JP7397300B2 - Vehicle seat and manufacturing method - Google Patents

Description

The present invention relates to a vehicle seat and a method of manufacturing the vehicle seat, and more particularly to a vehicle seat including two seat members connected together and a method of manufacturing the vehicle seat.

When attaching a seat cushion having an outer skin to a cushion frame, the rear end of the seat cushion is passed through a gap between the seat back and a rear pipe of the cushion frame (see Patent Document 1).

JP 2017-214067 Publication

However, the size of the gap between the seat back and the rear pipe of the cushion frame is usually narrower than the height of the rear end of the seat cushion, so when the rear end is passed through the gap, the rear end hits the rear pipe. , there was a risk that it would not pass through the gap. Therefore, when manufacturing a vehicle seat, a worker performs the insertion work while holding down the rear end to avoid bumping the rear end, resulting in a problem of reduced work efficiency.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a vehicle in which a protrusion protruding from the end of a pad can be easily inserted between a frame serving as a skeleton and a seat member. An object of the present invention is to provide a method of manufacturing a vehicle seat and a vehicle seat.

According to the vehicle seat of the present invention, the vehicle seat has two connected seat members, each of which has a pad, a skin covering the pad, and a seat covering the seat. a frame constituting a skeleton of the member, the pad of one sheet member being disposed between the frame of the one sheet member and the other sheet member in a portion connected to the other sheet member. The outer skin of the one sheet member has an extension portion extending a predetermined distance from the end to cover the surface of the protrusion on the side connected to the other sheet member, and an extension portion that grips the protrusion. This problem is solved by having a grip portion that covers the back surface of the protrusion.

According to the vehicle seat of the present invention configured as described above, the protrusion protruding from the end of the pad is covered by the extension part and the grip part. Therefore, when the protrusion is passed through the gap, the protrusion is prevented from abutting against the frame, and the protrusion can be easily inserted between the frame and the pad of another sheet member. Therefore, work efficiency when assembling a vehicle seat is improved.

Further, in the above configuration, the one seat member is a seat cushion on which an occupant sits, the other seat member is a seat back connected to a rear end portion of the seat cushion to receive the back of the occupant, and The extension portion and the grip portion may extend from a rear end portion of the outer skin of the seat cushion and cover the protrusion portion of the seat cushion.
With the above configuration, when the protruding part at the rear end of the seat cushion is passed between the frame of the seat cushion and the seat back, the protruding part is prevented from hitting the frame, for example, a pipe member, and the protruding part is connected between the frame and the seat back. Can be easily passed between cushions.

Further, in the above configuration, the thickness of the extension portion is preferably thinner than the thickness of the epidermis.
By making the thickness of the extension extending from the epidermis thinner than the thickness of the epidermis, manufacturing costs can be reduced even if the extension is made of the same material as the epidermis.

Further, in the above configuration, both sides of the extension part and both sides of the grip part are joined, the extension part and the grip part form a cylinder, and the protrusion part is formed of the cylinder. It is best to place it through the inside.
By allowing the protruding part to pass through the inside of the cylindrical body formed by the extension part and the gripping part, when the protruding part is placed between the frame and the other seat member, it is possible to suppress the protruding part from shifting in the width direction of the vehicle seat. It can be passed through easily.

Further, in the above configuration, it is preferable that the frame has a pressure receiving part that supports the pad, and an attachment part fixed to the pressure receiving part is provided at an end of the skin.
By providing a mounting portion fixed to the pressure receiving portion at the end of the skin, the pad can be easily fixed.

Further, in the above configuration, a claw portion is formed on the frame or the pressure receiving portion,
The attachment portion of the skin may be fixed by being hooked onto the claw portion.
By hooking and fixing the attachment part to the claw part, the attachment part can be easily fixed to the frame or the pressure receiving part.

Further, in the above configuration, the attachment portion may include a wire member that is hung on the plurality of claw portions formed on the frame or the pressure receiving portion.
By hanging the wire member of the attachment part on the claw part, the attachment part can be fixed easily at a lower cost than, for example, a conventional hook-shaped attachment part.

Moreover, according to the method for manufacturing a vehicle seat of the present invention, the problem is to provide a method for manufacturing a vehicle seat having two connected seat members, each of which includes a pad and a pad. The pad of one sheet member has a protruding portion in a portion connected to the other sheet member, and the pad of one sheet member has a protruding portion. The outer skin has, on the side connected to the other sheet member, an extension part that extends a predetermined distance from the end and covers the surface of the protrusion, and a grip part that grips the protrusion and covers the back surface of the protrusion. However, the problem is solved by including the step of passing the protruding part between the frame of the one sheet member and the other sheet member while the protruding part is covered by the extension part and the gripping part. be done.

According to the method for manufacturing a vehicle seat according to the present invention, the protruding part protruding from the pad is covered with the extension part and the gripping part, so that the pad is prevented from hitting the frame, and the protruding part is separated from the frame and another seat. It can be easily inserted between the parts, and workability when assembling a vehicle seat is improved.

Further, in the above method for manufacturing a vehicle seat, the frame has a pressure receiving part that supports the pad, and a mounting part provided at an end of the skin is attached to a hook formed on the frame or the pressure receiving part. The method may include a step of fixing the pad to the frame by hanging the pad on the frame.
The pad can be easily fixed to the frame by hooking the attachment part provided at the end of the skin onto the claw part formed on the frame or the pressure receiving part.

According to the vehicle seat of the present invention, the protrusion that protrudes from the end of the pad is covered by the extension and the grip. Therefore, the protrusion is prevented from abutting against the frame, and the protrusion can be easily inserted between the frame and the pad of another sheet member. Therefore, work efficiency when assembling a vehicle seat is improved.
With the above configuration, when the protruding part at the rear end of the seat cushion is passed between the frame of the seat cushion and the seat back, the protruding part is prevented from hitting the frame, for example, a pipe member, and the protruding part is connected between the frame and the seat back. Can be easily passed between cushions.
Further, by making the thickness of the extension extending from the epidermis thinner than the thickness of the epidermis, the cost can be reduced even if the extension is made of the same material as the epidermis.
In addition, since the protruding part passes through the inside of the cylindrical body by the extension part and the gripping part, the protruding part is prevented from shifting in the width direction of the vehicle seat when it is placed between the frame and the other seat member. , it becomes possible to pass through it more easily.
Further, by providing an attachment portion fixed to the pressure receiving portion at the end of the skin, the pad can be easily fixed.
Moreover, by hooking and fixing the attachment part onto the claw part, the attachment part can be easily fixed to the frame or the pressure receiving part.
In addition, by hooking the wire member of the attachment portion onto the claw portion, the attachment portion can be fixed easily at a lower cost than, for example, a conventional hook-shaped attachment portion.
Further, according to the method for manufacturing a vehicle seat according to the present invention, the protruding portion protruding from the pad is covered with the extension portion and the gripping portion, so that the pad is prevented from hitting the frame, and the protruding portion is separated from the frame. It can be easily inserted between the vehicle seat member and the seat member, improving work efficiency when assembling the vehicle seat.
Moreover, the pad can be easily fixed to the frame by hooking the attachment part provided at the end of the skin to the claw part formed on the frame or the pressure receiving part.

1 is a perspective view of a vehicle seat according to an embodiment of the present invention. FIG. 1 is a perspective view showing a frame of a vehicle seat according to an embodiment of the present invention. It is a top view of the seat cushion of a vehicle seat. It is a bottom view of the seat cushion of a vehicle seat. 2 is a sectional view taken along line VV in FIG. 1. FIG. It is a perspective view showing the rear end part of a seat cushion. It is a top view of a cushion frame. 3 is a flowchart showing a method for manufacturing a vehicle seat.

EMBODIMENT OF THE INVENTION Hereinafter, the structure of the vehicle seat based on one Embodiment (this embodiment) of this invention is demonstrated with reference to drawings. However, the embodiment described below is an example to facilitate understanding of the present invention, and does not limit the present invention. That is, the present invention may be modified and improved without departing from its spirit, and it goes without saying that the present invention includes equivalents thereof.

In addition, below, a vehicle seat will be mentioned as an example of a vehicle seat, and an example of its structure will be explained. However, the present invention is not limited to vehicle seats installed in land-based vehicles with wheels such as automobiles and trains, but can also be applied to seats installed in aircraft, ships, etc. that move other than on the ground. good.

Furthermore, in the following description, the "front-back direction" refers to the front-back direction of the vehicle seat, and is a direction that coincides with the traveling direction when the vehicle is running. Moreover, the "seat width direction" is the width direction of the vehicle seat, and is a direction that coincides with the left-right direction as seen from the occupant seated on the vehicle seat. Moreover, the "vertical direction" refers to the vertical direction of the vehicle seat, and is a direction that coincides with the vertical direction when the vehicle is traveling on a horizontal plane.
In addition, in the following explanations, when "seat" is used in various directions such as "seat width direction" and "seat height direction", it indicates the direction relative to the vehicle seat, and "vehicle inside" When a description is given with "vehicle", such as "outside the vehicle", the direction with respect to the vehicle is indicated.
Further, the shape, position, posture, etc. of each part of the vehicle seat described below will be explained assuming that the vehicle seat is in the seated state, which will be described later, unless otherwise specified.

<<Basic configuration of vehicle seat according to this embodiment>>
The basic configuration of a vehicle seat (hereinafter referred to as 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 a vehicle seat S. In FIG. 1, a part of the vehicle seat S is shown with trim covers (cushion trim cover 17, back trim cover 27) removed for convenience of illustration.

The vehicle seat S is placed on the floor of the vehicle body, and is a seat on which a vehicle occupant sits. In this embodiment, the vehicle seat S is used as a front seat corresponding to a front seat of a vehicle. However, the vehicle seat S is not limited to this, and may be the rear seat of the vehicle, or may be the middle seat in the second row or the middle seat in the third row in a vehicle equipped with three rows of seats in the front and rear direction. It can also be used as a rear seat.

As shown in FIG. 1, the vehicle seat S includes a seat cushion S1 that serves as a seating portion that supports the buttocks of a seated person, a seat back S2 that serves as a backrest portion that supports the back of the seated person, and a seat cushion S2 that is arranged on the upper part of the seat back S2. The main component is a headrest S3 that supports the head of the seated person. The seat cushion S1 corresponds to one seat member of the present invention, and the seat back S2 corresponds to the other seat member of the present invention. The seat cushion S1 and the seat back S2 are connected with a reclining mechanism 60 in between. Further, although not shown, a slide rail is installed at the lower part of the seat cushion S1, and the vehicle seat S is placed on the vehicle body floor in a state where it can slide in the front and rear directions by this slide rail.

A seat frame F shown in FIG. 2 is provided in the vehicle seat S, and the seat 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 seat frame F, and the back frame 2 forms the skeleton of the seat back S2 in the seat frame F.

The rear end of the seat cushion S1 is connected to the lower end of the seat back S2. Further, the seat cushion S1 is constructed by placing a cushion pad 16 on the cushion frame 1, and further covering the cushion pad 16 with a cushion trim cover 17. The seat back S2 is constructed by arranging a back pad 26 on the back frame 2 and further covering the back pad 26 with a back trim cover 27.

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 pad of the present invention. Further, the cushion trim cover 17 and the back trim cover 27 correspond to the outer skin of the present invention, and are made of cloth, film, cloth, leather, sheet, etc., and are stretched so as to apply a predetermined tension to the cushion. It is attached to cover the pad 16 and back pad 26.
In this embodiment, when attaching the cushion trim cover 17 to the cushion pad 16, the ends of the cushion trim cover 17 are attached to predetermined locations, and the attachment method will be described later.

In this embodiment, the cushion frame 1 has an approximately rectangular frame-like external shape, as shown in FIG. 2 . The cushion frame 1 mainly includes a pair of cushion side frames 12 forming the left and right ends in the seat width direction, a pan frame 11 forming the front end of the cushion frame 1, and a spring 14 (pressure receiving part). It is an element.

In order to define the width of the cushion frame 1, 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. A front pipe 13a connecting the two cushion side frames 12 is attached to the front end, and a rear pipe 13b is attached to the rear end.

Further, the pan frame 11 is fixedly joined to the front side of the pair of cushion side frames 12, and the left and right cushion side frames 12 are connected to the front side by the pan frame 11. More specifically, the left and right ends of the pan frame 11 are each fixed to a flange provided on the cushion side frame 12 by fixing means such as welding.

The pan frame 11 is mainly for supporting the thighs of a seated person (occupant), and is a frame made of a metal plate having a substantially rectangular shape with a substantially flat upper surface.

Between the left and right cushion side frames 12, a plurality of springs 14 (S springs) serving as pressure receiving portions are arranged side by side in the seat width direction. This spring 14 extends long in the front and back direction of the seat. The front end of the spring 14 is fixed to the front pipe 13a by an engagement hook 14c, and the rear end of the spring 14 is fixed to the rear pipe 13b by an engagement hook 14d. Further, the spring 14 is provided with a pressure receiving plate 14a.

The back frame 2 mainly consists of a pipe processed into a rectangular frame shape, and as shown in FIG. , and a lower frame 23 that connects the lower ends of the pair of backside frames 22. Further, the back frame 2 is provided with a pressure receiving plate 24 suspended on the back frame 2, and a suspension frame 25 for suspending the pressure receiving plate 24 is provided across 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. The headrest pillar 61 extending from the lower end of the headrest S3 is inserted into the headrest guide 21a, thereby attaching the headrest S3 to the seat back S2.

The constituent materials of each member constituting the cushion frame 1 include materials having sufficient rigidity so as not to be significantly deformed when subjected to a load, such as metal materials such as steel and aluminum alloy. Welding is used to join the members constituting the cushion frame 1, but bolts and adhesives may also be used in combination.

<<Cushion pad and cushion trim cover>>
Next, the configuration of the cushion pad 16 and the cushion trim cover 17 will be described with reference to FIGS. 3 to 5. In the following description, the "cushion longitudinal direction" is a direction from the front end to the rear end of the seat cushion S1, and corresponds to the longitudinal direction of the vehicle seat S. In the longitudinal direction of the cushion, the "front" refers to the side where the free end of the seat cushion S1 is located and means the side that is not connected to the seat back S2.

As described above, the cushion pad 16 is a member that is placed on the cushion frame 1 and receives the buttocks of the occupant. In the seat cushion S1, the cushion pad 16 is provided so as to surround the cushion frame 1 serving as a framework. The cushion pad 16 is covered with a cushion trim cover 17 in order to be fixed to the cushion frame 1, and then inserted into the gap V between the seat back S2 and the rear pipe 13b of the cushion frame 1 (see FIG. 5). . Therefore, the cushion pad 16 has a protrusion 16a that is inserted into the gap V at the rear end of the cushion pad 16. In other words, the cushion pad 16 is arranged between the cushion frame 1 (more specifically, the rear pipe 13b) of the seat cushion S1 and the seat back S2 at the portion where the seat cushion S1 and the seat back S2 are connected. It has a protrusion 16a.

The cushion trim cover 17 is a member that covers the cushion pad 16 of the seat cushion S1, and includes a cover body 17a and an extension portion 18. The cover main body 17a covers the upper surface, front surface, and both side surfaces of the cushion pad 16. As shown in FIG. 3, the extension part 18 is provided at the rear end of the cushion trim cover 17, more specifically at the rear end of the cover body 17a, so as to extend rearward a predetermined distance L. The extension part 18 covers the surface of the protrusion part 16a of the cushion pad 16.

When attaching the cushion pad 16 to the cushion frame 1, the extension part 18 is inserted into the gap V together with the protruding part 16a, and the part beyond the rear pipe 13b is folded back and attached to the bottom side of the cushion pad 16 (see FIG. 5). More specifically, an attachment portion 18c is provided at the tip of the extension portion 18, and is attached to a claw portion 15c formed on the pressure receiving plate 14a of the spring 14.

As shown in FIGS. 4 and 5, the cushion trim cover 17 has a grip portion 19 on the back side of the extension portion 18 that grips the protrusion portion 16a and covers the back surface of the protrusion portion 16a. The extension part 18 extends from the cover body 17a and covers the surface of the protrusion part 16a. Further, as shown in FIGS. 4 to 6, both sides of the extension part 18 and both sides of the grip part 19 are joined by sewing, and a cylinder C is formed by the extension part 18 and the grip part 19. has been done. The protrusion 16a of the cushion pad 16 is disposed through the inside of the cylinder C.

A conventional cushion trim cover is not provided with a gripping portion 19 for gripping the protrusion 16a. Therefore, when trying to pass the extension part 18 and the protrusion part 16a through the gap V, the protrusion part 16a hits the rear pipe 13b, and even if the extension part 18 is pulled, there is a possibility that the protrusion part 16a will not pass through the gap V. Therefore, when attaching the cushion pad 16, the operator presses the protrusion 16a and inserts the extension 18 and the protrusion 16a into the gap V while reducing the thickness of the protrusion 16a. Workability was low because the protrusion 16a was pressed while being inserted.

In the cushion trim cover 17 (one seat member) used in the vehicle seat S of this embodiment, the gripping portion 19 grips the protruding portion 16a and covers the back surface, so that the thickness of the protruding portion 16a is suppressed. be done. Therefore, when inserting the cushion pad 16 into the gap V, the operator can easily insert the protrusion 16a of the cushion pad 16 into the gap V beyond the rear pipe 13b by simply pulling the extension 18 without holding down the protrusion 16a. can do.
After inserting the protrusion 16a into the gap V, the operator folds back the extension 18 with the rear pipe 13b and attaches the attachment part 18c (wire member 18d) of the end 18b to the back of the pressure receiving plate 14a of the spring 14. hook part 15c. Thereby, the cushion trim cover 17 and the cushion pad 16 can be attached to the cushion frame 1.

In this embodiment, as shown in FIG. 5, the thickness T1 of the extension portion 18 is formed to be thinner than the thickness T0 of the cover body 17a. By making the thickness T1 of the extension part 18 thinner than the thickness T0 of the cover main body 17a, manufacturing costs can be reduced even when the extension part 18 is made of the same material. Further, when passing the extension part 18 through the gap V, the thinner the extension part 18, the easier it is to pass through.

Further, by forming the cylinder C by the extension part 18 and the gripping part 19 and passing the protrusion part 16a inside the cylinder C as described above, the movement of the protrusion part 16a in the sheet width direction is suppressed. , the protrusion 16a can be easily passed through the gap V without the protrusion 16a being displaced.

Attachment portions 17c for attaching the cushion trim cover 17 to the cushion frame 1 are provided at the front and left and right end portions 17b of the cushion trim cover 17, as shown in FIG. The attachment portion 17c is realized by holding the wire member 17d at the end portion 17b of the cushion trim cover 17. Then, by hooking the wire member 17d exposed from the cutout portion at the end portion 17b to the claw portions 15a and 15b provided on the pair of cushion side frames 12 and the pan frame 11, the attachment portion 17c is attached to the cushion frame 1. Fixed.

The wire member 17d is preferably a rod-shaped, linear, tubular, or other metal or resin wire. Further, the diameter of the wire member 17d is preferably 1 to 8 mm, more preferably 1.5 to 5 mm.
The attachment part 17c is formed by folding back the ends 17b of the cushion trim cover 17 and sewing them into a bag-like shape, into which the wire member 17d is passed and housed. Then, by hanging wire members 17d corresponding to the positions of claws 15a and 15b formed on the cushion side frame 12 and pan frame 11, which will be described later, a predetermined tension is applied to attach the cushion trim cover 17 to the cushion pad 16. Fixed.

As shown in FIG. 7, the cushion frame 1 is provided with a plurality of claw portions 15a and 15b for fixing the mounting portion 17c of the cushion trim cover 17 described above. In this embodiment, four claw parts 15a are formed by cutting and raising claw parts having an L-shaped cross section on the bottom surface of the pan frame 11, and a mounting part provided at the front end of the cushion trim cover 17 is provided. The portion 17c is adapted to hang thereon.

Further, two claw portions 15b having an L-shaped cross section are attached to each of the left and right cushion side frames 12 by welding. Attachment portions 17c provided at the left and right ends of the cushion trim cover 17 are adapted to hang on the claw portions 15b.
Further, a claw portion 15c is formed by cutting and raising the bottom surface of the pressure receiving plate 14a of the spring 14 provided on the cushion frame 1. A mounting portion 18c (wire member 18d) provided at the end portion 18b of the extension portion 18, which is folded back by the rear pipe 13b, is hooked onto the claw portion 15c.

The cushion pad 16 covered with the cushion trim cover 17 is placed on the cushion frame 1, and the wire members 17d and 18d provided at the ends 17b and 18b are connected to the claws 15a to 15c provided on the cushion frame 1. Since the cushion pad 16 can be fixed by hanging, the cushion pad 16 can be easily fixed to the cushion frame 1.

A method for manufacturing the vehicle seat S of this embodiment will be described using FIG. 8. It is assumed that the seat frame F shown in FIG. 2 is prepared in advance, the back pad 26 is arranged on the seat frame F, and the back trim cover 27 that covers the back pad 26 is attached (S101).

A cushion pad 16 having a protruding portion 16a at the rear end and a cushion trim cover 17 having an extension portion 18 and a grip portion 19 are prepared (S102). After turning over the cylinder C consisting of the extension part 18 and the gripping part 19 and passing the protrusion 16a through the turned-over cylinder C, the cylinder C is returned to its original position, and the projection 16a is held by the extension part 18 and the gripping part 19. Cover (S103).

The cushion pad 16 covered by the cushion trim cover 17 is placed on the cushion frame 1, and the protruding part 16a of the cushion pad 16, the extension part 18 covering the protruding part 16a, and the grip part 19 are connected to the rear pipe 13b and the seat. Pass it through between it and the bag S2 (gap V) (S104). After the protruding part 16a is sandwiched between the rear pipe 13b and the seat back S2, the extension part 18 of the cushion trim cover 17 is folded back by the rear pipe 13b, and the attachment part 18c of the extension part 18 is attached to the bottom of the pressure receiving plate 14a. Deploy.
Next, the wire members 17d and 18d of the attachment portions 17c and 18c provided at the ends of the cushion trim cover 17 are hung on the claw portions 15a to 15c provided on the cushion frame 1 and the pressure receiving plate 14a of the spring 14. The cushion pad 16 covered with the cushion trim cover 17 is attached to the cushion frame 1, and the vehicle seat S is completed. (S105)

The vehicle seat and the manufacturing method thereof according to the present embodiment have been described above with reference to the drawings. In the above embodiment, the seat cushion S1 has the protruding portion 16a passing between the seat back S2 and the cushion frame 1. However, this is just an example, and the present invention may be applied to the seat back S2. That is, a protrusion extending downward may be provided at the lower end of the back pad 26 of the seat back S2, and the protrusion may be disposed between the lower frame 23 of the back frame 2 and the seat cushion S1. The protruding part is covered by an extension part extending from the lower end of the back trim cover and a grip part, so that when inserting the protruding part of the seat back S2, there is no need to press down on the protruding part, making assembly work easier. will improve.

S Vehicle seat (vehicle seat)
S1 Seat cushion (seat member)
S2 Seat back (seat member)
S3 Headrest F Seat frame 1 Cushion frame (frame)
11 Pan frame 12 Cushion side frame 13a Front pipe 13b Rear pipe 14 Spring (pressure receiving part)
14a Pressure receiving plate 14c, 14d Engagement hooks 15a, 15b, 15c Claw portion 16 Cushion pad (pad)
16a Projection 17 Cushion trim cover (outer skin)
17a Cover body 17b End portion 17c Attachment portion 17d Wire member 18 Extension portion 18b End portion 18c Attachment portion 18d Wire member 19 Grip portion C Cylindrical body 2 Back frame (frame)
21 Upper frame 21a Headrest guide 22 Back side frame 23 Lower frame 24 Pressure receiving plate 26 Back pad 27 Back trim cover 60 Reclining mechanism 61 Headrest pillar V Gap T0, T1 Thickness

Claims (9)

A vehicle seat having two connected seat members,
Each of the two sheet members includes a pad, an outer skin covering the pad, and a frame forming a skeleton of the sheet member,
The pad of one sheet member has a protrusion disposed between the frame of the one sheet member and the other sheet member in a portion connected to the other sheet member,
The outer skin of the one sheet member includes, on the side connected to the other sheet member, an extension portion that extends a predetermined distance from the end and covers the surface of the protrusion, and a rear surface of the protrusion that grips the protrusion. A vehicle seat comprising: a grip portion that covers the vehicle seat; The one seat member is a seat cushion on which an occupant sits, and the other seat member is a seat back connected to a rear end of the seat cushion and receiving the back of the occupant,
The vehicle seat according to claim 1, wherein the extension portion and the grip portion extend from a rear end portion of the outer skin of the seat cushion and cover the protrusion portion of the seat cushion. The vehicle seat according to claim 1 or 2, wherein the thickness of the extension portion is thinner than the thickness of the skin. Both sides of the extension part and both sides of the grip part are joined, the extension part and the grip part form a cylinder, and the protrusion part is arranged to pass through the inside of the cylinder. The vehicle seat according to any one of claims 1 to 3, characterized in that: The frame has a pressure receiving part that supports the pad,
5. The vehicle seat according to claim 1, wherein an end portion of the skin is provided with a mounting portion that is fixed to the pressure receiving portion. A claw portion is formed on the frame or the pressure receiving portion,
6. The vehicle seat according to claim 5, wherein the attachment portion of the skin is fixed by hooking onto the claw portion. 7. The vehicle seat according to claim 6, wherein the attachment portion includes a wire member that is hung on the plurality of claw portions formed on the frame or the pressure receiving portion. A method for manufacturing a vehicle seat having two connected seat members, the method comprising:
The two sheet members each include a pad, a skin covering the pad, and a frame forming a skeleton of the sheet member, and the pad of one sheet member has a portion connected to the other sheet member that includes: The skin of one of the sheet members has a protrusion, and on the side connected to the other sheet member, an extension part that extends a predetermined distance from the end and covers the surface of the protrusion, and grips the protrusion. a gripping portion that covers the back surface of the protruding portion;
The method includes the step of passing the protrusion between the frame of the one sheet member and the other sheet member in a state where the protrusion is covered by the extension part and the gripping part. A method for manufacturing vehicle seats. The frame has a pressure receiving part that supports the pad,
9. The method according to claim 8, further comprising the step of fixing the pad to the frame by hooking a mounting portion provided at an end of the skin onto a claw portion formed on the frame or the pressure receiving portion. A method of manufacturing the vehicle seat described above.

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