JP2011073481A - Seat device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat device for a vehicle which can lower a seat surface at a seat side in which a seat cushion is stored, and is hardly restricted by the width of the seat cushion or a seat installation space of a floor. <P>SOLUTION: A center console box 17 is arranged at sides of a first seat 12 and a second seat 14. A seat slide mechanism which can move the second seat 14 back and forth is provided in the center console box 17. The seat slide mechanism includes a slide arm 35 which is projected to the side from the center console box 17 and supports the seat cushion 14A of the second seat 14 in a cantilevered manner. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an improvement in a vehicle seat device.

  As a conventional vehicle seat device, a storage space is provided below a front seat, and a seat cushion of a rear seat is stored in this storage space (for example, Patent Document 1 (similar to Patent Document 2) See Patent Document 3).

  According to FIG. 1 and FIG. 2 of Patent Document 1, the front seat 11 is fixed to the floor 14 via four legs 13 provided on the seat base 12, and a seat storage space is provided below the seat base 12. A portion 16 is formed.

  The rear seat 15 is provided with a link mechanism 19 including four links 18 as a seat lifting mechanism at a lower portion of the pedestal 15 </ b> C, and the seat cushion 15 </ b> A of the rear seat 15 can be lowered to the vicinity of the floor 14.

The link mechanism 19 can move back and forth on two slide rails 20 provided on the floor 14 via a slide portion 21.
With the above configuration, the seat cushion 15A is stored in the seat storage space 16 under the front seat 11 by moving the rear seat 15 forward while the seat cushion 15A of the rear seat 15 is lowered by the link mechanism 19.

Japanese Utility Model Publication No. 4-109633 JP-A-5-85238 Japanese Patent Laid-Open No. 10-264695

  Since the link mechanism 19 is provided at the lower part of the rear seat 15, even if the seat cushion 15 </ b> A is lowered to the vicinity of the floor 14 by the link mechanism 19, the seat cushion 15 </ b> A has a seating surface at least as much as the height of the link mechanism 19. Get higher.

  Therefore, as the seating surface of the seat cushion 15A increases, the height of the seat storage space 16 of the front seat 11 must also be increased, and thereby the seating surface of the seat cushion 11A of the front seat 11 also increases. .

  Further, if the left and right width of the seat cushion 15A of the rear seat 15 is made equal to the left and right width of the seat cushion 11A of the front seat 11, the distance between the left and right leg portions 13 and 13 of the front seat 11 is larger than the left and right width of the seat cushion 15A. In order to install the front seat 11, it is necessary to secure a large space on the floor 14.

On the contrary, if the left and right distances between the leg portions 13 and 13 of the front seat 11 are made equal to the width of the seat cushion 11A, the left and right width of the seat storage space portion 16 below the front seat 11 is reduced. The left and right widths of the seat cushion 15A must be smaller than the seat cushion 11A of the front seat 11 so that the seat cushion 15A of the rear seat 15 can be accommodated.
As described above, the lateral width of the seat cushion and the seat installation space on the floor are restricted.

  An object of the present invention is to provide a vehicle seat device that can lower a seat-side seating surface in which a seat cushion is stored, and that is not easily restricted by the width of the seat cushion or the seat installation space on the floor. There is.

  The invention according to claim 1 includes a first seat and a second seat disposed behind the first seat, and moving the second seat forward causes the seat cushion of the second seat to be the first. In a vehicle seat device that can be stored between a seat cushion of a seat and a vehicle body floor, a vehicle body member is disposed on the side of the first seat and the second seat, and the second seat can be moved back and forth within the vehicle body member. A seat slide mechanism is provided, and the seat slide mechanism includes a second seat support arm that protrudes laterally from the vehicle body member and supports the seat cushion of the second seat in a cantilevered manner.

A second seat support provided in a seat slide mechanism provided in the vehicle body member for cantilevering the seat cushion of the second seat laterally from the vehicle body member disposed laterally of the first seat and the second seat Extend the arm.
Therefore, there is no seat support member attached to the floor as in the prior art below the seat cushion of the second seat.

The invention according to claim 2 is characterized in that the vehicle body member is provided with a guide portion for slidably supporting the second seat support arm, and the guide portion is provided at a position where the vehicle front side is lower than the vehicle rear side. To do.
When the second seat support arm is moved forward along the guide portion, the position of the second seat support arm is lowered and the seat cushion position of the second seat is lowered.

The invention according to claim 3 is characterized in that the front portion of the guide portion linearly extends forward of the vehicle.
When the second sheet is moved forward while being supported by the guide part, the second sheet moves horizontally at the front part of the guide part. Accordingly, the height change of the second sheet due to the movement of the second sheet is eliminated.

The invention according to claim 4 includes a first seat support arm that protrudes laterally from the vehicle body member and supports the seat cushion of the first seat in a cantilever manner.
A first seat support arm for cantilevering the seat cushion of the first seat is extended laterally from the vehicle body member disposed on the side of the first seat and the second seat.
Accordingly, there is no seat support member attached to the floor as in the prior art below the seat cushion of the first seat.

  In the invention according to claim 1, the vehicle body member is disposed on the side of the first seat and the second seat, and a seat slide mechanism capable of moving the second seat back and forth is provided in the vehicle body member. In addition, since the second seat support arm that protrudes laterally from the vehicle body member and cantileverly supports the seat cushion of the second seat is provided, there is no conventional leg member below the seat cushion of the second seat. The seat cushion of the seat can be arranged lower.

  Therefore, when the seat cushion of the second seat is stored below the seat cushion of the first seat, the seat cushion of the first seat can also be arranged low, and the seat surface of the seat cushion of the first seat can be made lower. it can.

  In the invention according to claim 2, the vehicle body member is provided with a guide portion that slidably supports the second seat support arm, and the guide portion is provided at a position where the vehicle front side is lower than the vehicle rear side. With the structure, the seat cushion height of the second seat can be changed to the normal seating height and the storage height.

  In the invention according to claim 3, since the front portion of the guide portion extends linearly in front of the vehicle, the first seat can be slid back and forth, regardless of the position of the first seat in the front-rear direction. The seat cushion of the second seat can be guided to the lower side of the first seat without interfering with the seat cushion of the first seat.

  In the invention according to claim 4, since the first seat support arm that protrudes laterally from the vehicle body member and cantileverly supports the seat cushion of the first seat is provided, a conventional leg member is provided below the seat cushion of the first seat. And a large storage space can be formed below the first seat, the seat cushion of the second seat can be moved into the storage space, and the seat cushion seat surface of the first seat can be further increased. Can be lowered.

  In addition, since there is no leg member in the storage space under the first seat, the right and left width of the seat cushion of the second seat and the seat installation space on the floor are not restricted, and the degree of freedom of the seat shape and floor usage form is improved. Can be made.

1 is an interior perspective view of a vehicle including a seat device according to the present invention (Example 1). It is a room perspective view (Example 1) which shows the sheet apparatus concerning the present invention. It is a room perspective view (Example 1) which shows the sheet support structure by the sheet apparatus concerning the present invention. It is explanatory drawing (Example 1) which shows the structure and effect | action of a seat slide mechanism of the seat apparatus which concerns on this invention. FIG. 6 is an operation diagram (Example 1) illustrating movement of a sheet according to the present invention. It is a rear view (Example 1) which shows the support structure of the sheet | seat which concerns on this invention. It is a rear view (Example 2) which shows the support structure of the sheet | seat which concerns on this invention.

  Embodiments of the present invention will be described below with reference to the accompanying drawings. In the description, left, right, front, and rear indicate directions based on the driver who has boarded the vehicle. The drawings are to be viewed in the direction of the reference numerals.

A first embodiment of the present invention will be described.
As shown in FIG. 1, an automobile 10 includes a pair of left and right first seats 12 and 13 and a pair of left and right second seats 14 and 15 disposed behind the first seats 12 and 13 (front side). And a center console box 17 disposed between the first seats 12 and 13 and between the second seats 14 and 15 and attached to the floor 22.
In the figure, reference numeral 21 is a steering wheel, 23 is a roof, 24 is a front door, 26 is a rear door, and 27 is a back door.

The first seat 12 includes a seat cushion 12A having a seat surface on which an occupant is seated, and a seat back 12B serving as a backrest attached to the seat cushion 12A so as to be reclining back and forth, and the front and rear position and the seat height can be adjusted. It is.
The first seat 13 has the same structure as the first seat 12 and includes a seat cushion 13A and a seat back 13B (not shown).

  Similarly, the second seat 14 includes a seat cushion 14A and a seat back 14B, and the front-rear position and the seating surface height can be adjusted. The second sheet 15 has the same structure as the second sheet 14.

  Further, for example, when the second seat 14 is moved forward, the seat cushion 14A can be stored in a space below the first seat 12A (the same applies to the second seat 15). Thereby, the volume of the luggage space behind the second seats 14 and 15 can be increased.

  As shown in FIG. 2, the first seats 12 and 13 and the second seats 14 and 15 are each provided with a seat seat slide mechanism (not shown. The seat seat slide mechanism will be described in detail later) provided in the center console box 17. ).

  As a result, there is no conventional seat support member (leg) attached to the floor to support the seat between the first seat 12, 13 and the second seat 14, 15 and the floor 22, Instead of this, large front seat lower spaces 31, 31 (only the reference numeral 31 on the front side is shown) and rear lower seat spaces 32, 32 (only the reference numeral 32 on the front side are shown) are formed.

  The front seat lower space 31 is a space that can accommodate the seat cushions 14A and 15A (only the front reference sign 14A is shown) of the second seats 14 and 15, and the rear seat lower space 32 is the front and rear of the second seats 14 and 15. And a space for moving up and down.

  FIG. 3 is a view of the first seat 12 and the second seat 14 as viewed from obliquely below. A slide arm that cantilever-supports the first seat 12 and the second seat 14 from the side wall 17a of the center console box 17 and can slide back and forth. 34 and 35 protrude.

  Further, the seat cushion 12A of the first seat 12 and the seat cushion 14A of the second seat 14 are attached to the slide arms 34 and 35 so as to be lifted and lowered by a lifting mechanism (not shown).

Guide grooves 17b and 17c for guiding the movement of the slide arms 34 and 35 are formed in the side wall 17a.
The guide groove 17b is formed horizontally, and the position in the front-rear direction of the first seat 12 can be adjusted to a desired position along the guide groove 17b.
2 and 3, the guide groove 17c includes a rear groove portion 17e formed so as to become lower toward the front of the vehicle, and a front groove portion 17f extending horizontally from the front end of the rear groove portion 17e to the front of the vehicle.

  As shown in FIG. 4A, the seat seat slide mechanism 40 for moving the second seat 14 is a pair of left and right lateral rails 41 attached to the center console box 17 or the floor 22 (see FIG. 2) so as to extend forward and backward. , 41 (only the reference numeral 41 on the near side is shown), a laterally movable carriage 42 attached to these lateral rails 41 and 41 so as to be movable back and forth, and a pair of vertical rails attached to the laterally movable carriage 42 and extending vertically. 43, 43, a vertically movable carriage 44 attached to the vertical rails 43, 43 so as to be vertically movable, a slide arm 35 attached to the longitudinally movable carriage 44 so as to protrude sideways, and the slide arm 35, a roller 46 rotatably attached to the root of 35, and a center console box 17 (two contours for guiding the roller 46). A guide groove 17c (contour is shown by a two-dot chain line) provided in the center console box 17 or the floor 22 for driving the second seat 14. The motor 47 and a long bolt 48 having one end attached to the rotating shaft of the electric motor 47 and an intermediate portion formed at the lower portion of the laterally moving carriage 42 and screwed to a screw (not shown).

  The seat slide mechanism 40 including the center console box 17, the first seats 12 and 13 (only one symbol 12 is shown), and the second seats 14 and 15 (only one symbol 14 is shown) constitute the seat device 50. Is.

Next, the operation of the seat slide mechanism 40 described above will be described.
When the electric motor 47 is operated from the state of FIG. 4A to rotate the long bolt 48 around the axis, as shown in FIG. 4B, the laterally moving carriage 42 to which the long bolt 48 is screwed is shown. Moves forward, and the vertically movable carriage 44 moves downward with the movement of the slide arm 35 guided through the roller 46 in the guide groove 17c.

  As a result, the second seat 14 attached to the longitudinally moving carriage 44 via the slide arm 35 moves obliquely forward and downward along the rear groove portion 17e of the guide groove 17c, as indicated by the white arrow.

  In FIG. 4C, when the second sheet 14 further moves and the roller 46 reaches the front groove portion 17f of the guide groove 17c, the second sheet 14 is moved to the front groove portion of the guide groove 17c as indicated by a white arrow. It moves forward along 17f horizontally. Accordingly, the seat cushion 14A of the second seat 14 is smoothly accommodated in the front seat lower space 31 below the seat cushion 12A of the first seat 12.

FIG. 5A to FIG. 5C show the movement of the second seat 14 in the passenger compartment 11.
FIG. 5A shows the first sheet 12 and the second sheet 14 in a normal use state. The seat cushion 12A of the first seat 12 and the seat cushion 14A of the second seat 14 are at substantially the same height. A luggage compartment 51 </ b> A is formed behind the second seat 14.

FIG. 5B shows a state immediately after the movement of the second sheet 14 is started.
With respect to the state of FIG. 5A, the second seat 14 moves slightly forward and is slightly depressed. If the operation of the seat slide mechanism is locked in this state, it is possible to sit on the second seat 14 and is suitable, for example, for a short person.

  FIG. 5C shows a state in which the movement of the second seat 14 is completed and the seat cushion 14 </ b> A of the second seat 14 is stored in the front seat lower space 31 below the first seat 12. A luggage room 51B having a larger volume than that of the cargo room 51A (see FIG. 5A) can be formed behind the second seat 14, and larger cargo can be loaded.

  Further, for example, when a third seat is provided behind the second seat 14, the seat cushion 14 </ b> A of the second seat 14 is accommodated in the front seat lower space 31, so that the third seat can get on and off from the rear door 26. Can be improved.

FIG. 6A shows a state in which the first seats 12 and 13 are supported by the slide arms 34 and 34, and the height of the seat cushion 12A of the first seat 12 and the seat cushion 13A of the first seat 13 are adjusted to the lowest positions. Shows the state.
That is, the seat cushions 12A and 13A can be lifted from the position shown in the drawing to adjust the height position.
The slide arm 34 is attached to the bottom surfaces 12c and 13c of the seat cushions 12A and 13A of the first seats 12 and 13, respectively.

  FIG. 6B shows a state in which the seat cushions 14A and 15A of the second seats 14 and 15 are stored in the front seat lower space 31 below the first seats 12 and 13, respectively.

Next, a second embodiment of the present invention will be described.
As shown in FIG. 7A, the slide arm 34 is attached to the side surfaces 12d and 13d of the seat cushions 12A and 13A of the first seats 12 and 13, respectively.

  FIG. 7B shows a state in which the seat cushions 14 </ b> A and 15 </ b> A of the second seats 14 and 15 are accommodated in the front seat lower space 31 below the first seats 12 and 13.

As described above, by attaching the slide arm 34 to the side surfaces 14d and 15d of the seat cushions 14A and 15A, the thickness in the vertical direction of the seat cushions 14A and 15A including the slide arm 34 can be further reduced. When the cushions 14A and 15A are stored in the front seat lower spaces 31 and 31, the seat cushions 12A and 13A can be disposed at lower positions, and the seat surface heights of the seat cushions 12A and 13A are made lower. be able to.
In other words, the adjustment allowance for the seating surface height of the seat cushions 12A and 13A can be increased, and the usability can be improved.

  As shown in FIGS. 2, 4, and 6, the first sheets 12 and 13 as the first sheets and the second sheets 14 as the second sheets disposed behind these first sheets 12 and 13, 15 and the second seats 14 and 15 are moved forward to store the seat cushions 14A and 15A of the second seats 14 and 15 between the seat cushions 12A and 13A of the first seats 12 and 13 and the floor 22. In a possible vehicle seat device 50, a center console box 17 as a vehicle body member is disposed on the side of the first seats 12, 13 and the second seats 14, 15, and the second seats 14, 15 are moved back and forth in the center console box 17. And a seat slide mechanism 40 movable up and down is provided. The seat slide mechanism 40 includes a slide arm 35 as a second seat support arm that protrudes laterally from the center console box 17 and supports the seat cushions 14A and 15A of the second seats 14 and 15 in a cantilever manner. .

  According to the above configuration, the conventional leg members are eliminated below the seat cushions 14A and 15A of the second seats 14 and 15, and the seat cushions 14A and 15A of the second seats 14 and 15 can be arranged lower.

  Accordingly, when the seat cushions 14A and 15A of the second seats 14 and 15 are stored below the seat cushions 12A and 13A of the first seats 12 and 13, the seat cushions 12A and 13A of the first seats 12 and 13 can also be arranged low. The seat surfaces of the seat cushions 12A and 13A of the first seats 12 and 13 can be made lower.

  Further, since there is no leg member in the front seat lower space 31 below the first seats 12 and 13, the left and right widths of the seat cushions 14A and 15A of the second seats 14 and 15 and the seat installation space of the floor 22 are not restricted. In addition, the degree of freedom of the sheet shape and the floor use form can be improved.

  As shown in FIGS. 2, 3, and 6, the center console box 17 is provided with a guide groove 17 c as a guide portion that slidably supports the slide arm 35. Since the side is provided at a position lower than the vehicle rear side, the height of the seat cushions 14A and 15A of the second seats 14 and 15 can be changed to the normal seating height and the storage height with a simple structure.

  Further, the front portion of the guide groove 17c (that is, the front groove portion 17f) linearly extends forward of the vehicle. Therefore, even if the first seats 12 and 13 can be slid forward and backward, Regardless of the position in the direction, the seat cushions 14A, 15A of the second seats 14, 15 can be guided to the lower side of the first seats 12, 13 without interfering with the seat cushions 12A, 13A of the first seats 12, 13. .

  Further, since the slide arm 34 is provided as a first seat support arm that protrudes laterally from the center console box 17 and cantileverly supports the seat cushions 12A, 13A of the first seats 12, 13, the seat cushion of the first seats 12, 13 is provided. Leg members as in the prior art are eliminated below 12A and 13A, and a large front seat lower space 31 can be formed below the first seats 12 and 13, and the second seats 14 and 15 can be formed in the front seat lower space 31. The seat cushions 14A and 15A can be moved, and the seat surfaces of the seat cushions 12A and 13A of the first seats 12 and 13 can be further lowered.

  As shown in the first embodiment (FIG. 6) and the second embodiment (FIG. 7), a center console box as a vehicle body member is provided between the left and right first seats 12 and 13 and the left and right second seats 14 and 15, respectively. However, the present invention is not limited to this, and separate vehicle body members may be provided for the left first seat 12 and second seat 14 and the right first seat 13 and second seat 15.

  The seat device of the present invention is suitable for an automobile.

  DESCRIPTION OF SYMBOLS 10 ... Automobile, 12, 13 ... 1st seat (first seat), 12A, 13A, 14A, 15A ... Seat cushion, 14, 15 ... 2nd seat (second seat), 17 ... Car body member (center console box), 17c DESCRIPTION OF SYMBOLS ... Guide part (guide groove), 22 ... Vehicle body floor (floor), 34 ... First seat support arm (slide arm), 35 ... Second seat support arm (slide arm), 40 ... Seat slide mechanism, 50 ... Seat device .

Claims (4)

A first seat and a second seat disposed behind the first seat, and the second seat is moved forward to move the seat cushion of the second seat to the seat cushion of the first seat and the vehicle body floor In the vehicle seat device that can be stored between
A vehicle body member is disposed laterally of the first seat and the second seat, and a seat slide mechanism capable of moving the second seat back and forth is provided in the vehicle body member. The vehicle body member is provided in the seat slide mechanism. A vehicle seat device comprising a second seat support arm that protrudes laterally from the seat and supports the seat cushion of the second seat in a cantilevered manner.   The vehicle body member is provided with a guide portion that slidably supports the second seat support arm, and the guide portion is provided at a position where the vehicle front side is lower than the vehicle rear side. Vehicle seat device.   The vehicle seat device according to claim 2, wherein a front portion of the guide portion extends linearly forward of the vehicle.   4. The vehicle seat according to claim 1, further comprising a first seat support arm that protrudes laterally from the vehicle body member and supports the seat cushion of the first seat in a cantilevered manner. 5. apparatus.

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