JP2022051709A - Seat for vehicle - Google Patents

Abstract

To provide a seat for a vehicle, which includes structure supporting a reclining cover and receives load input against the reclining cover when having, as well as, not having an electric mechanism.SOLUTION: A seat SA for a vehicle comprises: a seat cushion 2; a seat cushion frame 20 which composes a skeleton of the seat cushion 2 and includes a cushion side frame 21; a reclining mechanism 7 which is provided on a rear end part of the seat cushion 2; a reclining cover 50 which covers an end part of the reclining mechanism 7 and side parts of the cushion side frame 21; and a base cover 60 which can be attached to the cushion side frame 21, covering a functional component, and fixes the reclining cover 50 to the cushion frame 21 between the reclining cover 50 and the cushion side frame 21, and supports input load against the reclining cover 50 by the cushion side frame 21.SELECTED DRAWING: Figure 3

Description

The present invention relates to a vehicle seat, and more particularly to a vehicle seat having a reclining cover provided on a seat cushion frame.

Conventionally, the reclining cover covering the reclining mechanism has been attached to the vehicle seat by supporting the reinforcing wire frame extending along the end of the reclining cover by a bracket fixed to the cushion side frame. However, in this mounting structure, since a bracket, a reinforcing wire frame, or the like is used for mounting the reclining cover, there is a problem that the number of parts increases and the assembly process becomes complicated.

Further, Patent Document 1 discloses a structure in which a reclining cover (referred to as a seat side garnish in Patent Document 1) is supported by a metal bracket bent in a crank shape.

Jikkenhei 2-445534 Gazette

In recent years, an electric mechanism that automatically moves the seat cushion or seat back using a motor or the like has come to be mounted on the vehicle seat, and the switching unit or the like (functional part) that operates the electric mechanism is inside the reclining cover. It has become necessary to place it in. However, in the support structure using the bracket disclosed in Patent Document 1, it is difficult to arrange the switching unit or the like in the reclining cover.

Therefore, the reclining cover is still supported and attached to the reclining cover both when the vehicle is provided with an electric mechanism having functional parts such as a switching unit (power specification) and when there is no electric mechanism (manual specification). There is a demand for a structure that can receive load input.

The present invention has been made in view of the above problems, and an object thereof is to support a reclining cover and receive a load input to the reclining cover both in the case of having an electric mechanism and in the case of not having an electric mechanism. The purpose is to provide a vehicle seat having a structure.

The subject is a seat cushion, a seat cushion frame forming a skeleton of the seat cushion and having a pair of cushion side frames, a reclining mechanism provided at a rear end portion of the seat cushion, and an end portion of the reclining mechanism. A reclining cover that covers one side of the pair of cushion side frames and a base cover that covers functional parts and can be attached to the cushion side frame, and is between the reclining cover and the cushion side frame. The problem is solved by providing a base cover for fixing the reclining cover to the cushion side frame and supporting the input load to the reclining cover by the cushion side frame.

According to the above-mentioned vehicle seat, the reclining cover is fixed to the cushion side frame by the base cover that covers the functional parts and can be attached to the cushion side frame, and the input load to the reclining cover is supported by the cushion side frame. Therefore, parts such as the reinforcing wire frame and the bracket can be eliminated to facilitate the mounting. In addition, by using a base cover that fixes the reclining cover, it is for vehicles that have a structure that supports the reclining cover and receives the load input to the reclining cover both when it has an electric mechanism and when it does not have an electric mechanism. Sheets can be provided.

Further, in the above-mentioned vehicle seat, the reclining cover has a support portion having a groove formed inside the upper portion, and the base cover has a flange portion extending in the front-rear direction of the seat at the upper portion, and the flange portion has the flange portion. It may be fixed to the cushion side frame by being inserted into the groove formed in the support portion of the reclining cover.
By inserting the flange portion extending in the front-rear direction into the groove portion of the reclining cover, the position of the reclining cover can be stably regulated.

Further, in the vehicle seat, the base cover may have a crank-shaped cross section including a flange portion that supports the reclining cover and a fixed portion that is attached to the cushion side frame.
By forming the cross section of the base cover in a crank shape, the rigidity of the base cover is improved. Further, a space is created between the reclining cover and the reclining cover, and for example, a switching unit or the like can be arranged in the space as a functional component.

Further, in the vehicle seat, the base cover has a boss formed on the inner side surface, and the cushion side frame has a through hole formed at a position corresponding to the boss, and the base cover is said to have a through hole. By inserting the boss into the through hole of the cushion side frame, the positions of the base cover in the front-rear direction and the vertical direction with respect to the cushion side frame may be restricted.
By inserting the boss into the through hole, the base cover can be easily attached to the cushion side frame.

Further, in the above-mentioned vehicle seat, the base cover has a tapping fixing portion fixed by screwing to the cushion side frame and an engaging claw portion fixed by engaging the claw portion. It is preferable that the tapping fixing portion and the engaging claw portion are arranged so as to overlap each other in the front-rear direction.
By arranging the tapping fixing portion and the engaging claw portion so as to overlap each other in the front-rear direction, the base cover can be more firmly fixed to the cushion side frame.

Further, in the vehicle seat, it is preferable to have an inner cover between the base cover and the reclining cover, and the inner cover is fixed to the outer side surface of the base cover.
By fixing the inner cover to the outer side surface of the base cover, the rigidity of the base cover is improved, and the load input can be received more stably.

Further, in the above-mentioned vehicle seat, the base cover and the inner cover may be engaged with each other by resin claws.
By engaging the base cover and the inner cover with the resin claws, it becomes easy to assemble with a simple structure.

Further, in the above-mentioned vehicle seat, a switching unit may be provided as the functional component, and the switching unit may be arranged between the inner cover and the reclining cover and fixed to the inner cover.
By fixing the switching unit to the inner cover, the switching unit is protected against external load input.

Further, in the vehicle seat, the switching unit may be located inside the base cover in a side view, and may be arranged so as to overlap the fixed position where the base cover is fixed to the cushion side frame.
By locating the switching unit inside the base cover and overlapping the fixed position of the base cover, the switching unit is more protected against external load input.

Further, in the above-mentioned vehicle seat, the reclining cover may be fixed by hooking a fixing claw provided at the front end portion of the reclining cover to the base cover.
By hooking the fixing claws provided on the front end portion of the reclining cover to the base cover, it is possible to ensure the position regulation on the front side of the reclining cover.

According to the vehicle seat of the present invention, the reclining cover is fixed to the cushion side frame by the base cover that covers the functional parts and can be attached to the cushion side frame, and the input load to the reclining cover is supported by the cushion side frame. Therefore, parts such as the reinforcing wire frame and the bracket can be eliminated to facilitate the mounting. In addition, by using a base cover that fixes the reclining cover, it is for vehicles that have a structure that supports the reclining cover and receives the load input to the reclining cover both when it has an electric mechanism and when it does not have an electric mechanism. Sheets can be provided.
Further, by inserting the flange portion extending in the front-rear direction into the groove portion of the reclining cover, the position of the reclining cover can be stably regulated.
By forming the cross section of the base cover in a crank shape, the rigidity of the base cover is improved. Further, a space is created between the reclining cover and the reclining cover, and for example, a switching unit or the like can be arranged in the space.
Further, by inserting the boss into the through hole, the base cover can be easily attached to the cushion side frame.
Further, by arranging the tapping fixing portion and the engaging claw portion so as to overlap each other in the front-rear direction, the base cover can be more firmly fixed to the cushion side frame.
Further, by fixing the inner cover to the outer side surface of the base cover, the rigidity of the base cover is improved and the load input can be received more stably.
Further, since the base cover and the inner cover are engaged with each other by the resin claws, it becomes easy to assemble with a simple structure.
Further, by fixing the switching unit to the inner cover, the switching unit is protected against external load input.
Further, by arranging the switching unit inside the base cover and overlapping the fixed position of the base cover, the switching unit is more protected against the load input from the outside.
Further, by hooking the fixing claws provided on the front end portion of the reclining cover to the base cover, it is possible to ensure the position regulation on the front side of the reclining cover.

It is a perspective view which shows the appearance of the vehicle seat which concerns on one Embodiment of this invention. It is a perspective view which shows the seat frame of a vehicle seat. It is a perspective view which looked at the cushion side frame to which a reclining cover was attached from the inside of a vehicle seat. It is a perspective view which looked at the base cover from the inside of a vehicle seat. It is a perspective view which looked at the base cover from the outside of a vehicle seat. It is sectional drawing which follows the VI-VI line of FIG. FIG. 3 is a cross-sectional view taken along the line VII-VII of FIG. It is a perspective view which shows the cushion side frame which attached the switching unit. It is an exploded perspective view which shows the cushion side frame which has a switching unit and the like. It is a perspective view which showed the unit cover (inner cover) attached to the base cover, and was seen from the outside of a vehicle seat. It is a perspective view from the inside of the vehicle seat which shows the unit cover attached to a reclining cover. It is sectional drawing along the XII-XII line of FIG. It is sectional drawing along the XIII-XIII line of FIG. It is sectional drawing along the XIV-XIV line of FIG.

Hereinafter, the configuration of the vehicle seat according to the embodiment of the present invention will be described with reference to the drawings. However, the embodiments described below are for facilitating the understanding of the present invention, and do not limit the present invention. That is, the present invention can be modified and improved without departing from the spirit thereof, and it goes without saying that the present invention includes an equivalent thereof.
Further, in the following description, the contents relating to the material, shape and size of the seat constituent parts are merely specific examples, and do not limit the present invention.

In the following, a vehicle seat mounted on a vehicle will be given as an example of a vehicle seat, and a configuration example thereof will be described. However, the present invention is not limited to vehicle seats mounted on ground-based vehicles having wheels such as automobiles and railroads, and for example, seats mounted on aircraft and ships moving outside the ground. Can be applied.

Further, in the following description, the "front-rear direction" is the front-rear direction of the vehicle seat, and is a direction that coincides with the traveling direction when the vehicle is traveling. Further, the "seat width direction" is the width direction of the vehicle seat (in other words, the width direction of the seat body), which is the direction corresponding to the left-right direction seen from the occupant seated on the vehicle seat. Further, the "vertical direction" is a 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, the "outside of the vehicle" in the seat width direction means the one closer to the outside of the vehicle body (for easy understanding, the side closer to the nearest door), and the "inside of the vehicle" means the one closer to the inside of the vehicle body (understood). Easy means the side away from the nearest door).
Further, in the following description, "rotation" means a rotation operation about an axis along the seat width direction, unless otherwise specified.

The shape, position, posture, etc. of each part of the vehicle seat described below will be described assuming a case where the vehicle seat is in a seated state, unless otherwise specified.

<< First Embodiment >>
The basic configuration of the vehicle seat (hereinafter referred to as vehicle seat SA) according to the first embodiment will be described with reference to FIG. FIG. 1 is a perspective view of a vehicle seat SA, and a part of the vehicle seat SA in FIG. 1 is shown in a configuration in which the cushion trim cover T and the pad P are removed for convenience of illustration.

<Vehicle seat SA>
The vehicle seat SA is a seat that is placed on the vehicle body floor and on which the occupants of the vehicle are seated. In the present embodiment, the vehicle seat SA is used as a front seat corresponding to the front seat of the vehicle. However, the present invention is not limited to this, and the vehicle seat SA can also be used as a rear seat, and in a vehicle having three rows of seats in the front-rear direction, a second-row middle seat or a three-row seat can be used. It can also be used as a rear seat for the eyes.

As shown in FIG. 1, the vehicle seat SA includes a seat back 1 that is a backrest portion that supports the back of a occupant, a seat cushion 2 that is a seating portion that supports the buttocks of a occupant, and a seat back 1. The main component is the headrest 3 which is arranged on the upper part and supports the head of the seated person. The seat back 1 and the seat cushion 2 are connected so as to sandwich the reclining mechanism 7 (see FIG. 2). The seat back 1 is rotated with respect to the seat cushion 2 and is connected so that the angle can be adjusted. The reclining mechanism 7 is a mechanism for adjusting the inclination angle of the seat back 1. Further, the seat back 1 and the seat cushion 2 may be collectively referred to as a seat body Sh.

<Seat frame FA>
As shown in FIG. 2, a seat frame FA is provided in the vehicle seat SA, and the seat frame FA forms the skeleton of the seat back frame 10 forming the skeleton of the seat back 1 and the skeleton of the seat cushion 2. It is composed of a seat cushion frame 20 and.

<Seat back frame 10>
As shown in FIG. 2, the seat back frame 10 is formed in a square frame shape as a whole, and includes an upper frame 11, a lower frame 12, and a pair of back side frames 13 and 13 (a pair of side frames). Be prepared. The pair of backside frames 13, 13 are arranged apart from each other in the seat width direction (left-right direction). The upper frame 11 is arranged between the pair of backside frames 13, 13 and connects the upper ends of the backside frames 13, 13. The lower frame 12 is arranged between the pair of backside frames 13, 13 and connects the lower ends of the pair of backside frames 13, 13.

<Seat cushion frame 20>
Like the seat back frame 10, the seat cushion frame 20 is also formed in a square frame shape as a whole, and a pair of cushion side frames 21 and 21 are provided on the side portions thereof. Further, it has a front connecting frame 22 that connects the pair of cushion side frames 21 and 21 in the front, and a rear connecting frame 23 that connects the pair of cushion side frames 21 in the rear. The front connecting frame 22 and the rear connecting frame 23 on the front and rear of the vehicle seat SA are composed of round pipes. Further, a cushion pan frame 24 is provided in front of the front connecting frame 22. Although not shown, a pressure receiving member that bridges the cushion pan frame 24 and the rear connecting frame 23 is attached, and the pressure receiving member supports the buttocks of the occupant seated from below.

<Headrest 3 and headrest frame 30>
The headrest 3 is attached to the upper part of the seat back 1 so as to support the head of the seated person. As shown in FIG. 2, a headrest frame 30 forming the skeleton of the headrest 3 is provided inside the headrest 3, and two headrest pillars 31 hanging from the lower portion of the headrest 3 are provided at both left and right ends of the headrest frame 30. (Also called a headrest stay) is provided. The headrest pillar 31 is inserted into the headrest guide 11a attached to the upper frame 11 of the seat back frame 10 described later, so that the headrest 3 is attached to the seat back frame 10.

<Pad P and cushion trim cover T>
A pad P and a cushion trim cover T (cushion cover) are provided on the outside of the seat back frame 10, the seat cushion frame 20, and the headrest frame 30, so that the seat back 1, the seat cushion 2, and the headrest 3 are configured. The pad P is a urethane base material molded by foam molding using, for example, a urethane foam material, and the cushion trim cover T is made of a skin material such as cloth, synthetic leather, or genuine leather.

<Slide rail 4>
Further, a slide rail 4 is installed under the vehicle seat SA as shown in FIG. With the slide rail 4, the vehicle seat SA is attached to the vehicle body floor in a state where it can slide and move in the front-rear direction.

The slide rail 4 is a device for sliding and moving the vehicle seat SA along the front-rear direction, and has a known structure (a structure of a general slide rail mechanism). The slide rail 4 has a lower rail 41 fixed on the vehicle body floor and an upper rail 42 that can slide and move with respect to the lower rail 41. The upper rail 42 is slidable with respect to the lower rail 41 fixed to the vehicle body.

<Recliner mechanism 7>
A reclining mechanism 7 is provided between the lower end of the seat back 1 and the rear end of the seat cushion 2. More specifically, the reclining mechanism 7 connects the seat back frame 10 of the seat back 1 and the seat cushion frame 20 of the seat cushion 2. The reclining mechanism 7 makes it possible to adjust the angle of the seat back 1 (seat back frame 10) with respect to the seat cushion 2 (seat cushion frame 20). The reclining mechanism 7 can lock the seat back 1 at a predetermined angle to maintain the tilted state. Further, by releasing the lock, the seat back 1 can be laid down forward or backward.

<Recliner cover and base cover>
Hereinafter, the reclining cover 50 and the base cover 60 included in the vehicle seat SA of the present embodiment will be described with reference to FIGS. 1 to 7.
As shown in FIGS. 1 and 3, the reclining cover 50 is a member that covers the end portion of the reclining mechanism 7 and the side portion of the cushion side frame 21. By attaching the reclining cover 50, the reclining mechanism 7 and the cushion side frame 21 are protected without being exposed to the outside.

Conventionally, the reclining cover has been attached by attaching a bracket to the cushion side frame 21 and supporting the reinforcing wire frame provided along the upper end of the reclining cover by the bracket. However, since the bracket, the reinforcing wire frame, and the like are used to fix the reclining cover, the number of parts increases and it is necessary to assemble them.

In the present embodiment, as shown in FIG. 3, the reclining cover 50 is attached to the cushion side frame 21 on the left side of the pair of cushion side frames 21. The rear end portion of the reclining cover 50 is fixed by a resin claw or the like provided around the reclining mechanism 7. On the other hand, the front side portion of the reclining cover 50 is fixed by a base cover 60 provided between the reclining cover 50 and the cushion side frame 21. The reclining cover 50 may be fixed to the cushion side frame 21 on the right side.

The base cover 60 is a member that covers functional parts such as a switching unit and can attach the functional parts to the cushion side frame 21. The base cover 60 further has a function of fixing the reclining cover 50 and a function of supporting the input load to the reclining cover 50 by the cushion side frame 21.

Since the reclining cover 50 is supported by the base cover 60, it is not necessary to provide a bracket, a reinforcing wire frame, or the like as in the conventional case, the number of parts can be reduced, and the time required for assembly can be shortened.

As shown in FIGS. 3, 4, and 6, a plurality of ribs 51 (support portions) are provided on the inside of the upper portion of the reclining cover 50, and a groove portion 52 is formed below the rib 51. The base cover 60 is provided with a flange portion 61 extending in the front-rear direction of the seat at the upper portion thereof, and the flange portion 61 is inserted into the groove portion 52 formed below the rib 51 as shown in FIG. By inserting the flange portion 61 extending in the front-rear direction of the seat by the groove portions 52 formed by the plurality of ribs 51, the reclining cover 50 can be supported in a wide range, and the position can be regulated more stably.

Further, as shown in FIG. 6, the base cover 60 has a crank-shaped (S-shaped) cross section including a flange portion 61 for supporting the reclining cover 50 and a fixing portion 62 attached to the cushion side frame 21. Has been done. By forming the base cover 60 in a crank shape, the rigidity of the base cover 60 is improved, and as shown in FIG. 6, a space SP is formed between the reclining cover 50 and the fixed portion 62. A functional component such as a switching unit can be arranged in this space SP. In the case of a manual specification in which functional parts are not attached to the vehicle seat SA, for example, a switching unit for operating an electric mechanism is not provided, nothing is attached to the base cover 60 and the space SP between the reclining cover 50 is empty. You may be.

Further, as shown in FIG. 4, a boss 63 for fixing the position is formed on the inner side surface 62a of the fixing portion 62 of the base cover 60. The boss 63 is provided so as to project toward the inside of the vehicle seat SA. Further, a through hole 21a is formed on the side surface of the cushion side frame 21 at a position corresponding to the boss 63, specifically, a position connected to the front connecting frame 22, and the boss 63 is inserted into the through hole 21a. The base cover 60 is attached to the cushion side frame 21. By inserting the boss 63 into the through hole 21a, the positions of the base cover 60 in the front-rear direction and the up-down direction are restricted. Thereby, the base cover 60 can be easily attached to the cushion side frame 21.

Further, as shown in FIG. 4, the base cover 60 is provided with two tapping fixing portions 64 for fixing to the cushion side frame 21 by screwing. The tapping fixing portion 64 projects inward and is positioned so as to communicate with the through hole 21b formed in the cushion side frame 21.

Further, the base cover 60 is provided with two engaging claw portions 65 that engage with the cushion side frame 21. The two engaging claw portions 65 are arranged above and below the tapping fixing portion 64, in other words, at positions overlapping with the tapping fixing portion 64 in the front-rear direction. In other words, the tapping fixing portion 64 is arranged so as to be sandwiched between the two engaging claw portions 65. By arranging the tapping fixing portion 64 and the engaging claw portion 65 in this way and screwing them together, the base cover 60 can be more firmly fixed to the cushion side frame 21.
A contact convex portion 66 (boss) that comes into contact with the side portion of the cushion side frame 21 is provided in front of the tapping fixing portion 64 to support the base cover 60.

Further, the reclining cover 50 has a fixing claw 53 at the front end portion as shown in FIG. 4, and the fixing claw 53 is hooked to the tip of the base cover 60 to fix the reclining cover 50. The fixing claw 53 at the front end of the reclining cover 50 ensures the position regulation on the front side of the reclining cover 50.

As shown in FIG. 5, the base cover 60 is provided with a wall portion 69 extending outward around the fixed portion 62, and is formed to have a box shape as a whole. The box shape allows, for example, to cover the unit cover 80 (inner cover) described later.

<< Second Embodiment >>
<Vehicle seat SB with electric mechanism>
Next, the vehicle seat SB having the electric mechanism according to the second embodiment will be described with reference to FIGS. 8 to 14. Similar to the vehicle seat SA shown in FIG. 1, the vehicle seat SB includes a seat back 1, a seat cushion 2, and a headrest 3, and a reclining mechanism 7 is provided between the seat back 1 and the seat cushion 2.
The vehicle seat SAs shown in FIGS. 1 to 7 are manual specifications for manually changing the height of the seat cushion 2 and reclining to change the inclination of the seat back 1. On the other hand, the vehicle seat SBs shown in FIGS. 8 to 14 have a power specification in which an electric mechanism such as an actuator 90 is mounted on the seat body Sh so that the height and reclining angle of the seat cushion 2 can be automatically changed. be.

The vehicle seat SB has almost the same configuration as the vehicle seat SA shown in FIGS. 1 to 7 except that the cushion side frame 21 of the seat cushion frame 20A is provided with an actuator 90, a switching unit 70, and the like. Detailed explanations of the back 1 and the seat cushion 2 will be omitted.

As shown in FIG. 8, the vehicle seat SB is provided with an actuator 90 on the outer side of the cushion side frame 21 of the seat cushion frame 20A on the front side of the reclining mechanism 7. The actuator 90 is, for example, an electric mechanism that changes the height of the seat cushion 2.
Further, a switching unit 70 for operating the actuator 90 is provided further in front of the actuator 90.

<Switching unit 70>
The switching unit 70 is provided with a plurality of switches 71 and is modularized as one member. The switching unit 70 is connected to the actuator 90 by a cable, and the actuator 90 can be operated by the switching operation of the seated person. The switching unit 70 and the actuator 90 are configured to be covered with the reclining cover 50. As shown in FIG. 8, the switching unit 70 is attached to the base cover 60 via the unit cover 80 (inner cover).

The switching unit 70 is located inside the base cover 60 in a side view, and is arranged so that the base cover 60 overlaps with a fixed position fixed to the cushion side frame 21.
The switching unit 70 is located inside the base cover 60 and is arranged so as to overlap the fixed position of the base cover 60, so that the switching unit 70 is protected against an external load input. Although the switching unit 70 is fixed to the unit cover 80 by tapping, it may be fixed to the reclining cover 50 by a resin claw.

<Unit cover 80>
The unit cover 80 is a member for covering and protecting the switching unit 70 and fixing the switching unit 70 to the base cover 60. The unit cover 80 is fixed to the outer side surface 62b of the base cover 60 and is arranged on the reclining cover 50 side. By fixing the unit cover 80 to the outer side surface 62b of the base cover 60, the rigidity of the base cover 60 is improved, and the load input can be received more stably.

As shown in FIGS. 10 and 11, the unit cover 80 is provided with tapping fixing portions 81 at the front and rear ends, and can be screwed to the reclining cover 50. Further, two engaging holes 83 are provided in the upper part of the unit cover 80, and as shown in FIG. 14, a resin claw 54 protruding from the reclining cover 50 is inserted into the engaging holes 83 to engage the unit cover 80. By doing so, the unit cover 80 can be attached to the reclining cover 50. Further, two resin claws 82 project from the inner wall portion of the unit cover 80, and the resin claws 82 are inserted into the engaging holes 68 of the base cover 60 to engage with the unit cover 80 so that the unit cover 80 is a base cover. It is fixed at 60.

A wall portion 84 is provided on the outer periphery of the unit cover 80 to form a box shape. As shown in FIGS. 12 to 14, the switching unit 70 attached to the unit cover 80 is covered and protected in front and back and up and down. Further, since the switching unit 70 is arranged between the reclining cover 50 and the unit cover 80 and is fixed to the unit cover 80, the switching unit 70 can be protected against an external load input.

The vehicle seats SA and SB according to the present embodiment have been described above with reference to the drawings. As described above, the base cover 60 can be diverted to both the manual specification vehicle seat SA and the power specification vehicle seat SB. Further, in both specifications, the base cover 60 can regulate and fix the position of the reclining cover 50, and can receive the load input to the reclining cover 50.
Further, in the present embodiment, the switching unit 70 is mentioned as a functional component attached to the base cover 60, but the functional component is not limited to this, and may be, for example, a touch sensor, an ECU, an actuator 90, or the like.

SA, SB Vehicle seats (vehicle seats)
T Cushion trim cover (cushion cover)
P Pad FA Seat Frame Sh Seat Body 1 Seat Back 2 Seat Cushion 3 Headrest 4 Slide Rail 7 Reclining Mechanism 10 Seat Back Frame 11 Upper Frame 11a Headrest Guide 12 Lower Frame 13 Back Side Frame 20, 20A Seat Cushion Frame 21 Cushion Side Frame 21a Through hole 21b Through hole 22 Front connecting frame 23 Rear connecting frame 24 Cushion pan frame 30 Headrest frame 31 Headrest pillar 41 Lower rail 42 Upper rail 50 Reclining cover 51 Ribs (support part)
52 Groove 53 Fixed claw 54 Resin claw 60 Base cover 61 Flange part 62 Fixed part 62a Inner side surface 62b Outer side surface 63 Boss 64 Tapping fixed part 65 Engagement claw part 66 Contact convex part 68 Engagement hole 69 Wall part 70 Switching unit 71 Switch 80 unit cover (inner cover)
81 Tapping fixing part 82 Resin claw 83 Engagement hole part 84 Wall part 90 Actuator

Claims (10)

With a seat cushion,
A seat cushion frame that forms the skeleton of the seat cushion and has a pair of cushion side frames,
A reclining mechanism provided at the rear end of the seat cushion,
A reclining cover that covers the end of the reclining mechanism and one side of the pair of cushion side frames.
A base cover that covers functional parts and can be attached to the cushion side frame. The reclining cover is fixed to the cushion side frame between the reclining cover and the cushion side frame, and an input load to the reclining cover is applied. A vehicle seat comprising a base cover that supports the cushion side frame. The reclining cover has a support portion having a groove formed inside the upper portion.
The base cover has a flange portion extending in the front-rear direction of the seat at the upper portion, and the flange portion is inserted into the groove portion formed in the support portion of the reclining cover to be fixed to the cushion side frame. The vehicle seat according to claim 1. The vehicle according to claim 2, wherein the base cover has a cross section including a flange portion that supports the reclining cover and a fixing portion that is attached to the cushion side frame, and is formed in a crank shape. Sheet for. The base cover has a boss formed on the inner side surface.
The cushion side frame has a through hole formed at a position corresponding to the boss.
By inserting the boss of the base cover into the through hole of the cushion side frame, the positions of the base cover in the front-rear direction and the vertical direction with respect to the cushion side frame are restricted. The vehicle seat according to any one of claims 1 to 3. The base cover has a tapping fixing portion fixed by screwing to the cushion side frame, and an engaging claw portion fixed by engaging the claw portion.
The vehicle seat according to any one of claims 1 to 4, wherein the tapping fixing portion and the engaging claw portion are arranged so as to overlap each other in the front-rear direction. An inner cover is provided between the base cover and the reclining cover.
The vehicle seat according to any one of claims 1 to 5, wherein the inner cover is fixed to the outer side surface of the base cover. The vehicle seat according to claim 6, wherein the base cover and the inner cover are engaged with each other by resin claws. A switching unit is provided as the functional component.
The vehicle seat according to claim 6 or 7, wherein the switching unit is arranged between the inner cover and the reclining cover and is fixed to the inner cover. The vehicle according to claim 8, wherein the switching unit is located inside the base cover in a side view, and the base cover is arranged so as to overlap a fixed position fixed to the cushion side frame. Sheet for. The vehicle seat according to any one of claims 1 to 9, wherein the reclining cover is fixed by hooking a fixing claw provided at a front end portion of the reclining cover to the base cover. ..

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