JP6872477B2 - Retractable vehicle seat - Google Patents

Description

The present invention relates to retractable vehicle seats.

The following Patent Document 1 discloses a vehicle foldable seat device. This foldable seat device includes a seat cushion having a cushion frame to which a cushion storage mechanism is connected, and a seat back having a back frame to which a reclining mechanism is connected.
The cushion storage mechanism is configured to hold the cushion frame in a forward and upward tilted state when the seat cushion is in the used position, and hold the cushion frame in a substantially horizontal state when the seat cushion is in the stored position. The position of use is such that the occupant can sit on the seat cushion. Further, the storage position is lower than the use position and is set to the rear position, and is set to the position to expand the interior space of the vehicle.
On the other hand, the reclining mechanism is configured to be able to hold the back frame in each of the upright position and the prone position. The seat back moves from the upright position to the lying position in conjunction with the movement of the seat cushion from the used position to the retracted position. When in the laid-down position, the seat back is held in a substantially horizontal position.

Japanese Unexamined Patent Publication No. 2012-131289

In the foldable seat device, a penetrating portion is formed which extends slightly from the connecting portion between the cushion frame and the back frame to the front side of the seat and extends from the upper part to the lower part of the seat cushion. The penetrating portion is an L-shaped notch or a rectangular opening in a plan view. When the penetrating portion is formed, it is possible to avoid interference between the connecting portion and the seat cushion when the seat back moves from the upright position to the prone position.
However, in the foldable seat device, since the penetrating portion having a relatively large shape is formed, there is a concern that small items may fall below the seat cushion through the penetrating portion, and there is room for improvement. Further, since the seat cushion has a penetrating portion, there is room for improvement in terms of appearance.

In consideration of the above problems, the present invention provides a retractable vehicle seat capable of further improving the appearance of falling objects.

The retractable vehicle seat according to the first embodiment of the present invention has a cushion frame and a first skin covering the cushion frame, and is attached to the vehicle floor so that the cushion frame can be moved from the use position to the storage position on the lower side of the seat. It has a back frame and a second skin covering the back frame, and the lower end of the back frame is connected to the rear part of the cushion frame at the end in the width direction of the seat, and the standing position and the seat stand up against the seat cushion. A seat back that can rotate in the front-rear direction of the seat within the range of the lodging position where the cushion is laid down, and a penetrating portion that is arranged at the connecting portion between the lower end and the rear portion and penetrates from the upper part to the lower part of the seat cushion. It is provided with a lid portion that covers the upper part of the portion and is partially fixed to the first skin, and the shape can be flexibly changed according to the rotation of the seat back in the range between the upright position and the laid-down position.

The retractable vehicle seat according to the first embodiment includes a seat cushion and a seat back. The seat cushion has a cushion frame and a first skin covering the cushion frame, and the cushion frame is mounted on the vehicle floor so as to be movable from the use position to the storage position on the lower side of the seat. The seat back has a back frame and a second skin covering the back frame. At the end in the width direction of the seat, the lower end of the back frame is connected to the rear part of the cushion frame, and the seat back can rotate in the front-rear direction of the seat within the range of the standing position where the seat back stands up against the seat cushion and the down position where the seat cushion lies down. It is said that.

Here, the retractable vehicle seat further includes a penetrating portion and a lid portion. The penetrating portion is arranged at a connecting portion between the lower end portion of the back frame and the rear portion of the cushion frame, and penetrates from the upper portion to the lower portion of the seat cushion. By providing this penetrating portion, it is possible to effectively suppress or prevent interference between the connecting portion and the seat cushion when the seat back is moved from the standing position to the lying position.
Then, the lid portion covers the upper part of the penetrating portion, and a part of the lid portion is fixed to the first epidermis. The shape of the lid can be flexibly changed according to the rotation of the seat back in the range between the upright position and the laid position. Therefore, regardless of whether the seat cushion is in the used position or the retracted position, and whether the seat back is in the upright position or the prone position, the lid portion is used to close the penetrating part. Can be done. As a result, it is possible to effectively suppress or prevent, for example, small items from falling through the penetrating portion from the upper part to the lower part of the seat cushion.
In addition, since the penetrating portion and the connecting portion are covered with the lid portion, the appearance can be improved.

In the retractable vehicle seat according to the second embodiment of the present invention, in the vehicle seat according to the first embodiment, a part of the front side of the seat of the lid is fixed to the first skin, and the rear side of the seat of the lid is fixed. The other part is attached near the lower end via an elastic body.

According to the retractable vehicle seat according to the second embodiment, a part of the lid portion on the front side of the seat is fixed to the first skin of the seat cushion. On the other hand, the other part of the lid portion on the rear side of the seat is attached to the vicinity of the lower end portion of the back frame via an elastic body.
Therefore, since the other part of the lid portion can be pulled toward the back frame side by using the elastic body, most of the penetrating portion can be firmly covered. In addition, when the seat back moves from the inverted position to the upright position, the lid portion is stretched, and the occurrence of wrinkles on the lid portion and bias toward the front side of the seat can be reduced, so that the penetrating portion and the connecting portion look good. Can be improved.

In the retractable vehicle seat according to the third embodiment of the present invention, in the retractable vehicle seat according to the second embodiment, the elastic body has a strip shape with the front-rear direction of the seat as the longitudinal direction, and the front side of the seat of the elastic body. One end of the elastic body is fixed to the first skin together with a part of the lid, and the middle part of the elastic body in the front-rear direction of the seat is fixed to the other part of the lid.

According to the retractable vehicle seat according to the third embodiment, the elastic body has a strip shape with the front-rear direction of the seat as the longitudinal direction. Then, one end of the elastic body on the front side of the seat is fixed to the first skin together with a part of the lid, and the middle part of the elastic body in the front-rear direction of the seat is fixed to the other part of the lid.
Therefore, one end of the elastic body can be overlapped with the lid portion, and the elastic body can be used as a reinforcing member of the lid portion, so that the occurrence of wrinkles and bias of the lid portion is reduced and the appearance of the lid portion itself is improved. Can be improved.

In the retractable vehicle seat according to the fourth embodiment of the present invention, in the retractable vehicle seat according to the third embodiment, the lid portion is a tubular bag body having openings on the front side and the rear side of the seat, respectively. One end of the elastic body is arranged inside the bag body.

According to the retractable vehicle seat according to the fourth embodiment, the lid portion is formed in a tubular bag body having openings on the front side and the rear side of the seat, respectively. Then, one end of the elastic body is arranged inside the bag body.
Therefore, since the elastic body can be hidden inside the bag body of the lid portion, the appearance of the lid portion including the elastic body can be improved.

The retractable vehicle seat according to the fifth embodiment of the present invention further includes a side cover that covers the rear side surface portion in the seat width direction of the retractable vehicle seat according to the third embodiment or the fourth embodiment. , A support portion for supporting the intermediate portion of the elastic body is formed on the wall portion on the front side of the seat of the side cover.

According to the retractable vehicle seat according to the fifth embodiment, a side cover is further provided to cover the rear side surface portion on the outer side in the seat width direction. A support portion is formed on the wall portion on the front side of the seat of the side cover, and this support portion supports the intermediate portion of the elastic body.
Therefore, it is possible to effectively suppress or prevent the lid portion from hanging down on the rear side of the seat to improve the appearance of the lid portion.

According to the present invention, it is possible to provide a retractable vehicle seat capable of further improving the appearance of falling objects.

It is a perspective view which looked at the retractable vehicle seat which concerns on one Embodiment of this invention from the front side of a seat and a little above side outside in the seat width direction. It is an enlarged perspective view which enlarged with the intermediate part in the seat width direction of the retractable vehicle seat shown in FIG. 1 as a main part. It is a schematic side view which looked at the retractable vehicle seat shown in FIG. 1 from the outside in the seat width direction in the use state which the occupant can sit down. It is a schematic side view corresponding to FIG. 3 of the retractable vehicle seat shown in FIG. 1 in the retracted state (folded state). It is an enlarged perspective view corresponding to FIG. 2 which enlarged the main part of the retractable vehicle seat on the right side in the traveling direction of the vehicle shown in FIG. (A) is an enlarged cross-sectional view of the main part cut along the line AA shown in FIG. 5, and (b) is an enlarged cross-sectional view of the main part cut along the line BB shown in FIG. It is an enlarged side view which looked at the retractable vehicle seat shown in FIG. 5 from the outside in the seat width direction. 5 is an enlarged perspective view of the end portion of the retractable vehicle seat shown in FIGS. 5 and 7 in the seat width direction as viewed from the rear side of the seat and slightly above the inside in the seat width direction. It is an enlarged perspective view which further enlarged the main part of the retractable vehicle seat shown in FIG. FIG. 5 is an enlarged perspective view of a main part of the retractable vehicle seat shown in FIG. 5 in a used state, as viewed by slightly changing the angle toward the rear side of the seat. It is an enlarged perspective view of the retractable vehicle seat corresponding to FIG. 10 immediately after the start of the transition from the used state to the retracted state (from the standing state to the lying state). It is an enlarged perspective view of the retractable vehicle seat corresponding to FIG. 10 in the middle stage of transition from the used state to the retracted state. FIG. 5 is an enlarged perspective view of a retractable vehicle seat corresponding to FIG. 10 immediately before the end of the transition from the used state to the stored state. It is an enlarged perspective view of the retractable vehicle seat corresponding to FIG. 10 in the retracted state.

Hereinafter, the retractable vehicle seat according to the embodiment to which the present invention is applied will be described with reference to FIGS. 1 to 14. The retractable vehicle seat is used for the rear seat in the second row when the vehicle has two rows of seats in the front-rear direction of the vehicle in a hatchback type, one-box type, or the like. Further, when the retractable vehicle seats are provided with three rows of seats in the front-rear direction of the vehicle, they are adopted for at least one of the middle seats in the second row and the rear seats in the third row.
In the description of the present embodiment, in the drawings, the arrow FR appropriately indicated indicates the front direction of the seat, the arrow IN indicates the inside in the width direction of the seat, and the arrow UP indicates the upward direction of the seat. Here, the front direction of the seat, the inside in the width direction of the seat, and the top direction of the seat all correspond to the front direction of the vehicle, the inside of the width direction of the vehicle, and the top direction of the vehicle on which the retractable vehicle seat is mounted.
The application direction of the retractable vehicle seat is not limited to the present embodiment.

[Overall configuration of retractable vehicle seats]
As shown in FIG. 1, the retractable vehicle seat 10 according to the present embodiment is configured as a 6: 4 split foldable seat. The retractable vehicle seat 10 is not limited to this division ratio, and may be applied to, for example, a 5: 5 split foldable seat, a 4: 2: 4 split foldable seat, or the like.
The retractable vehicle seat 10 is arranged on the first retractable seat 12 as a right seat arranged on the right side in the seat width direction and on the left side in the seat width direction when viewed from the seated occupant in the traveling direction of the vehicle. It is provided with a second retractable seat 20 as a left seat. Further, the retractable vehicle seat 10 serves as an intermediate seat integrally formed between the first retractable seat 12 and the second retractable seat 20 on the right side of the second retractable seat 20 in the seat width direction. A third retractable seat 22 is provided. The first retractable seat 12, the second retractable seat 20, and the third retractable seat 22 are arranged side by side in a row in the seat width direction, and are mounted on the floor of a vehicle (not shown).

The first retractable seat 12 includes a seat cushion 14, a seat back 16 provided at the rear end of the seat of the seat cushion 14, and a headrest 18 mounted on the upper portion of the seat back 16.
The seat cushion 14 includes a cushion frame (not shown) forming the skeleton, a cushion pad provided on the upper portion of the cushion frame, and a skin 142 (first skin) covering the cushion frame and the cushion pad.
The seat back 16 includes a back frame (not shown) forming the skeleton, a cushion pad provided on the front side of the seat of the back frame, and a skin 162 (second skin) covering the seat back frame and the cushion pad. ..
The headrest 18 is composed of an adjustable type whose height can be adjusted or a fixed type whose height cannot be adjusted.
Each of the cushion frame and the back frame is provided with an elastic body (not shown) such as a spring that supports the cushion pad.

The first retractable seat 12 includes a reclining mechanism 32. The reclining mechanism 32 makes the seat back 16 rotatable at the lower end of the seat back 16 with the seat width direction as the rotation axis direction, and further makes it possible to adjust the rotation angle of the seat back 16 at an appropriate position when the occupant sits down. It is configured. The appropriate position for the seating of the occupant is, here, an upright position in which the seat back 16 stands up on the seat surface of the seat cushion 14.
Further, the reclining mechanism 32 is configured to construct a part of the storage mechanism 40, which will be described later, so that the seat back 16 can be rotated to a lodging position where the seat back 16 is laid down toward the front side of the seat. The seat back 16 rotated to the lying position overlaps the seat surface of the seat cushion 14 and is in a substantially horizontal state. That is, the reclining mechanism 32 is configured so that the seat back 16 can rotate within the range between the upright position and the prone position.

Like the first retractable seat 12, the second retractable seat 20 includes a seat cushion 24, a seat back 26, and a headrest 28. The seat cushion 24 includes a cushion frame and a cushion pad (not shown), and a skin 242 (first skin) that covers the cushion frame and the cushion pad. The seat back 26 includes a back frame and a cushion pad (not shown), and a skin 262 (second skin) that covers the back frame and the cushion pad. The headrest 18 is composed of an adjustable type or a fixed type.

The third retractable seat 22 includes a seat cushion 224 integrally formed with the seat cushion 24 of the second retractable seat 20, a seat back 226 integrally formed with the seat back 26, and a headrest 30. Has been done.

The second retractable seat 20 is provided with a reclining mechanism 34 common to the third retractable seat 22. Similar to the reclining mechanism 32, the reclining mechanism 34 has a configuration in which the seat back 26 can be rotated with the seat width direction as the rotation axis direction at the lower end portion of the seat back 26, and the rotation angle of the seat back 16 can be adjusted. Has been done.
Further, the reclining mechanism 34, like the reclining mechanism 32, constructs a part of the storage mechanism 40 described later, and is configured so that the seat back 26 can rotate within the range of the standing position and the lying down position.

FIG. 3 shows the first retractable seat 12 in a used state (used position) in which the occupant can sit. In the retractable vehicle seat 10, the retracting mechanism and the retracting operation of the first retractable seat 12 are the same as the retracting mechanism and the retracting operation of the second retractable seat 20 (and the third retractable seat 22). Therefore, in the present embodiment, the storage mechanism and the storage operation of the first retractable sheet 12 will be described, and the description of the storage mechanism and the storage operation of the second retractable sheet 20 will be omitted.
As shown in FIG. 3, the first retractable sheet 12 includes a retractable mechanism 40. The storage mechanism 40 includes a link 42, a connecting portion 44, and a reclining mechanism 32.

The link 42 is formed of a metal plate material or a resin plate material whose longitudinal direction is the vertical direction of the sheet. In the case of a slide seat type in the front-rear direction of the seat, one end of the link 42 on the lower side of the seat is rotatably mounted on a slider that slides on the seat rail with the seat width direction as the rotation axis direction. The seat rail is fixed to the vehicle floor.
Further, in the case of a fixed type instead of a slide seat type, one end of the link 42 is rotatably mounted on the vehicle floor with the seat width direction as the rotation axis direction. Each of the slider and the vehicle floor is simply illustrated as a seat support portion 46 in FIGS. 3 and 4.
The other end of the link 42 on the upper side of the seat is rotatably mounted on the front portion of the cushion frame (not shown) with the seat width direction as the rotation axis direction.
Here, one link 42 is arranged inside the cushion frame in the seat width direction. The links 42 may be arranged in pairs at both ends of the cushion frame in the seat width direction, for example.

The connecting portion 44 is an end portion of the seat back 16 in the seat width direction, and is integrally or integrally formed with the back frame at the lower end portion of the seat back 16, and projects from the front side of the back frame toward the front of the seat. It is configured. The connecting portion 44 is formed in an inverted L shape when viewed from the seat width direction. The protruding tip of the connecting portion 44 is rotatably mounted at the rear portion of the cushion frame with the seat width direction as the rotation axis direction.

The reclining mechanism 32 makes it possible to rotate the seat back 16 in the front-rear direction of the seat with respect to the seat cushion 14 by operating a reclining operation unit (not shown), and adjusts the rotation angle of the seat back 16 to the optimum angle of the backrest for the seating of the occupant. Make it adjustable. Then, the reclining mechanism 32 constructs a part of the storage mechanism 40.

FIG. 4 shows the first retractable sheet 12 that has been shifted from the used state to the stored state (storage position). More specifically, the reclining mechanism 32 is operated to rotate the seat back 16 from the standing position toward the seat surface of the seat cushion 14 in the direction of arrow D (front side of the seat). In conjunction with the rotational movement of the seat back 16, one end of the link 42 rotates in the direction of arrow C (the rear side of the seat and the lower side of the seat). When the seat back 16 is superposed on the seat surface of the seat cushion 14, this position is set as the inverted position of the seat back 16 and the storage position of the first retractable seat 12 including the seat cushion 14 and the seat back 16. To. In the stored state, the first retractable seat 12 is stored on the rear side of the seat and on the lower side of the seat with respect to the used state.
Here, the standing position is an arbitrary position within the range of rotational movement of the seat back 16 in which the angle of the backrest optimal for seating the occupant can be adjusted.

[Structure of penetration and lid]
As shown in FIGS. 1 to 5, in the seat cushion 14 of the first retractable seat 12, a penetrating portion 50 is arranged at a connecting portion between the rear portion of the seat cushion 14 and the lower end portion of the seat back 16.
More specifically, the penetrating portion 50 is arranged in the vicinity of the connecting portion 44 of the storage mechanism 40, in the front portion of the seat with respect to the connecting portion 44, and in the rear portion of the seat cushion 14. The first retractable seat 12 is provided with a penetration portion 50 on the left side when viewed from a seated occupant, which is inside in the seat width direction. The penetrating portion 50 penetrates from the upper portion of the seat cushion 14 on the seat surface side to the lower portion on the vehicle floor side, and is formed in an L-shaped notch in a plan view. Here, the planar shape (opening shape) of the penetrating portion 50 is L-shaped with the front-rear direction of the seat as the longitudinal direction as compared with the width direction of the seat. That is, in the seat width direction, the width dimension of the rear portion of the seat cushion 14 is made smaller than the width dimension of the front portion by disposing the penetrating portion 50. The penetrating portion 50 is configured to effectively suppress or prevent interference between the connecting portion 44 of the storage mechanism 40 and the rear portion of the seat cushion 14 when the seat back 16 is moved from the upright position to the prone position. ..

As shown in FIGS. 1 and 2, the penetration portion 50 is also arranged in the second retractable sheet 20. That is, the penetrating portion 50 is a connecting portion between the rear portion of the seat cushion 24 of the second retractable seat 20 and the lower end portion of the seat back 26, and is arranged in the vicinity of the connecting portion 44 of the storage mechanism 40. The second retractable seat 20 is provided with a penetrating portion 50 on the right side when viewed from a seated occupant, which is inside in the seat width direction. Since the second retractable sheet 20 and the third retractable sheet 22 are connected to each other, the penetrating portion 50 is arranged at an intermediate portion between the two, and has a rectangular shape with the front-rear direction of the sheet as the longitudinal direction in a plan view. It is formed as a through hole having an opening. The penetrating portion 50 of the second retractable sheet 20 has the same function as the penetrating portion 50 of the first retractable sheet 12.

Returning to the description of the first retractable sheet 12, as shown in FIGS. 1 to 5, a lid portion 60 is provided on the upper portion of the penetrating portion 50, and the penetrating portion 50 is covered by the lid portion 60. At least a part of the lid 60 on the front side of the seat is fixed to the seat cushion 14. In the present embodiment, the lid portion 60 is fixed to the front side and the side side of the seat along the L-shaped notch shape of the penetrating portion 50, and is L that matches the shape of the penetrating portion 50 in a plan view. It is fixed in a character shape.

More specifically, as shown in FIGS. 5, 6 (a) and 6 (b), the lid 60 includes a bag body 62, an elastic body 64, and a fixture 66. ..
The bag body 62 is formed by using a material whose shape can be flexibly changed according to the rotation of the seat back 16 in the range between the upright position and the inverted position. Here, the bag body 62 uses the same cloth, leather, or synthetic leather skin material as the skin 142, and the skin material is folded back in the seat width direction to form a tubular shape. The dimension of the bag body 62 in the front-rear direction of the sheet matches the dimension of the penetrating portion 50 in the same direction, and the dimension of the bag body 62 in the sheet width direction is folded back, so that the dimension of the penetrating portion 50 is doubled in the same direction. It is set. Therefore, the bag body 62 has an opening 62A on the front side of the seat and an opening 62B on the rear side of the seat. A cavity 62D is formed between the opening 62A and the opening 62B of the bag body 62. In the seat width direction, the side opposite to the folded portion of the bag body 62 (the rear side of the seat cushion 14) is the folded upper and lower two mating portions 62C.
As long as the bag body 62 is a material whose shape can be flexibly changed, a material different from the skin 142, for example, a material whose design is improved by contrast with the skin 142 may be used.

As shown in FIG. 6A, the opening 62A portion on the seat front side of the bag body 62 is sandwiched between the seat surface side portion and the side surface side portion of the skin 142, and is sewn together with the skin 142 in this portion. Is fixed by. As shown in FIG. 6B, the mating portion 62C portion on the seat width direction side of the bag body 62 is similarly sandwiched between the seat surface side portion and the side surface side portion of the epidermis 142, and the epidermis 142 of this portion. It is fixed by sewing S2 together with. Further, as shown in FIG. 6A, the opening 62B portion of the bag body 62 is folded inward and has a double structure by sewing S3.

As shown in FIG. 6A, the elastic body 64 is fixed to the other part of the lid portion 60 on the rear side of the seat, that is, the opening 62B portion of the bag body 62, and is near the lower end portion of the seat back 16. It is attached.
More specifically, the elastic body 64 is formed in a band shape with the front-rear direction of the seat as the longitudinal direction, and is configured to apply tension to the bag body 62. The elastic body 64 has oil resistance such as grease, and for example, a rubber material, a composite material in which rubber and threads are woven, or the like can be practically used. The seat front end 64A of the elastic body 64 is housed (arranged) inside the bag 62, that is, in the cavity 64D from the opening 62A to the opening 62B, and the most seat front end of the one end 64A is stored in the bag 62. It is sandwiched between the upper and lower parts and fixed together with the skin 142 by sewing S1. Here, as shown in FIG. 6B, the width dimension of the elastic body 64 in the sheet width direction is set to be smaller than half of the width dimension of the bag body 62, and is elastic in the cavity 64D. One end 64A of the body 64 is stored side by side in two rows.
When one end 64A of a plurality of rows including two rows is housed in the cavity 64D, the lid 60 can be further reinforced, but the one end 64A may be one row.

Returning to FIG. 6A, the seat rear end of the one end 64A of the elastic body 64 is fixed to the upper side of the bag 62 by sewing S3 at the opening 62B. From this sewing S3, the rear side of the seat is the intermediate portion 64B of the elastic body 64. The intermediate portion 64B is regarded as a main portion that applies tension to the other part of the lid portion 60.
One end 64A of the elastic body 64 is arranged in two rows in the seat width direction in the cavity 64D of the bag body 62, but as shown in FIGS. 5 and 7, the intermediate portion 64B of the elastic body 64 is before and after the seat. The seats are arranged in two rows in the vertical direction of the seat with the direction changed by about 90 degrees with the direction as the central axis direction. At least one intermediate portion 64B arranged on the upper side of the seat extends above the rotating shaft 32A of the reclining mechanism 32 and is supported by the rotating shaft 32A. Here, the rotation shaft 32A is located between the intermediate portions 64B arranged vertically. Since at least the upper intermediate portion 64B is supported by the rotating shaft 32A by a short span, the horizontal plane of the lid portion 60 can be easily formed.

As shown in FIGS. 6A and 8, the other end 64C is further formed on the rear side of the seat than the intermediate 64B of the elastic body 64, and the fixture 66 is fixed to the other end 64C. The fixing is performed by sewing S4. The fixture 66 is a metal or resin hook member here. The fixture 66 engages with an engaging portion 70A arranged on the rear side of the seat of the side cover 70 covering the side surface portion of the rear portion of the seat cushion 14 on the outer side in the seat width direction, specifically, the side surface portion of the reclining mechanism 32. It is installed. The engaging portion 70A is erected inward from the rear end of the side cover 70 in the seat width direction, and is recessed outward in the seat width direction at the rear wall edge portion having the thickness direction in the front-rear direction of the seat. It is formed in a notch shape. By engaging the fixture 66 with the engaging portion 70A, the fixture 66 can be firmly attached and the seat of the fixture 66 can be prevented from being displaced in the vertical direction.
In this embodiment, the method of fixing with the fixing tool 66 is not limited, and for example, the other end 64C of the elastic body 64 may be bound to the back frame side.

Further, as shown in FIG. 9, the side cover 70 is erected inward in the seat width direction from the front side end of the seat, and is located on the front wall edge portion having the thickness direction in the front-rear direction of the seat, outward in the seat width direction. A notch-shaped support portion 70B recessed toward the surface is arranged.
Here, the support portions 70B are formed in a rectangular shape having the seat width direction as the longitudinal direction when viewed from the front-rear direction of the seat, which can support the intermediate portion 64B of the elastic body 64 in a state of being arranged in two rows in the seat width direction. Has been done. As a result, the intermediate portion 64B of the elastic body 64 is supported in the vicinity of the bag body 62, so that the horizontal plane of the lid portion 60 can be easily formed.

The configuration of the penetrating portion 50 and the lid portion 60 of the first retractable sheet 12 is the same as or substantially the same as the configuration of the penetrating portion 50 and the lid portion 60 of the second retractable sheet 20 shown in FIGS. 1 and 2. Since they are the same, duplicate explanations will be omitted.

[Action and effect of this embodiment]
As shown in FIG. 1, the first retractable seat 12 of the retractable vehicle seat 10 according to the present embodiment includes a seat cushion 14 and a seat back 16. The seat cushion 14 has a cushion frame and a skin 142 that covers the cushion frame, and the cushion frame is movably attached to the vehicle floor from a used position to a storage position on the lower side of the seat. The seat back 16 has a back frame and a skin 162 that covers the back frame. As shown in FIG. 3, the lower end of the back frame is connected to the rear of the cushion frame at the end in the width direction of the seat. Then, as shown in FIGS. 3 and 4, the seat back 16 is rotatable in the front-rear direction of the seat within a range of the standing position in which the seat back 16 stands up with respect to the seat cushion 14 and the lying position in which the seat back 16 is laid down on the seat cushion 14. To.

Here, the first retractable sheet 12 further includes a penetrating portion 50 and a lid portion 60, as shown in FIGS. 1, 2 and 5. The penetrating portion 50 is arranged at a connecting portion (near the connecting portion 44) between the lower end portion of the back frame and the rear portion of the cushion frame, and penetrates from the upper portion to the lower portion of the seat cushion 14. By providing the penetrating portion 50, when the seat back 16 is moved from the upright position to the lying down position, interference between the connecting portion, specifically, the connecting portion 44 and the seat cushion 14 is effectively suppressed or prevented. be able to.

Then, the lid portion 60 covers the upper portion of the penetrating portion 50, and a part of the lid portion 60 is fixed to the skin 142. The shape of the lid 60 can be flexibly changed according to the rotation of the seat back 16 in the range between the upright position and the laid position.

More specifically, in the first retractable seat 12 shown in FIG. 10, the seat cushion 14 is in the used position (used state) in which the occupant can sit, and the seat back 16 is in the upright position. At this time, the penetrating portion 50 is firmly covered by the lid portion 60.
FIG. 11 shows the state of the first retractable sheet 12 immediately after the start from the used position to the stored position (stored state). The seat cushion 14 starts moving to the lower side of the seat and to the rear side of the seat by the storage mechanism 40 shown in FIGS. 3 and 4. In response to this movement, the seat back 16 starts moving from the standing position to the lying position. At this time, the other end of the lid 60 covering the penetrating portion 50 on the rear side of the seat is slightly pushed by the connecting portion 44, but the shape of the lid 60 is flexibly deformed.
FIG. 12 shows the state of the middle stage of movement from the used position to the stored position in the first retractable sheet 12. The seat cushion 14 continues to move further to the lower side of the seat and to the rear side of the seat. Corresponding to this movement, the seat back 16 moves from the upright position to the mid-movement to the lodging position. At this time, the other end of the lid 60 covering the penetrating portion 50 on the rear side of the seat is considerably pushed by the connecting portion 44, and the shape of the lid 60 is slightly deformed, but the lid 60 is flexibly deformed.
FIG. 13 shows the state immediately before the storage position in the first retractable sheet 12. The seat cushion 14 continues to move further to the lower side of the seat and to the rear side of the seat. In response to this movement, the seat back 16 moves to just before the lodging position. At this time, the other end of the lid 60 covering the penetrating portion 50 on the rear side of the seat is considerably pushed by the connecting portion 44, and the shape of the lid 60 is greatly deformed, but the lid 60 is flexibly deformed.
Then, FIG. 14 shows the state of the storage position in the first retractable sheet 12. The seat cushion 14 completes the movement to the lower side of the seat and to the rear side of the seat. Corresponding to the completion of this movement, the seat back 16 completes the movement to the lodging position. At this time, the other end of the lid 60 covering the penetrating portion 50 on the rear side of the seat is pushed to the maximum by the connecting portion 44, and the shape of the lid 60 is deformed most, but the lid 60 is flexibly deformed. ..
The movement of the seat cushion 14 from the retracted position to the used position and the movement of the seat back 16 from the inverted position to the upright position are opposite to the operations described with reference to FIGS. 10 to 14.

Therefore, regardless of whether the seat cushion 14 is in the used position or the stored position, and whether the seat back 16 is in the upright position or the laid-down position, the penetrating portion is used by using the lid portion 60. 50 can be closed at all times. As a result, it is possible to effectively suppress or prevent, for example, small items from falling through the penetrating portion 50 from the upper part to the lower part of the seat cushion 14.
In addition, since the penetrating portion 50 and the connecting portion are covered with the lid portion 60, the appearance can be improved.
Therefore, according to the retractable vehicle seat 10 according to the present embodiment, it is possible to further improve the appearance of falling objects.

Further, in the retractable vehicle seat 10 according to the present embodiment, as shown in FIGS. 2, 5 and 6 (a), a part of the lid 60 on the front side of the seat is the skin 142 of the seat cushion 14. Is fixed to. On the other hand, as shown in FIGS. 5, 6 (a), 7 and 8, the other part of the lid 60 on the rear side of the seat is attached to the vicinity of the lower end of the back frame via the elastic body 64. Be done.
Therefore, since the other part of the lid portion 60 can be pulled toward the back frame side by using the elastic body 64, most of the penetrating portion 50 can be firmly covered. In addition, when the seat back 16 moves from the inverted position to the upright position, the lid portion 60 is stretched, and wrinkles and the occurrence of bias toward the front side of the seat can be reduced in the lid portion 60. The appearance of the connecting part can be improved.

Further, in the retractable vehicle seat 10 according to the present embodiment, as shown in FIGS. 6A and 6B, the elastic body 64 has a strip shape with the seat front-rear direction as the longitudinal direction. Then, one end portion 64A on the seat front side of the elastic body 64 is fixed to the skin 142 together with a part of the lid portion 60, and the intermediate portion 64B of the elastic body 64 is fixed to the other part of the lid portion 60.
Therefore, one end 64A of the elastic body 64 can be overlapped on the lid 60, and the elastic body 64 can be used as a reinforcing member of the lid 60, so that the occurrence of wrinkles and bias of the lid 60 can be reduced. The appearance of the lid 60 itself can be improved.

Further, in the retractable vehicle seat 10 according to the present embodiment, as shown in FIG. 6A, the lid portion 60 is a tubular bag having an opening 62A on the front side of the seat and an opening 62B on the rear side of the seat. It is formed on the body 62. Then, one end 64A of the elastic body 64 is arranged inside the bag body 62.
Therefore, as shown in FIG. 5, since the elastic body 64 can be hidden inside the bag body 62 of the lid portion 60, the appearance of the lid portion 60 including the elastic body 64 can be improved.

Further, in the retractable vehicle seat 10 according to the present embodiment, as shown in FIG. 9, a side cover 70 is further provided to cover the side surface portion of the rear portion of the seat cushion 14 on the outer side in the seat width direction. A support portion 70B is formed on the wall portion on the front side of the seat of the side cover 70, and the support portion 70B supports the intermediate portion 64B of the elastic body 64.
Therefore, it is possible to effectively suppress or prevent the lid 60 from hanging down on the rear side of the seat, and improve the appearance of the lid 60.

The actions and effects that can be obtained with the retractable vehicle seat 10 can be similarly obtained with the second retractable seat 20.

[Supplementary Description of the above Embodiment]
The present invention is not limited to the above embodiment, and various modifications can be made without departing from the gist thereof.
For example, in the above embodiment, the retractable vehicle seat provided with the reclining mechanism has been described, but the present invention is applied to the retractable vehicle seat not provided with the reclining mechanism and having a fixed standing position of the seat back. It is possible. In this case, the seat back is provided with a mechanism for fixing or releasing the seat back in an upright position.
The present invention can also be applied to a retractable vehicle seat in which the seat cushion is stored on the lower side of the seat and on the front side of the seat.

10 Retractable vehicle seat 12 1st retractable seat 14, 24 Seat cushion 16, 26 Seat back 20 2nd retractable seat 22 3rd retractable seat 40 Retractable mechanism 50 Penetration part 60 Lid 62 Bag body 64 Elastic body 66 Fixture 70 Side cover 70B Support

Claims (3)

A seat cushion that has a cushion frame and a first skin that covers the cushion frame, and is attached to the vehicle floor so that the cushion frame can be moved from the used position to the storage position on the lower side of the seat.
It has a back frame and a second skin covering the back frame, and at the end in the width direction of the seat, the lower end of the back frame is connected to the rear part of the cushion frame, and the standing position and the seat to stand up with respect to the seat cushion. A seat back that can rotate in the front-rear direction of the seat within the range of the lying position where the cushion is laid down,
A penetrating portion that is disposed at a connecting portion between the lower end portion and the rear portion and penetrates from the upper part to the lower part of the seat cushion.
A lid portion that covers the upper part of the penetrating portion and is partially fixed to the first skin so that the shape can be flexibly changed according to the rotation of the seat back in the range between the upright position and the lodging position. , equipped with a,
A part of the lid portion on the front side of the seat is fixed to the first skin, and the other part of the lid portion on the rear side of the seat is via an elastic body formed into a band having a longitudinal direction in the front-rear direction of the seat. Attached near the bottom edge,
One end of the elastic body on the front side of the seat is fixed to the first skin together with a part of the lid, and the middle part of the elastic body in the front-rear direction of the seat is fixed to the other part of the lid. and it is retractable seat for a vehicle. The storage according to claim 1 , wherein the lid portion is formed in a tubular bag body having openings on the front side and the rear side of the seat, respectively, and one end portion of the elastic body is arranged inside the bag body. Seat for type vehicles. Further comprising a side cover covering a side surface portion of the seat width direction outer side of the rear, the middle section to claim 1 or claim 2 supporting portion for supporting is formed with the wall portion of the seat front side of the side cover The retractable vehicle seat described.

Images