JPS63255B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in the leg structure of a seat in a van-type vehicle, primarily a van-type vehicle, in which the seat can be folded and luggage is loaded as necessary.

For example, the area behind the front seats such as the driver's seat is a box-shaped rear compartment (cargo compartment) that is used for both cargo and passengers, and the first seat (first rear seat) is located on the front side of the floor of the rear compartment.
In a van-type vehicle with a second seat (second rear seat) located at the rear, when loading luggage from the rear door of the rear compartment, the second seat near the rear door is usually designed to be foldable. The floor space after the second seat is folded is mainly used for loading luggage. Conventionally, the first seat cannot be folded, so if there is no passenger in the first seat and there is a lot of luggage on board, the first seat cannot be folded.
It was hoped that the seats would also be foldable.

In some van-type vehicles, both the first and second seats can be folded down when loading luggage into the rear compartment through the side door or rear door of the rear compartment, making it convenient for loading luggage. However, in the conventional model of this type, even when both the first and second seats are folded, each folded seat occupies a large space, and even though both seats are folded, there is not much floor space for loading luggage. There was a drawback that it could not be widened.

The purpose of the present invention is to meet the above-mentioned conventional demands,
This is an attempt to eliminate the drawbacks of the conventional system, and when the first and second seats in the rear compartment are folded, a large floor space can be created for loading luggage, making it convenient for loading luggage. An object of the present invention is to provide a leg structure for a seat in a van-type vehicle.

Another object of the present invention is to facilitate the folding operation of the first and second seats in the vehicle luggage compartment and return operation to the original seat state, and to reduce the floor area occupied when folded. An object of the present invention is to provide a leg structure for a seat in a van-type vehicle.

Furthermore, another object of the present invention is to provide a seat in a van-type vehicle in which one of the first and second seats can be folded, or both seats can be folded, and the seats can be used selectively as needed. The objective is to provide a leg structure.

A first embodiment of the present invention will be described below with reference to FIGS. 1 to 11. 1 to 11, the front part of the floor 2 of this van-type automobile 1 is formed higher than the rear part because the engine is located on the front side, and a front seat 4 is provided in the high part 3. It is being A separator 5 formed by assembling vertical and horizontal struts is erected on the high part 3 at the rear of the front seat 4, and separates the front seat 4 side from the rear chamber 6 side at the rear thereof. A side door 7 for entering and exiting the rear chamber 6 is provided on the front left side of the rear chamber 6, and is opened by sliding rearward. A rear door 8 is formed on the rear side of the rear chamber 6, and is opened upward about a hinge portion on its upper side. On the floor 2 of the rear compartment 6, a first seat 10 and a second seat 13 with their backrests located on the rear side and facing forward are arranged at a predetermined distance in the longitudinal direction of the vehicle. 1st seat 1
0 and the second seat 13, the seat parts 11, 14 and the backrests 12, 15 are connected via the reclining devices L1, L2 at the rear ends of the seat parts 11, 14, respectively, so that the seats are in the normal seat state (seating possible). In the seat state), the backrests 12, 15 are oriented almost vertically, and if necessary, the backrests 12, 15 can be tilted forward so that their backrests overlap the upper surface of the seat.

Legs 3 that support the first seat 10 and the second seat 13
3 consists of front legs 18 and rear legs 20 provided before and behind the lower surface of the seat portion 11 of the first seat 10, and front legs 26 and rear legs 29 provided before and after the lower surface of the seat portion 14 of the second seat 13. Note that the front legs 18 and rear legs 20 of the first seat 10 and the front legs 2 of the second seat 13
6 and the rear legs 29 are provided on both the left and right sides of the seats 11 and 14, respectively, but since they are bilaterally symmetrical, only one side will be described below.

The rear leg 20 of the first seat 10 has a horizontal portion 21 extending along the floor 2 toward the second seat 13 at its lower end.
is formed by bending, and the rear end 2 of this horizontal portion 21
The lower end of the front leg 26 of the second seat 13 is rotatably connected to the seat 2 by a pivot shaft 25. The rear end 22 of the horizontal portion 21 is raised upward by a predetermined amount in advance.
As a result, the center of rotation of the lower end of the front leg 26 of the second seat 13 is separated from the floor 2, and the center of rotation of the lower end of the front leg 26 of the second seat 13 is moved away from the floor 2, and the center of rotation of the lower end of the front leg 26 of the second seat 13 is moved forward about the pivot axis 25 of the front leg 26 when the seat portion 14 of the second seat 13 protrudes forward of the front leg 26. Rotation is seat part 1
This is to prevent interference caused by 4.

The lower end of the front leg 18 of the first seat 10 is connected to the pivot point 1.
7, it is pivotally connected to the floor 2 via a waist-high bracket 16. In this case as well, the bracket 16 separates the center of rotation of the lower end of the front leg 18 of the first seat 10 from the floor 2 surface, so that the pivot axis 17 of the front leg 18 when the seat portion 11 of the first seat 10 protrudes in front of the front leg 18 is moved. The forward rotation around the center is the seat part 1.
This is to prevent interference caused by 1.

The front legs 18 and the rear legs 20 of the first seat 10 are integrally formed by bending a pipe material.
The horizontal connection portion of the upper end thereof is a common attachment portion 19 to the lower surface of the seat portion 11, and the lower end of the rear leg 20 is connected and integrated between the left and right sides by a connecting bar 23.

The front legs 26 of the second seat 13 have a seat portion 14 at the upper end.
An attachment part 27 to the lower surface is bent horizontally to the rear, and a rear leg 29 is pivotally attached to the rear end of this attachment part 27 by a pivot 28, so that it can be folded freely onto the lower surface of the seat part 14. The lower end of the front legs 26 of the second seat 13 is connected to the rear legs 20 of the first seat 10, as shown in FIG.
the rear end 22 of the horizontal part 21 and the front leg 26 of the second seat 13
Stoppers 22A and 26A are provided at the lower ends, respectively, to restrict rearward rotation of the front leg 26, and the front leg 26 can only rotate forward.

The rear legs 29 of the second seat 13 are integrally formed on the left and right sides, and as shown in FIG. 27A and 29A are provided to restrict rearward rotation of the rear leg 29.

In the normal seat state, the connecting bar 23 and the rear legs 29 are connected to the floor 2 at the center of the connecting bar 23 and at the center of the lower side of the rear legs 29 of the second seat 13.
Engagement/disengagement means 24, 30 are provided which are fixed to the seat and released when the seat is folded. The engaging and disengaging means have the same structure, and for example, the engaging and disengaging means 30 may be formed as follows (see FIGS. 6 to 8). That is, in a predetermined portion of the floor 2, in this example, a predetermined recess in the uneven floor 2, an oblong engagement hole 32 is formed.
A bag-shaped fixing piece 32A having B is fixed. On the other hand, a plate-shaped fixing piece 31 is attached to the lower side of the rear leg 29.
A is fixed, and a handle 3 is attached to the upper surface side of the fixed piece 31A.
1E, and a locking piece 31D that is inserted into the bag-shaped fixing piece 32A through the engagement hole 32B is placed on the lower side of the lower surface of the fixing piece 31A, and both are inserted into the hole 31B of the fixing piece 31A. It is fixed to both ends of the supporting shaft 31C. Note that the handle 31 is attached to the support shaft 31C between the lower surface of the handle 31E and the upper surface of the fixed piece 31A.
A coil spring 31F is interposed to bias E upward, and the locking piece 31D is pulled toward the lower surface of the fixed piece 31A (see FIG. 6). This engagement of the locking and disengaging means 30 is performed by placing the locking piece 3 on the locking piece 32A.
1A, the locking piece 31D and the engagement hole 32
B, press the handle 31E downward and insert the locking piece 31D into the bag-shaped fixing piece 32A through the engagement hole 32B, then turn the handle 31E and insert the locking piece 31D into the fixing piece. Rotate within 32A,
After that, by releasing the handle 31E, the locking piece 31 is moved by the biasing force of the coil spring 31F.
D and the fixing piece 32A engage, and the rear leg 29 is fixed on the floor 2 (see FIGS. 7 and 8). In addition, when disengaging the engagement and disengagement means 30, the operation is performed in the reverse order as described above.

However, the first seat 1 was changed to the regular seat state.
0 and the second seat 13, first the backrest 15 of the second seat 13 is tilted forward and overlapped with the seat part 14, and then the engagement means 30 of the lower side of the rear leg 29 of the second seat 13 is engaged. , and attach the rear legs 29 to the seat part 14.
Rotate it to the bottom side and fold it. Thereafter, the seat 14 in this state is rotated forward about the pivot 25 at the lower end of the front legs 26 and folded vertically onto the horizontal portion 21 of the rear legs 20 of the first seat 10 (the ninth (see figure)
As a result, a floor space can be provided in the area left behind by the second seat 13 in the normal seat state, and luggage can be loaded from the rear door 8.

To fold the first seat 10, after folding the second seat 13 as described above, the backrest 12 is tilted forward to overlap the seat part 11 (see FIG. 10), and then the connecting bar 23 is engaged. Disengaging the means 24. After that, the seat part 11 is rotated forward with the second seat 13 folded on the horizontal part 21 of the rear leg 20 about the pivot 17 at the lower end of the front leg 18, and is placed vertically behind the separator 5. Fold it into a shape. Then, the hook F1 attached to the rear end of the seat part 14 of the second seat 13 is engaged with a part of the strut of the separator 5, and the folded first seat 10 and second seat 13 are fixed (see Fig. 11). ). As a result, the backrest 12 and seat part 11 of the first seat 10 are held vertically while being overlapped, and the folded second seat 13 is stacked and stored in the front part of the rear compartment 6 above this. Ru. For this reason, the first seat 10 in the normal condition
Moreover, a large floor space for luggage can be secured in the space where the second seat 13 is located.

In this example, the first seat 10 and the second seat 13 are folded and stored toward the front side of the rear compartment of the vehicle, so it is suitable for a van-type vehicle that has an opening/closing door on the rear side of the vehicle and loads luggage from the rear of the vehicle. It's more convenient. Note that the folded first seat 10 and second seat 13 are returned to their normal seat states by reversing the folding procedures described above.

In the first embodiment, the seat portions 11 and 14 of the first seat 10 and the second seat 13 have front legs 18 and 26, respectively.
If the front legs 18, The center of rotation of the lower end of 26 is separated from the two surfaces of the floor, thereby causing the front legs 18,
26 is prevented from being obstructed by the seats 11 and 14, but the seats 11 and 14 of the first seat 10 and the second seat 13 are
In the case of a seat structure that does not protrude forward in the seats 6 and 6, there is no need to do this. In this case, the center of rotation of the lower ends of the front legs 18 and 26 of the first seat 10 and the second seat 13 is at the same height as the two surfaces of the floor. It can be done.

Next, a second embodiment of the present invention will be described with reference to FIGS. 12 to 16.

The van-type vehicle 41 in the second embodiment is of a rear engine type and has a high portion 43 at the rear of the vehicle, and the rear chamber 46 is opened and closed by a side door 47 provided on the side of the vehicle. The rear part cannot be opened or closed.

A first seat 48 is located on the floor 42 of the rear compartment 46 of the vehicle.
and a second seat 51 are arranged at a predetermined interval in the longitudinal direction of the vehicle. The backrests 50, 53 of the first seat 48 and the second seat 51 are connected to the rear ends of the respective seats 49, 52 via reclining devices L3, L4, and in the normal seating state, the backrests 50, 53 are almost completely free. If necessary, the back support 50,
53 can be tilted forward so as to overlap the upper surfaces of the seats 49 and 52.

Legs 7 that support the first seat 48 and the second seat 51
0 consists of front legs 55 and rear legs 59 provided before and behind the lower surface of the seat portion 49 of the first seat 48, and front legs 63 and rear legs 65 provided before and after the lower surface of the seat portion 52 of the second seat 51.

In this second embodiment, a horizontal portion 62 extending along the floor 42 toward the first seat 48 is bent at the lower end of the front legs 63 of the second seat 51. Rear leg 59 of seat 48
The lower end is rotatably connected by a pivot 60. The front end 61 of the horizontal portion 62 is raised upward by a predetermined amount in advance, so that the center of rotation of the lower end of the rear legs 59 of the first seat 48 is separated from the surface of the floor 42, and the seat portion 49 of the first seat 48 is raised upward by a predetermined amount. This is to prevent the seat portion 49 from inhibiting rearward rotation of the rear leg 59 about the pivot 60 when the rear leg 59 protrudes rearward.

The lower end of the rear leg 65 of the second seat 51 is connected to the pivot point 6.
8, it is pivotally connected to the floor 42 via a waist-high bracket 69. In this case as well, the bracket 69 separates the center of rotation of the lower end of the rear leg 65 of the second seat 51 from the floor surface 42, and the bracket 69 separates the center of rotation of the lower end of the rear leg 65 of the second seat 51 from the floor surface 42 to prevent the rotation of the rear leg 65 when the seat portion 52 of the second seat 51 protrudes behind the rear leg 65. Rearward rotation about the pivot 68 is prevented from being obstructed by the seat portion 52.

The front legs 63 and rear legs 65 of the second seat 51 are integrally formed by bending pipe material.
The horizontal connection portion of the upper end of the front leg 63 is a common attachment portion 64 to the lower surface of the seat portion 52, and the lower end of the front leg 63 is integrally connected between the left and right sides by a connecting bar 66.

The rear legs 59 of the first seat 48 have a seat portion 49 at the upper end.
An attachment part 58 to the lower surface is bent horizontally forward, and a front leg 55 is pivotally attached to the front end of this attachment part 58 by a pivot 57, so that it can be folded freely onto the lower surface of the seat part 49. The front legs 55 of the first seat 48 are integrally formed on the left and right sides.

A stopper (not shown) is provided at the connecting portion of the lower end of the rear leg 59 of the first seat 48 with the front leg 63 of the second seat 51 and at the pivot point of the front leg 55. Rotation to is restricted.

The connecting bar 66 and the front legs 55 are connected to the floor 4 at the center of the connecting bar 66 and at the center of the lower side of the front legs 55 of the first seat 48 in the normal seat state.
Engagement/disengagement means 67, 56 are provided which are fixed to the seat 2 and released when the seat is folded. The structure of the engaging/disengaging means 67, 56 is formed in the same manner as in the first embodiment described above.

Now, when folding the first seat 48 and the second seat 51, first the backrest 50 of the first seat 48 is tilted forward and overlapped with the seat part 49, and then the first seat 48 is folded up.
The engagement of the engagement/disengagement means 56 of the front leg 55 of No. 8 is released, and the front leg 55 is folded onto the lower surface of the seat portion 49. Thereafter, the seat 49 in this state is lifted, rotated rearward about the pivot 60 (see FIG. 14), and folded vertically onto the horizontal portion 62 of the front legs 63 of the second seat 51. (See Figure 15). As a result, a space is created where the first seat 48 used to be in the regular seat state, and the side door 4
It becomes possible to load luggage from 7 onwards.

To fold the second seat 51, after folding the first seat 48 as described above, the backrest 53 is tilted forward to overlap the seat portion 52, and then the connecting bar 66
The engagement of the engagement and disengagement means 67 is released. After that, seat part 5
2 is rotated rearward about the pivot shaft 68 at the lower end of the rear leg 65 together with the first seat 48 folded on the horizontal part 62 of the front leg 63, and vertically facing the front side of the high part 43. Fold. And the first seat 4
The first folded hook F2 attached to the front end portion of the seat portion 49 of No. 8 is engaged with a part of the high portion 43.
The seat 48 and the second seat 51 are fixed (see FIG. 16).

As a result, the backrest 53 and seat portion 52 of the second seat 51
are held vertically in a stacked state, and a folded first seat 48 is placed above the rear compartment 4.
6 They are stacked and stored at the rear. For this reason,
It is possible to create a large floor space for luggage in the space where the first seat 48 and second seat 51 are located in the normal state.
It is convenient to load cargo through the side door 47 of the rear compartment 46.

The folded first seat 48 and second seat 51 are returned to their normal seat states by reversing the folding procedures described above.

Next, a third embodiment of the present invention will be described with reference to FIGS. 17 to 21.

A van-type vehicle 81 according to the third embodiment has a structure similar to that of the vehicle according to the first embodiment, and has a front seat 84 and a separator 85 in a high-level portion 83 at the front.
A side door 87 is provided at the front side of the rear chamber 86, and a rear door 88 is provided at the rear. rear chamber 86
The floor 82 has a first seat 90 and a second seat 93.
are arranged at a predetermined interval in the longitudinal direction of the vehicle, and the backrests 92 and 95 of the first seat 90 and the second seat 93 have reclining devices L5 and
The backrests 92, 95 are connected via L6, and in the normal seat state, the backrests 92, 95 are oriented almost vertically, and if necessary, the backrests 92, 95 can be tilted forward so as to overlap the seats 91, 95. ing.

Legs 1 that support the first seat 90 and the second seat 93
Reference numeral 16 denotes front legs 97 and rear legs 103 provided on the front and back of the lower surface of the seat portion 91 of the first seat 90, and the second seat 9.
The front leg 111 and the rear leg 114 are provided at the front and back of the lower surface of the seat 94 of No. 3.

In this third embodiment, the rear legs 103 of the first seat 90 and the front legs 111 of the second seat 93 have their lower ends connected to the pivot points 106 through the horizontal connecting rods 106, respectively.
04 and 110, and are rotatably connected.
The horizontal connecting rod 106 has its front end 105 and rear end 1 connected in advance.
07 are raised upward by a predetermined amount, thereby separating the pivot centers of the lower ends of the rear legs 103 of the first seat 90 and the front legs 111 of the second seat 93 from the surface of the floor 82, so that the seat of the first seat 90 Pivot axis 10 of the rear leg 103 of the first seat 90 when the portion 91 protrudes to the rear of the rear leg 103 and when the seat portion 94 of the second seat 93 protrudes to the front of the front leg 111
4 and the forward rotation of the front legs 111 of the second seat 93 about the pivot axis 110.
This is to prevent interference by the seats 91 and 94, respectively. This horizontal connecting rod 106
The left and right sides are connected and integrated by a connecting bar 108, and a connecting bar 108 is provided at the center of the connecting bar 108.
Engagement/disengagement means 1 for freely engaging and disengaging from the floor 82
09 is provided. The structure of the engaging/disengaging means 109 is formed in the same manner as in the first embodiment.

The rear legs 103 of the first seat 90 have a seat portion 9 at the upper end.
1. A mounting portion 102 to the lower surface is bent horizontally forward, and a front leg 97 is attached to the front end of this mounting portion 102.
is pivotally attached by a pivot 101 and is foldable on the lower surface of the seat portion 91. The front leg 111 of the second seat 93 also has an attachment part 11 attached to the lower surface of the seat part 94 at the upper end.
2 is bent horizontally rearward, and a rear leg 114 is pivotally attached to the rear end of this attachment part 112 by a pivot 113, so that it can be folded freely onto the lower surface of the seat part 94. The front legs 97 of the first seat 90 and the rear legs 114 of the second seat 93 are both integrally formed on the left and right sides, and their lower sides are connected to the floor 82 by hinge brackets 98 and 115, which will be described later.
It is attached so that it can be rotated and detached.

Horizontal connecting rod 1 at the lower end of the rear leg 103 of the first seat 90
06 and the upper end of the front leg 97 are provided with stoppers (not shown), respectively, and the rear leg 103 and the front leg 97 are connected to the pivot shafts 104 and 104, respectively.
01 is restricted, and on the other hand, there are also stoppers (Fig. ), and the front legs 111 and the rear legs 114 are restricted from rotating rearward about pivots 110 and 113, respectively.

Each of the hinge brackets 98, 115 described above has the same structure, and for example, the hinge bracket 98 is formed as follows (see FIGS. 18 and 19). That is, a bag-shaped fixing piece 100A having an oval engagement hole 100B is fixed to a predetermined portion of the floor 82, in this example, a predetermined recess in the uneven surface of the floor 82. On the other hand, on the outer peripheral surface of the lower side of the front legs 97 of the first seat 90, there are buttons 99A.
is attached, the hinge plates 99B, 99B of the hinge bracket 98, one end of which is pivotally connected with a pin,
Wrap the bushing 99A with the hinge plates 99B, 9.
Holes 99D, 9 of mating pieces 99C, 99C of 9B
A support shaft 99E is inserted into the support shaft 9D, a locking piece 99F to be inserted into the bag-shaped fixing piece 100A is fixed to the lower end of the support shaft 99E, and a handle 99G is fixed to the upper end of the support shaft 99E. 99H is a coil spring wound around the support shaft 99E, and by constantly urging the handle 99G upward, the locking piece 99F is drawn toward the lower surface of the lower mating piece 99C. This hinge bracket 98 is constructed by positioning the hinge plates 99B, 99B on the fixed piece 100A, aligning the locking piece 99F with the engagement hole 100B, and pressing the handle 99G downward to move the locking piece 99F into the engagement hole 100B. After inserting into the bag-shaped fixing piece 100A through the handle 99
G to rotate the locking piece 99F within the fixed piece 100A, and then by releasing the handle 99C, the locking piece 99F and the fixed piece 100A are engaged by the biasing force of the coil spring 99H. , front legs 97
is fixed on the floor 82 and rotatably held in a hinge bracket 98 by the fixed front leg 97 (see FIG. 19). Note that 2K is an elastic member fixed to the floor 82 and receiving the front leg 97. When the front leg 97 is unfixed by the hinge bracket 98, this is done by rotating the handle 99G, and the hinge bracket 98 removed from the fixed piece 100A is rotated together with the front leg 97.

Therefore, when folding the first seat 90 and the second seat 93 to the front side of the rear compartment 86 floor 82,
First, the backrest 95 of the second seat 93 is tilted forward so that it overlaps the seat part 94, and then the rear legs 114 of the second seat 93 are tilted forward.
The fixation by the lower hinge bracket 115 is released, and the rear legs 114 are folded onto the lower surface of the seat portion 94. Thereafter, the seat portion 94 is lifted, rotated forward about the pivot 110, and folded vertically onto the horizontal connecting rod 106 behind the first seat 90. 1st seat 9
In the case of folding No. 0, after the second seat 93 is folded as described above, the backrest 92 is overlapped with the seat portion 91, and then the engagement and disengagement means 109 of the connecting bar 108 is disengaged. After that, the seat part 91 is attached to the horizontal connecting rod 1.
06 and the second seat 93 folded upward, the hinge bracket 98 on the lower side of the front leg 97 is rotated forward with the hinge bracket 98 as the rotation center, and the second seat 93 is folded vertically toward the rear side of the high part 83. folded first
The seat 90 and the second seat 93 are connected to the separator 85 by connecting the hook F3 attached to the rear end of the seat portion 94 of the second seat 93.
Fix it by engaging a part of it.

As a result, the backrest 92 and seat portion 91 of the first seat 90
are held vertically in a stacked state, and a folded second seat 93 is placed above the rear compartment 8.
6 They are stacked and stored in the front. For this reason,
Since a large floor space is created where the first seat 90 and second seat 83 in the normal state are, it is convenient for loading luggage through the rear door 88.

In addition, the first seat 9 is arranged in a seatable state.
0 and the second seat 93 to the rear side of the rear compartment 86 floor 82, first, the backrest 92 of the first seat 90 is tilted forward so that it overlaps the seat part 91, and then the front legs 97 of the first seat 90 are folded forward. Lower hinge bracket 9
8 and fold the front legs 97 onto the lower surface of the seat 91. After that, the front end of the seat part 91 is lifted and rotated rearward about the pivot 104, and the second
It is folded vertically on the horizontal connecting rod 106 at the front end side of the seat 93. The folding of the second seat 93 is as follows:
After folding the first seat 90 as described above,
The backrest 95 is superimposed on the seat portion 94, and then the engagement and disengagement means 109 of the connecting bar 108 is released. Thereafter, the seat part 94 is rotated rearward together with the first seat 90 folded onto the horizontal connecting rod 106 about the pivot point formed by the hinge bracket 115 at the lower side of the rear leg 114, and is placed in the vicinity of the rear door 88. Fold it in the same direction. The folded first seat 90 and second seat 93 are fixed by engaging a hook F4 attached to the front end of the seat portion 91 of the first seat 90 with a part of the interior side opening edge for the rear door 88.

As a result, the backrest 95 and seat 94 of the second seat 93
are held vertically in a stacked state, and the folded first seats 90 are stacked and stored above them in front of the rear door 88 of the rear compartment 86. Therefore, a large floor space is created where the first seat 90 and second seat 93 are in the normal state, and in this case, it is convenient for loading luggage through the side door 87.

The first seat 90 and the second seat 93, which have been folded forward or backward, are returned to their original normal state in the reverse order described above.

In the first, second, and third embodiments described above, the front legs and rear legs of each of the first seat and the second seat are integrally formed via an attachment portion to the lower surface of the seat, Alternatively, one of the front legs or the rear legs has an attachment part formed on the lower surface of the seat, and the other rear leg or front leg is attached to the end of this attachment part, but the first seat and the second seat If the seat has a structure with a strong frame on the back of the seat, the front and rear legs of each seat can be attached independently to the seat frame, and the front and rear legs can
There is no need to form a separate assembly.

Furthermore, the backrests of the first and second seats in the first, second and third embodiments are all attached to the rear of the seat.
The present invention is also applicable to face-to-face seats in which the backrest is attached to the front side of the seat, and the backrest is tilted backwards to overlap with the seat.

As explained above, the present invention provides leg sections that support a first seat and a second seat that are arranged at a predetermined interval in the longitudinal direction of a vehicle and whose backrests are foldable relative to the seat. The leg portion has front legs and rear legs provided at the front and back of the lower surface of the seat of the first seat, and front legs and rear legs provided at the front and rear of the lower surface of the seat of the second seat. Either the rear leg or the front leg of the second seat has a horizontal part bent at its lower end that extends along the vehicle floor toward the other second seat or first seat, and the other leg is bent at the end of this horizontal part. The front legs of two seats or the lower ends of the rear legs of the first seat are rotatably connected, and the front legs of the first seat have a horizontal part formed in the rear legs, or the rear legs of the second seat have a horizontal part formed in the front legs. has its lower end rotatably pivoted to the vehicle floor, and the rear legs of the second seat whose front legs do not form a horizontal section or the front legs of the first seat whose rear legs do not form a horizontal section can be folded freely onto the underside of the seat. Fold the second seat that does not form a horizontal part on the front legs or the first seat that does not form a horizontal part on the rear legs onto the horizontal part of the rear legs of the first seat or the front legs of the second seat, and folding the backrest of a first seat with a horizontal part formed on the front leg of the first seat or a second seat with a horizontal part formed on the front leg of the first seat, and folding this seat together with the seat folded on the horizontal part of the rear leg of the first seat or the front leg of the second seat; By rotating forward or backward, the first and second seats can be folded into two layers, top and bottom.
The intended objectives of the invention are certainly achieved.

As described above, according to the present invention, the first seat and the second seat are folded and stored in a three-dimensional shape, so that the floor area occupied by the folded seats is small, and a large floor space for loading luggage can be secured.

The present invention also provides a leg section that supports a first seat and a second seat, which are arranged at a predetermined interval in the longitudinal direction of a vehicle and whose backrests are foldable relative to the seat section, These legs include the front legs and rear legs provided on the front and back of the underside of the first seat, and the second leg.
The seat has front legs and rear legs provided at the front and back of the lower surface of the seat, and the lower ends of the rear legs of the first seat and the front legs of the second seat are rotatably connected via a horizontal connecting rod, and , the front legs of the first seat and the rear legs of the second seat can be folded freely under the seat, and
The lower ends of the seats are rotatably and removably attached to the vehicle floor, and either the second seat or the first seat is folded onto the horizontal connecting rod, and the backrest of the other first seat or the second seat is folded. ,
This seat can be rotated forward or backward together with the seat folded on the horizontal connecting rod, so that the first seat and the second seat can be folded and stored in two stages, upper and lower. It can be folded into a three-dimensional shape and stored in the front or rear as needed, increasing the floor space, and at the same time, it can be stored in the rear compartment according to the type of luggage and the position of the door used for loading and unloading. can be used in multiple ways.

Furthermore, in the present invention, only one of the first and second seats can be folded, so it is convenient to use it selectively depending on the amount of luggage to be carried, and the first and second seats can be folded. Since all of them are rotary with the shaft as the fulcrum, the operation is smooth and reliable, and the folding operation and return to the original state can be easily performed.

[Brief explanation of the drawing]

1 to 11 show a first example of the present invention,
Figure 1 shows the first and second seats in a van-type vehicle.
Fig. 2 is a side view showing the arrangement and structure of the seats, Fig. 2 is a cross-sectional plan view showing the arrangement of the first and second seats and the position of the luggage compartment door in a van-type vehicle, and Fig. 3 is the first and second seats. Perspective view showing the leg structure of 4-1
The figure is a front view showing the connection between the lower end of the front leg of the second seat and the rear leg of the first seat, Figure 4-2 is a perspective view of the pivot part of Figure 4-1, and Figure 5 is a front view of the second seat. An exploded explanatory view showing the rear leg pivot portion, FIG. 6 is a perspective view showing the means for engaging and disengaging the rear legs of the second seat to the floor, and FIG. 7 is an explanation showing the rear legs fixed by the engaging and disengaging means. Figure 8 is a sectional view along the line of Figure 7, Figure 9 is an explanatory diagram of the state in which the second seat is folded forward, and Figure 10 is a cross-sectional view taken along the line of Figure 7.
FIG. 11 is an explanatory diagram of the state in which the seat is folded and the backrest of the first seat is overlapped with the seat part, and FIG. 11 is an explanatory diagram of the state in which the second seat and the first seat are folded and stored in the front part of the rear compartment. 12 to 16 show a second embodiment of the present invention, and FIG. 12 shows a first embodiment of the present invention.
A side view showing the arrangement and structure of the seat and the second seat;
Fig. 13 is a perspective view showing the leg structure of the first seat and the second seat, Fig. 14 is a view of the state in which the first seat is folded, Fig. 15 is an explanatory view of the state in which the first seat is folded backward; FIG. 16 is an explanatory diagram of a state in which the first seat and the second seat are folded and stored in the rear part of the rear compartment.
17 to 21 show a third embodiment of the present invention, FIG. 17 is a perspective view showing the leg structure of the first seat and the second seat, and FIG. 18 is a perspective view showing the lower side of the front leg of the first seat. A perspective view of a hinge bracket that can be rotated and detached from the floor, FIG. 19 is a cross-sectional view showing the lower side of the front legs of the first seat fixed on the floor by the hinge bracket, and FIG. 20 is a perspective view of the hinge bracket of the first seat and Second
FIG. 21 is an explanatory diagram of the seat folded and stored in the front part of the rear compartment. FIG. 21 is an explanatory diagram of the first seat and the second seat folded and stored in the rear part of the rear compartment. 1,41,81...Van type car, 2,42,8
2...Floor, 6,46,86...Rear chamber, 10,4
8, 90...first seat, 11,49,91...seat part,
12,50,92...Backrest, 13,51,93...Second seat, 14,52,94...Seat part, 15,53,
95... Back support, 18, 26, 55, 63, 97, 1
11... Front legs, 20, 29, 59, 65, 103,
114... Rear leg, 21, 62... Horizontal part, 106... Horizontal connecting rod, 33, 70, 116... Leg part, 98, 1
15... Hinge bracket, L1, L2, L3, L
4, L5, L6... Reclining device.

Claims (1)

[Scope of Claims] 1. Legs that support a first seat and a second seat, which are arranged at a predetermined distance in the longitudinal direction of a vehicle and whose backrests are foldable with respect to the seat. , this leg section has a front leg and a rear leg provided at the front and rear of the underside of the seat of the first seat, and a front leg and a rear leg provided at the front and back of the underside of the seat of the second seat, and the rear leg of the first seat. or one of the front legs of the second seat has a second seat along the vehicle floor at its lower end.
A horizontal portion extending toward the seat or the first seat is bent and formed, and the lower end of the front leg of the other second seat or the rear leg of the first seat is rotatably connected to the end of this horizontal portion, while the lower end of the front leg of the other second seat or the rear leg of the first seat is The lower end of the front leg of the first seat that forms a horizontal part or the rear leg of a second seat that forms a horizontal part in the front leg is rotatably connected to the vehicle floor, and the front leg of the second seat that does not form a horizontal part in the front leg The rear legs or the front legs of the first seat that does not form a horizontal part on the rear legs are foldable on the underside of the seat, and the second seat that does not form a horizontal part on the front legs or the first seat that does not form a horizontal part on the rear legs. The backrest of the first seat with horizontal parts formed on the rear legs or the second seat with horizontal parts formed on the front legs is folded over the horizontal parts of the rear legs of the first seat or the front legs of the second seat, and is rotated forward or backward together with the seat folded on the horizontal portion of the rear leg of the first seat or the front leg of the second seat, so that the first seat and the second seat are folded and stored in two upper and lower stages. A seat leg structure in a van-type vehicle characterized by: 2 Legs that support the first and second seats, which are arranged at a predetermined distance in the longitudinal direction of the vehicle and whose backrests are foldable relative to the seats, and which are The first seat has front legs and rear legs provided at the front and back of the underside of the seat, and the second seat has front legs and rear legs provided at the front and back of the underside of the seat, and the rear legs of the first seat and the front legs of the second seat are provided. are rotatably connected at their lower ends via a horizontal connecting rod, while the first
The front legs of the seat and the rear legs of the second seat are made to be foldable on the underside of the seat, and their lower ends are attached to the vehicle floor in a rotatable and removable manner so that either the second seat or the first seat can be folded. Fold it onto the horizontal connecting rod, fold the backrest of the other first seat or second seat, and rotate this seat forward or backward together with the seat folded onto the horizontal connecting rod to form the first seat. A seat leg structure in a van-type vehicle, characterized in that a second seat is folded and stored in two stages, upper and lower.