JP2005280573A - Seat device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a movable range of a front row seat comprised of a seat next to the driver's seat to be effectively expanded and further enable a compartment space to be effectively utilized. <P>SOLUTION: A vehicle has a front row of seats comprised of a driver's seat 7a and the seat 7b next to the driver's seat arranged there and a rear row of seats 8a, 8b arranged at the rear side. There are provided seat rail members 19, 20 for retractably supporting the seat 7b from the side position of the driver's seat 7a to the positions near the rear row of the seats 8a, 8b. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vehicle seat device in which a front row seat is disposed in a vehicle interior and a rear row seat is disposed on the rear side thereof.

  Conventionally, for example, as shown in Patent Document 1 below, in the case of passenger priority, the rear row seat (rear seat) is moved along the lower rail to the front of the passenger compartment so that the seat cushion can be seated. In a so-called one-box car configured to increase the loading capacity behind the passenger compartment by moving the rear row seat to the front side of the passenger compartment as a folded state in which the seat cushion of the rear passenger seat is flipped upward A wide space is secured between the front row sheet and the rear row sheet by removing the intermediate row sheet disposed between the front row sheet and the rear row sheet as necessary.

Further, as shown in Patent Document 2 below, in the seat slide device for an automobile that supports the first rear row seat and the second rear row seat disposed behind the first rear row seat so as to be movable in the front-rear direction of the vehicle, A rail member extending continuously in the front-rear direction of the vehicle over both the rear row seat and the second rear row seat is disposed, and the seat back of the first and second rear row seats is in an upright state in which an occupant can be seated, By shifting the seat cushion between a flat state tilted backward to the rear side of the seat cushion and a folded state tilted forward on the seat cushion, the movement range of the first and second rear row seats can be expanded to change the seat arrangement pattern. Diversification is taking place.
Japanese Patent Laid-Open No. 03-235729 Japanese Patent Laid-Open No. 06-336131

  As shown in Patent Document 1, in a vehicle in which an intermediate row seat is disposed between a front row seat and a rear row seat, when the intermediate row seat is configured to be removed as necessary, the front row seat and While having the advantage that a large space can be secured between the rear row sheets, the work for removing the intermediate row sheets is complicated, and a space for storing the removed intermediate row sheets is required. When used, there is a drawback that it is necessary to attach the intermediate row seat to the vehicle body.

  On the other hand, as shown in Patent Document 2, when the first rear row seat is configured to be retracted to the vicinity of the front end portion of the second rear row seat disposed behind the first rear row seat, the driver seat or the front passenger seat in the front row While a comparatively large free space is formed between the seat and the first rear row seat and this free space can be used effectively, the retreat range of the passenger seat is adjusted according to the physique of the passenger Since it is limited to the range, it has been desired to further diversify the passenger seat arrangement pattern so that the vehicle interior space can be used effectively.

  The present invention has been made in view of the above points, and it is possible to effectively expand the movable range of the front row seat including the passenger seat with a simple configuration and effectively use the vehicle interior space. It is an object of the present invention to provide a vehicular seat device capable of greatly expanding a free space available to an occupant seated on a seat.

  The invention according to claim 1 is a vehicle in which a front row seat including a driver seat and a passenger seat is disposed, and a rear row seat is disposed on the rear side thereof. A seat rail member is provided to support the retreat from the side position to a position close to the rear row seat.

  According to a second aspect of the present invention, in the vehicle seat device according to the first aspect, the rear row seat positioned behind the passenger seat can be displaced between a normal use state and a retracted state in which the front and rear widths are reduced. In addition, the passenger seat is supported so as to be retractable to a position corresponding to the normal use state of the rear row seat in the retracted state.

  The invention according to claim 3 is the vehicle seat device according to claim 1 or 2, wherein the seat rail member that supports the outer side portion of the passenger seat extends in the front-rear direction along the side portion of the vehicle body. It is arranged on the side sill.

  According to a fourth aspect of the present invention, in the vehicle seat device according to the third aspect of the present invention, a seat rail member that supports the outer side portion of the passenger seat is disposed in the recess formed in the inner panel of the side sill. Is.

  According to a fifth aspect of the present invention, in the vehicle seat device according to the third aspect of the present invention, the recess formed in the inner panel of the side sill is used as a seat rail member that supports the outer side portion of the passenger seat. is there.

  The invention according to claim 6 is the vehicle seat device according to claim 1 or 2, wherein the seat rail member that supports the passenger seat is provided with a floor frame installation portion that extends in the front-rear direction of the vehicle body along the floor panel. It is arranged above.

  The invention according to claim 7 is the vehicle seat device according to claim 6, wherein a floor cross member extending in the vehicle width direction along the floor panel is disposed on the lower surface of the floor panel.

  According to an eighth aspect of the present invention, in the vehicle seat device according to any one of the first to seventh aspects, the seat rail member that supports the inner side portion of the passenger seat is disposed along the central portion of the vehicle body. It is disposed on a tunnel portion extending in the front-rear direction.

  According to the first aspect of the present invention, the passenger seat is moved along the seat rail member to a position near the rear row seat without requiring a complicated operation such as removing the rear row seat located on the rear side of the passenger seat seat. Since the vehicle can be moved backward, a wide free space can be formed on the side of the driver's seat and the front of the passenger's seat for effective use.

  In the invention according to claim 2, when the rear row seat located on the rear side of the passenger seat is not used, the seat cushion is flipped up so that the front and rear width of the rear row seat is reduced, and this storage is performed. Extremely wide free space on the side of the driver's seat and the front of the passenger's seat by retracting the passenger's seat along the seat rail member to a position corresponding to the normal use state of the rear row seats Can be effectively improved.

  In the invention according to claim 3, the seat rail member that supports the outer side portion of the passenger seat is disposed on the side sill composed of a rigid member that extends in the front-rear direction along the side portion of the vehicle body. The support rigidity of the member can be sufficiently secured, and the side sill can be reinforced to effectively improve the rigidity by welding the seat rail member to the side sill.

  In the invention which concerns on the said Claim 4, by installing the said seat rail member in the recessed part formed along the upper surface inner side part of the inner panel of a side sill, the installation state of this seat rail member is stabilized effectively. In addition, the seat rail member can be prevented from projecting above the side sill, and the passenger's boarding / exiting ability can be effectively improved.

  In the invention according to claim 5, since the inside of the recess formed in the inner panel of the side sill is used as a seat rail member that supports the outer side portion of the passenger seat, the structure can be simplified and the weight can be reduced. There is an advantage.

  In the invention according to claim 6, the seat rail member is supported by disposing the seat rail member on a floor frame installation portion made of a rigid member extending in the longitudinal direction of the vehicle body along the lower surface of the floor panel. There is an advantage that sufficient rigidity can be secured.

  According to the invention of claim 7, even when the seat rail member is installed on the upper surface of the floor panel so as to extend in the front-rear direction of the vehicle body, the floor cross member is installed along the lower surface of the floor panel. There is an advantage that the rigidity of the floor panel can be effectively secured.

  In the invention according to claim 8, since the seat rail member for supporting the inner side portion of the passenger seat 7 is disposed on the tunnel portion made of a rigid member extending in the front-rear direction along the center portion of the vehicle body, the seat rail is provided. It is possible to sufficiently secure the support rigidity of the member, and it is possible to reinforce the tunnel portion by welding the seat rail member to the tunnel portion and effectively improve the rigidity.

  1-5 has shown schematic structure of the vehicle which has the vehicle seat apparatus which concerns on embodiment of this invention. This vehicle is a so-called minivan type in which a vehicle compartment 2 having a plurality of entrances 1a, 1b in which a front door and a rear door are installed on a side surface is provided between a front wheel axle 3 and a rear wheel axle 4. In the passenger compartment 2, a floor panel 5 is provided between the left and right side sills 6, and a plurality of occupant seats 7 and 8 are disposed on the floor panel 5. That is, a front row seat 7 including a driver seat 7a and a passenger seat 7b is disposed at the front portion of the floor panel 5, and a pair of independent seats 8a, 8b divided into left and right are provided on the rear side. A rear row sheet 8 is arranged.

  Each of the occupant seats 7 and 8 is provided with a seat cushion 9 and a seat back 10, and at least the passenger seat 7 b and an independent seat located behind the seat (hereinafter referred to as passenger seat side rear row seat). 8b is provided with support members 11A and 11B that support the seat cushion 9 in a swingable manner. Then, as shown in FIG. 1, the passenger seat 7b and the passenger seat side rear row seat 8b installed in a substantially horizontal state of use are swung upwardly as shown in FIG. By raising, it is configured to be displaced to a retracted state in which the front-rear width is reduced.

  As shown in FIGS. 3 and 4, a tunnel portion 12 having a predetermined width extending in the front-rear direction of the vehicle body projects upward at the center of the floor panel 5 in the vehicle width direction. Left and right side end portions are fixed to the inner side surface of the side sill 6. A pair of left and right floor frames 14 extending in the front-rear direction of the vehicle body are fixed to the lower surface of the floor panel 5, and a pair of left and right front side frames extending into the engine room at the front portion of the vehicle body are attached to the front end portions thereof. 15 is provided integrally.

  A pair of front and rear floor cross members 16 and 17 that connect the tunnel portion 12 and the side sill 6 are fixed to the upper surface of the floor panel 5. A fuel tank 18 is installed below the tunnel portion 12 so as to extend in the front-rear direction of the vehicle body (see FIG. 5). A recess 12a is formed along one side of the upper surface of the tunnel portion 12 (side of the passenger seat 7b), and a seat rail member 19 that supports the inner side of the passenger seat 7b in the recess 12a. Is installed.

  The side sill 6 forms a closed cross section extending in the front-rear direction of the vehicle body by joining flange flange portions provided on the upper and lower sides of the outer pal 6a and the inner panel 6b to each other. And the recessed part 6c is formed along the upper surface inner side part of the said inner panel 6b, and the seat rail member 20 which supports the outer side part of the said passenger seat 7b is installed in this recessed part 6c.

  The seat rail members 19 and 20 are made of groove steel or the like having an open upper surface, and are configured such that the lower ends of the slide plates 21 and 22 are inserted therein. Then, a pair of left and right slide rollers 23 rotatably supported by a horizontal shaft provided at the lower ends of the slide plates 21 and 22 rolls along the bottoms of the seat rail members 19 and 20, etc. The slide plates 21 and 22 and the passenger seat 7b are slidably displaced in the front-rear direction of the vehicle body.

  As shown in FIGS. 6 to 10, the slide plate 21 positioned on the inner side of the vehicle body among the slide plates 21 and 22 has a locking mechanism 24 for locking the passenger seat 7 b at a desired front and rear position. Is provided. Further, the seat rail member 19 that supports the slide plate 21, that is, the seat rail member 19 located on the inner side of the vehicle body among the two seat rail members 19, 20, moves the passenger seat 7 b backward in a predetermined manner. A stopper mechanism 25 that restricts the position is provided.

  The locking mechanism 24 includes a lock plate 26 that is swingably supported on the side surface of the slide plate 21, and an operation lever 27 that swings the lock plate 26. The locking projections 26a project from the seat rail member 19 side, and slots 28 are formed on the side surfaces of the seat rail member 19 at predetermined intervals. Then, the locking projection 26a of the lock plate 26 is selectively engaged with the slot 28 of the seat rail member 19 in a state where the front-rear position of the passenger seat 7b is adjusted, so that the slide plate 21 and the assistant The back-and-forth movement of the seat 7b is restricted. Further, when the lock plate 26 is oscillated and displaced in the unlocking direction by the operation lever 27 to disengage the locking projection 26a from the slot 28, the locked state by the locking mechanism 24 is released, and the slide plate 21 and The front and rear movement of the passenger seat 7b is allowed.

  The stopper mechanism 25 includes a substrate 29 fixed to the lower surface of the seat rail member 19, a stopper member 30 supported on the upper surface of the substrate 29, and a lock plate 31 having a base end supported on the lower surface of the substrate 29. And an operating lever 32 for swinging the lock plate 31. The stopper member 30 includes a support portion 30a that is pivotally supported by a vertical axis 33 that protrudes from the substrate 29, and an upright portion 30b that protrudes upward from a side end of the support portion 30a. And a horizontal portion 30c attached to the upper end portion.

  In a normal state, the upper end portion of the lock plate 31 is fitted into the engagement hole 34 formed in the standing portion 30b of the stopper member 30, whereby the rotational displacement of the stopper member 30 is restricted. In this state, when the passenger seat 7b moves backward and the rear end of the slide plate 21 comes into contact with the horizontal portion 30c of the stopper member 30, as shown in FIG. It is regulated by the stopper member 30 of the mechanism 25. The position at which the passenger seat 7b is retracted by the stopper mechanism 25 is in a normal use state so that the passenger seat 7b can be prevented from coming into contact with a passenger's knee or the like seated on the rear passenger seat rear row seat 8b. Is set slightly forward of the seat cushion 9 of the passenger seat side rear row seat 8b.

  When the passenger seat 7b reaches the restricting position, the lock plate 31 is oscillated and displaced in the unlocking direction by the operation lever 32, and the upper end of the lock plate 31 is disengaged from the engagement hole 34, thereby the stopper member 30. Is allowed to rotate. As a result, when the backward restricting state of the slide plate 21 by the stopper member 30 is released and a pressing force for moving the passenger seat 7b rearward is applied, the stopper member 30 has the vertical axis 33 as a fulcrum as shown in FIG. The slide plate 21 and the passenger seat 7b can be retracted while being rotationally displaced.

  The passenger seat side rear row seat 8b positioned behind the passenger seat 7b is provided with a lock arm 36 for locking the seat cushion 9 in a horizontal use state. The horizontal portion 30c of the stopper member 30 is integrally provided with a drive lever 37 for releasing the locked state of the seat cushion 9 by the lock arm 36, and the drive lever 37 and the lock arm 36 are connected to a wire. 38 are connected together. Then, the rotational displacement of the drive lever 37 is transmitted to the lock arm 36 via the wire 38, so that the lock arm 36 is driven in the unlocked direction.

  That is, on the floor panel 5 positioned below the seat cushion 9 of the passenger seat side rear row seat 8b, as shown in FIGS. A striker 39 that is engaged with the lock arm 36 is provided on the lower surface of the seat cushion 9. Further, the seat cushion 9 of the passenger seat side rear row seat 8b is supported so as to be swingable with a support shaft 40 provided on the support member 11B as a fulcrum, and is associated with the support shaft 40 and the support member 11B. It is biased upward by biasing means 41 comprising a torsion coil spring that has been stopped.

  In a normal state, the biasing means is engaged with the striker 39 according to the biasing force of a biasing member made up of a torsion coil spring or the like (not shown), so that the biasing means as shown in FIG. The seat cushion 9 of the passenger seat side rear row seat 8b is locked in a substantially horizontal use state against the urging force of 41.

  As shown in FIG. 10, when the stopper member 30 and the drive lever 37 are rotationally displaced with the longitudinal axis 33 as a fulcrum as shown in FIG. 10 according to the pressing force that moves the passenger seat 7 b backward, the striker 39 is connected via the wire 38. By driving the lock arm 36 in the direction in which the engagement with the seat cushion is released, the locked state of the seat cushion 9 by the lock arm 36 is released as shown in FIG. As a result, according to the urging force of the urging member 41, the seat cushion 9 swings and displaces upward with the support shaft 40 as a fulcrum, and the seat cushion 9 is flipped up as shown in FIGS. As a result, the seat cushion 9 and the seat back 10 are stowed in the stowed state, that is, the front-rear width of the passenger seat side rear row seat 8b is reduced.

  As described above, the seat cushion 9 of the passenger seat side rear row seat 8b is pivoted and displaced upward to reduce the front-rear width (retracted state), and the position corresponding to the normal use state (before being lifted up) The rear end portions of the seat rail members 19 and 20 are extended to the normal use position of the passenger seat side rear row seat 8b so that the passenger seat seat 7b can be moved backward to the position where the seat cushion 9 is installed. .

  Further, as shown in FIG. 15, the passenger seat 7 b is lifted up by the seat cushion 9 swinging upward with a support shaft 42 provided on the support member 11 </ b> A as a fulcrum. And the seat back 10 are configured to be displaceable in a stowed storage state facing each other in a standing state, and the passenger seat 7b can be advanced to a position close to the instrument panel 43 in the retracted state. The front end portions of the members 19 and 20 are extended to the vicinity of the lower end portion of the instrument panel 43.

  Further, on the rear side surface of the passenger compartment 2, a retractor 45 for winding up a seat belt 44 for protecting an occupant seated in the rear row seat 8, an anchor 46 for supporting the seat belt 44 on the upper side of the vehicle body, and a seat belt A three-point seat belt mechanism 47 having a buckle (not shown) or the like for locking the front end of 44 to the vehicle body side is provided. As shown in FIG. 14, the seat belt mechanism 47 can be used for the passenger seat 7b when the passenger seat 7b is retracted to a position corresponding to the normal use state of the passenger seat side rear row seat 8b. It is installed in a proper position.

  By releasing the restraint state of the passenger seat 7b by the locking mechanism 24 in the above configuration, the passenger seat 7b is moved to the rear side of the vehicle body from the normal position shown in FIG. 1 (side position of the driver seat 7a). When the passenger seat 7b reaches the slightly forward side of the seat cushion 9 of the rear seat 8 in the normal use state, the stopper mechanism 25 restricts the backward movement of the passenger seat 7b. .

  In order to further retract the passenger seat 7b from this state, after releasing the retraction restricted state by the stopper mechanism 25, the passenger seat 7b is slid to the rear side of the vehicle body and the stopper member 30 is rotationally displaced. As a result, the drive lever 37 is driven in the unlocking direction of the lock arm 36. As a result, the locking state of the seat cushion 9 of the passenger seat side rear row seat 8b by the lock arm 36 is released, and the seat cushion 9 is moved up to the urging means 41 according to the urging force to shift to the retracted state. To do. For this reason, the passenger seat 7b is allowed to further retract along the seat rail members 19 and 20, and as shown in FIG. 14, the passenger seat 7b reaches a position corresponding to the normal use state of the passenger seat side rear row seat 8b. The sheet 7b can be moved backward.

  As described above, in the vehicle in which the front row seat 7 including the driver seat 7a and the passenger seat 7b is disposed in the passenger compartment 2 and the rear row seat 8 is disposed on the rear side, the passenger seat Since the seat rail members 19 and 20 that support the seat 7b so as to be retractable from the side position of the driver seat 7a to the position close to the passenger seat side rear row seat 8b are provided, the movable range of the passenger seat 7b can be increased with a simple configuration. It is possible to effectively expand the vehicle interior space effectively, and to greatly expand the free space that can be used by passengers seated on the driver seat 7a and the passenger seat 7b.

  That is, when the passenger seat side rear row seat 8b is not used, the passenger seat seat 7b is retracted along the seat rail members 19 and 20 to a position where the passenger seat side rear row seat 8b contacts the seat cushion 9. Without requiring complicated work such as removing the passenger seat side rear row seat 8b, a wide free space can be formed on the side of the driver seat 7a and on the front side of the passenger seat 7b for effective use. .

  In particular, in the above-described embodiment, the seat cushion 9 of the passenger seat side rear row seat 8b is swingably displaced upward and is flipped up so that the front and rear width of the passenger seat side rear row seat 8b can be displaced into a retracted state. At the same time, since the passenger seat 7b can be retracted to the position corresponding to the normal use state of the passenger seat side rear row seat 8b in the retracted state, complicated operations such as removing the passenger seat side rear row seat 8b are required. Therefore, the retractable range of the passenger seat 7b that moves back and forth along the seat rail members 19 and 20 can be greatly expanded. Therefore, when the passenger seat rear row seat 8b is not used, it is possible to form a very wide free space on the side of the driver seat 7a and the front of the passenger seat 7b to effectively improve the usability. it can.

  Further, as shown in the above embodiment, the seat cushion 9 of the passenger seat side rear row seat 8b is swung upwardly with the support shaft 40 provided on the support member 11B as a fulcrum, and the above When the urging means 41 that swings and displaces the seat cushion 9 upward is provided, by releasing the locking state of the seat cushion 9 by the lock arm 36, the seat cushion 9 is automatically lifted up to be an assistant. There is an advantage that the seat side rear row seat 8b can be easily shifted to the retracted state.

  In the above embodiment, the seat rail member 20 that supports the outer side portion of the passenger seat 7b is disposed on the side sill 6 made of a rigid member that extends in the front-rear direction along the side portion of the vehicle body. 20 can be sufficiently secured, and the side sill 6 can be reinforced with the seal rail member 20 by, for example, welding the seat rail member 20 to the side sill 6 to effectively improve the rigidity. .

  In particular, in the above embodiment, since the seat rail member 20 is installed in the recess 6c formed along the inner side of the upper surface of the inner panel 6b of the side sill 6, the installation state of the seat rail member 20 is effective. The seat rail member 20 can be prevented from projecting above the side sill 6 and the passenger's boarding / exiting performance can be effectively improved.

  Further, as shown in the above-described embodiment, the seat rail member 19 that supports the inner side portion of the passenger seat 7b is disposed on the tunnel portion 12 made of a rigid member that extends in the front-rear direction along the center portion of the vehicle body. In this case, the support rigidity of the seat rail member 19 can be sufficiently secured, and the tunnel portion 12 is reinforced by the seal rail member 19 by welding the seat rail member 19 to the tunnel portion 12 or the like. Stiffness can be effectively improved.

  In the above-described embodiment, when the passenger seat 7b reaches the slightly forward side of the seat cushion 9 of the rear seat 8 in the normal use state, the backward movement of the passenger seat 7b is regulated by the stopper mechanism 25. Thus, when the passenger seat 7b is retracted, there is an advantage that the passenger seat 7b can be effectively prevented from coming into contact with the occupant's knee or the like seated on the passenger seat side rear row seat 8b.

  Then, after operating the operation lever 32 provided in the stopper mechanism 25 to release the backward restriction state, the passenger seat 7b is slid to the rear side of the vehicle body, so that the stopper member 30 is rotationally displaced. In addition, since the drive lever 37 is driven in the unlocking direction of the lock arm 36 in conjunction with this, the seat cushion 9 of the passenger seat side rear row seat 8b is appropriately applied to the biasing means 41 according to the biasing force. It is possible to jump to the storage state at a proper timing.

  In place of the above-described embodiment in which the seat cushion 9 of the passenger seat side rear row seat 8b is flipped up in accordance with the biasing force to the biasing means 41 to shift to the retracted state, the backward operation of the passenger seat 7b is performed. Accordingly, a drive link for flipping up the seat cushion 9 of the passenger seat side rear row seat 8b is provided, or when the passenger swings the seat cushion 9 manually, the passenger seat side seat 7b is shifted to the retracted state. You may comprise. Further, an electric drive mechanism or a drive cylinder for swinging and displacing the seat cushion 9 is provided, and the seat according to the output signal of the detecting means for detecting that the passenger seat 7b is operated backward or the switch operation of the passenger You may comprise so that the cushion 9 may be flipped up automatically.

  Further, as shown by phantom lines in FIG. 16, the seat back 10 is tilted toward the front side of the vehicle body by supporting the seat back 10 of the passenger seat side rear row seat 8b to be tiltable with the support shaft 40 as a fulcrum. The seat cushion 9 is configured to be foldable, and is provided with a locking mechanism 48 that locks the rear end of the seat cushion 9 on the floor, and a support link 49 that supports the seat cushion 9 in a swingable manner. It is good also as a structure. The locking mechanism 48 is engaged with a striker 50 provided on the lower surface of the seat cushion 9, thereby locking the seat cushion 9 in a substantially horizontal use state, and the lock arm 51 A drive lever 52 that disengages the engaging portion from the striker 50 is provided.

  Then, the driving lever 52 is operated to release the locked state of the seat cushion 9 by the lock arm 51, and the passenger seat side rear row seat is supported by the support link 49 in a state where the seat back 10 is folded on the seat cushion 9. As shown in FIG. 17, the passenger seat side rear row seat 8b is stored in the storage recess 53 provided in the floor panel 5 by swinging and displacing to the front side of the vehicle body while supporting the 8b. In this case, the retracted area of the passenger seat 7b, that is, the front and rear width of the passenger seat side rear row seat 8b on the moving area of the seat cushion 9 can be reduced to 0, so that By moving the passenger seat 7b upward, there is an advantage that the movable range of the passenger seat 7b to the rear side can be further expanded.

  Further, the rear row sheet 8 is constituted by a plurality of independent sheets 8a and 8b divided into left and right, and each of the independent sheets 8a and 8b is provided in the rear row sheet 8 in place of the above-described embodiment configured to be individually storable. The seat cushion 9 and the seat back 10 of a plurality of seats can be integrally formed, and the seat cushion 9 or the seat back 10 can be oscillated and displaced to simultaneously store the respective seats.

  However, as shown in the above embodiment, when the individual seats 8a and 8b are configured to be individually retractable, the independent seat 8a located on the rear side of the driver seat 7a is maintained in a normal use state. The passenger seat 7b is moved to a position corresponding to the normal use position of the passenger seat rear row seat 8b in the retracted state, and as shown in FIG. 18, the passenger seat 7b is located on the side of the independent seat 8a. By positioning, there is an advantage that a plurality of passengers can be seated side by side on the passenger seat 7b and the independent seat 8a while forming a wide free space in front of the passenger seat 7b.

  In particular, when the passenger seat side rear row seat 8b is in the retracted state and the passenger seat seat 7b is moved rearward, the seat cushion 9 of the passenger seat seat 7b and the independent seat 8a located on the rear side of the driver seat 7a. When the seat cushions 9 are installed at substantially the same height so as to form a continuous seating surface, the passenger seat 7b and the seat cushion 9 of the independent seat 8a are integrated. Since it can be used, the usability of the vehicle seat can be effectively improved. The passenger seat rear row seat 8b in the retracted state as described above is moved slightly rearward from the normal use position so that the seat cushion 9 of the passenger seat seat 7b and the independent seat on the driver seat seat 7a side are provided. A completely continuous seating surface may be constituted by the seat cushion 9 of 8a.

  In the above embodiment, the seat cushion 9 of the passenger seat 7b is swung upwardly and is flipped up so that the front and rear width of the passenger seat 7b is reduced, so that the passenger seat is retracted. There is an advantage that the array patterns of 7 and 8 can be more effectively diversified. For example, as shown in FIG. 19, the passenger seat 7b and the passenger seat rear row seat 8b are both retracted, and the passenger seat seat 7b is retracted to a position corresponding to the normal use state of the passenger seat rear row seat 8b. Thus, it is possible to form a very wide free space on the side of the driver seat 7a.

  In particular, as shown in FIG. 15, the passenger seat 7 b can be moved to a position close to the instrument panel 43 in the front of the passenger compartment as a retracted state in which the seat cushion 9 of the passenger seat 7 b is flipped upward. In the case where the seat rail members 19 and 20 for the passenger seat 7b are provided, a wide free space can be formed on the rear side of the passenger seat 7b, so that the passenger can get on and off the rear row seat 8 effectively. Can be improved. Further, as shown in FIG. 20, the passenger seat 7b is moved to a position close to the instrument panel 43 in the front of the passenger compartment in a retracted state in which the seat cushion 9 of the passenger seat 7b is flipped upward, and the assistant By setting the seat-side rear row seat 8b in the above-described storage state, there is an advantage that a wide free space can be formed on the side of the driver seat 7a and the independent seat 8a located behind the driver seat 7a.

  Further, as shown by the phantom line in FIG. 18, when the child seat 54 is configured to be attachable to the passenger seat 7b, the passenger seat 7b on which the child seat 54 is attached is set in the retracted state. By moving the rear seat 8b to a position corresponding to the normal use position, it is convenient for the passenger seated on the independent seat 8a located behind the driver seat 7a to take care of the child on the child seat 54. The passenger seat can be arranged at the same time, and the safety of the child seat 54 can be improved by positioning the child seat 54 on the rear side of the vehicle body.

  Moreover, as shown in the said embodiment, in the vehicle by which the several entrance 1a, 1b was provided in the side surface of the compartment 2, as shown in FIG. 14 and FIG. The passenger can get on and off the driver seat 7a and the passenger seat 7b from various directions while being moved to a position corresponding to the normal use position of the passenger seat rear row seat 8b. There is an advantage that the boarding / exiting ability can be improved effectively.

  Further, in the above embodiment, the seat belt mechanism 47 for protecting the occupant seated on the rear row seat 8 is provided on the rear side surface of the passenger compartment 2, and the passenger seat side rear row seat 8b is normally used as shown in FIG. When the passenger seat 7b is retracted to a position corresponding to the state, the seat belt mechanism 47 is installed at a position where it can be used for the passenger seat 7b. In spite of this, there is an advantage that the safety of the occupant can be secured by the seat bell mechanism 47 with a simple configuration.

  The independent seat 8a disposed on the rear side of the driver's seat 7a is configured to be changeable between a normal use state and a retracted state in which the front-rear width is reduced, like the passenger seat side rear seat 8b. At the same time, the driver seat 7a is slid along the seat rail member in the front-rear direction of the vehicle body in the same manner as the passenger seat 7b, so that the position corresponding to the normal use state of the independent seat 8a in the retracted state. It may be configured to be retractable up to.

  Further, instead of the above-described embodiment in which the seat rail member 20 is installed in the recess 6c formed along the inner side of the upper surface of the inner panel 6b of the side sill 6, an inner panel as shown in FIG. A pair of left and right slide rollers 23 provided at the lower end of the slide plate 22 is inserted into a recess 6d formed along the upper surface of 6b, or on the side of the inner panel 6b as shown in FIG. A slide roller 55 provided at the lower end of the slide plate 22 is inserted into the recess 6e formed along the slide plate 22 and the slide rollers 23 and 55 are rolled about a horizontal axis as a fulcrum. You may comprise so that the recessed part 6e may be used as a seat rail member. Such a configuration has the advantage that the structure can be simplified and the weight can be reduced. It is preferable to provide a locking plate 56 for preventing the slide rollers 23 and 55 from being detached from the recesses 6d and 6e.

  Further, as shown in FIG. 23, a slide roller 55 provided at the lower end of the slide plate 21 is inserted into the recess 12b formed along the side surface of the tunnel portion 12, or as shown in FIG. A pair of left and right slide rollers 23 provided at the lower end portion of the slide plate 21 is inserted into a recess 12a formed on the inner side of the upper surface of the tunnel portion 12, and the slide rollers 55, 23 are supported with a horizontal axis as a fulcrum. May be configured to use the concave portion 12b or the concave portion 12a as a seat rail member.

  In particular, as shown in FIG. 23, by using the recess 12b formed along the side surface portion of the tunnel portion 12 as a seat rail member, the lower end portion of the slide plate 21 is inserted into the recess 12b. The slide in which the lower end is inserted into the recess 6d by restraining the vertical movement and using the recess 6d formed along the upper surface of the inner panel 6b as a seat rail member as shown in FIG. In the case where the lateral movement of the plate 22 is constrained, the passenger seat is provided without the locking member 56 for locking the lower ends of the slide plates 21 and 22 in the recess 12b and the recess 6b. The passenger seat 7b can be movably supported in the front-rear direction of the vehicle body while preventing the seat 7b from being detached from the seat rail member. There is an advantage to say.

  Further, as shown in FIG. 24, by using the recess 12c formed along the upper surface portion of the tunnel portion 12 as a seat rail member, the lower end portion of the slide plate 21 is inserted into the recess 12c. As shown in FIG. 22, the lower end is inserted into the recess 6b by using the recess 6e formed along the side surface of the inner panel 6b as a seat rail member. In the case where the vertical movement of the slide plate 22 is constrained, the vehicle body in the state in which the passenger seat 7b is prevented from being detached from the seat rail member without providing the locking member 56 in the same manner. The passenger seat 7b can be movably supported in the front-rear direction.

  Instead of the above-described embodiment in which the seat rail member 20 is installed along the inner side of the upper surface of the inner panel 6b of the side sill 6, the seat is placed on the upper surface of the floor panel 5 as shown in FIG. The rail member 20 may be installed. In this case, by providing the seat rail member 20 on the installation portion of the floor frame 14 made of a rigid member extending in the front-rear direction of the vehicle body along the lower surface of the floor panel 5, the support rigidity of the seat rail member 20 is increased. It is desirable to configure so as to be secured. When the seat rail member 20 is installed on the upper surface of the floor panel 5 as described above so as to extend in the longitudinal direction of the vehicle body, the floor cross members 16 and 17 are disposed on the upper surface side of the floor panel 5. Therefore, it is preferable to install the floor cross members 16 and 17 along the lower surface of the floor panel 5.

  Further, in a vehicle without the tunnel portion 12 extending in the front-rear direction of the vehicle body along the center portion of the floor panel 5, a seat rail member that supports the inner side portion of the passenger seat 7b, that is, the lower end portion of the slide plate 19 is used. It is good also as a structure which installed in the upper surface of the floor panel 5 the seat rail member which consists of groove type steel which supports the slide roller 23 provided in this so that rolling is possible. According to this structure, there exists an advantage that the said seat rail member can be installed in arbitrary positions.

1 is a side view showing an embodiment of a vehicle seat device according to the present invention. 1 is a perspective view showing an embodiment of a vehicle seat device according to the present invention. It is a top view which shows the specific structure of a floor panel. It is a perspective view which shows the specific structure of a floor panel. It is front sectional drawing which shows the installation state of a seat rail member. It is a perspective view which shows the specific structure of the latching mechanism of a passenger seat, and a stopper mechanism. It is a front view which shows the specific structure of a latching mechanism. It is a front view which shows the specific structure of a stopper mechanism. It is a top view which shows the latching state of a slide plate. It is a top view which shows the latch release state of a slide plate. It is a side view which shows the state which latched the seat cushion of the passenger seat side back row seat. It is a side view which shows the latch release state of the seat cushion of a passenger seat side rear row seat. It is a side view which shows the state which flipped up the seat cushion of the passenger seat side back row seat. It is a side view which shows the state which retracted the passenger seat. It is a side view which shows the state which advanced the passenger seat. It is a side view which shows another embodiment of this invention. It is a side view which shows the state which stored the passenger seat side back row seat. It is a top view which shows the installation state of a child seat. It is a top view which shows the state which retracted the passenger seat. FIG. 6 is a plan view showing a state in which the passenger seat side rear row seat is stored and the passenger seat seat is advanced. It is front sectional drawing which shows another example of the installation structure of a seat rail member. It is front sectional drawing which shows another example of the installation structure of a seat rail member. It is front sectional drawing which shows another example of the installation structure of a seat rail member. It is front sectional drawing which shows another example of the installation structure of a seat rail member. It is front sectional drawing which shows another example of the installation structure of a seat rail member.

Explanation of symbols

1a, 1b Entrance / exit 2 Car compartment 5 Floor panel 6 Side sill 6a Inner panel 6d, 6e Recess 7 Front row seat 7a Driver's seat 7b Passenger seat (front row)
8 Rear row seat 8a Independent seat 8b Passenger side rear row seat (Independent seat)
9 Seat cushion 10 Seat back 12 Tunnel portion 14 Floor frame 16, 17 Floor cross member 19, 20 Seat rail member

Claims (8)

  In a vehicle in which a front row seat consisting of a driver seat and a passenger seat is disposed and a rear row seat is disposed on the rear side, the passenger seat is located close to the rear row seat from the side position of the driver seat. A vehicle seat apparatus comprising a seat rail member that is supported so as to be retractable to the position.   The rear row seat located behind the passenger seat is configured to be displaceable between a normal use state and a retracted state in which the front and rear widths are reduced, and up to a position corresponding to the normal use state of the rear row seat in the retracted state. 2. The vehicle seat device according to claim 1, wherein the passenger seat is supported so as to be retractable.   3. The vehicle seat device according to claim 1, wherein a seat rail member that supports an outer side portion of the passenger seat is disposed on a side sill extending in the front-rear direction along the side portion of the vehicle body. .   4. The vehicle seat device according to claim 3, wherein a seat rail member that supports an outer side portion of the passenger seat is disposed in a recess formed in the inner panel of the side sill.   The vehicular seat device according to claim 3, wherein the recess formed in the inner panel of the side sill is used as a seat rail member that supports the outer side portion of the passenger seat.   3. The vehicle seat device according to claim 1, wherein a seat rail member that supports the passenger seat is disposed on a floor frame installation portion that extends in the front-rear direction of the vehicle body along the floor panel.   The vehicle seat device according to claim 6, wherein a floor cross member extending in the vehicle width direction along the floor panel is disposed on a lower surface of the floor panel.   The seat rail member that supports the inner side portion of the passenger seat is disposed on a tunnel portion that extends in the front-rear direction along the center portion of the vehicle body. Vehicle seat device.

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