TW201545918A - Vehicle seat - Google Patents

Abstract

Provided is a vehicle seat (vehicle seat (1)) having a seat cushion (10) capable of moving between a seating position located where sitting and use occurs and a storage position located to the front of the seating position, and a seatback (20) capable of moving between a seating position located where sitting and use occurs and a storage position achieved by dropping downward to the front. The seat cushion (10) is configured in a manner such that during movement between the seating position and the storage position, the rear end section thereof moves below a horizontal plane (H) passing through the upper end of the front end section of the seat cushion (10) when in the seating position.

Description

Vehicle seat

The present invention relates to a vehicle seat in which a seat cushion is moved forward to change a seat layout.

Heretofore, there has been known a structure for changing a seat layout in which a seat back is pushed forward by a seat cushion in a rear seat of a passenger car or the like, thereby expanding a rear portion of the vehicle. Storage space. Such a vehicle seat is configured such that after the rear end portion of the seat cushion is raised, the seat cushion is moved downward toward the front side, and the seat back is tilted forward (refer to Patent Document 1). Prior Technical Literature Patent Literature

Patent Document 1: Japanese Patent Laid-Open No. 2011-11665

[Question to be solved by the invention]

However, in the configuration of Patent Document 1, since the rear end portion of the seat cushion is lifted, there is a concern that the rear end portion interferes with the seat back that is tilted forward when the vehicle seat is housed.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a vehicle seat that suppresses interference between a seat cushion and a seat back when the vehicle seat is moved from the seating position to the storage position. [Means for solving the problem]

In order to achieve the above object, a vehicle seat according to the present invention includes: a seat cushion movable between a seating position for riding and a storage position forward of the seating position; and a seat back for riding The used seating position moves between the seating position that is lowered toward the front; and the seat cushion is configured to move the rear end portion below the horizontal plane when the movement between the seating position and the storage position is performed, and the horizontal plane passes The upper end of the front end portion of the seat cushion at the above-described seating position.

According to this configuration, since the movable range in the vertical direction of the rear end portion of the seat cushion is reduced, it is possible to suppress interference between the seat cushion and the seat back when moving from the seat position to the storage position.

In the case where the vehicle seat includes a headrest provided on the seat back, the headrest and the seat may be provided when the seat cushion and the seat back are located at the storage position. The pad is in contact and the seat back is in contact with the seat cushion.

At the time of storage, if only the seat back is in contact with the seat cushion, the seat back and the seat cushion are in strong contact with each other, and the mat or the skin material of the seat cushion is likely to leave a contact mark of the seat back. However, according to the above configuration, by contacting the seat cushion with the headrest and the seat back at two or more places, it is possible to reduce the contact marks remaining on the seat cushion.

In the above configuration, the seat cushion may have a convex portion protruding from the lower surface or a concave portion recessed from the lower surface, and the convex portion or the concave portion may be provided when the seat cushion is located at the seating position. The first engagement portion is provided in the vehicle body.

According to this configuration, the seat cushion can be positioned at the seating position.

In the above configuration, the convex portion or the concave portion may be provided to be engageable with the second engagement portion provided in the vehicle body when the seat cushion is located at the storage position.

According to this configuration, the seat cushion can be positioned at the storage position.

The vehicle seat may be configured such that the vehicle seat has one end that is rotatably coupled to the front portion of the seat cushion and the other end of which is rotatably coupled to the first leg and the second leg of the vehicle body. The seat cushion has an extension portion that protrudes toward the left and right outer sides from a mounting position of the first leg and the second leg toward the vehicle body, and the first leg side of the left and right extension portions The projecting portion of the projecting portion is larger than the projecting portion on the second leg side, and the first leg has a support portion extending from the other end to the seat cushion, and an extension portion from the support portion Extending outward in the left and right direction.

According to this configuration, the extension portion can be satisfactorily received by the extension portion on the first leg side, and the extension portion on the first leg side can be stably supported.

In the above configuration, the extension portion may be disposed to be formed on a floor of the vehicle body and extend forward and backward when the seat cushion moves between the seating position and the storage position. Above the convex part of the body.

According to this configuration, it is possible to suppress the first leg from interfering with the body convex portion of the vehicle body.

In the above configuration, the seat cushion may have a protruding portion that protrudes downward from the extending portion of the first leg side and is in contact with the main body convex portion, and the protruding portion is provided at The extension portion is further outward in the left-right direction.

According to this configuration, the protruding portion can be stably supported by the protruding portion on the first leg side by the protruding portion contacting the main body convex portion.

In the above configuration, the seat cushion may have a pipe and a wire, and the pipe may be provided at a front portion and extend in a left-right direction, and the wire may be provided to pass forward of the pipe. At least a part of the extension portion is disposed between the tube and the line in the front-rear direction.

According to this configuration, it is possible to suppress the extension portion from protruding toward the front of the vehicle seat.

In the above configuration, the first leg may have a first connecting portion extending from the extending portion toward a rotation axis of the seat cushion, and the first connecting portion may be The extension member is composed of different members and is fixed to the extension portion.

When the extension portion is bent and connected to the rotation axis of the seat cushion, the curved portion, particularly the corner portion, has a large R shape, and thus the extension portion and other members when the first foot is rotated Interference concerns. However, according to the above configuration, the corner portion of the connecting portion between the extending portion and the first connecting portion does not have a large R shape. Therefore, when the first leg is rotated, the connecting portion does not interfere with other members. Further, the clearance between the extended portion and the seat cushion can be ensured by the first connecting portion.

In the above configuration, the second leg includes a first link (link) and a second link, and one end of the first link is rotatably coupled to the seat pad and the other end is rotatable Connected to the vehicle body, the second link is rotatably coupled to the seat at one end of the first link and the node of the seat, and is coupled to the first link and the first link The other end of the position at which the node of the vehicle body deviates is coupled to the vehicle body.

According to this configuration, by providing the second link on the second leg of the non-extended portion, the second link can be made smaller than the configuration in which the member corresponding to the second link is provided on the first leg.

In the above configuration, the second connecting portion may be disposed below the extending portion, and the support portion may be coupled to the second leg.

According to this configuration, the rigidity of the first leg and the second leg can be improved. [Effects of the Invention]

According to the present invention, since the movable range of the rear end portion of the seat cushion in the vertical direction is reduced, it is possible to suppress interference between the seat cushion and the seat back when moving from the seating position to the storage position.

According to the present invention, at the time of storage, the seat cushion and the seat back are in contact with the seat cushion at two or more positions, whereby the contact marks can be reduced on the seat cushion.

According to the present invention, the seat cushion can be positioned at the seating position, and when the seat cushion is moved to the storage position, the seat cushion can be restrained from tilting.

According to the present invention, the seat cushion can be positioned at the storage position.

According to the present invention, the extension portion can be satisfactorily supported by the extension portion on the first leg side, and the extension portion on the first leg side can be stably supported.

According to the present invention, it is possible to suppress the first leg from interfering with the body convex portion of the vehicle body.

According to the invention, the protruding portion on the first leg side can be stably supported by the protruding portion being in contact with the convex portion of the body.

According to the present invention, it is possible to suppress the extension portion from protruding toward the front of the vehicle seat.

According to the invention, since the large R shape is not formed at the corner portion of the connecting portion between the extended portion and the first connecting portion, the connecting portion does not interfere with the other members when the first leg is rotated. Further, the gap between the extension portion and the seat cushion can be ensured by the first joint portion.

According to the present invention, by providing the second link on the second leg of the non-extended portion, the second link can be made smaller than the configuration in which the member corresponding to the second link is provided on the first leg.

According to the present invention, the rigidity of the first leg and the second leg can be improved.

Next, an embodiment of the present invention will be described in detail with reference to the drawings as appropriate. As shown in FIG. 1, the vehicle seat 1 as an example of a vehicle seat is a three-seat seat for a rear seat of an automobile, and mainly includes a seat cushion 10, a seat back 20, and a headrest 30. The vehicle seat 1 is movable between a seating position for riding and a storage position where the seat cushion 10 is moved forward and the seat back 20 is lowered to an empty space.

The seat cushion 10 includes a left side seat cushion 10A for two persons and a right side seat cushion 10B for one person sitting. The seat back 20 includes a left side seat back 20A for two persons and a right side for one person to sit. Seat back 20B.

In the following description, the front, rear, left and right, and up and down are based on the occupant seated in the vehicle seat 1 . In the following description, the seat cushion 10 and the seat back 20A on the left side of the seat back 10 and the seat back 20 will be described as follows, and the right side seat cushion 10B and the seat back 20B will be described. Since it is substantially the same structure as the seat cushion 10A of the left side and the seat back 20A, description is abbreviate|omitted.

The seat cushion 10 has a pad body 11 and a first leg 100 and a second leg 110 (the right side seat pad 10B is a pair of legs 19), and the pad body 11 is rotatably supported relative to the floor F of the vehicle body. . Further, a pair of mounting members 12 are fixed to the bottom plate F by bolts 12A and the like, and the pair of mounting members 12 are used to mount the first leg 100 and the second leg 110.

As shown in FIG. 2, the pair of mounting members 12 are disposed on the outer side (left side) of the center tunnel F1 in the left-right direction, and the center passage F1 is formed in the center of the floor panel F of the vehicle body in the left-right direction, and Extend back and forth.

The seat cushion 10 is configured to have a tube 13 and a reinforcing wire 14 provided in the pad body 11. Further, the seat cushion 10 has a pair of projecting portions 15 projecting to the left and right outside of the pair of mounting members 12 (refer to FIG. 3).

The tube 13 is provided at the front portion of the pad body 11, and extends in the left-right direction over a range in which the pair of mounting members 12 and the center passage F1 are provided. The tube 13 is provided with a first protruding portion 13A and a second protruding portion 13B that protrude downward, a first mounting portion 13C for attaching the first leg 100, and a second mounting portion 13D for attaching the second leg 110. .

The first protruding portion 13A is provided at a position corresponding to the pair of mounting members 12, and the second protruding portion 13B is provided at a right end of the tube 13, in particular, at a position opposed to the central passage F1. The central passage F1 is formed to have a height h higher than the foot space portion F2 in front of the attachment member 12, and the amount of protrusion of the second projection 13B from the tube 13 is smaller than that of the first projection 13A. The corresponding amount of height h (see also Figure 3).

The first attachment portion 13C is provided at the right end portion of the tube 13, and the second attachment portion 13D is provided at the left end portion of the tube 13.

The reinforcing wire 14 is composed of a metal wire and is fixed to the tube 13. The reinforcing wire 14 is provided so as to pass through the front side, the left and right sides, and the rear side of the tube 13 along the outer shape of the pad body 11.

As shown in FIG. 3, the projecting portion 15A of the right side (the first leg 100 side) of the pair of projecting portions 15 is disposed in the same position as the center channel F1 in the left-right direction, in the seat cushion 10 When moving between the seating position and the stowed position, it passes above the center passage F1. The amount of protrusion of the projecting portion 15A on the right side is larger than that of the projecting portion 15B on the left side (the side of the second leg 110). Further, the projecting portion 15A on the right side has an amount of protrusion corresponding to the width of one occupant.

As shown in FIGS. 1 and 8, the seat back 20 is configured to be rotatable in the front-rear direction with the lower end portion as a fulcrum, and has a seat back main body 21. As shown in FIG. 2, a frame 22 and a rotary shaft 23 are provided in the seat back body 21. The frame 22 is formed in a substantially U shape that opens downward. The rotary shaft 23 extends in the left-right direction and is fixed to the left and right lower end portions of the frame 22 by welding or the like.

The rotary shaft 23 is rotatably supported by the mounting member 24 of the bottom plate F fixed to the left and right sides of the seat back 20 in such a manner that the frame 22 is rotatable relative to the bottom plate F. A spiral spring 25 that presses the seat back body 21 forward is provided on the swing shaft 23.

As shown in FIG. 1, the headrest 30 has a headrest body 31, and a support 32 (refer to FIG. 8) for supporting the headrest body 31 to the seat back 20, and the seat back 20A on the left side is provided with Two headrests 30 are provided with one headrest 30 on the right side of the seat back 20B, and a total of three headrests 30 are provided.

Next, the structure of the first leg 100 and the second leg 110 will be described. As shown in FIG. 3, the first leg 100 is a leg disposed on the side of the center channel F1 and on the right side of the support tube 13 from the second leg 110. The first leg 100 has a support portion 101 that bends the metal tube and extends from the lower end so as to approach the seat cushion 10, and the extension portion 102 extends from the upper end of the support portion 101 toward the outer side (right side) in the left-right direction.

The lower end of the support portion 101 is rotatably coupled to the mounting member 12. As shown in FIG. 2, the support portion 101 is provided with a coil spring 103 at the lower end, and is pressed forward by the coil spring 103.

As shown in FIG. 3, the extension portion 102 is disposed in parallel with the tube 13 and is located at the same position as the central passage F1 in the left-right direction so as to avoid the central passage F1, and the seat cushion 10 is When moving between the seating position and the storage position, it passes above the center passage F1. As shown in FIG. 4, at least a part of the extension portion 102 is disposed between the tube 13 and the reinforcing wire 14 located on the front side of the tube 13 in the front-rear direction. The second protruding portion 13B is disposed on the outer side (right side) in the left-right direction of the right end of the extension portion 102.

As shown in FIG. 5, the extension portion 102 has a first coupling portion 104 that is rotatably supported by the first attachment portion 13C at the right end. The first connecting portion 104 is composed of a member different from the extending portion 102, and is fixed to the right end of the extending portion 102 by welding or the like. The first connecting portion 104 extends from the right end of the extending portion 102 toward the turning shaft 105 of the first mounting portion 13C (the seat cushion 10).

As shown in FIG. 6( a ), the second leg 110 includes a first link 111 and a second link 112 . The first link 111 is a leg that supports the left end of the tube 13, and the upper end is rotatably coupled to the second mounting portion 13D of the tube 13 (the seat cushion 10) at the node N1, and the lower end is rotatably coupled to the node N2. Member 12.

The second link 112 is configured to form a four-node link together with the first link 111, the second attachment portion 13D, and the attachment member 12, and to define a seat cushion when the seat cushion 10 is moved between the seating position and the storage position. 10 member relative to the posture of the bottom plate F.

The upper end of the second link 112 is rotatably coupled to the second mounting portion 13D at a position deviated from the node N1, specifically, at a node N3 that is displaced upward and rearward of the node N1, and the lower end is deviated from the node N2. The position, specifically, the node N4 that is offset from the node N2 toward the upper side and the rear side is rotatably coupled to the mounting member 12. Further, the second link 112 is formed of a member thinner than the first link 111.

As shown in FIG. 3, between the first leg 100 and the second leg 110, a second connecting portion 106 that connects the support portion 101 and the first link 111 is provided. The second connecting portion 106 is disposed below the extended portion 102 .

As shown in FIG. 6(a), the pad body 11 is provided with a convex portion 11A that protrudes from the lower surface. The convex portion 11A extends from the vicinity of the front end of the pad body 11 to the rear end. Further, a spacer 16 is provided between the bottom plate F of the vehicle body and the seat cushion 10.

The spacer 16 is a part of the vehicle body together with the bottom plate F, and is made of a foamed resin such as beads to form a cushioning material. The spacer 16 is configured to fill a gap between the seat cushion 10 and the bottom plate F. As shown in FIG. 6(b), the spacer 16 is provided with a groove 16A as an example of the first engaging portion and the second engaging portion that extends in the front-rear direction at a position corresponding to the convex portion 11A. The groove 16A is configured to be engaged with the convex portion 11A when the seat cushion 10 is at the seating position and the storage position (see also FIG. 8).

The operation of the vehicle seat 1 configured as described above will be described. When the operation portion (not shown) is operated from the seating state shown in Fig. 6(a), and the seat cushion 10 is released from the bottom plate F, the seat is rotated by the coil spring 103 (see Fig. 2). The lower end 100 of the pad 10 and the lower end of the second leg 110 are centrally rotated, and start to move forward. Similarly, when the state in which the seat back 20 is locked to the bottom plate F is released, the seat back 20 is rotated by the rotation shaft 23 as a center by the action of the coil spring 25, and starts to move forward.

As shown in FIG. 7, the seat cushion 10 is moved forward by raising the upper end while rotating the first leg 100 and the second leg 110. Here, since the seat cushion 10 moves forward, the respective attachment portions 13C and 13D are rotated about the upper end of the first link 111, whereby the rear end of the seat cushion 10 is bounced upward. However, in the present embodiment, the second link 112 is coupled to the second attachment portion 13D at the node N3 that is displaced toward the rear of the first link 111 and the node N1, thereby restricting the rear portion of the second attachment portion 13D. The upper side is rotated, so that the rear end portion of the seat cushion 10 is bounced.

Further, as shown in FIG. 8, the seat cushion 10 is moved forward, and the front end is placed in contact with the bottom plate F. As a result, the seat cushion 10 moves between a seating position for riding and a storage position forward of the seating position.

Here, the seat cushion 10 restricts the bounce of the rear end portion by the second link 112, whereby the rear end portion moves lower than the horizontal plane H when moving between the seating position and the storage position, the horizontal plane H passes the upper end of the front end portion of the seat cushion 10 when in the seated position. In other words, the movement locus L of the rear end portion when the seat cushion 10 is moved between the seating position and the storage position is located below the horizontal plane H.

When the seat cushion 10 is in the storage position, the rear end of the convex portion 11A is engaged with the front end of the groove 16A. Thereby, the seat cushion 10 can be positioned in the left-right direction of the storage position.

Further, the seat back 20 is lowered toward the front from the position of FIG. 6(a), and as shown in FIG. 8, the portion of the headrest 30 and the upper end portion of the seat back 20 are separated from each other. The seat cushion 10 is placed in contact with each other. In this way, the seat back 20 moves between the seating position for riding and the storage position for falling forward. Further, when the lock is released, the seat cushion 10 and the seat back 20 can be moved from the seat position to the storage position at the same time, and can be moved at different timings.

As shown in FIG. 9, when the seat cushion 10 is in the storage position, the first protruding portion 13A and the second protruding portion 13B are in contact with the bottom plate F. More specifically, when the seat cushion 10 is in the storage position, the first protruding portion 13A comes into contact with the footrest space portion F2, and the second protruding portion 13B comes into contact with the center passage F1.

On the other hand, the seat back 20 is locked to the bottom plate F by manually lifting the seat back 20 rearward from the storage position in FIG. 8 and moving it to the seating position in FIG. 6(a). . After the seat back 20 is moved, the seat cushion 10 is moved rearward from the storage position in FIG. 8 by hand or the like, and after moving to the seating position in FIG. 6(a), the seat cushion 10 is locked to the bottom plate. F. Thereby, the seat cushion 10 and the seat back 20 are fixed in a state in which the occupant can ride. When the seat cushion 10 is moved from the seating position toward the storage position, the rear end portion is moved by drawing the movement locus L shown in FIG. In this way, the rear end portion of the seat cushion 10 does not move excessively upward, so that when the seat cushion 10 is returned to the storage position, the position of the center of gravity of the seat cushion 10 is not excessively lifted upward, so that The seat cushion 10 is returned to the seating position with a relatively light force. Further, the seat cushion 10 can also be configured to interlock with the movement of the seat back 20.

According to the above, in the present embodiment, the following effects can be obtained. The movement locus L of the rear end portion when the seat cushion 10 moves between the seating position and the storage position is located below the horizontal plane H, so that the movable range of the rear end portion of the seat cushion 10 in the vertical direction can be reduced. Therefore, when the seat cushion 10 and the seat back 20 are moved from the seating position toward the storage position, it is possible to suppress the seat cushion 10 from interfering with the seat back 20.

Here, in the case where only the seat back is in contact with the seat cushion during storage, the seat back and the seat cushion are relatively strongly contacted, and the cushion or the skin material of the seat cushion is likely to leave the contact of the seat back. trace. However, in the present embodiment, since the seat cushion 10 is in contact with the seat cushion 10 at two places of the headrest 30 and the seat back 20, it is possible to reduce the occurrence of contact marks on the seat cushion 10.

Further, in the seating position, the convex portion 11A is engaged with the groove 16A, so that the seat cushion 10 can be positioned at the seating position, and the seat cushion 10 can be prevented from being displaced to the left and right when moving from the seating position toward the storage position.

Since the extension portion 102 supports the portion corresponding to the extension portion 15A on the right side of the seat cushion 10, even if a load is applied to the extension portion 15A on the right side, the load can be favorably received by the extension portion 102. Therefore, the protrusion 15A on the right side can be stably supported.

Since the extension portion 102 is disposed on the center passage F1, the first leg 100 can be prevented from interfering with the center passage F1.

When the storage position is at the storage position, the second protruding portion 13B is in contact with the center passage F1, whereby the right extension portion 15A can be stably supported.

Since at least a part of the extension portion 102 is disposed between the tube 13 and the reinforcing wire 14 in the front-rear direction, the extension portion 102 can be prevented from projecting toward the front of the vehicle seat 1 .

When the extension portion 102 is bent and coupled to the rotation shaft 105 of the seat cushion 10, the curved portion, particularly the corner portion, has a large R shape, and thus the corner portion is rotated when the first leg 100 is rotated. There is a concern that the members around the extension portion 102 interfere. However, in the present embodiment, the corner portion of the connection portion between the extension portion 102 and the first connection portion 104 does not have a large R shape. Therefore, when the first leg 100 is rotated, the connection portion and the extension portion 102 are formed. The surrounding components are not easy to interfere. Further, the gap between the extension portion 102 and the seat cushion 10 can be ensured by the first coupling portion 104.

Since the second link 112 is provided in the second leg 110 that does not have the extension portion 102, the second link 112 can be made smaller than the configuration in which the member corresponding to the second link is provided on the first leg. .

Since the second connecting portion 106 is provided in the support portion 101 and the second link 112, the rigidity of the first leg 100 and the second leg 110 can be improved.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments. The specific configuration can be appropriately changed without departing from the spirit and scope of the invention.

In the above embodiment, the seat cushion 10 has the convex portion 11A protruding from the lower surface. However, the present invention is not limited thereto, and as shown in FIG. 10, it may be configured to have a concave portion 11B recessed from the lower surface. In this case, the spacer 16 may be configured to have the spacer protruding portion 16B that can be engaged with the concave portion 11B as the first engaging portion and the second engaging portion.

In the above-described embodiment, the groove 16A of the spacer 16 is exemplified as the first engagement portion and the second engagement portion. However, the present invention is not limited thereto, and the first engagement portion and the second engagement portion may be configured in other manners. Engagement department.

In the above embodiment, the seat cushion 10 is provided with the convex portion 11A, and the spacer 16 (vehicle body) is provided with the groove 16A. However, the present invention is not limited thereto, and the convex portion 11A or the groove 16A may not be provided. Composition.

In the above embodiment, the seat cushion 10 is placed in contact with the upper end of the headrest 30 and the seat back 20 at the time of storage. However, the present invention is not limited thereto, and may be configured as only the seat back and the seat. Pad contact.

In the above embodiment, the center passage F1 is formed in the bottom plate F. However, the present invention is not limited thereto, and other protruding portions from the bottom plate F such as a tire house may be formed. In this case, the extended portion of the first leg may be disposed so as to pass over the protruding portion when the seat cushion moves.

In the above embodiment, at least a part of the extension portion 102 is disposed between the tube 13 and the reinforcing wire 14 in the front-rear direction. However, the present invention is not limited thereto, and may not be disposed between the tube 13 and the reinforcing wire 14. Further, at least a part of the extension portion may be disposed between the tube and the reinforcing line in the vertical direction. According to this, it is possible to suppress the extension portion from protruding below the vehicle seat.

In the above embodiment, the tube 13 is provided with the second protruding portion 13B. However, the present invention is not limited thereto, and the second protruding portion may not be provided, and the second protruding portion may be provided in a member different from the tube.

In the above-described embodiment, the extension portion 102 is provided with the first connection portion 104 composed of another member. However, the present invention is not limited thereto, and the extension portion may be curved to constitute the first connection portion.

In the above-described embodiment, the second link 112 is provided in the second leg 110. However, the present invention is not limited thereto, and a configuration of a link member corresponding to the second link may be provided in the first leg.

In the above embodiment, the second connecting portion 106 is provided in the first leg 100 and the second leg 110. However, the present invention is not limited thereto, and the second connecting portion may not be provided.

In the above-described embodiment, the vehicle seat 1 used in the automobile is exemplified as the vehicle seat. However, the present invention is not limited thereto, and may be applied to other vehicle seats, such as rail vehicles. Seats used in ships, airplanes, etc.

1‧‧‧Vehicle seats
10, 10A, 10B‧‧‧ seat cushion
11‧‧‧mat body
11A‧‧‧ convex
11B‧‧‧ recess
12.24‧‧‧Installation components
12A‧‧‧Bolts
13‧‧‧ tube
13A‧‧‧1st protrusion
13B‧‧‧2nd protrusion
13C‧‧‧1st Installation Department
13D‧‧‧2nd Installation Department
14‧‧‧ reinforcing line
15, 15A, 15B‧‧‧ Extension
16‧‧‧ spacers
16A‧‧‧ slot
16B‧‧‧ spacer projections
19‧‧‧ feet
20, 20A, 20B‧‧‧ seat back
21‧‧‧Seat backrest body
22‧‧‧Frame
23, 105‧‧‧Rotary axis
25, 103‧‧‧ spiral spring
30‧‧‧ head pillow
31‧‧‧ headrest body
32‧‧‧Support column
100‧‧‧1st foot
101‧‧‧Support Department
102‧‧‧Exit
104‧‧‧1st link
106‧‧‧2nd link
110‧‧‧2nd foot
111‧‧‧1st link
112‧‧‧2nd link
F‧‧‧floor
F1‧‧‧Central Channel
F2‧‧‧foot space department
H‧‧‧height
H‧‧‧ water level
L‧‧‧Moving track
N1, N2, N3, N4‧‧‧ nodes

Fig. 1 is a perspective view of a vehicle seat as a vehicle seat according to an embodiment. Fig. 2 is a perspective view showing an internal structure of a vehicle seat. Fig. 3 is a view showing the internal structure of the seat cushion from the front. Fig. 4 is a view showing the internal structure of the seat cushion from above. Fig. 5 is a view of Fig. 3 as viewed from the rear, and is an enlarged view of a portion of the extension portion. Fig. 6(a) is a view of the vehicle seat in the seating position viewed from the left side, and is an enlarged view of the seat cushion portion, and Fig. 6(b) is a cross-sectional view taken along line A-A of Fig. 6(a). Fig. 7 is a view of the vehicle seat viewed from the left side, and is a view showing a state in which the seat cushion and the seat are moved forward by the back. Fig. 8 is a view of the vehicle seat viewed from the left side in a storage position. Fig. 9 is a view showing the internal structure of the seat cushion at a storage position from the front. Fig. 10 is a view corresponding to Fig. 6(b) in a modification.

10‧‧‧ Seat cushion

11‧‧‧mat body

11A‧‧‧ convex

12.24‧‧‧Installation components

13‧‧‧ tube

13A‧‧‧1st protrusion

13D‧‧‧2nd Installation Department

16‧‧‧ spacers

16A‧‧‧ slot

20‧‧‧Seat backrest

21‧‧‧Seat backrest body

23‧‧‧Rotary axis

25‧‧‧Helical spring

30‧‧‧ head pillow

31‧‧‧ headrest body

32‧‧‧Support column

111‧‧‧1st link

112‧‧‧2nd link

F‧‧‧floor

H‧‧‧ water level

L‧‧‧Moving track

N1, N2, N3, N4‧‧‧ nodes

Claims (11)

A vehicle seat comprising: a seat cushion movable between a seating position for riding and a storage position forward of the seating position; and a seat back for seating position for use and riding Moving between the storage positions that are tilted forward; the seat cushion is configured to move downward between the seating position and the storage position, and the rear end portion moves downward in a horizontal plane, and the horizontal plane passes through the seating position The upper end of the front end of the seat cushion. The vehicle seat according to claim 1, further comprising a headrest provided on the seat back, wherein the headrest and the seat back are located when the seat cushion and the seat back are located at the storage position The seat cushion is in contact with the seat back and the seat cushion is in contact with the seat cushion. The vehicle seat according to claim 1 or 2, wherein the seat cushion has a convex portion protruding from a lower surface or a concave portion recessed from a lower surface, and the convex portion or the concave portion is provided in the above When the seat cushion is located at the above-mentioned seating position, it can be engaged with the first engaging portion provided in the vehicle body. The vehicle seat according to claim 3, wherein the convex portion or the concave portion is provided to be engageable with a second engagement provided in the vehicle body when the seat cushion is located at the storage position unit. The vehicle seat according to claim 1, further comprising a first leg and a second leg, wherein one end of the first leg and the second leg is rotatably coupled to a front portion of the seat cushion, The other end is rotatably coupled to the vehicle body, and the seat cushion has an extending portion that protrudes to the left and right outside from the mounting position of the first leg and the second leg toward the vehicle body. The protrusion amount of the extension portion on the first leg side of the left and right extension portions is larger than the extension portion of the second leg side, and the first leg includes a support portion for approaching the seat cushion from the other end. The method is extended; and the extension portion is extended outward from the support portion in the left-right direction. The vehicle seat according to claim 5, wherein the extension portion is disposed to be formed on a bottom plate of the vehicle body when the seat cushion moves between the seating position and the storage position. Above the body protrusion extending forward and backward. The vehicle seat according to claim 6, wherein the seat cushion has a protruding portion that protrudes downward from the protruding portion of the first leg side and is in contact with the body convex portion. The protruding portion is provided on the outer side in the left-right direction from the extended portion. The vehicle seat according to claim 5, wherein the seat cushion has a tube disposed at a front portion and extending in a left-right direction, and a line disposed to pass through a front side of the tube; At least a portion of the outlet portion is disposed between the tube and the line in the front-rear direction. The vehicle seat according to claim 5, wherein the first leg has a first connecting portion, and the first connecting portion extends from the extending portion toward a rotation axis of the seat cushion; The connecting portion is composed of a member different from the extending portion, and is fixed to the extending portion. The vehicle seat according to claim 5, wherein the second leg includes: a first link, one end of which is rotatably coupled to the seat cushion and the other end of which is rotatably coupled to the vehicle And a second link that is rotatably coupled to the seat cushion at a position deviated from a node of the first link and the seat cushion, and deviates from a node of the first link and the vehicle body The other end is connected to the vehicle body. The vehicle seat according to claim 5, further comprising a second connecting portion that is disposed below the extending portion and that connects the support portion to the second leg.