JP2011116224A - Seat device of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat device of a vehicle for improving the vehicle body rigidity by a cross member and increasing the capacity of a luggage compartment without downsizing a luggage compartment space disposed on the rear side by moving a seat cushion forward and downward when a seat is folded. <P>SOLUTION: The seat 30 includes a moving means 41 for moving the seat cushion 31 forward to overlap the cross member 9 in the front-back direction when a seat back 32 is tilted forward and for moving at least part of the seat cushion 31 to be lower than an upper surface of the cross member 9. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a seat device for a vehicle, and more specifically, a cross member that protrudes from a floor panel into a vehicle interior and is disposed in the vehicle width direction, a seat cushion disposed on the floor panel, and a front seat on the seat cushion. Including a seat back that is supported in a tiltable manner, the seat being disposed above the cross member and at a position separated from the floor panel, and a luggage compartment is formed behind the seat. The present invention relates to a vehicle seat device.

In general, a large projecting vehicle is projected between the left and right rear wheel houses across the width of the vehicle in order to improve the rear body rigidity of the vehicle, in particular to prevent the rear wheel house from falling down due to the load input of the rear suspension. A cross member may be provided.
In a station wagon or minivan, it is desirable to secure as much luggage space as possible at the rear of the vehicle.

  However, when a large cross member as described above is protruded into the vehicle interior and disposed in the vehicle width direction, if a seat is disposed on the upper portion of the large cross member, it is necessary to increase the cargo space. Even if the seat is folded, there is a problem that the height in the vertical direction of the cargo compartment cannot be secured sufficiently and the passenger's needs cannot be satisfied.

On the other hand, in Patent Document 1, a rear vertical wall is erected and fixed to a rear floor, and a seat back of a rear seat is pivotally supported on the rear vertical wall so as to be able to fall forward, and a seat cushion of a rear seat is connected to the rear floor via a link. The seat cushion frame rear part of the seat cushion is connected to the lower part of the seat back so that when the seat back is folded forward from the standing state, the seat cushion moves forward and downward via the link. Has been disclosed.
However, Patent Document 1 does not disclose any configuration for moving the seat cushion forward while avoiding the cross member when the seat is folded.

  Further, in Patent Document 2, a bracket is erected and fixed on the rear floor, and a seat back of the rear seat is pivotally supported on the bracket so that the seat cushion of the rear seat is supported on the rear floor via a plurality of links. Of the plurality of links, the front link corresponding to the cross member is bent in a U shape so as to straddle the cross member, and when the seat back is folded forward from the standing state, interference with the cross member A configuration in which the seat cushion moves downward and rearward while avoiding the above is disclosed.

However, the one disclosed in Patent Document 2 has a problem in that the rear space of the luggage compartment is narrowed because the seat cushion moves downward and rearward when the seat is folded.
Also, in Patent Document 2, the seat cushion is not moved forward while avoiding the cross member when the seat is folded.

JP 2004-114792 A JP 2003-220869 A

  Therefore, according to the present invention, when the seat back is moved forward, the seat cushion is moved forward while overlapping with the cross member in the front-rear direction, and at least a part of the seat cushion is moved downward from the upper surface of the cross member. By providing the moving means, it is possible to improve the vehicle body rigidity by the cross member, and at the time of folding the seat, the seat cushion is moved forward and downward to sacrifice the luggage space disposed at the rear. It is an object of the present invention to provide a vehicle seat device that can increase the capacity of the luggage compartment without having to be.

A vehicle seat device according to the present invention includes a floor panel that forms a bottom surface of a passenger compartment, a cross member that protrudes from the floor panel into the passenger compartment and is disposed across the vehicle width direction, and is disposed on the floor panel. A seat cushion and a seat back supported on the seat cushion so as to be able to move forward, the seat being disposed above the cross member and spaced from the floor panel; A vehicle seat device in which a luggage compartment is formed at the rear of a seat, and when the seat is moved forward, the seat cushion moves forward while overlapping the cross member in the front-rear direction. A moving means for moving at least a part of the seat cushion downward from the upper surface of the cross member is provided.
The cross member described above is preferably a large cross member.
According to the above configuration, since the cross member that protrudes from the floor panel and extends in the vehicle width direction is provided, the cross member can improve the rigidity of the vehicle body, particularly the torsional rigidity of the vehicle body.

Moreover, when the seat back is tilted forward, the moving means moves the seat cushion forward while overlapping the cross member in the front-rear direction, and at least a part of the seat cushion is positioned above the upper surface of the cross member. Since the seat cushion is folded, at the time of folding the seat, the seat cushion is moved forward, and at least a part of the seat member is moved downward from the cross member so that the front and rear width and the vertical width of the cargo space disposed at the rear are increased. The cargo space capacity can be increased without sacrificing.
In other words, the seat can be moved without sacrificing the luggage compartment disposed behind the seat.

In one embodiment of the present invention, the seat cushion is moved by the moving means so that the front portion of the seat cushion is positioned above the rear portion of the seat cushion.
According to the above configuration, when the seat is folded, the seat is disposed so as to be tilted backward, so that it can be easily performed when loading and unloading the luggage.

In one embodiment of the present invention, the moving means includes a front link that guides the front end of the seat cushion forward from the cross member, and a rear side that guides the rear portion of the seat cushion below the top surface of the cross member. And a link.
According to the said structure, since the front end of a seat cushion is moved ahead from a cross member with the above-mentioned moving means, especially a front side link, as large a luggage space as possible can be ensured behind the seat.

In one embodiment of the present invention, the lower surface of the seat cushion is provided with a recessed portion that is recessed upward at a position corresponding to the cross member when the seat is folded.
According to the said structure, the seat cushion at the time of folding can be moved as much as possible downward by the above-mentioned recessed part, As a result, a large luggage space can be ensured. In particular, the space in the vertical direction of the cargo space can be expanded.

In one embodiment of the present invention, a pair of left and right rear side frames extending in the front-rear direction are disposed on the side of the floor panel and the cargo compartment so as to protrude into the vehicle interior, and the seat cushion in a seated state is the rear side in a plan view. In addition to being disposed at a position overlapping the frame, the seat cushion lower surface moves downward from the rear side frame upper surface when the seat is folded.
According to the above configuration, when the seat cushion is in the seated position, the seat cushion width (width in the vehicle width direction) is secured to improve the seating comfort of the occupant. Can be moved to a position lower than the upper surface of the rear side frame to secure a cargo space.

In one embodiment of the present invention, the side portion of the seat cushion is provided with a connecting portion that connects the seat cushion and the seat back, and the connecting portion is disposed on the inner side in the vehicle width direction of the rear side frame. It has been done.
According to the above configuration, since the connecting portion is disposed on the inner side in the vehicle width direction of the rear side frame, it is possible to prevent the interference with the rear side frame when the seat is folded and to secure the cargo space capacity.

In one embodiment of the present invention, when the seat is folded, the back surface of the seat back and the cargo compartment floor forming the bottom surface of the cargo compartment continuously form a cargo compartment surface.
According to the above configuration, when the seat is folded, the back surface of the seat back and the cargo compartment floor continuously form a cargo compartment surface (preferably a cargo compartment surface without a step), thereby improving the loadability of the luggage. Can be achieved.

In one embodiment of the present invention, the cross member is disposed between the left and right rear wheel houses that bulge from the side wall of the vehicle body into the vehicle interior.
According to the above configuration, since the cross member is disposed between the rear wheel houses, the vehicle body rigidity around the rear wheel house can be improved, and the rear wheel house can be prevented from falling down.

  According to this invention, when the seat back is moved forward, the seat cushion is moved forward while overlapping the cross member in the front-rear direction, and at least a part of the seat cushion is moved downward from the upper surface of the cross member. Since the moving means is provided, the cross member can improve the rigidity of the vehicle body, and at the time of folding the seat, the seat cushion is moved forward, and at least a part is moved below the cross member. There is an effect that the cargo space capacity can be increased without sacrificing the front-rear width and the vertical width of the cargo space disposed behind.

The side view which shows the vehicle seat apparatus of this invention Plan view of the main part of FIG. 1 is an enlarged side view of the main part of FIG. A perspective view showing a seat device of a vehicle Plan view when folding the seat Side view when folding the seat AA arrow sectional view of FIG. BB sectional view of FIG. CC sectional view taken on line CC of FIG. Side view showing another embodiment of a vehicle seat device in a normal seating state Side view when folding the seat

  The purpose of the vehicle is to improve the vehicle body rigidity with the cross member, and to move the seat cushion forward and downward when the seat is folded to increase the cargo compartment capacity without sacrificing the rear cargo compartment space. A floor panel that forms a bottom surface of the room, a cross member that protrudes from the floor panel into the vehicle interior and that is disposed across the vehicle width direction, a seat cushion that is disposed on the floor panel, and a front-end on the seat cushion. A seat back having a seat back that is supported, and the seat is disposed above the cross member and at a position spaced apart from the floor panel, and a luggage compartment is formed behind the seat. A seat device for a vehicle, wherein when the seat is moved forward, the seat cushion is opened with the cross member in the front-rear direction. It is moved forward while wrapped and at least a portion of the seat cushion is realized by constituting that includes moving means for moving downward the upper surface of the cross member.

An embodiment of the present invention will be described in detail with reference to the drawings.
The drawings show a vehicle seat device. First, a vehicle body structure will be described with reference to FIGS. 1 and 2.

A floor panel 2 (specifically, a rear floor) forming the bottom surface of the passenger compartment 1 is provided, and a rear end panel 3 is erected and fixed to the rear end portion of the floor panel 2.
A rear end member 4 is joined and fixed to the rear side of the rear end panel 3 described above, and a rear end closed section 5 extending in the vehicle width direction is formed between the rear end panel 3 and the rear end member 4 to improve the rear vehicle body rigidity. It is comprised so that it may aim. A rear bumper 6 is disposed on the rear side of the rear end member 4 described above.

In addition, left and right rear wheel houses 7 and 7 (only the right rear wheel house 7 are shown in the drawing are shown) that bulge into the vehicle compartment 1 from the side wall of the vehicle body and constitute a part of the floor panel 2 described above. A kick-up portion 8 having a front and rear height is provided, and a large-sized cross member (so-called No. 4 cross member) 9 is provided so as to protrude from the kick-up portion 8 into the vehicle compartment 1 and extend in the vehicle width direction. The cross member 9 is disposed between the left and right rear wheel houses 7 and 7 so as to improve the lower vehicle body rigidity and the torsional rigidity and prevent the rear wheel house 7 from falling down.
A closed cross section 10 extending in the vehicle width direction is formed between the large cross member 9 and the kick-up portion 8 as a floor panel.

A lower cross member 11 is disposed below the kick-up portion 8 to which the cross member 9 is bonded and fixed so as to correspond to the position at which the cross member 9 is disposed, and the kick-up portion 8 and the lower cross member 11 are disposed. A closed cross-section 12 extending in the vehicle width direction is formed between the two and the two closed cross-sections 10 and 12 facing each other up and down across the kick-up portion 8 so as to further improve the lower vehicle body rigidity and the torsional rigidity. It is configured.
A rear cross member 13 extending in the vehicle width direction is joined and fixed to the lower portion of the floor panel 2 corresponding to the intermediate position between the kick-up portion 8 and the rear end panel 3 in the vehicle longitudinal direction. 13 and the floor panel 2 are formed with a closed section 14 extending in the vehicle width direction so as to improve the rigidity of the lower vehicle body.

  On the other hand, a rear header 16 is joined and fixed to the lower rear end portion of the roof panel 15, and a header closed section 17 extending in the vehicle width direction is formed between the rear header 16 and the lower rear end portion of the roof panel 15. The upper body rigidity is improved.

Behind a seat 30 to be described later, a cargo compartment 18 is formed between the roof panel 15 and the floor panel 2, and a lift gate 19 is provided to open and close the rear opening of the cargo compartment 18.
The lift gate 19 has a gate outer panel 20, a gate inner panel 21, and a rear window glass 22, and opens and closes with the rear portion of the rear header 16 as a fulcrum.

As shown in FIGS. 2 and 7, on the side of the floor panel 2 and the luggage compartment 18 described above, a rear side frame upper 23 as a pair of left and right rear side frames extending in the front-rear direction of the vehicle (however, in the drawings, on the right side of the vehicle). (Only the rear side frame upper 23 is shown) protrudes into the passenger compartment 1.
A rear side frame under 24 is provided so as to correspond to the above-described rear side frame upper 23 in the vertical direction, and a rear side closed cross section 25 extending in the front-rear direction of the vehicle is formed between the rear side frame upper 23 and the rear side frame under 24. The side vehicle body rigidity is improved.

As shown in FIG. 7, the aforementioned rear side frame under 24 has a substantially concave cross section when viewed from the front, and this rear side frame under 24 is joined between the rear wheel house 7 and the lower surface of the floor panel 2. It is fixed.
Further, the above-described rear side frame upper 23 is joined and fixed between the inner side of the upper end of the vehicle outer side piece of the rear side frame under 24 and the upper surface of the floor panel 2.
In FIG. 1, reference numeral 26 denotes a rear side glass.

Next, the vehicle seat device will be described in detail.
In this embodiment, the third row seat device in the third row seat wheel is shown. In the following description, among the separate seats divided into left and right, the seat device for the separate seat located on the right side of the vehicle will be described, but the seat device for the separate seat located on the left side of the vehicle is configured similarly to that on the right side. Is.

  3 is an enlarged side view of the main part of FIG. 1, FIG. 4 is a perspective view showing the seat device of the vehicle, and FIG. 5 is a plan view when the seat is folded (however, in FIG. 6 is a side view of FIG. 5, and a seat 30 is disposed on the floor panel 2 as shown in FIGS. 1 to 6.

  The seat 30 is disposed on the floor panel 2 and constitutes a seat cushion 31 that constitutes a seating surface of the occupant, and a seat back 32 that is supported on the seat cushion 31 so as to be able to move forward and constitutes a backrest surface of the occupant. It has.

  As shown in FIGS. 1 and 3, the seat 30 is disposed above the cross member 9 and spaced apart from the floor panel 2, and behind the seat 30. The aforementioned luggage compartment 18 is formed.

  Also, as shown in a perspective view of the normal seating state of the seat 30 in FIG. 4, a pair of left and right connections is provided between the narrow portion side portion at the rear portion of the seat cushion 31 and the narrow portion side portion at the lower portion of the seat back 32. As shown in plan views in FIGS. 2 and 5, the connecting portion 33 is disposed on the inner side in the vehicle width direction with respect to the rear side frame upper 23.

As shown in FIGS. 3 and 4, the seat cushion 31 includes a pair of left and right brackets 34, 34, front links 35, 35 and rear links 36, provided on the front and rear sides of the brackets 34, 34, respectively. It is disposed on the floor panel 2 via 36.
The bracket 34 described above is formed by integrally forming a vertical piece 34c having a front protrusion piece 34a and a rear protrusion piece 34b, and an attachment piece 34d. The attachment piece 34d is fixed to the upper surface of the floor panel 2, and a front protrusion is provided. The lower surface of the front link 35 is connected to the opposing surfaces of the pieces 34a, 34a via a pin 37 serving as a pivot shaft. The upper part of the above-mentioned front side link 35 is connected with seat cushion 31 via pin 38 as a pivot. A rear side link 36 is connected to the opposing surfaces of the rear side protruding pieces 34b, 34b via a pin 39 as a pivot shaft. The upper part of the rear link 36 is connected to the upper part of the connecting part 33 via a pin 40 as a pivot shaft.

  The total of the four links 35, 35, 36, and 36 described above constitute the moving means 41. When the seat back 32 is moved forward as shown in FIG. 31 is moved forward while overlapping the cross member 9 in the front-rear direction, and at least a part of the seat cushion 31 (see the rear part of the seat cushion 31) is moved downward from the upper surface of the cross member 9.

  In this embodiment, as shown in FIG. 6, when the seat 30 is folded, the front portion of the seat cushion 31 is positioned above the rear portion of the seat cushion 31 by the moving means 41 described above. The seat cushion 31 is configured such that the front portion of the seat cushion 31 contacts the upper surface of the cross member 9 and the rear portion of the seat cushion 31 contacts the upper surface of the floor panel 2 when the seat is folded. .

  Here, the front link 35 that constitutes the moving means 41 guides the front end of the seat cushion 31 forward of the cross member 9 when the seat is folded, and the rear link 36 that constitutes the moving means 41 is: When the seat is folded, the rear portion of the seat cushion 31 is guided below the upper surface of the cross member 9 described above.

Further, as shown in FIG. 3, in a normal seating state, the front link 35 and the rear link 36 are both slanted in a front, rear, and rear shape so as to receive the load of the occupant seated on the seat 30.
Further, the link length of the front link 35 is set to be longer than the link length of the rear link 36, and the vertical position of the pin 39 as the lower pivot shaft of the rear link 36 is determined by the pin of the front link 35. 37 and 38 are set at intermediate positions in the vertical direction.

  In addition, in this embodiment, the rotation angle of the links 35 and 36 between FIG. 3 and FIG. 6 is set such that the rotation angle of the front link 35 is 87 to 89 degrees, and the rotation angle of the rear link 36. Is set to 104 to 106 degrees.

  7 is a cross-sectional view taken along line AA in FIG. 6, FIG. 8 is a cross-sectional view taken along line BB in FIG. 6, and FIG. 9 is a cross-sectional view taken along line CC in FIG. FIG. 9 is a front view when the sheet is folded.

As shown in a plan view in FIG. 2, the seat cushion 31 is disposed at a position overlapping the above-described rear side frame upper 23 in a plan view in a normal seating state, and when the seat 30 is folded, FIGS. As shown, the lower surface of the seat cushion 31 is configured to move downward from the upper surface (top deck surface) of the rear side frame upper 23.
In order to enable this downward movement, as shown in FIG. 8, a tapered surface 31 </ b> T that becomes narrower toward the inner side in the vehicle width direction is formed at the outer end in the vehicle width direction of the seat cushion 31. .

Incidentally, as shown in FIG. 3, in order to lock and hold the seated seat back 32 in a predetermined standing state, the bracket 42 is directed from the rear portion of the rear wheel house 7 toward the outer side in the vehicle width direction of the seat back 32. The striker 43 is provided on the bracket 42.
Further, the seat back 32 is provided with a latch 44 for engaging the striker 43 described above, and the lock release member 45 provided at the upper end of the seat back 32 and the latch 44 are connected by a wire 46 to lock the seat back 32. When the releasing member 45 is pushed down, the engagement of the striker 43 by the latch 44 is released.

In a normal seating state, the striker 43 on the body side and the latch 44 on the seat back 32 side are engaged, and the seat back 32 is locked and held in a predetermined standing state.
Further, when the seat 30 is folded, the seat back 32 can be tilted forward onto the seat cushion 31 by depressing the lock release member 45 and releasing the engagement of the striker 43 by the latch 44.

On the other hand, as shown in FIG. 1, the floor panel 2 constituting the bottom surface of the cargo compartment 18 is a rear floor 2R, and a cargo compartment board 50 is disposed substantially horizontally above the rear floor 2R.
In this embodiment, the luggage compartment board 50 is mounted between the upper portion of the rear projecting piece 34b of the bracket 34 and the step portion of the rear end panel 3 so as to be substantially horizontal and detachable.

Further, as shown in FIGS. 3 and 6, a butterfly board 52 is attached to the front end portion of the luggage room board 50 via a hinge 51. The above-described butterfly board 52 is urged so as to always contact the seat back 32 by urging means (not shown).
Therefore, when the seat 30 is folded as shown in FIG. 6 from the normal seating state shown in FIG. 3, a cargo compartment floor (see the cargo compartment board 50) that forms the back surface of the seat back 32 and the bottom surface of the cargo compartment 18. Is configured so as to continuously form the luggage compartment surface α in the front-rear direction.
In the figure, arrow F indicates the front of the vehicle, arrow IN indicates the inside of the vehicle, and arrow OUT indicates the outside of the vehicle.

The illustrated embodiment is configured as described above, and the operation will be described below.
In order to fold the seat 30 in the normal seating state shown in FIG. 3, first, the lock release member 45 is pushed down, and the latch 44 is unlocked via the wire 46.
Thereafter, when the seat back 32 is tilted forward, the seat cushion 31 moves forward while overlapping with the cross member 9 in the front-rear direction by the trajectory of the front and rear links 35, 36. Moves downward from the upper surface of the cross member 9, and the state shown in FIG. 6 is obtained.

  As shown in FIG. 6, when the seat 30 is folded, the front portion of the seat cushion 31 is located above the rear portion of the seat cushion 31, and the front end of the seat cushion 31 is located forward of the cross member 9. Furthermore, the seat back 32 is superposed and superposed on the seat cushion 31 moved in this manner, and the butterfly board 52 abuts against the back surface of the forward-backed seat back 32 by the urging force of the urging means. A cargo compartment board 50 as a cargo compartment floor forming the back surface of 32 and the bottom surface of the cargo compartment 18 continuously forms the cargo compartment surface α in the front-rear direction.

As described above, the vehicle seat device according to the first embodiment shown in FIGS. 1 to 9 includes the floor panel 2 that forms the bottom surface of the passenger compartment 1 and the interior of the passenger compartment 1 protruding from the floor panel 2 into the vehicle width direction. And a seat 30 having a seat cushion 31 disposed on the floor panel 2 and a seat back 32 supported on the seat cushion 31 so as to be able to fall forward. A seat device for a vehicle in which the seat 30 is disposed above the cross member 9 and at a position spaced apart from the floor panel 2, and a luggage compartment 18 is formed behind the seat 30. The seat 30 moves the seat cushion 31 forward while overlapping the cross member 9 in the front-rear direction when the seat back 32 is tilted forward. At least a portion of 31 (rear reference of the seat cushion 31) are those having the moving means 41 for moving downward the upper surface of the cross member 9 (see FIG. 3, FIG. 6).
According to this configuration, since the large cross member 9 that protrudes from the floor panel 2 into the vehicle compartment 1 and is disposed in the vehicle width direction is provided, the cross member 9 improves the rigidity of the vehicle body, particularly the torsional rigidity of the vehicle body. Can be achieved.

In addition, when the seat back 32 is tilted forward, the moving means 41 moves the seat cushion 31 forward while overlapping the cross member 9 in the front-rear direction, and at least part of the seat cushion 31 is moved to the cross. Since the seat 9 is moved downward from the upper surface of the member 9, at the time of folding the seat 30, the seat cushion 31 is moved forward and downward, and at least a part thereof is moved downward from the cross member and disposed rearward. The cargo space capacity can be increased without sacrificing the front-rear width and the vertical width of the cargo space.
In other words, the seat 30 can be moved without sacrificing the luggage compartment 18 disposed behind the seat 30.

The seat cushion 31 is moved by the moving means 41 so that the front portion of the seat cushion 31 is positioned above the rear portion of the seat cushion 31 (see FIG. 6).
According to this configuration, when the seat 30 is folded, the seat 30 is disposed so as to be tilted backward, so that it is possible to easily carry out the loading and unloading of the luggage.

Further, the moving means 41 includes a front link 35 that guides the front end of the seat cushion 31 forward from the cross member 9 and a rear link that guides the rear portion of the seat cushion 31 downward from the upper surface of the cross member 9. 36 (see FIG. 6).
According to this configuration, the front end of the seat cushion 31 is moved forward from the cross member 9 by the above-described moving means 41, particularly the front side link 35, so that as large a cargo space as possible can be secured behind the seat 30. it can.

In addition, a pair of left and right rear side frames (refer to the rear side frame upper 23) extending in the front-rear direction are disposed on the sides of the floor panel 2 and the luggage compartment 18 so as to protrude into the passenger compartment 1 and are seated. Is disposed at a position overlapping the rear side frame (see rear side frame upper 23) in plan view, and when the seat 30 is folded, the lower surface of the seat cushion 31 is below the upper surface of the rear side frame (see rear side frame upper 23). It moves (see FIGS. 2, 5, 6, and 7).
According to this configuration, when the seat cushion 31 is in the seated position, a wide seat cushion width (width in the vehicle width direction) is secured to improve the occupant's seating comfort, and when the seat 30 is folded, the seat The lower surface of the cushion 31 can be moved to a position lower than the upper surface of the rear side frame (see the rear side frame upper 23) to secure a luggage space.

Further, a connecting portion 33 for connecting the seat cushion 31 and the seat back 32 is provided at a side portion of the seat cushion 31, and the connecting portion 33 is a vehicle width of the rear side frame (see the rear side frame upper 23). It is arranged inside in the direction (see FIGS. 2 and 5).
According to this configuration, since the connecting portion 33 is disposed on the inner side in the vehicle width direction of the rear side frame (see the rear side frame upper 23), interference with the rear side frame (see the rear side frame upper 23) is prevented when the seat 30 is folded. Thus, since the seat can be moved downward, the cargo space capacity can be secured.

Further, when the seat 30 is folded, the back surface of the seat back 32 and the cargo compartment floor (see the cargo compartment board 50) forming the bottom surface of the cargo compartment 18 continuously form the cargo compartment surface α (see FIG. (See FIG. 6).
According to this configuration, when the seat 30 is folded, the back surface of the seat back 32 and the cargo compartment floor (see the cargo compartment board 50) continuously form the cargo compartment surface α. Can be achieved. Spare tires may be stored in the space between the rear floor 2R and the cargo compartment board 50, and in the case of no spare tires, other articles such as tools may be stored.

Furthermore, the cross member 9 is disposed between the left and right rear wheel houses 7 and 7 bulging into the vehicle compartment 1 from the side wall of the vehicle body (see FIG. 1).
According to this configuration, since the cross member 9 is disposed between the rear wheel houses 7 and 7, the rigidity of the vehicle body around the rear wheel house 7 can be improved, and the rear wheel house 7 can be prevented from falling down.

10 and 11 show another embodiment of the vehicle seat device, FIG. 10 is a side view in a normal seating state, and FIG. 11 is a side view when the seat is folded.
In the second embodiment, a recessed portion 31A is formed on the lower surface of the seat cushion 31 so as to be recessed upward at a position corresponding to the cross member 9 when the seat is folded.

The recessed portion 31 </ b> A is formed over the entire width in the vehicle width direction on the lower surface of the seat cushion 31 corresponding to the shape of the cross member 9.
Here, in the second embodiment, as shown in FIG. 10, in the normal seating state, the rear side link 36 is slanted in the front-rear, rear-height to receive the load of the occupant seated on the seat 30. On the other hand, the front side link 35 is arranged substantially vertically.

Also in this embodiment, the link length of the front link 35 is set longer than the link length of the rear link 36, and the vertical position of the pin 39 as the lower pivot shaft of the rear link 36 is The pins 37 and 38 of the front link 35 are set at intermediate positions in the vertical direction.
Further, in this embodiment, the rotation angle of the links 35 and 36 between FIG. 10 and FIG. 11 is set such that the rotation angle of the front link 35 is 86 to 88 degrees and the rotation angle of the rear link 36 is. It is set to 104 to 106 degrees.

As described above, in the second embodiment shown in FIGS. 10 and 11, the lower surface of the seat cushion 31 has a recessed portion 31 </ b> A that is recessed upward at a position corresponding to the cross member 9 when the seat 30 is folded. Is provided (see FIGS. 10 and 11).
According to this structure, the seat cushion 31 at the time of folding can be moved as much downward as possible by the above-described recessed portion 31A, and as a result, a large luggage space can be secured. In particular, the space in the vertical direction of the cargo space can be expanded.

  Also in the second embodiment shown in FIGS. 10 and 11, the other configurations, operations, and effects are the same as those in the first embodiment. Therefore, in FIGS. 10 and 11, the same parts as those in the previous figure are the same. Reference numerals are assigned and detailed description thereof is omitted.

In the correspondence between the configuration of the present invention and the above-described embodiment,
The rear side frame of the present invention corresponds to the rear side frame upper 23 of the embodiment,
Similarly,
The loading room floor corresponds to the loading room board 50,
The present invention is not limited to the configuration of the above-described embodiment.
For example, in the above-described embodiment, the present invention is applied to the third row seat of the three row seat vehicle, but may be applied to the second row seat of the second row seat vehicle so that the seat back can be reclined.

DESCRIPTION OF SYMBOLS 1 ... Vehicle compartment 2 ... Floor panel 7 ... Rear wheel house 9 ... Cross member 18 ... Cargo compartment 23 ... Rear side frame upper (rear side frame)
30 ... Seat 31 ... Seat cushion 31A ... Recessed portion 32 ... Seat back 33 ... Connecting portion 35 ... Front link 36 ... Rear link 41 ... Moving means 50 ... Cargo board (cargo floor)
α: Cargo surface

Claims (8)

A floor panel forming the bottom of the passenger compartment;
A cross member disposed in the vehicle width direction so as to protrude from the floor panel into the vehicle interior;
A seat cushion disposed on the floor panel and a seat back supported on the seat cushion so as to be able to move forward;
A seat device for a vehicle in which the seat is disposed at a position above the cross member and spaced from the floor panel, and a luggage compartment is formed behind the seat,
When the seat is moved forward, the seat cushion moves forward while overlapping the cross member in the front-rear direction,
A vehicle seat device comprising a moving means for moving at least a part of the seat cushion downward from the upper surface of the cross member. The vehicle seat apparatus according to claim 1, wherein the seat cushion moves so that a front portion of the seat cushion is positioned above a rear portion of the seat cushion by the moving means. The moving means includes a front link that guides the front end of the seat cushion forward from the cross member;
The vehicle seat device according to claim 1, further comprising a rear link that guides a rear portion of the seat cushion downward from an upper surface of the cross member. The vehicle seat device according to claim 1 or 2, wherein a recessed portion is provided on the lower surface of the seat cushion so as to be recessed upward at a position corresponding to the cross member when the seat is folded. A pair of left and right rear side frames extending in the front-rear direction are disposed on the side of the floor panel and the cargo compartment so as to protrude into the vehicle interior,
The seat cushion in a seated state is disposed at a position overlapping the rear side frame in plan view,
The vehicle seat device according to any one of claims 1 to 4, wherein the lower surface of the seat cushion moves downward from the upper surface of the rear side frame when the seat is folded. A connecting portion that connects the seat cushion and the seat back is provided on a side portion of the seat cushion.
The vehicle seat device according to claim 5, wherein the connecting portion is disposed on the inner side in the vehicle width direction of the rear side frame. The vehicle seat device according to any one of claims 1 to 6, wherein when the seat is folded, a rear surface of the seat back and a cargo compartment floor forming a bottom surface of the cargo compartment continuously form a cargo compartment surface. The vehicle seat device according to any one of claims 1 to 7, wherein the cross member is disposed between left and right rear wheel houses that bulge from a vehicle body side wall into a vehicle interior.

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