engages with the frame at an end of the skin. An engaging portion is formed in the frame engaging member, and an engaged portion corresponding to the engaging portion is provided in the frame. The frame engaging member is a plate-like member attached along an end of the skin. The engaging portion has an opening through which the engaged portion is inserted, and a length of an engaging side that engages with the engaged portion in the opening is formed to be larger than a length of a portion where the engaged portion engages with the engaging portion. The engaged portion is formed of an L-shaped hook integrally formed with the frame This is solved by the above configuration.

[0007] As described above, by making the length of the engaging side in the opening larger than the length of the portion where the engaged portion engages, that is, by forming a play portion in the opening, the skin covering the pad becomes displaceable. Even when the occupant shifts their body while sitting on the seat, the skin easily follows the shift of the body, and damage to the skin is suppressed.

[0008] Also By using an L-shaped hook as the engaged portion, each engaging portion of the frame engaging member can be easily engaged with the engaged portion, and the skin can be simply attached to the frame.

[0009] In the above vehicle seat, a plurality of the engaging portions may be formed in the frame engaging member, and a plurality of the engaged portions may be provided so as to correspond to the plurality of the engaging portions. Since a plurality of engaging portions are formed in the frame engaging member that engages with the frame, the frame engaging member can be collectively attached to the engaged portion formed in the frame. Conventionally, the hook members were attached one by one, but since they can be attached collectively, the skin can be more simply attached to the frame, and the workability when assembling the vehicle seat is improved.

[0010] In the vehicle seat described above, in the opening, the length of the engaging side that engages with the engaged portion may be 1.2 to 2.0 times the length of the portion where the engaged portion engages. By providing a play by setting the engaging side to 1.2 to 2.0 times the size of the engaged portion, the skin covering the pad is displaced more greatly, and damage to the skin and the like is suppressed.

[0011] According to the vehicle seat of the present invention, the problem is solved by providing a frame, a pad disposed on the frame, and a skin covering the pad. The skin has a frame engaging member that engages with the frame at an end of the skin. An engaging portion is formed in the frame engaging member, and an engaged portion corresponding to the engaging portion is provided in the frame. The frame engaging member is a plate-like member attached along an end of the skin. The engaging portion has an opening through which the engaged portion is inserted, and a length of an engaging side that engages with the engaged portion in the opening is formed to be larger than a length of a portion where the engaged portion engages with the engaging portion The opening is formed in a trapezoidal shape. and is solved thereby 。 By forming the opening in a trapezoidal shape, it becomes difficult for the engaged portion to come off from the opening.

[0012] According to the vehicle seat of the present invention, the problem is solved by providing a frame, a pad disposed on the frame, and a skin covering the pad. The skin has a frame engaging member that engages with the frame at an end of the skin. An engaging portion is formed in the frame engaging member, and an engaged portion corresponding to the engaging portion is provided in the frame. The frame engaging member is a plate-like member attached along an end of the skin. The engaging portion has an opening through which the engaged portion is inserted, and a length of an engaging side that engages with the engaged portion in the opening is formed to be larger than a length of a portion where the engaged portion engages with the engaging portion The opening is formed by an H-shaped or U-shaped slit. and is solved thereby 。 By forming the opening by an H-shaped or U-shaped slit, it is possible to suppress dust or dirt from entering through the opening.

[0013] According to the vehicle seat of the present invention, the problem is solved by providing a frame, a pad disposed on the frame, and a skin covering the pad. The skin has a frame engaging member that engages with the frame at an end of the skin. An engaging portion is formed in the frame engaging member, and an engaged portion corresponding to the engaging portion is provided in the frame. The frame engaging member is a plate-like member attached along an end of the skin. The engaging portion has an opening through which the engaged portion is inserted, and a length of an engaging side that engages with the engaged portion in the opening is formed to be larger than a length of a portion where the engaged portion engages with the engaging portion The opening is formed by a notch formed in the frame engaging member and an end portion of the skin that closes the opening of the notch. and is solved thereby 。 By forming the opening by cutting out a plate member and forming the opening of the notch at the end portion of the skin, the opening can be easily formed.

[0014] According to the vehicle seat of the present invention, the above problem is solved by providing a frame, a pad disposed on the frame, and a skin covering the pad. The skin has a frame engaging member that engages with the frame at an end of the skin. An engaging portion is formed in the frame engaging member, and a engaged portion corresponding to the engaging portion is provided in the frame. The frame engaging member is a plate-like member attached along an end of the skin. The engaging portion has an opening through which the engaged portion is inserted, and a length of an engaging side that engages with the engaged portion in the opening is formed to be larger than a length of a portion where the engaged portion engages with the engaging portion. A constriction portion that protrudes toward the inside of the opening is provided on a side portion of the opening. which is solved by 。 By providing a constriction portion that protrudes inward on the side portion of the opening, it becomes difficult for the engaged portion inserted into the opening to come out.

[0015] In the vehicle seat described above, the opening may be an elongated hole that extends along an end portion of the skin. Since the opening is an elongated hole, it becomes difficult for the engaged portion inserted into the opening to come out.

[0016] According to the vehicle seat of the present invention, the above problem is solved by providing a frame, a pad disposed on the frame, and a skin covering the pad. The skin has a frame engaging member that engages with the frame at an end of the skin. An engaging portion is formed in the frame engaging member, and a engaged portion corresponding to the engaging portion is provided in the frame. The frame engaging member is a plate-like member attached along an end of the skin. The engaging portion has an opening through which the engaged portion is inserted, and a length of an engaging side that engages with the engaged portion in the opening is formed to be larger than a length of a portion where the engaged portion engages with the engaging portion. The engaged portion is inserted into the opening from the surface side of the frame engaging member. In a state where the engaging portion and the engaged portion are engaged, the skin is folded back at the connection portion with the frame engaging member and is arranged to cover the engaged portion with the skin. which is solved by 。 By covering the engaged portion with the skin, the engaged portion is not exposed and not visible from the outside, improving the design property.

Advantages of the Invention

[0017] According to the vehicle seat of the present invention, by making the length of the engaging side at the opening larger than the length of the portion where the engaged portion engages, that is, by forming a play portion at the opening, the skin covering the pad can be displaced. Even when the occupant shifts the body while sitting on the seat, the skin easily follows the shift of the body, suppressing damage to the skin and the like. Further, by making the engaged portion an L-shaped hook, it becomes easier to engage each engaging portion of the frame engaging member with the engaged portion, and the skin can be simply attached to the frame. Further, since a plurality of engaging portions are formed on the frame engaging member that engages with the frame, the frame engaging member can be collectively attached to the engaged portion formed on the frame. Conventionally, the hook members were attached one by one, but since they can be attached collectively, the skin can be attached to the frame more simply, improving the workability when assembling the vehicle seat. Further, by providing a play by making the engaging side 1.2 to 2.0 times the size of the engaged portion, the skin covering the pad can shift more greatly, suppressing damage to the skin and the like. Further, by forming the opening in a trapezoidal shape, it becomes difficult for the engaged portion to come off from the opening. Further, by forming the opening by an H-shaped or U-shaped slit, it is possible to suppress dust or dirt from entering through the opening. Further, the opening can be easily formed by forming the opening by cutting out a plate member and forming the opening of the cutout at the end of the skin. Further, by providing a constriction portion that protrudes inwardly on the side portion of the opening, the engaged portion inserted into the opening is less likely to come off. Further, since the opening is formed by an elongated hole, the engaged portion inserted into the opening is less likely to come off. Further, by covering the engaged portion with the skin, the engaged portion is not exposed and thus not visible from the outside, improving the design.

Brief Description of the Drawings

[0018]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7A

Figure 7B

Figure 8A

Figure 8B

Figure 9A

Figure 9B

Figure 9C

Figure 9D

Figure 9E

Figure 9F

Figure 10A

Figure 10B

Figure 11

Figure 12

Mode for Carrying Out the Invention

[0019] Hereinafter, the configuration of a vehicle seat according to an embodiment (this embodiment) of the present invention will be described with reference to the drawings. However, the embodiment described below is an example for facilitating the understanding of the present invention and does not limit the present invention. That is, the present invention can be changed and improved without departing from the gist thereof, and it goes without saying that the present invention includes equivalents thereof.

[0020] In the following, a vehicle seat will be cited as an example of a vehicle seat, and a configuration example thereof will be described. However, the present invention is not limited to a vehicle seat mounted on a ground vehicle having wheels such as an automobile or a railway, and may be a seat mounted on an aircraft or a ship that moves other than on the ground.

[0021] In the following description, the "front-rear direction" is the front-rear direction of the vehicle seat and coincides with the traveling direction when the vehicle is running. Also, the "seat width direction" is the width direction of the vehicle seat and coincides with the left-right direction as seen from the occupant sitting on the vehicle seat. Also, the "vertical direction" is the vertical direction of the vehicle seat and coincides with the vertical direction when the vehicle is running on a horizontal plane. In the following description, when various directions are described with "seat" attached, such as "seat width direction" and "seat height direction", it indicates the direction with respect to the vehicle seat, and when "vehicle" is attached, such as "inside the vehicle" and "outside the vehicle", it indicates the direction with respect to the vehicle. In addition, regarding the shape, position, posture, etc. of each part of the vehicle seat described below, unless otherwise specified, the description will be made assuming that the vehicle seat is in the sitting state described later.

[0022] <Basic Configuration of Vehicle Seat> The basic configuration of the vehicle seat S according to the present embodiment will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view of the vehicle seat S. In FIG. 1, for the convenience of illustration, a part of the vehicle seat S is shown with the trim covers 17 and 27, which are the outer skins, removed.

[0023] The vehicle seat S is a seat placed on the vehicle body floor on which the vehicle occupants sit. In the present embodiment, the vehicle seat S is used as a front seat corresponding to the front seat of the vehicle. However, it is not limited thereto, and the vehicle seat S may be a rear seat of the vehicle, or may also be used as the middle seat in the second row or the rear seat in the third row in a vehicle equipped with three rows of seats in the front-rear direction.

[0024] As shown in FIG. 1, the vehicle seat S mainly includes a seat cushion S1 that serves as a seating portion for supporting the buttocks of the seated person, a seat back S2 that serves as a backrest portion for supporting the back of the seated person, and a headrest S3 arranged above the seat back S2 for supporting the head of the seated person. The seat cushion S1 and the seat back S2 are connected with the reclining mechanism 60 (see FIG. 2) interposed therebetween. Although not shown, a slide rail is installed at the lower part of the seat cushion S1, and by this slide rail, the vehicle seat S is placed on the vehicle body floor in a state where it can slide in the front-rear direction.

[0025] A frame F is provided in the vehicle seat S as shown in FIG. 2, and the frame F is mainly composed of a cushion frame 1 and a back frame 2. The cushion frame 1 forms the skeleton of the seat cushion S1 in the frame F, and the back frame 2 forms the skeleton of the seat back S2 in the frame F.

[0026] The seat cushion S1 has its rear end connected to the lower end of the seat back S2. The seat cushion S1 is configured by arranging a cushion pad 16 on a cushion frame 1 and further covering the cushion pad 16 with a trim cover 17 for the cushion. The seat back S2 is configured by arranging a back pad 26 on a back frame 2 and further covering the back pad 26 with a trim cover 27 for the back.

[0027] The cushion pad 16 and the back pad 26 are urethane base materials formed by foam molding using, for example, a urethane foaming agent. The cushion pad 16 and the back pad 26 correspond to the pads of the present invention. Also, the trim cover 17 for the cushion and the trim cover 27 for the back correspond to the outer skin of the present invention and are composed of cloth, film, cloth, leather, sheet, etc. Further, the trim covers 17, 27 are attached so as to cover the cushion pad 16 and the back pad 26 in a state of being stretched so that a predetermined tension is applied. When covering the cushion pad 16 with the trim cover 17 for the cushion in the present embodiment, the end portion of the trim cover 17 is attached to a predetermined location, and the attachment method will be described later.

[0028] As shown in FIG. 2, the cushion frame 1 of the frame F has an outer shape of a substantially square frame. The cushion frame 1 mainly includes a pair of cushion side frames 12 that respectively constitute the left and right ends in the seat width direction, a pan frame 11 that constitutes the front end portion of the cushion frame 1, and a spring 14 (S spring).

[0029] The two cushion side frames 12 are arranged so as to be spaced apart in the left - right direction and extend in the front - rear direction of the vehicle in order to define the width of the cushion frame 1. A front pipe 13a for connecting the two cushion side frames 12 is attached to the front end portion, and a rear pipe 13b is attached to the rear end portion.

[0030] The pan frame 11 is fixedly joined to the front sides of a pair of cushion side frames 12, and the left and right cushion side frames 12 are connected at the front side by the pan frame 11. More specifically, the left and right ends of the pan frame 11 are respectively fixed to flanges provided on the cushion side frames 12 by fixing means such as welding. The pan frame 11 is mainly for supporting the thighs of the seated person (occupant), and is a frame formed from a metal plate material whose upper surface is formed in a substantially rectangular shape that is substantially flat.

[0031] Between the left and right cushion side frames 12, a plurality of springs 14 (S springs) as pressure-receiving parts are arranged side by side in the seat width direction. This spring 14 extends long in the seat front-rear direction. The front end of the spring 14 is fixed to the front pipe 13a, and the rear end of the spring 14 is fastened to the rear pipe 13b. Also, a pressure-receiving plate 14a is provided on the spring 14.

[0032] <Engaged part> On the lower surface of the pan frame 11, a plurality of hooks 15a (engaged parts) for attaching the end of the trim cover 17 are formed. The hook 15a is formed with an L-shaped cross section and is provided by raising a part of the pan frame 11.

[0033] On each of the left and right cushion side frames 12, a plurality of hooks 15b (engaged parts) for attaching the end of the trim cover 17 are also formed. The cross section of the hook 15b is formed in an inverted L shape as shown in Figure 2, and is provided by raising a part of the cushion side frame 12.

[0034] On the lower surface of the pressure-receiving plate 14a as well, a plurality of hooks 15c (engaged portions) for attaching the ends of the trim cover 17 are formed, similar to the cushion side frame 12 and the pan frame 11. The hook 15c is formed with an L-shaped cross section and is provided by raising a part of the pressure-receiving plate 14a. In the following description, when there is no particular need to distinguish between the hooks 15a to 15c provided on the cushion side frame 12, the pan frame 11, and the pressure-receiving plate 14a, they may simply be referred to as hooks 15.

[0035] <Back frame> The back frame 2 mainly consists of a pipe processed into a rectangular frame shape. As shown in FIG. 2, the back frame 2 includes an inverted U-shaped upper frame 21, a pair of back side frames 22 forming the left and right ends in the seat width direction, and a lower frame 23 connecting the lower ends of the pair of back side frames 22. Further, a pressure-receiving plate 24 suspended from the back frame 2 is provided on the back frame 2, and a suspension frame 25 for suspending the pressure-receiving plate 24 is provided so as to span the left and right back side frames 22. A cylindrical headrest guide 21a is attached to the center of the upper end of the back frame 2. By inserting a headrest pillar 61 extending from the lower end of the headrest S3 into this headrest guide 21a, the headrest S3 is attached to the seat back S2.

[0036] As the constituent materials of the respective members constituting the cushion frame 1 and the back frame 2, materials having sufficient rigidity so as not to deform significantly when receiving a load, for example, metal materials such as steel materials and aluminum alloys can be mentioned. The joining means between the respective members constituting the cushion frame 1 and the back frame 2 is welding, but as the joining means, joining by bolts and adhesives may be used in combination.

[0037] <Cushion trim cover> Next, the configuration of the trim cover 17 for the cushion will be described with reference to FIGS. 3 to 6. The trim cover 17 is a member that covers the cushion pad 16 of the seat cushion S1, and has a cover main body 17a and an extension portion 17b. The cover main body 17a covers the upper surface, front surface, and both side surfaces of the cushion pad 16. The extension portion 17b is a portion extending from the rear end portion of the cover main body 17a as shown in FIG. 4, and as shown in FIG. 6, covers the surface of the protruding portion 16a that protrudes rearward from the cushion pad 16. Note that the protruding portion 16a of the cushion pad 16 is a portion that is inserted into the gap V between the seat back S2 and the rear pipe 13b of the cushion frame 1.

[0038] <Frame engaging member> At the end of the trim cover 17, a frame engaging member 18 that engages with a hook 15 (engaged portion) provided on the cushion frame 1 is provided. Further, a plurality of engaging portions 19 are formed on the frame engaging member 18. On the cushion frame 1, a plurality of hooks 15, which are the engaged portions of the present invention, are provided corresponding to the positions where the engaging portions 19 are arranged. A plurality of engaging portions 19 may be formed on the frame engaging member 18 so as to correspond to the positions provided on the cushion frame 1.

[0039] As shown in FIGS. 3 and 4, the frame engaging member 18 is a plate-like plate member attached along the end of the cover main body 17a of the trim cover 17. The frame engaging member 18 is attached by sewing at the end of the cover main body 17a. The frame engaging member 18 is also attached by sewing to the tip of the extension portion 17b of the trim cover 17.

[0040] The plate-like frame engaging member 18 is formed of a hard synthetic resin, for example, a polypropylene resin or a vinyl chloride resin. The frame engaging member 18 may be made of a metal such as iron or aluminum. Further, the thickness of the frame engaging member 18 is preferably 1 to 8 mm, and more preferably 1.5 to 5 mm. The frame engaging member 18 and the frame engaging member 18 are attached by sewing, but they may be joined with an adhesive. Further, the tip portion of the frame engaging member 18 that engages with the hook 15 may be formed thicker than other portions. By making the tip portion thicker, the strength is increased and breakage is suppressed.

[0041] In the present embodiment, as shown in FIGS. 4 and 7A, each engaging portion 19 of the frame engaging member 18 is provided with a penetrating opening 30. The size L2 in the width direction of the lower side 30b of the opening 30 that engages with the hook 15 is formed to be approximately the same size as the width L1 of the hook 15. When assembling, for example, after arranging the cushion pad 16 on the cushion frame 1, covering it with the trim cover 17, the frame engaging member 18 in front of the cushion is hooked on the hook 15a of the pan frame 11. Next, as shown in FIG. 5, the frame engaging member 18 is hooked on the hook 15b of the cushion side frame 12.

[0042] Regarding the extension portion 17b of the trim cover 17, as shown in FIG. 6, it is inserted into the gap V together with the protruding portion 16a of the cushion pad 16, and then the extension portion 17b is folded back, and the frame engaging member 18 provided at the end of the extension portion 17b is attached to the hook 15c of the pressure receiving plate 14a of the frame F. In this way, the trim cover 17 is attached to the cushion frame 1. Conventionally, it was attached one by one to a plurality of hooks 15 using J-hooks or the like, but since the frame engaging member 18 having a plurality of engaging portions 19 can be hooked on a plurality of hooks 15 at once, it becomes possible to easily attach the trim cover 17 to the frame F.

[0043] <Shape of the engaging portion> The shape of the opening 30 formed in the engaging portion 19 will be described with reference to FIGS. 7A to 9F. As shown in Fig. 7A, an opening 30 is formed as a horizontally long through-hole in each engaging portion 19 of the frame engaging member 18. Based on the direction shown in the figure, the lengths of the upper side 30a and the lower side 30b (engaging sides) of the opening 30 are substantially the same as the length L2 in the width direction of the hook 15. Both side portions of the engaging portion 19 are formed to draw a curve. Therefore, the central portion is slightly swollen in the vertical direction, and the hook 15 can be easily inserted. Depending on the location where the hook 15 is arranged (for example, the hook 15a of the pamphlet frame 11), the upper side 30a is the front side and the lower side 30b is the rear side.

[0044] <Another example of the engaging portion> Figs. 8A and 8B show an opening 30A which is another example of the opening 30. The opening 30A shown in Fig. 8A is also a horizontally long through-hole formed in each engaging portion 19 of the frame engaging member 18. Based on the direction shown in the figure, in the opening 30A, the length L2 of the upper side 30Aa is substantially the same as the length L1 in the width direction of the hook 15. On the other hand, the length L3 of the lower engaging side (lower side 30Ab) where the hook 15 directly engages is formed to be larger than the length L1 of the portion where the hook 15 engages. In other words, the opening 30A is formed in a trapezoidal shape that partially protrudes in the direction along the end of the trim cover 17 (direction of arrow A). Since the lower side 30Ab of the opening is larger than the length L1 in the width direction of the hook 15, a so-called play portion is formed. The play portion is formed on either one of the portions where the hook 15 engages as shown in Fig. 8A. The play portion may be provided on both sides. The presence of the play portion has the following effects.

[0045] When an occupant sits on the seat cushion S1, as shown in FIG. 7B, the trim cover 17 may be pulled upward following the occupant's buttocks. As shown in FIG. 7A, when an opening 30 into which the hook 15 is inserted is formed without providing a play portion, even when pulled, the displacement amount C1 of the frame engaging member 18 is small, and the trim cover 17 does not shift significantly. Therefore, if a stronger force is applied to the trim cover 17, there is a possibility that the connection portion 31 between the trim cover 17 and the frame engaging member 18 may be damaged.

[0046] If there is a play portion like the opening 30A shown in FIG. 8A, when the trim cover 17 is pulled upward as shown in FIG. 8B, the trim cover 17 and the frame engaging member 18 shift more greatly compared to the case shown in FIG. 7B. Since the displacement amount C2 is large, the force applied to the connection portion 31 between the trim cover 17 and the frame engaging member 18 is weakened, and breakage can be suppressed. The size of the length L3 of the engaging side including the play portion is set according to the size of the desired displacement amount C2, but it is preferably about 1.2 to 2.0 times the length L1 in the width direction of the hook 15, and more preferably about 1.5 times.

[0047] <Modification example of the opening> A modification example of the opening 30 formed in the engaging portion 19 will be described with reference to FIGS. 9A to 9F. The opening 30C shown in FIG. 9A is formed by an H-shaped slit 32. The tongue piece 33 formed by the slit 32 is bent when the hook 15 is inserted, and the hook 15 can be inserted into and engaged with the opening 30C.

[0048] Also, the opening 30D shown in FIG. 9B is formed by a U-shaped slit 32A. FIG. 9C shows a cross-section taken along the line A-A of FIG. 9B. When the hook 15 is inserted into the opening 30D, as shown in FIG. 9C, the tongue piece 33A is bent, and the hook 15 engages with the opening 33D. By forming a through-hole by a slit like the openings 30C and 30D, it becomes difficult for the hook 15 to come off, and the intrusion of dust, dirt, etc. from the openings 30C and 30D is suppressed.

[0049] The opening 30E formed in FIG. 9D is formed by a notch 34 formed in the frame engagement member 18 and an end portion of the trim cover 17. The opening of the notch 34 is blocked by the end portion of the trim cover 17. Thus, it is sufficient that a portion into which the hook 15 can be inserted is formed in the opening 30E, and the engaging portion can be formed more simply. Also, as shown in FIG. 9E, the opening 30F may be formed by an elongated hole 35 extending along the end portion of the trim cover 17. Since the vertical movement of the hook 15 inserted into the elongated hole 35 is suppressed, it is difficult to come off.

[0050] Also, as shown in FIG. 9F, throttle portions 36 protruding inward of the opening 30G may be provided on both sides of the opening 30G. The throttle portion 36 is formed closer to the lower side 30Gb where the hook 15 is applied, slightly below the vertical center of the opening 30G. In the opening 30G, a wide portion (wide portion 37) and a narrow portion (narrow portion 38) are formed. By inserting the hook 15 in the wide portion 37 and inserting the hook 15 into the narrow portion 38 beyond the throttle portion 36, an opening 30G from which the hook 15 is difficult to come off can be realized.

[0051] <Method of attaching the frame engagement member> With reference to FIGS. 10A and 10B, a method of attaching the frame engagement member 18 to the hook 15 will be described. FIG. 10A is a diagram showing a method of inserting and attaching the hook 15 into the opening 30 from the back side 17d of the trim cover 17 (more specifically, the back side 18b of the frame engagement member 18). As shown in FIG. 10A, when the hook 15 is inserted from the back side 17d, the hook 15 is exposed. Although the attachment of the frame engagement member 18 is easy, there is a problem that the hook 15 can be seen from the outside.

[0052] Therefore, in the mounting method shown in FIG. 10B, the hook 15 is covered by the trim cover 17 and is mounted so that the hook 15 is not exposed to the outside. In the opening 30, the hook 15 is inserted from the surface side 17c of the trim cover 17 (more specifically, the surface side 18a of the frame engagement member 18), and in a state where the hook 15 (engaged portion) is engaged with the engagement portion 19, at the connection portion 31 with the frame engagement member 18, the trim cover 17 is folded back to the opposite side. By folding back the trim cover 17, the trim cover 17 covers the hook 15 as shown in FIG. 10B.

[0053] With reference to FIG. 11, a manufacturing method of the vehicle seat S including the mounting method of the frame engagement member 18 shown in FIG. 10B will be described. The frame F shown in FIG. 2 is prepared in advance, the back pad 26 is arranged on the frame F, and it is assumed that the back trim cover 27 covering the back pad 26 is attached. Then, the cushion pad 16 and the trim cover 17 constituting the seat cushion S1 are prepared (step S101).

[0054] The cushion pad 16 is arranged on the frame F, and the cushion pad 16 is covered with the trim cover 17 (step S102). Then, the hook 15 provided on the frame F is inserted into the engagement portion 19 (more specifically, the opening 30) of the frame engagement member 18 provided at the end of the trim cover 17 from the surface side 18a (skin side) of the frame engagement member 18, and the engagement portion 19 and the hook 15 are engaged (step S103). After engaging the hook 15 with the engagement portion 19, the end of the trim cover 17 is folded back at the connection portion 31 with the frame engagement member 18, and the trim cover 17 is arranged so as to cover the hook 15 with the trim cover 17 (step S104). By hanging the frame engagement member 18 on the hook 15, a predetermined tension is applied, and the trim cover 17 is attached to the cushion pad 16. In addition, by attaching the frame engagement member 18 to the hook 15 in this way, the hook 15 is not exposed and not visible from the outside, and the design property of the vehicle seat S is improved.

[0055] <Another example of the frame engagement member> At the end of the trim cover 17 for the cushion shown in FIG. 4, a plate-like plate member is attached as the frame engagement member 18. The frame engagement member 18 is not limited to a plate shape, and may be realized by a linear wire member 39 as shown in the frame engagement member 18A in FIG. 11, for example. The wire member 39 is attached along the end of the trim cover 17.

[0056] The wire member 39 is passed through and stored in a bag formed by folding back and sewing the end of the trim cover 17. Then, a part of the trim cover 17 is cut out to expose a part of the wire member 39 as the engaging portion 19A. The exposed wire member 39 (engaging portion 19A) is hooked on the hook 15. By applying a predetermined tension, the trim cover 17 for the cushion is fixed to the cushion pad 16.

[0057] It is preferable to use a metal or resin wire such as a rod shape, a linear shape, or a tubular shape for the wire member 39. Further, the diameter of the wire member 39 is preferably 1 to 8 mm, and more preferably 1.5 to 5 mm.

[0058] As described above, the vehicle seat according to the present embodiment and its manufacturing method have been described with reference to the drawings. In the above example, the trim cover 17 used for the seat cushion S1 has been described as an example, but this is just an example, and the present invention may be applied to the seat back S2. That is, a frame engagement member may be provided and attached to the trim cover 27 for the back pad that covers the back pad 26 of the seat back S2. Since a plurality of engaging portions corresponding to the hooks provided on the back frame 2 can be assembled together, the workability when assembling the back pad 26 is improved.

Description of reference numerals

[0059] S Vehicle seat (automobile seat) S1 Seat cushion S2 Seat back S3 Headrest F Frame 1 Cushion Frame (Frame) 2 Back Frame (Frame) 11 Pan Frame 12 Cushion Side Frame 13a Front Pipe 13b Rear Pipe 14 Spring 14a Pressure-Receiving Plate 15, 15a, 15b, 15c Hook (Engaged Portion) 16 Cushion Pad (Pad) 16a Protrusion 17 Trim Cover (Skin) 17a Cover Body 17b Extension 17c Front Side 17d Rear Side 18, 18A Frame Engagement Member 18a Front Side 18b Rear Side 19, 19A Engagement Portion 21 Upper Frame 21a Headrest Guide 22 Back Side Frame 23 Lower Frame 24 Pressure-Receiving Plate 26 Back Pad 27 Trim Cover 30, 30A~30G Opening 31 Connection Portion 32 Slit 33 Tongue Piece 34 Notch 35 Elongated Hole 36 Throttle Portion 37 Wide Portion 38 Narrow Portion 39 Wire Member 60 Reclining Mechanism 61 Headrest Pillar

Claims

1. A vehicle seat comprising a frame, a pad disposed on the frame, and a skin covering the pad, wherein the skin has a frame engaging member that engages with the frame at an end of the skin, an engaging portion is formed in the frame engaging member, an engaged portion corresponding to the engaging portion is provided in the frame, the frame engaging member is a plate-like member attached along an end of the skin, the engaging portion has an opening through which the engaged portion is inserted, a length of an engaging side that engages with the engaged portion in the opening is formed to be larger than a length of a portion where the engaged portion engages with the engaging portion, the engaged portion is an L-shaped hook integrally formed with the frame, characterized in that it is a vehicle seat.

2. a plurality of the engaging portions are formed in the frame engaging member, a plurality of the engaged portions are provided so as to correspond to the plurality of the engaging portions, characterized in that it is the vehicle seat according to claim 1.

3. In the opening, the length of the engaging side that engages with the engaged portion is 1.2 times to 2.0 times the length of the portion where the engaged portion engages, characterized in that it is the vehicle seat according to claim 1 or 2.

4. the opening is an elongated hole extending along an end of the skin, characterized in that it is the vehicle seat according to any one of claims 1 to 3.

5. A vehicle seat comprising a frame, a pad disposed on the frame, and a skin covering the pad, wherein the skin has a frame engaging member that engages with the frame at an end of the skin, an engaging portion is formed in the frame engaging member, an engaged portion corresponding to the engaging portion is provided in the frame, The frame engaging member is a plate-like member attached along the end of the skin. The engaging portion has an opening through which the engaged portion is inserted. The length of the engaging side that engages with the engaged portion in the opening is formed to be larger than the length of the portion where the engaged portion engages with the engaging portion. The opening is formed in a trapezoidal shape, and the seat for a vehicle is characterized by this.

6. A vehicle seat including a frame, a pad disposed on the frame, and a skin covering the pad. The skin has a frame engaging member that engages with the frame at the end of the skin. An engaging portion is formed in the frame engaging member. A portion corresponding to the engaging portion is provided on the frame. The frame engaging member is a plate-like member attached along the end of the skin. The engaging portion has an opening through which the engaged portion is inserted. The length of the engaging side that engages with the engaged portion in the opening is formed to be larger than the length of the portion where the engaged portion engages with the engaging portion. The opening is formed by an H-shaped or U-shaped slit, and the seat for a vehicle is characterized by this.

7. A vehicle seat including a frame, a pad disposed on the frame, and a skin covering the pad. The skin has a frame engaging member that engages with the frame at the end of the skin. An engaging portion is formed in the frame engaging member. A portion corresponding to the engaging portion is provided on the frame. The frame engaging member is a plate-like member attached along the end of the skin. The engaging portion has an opening through which the engaged portion is inserted. The length of the engaging side that engages with the engaged portion at the opening is formed to be larger than the length of the portion where the engaged portion engages with the engaging portion. The opening is formed by a notch formed in the frame engaging member and an end portion of the skin that closes the opening of the notch. A vehicle seat characterized by this. **Claim 8**: A vehicle seat comprising a frame, a pad disposed on the frame, and a skin covering the pad. The skin has a frame engaging member that engages with the frame at an end portion of the skin. An engaging portion is formed in the frame engaging member. An engaged portion corresponding to the engaging portion is provided on the frame. The frame engaging member is a plate-like member attached along an end portion of the skin. The engaging portion has an opening through which the engaged portion is inserted. The length of the engaging side that engages with the engaged portion at the opening is formed to be larger than the length of the portion where the engaged portion engages with the engaging portion. A constriction portion protruding toward the inside of the opening is provided on a side portion of the opening. A vehicle seat characterized by this. **Claim 9**: A vehicle seat comprising a frame, a pad disposed on the frame, and a skin covering the pad. The skin has a frame engaging member that engages with the frame at an end portion of the skin. An engaging portion is formed in the frame engaging member. An engaged portion corresponding to the engaging portion is provided on the frame. The frame engaging member is a plate-like member attached along an end portion of the skin. The engaging portion has an opening through which the engaged portion is inserted. The length of the engaging side that engages with the engaged portion at the opening is formed to be larger than the length of the portion where the engaged portion engages with the engaging portion. The engaged portion is inserted into the opening from the surface side of the frame engaging member, In a state where the engaging portion and the engaged portion are engaged, the skin is folded back at a connection portion with the frame engaging member and is arranged to cover the engaged portion with the skin. A vehicle seat characterized by this.

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