JP2019116247A - Retractable vehicle seat - Google Patents

Abstract

To provide a retractable vehicle seat capable of improving article dropping, further, an outward appearance.SOLUTION: A retractable vehicle seat 10 comprises a seat cushion 14 and a seat back 16. In an end part in the seat width direction, a lower end part of a back frame is connected to a rear part of a cushion frame, and the seat back 16 is rotatable in the seat longitudinal direction in a range of a standing position and falling-down position to the seat cushion 14. The retractable vehicle seat 10 is further provided with a penetration part 50 and a lid part 60. The penetration part 50 is arranged in a connection part between a lower end part of the back frame and a rear part of the cushion frame, and penetrates into a lower part from an upper part of the seat cushion 14. The lid part 60 covers the upper part of the penetration part 50, and fixes a part of the lid part 60 to the skin 142 of the seat cushion 14. This lid part 60 can flexibly change a shape in response to rotation of the seat back 16 in a range of the standing position and the falling-down position.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a retractable vehicle seat.

Patent Document 1 below discloses a foldable seat device for a vehicle. The foldable seat apparatus includes a seat cushion having a cushion frame to which a cushion storage mechanism is coupled, and a seat back having a back frame to which a reclining mechanism is coupled.
The cushion storage mechanism holds the cushion frame in a front-upward inclined state when the seat cushion is in the use position, and holds the cushion frame in a substantially horizontal state when the seat cushion is in the storage position. The use position is a position where an occupant can be seated on the seat cushion. In addition, the storage position is lower than the use position and at the rear position, and is a position that extends the interior space of the vehicle.
On the other hand, the reclining mechanism is configured to be capable of holding the back frame in the upright position and the reclined position. The seat back moves from the upright position to the collapsed position in conjunction with the movement of the seat cushion from the use position to the storage position. When in the collapsed position, the seatback is held substantially horizontal.

JP 2012-131289 A

In the above-mentioned foldable seat device, a through portion is formed extending a little from the connecting portion of the cushion frame and the back frame toward the seat front side and passing from the upper portion to the lower portion of the seat cushion. The penetration part is an L-shaped notch or a rectangular opening in plan view. When the penetration portion is formed, interference between the connecting portion and the seat cushion can be avoided when the seat back moves from the standing position to the lying position.
However, in the above-mentioned foldable seat apparatus, since the penetration part which becomes a comparatively big shape is formed, there is concern that an accessory may fall below a seat cushion through a penetration part, and there was room for improvement. Furthermore, since the penetration part is formed in the seat cushion, there is room for improvement also in terms of appearance.

  The present invention provides a retractable vehicle seat capable of improving the appearance and the dropout in consideration of the above problems.

  A retractable vehicle seat according to a first embodiment of the present invention 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 seat lower side. And a second skin covering the back frame and the back frame, the lower end of the back frame being connected to the rear of the cushion frame at the end in the seat width direction, and the upright position and the seat standing up against the seat cushion The seatback is rotatable in the longitudinal direction of the seat in the range of the collapsed position to be laid down on the cushion, and the penetrating portion disposed at the connection portion between the lower end and the rear portion and penetrating from the upper portion to the lower portion of the seat cushion Covers the upper part of the part and is fixed in part to the first skin, in the range between the upright position and the fallen position Shape in accordance with the rotation of the seat back and a, and a lid portion that is flexibly changeable Te.

  A retractable vehicle seat according to a 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 movably attached to the vehicle floor from a use position to a storage position below the seat. The seat back has a back frame and a second skin covering the back frame. The lower end of the back frame is connected to the rear of the cushion frame at the end in the seat width direction, and the seat back can be rotated in the longitudinal direction of the seat in the range between the upright position up against the seat cushion and the down position over the seat cushion. It is assumed.

Here, the storage type vehicle seat further includes a penetration portion and a lid portion. The penetration portion is disposed at a connection portion between the lower end portion of the back frame and the rear portion of the cushion frame, and penetrates from the top to the bottom of the seat cushion. By providing the penetrating portion, when the seat back is moved from the upright position to the fallen position, interference between the connection portion and the seat cushion can be effectively suppressed or prevented.
And a lid part covers the upper part of a penetration part, and a part of lid part is fixed to the 1st skin. The lid portion can flexibly change its shape in accordance with the rotation of the seat back in the range of the standing position and the reclining position. Therefore, regardless of whether the seat cushion is in the use position or the storage position, and the seat back is in the upright position or in the reclining position, the lid is used to close the penetration portion. Can. Thereby, it is possible to effectively suppress or prevent, for example, an accessory or the like from falling from the upper portion to the lower portion of the seat cushion through the penetration portion.
In addition, since the penetration part and the connection part are covered by the lid part, the appearance can be improved.

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

According to the retractable vehicle seat relating to the second embodiment, a part of the seat front side of the lid portion is fixed to the first skin of the seat cushion. On the other hand, the other part on the seat rear side of the lid is attached near the lower end of the back frame via an elastic body.
For this reason, since it is possible to pull the other part of the lid to the back frame side by using an elastic body, it is possible to firmly cover most of the penetrating part. In addition, when the seat back moves from the laid down position to the erected position, the lid portion is stretched, and the occurrence of wrinkles and deviation to the seat front side can be reduced in the lid portion. Can be improved.

  In the seat for a retractable vehicle according to the third aspect of the present invention, in the seat for a retractable vehicle according to the second aspect, the elastic body is in the shape of a belt whose longitudinal direction is the seat longitudinal direction, and the seat front side of the elastic body One end of the cover is fixed to the first skin together with a part of the lid, and the middle part of the elastic body in the sheet longitudinal direction is fixed to the other part of the lid.

According to the retractable vehicle seat relating to the third embodiment, the elastic body is in the form of a belt whose longitudinal direction is the seat longitudinal direction. Then, one end on the seat front side of the elastic body is fixed to the first skin together with a part of the lid, and an intermediate part in the sheet longitudinal direction of the elastic body is fixed to another part of the lid.
Therefore, one end of the elastic body can be overlaid on the lid portion, and the elastic body can be used as a reinforcing member for the lid portion. Therefore, the occurrence of wrinkles and deviation of the lid portion is reduced, and the appearance of the lid portion itself is improved. You can do better.

  In the storage vehicle seat according to the fourth embodiment of the present invention, in the storage vehicle seat according to the third embodiment, the lid portion is a cylindrical bag having an opening on the seat front side and the seat rear side. And one end of the elastic body is disposed inside the bag.

According to the storage type vehicle seat relating to the fourth aspect, the lid portion is formed in a cylindrical bag having an opening on each of the seat front side and the seat rear side. Then, one end portion of the elastic body is disposed inside the bag body.
Therefore, since the elastic body can be hidden inside the bag of the lid, the appearance of the lid including the elastic can be improved.

  The storage vehicle seat according to the fifth embodiment of the present invention further comprises a side cover for covering the lateral side portion of the rear in the seat width direction in the storage vehicle seat according to the third embodiment or the fourth embodiment. A supporting portion for supporting the middle portion of the elastic body is formed on the seat front side wall of the side cover.

According to the retractable vehicle seat relating to the fifth embodiment, the side cover that covers the side portion on the outside in the seat width direction at the rear is further provided. A support is formed on the seat front side wall of the side cover, and the support supports the middle of the elastic body.
For this reason, it is possible to effectively suppress or prevent the drooping on the seat rear side of the lid to improve the appearance of the lid.

  According to the present invention, it is possible to provide a retractable vehicle seat capable of improving the appearance and the dropout.

FIG. 1 is a perspective view of a storage type vehicle seat according to an embodiment of the present invention as viewed from the seat front side and from a slightly upper side on the outer side in the seat width direction. It is the expansion perspective view which expanded the sheet width direction middle part of the storage type vehicle seat shown by FIG. 1 as a principal part. FIG. 2 is a schematic side view of the retractable vehicle seat shown in FIG. 1 as viewed from the seat width direction outside in a use state where an occupant can be seated. FIG. 4 is a schematic side view corresponding to FIG. 3 of the stowable vehicle seat shown in FIG. 1 in the storage state (folded state). It is an enlarged perspective view corresponding to Drawing 2 which expanded a principal part of a storage type vehicle seat on the right-hand side of a direction of movement of vehicles shown in Drawing 1. (A) is an expanded sectional view of the principal part cut by the AA line shown by FIG. 5, (b) is an enlarged sectional view of the principal part cut by the BB line shown by FIG. FIG. 6 is an enlarged side view of the retractable vehicle seat shown in FIG. 5 as viewed from the outside in the seat width direction. It is the expansion perspective view which looked at the sheet | seat width direction edge part of the storage-type vehicle seat shown by FIG.5 and FIG.7 from the sheet | seat back side and a little upper side inside a sheet | seat width direction. It is the expansion perspective view which expanded the principal part of the storage type vehicle seat shown by FIG. 5 further. FIG. 6 is an enlarged perspective view in use showing the essential part of the storage type vehicle seat shown in FIG. FIG. 11 is an enlarged perspective view of the storage type vehicle seat corresponding to FIG. 10 immediately after the start of transition from the use state to the storage state (from the standing state to the lying state). FIG. 11 is an enlarged perspective view of a retractable vehicle seat corresponding to FIG. 10 in the middle stage of transition from the use state to the storage state. FIG. 11 is an enlarged perspective view of a retractable vehicle seat corresponding to FIG. 10 immediately before the end of transition from the use state to the storage state. FIG. 11 is an enlarged perspective view of a retractable vehicle seat corresponding to FIG. 10 in a stored state.

Hereinafter, a storage type vehicle seat according to an embodiment to which the present invention is applied will be described using FIGS. 1 to 14. A retractable vehicle seat is adopted as a rear seat in the second row when the vehicle is of the hatchback type, one-box type, or the like, and includes two rows of seats in the longitudinal direction of the vehicle. Further, when the seat for a retractable vehicle is provided with three rows of seats in the vehicle longitudinal direction, it is adopted as at least one of the middle seat in the second row and the rear seat in the third row.
In the description of the present embodiment, in the drawings, an arrow FR appropriately shown indicates a sheet front direction, an arrow IN indicates an inner side in the sheet width direction, and an arrow UP indicates a sheet upper direction. Here, the seat forward direction, the seat width direction inner side, and the seat upper direction respectively correspond to the vehicle front direction, the vehicle width direction inner side, and the vehicle upper 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.

[Schematic Configuration of Entire Retractable Vehicle Seat]
As shown in FIG. 1, the storage type vehicle seat 10 according to the present embodiment is configured as a 6: 4 split folding seat. The retractable vehicle seat 10 is not limited to this division ratio, and may be applied to, for example, a 5: 5 split collapsible seat, a 4: 2: 4 split collapsible seat, or the like.
The retractable vehicle seat 10 is disposed on the left side in the seat width direction as a first retractable seat 12 as a right side seat disposed on the right side in the seat width direction when viewed from the occupant seated in the traveling direction of the vehicle. And a second retractable seat 20 as a left seat. Furthermore, the retractable vehicle seat 10 is an intermediate seat integrally formed on the right side in the seat width direction of the second retractable seat 20 between the first retractable seat 12 and the second retractable seat 20. 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 in a line in the seat width direction, and 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 cushion 14, and a headrest 18 mounted on the top of the seat back 16.
The seat cushion 14 includes a cushion frame (not shown) forming the frame, a cushion pad provided on 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 frame, a cushion pad provided on the seat front side of the back frame, and a skin 162 (second skin) covering the seat back frame and the cushion pad. .
The headrest 18 is configured by an adjustable type whose height can be adjusted or a fixed type whose height can not be adjusted.
Each of the cushion frame and the back frame is provided with an elastic body (not shown) such as a spring for supporting the cushion pad.

The first retractable seat 12 is provided with a reclining mechanism 32. The reclining mechanism 32 allows the seat back 16 to rotate at the lower end portion of the seat back 16 with the seat width direction as the rotation axis direction, and allows the rotation angle of the seat back 16 to be adjusted at an appropriate position when the occupant is seated. It is supposed to be configured. Here, an appropriate position when the occupant is seated is an upright position where the seat back 16 is erected to the seat upper side with respect to the seating surface of the seat cushion 14.
Furthermore, the reclining mechanism 32 constructs a part of the storage mechanism 40 described later, and is configured to be able to rotate the seat back 16 to a laid down position where the seat back 16 is laid forward on the seat front side. The seat back 16 rotated to the fall position overlaps the seat surface of the seat cushion 14 and is substantially horizontal. That is, the reclining mechanism 32 is configured to be capable of rotating the seat back 16 in the range between the upright position and the reclined position.

  Similar to 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) covering 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) covering the back frame and the cushion pad. The headrest 18 is configured to be adjustable or fixed.

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

The second retractable seat 20 is provided with a reclining mechanism 34 common to the third retractable seat 22. Like the reclining mechanism 32, the reclining mechanism 34 allows the seat back 26 to be rotatable at the lower end portion of the seat back 26 with the seat width direction as the rotation axis direction, and further allows adjustment of the rotation angle of the seat back 16. It is done.
Furthermore, similarly to the reclining mechanism 32, the reclining mechanism 34 constructs a part of a storage mechanism 40 described later, and is configured to be able to rotate the seat back 26 in the range between the upright position and the reclined position.

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

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

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

  The reclining mechanism 32 enables the seat back 16 to rotate in the seat longitudinal direction with respect to the seat cushion 14 by the operation of a reclining operation portion (not shown), and the rotation angle of the seat back 16 to the optimal backrest angle for seating the occupant. Be adjustable. Then, the reclining mechanism 32 constructs a part of the storage mechanism 40.

FIG. 4 shows the first retractable seat 12 shifted from the use state to the storage state (storage position). Specifically, the reclining mechanism 32 is operated to rotationally move the seat back 16 from the upright position toward the seat surface of the seat cushion 14 in the arrow D direction (the seat front side). In conjunction with the rotational movement of the seat back 16, one end of the link 42 is rotationally moved in the direction of the arrow C (the seat rear side and the seat lower side). When the seat back 16 is superimposed on the seat surface of the seat cushion 14, this position is taken as the folded position of the seat back 16 and taken as the storage position of the first retractable seat 12 including the seat cushion 14 and the seat back 16. Ru. In the stored state, the first retractable sheet 12 is stored on the seat rear side and the seat lower side with respect to the use state.
Here, the standing position is an arbitrary position within the range of rotational movement of the seat back 16 that can adjust the angle of the backrest that is optimal for the seating of the occupant.

[Configuration of penetration part and lid part]
As shown in FIGS. 1 to 5, in the seat cushion 14 of the first retractable seat 12, a penetration portion 50 is disposed at a connection portion between the rear portion of the seat cushion 14 and the lower end portion of the seat back 16.
Specifically, the through portion 50 is disposed in the rear of the seat cushion 14 in the vicinity of the connecting portion 44 of the storage mechanism 40 and in the seat front portion with respect to the connecting portion 44. In the first retractable seat 12, a through portion 50 is provided on the left side as viewed from the occupant in a seated state, which is the inner side in the seat width direction. The penetrating portion 50 penetrates from the upper portion on the seat surface side of the seat cushion 14 to the lower portion on the vehicle floor side, and is formed in a L-shaped cutout shape in a plan view. Here, the planar shape (opening shape) of the through portion 50 is L-shaped in which the longitudinal direction is the sheet longitudinal direction in comparison with the sheet width direction. 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 arranging the through portion 50. The penetrating portion 50 is configured to effectively suppress or prevent the 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 inclined position. .

  As shown in FIGS. 1 and 2, the through portion 50 is also disposed on the second retractable sheet 20. That is, the through portion 50 is a connection 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 disposed in the vicinity of the connecting portion 44 of the storage mechanism 40. In the second retractable seat 20, a through portion 50 is provided on the right side as viewed from the seated occupant, which is the inside in the seat width direction. Since the second retractable sheet 20 and the third retractable sheet 22 are connected, the through portion 50 is disposed at an intermediate portion between the two and has a rectangular shape whose longitudinal direction is the sheet longitudinal direction in 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.

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

Explaining in detail, as shown in FIG. 5, FIG. 6 (a) and FIG. 6 (b), the lid 60 is configured to include a bag 62, an elastic body 64, and a fixture 66. .
The bag body 62 is formed using a material whose shape can be flexibly changed according to the rotation of the seat back 16 in the range of the upright position and the reclining position. Here, the bag body 62 is formed in a tubular shape by using a skin material of the same cloth, leather, or synthetic leather as the skin 142, and folding the skin material in the sheet width direction. The dimension of the bag 62 in the front-rear direction of the sheet is made to match the dimension of the through portion 50 in the same direction, and the dimension of the bag 62 in the sheet width direction is twice that of the through portion 50 in the same direction. It is set. Therefore, the bag 62 has an opening 62A on the seat front side and an opening 62B on the seat rear side. A cavity 62D is formed between the opening 62A and the opening 62B of the bag 62. In the seat width direction, a side opposite to the folded portion of the bag 62 (the rear side of the seat cushion 14) is a folded upper and lower two aligned portion 62C.
If the bag 62 is a material whose shape can be flexibly changed, a material different from the skin 142, for example, a material that improves the design by contrast with the skin 142 may be used.

  As shown in FIG. 6A, the opening 62A 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 epidermis 142, and sewing S1 together with the epidermis 142 of this portion It is fixed by. As shown in FIG. 6B, the portion 62C on which the bag 62 is fitted in the sheet width direction is similarly sandwiched between the seat surface side and the side surface of the epidermis 142. Is fixed by sewing S2. Further, as shown in FIG. 6A, the opening 62B portion of the bag body 62 is folded back inward to form a double structure by sewing S3.

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

Returning to FIG. 6A, the sheet rear end of the one end 64A of the elastic body 64 is fixed to the upper side of the bag 62 at the opening 62B by sewing S3. The seat rear side from the sewing S3 is the middle portion 64B of the elastic body 64. The middle portion 64 B is a main portion that applies tension to the other portion of the lid 60.
One end 64A of the elastic body 64 is arranged in two rows in the sheet width direction in the cavity 64D of the bag 62, but as shown in FIGS. 5 and 7, the middle portion 64B of the elastic body 64 The sheet is arranged in two rows in the vertical direction of the sheet, changing the direction about 90 degrees with the direction as the central axis direction. Then, at least one intermediate portion 64B disposed on the seat upper side is extended above the rotation shaft 32A of the reclining mechanism 32, and is supported by the rotation shaft 32A. Here, the rotation shaft 32A is positioned between the middle portions 64B disposed just above and below. Since at least the upper middle portion 64B is supported by the rotating shaft 32A by a short span, the horizontal surface of the lid 60 can be easily formed.

As shown in FIGS. 6A and 8, the seat rear side further than the middle portion 64B of the elastic body 64 is the other end 64C, and the fixing tool 66 is fixed to the other end 64C. Fixing is performed by sewing S4. The fixture 66 is a metal or resin hook member here. The fixing tool 66 engages with an engaging portion 70A disposed on the seat rear side of the side cover 70 covering the side portion in the seat width direction outer side of the rear portion of the seat cushion 14, specifically the side portion of the reclining mechanism 32. Has been attached. The engaging portion 70A is erected inward in the seat width direction from the seat rear end of the side cover 70, and is recessed outward in the seat width direction at a rear wall edge where the thickness direction is the seat longitudinal direction. It is formed in the shape of a notch. The fixing tool 66 can be firmly attached by engaging the fixing tool 66 with the engaging portion 70A, and the sheet 66 can be prevented from being displaced in the vertical direction of the seat.
In addition, in this embodiment, it is not limited to the method fixed by the fixing tool 66, For example, you may bind the other end part 64C of the elastic body 64 to the back frame side.

Further, as shown in FIG. 9, the front wall edge portion is provided to stand inward in the sheet width direction from the sheet front side end of the side cover 70, and the thickness direction is the sheet longitudinal direction A notch-shaped support portion 70B which is recessed toward the end is disposed.
Here, the support portion 70B is capable of supporting the middle portion 64B of the elastic body 64 in a row in the sheet width direction, and is formed in a rectangular shape having the sheet width direction as a longitudinal direction as viewed from the front and back direction of the sheet. It is done. Thereby, since the middle portion 64B of the elastic body 64 is supported in the vicinity of the bag 62, the horizontal surface of the lid 60 can be easily formed.

  The configurations of the through portion 50 and the lid 60 of the first storable sheet 12 are the same as or substantially the same as the configurations of the through portion 50 and the lid 60 of the second storable sheet 20 shown in FIGS. 1 and 2. Since they are the same, duplicate explanations are omitted.

[Operation and effect of the present embodiment]
As shown in FIG. 1, the first retractable seat 12 of the retractable vehicle seat 10 according to the present embodiment is configured to include a seat cushion 14 and a seat back 16. The seat cushion 14 has a cushion frame and a skin 142 covering the cushion frame, and the cushion frame is attached to the vehicle floor movably from the use position to the storage position below the seat. The seat back 16 has a back frame and a skin 162 covering 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 seat width direction. Then, as shown in FIGS. 3 and 4, the seat back 16 is rotatable in the longitudinal direction of the seat in a range between an upright position where the seat cushion 14 stands up and an inclined position where the seat cushion 14 falls down. Ru.

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

  Then, the lid 60 covers the upper part of the penetrating portion 50, and a part of the lid 60 is fixed to the skin 142. The lid portion 60 can flexibly change its shape in accordance with the rotation of the seat back 16 in the range of the upright position and the reclining position.

More specifically, in the first retractable seat 12 shown in FIG. 10, the seat cushion 14 is in the use position where the occupant can sit (use state), and the seat back 16 is in the upright position. At this time, the through portion 50 is firmly covered by the lid 60.
FIG. 11 shows the first retractable sheet 12 immediately after the start from the use position to the storage position (storage state). The seat cushion 14 starts to move to the seat lower side and the seat rear side by the storage mechanism 40 shown in FIGS. 3 and 4. In response to this movement, the seat back 16 starts to move from the upright position to the fallen position. At this time, the other end of the seat back side of the lid 60 covering the penetrating portion 50 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 moving disc from the use position to the storage position in the first retractable seat 12. The seat cushion 14 continues to move further to the seat lower side and the seat rear side. In response to this movement, the seat back 16 moves to the middle of the movement from the standing position to the lying position. At this time, the other end of the seat back side of the lid 60 covering the penetrating portion 50 is considerably pressed 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 a state immediately before the storage position in the first storable sheet 12. The seat cushion 14 continues to move further to the seat lower side and the seat rear side. In response to this movement, the seat back 16 moves to a position just before the fall position. At this time, the other end of the seat back side of the lid 60 covering the penetrating portion 50 is considerably pressed by the connecting portion 44 and the shape of the lid 60 is largely deformed, but the lid 60 is flexibly deformed.
And in FIG. 14, the state of a storing position is shown in the 1st storing type sheet | seat 12. As shown in FIG. The seat cushion 14 completes the movement to the seat lower side and the seat rear side. In response to the completion of the movement, the seat back 16 completes the movement to the collapsed position. At this time, the other end of the seat back side of the lid 60 covering the penetrating portion 50 is pushed to the maximum by the connecting portion 44, and the shape of the lid 60 is most greatly deformed, but the lid 60 is flexibly deformed. .
The movement of the seat cushion 14 from the storage position to the use position, and the movement of the seat back 16 from the collapsed position to the upright position are reverse operations to the operations described with reference to FIGS.

Therefore, regardless of whether the seat cushion 14 is in the use position or the storage position, and the seat back 16 is in the upright position or the reclining position, the cover 60 is used to penetrate the through portion 50 can always be closed. Thereby, it is possible to effectively suppress or prevent, for example, an accessory or the like from falling from the upper portion to the lower portion of the seat cushion 14 through the penetration portion 50.
In addition, since the penetration portion 50 and the connection portion are covered by the lid portion 60, the appearance can be improved.
Therefore, according to the seat 10 for a retractable vehicle according to the present embodiment, it is possible to improve the appearance and the falling off.

In addition, in the storage type vehicle seat 10 according to the present embodiment, as shown in FIGS. 2, 5 and 6 (a), a part of the seat front side of the lid 60 is the surface 142 of the seat cushion 14. It is fixed to On the other hand, as shown in FIG. 5, FIG. 6 (a), FIG. 7 and FIG. 8, another part on the seat rear side of the lid 60 is attached near the lower end of the back frame via the elastic body 64. Be
For this reason, since the other part of the lid 60 can be pulled toward the back frame side using the elastic body 64, most of the penetrating part 50 can be firmly covered. In addition, when the seat back 16 is moved from the laid down position to the upright position, the lid 60 is stretched, and the lid 60 can reduce the occurrence of wrinkles and deviation toward the front of the seat, so the penetrating portion 50 and The appearance of the connection site can be improved.

Furthermore, in the stowable vehicle seat 10 according to the present embodiment, as shown in FIG. 6A and FIG. 6B, the elastic body 64 is in the form of a belt whose longitudinal direction is the seat longitudinal direction. Then, one end portion 64A on the sheet front side of the elastic body 64 is fixed to the skin 142 together with a part of the cover 60, and the middle part 64B of the elastic body 64 is fixed to the other part of the cover 60.
Therefore, one end 64A of the elastic body 64 can be overlaid on the lid 60, and the elastic body 64 can be used as a reinforcing member for the lid 60, so that the occurrence of wrinkles and deviation of the lid 60 can be reduced. It is possible to improve the appearance of the lid 60 itself.

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

Furthermore, as shown in FIG. 9, in the retractable vehicle seat 10 according to the present embodiment, the side cover 70 is further provided to cover the side portion on the outer side in the seat width direction of the rear portion of the seat cushion 14. A support portion 70 B is formed on the seat front side wall of the side cover 70, and the support portion 70 B supports the middle portion 64 B of the elastic body 64.
For this reason, it is possible to effectively suppress or prevent the drooping on the seat rear side of the lid portion 60, and the appearance of the lid portion 60 can be improved.

  The actions and effects that can be obtained by the above-described retractable vehicle seat 10 can be obtained similarly in the second retractable seat 20.

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

DESCRIPTION OF REFERENCE NUMERALS 10 retractable vehicle seat 12 first retractable seat 14, 24 seat cushion 16, 26 seat back 20 second retractable seat 22 third retractable seat 40 retracting mechanism 50 penetrating portion 60 lid portion 62 bag body 64 elastic body 66 Fastener 70 Side cover 70B Support

Claims (5)

A seat cushion having a cushion frame and a first skin covering the cushion frame, wherein the cushion frame is movably attached to the vehicle floor from a use position to a storage position below the seat;
A back frame and a second skin covering the back frame, wherein the lower end of the back frame is connected to the rear of the cushion frame at the end in the seat width direction, and the upright position for raising the seat cushion and the seat A seat back that is rotatable in the longitudinal direction of the seat in the range of the collapsed position where the cushion is laid down;
A through portion disposed at the connection portion between the lower end portion and the rear portion and penetrating from the upper portion to the lower portion of the seat cushion;
A lid portion which covers the upper portion of the penetrating portion and is partially fixed to the first skin, and whose shape can be flexibly changed according to the rotation of the seat back in the range between the erected position and the fallen position; ,
Retractable vehicle seat equipped with   A part of the seat front side of the lid is fixed to the first skin, and another part of the seat rear side of the lid is attached to the vicinity of the lower end through an elastic body. Retractable vehicle seat as described in. The elastic body is in the form of a band whose longitudinal direction is the sheet longitudinal direction,
The sheet front side 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 sheet longitudinal direction is fixed to the other part of the lid A seat for a retractable vehicle according to claim 2.   The storage unit according to claim 3, wherein the lid portion is formed in a tubular bag having an opening on each of the seat front side and the seat rear side, and one end of the elastic body is disposed inside the bag. Type vehicle seat.   The side cover which covers the side part of the sheet width direction outside of the above-mentioned rear is further provided, and the support part which supports the above-mentioned middle part is formed in the sheet front side wall of the side cover concerned. Retractable vehicle seat as described.