JP2020066344A - Seat storage structure - Google Patents

Abstract

To bring a storage recessed portion close to a vehicular seat at a seating position, in a seat storage structure that includes a vehicular seat and the storage recessed portion provided one side in a fore-and-aft direction of the vehicular seat, and can be displaced between a use position where the vehicular seat can be seated and a storage position where the vehicular seat is stored in the storage recessed portion.SOLUTION: A seat storage structure S has a vehicular seat 1 that includes a seat cushion 4 linked to a floor 3 defining a vehicle cabin 2 through a rotation link 12; and a storage recessed portion 15 that is formed on the floor on one side in a fore-and-aft direction of the vehicular seat at the sittable position, and can store the vehicular seat. The rotation link has an upper end journaled so as to slide forward/backward and inclined forward/backward within a predetermined range with respect to the seat cushion, and a lower end journaled so as to incline forward/backward at an edge portion on the other side in the fore-and-aft direction of a front edge portion or a rear edge portion of the storage recessed portion. Between the rotation link and the floor, regulating means 42 for selectively regulating the inclination of the rotation link is provided.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a seat storage structure for storing a vehicle seat in a storage recess provided on a floor of a vehicle body.

  A seat storage structure is known in which a vehicle seat including a seat cushion and a seat back can be stored in a storage recess formed on the floor (for example, Patent Document 1). In the seat storage structure of Patent Document 1, the storage recess is located behind the vehicle seat when in use. The vehicle seat is provided with a link member that connects the rear portion of the seat cushion and the floor and that functions as a rear leg. The link is rotatably connected to the rear portion of the seat cushion at one end side, with the axis in the vehicle width direction. Further, the link is rotatably connected to the floor at the other end on the vehicle width direction as an axis. At the time of storage, the seat back is laid down on the seat surface of the seat cushion and overlapped, and then one end side and the other end side of the link are respectively rotated. As a result, the vehicle seat is stored in the storage recess with the seat cushion turned upside down.

JP, 2001-328473, A

  In such a seat storage structure, in order to effectively utilize the space in the vehicle compartment, it is desirable to provide the storage recess so as to be closer to the vehicle seat in a position where it can be seated as much as possible. In the vehicle seat described in Patent Document 1, the seat cushion rotates about the other end side of the link during storage and moves rearward according to the length of the link member, so that the storage recess is set to the length of the link member. It is difficult to allow the storage recess to approach the vehicle seat at a position where it can be seated. Further, when the link member is shortened, the height of the seat cushion from the floor becomes low, which makes it difficult to sit down.

  In view of the above background, the present invention includes a vehicle seat and a storage recess provided on one side in the front-rear direction of the vehicle seat at a position where it can be seated on the floor, and is capable of seating a vehicle seat. An object of the present invention is to bring a storage recess into proximity to a vehicle seat in a seated position in a seat storage structure that can be displaced between a position and a storage position that is inverted from a use position and stored in a storage recess.

  In order to solve the above problems, one aspect of the present invention is a seat storage structure (S), which is connected to a floor (3) that defines a vehicle compartment (2) via pivot links (12, 112). The vehicle seat (1, 101) including the seat cushion (4, 104) and the vehicle seat that is formed on the floor in one of the front and rear directions of the vehicle seat in the seatable position, and is capable of accommodating the vehicle seat. An accommodating recess (15, 115), the pivot link being pivotally supported so as to be slidable forward and backward with respect to the seat cushion and tiltable forward and backward with respect to the seat cushion; Has a lower end pivotably supported in the front-back direction so as to be tiltable in the front-rear direction, and selectively restricts the tilting of the turning link between the turning link and the floor. Regulation means (42, 142) is provided And wherein the door.

  According to this aspect, the upper end of the rotation link is connected to the seat cushion so as to be tiltable forward and backward and slidable forward and backward, and the lower end is connected to the floor so as to be tiltable forward and backward. As a result, when the seat cushion is tilted in one of the front and rear directions about the lower end of the rotation link to store the vehicle seat in the storage recess, the upper end of the rotation link slides in the other front and rear direction of the seat cushion. By moving the seat cushion, the seat cushion can be moved to the lower end side of the rotation link. Due to this movement, when the seat cushion is inverted, the seat cushion is located on the other side in the front-rear direction, and therefore the storage recess can be brought close to the vehicle seat in the seated position.

  In the above aspect, the seat cushion may be provided with a guide hole (33) extending in the front-rear direction, and a pin (34) penetrating the guide hole may be provided at an upper end of the rotation link. .

  According to this aspect, it is possible to connect the upper end of the rotation link to the seat cushion so as to be tiltable in the front-back direction and slidable in the front-back direction.

  Further, in the above aspect, it is preferable that the seat cushion includes a pair of left and right side frames (24) extending in the front-rear direction, and the guide hole is provided in the side frame.

  According to this aspect, the side frame forming the seat cushion is provided with the guide hole, and the upper end of the rotation link is coupled to the guide hole. As a result, a separate member is not required to connect the rotation link and the seat cushion, and the structure of the vehicle seat is simplified.

  Further, in the above aspect, the seat cushion has a pair of front and rear cross frames (25, 26) coupled to the left and right side frames, respectively, and is positioned on the other side in the front-rear direction. The cross frame is provided with a support member (11, 111) having an upper end pivotally supported so as to be tiltable in the front-back direction and a lower end removably coupled to the floor, and the upper end of the support member is the side member. It should overlap with the frame in side view.

  According to this aspect, the upper end of the support member is pivotally supported by the seat cushion so as to be tiltable back and forth. This allows the support member to be arranged along the back surface of the seat cushion by tilting the support member in one of the front-rear directions around the upper end thereof during storage. Therefore, the front leg does not project from the back surface of the seat cushion during storage, and the top surface of the stored vehicle seat can be made flatter. Also, the lower end of the support member is detachably coupled to the floor. Thus, by engaging the support member with the floor, the displacement of the seat cushion can be restricted during use, and by releasing the engagement between the support member and the floor, the support member can be tilted during storage. Further, since the upper end of the support member overlaps the side frame in the side view, the upper end of the support member does not project above and below the side frame in the side view, and the thickness of the seat cushion can be reduced.

  In the above aspect, the seat cushion has an upper end pivotally supported at the other end in the front-rear direction of the upper end of the pivot link and a lower end pivotally supported at the other end in the front-rear direction of the storage recess. However, it is preferable to have biasing means (38, 138) for generating a biasing force in the extension direction.

  According to this aspect, the seat cushion is urged by the urging member in the direction of separating from the floor. Therefore, when the support member is disengaged from the floor, the seat cushion is biased by the biasing member to rotate about the upper end of the pivot link. Accordingly, the seat cushion can be easily inverted, so that the vehicle seat can be stored in the storage recess more easily.

  In the above aspect, the upper end of the biasing means may be pivotally supported by the seat cushion at one of the upper and lower ends of the support member in the front-rear direction.

  According to this aspect, the upper end of the biasing means is located at one side of the upper end of the support member in the front-rear direction. The upper end of the support member is coupled to the other cross frame in the front-rear direction, and the upper end of the biasing means is provided on one side of the upper end of the support member in the front-rear direction. It is prevented from protruding. This can prevent the occupant from colliding with the urging member and enhance the design of the vehicle seat.

  Further, in the above aspect, the lower end of the urging means may be pivotally supported on the edge of the storage recess on the other side in the front-rear direction on the other side in the front-rear direction of the lower end of the rotation link.

  According to this aspect, the lower end of the biasing member is provided on the other side in the front-rear direction as compared with the lower end of the rotating link located at the edge portion on the other side in the front-rear direction of the storage recess. As a result, the lower end of the biasing member is prevented from protruding into the storage recess, and the design of the vehicle seat is enhanced.

  Further, in the above aspect, the seat cushion may be provided with a viscous and / or elastic damper (55) that suppresses movement of the pin in the guide hole in the other of the front and rear directions.

  According to this aspect, the damper that reduces the moving speed of the upper end of the rotation link in the other front-rear direction with respect to the seat cushion is provided. By providing this damper, it is possible to reduce the moving speed of the seat cushion toward the lower end side of the rotation link during storage. Therefore, the fall speed of the seat cushion is prevented from increasing, and the safety of the seat storage structure is enhanced.

  In the above aspect, it is preferable that the turning link substantially completely overlaps the seat cushion in a side view when the vehicle seat is stored in the storage recess.

  According to this aspect, when the vehicle seat is stored in the storage recess, the rotation link substantially completely overlaps the seat cushion in a side view. As a result, when the vehicle seat is stored in the storage recess, the rotation link can be prevented from protruding from the back surface of the seat cushion, and the upper surface of the vehicle seat stored in the storage recess can be made flatter. can do.

  Further, in the above-mentioned aspect, it is preferable that the lower end of the rotary link is pivotally supported on the floor via a bracket (36) fixed to a wall defining the storage recess.

  According to this aspect, by providing the bracket, the lower end of the rotation link can be easily pivoted on the wall defining the storage recess.

  Further, in the above aspect, the vehicle seat includes a seat back (5) pivotally supported at a rear end of the seat cushion so as to be able to move forward, and a headrest (6) provided at an upper end of the seat back. It is preferable that the storage recess includes a portion for storing the headrest.

  According to this aspect, the headrest can be stored in the storage recess.

  According to one aspect of the present invention, the seat storage structure is a seat storage structure, and a vehicle seat including a seat cushion linked to a floor defining a vehicle compartment via a rotation link, and a seatable position. A vehicle seat has a storage recess formed in the floor in one of the front-rear direction and capable of storing the vehicle seat, and the rotation link is slidable back and forth within a predetermined range with respect to the seat cushion. Has a top end pivotally supported, and a bottom end pivotally supported forward and backward at an edge portion on the other side in the front-rear direction of the storage recess, between the rotation link and the floor, According to the configuration in which the restricting means for selectively restricting the tilting of the turning link is provided, the upper end of the turning link is joined to the seat cushion so as to be able to tilt forward and backward and slidable forward and backward, and the lower end is Can be tilted back and forth on the floor It is. As a result, when the seat cushion is tilted in one of the front and rear directions about the lower end of the rotation link to store the vehicle seat in the storage recess, the upper end of the rotation link slides in the other front and rear direction of the seat cushion. By moving the seat cushion, the seat cushion can be moved to the lower end side of the rotation link. Due to this movement, when the seat cushion is inverted, the seat cushion is located on the other side in the front-rear direction, so that the storage recess can be brought closer to the vehicle seat in the seated position.

  Further, in the above aspect, according to the configuration in which the seat cushion is provided with the guide hole extending in the front-rear direction and the pin that penetrates the guide hole is provided at the upper end of the turning link, the upper end of the turning link is The seat cushion can be joined to the seat cushion so that the seat cushion can be tilted back and forth and can be slid back and forth.

  Further, in the above aspect, the seat cushion includes a pair of left and right side frames extending in the front-rear direction, and the guide hole is provided in the side frame, whereby the side frame forming the seat cushion has the guide hole. The upper end of the rear leg is connected to the guide hole. Accordingly, a separate member is not required to connect the rear leg and the seat cushion, and the structure of the vehicle seat is simplified.

  Further, in the above aspect, the seat cushion has a pair of front and rear cross frames coupled to the left and right side frames, respectively, and tilts forward and backward with respect to the cross frame located on the other side in the front-rear direction. A support member having an upper end pivotably supported and a lower end removably coupled to the floor is provided, and the upper end of the support member overlaps the side frame in a side view. The upper end is pivotally supported on the seat cushion so as to be tiltable back and forth. This allows the support member to be arranged along the back surface of the seat cushion by tilting the support member in one of the front-rear directions around the upper end thereof during storage. Therefore, the front leg does not project from the back surface of the seat cushion during storage, and the top surface of the stored vehicle seat can be made flatter. Also, the lower end of the support member is detachably coupled to the floor. Thus, by engaging the support member with the floor, the displacement of the seat cushion can be restricted during use, and by releasing the engagement between the support member and the floor, the support member can be tilted during storage. Further, since the upper end of the support member overlaps the side frame in the side view, the upper end of the support member does not project above and below the side frame in the side view, and the thickness of the seat cushion can be reduced.

  Further, in the above aspect, the seat cushion has an upper end pivotally supported at the other end in the front-rear direction of the upper end of the rotation link and a lower end pivotally supported at the other end in the front-rear direction of the storage recess. According to the configuration including the biasing unit that generates the biasing force, the biasing member biases the seat cushion in the direction of separating from the floor. Therefore, when the support member is disengaged from the floor, the seat cushion is biased by the biasing member to rotate about the upper end of the pivot link. Accordingly, the seat cushion can be easily inverted, so that the vehicle seat can be stored in the storage recess more easily.

  Further, in the above aspect, the upper end of the biasing means is pivotally supported by the seat cushion on one side of the upper end of the support member in the front-back direction. Located on one side. The upper end of the support member is coupled to the other cross frame in the front-rear direction, and the upper end of the biasing means is provided on one side of the upper end of the support member in the front-rear direction. It is prevented from protruding. This can prevent the occupant from colliding with the urging member and enhance the design of the vehicle seat.

  In the above aspect, the lower end of the urging means is pivotally supported on the edge of the storage recess on the other side in the front-rear direction on the other side in the front-rear direction of the lower end of the rotating link. The lower end of the biasing member is provided on the other side in the front-rear direction as compared with the lower end of the rotary link located on the edge portion on the other side in the front-rear direction of the housing recess. As a result, the lower end of the biasing member is prevented from protruding into the storage recess, and the design of the vehicle seat is enhanced.

  Further, in the above aspect, according to the configuration in which the seat cushion is provided with the viscous and / or elastic damper that suppresses the movement of the pin in the guide hole in the other front-rear direction, the seat at the upper end of the rotation link is provided. A damper is provided to reduce the moving speed of the cushion in the other front-rear direction. By providing this damper, it is possible to reduce the moving speed of the seat cushion toward the lower end side of the rotation link during storage. Therefore, the fall speed of the seat cushion is prevented from increasing, and the safety of the seat storage structure is enhanced.

  Further, in the above aspect, when the vehicle seat is stored in the storage recess, the rotation link substantially completely overlaps the seat cushion in a side view. When stored in the storage recess, the pivot link substantially overlaps the seat cushion in side view. As a result, when the vehicle seat is stored in the storage recess, the rotation link can be prevented from protruding from the back surface of the seat cushion, and the upper surface of the vehicle seat stored in the storage recess can be made flatter. can do.

  Further, in the above aspect, according to the configuration in which the lower end of the rotation link is pivotally supported on the floor via the bracket fixed to the wall defining the storage recess, the storage recess is defined by providing the bracket. The lower end of the rotation link can be easily pivoted on the wall.

  Further, in the above aspect, the vehicle seat includes a seat back pivotably supported at a rear end of a seat cushion and a headrest provided at an upper end of the seatback, and the storage recess accommodates the headrest. According to the configuration including, the headrest can be stored in the storage recess.

1 is a perspective view of a vehicle seat according to the present invention. Perspective view of front leg, rear leg, and seat cushion frame of the right vehicle seat Side view of vehicle seat in use position Explanatory drawing for explaining the displacement of the vehicle seat from the use position to the storage position Explanatory drawing for explaining the displacement of the vehicle seat from the use position to the storage position Explanatory drawing for explaining the displacement of the vehicle seat from the use position to the storage position Explanatory drawing for explaining the displacement of the vehicle seat from the use position to the storage position Side view of vehicle seat in stowed position Bottom view of seat cushion for right vehicle seat Explanatory drawing which shows the modification of a vehicle seat. Side view showing a modified example of the vehicle seat Side view showing a modified example of the vehicle seat

  Hereinafter, a seat storage structure according to an embodiment of the present invention will be described with reference to the drawings. Hereinafter, the directions will be described with reference to the front-rear, left-right, and up-down directions of the vehicle.

  The seat storage structure S is applied to a vehicle seat 1 mounted on an automobile. As shown in FIG. 1, two vehicle seats 1 are arranged side by side in a vehicle width direction, that is, in a left-right direction on a floor 3 that defines a bottom portion of a vehicle compartment 2 of an automobile. When used, the vehicle seats 1 form the rear seats of the second and subsequent rows of the vehicle. The vehicle seat includes a seat cushion 4 that supports a seated person's buttocks, a seat back 5 that is supported by a rear portion of the seat cushion 4 and functions as a backrest, and a headrest 6 that is provided above each seat back 5. Have.

  In this embodiment, the two vehicle seats 1 arranged in the vehicle width direction have different lengths in the vehicle width direction. The ratio of the length of the left vehicle seat 1 in the vehicle width direction to the length of the right vehicle seat 1 in the vehicle width direction is set to be approximately 4: 6. The seat cushion 4 of the left vehicle seat has a seating surface 9 for two occupants on its upper surface, and the seat cushion 4 of the right vehicle seat has a seating surface 9 for one passenger on its upper surface. There is.

  The seat cushions 4 are connected to the floor 3 via front legs 11 (support members) and rear legs 12 (rotation links), respectively. The front legs 11 are respectively coupled to the front portion of the lower surface of the seat cushion 4, and the rear legs 12 are respectively coupled to the rear portion of the lower surface of the seat cushion 4. A pair of front legs 11 and rear legs 12 are provided on the left and right sides of the vehicle seat 1 on the left side. The vehicle seat 1 on the right side is provided with one front leg 11 and a pair of left and right rear legs 12. As shown in FIG. 2, in the vehicle seat 1 on the right side, the front leg 11 is joined to the front portion of the seat cushion 4 and to the substantially central portion in the left-right direction. The left rear leg 12 is connected to the rear portion of the seat cushion 4 and the left side portion, and the right rear leg 12 is connected to the rear portion of the seat cushion 4 and the right side portion.

  As shown in FIG. 1, the seat back 5 extends in the vertical direction and has a substantially rectangular parallelepiped shape having a surface facing in the substantially front-back direction. A support surface 14 that supports the back of the seated person is formed on the front surface of the seat back 5. The seat back 5 is rotatably supported at the lower end thereof by a known reclining mechanism at the rear end of the seat cushion 4. That is, the seat backs 5 are connected to the rear ends of the seat cushions 4 at their lower ends so as to be able to move forward and backward.

  In the vehicle seat 1 on the left side, two headrests 6 are provided side by side at the upper end of the seatback 5. The vehicle seat 1 on the right side is provided with one headrest 6 at the upper end of the seatback 5. The headrests 6 are preferably coupled to the seatback 5 so as to be slidable in a substantially vertical direction.

  The floor 3 is provided with a storage recess 15 that is recessed downward in the rear portion of the vehicle seat 1 when in use. The storage recess 15 has a substantially rectangular shape extending in the vehicle width direction in a top view, and is defined by a bottom wall 16, a front wall 17, a rear wall 18, and left and right walls. As shown in FIG. 2, a step portion 17A protruding rearward may be formed at the lower end of the front wall 17.

  The seat storage structure S includes the vehicle seat 1 and the storage recess 15, and has a function of storing the vehicle seat 1 in the storage recess 15 as necessary. More specifically, due to the seat storage structure S, the vehicle seat 1 can be used at each seatable position (see FIG. 3) and the storage position where the seat cushion 4, the seat back 5, and the headrest 6 are stored in the storage recess 15 ( (See FIG. 8) and can be selectively displaced. In the present embodiment, the displacement of the vehicle seat 1 from the use position to the storage position is performed when the operation strap 19 (see FIG. 1) provided on the lower side of the seat cushion 4 is pulled to the outside of the vehicle seat 1. Is configured to be done.

  As shown in FIG. 3, when the vehicle seat 1 is in the use position, the seating surface 9 of the seat cushion 4 faces upward to support the buttocks of the seated person, and the support surface 14 of the seat back 5 is the back of the seated person. To face the front to support. As shown in FIG. 8, when the vehicle seat 1 is in the storage position, the seat back 5 is rotated rearward by about 90 degrees from when it is in the use position. As a result, the support surface 14 faces upward. The seat cushion 4 is turned upside down by rotating backward about 180 degrees from the use position. As a result, the seating surface 9 faces downward. The seat back 5 is located below the seat cushion 4, and the seat back 5 and the seat cushion 4 are vertically stacked. At this time, the support surface 14 and the seating surface 9 face each other vertically.

  Next, the sheet storage structure S will be described in more detail. Since the vehicle seat 1 on the left side has substantially the same structure as the vehicle seat 1 on the right side, the vehicle seat 1 on the right side will be described below with reference to FIGS. 2, 3, and 9. In the following, the direction will be described with reference to when the vehicle seat 1 is in the use position.

  The seat cushion 4 has a seat cushion frame 20 as a skeleton, a pad member supported by the seat cushion frame 20, and a skin member that is provided on the surface of the pad member and forms an outer surface of the seat cushion 4.

  As shown in FIG. 2, the seat cushion frame 20 forms the skeleton of the seat cushion 4, and has a substantially rectangular frame-shaped seat cushion frame frame portion 21 and a pan arranged inside the seat cushion frame frame portion 21. And a frame 22. The seat cushion frame frame portion 21 includes a pair of left and right side frames 24, and a front frame 25 and a rear frame 26 that extend left and right and are coupled to the left and right side frames 24, respectively. The front frame 25 and the rear frame 26 each correspond to a cross frame that connects the left and right side frames 24. The front frame 25 is connected to the front parts of the left and right side frames 24 at both ends, and the rear frame 26 is connected to the rear parts of the left and right side frames 24 at both ends. The front frame 25 and the rear frame 26 are arranged so as to form a pair in the front and rear. In the present embodiment, the pan frame 22 has a front frame 25 and a plate-shaped bracket 22A connecting the upper portions of the left and right side frames 24, a front end hooked to the bracket 22A, and a rear end joined to the rear frame 26. It is formed by the wire 22B. However, the pan frame 22 is not limited to this configuration, and for example, one end is coupled to the front frame 25, the other end is coupled to the rear frame 26, and the pan frame 22 is bridged between the front frame 25 and the rear frame 26. It may be constituted by a wire.

  The front frame 25 is formed of a metal pipe member, and is fixed to the side frames 24 by welding at both left and right ends. A bracket 28 is welded to the rear side surface of the front frame 25 at a substantially central portion in the left-right direction. The bracket 28 is a bent sheet metal member, and has a substantially U-shape that opens upward when viewed from the front.

  The front leg 11 has a substantially rectangular shape in a side view, and is arranged so as to extend in the vertical direction when the vehicle seat 1 is in the use position. As shown in FIG. 2, in this embodiment, the front leg 11 includes a pair of left and right metal plate members. The front leg 11 is connected to the bracket 28 at one end (upper end) in the extending direction. More specifically, a rotation shaft 29 that is rotatable around an axis extending in the vehicle width direction is provided at the lower end portion of the bracket 28. The upper ends of the front legs 11, that is, the upper ends of the left and right plate members, are respectively coupled to the rotation shaft 29. Accordingly, one end (upper end) of the front leg 11 is pivotally supported by the seat cushion frame 20 so as to be rotatable about an axis extending in the vehicle width direction, that is, tiltable forward and backward.

  As shown in FIGS. 1 and 2, a front latch 30 is provided at the other end (lower end) of the front leg 11. In the present embodiment, the front latch 30 is provided between the left and right plate members that form the front leg 11, and is coupled to the left and right plate members at both left and right side portions thereof. A front striker 31 is fixed to the floor 3 at a position corresponding to the lower end of the front leg 11 when the vehicle seat 1 is in the use position. The front latch 30 can be engaged with and disengaged from the front striker 31, so that the other end (lower end) of the front leg 11 can be engaged with and disengaged from the floor 3.

  As shown in FIG. 2, the left and right rear legs 12 are provided symmetrically on both left and right sides of the vehicle seat 1. The left and right rear legs 12 are metal members and each have a plate shape having a main surface facing the vehicle width direction. The left and right rear legs 12 each have a substantially rectangular shape in a side view, and are arranged so as to extend in a substantially vertical direction when the vehicle seat 1 is in a use position. The left and right rear legs 12 are respectively coupled to the side frames 24 at one end (upper end) in the extending direction. More specifically, as shown in FIG. 2, the left and right side frames 24 are each formed of a sheet metal member, and include a plate-shaped main portion 24A having a main surface facing the vehicle width direction and extending in the front-rear direction. . The main portion 24A of the side frame 24 is provided with an elongated hole-shaped guide hole 33 that penetrates in the vehicle width direction and extends in the extending direction (front-rear direction) thereof. One end (upper end) of the rear leg 12 is fixed to a pin 34 that passes through the guide hole 33. The pin 34 is slidable along the extending direction of the guide hole 33, and is supported by the side frame 24 so as to be rotatable about an axis extending in the vehicle width direction. As a result, the upper ends of the rear legs 12 are slidable forward and backward within a predetermined range (the range in which the guide holes 33 are formed) with respect to the side frame 24, and rotate about an axis extending in the vehicle width direction. It is pivotally supported so that it can be tilted back and forth. Further, in the present embodiment, the side frame 24 is provided with a bent portion 24B that is bent toward the inside of the vehicle seat 1 along the edge of the main portion 24A in order to increase its rigidity.

  As shown in FIG. 3, the upper ends of the front legs 11 and the side frames 24 overlap each other in a side view. As a result, the upper ends of the front legs 11 do not project above and below the side frame 24 in a side view. Therefore, the bracket 28 can be configured to overlap the side frame 24 in a side view, and the thickness of the seat cushion 4 can be reduced. More specifically, in the present embodiment, the rotating shaft 29 is provided at a position overlapping the guide hole 33 in a side view.

  As shown in FIGS. 2 and 3, a bracket 36 is fixed to the front edge of the storage recess 15. The bracket 36 is connected to the wall surface of the front wall 17, more specifically, the vertical portion 36A connected to the rear surface of the step portion 17A, and extends rearward along the bottom wall 16 from the lower end of the vertical portion 36A and is connected to the bottom wall 16. It includes a horizontal portion 36B and a pair of left and right side wall portions 36C extending rearward and upward from the left and right side portions of the vertical portion 36A. In the present embodiment, the bracket 36 is formed by welding a sheet metal member forming the vertical portion 36A and the horizontal portion 36B and two sheet metal members forming each of the side wall portions 36C.

  As shown in FIG. 2, each of the rear legs 12 is pivotally supported at the other end (lower end) in the extending direction on the corresponding side wall portion 36C so as to be rotatable about the vehicle width direction as an axis, that is, tiltable back and forth. ing. By thus providing the bracket 36 on the front edge of the storage recess 15, the lower end of the rear leg 12 can be easily pivoted on the front edge of the storage recess 15.

  A gas damper 38 is provided between the side frame 24 and the bracket 36. The gas damper 38 includes a cylindrical main body portion 38A extending substantially vertically and a pair of arm portions 38B extending from opposite end surfaces in the extending direction of the main body portion 38A in opposite directions along the extending direction. There is. The gas damper 38 functions as an urging unit that generates an urging force in the extending direction, that is, the extending direction. Further, the gas damper 38 is configured such that when a force equal to or greater than a predetermined value is applied in the compression direction, the arm portion 38B is housed inside the main body portion 38A, so that the length in the extending direction becomes shorter according to the force. It is good to have One end (upper side) of the arm portion 38B is rotatably supported about the center of the left side frame 24 in the front-rear direction so as to be rotatable about the vehicle width direction. The end portion of the arm portion 38B on the other side (lower side) is the side wall portion 36C on the left side of the bracket 36, and in the vehicle width direction in front of the connecting portion (the lower end of the rear leg 12) of the rear leg 12 and the side wall portion 36C. It is rotatably supported about the axis. As a result, one end (upper end) of the gas damper 38 is rotatably supported about the vehicle width direction at a substantially central portion of the side frame 24, that is, behind the upper end of the front leg 11 and in front of the upper end of the rear leg 12. . At this time, the other end (lower end) of the gas damper 38 is the front edge of the storage recess 15 and is rotatably supported forward of the lower end of the rear leg 12 with the axis in the vehicle width direction. In the present embodiment, the gas damper 38 is connected to the left side frame 24 and the left side wall portion 36C, but the gas damper 38 may be connected to the right side frame 24 and the right side wall portion 36C.

  A rear latch 40 is provided on the right rear leg 12 at a substantially central portion in the extending direction. A rear striker 41 extending toward the rear latch 40 is coupled to the upper end of the front wall 17 of the storage recess 15. The rear latch 40 and the rear striker 41 can be engaged and disengaged, and the rear latch 40 and the rear striker 41 are engaged with each other, whereby the rearward tilting of the rear leg 12 around the lower end is restricted. That is, between the rear leg 12 and the floor 3, the rear latch 40 and the rear striker 41 constitute the regulating means 42 that selectively regulates the rearward tilting of the rear leg 12. In the present embodiment, the restricting means 42 for restricting the rearward tilting of the rear leg 12 is composed of the rear latch 40 and the rear striker 41, but the restricting means 42 is not limited to this and may be changed as appropriate.

  As shown in FIG. 9, one front leg accommodation recess 45 and a pair of left and right rear leg accommodation recesses 46 are provided on the lower surface (back surface) of the seat cushion 4. The front leg accommodating recess 45 is a recess that is recessed upward, and is provided substantially at the center of the seat cushion 4 in the lateral direction. At the front part of the front leg accommodation recess 45, the lower end of the bracket 28 projects downward from the bottom surface (upper surface) of the front leg accommodation recess 45. The front leg accommodating recess 45 extends rearward from the front side of the lower end of the bracket 28 and reaches the substantially central portion of the seat cushion 4. The rear leg accommodating recesses 46 are recesses that are recessed upward, and are provided at positions vertically aligned with the side frames 24, respectively. Each of the rear leg accommodation recesses 46 extends from the front portion of the seat cushion 4 to the rear edge thereof. The guide hole 33 is located inside the rear leg accommodation recess 46 in a top view. The lower portions of both side frames 24 project downward from the bottom surface (upper surface) of the rear leg accommodation recess 46, and the guide hole 33 is exposed inside the rear leg accommodation recess 46. The lower portions of both side frames 24 including the guide holes 33 and the upper ends of the rear legs 12 are housed in the rear leg housing recesses 46, respectively.

  Next, the operation of the sheet storage structure S will be described with reference to FIGS. When the vehicle seat 1 is in the use position, when the operation strap 19 (FIG. 1) is pulled outward, the seat back 5 rotates forward around its lower end (arrow in FIG. 3). As a result, the seat back 5 is tilted forward and is superimposed on the upper side of the seat cushion 4 (two-dot chain line in FIG. 3). When the seat back 5 is tilted forward, the headrest 6 is also tilted forward together with the seat back 5, and is overlapped with the seat back 5 on the upper side of the seat cushion 4. Hereinafter, the seat cushion 4, the seat back 5, and the headrest 6 that are overlapped with each other will be referred to as a folding seat 50 (see FIG. 4).

  Then, the engagement between the front latch 30 and the front striker 31 is released. As a result, as shown in FIG. 4, the substantially central portion of the folding sheet 50 in the front-rear direction is urged by the gas damper 38 in a direction away from the floor 3, that is, upward. The folding sheet 50 is rotated around the upper ends of the rear legs 12 by the urging force of the gas damper 38, and the front ends thereof are lifted upward (arrows in FIG. 4). That is, the rear leg 12 functions as a rotation link for rotating the folding sheet 50. Further, as shown in FIG. 3, the front leg 11 is interposed between the seat cushion 4 and the floor 3, and functions as a support member that supports the seat cushion 4 when an occupant is seated.

  When the front end of the folding sheet 50 is lifted upward, the folding sheet 50 slides diagonally rearward according to gravity, as shown in FIG. At this time, the front leg 11 is rotating toward the lower surface (back surface) of the seat cushion 4 around the upper end of the seat cushion 4 as a center.

  When the front end of the folding sheet 50 is further lifted up by the gas damper 38, the folding sheet 50 assumes a posture in which it is rotated approximately 90 degrees rearward from the position shown in FIG. 3, as shown in FIG. At this time, the folding sheet 50 slides with respect to the upper ends of the rear legs 12 due to gravity, and moves toward the lower end side of the rear legs 12, that is, downward. As a result, the gas damper 38 is compressed, and its overall length becomes shorter than when it is shown in FIG. 3 (when the vehicle seat 1 is in the use position).

  Next, the engagement between the rear latch 40 and the rear striker 41 is released. When the engagement between the rear latch 40 and the rear striker 41 is released, the rear leg 12 rotates rearward about the lower end, as shown in FIG. 7. As a result, as shown in FIG. 8, the folding sheet 50 is turned upside down and stored in the storage recess 15. At this time, the vehicle seat 1 is in the storage position.

  When the vehicle seat 1 is in the storage position, the seat cushion 4, the seat back 5, and the headrest 6 are stored in the storage recess 15 in a stacked state. That is, the storage recess 15 includes portions for respectively storing the seat cushion 4, the seat back 5, and the headrest 6, and is configured to be able to store the seat cushion 4, the seatback 5, and the headrest 6.

  Further, when the vehicle seat 1 is at the storage position, the front leg 11 is rotated substantially 90 degrees toward the seat cushion 4 side about the upper end thereof and is stored in the front leg storage recess 45. The rear legs 12 each rotate rearward about the lower end by about 90 degrees, and are housed in the rear leg housing recess 46 together with the side wall portion 36C of the bracket 36. At this time, the gas damper 38 is also generally housed in the left rear leg housing recess 46. As a result, as shown in FIG. 8, the front leg 11, the rear leg 12, and the gas damper 38 are substantially completely overlapped with the seat cushion 4 in a side view, that is, they are substantially overlapped with each other in a side view. ing. This can prevent the front leg 11, the rear leg 12, and the gas damper 38 from projecting upward from the back surface of the seat cushion 4 when the vehicle seat 1 is stored in the storage recess 15. By preventing the front leg 11, the rear leg 12, and the gas damper 38 from projecting, the upper surface of the vehicle seat 1 housed in the housing recess 15 can be made flatter.

  When the vehicle seat 1 is in the storage position, the gas damper 38 urges the folding seat 50 rearward (direction of arrow in FIG. 8). Due to this biasing force, the folding sheet 50 is pressed against the rear wall 18 of the storage recess 15 and frictionally locked. As a result, rattling of the folding sheet 50 can be prevented.

  In order to displace the vehicle seat 1 from the storage position to the use position, first, the rear end of the folding seat 50 is lifted, and the folding seat 50 is rotated forward by about 90 degrees. Then, the rear latch 40 and the rear striker 41 are engaged. Further, the folding sheet 50 is pulled forward and upward, and is slid upward with respect to the upper ends of the rear legs 12 while being rotated forward by approximately 90 degrees. Next, the front latch 30 and the front striker 31 are engaged with each other to couple the front leg 11 to the floor 3. As a result, the seat cushion 4 is positioned such that its seating surface 9 faces upward. Then, the seat back 5 is rotated backward until the support surface 14 faces forward. As a result, the vehicle seat 1 is in the use position.

  Next, the effect of the sheet storage structure S will be described. As shown in FIG. 6, since the upper ends of the rear legs 12 are slidably coupled to the seat cushion 4 back and forth, when the folding seat 50 is rotated rearwardly, the folding seat 50 is moved back and forth. It is possible to move to the lower end side of. Due to this movement, the turning radius of the folding seat 50 becomes smaller than in the case where the upper ends of the rear legs 12 are not slidably coupled to the seat cushion 4. Therefore, when the folding sheet 50 is inverted, the position thereof is on the front side as compared with the case where the folding sheet 50 is not slidably coupled. This allows the storage recess 15 to be provided further forward.

  Each of the rear legs 12 is fixed at its upper end to a pin 34 that penetrates a guide hole 33 provided in the side frame 24. Accordingly, the upper ends of the rear legs can be coupled to the seat cushion 4 so as to be rotatable about the vehicle width direction (that is, tiltable forward and backward) and slidable forward and backward. Further, since the side frame 24 is provided with the guide hole 33, a separate member is not required to connect the rear leg 12 and the seat cushion 4, and the vehicle seat 1 can be simply configured.

  When the vehicle seat 1 is stored, the rear legs 12 rotate around their respective lower ends as shown in FIGS. 5 to 8 and are stored in the rear leg storage recesses 46 as shown in FIG. The front leg 11 rotates around the upper end as shown in FIGS. 5 to 8 when the vehicle seat 1 is stored, and is stored in the front leg storage recess 45 as shown in FIG. As a result, when the vehicle seat 1 is in the storage position, the front legs 11 and the rear legs 12 do not protrude from the back surface of the seat cushion 4, and the upper surface of the vehicle seat 1 in the storage position can be made flatter. .

  Further, the front latch 30 and the front striker 31 enable the front leg 11 to be engaged with and disengaged from the floor 3 at its lower end. When the vehicle seat 1 is in the use position, the front latch 30 and the front striker 31 engage with each other to restrict the movement of the seat cushion 4. When displacing the vehicle seat 1 from the use position to the storage position, the vehicle seat 1 can be stored by releasing the engagement between the lower end of the front leg 11 and the floor 3.

  When the engagement between the lower end of the front leg 11 and the floor 3 is released, the gas damper 38 urges the seat cushion 4 away from the floor 3, that is, upward, as shown in FIG. As a result, the folding seat 50 rotates around the upper ends of the rear legs 12, and the vehicle seat 1 is reversed and stored. As described above, by providing the gas damper 38, the vehicle seat 1 can be stored in the storage recess 15 more easily without lifting the seat cushion 4.

  Further, when the vehicle seat 1 is in the use position, the upper end of the gas damper 38 is located behind the upper end of the front leg 11, so that the upper end of the gas damper 38 does not project forward of the upper end of the front leg 11. This makes it difficult for the seated person's foot to hit the gas damper 38. Therefore, the foot of the seated person can be protected and the deformation of the gas damper 38 can be prevented. Further, since the lower end of the gas damper 38 is located in front of the lower end of the rear leg 12, it does not project rearward of the lower end of the rear leg 12. As a result, an object can be easily placed behind the vehicle seat 1, and the design of the vehicle seat 1 can be improved.

  Although the description of the specific embodiment is finished above, the present invention is not limited to the above-described embodiment and can be widely modified and implemented. For example, as shown in FIG. 10 (A), the seat cushion 4 may be provided with a damper 55 that suppresses the forward movement of the inside of the guide hole 33 of the pin 34. The damper 55 may be a viscous damper, an elastic damper, or a viscoelastic damper, and plays a role of reducing the moving speed of the upper end of the rear leg 12 to the front side of the seat cushion 4. By providing the damper 55, when the seat cushion 4 moves toward the lower end side of the rear leg 12, that is, toward the floor 3, its moving speed is reduced. As a result, the falling speed of the folding sheet 50 as shown in FIG. 6 is reduced, so that the folding sheet 50 can be prevented from falling suddenly and the safety of the sheet storage structure S can be improved.

  Further, in order to prevent the seat cushion 4 from wobbling when the vehicle seat 1 is in the use position, the side frame 24 has a lock that restricts the forward movement of the pin 34 when the pin 34 is at the rear end. Means 60 (FIG. 10 (A)) may be provided. Further, by providing an extension portion 62 (FIG. 10B) extending upward from the rear end of the guide hole 33 and fitting the pin 34 into the extension portion 62, the wobbling of the seat cushion 4 is prevented. You may prevent it.

  In the above embodiment, the seat cushion 4 is connected to the floor 3 by the front leg 11 and the rear leg 12, but the present invention is not limited to this mode. For example, as shown in FIG. 11, the seat cushion 4 may be connected to the floor 3 only by the rear legs. However, a lock mechanism 70 that engages and disengages with the seat cushion 4 may be provided on the floor 3 so that the seat cushion 4 does not rotate backward due to the urging force from the gas damper 38.

  In the above-described embodiment, the storage recess 15 is provided behind the vehicle seat 1 in the seated position, but the present invention is not limited to this aspect. The storage recess 15 may be provided on one side of the vehicle seat 1 in the seating position in the front-rear direction. For example, the storage recess 115 is provided on the front side (one of the front-rear direction) of the vehicle seat 101 in the seating position. Good. At this time, as shown in FIG. 12, the front leg 111 (rotating link) is pivotally supported so as to be slidable forward and backward with respect to the seat cushion 104 and tiltable forward and backward, and the storage recess. A rear edge portion 115 has a lower end pivotally supported so as to be tiltable in the front-rear direction, and a regulation means 142 that selectively regulates the tilting of the front leg 111 is provided between the front leg 111 and the floor 3. Good. At this time, similarly to the above-described embodiment, the pin 34 may be provided at the upper end of the front leg 111, and the pin 34 that penetrates the guide hole 33 may be provided in the side frame 24.

  At this time, the rear leg 112 (support member) is pivotally supported at the upper end by the rear frame 26 so as to be tiltable in the front-rear direction, and is detachably coupled to the floor 3 at the lower end, and the upper end of the rear leg 112 is laterally attached to the side frame 24. It should be visually overlapping. Further, similarly to the above-described embodiment, between the seat cushion 104 and the floor 3, the upper end pivotally supported behind the upper ends of the front legs 111 (on the other side in the front-rear direction) and the rear end of the storage recess 115 are pivotally supported. It is preferable that a gas damper 138 (biasing means) that has a closed lower end and that generates a biasing force in the extension direction is provided. At this time, the upper end of the gas damper 138 is pivotally supported by the seat cushion 104 in front of the upper end of the rear leg 112, and the lower end of the gas damper 138 is pivotally supported by the front edge of the storage recess 115 behind the lower end of the front leg 111. Good.

1: Vehicle seat 3: Floor 4: Seat cushion 5: Seat back 6: Headrest 11: Front leg (support member)
12: Rear leg (rotating link)
15: Storage recess 24: Side frame 25: Front frame (cross frame)
26: Rear frame (cross frame)
33: Guide hole 34: Pin 36: Bracket 38: Gas damper (biasing means)
42: Regulator 55: Elastic damper 101: Vehicle seat 104: Seat cushion 111: Front leg (rotation link)
112: Rear leg (support member)
115: Storage recess 138: Gas damper (biasing means)
142: Regulator S: Seat storage structure

Claims (11)

A vehicle seat including a seat cushion connected to a floor defining a passenger compartment via a rotation link,
Formed on the floor in one of the front and rear direction of the vehicle seat at a seatable position, and having a storage recess capable of storing the vehicle seat,
The pivot link is pivotally supported so as to be slidable forward and backward with respect to the seat cushion within a predetermined range and tiltable forward and backward, and forward and backward at an edge portion of the accommodation recess on the other side in the longitudinal direction. And a lower end pivotably supported,
A seat storage structure characterized in that a regulation means for selectively regulating tilting of the rotation link is provided between the rotation link and the floor. The seat cushion is provided with a guide hole extending in the front-rear direction,
The sheet storage structure according to claim 1, wherein a pin that penetrates the guide hole is provided at an upper end of the rotation link. The seat cushion includes a pair of left and right side frames extending in the front-rear direction,
The seat storage structure according to claim 2, wherein the guide hole is provided in the side frame. The seat cushion has a pair of front and rear cross frames coupled to each of the left and right side frames,
A support member having an upper end pivotally supported in a tiltable manner in the front-back direction and a lower end removably coupled to the floor is provided on the cross frame located on the other side in the front-rear direction.
The seat storage structure according to claim 3, wherein an upper end of the support member overlaps the side frame in a side view.   The seat cushion has an upper end pivotally supported on the other end in the front-rear direction of the upper end of the pivot link, and a lower end pivotally supported on the other edge in the front-rear direction of the storage recess, and a biasing force in the extension direction. The sheet storage structure according to claim 4, further comprising a biasing unit that generates   The seat storage structure according to claim 5, wherein an upper end of the biasing means is pivotally supported by the seat cushion at one of the upper and lower ends of the support member in the front-rear direction.   6. The lower end of the urging means is pivotally supported by the edge of the storage recess on the other side in the front-rear direction on the other side in the front-rear direction of the lower end of the rotating link. The seat storage structure according to Item 6.   The seat cushion is provided with a viscous and / or elastic damper that suppresses movement of the pin in the guide hole in the other of the front and rear directions. The seat storage structure according to one item.   9. When the vehicle seat is stored in the storage recess, the turning link substantially completely overlaps the seat cushion in a side view. The seat storage structure according to any one of items.   The seat storage structure according to any one of claims 1 to 9, wherein a lower end of the rotating link is pivotally supported on the floor via a bracket fixed to a wall defining the storage recess. .   The vehicle seat includes a seat back pivotably supported at a rear end of the seat cushion so as to be able to move forward, and a headrest provided at an upper end of the seatback, and the storage recess includes a portion for storing the headrest. The seat storage structure according to any one of claims 1 to 10.

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