JP3371722B2 - Vehicle removable seat structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a removable seat that is installed in a vehicle compartment in a removable manner and that can be stored forwardly.

[0002]

2. Description of the Related Art Conventionally, there is a structure in which a detachable seat is installed in front of a luggage compartment of a van type vehicle, and the seat is removed to extend the luggage compartment forward. FIG. 5 shows an example thereof, in which the seat 8 has an engagement groove 82 that opens forward at the lower end of the front leg 81 that supports the front side of the seat cushion 80.
1 and a lock mechanism 84 at the lower end of a rear leg 83 that supports the rear side of the seat cushion 80. Correspondingly, the hook 82 at the lower end of the front leg 81 is correspondingly locked and fixed to the striker 85 provided on the vehicle compartment floor F, and the lock mechanism 84 at the lower end of the rear leg 83 is correspondingly provided. Engagement part 8 provided on the passenger compartment floor F
The seat 8 is placed on the passenger compartment floor F by being detachably locked to the seat 6. While releasing the lock of the rear leg 83, the engagement of the front leg 81 is released, and the seat 8 is removed.
Extend the luggage compartment forward.

As another conventional removable seat, as shown in FIG. 6 (A), a seat back 91 is rotatably provided so as to be superposed on a seat cushion 90 so that the seat back 91 can be folded forward and rotated. Engagement members 92A and 92B are provided at the front and rear ends of the rim, respectively, while the engagement members 92A and 9B are provided on the passenger compartment floor F.
The front striker 93A and the rear striker 93B are provided corresponding to 2B.
There is a seat 9 in which the engaging members 92A and 92B are removably engaged with each other and installed in 3B (actually disclosed in Japanese Utility Model Laid-open No. 62-267
42). The seat 9 can be removed by disengaging the engagement members 92A, 92B and the strikers 93A, 93B, and the engagement member 92A at the front end can be engaged with and disengaged from the striker 93A on the front side and can be rotated. As shown in FIG. 6 (B), the seat back 91 is tilted forward and the engagement member 92B at the rear end is disengaged, and the front striker 93A is rotated forward. It can be stored in a standing state.

[0004]

However, in the above-mentioned conventional structure, in the former case, in any case of expanding the luggage compartment, for example, when the load is slightly larger than the normal luggage compartment and the luggage compartment is slightly expanded. However, it is necessary to remove the seat 8 one by one, and it is necessary to secure a storage place for the removed seat 8 and the like. In the latter case, the structure of the seat 9 is complicated, and even when the seat 9 is erected and stored to expand the luggage compartment, or when the seat 9 is removed and the luggage compartment is expanded, the passenger compartment is placed on the floor F. The strikers 93A and 93B are protruding, which hinders the loading of luggage. Therefore, an object of the present invention is to realize a detachable seat structure that has a simple structure, is easy to attach and detach, and does not hinder loading of luggage.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a seat in which a seat cushion is rotatably erected forward around a lower end of a front leg that supports a front portion of the seat cushion, and the front leg is provided on the passenger compartment floor. Install the lower bracket at the corresponding position. An upper bracket is slidably engaged with the lower bracket in the front-rear direction so that a slide race is formed.
The upper bracket is removably engaged with the lower bracket rearward. A lock member that disengages the brackets is provided between the brackets. Then, the lower end of the front leg is pivotally supported on the upper bracket so as to be rotatable in the front-rear direction . Meanwhile, seat cushion
The rear legs that support the rear of the
Rotatably pivotally attached to the passenger compartment, and its lower end is engaged with and disengaged from the passenger compartment floor.
It is possible to lock it (Claim 1) .

[0006]

[0007] The locking member, the upper bracket and vertically movable through, a locking pin which enables the entry exit the engaging hole formed in the lower bracket lower (claim
2 ).

A spring member for urging the lock pin downward is attached to the lock pin, while the lower bracket has a sloping surface which rises forward at the rear end, and is located in front of the sloping surface. A lock pin guide surface provided with the locking hole is formed, and the inclined surface pushes up the lock pin against the biasing force of the spring member when the upper bracket advances, and the lock pin is engaged at the position of the locking hole. Make it possible to enter the stop hole ( Claim 3 ).

Therefore, the seat unlocks the rear legs.
In addition to rotating the front legs to store them upright, unlock the upper bracket and lower bracket,
It can be easily removed by sliding the upper bracket rearward. Further, after the seat is removed, the slide rail-shaped lower bracket remains on the passenger compartment floor, which does not hinder the loading of luggage. Further, even when the seat is mounted on the floor of the passenger compartment, by sliding the upper bracket forward with respect to the lower bracket, the seat is automatically locked and can be mounted easily.

[0010] the said rear leg and said upper bracket, at one end to the rear leg, which is linked with the link member which is pivotally mounted so as to be respectively rotated at the other end to the upper bracket (Claim 4).
When the seat is stored upright, the rear legs can be automatically stored along the back surface of the seat cushion as the seat cushion stands up.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1A and 1B, a seat 1 includes a seat cushion 10 and a seat back 11 which are placed on a seat cushion 10 via a reclining device 12. The structure is such that both can be polymerized forward. A front leg 13 that supports the front side of the seat 1 is provided at the front end of the bottom surface of the seat cushion 10, and the lower end of the front leg 13 rotates in the vehicle front-rear direction with respect to the passenger compartment floor F via the lower bracket 2 and the upper bracket 3. It is mounted so that it can be moved and detached. on the other hand,
Rear legs 14 that support the rear side of the seat 1 are pivotally attached to the bottom face of the seat cushion 10 at the rear end of the bottom face of the seat cushion, and the lower ends of the rear legs 14 are connected to the vehicle compartment floor F via a lock mechanism 6. It is locked so that it can be engaged and disengaged. The rear leg 14 has almost L
There is provided a link member 15 which is bent in a letter shape, one end of which is pivotally attached to the upper part of the rear leg 14 and the other end of which is pivotally attached to the upper bracket 3.

The mounting structure of the lower end of the front leg 13 will be described with reference to FIGS. 2 is an exploded perspective view thereof, and FIG. 3 is a sectional view thereof. The lower bracket 2 is provided on the passenger compartment floor F (FIG. 1). The lower bracket 2 extends in the vehicle front-rear direction and has a lower rail shape of a slide rail mechanism including an engaging portion 20 formed by bending left and right side edges inward, and has a locking hole 21A formed in a central portion. There is. The bolts B1 are attached to the mounting holes 22 formed at the front and rear ends.
B2 is penetrated and fastened to the passenger compartment floor F with both bolts B1 and B2. A stopper 201 is formed at the front end of the engaging portion 20. In addition, the lower bracket 2,
A guide member 23 is provided so as to cover this. The guide member 23, when moving the upper bracket 3,
It is for guiding a lock pin 32 attached to this, which will be described later, and is formed by bending a plate material and is formed on a rear end thereof.
And form a guide surface, and the flat surface 232 has a through hole 21B corresponding to the locking hole 21A of the lower bracket 2. Then, the rear end edge is engaged with the slit 24 at the rear end of the lower bracket 2, and the front end edge is attached to the lower bracket 2.
It is fixed to the passenger compartment floor F together with the front end of the vehicle by fastening it with a bolt B1.

On the other hand, the upper bracket 3 corresponding to the lower bracket 2 has a two-layer structure in which an upper member 30 and a lower member 31 are superposed and fixed. The upper member 30 has a support shaft 301 at its front end, and the lower end of the front leg 13 of the seat 1 is pivotally attached to the support shaft 301 so as to be rotatable in the front-rear direction. A support shaft 302 protruding laterally is provided at the rear end of the upper member 30, and the support member 302 is attached to the support shaft 302.
One end of 5 is pivotally attached so as to be rotatable in the front-rear direction. Lower member 3
Reference numeral 1 denotes an upper rail-shaped plate body of a slide rail mechanism formed in an inverted U shape, which has flanges 311 on both left and right edges, and is slidably fitted into the lower bracket 2. The upper member 30 and the lower member 31 are superposed on each other and the front and rear ends thereof are caulked and fixed by rivets R1 and R2. A through hole 313 is formed in the center of the lower member 31.

The upper bracket 3 is provided at its center with a lock pin 32 projecting downward so as to be vertically movable. A central portion of the upper member 30 of the upper bracket 3 has a reverse container shape, and a through hole 303 is formed on the upper surface thereof.
Guide grooves 304 are formed on the left and right side surfaces. Then, the lock pin 32 is attached to the through holes 313, 30 from the lower side.
3 so that the lock pin 32 has a knob 3
Install 21. A pin 35 is made to pass through the middle portion of the lock pin 32, and both ends of the pin 35 are fitted in the guide grooves 304. Therefore, the lock pin 32 can be lowered and raised within the range in which the pin 35 moves up and down in the guide groove 304. The upper member 30 is provided around the lock pin 32.
A coil spring 36 for urging the lock pin 32 in a descending direction is provided between the lock pin 32 and the pin 35. It rises by pulling up against.

Usually, in the upper bracket 3, the lower member 31 is fitted into the lower bracket 2 and the front end of the lower member 31 is in contact with the stopper 201, as shown by the two-dot broken line in FIG. The above lock pin 32
Are fitted and locked in the locking holes 21A and 21B of the lower bracket 2.

To remove the upper bracket 3 from the lower bracket 2, the knob 321 of the lock pin 32 is pulled upward against the urging force of the coil spring 36, and the lock pin 3 is removed.
2 is raised and the locking holes 21A, 2 of the lower bracket 2
Remove the lock from 1B. With the lock released, the upper bracket 3 is slid rearward, and the upper bracket 3 is pulled out from the rear end of the lower bracket 2.

Lower bracket 2 to upper bracket 3
When removing the lock pin 32, the lock pin 32
1B to release the lock, slide the upper bracket 3 rearward and shift the lock pin 32 from the locking holes 21A and 21B, and even if the knob 321 is released, the lower end of the lock pin 32 is a guide member. By slidingly moving on the lock pin guide surfaces 232 and 231 of 23, the removal operation of the upper bracket 3 can be smoothly performed without causing any trouble in the removal of the upper bracket 3.

To assemble the upper bracket 3 to the lower bracket 2, attach the upper bracket 3 to the lower bracket 2.
Insert from the back and slide it forward. In this case, as the upper bracket 3 slides forward, the lock pin 32 moves toward the inclined surface 231 of the guide member 23.
When the front end edge of the lower member 31 of the upper bracket 3 comes into contact with the stopper 201 of the lower bracket 2, the lock pin 32 moves toward the guide member 23. When reaching the locking hole 21B, the lock pin 32 is fitted into the locking hole 21B and the locking hole 21A of the lower bracket 2 by the urging force of the coil spring 36, and the upper bracket 3 and the lower bracket 2 are automatically engaged and locked. To be done.

The lock mechanism 6 of the rear leg 14 of the seat 1 is shown in FIG.
It will be described based on. Although not shown, the rear leg 14 is made of a substantially U-shaped pipe material whose left and right ends are bent upward, and the bent upper ends are pivoted to both sides of the rear end of the back surface of the seat cushion 10, respectively. It is as a worn structure. Reference numeral 141 shown in the drawing is a bottom side of the rear leg 14 along the vehicle compartment floor F, and 142 is a cushion material for preventing looseness. A stay 61 formed by bending a steel plate into a U shape is welded and fixed to the bottom side 141 of the rear leg 14 at substantially the center thereof. The stay 61 is rotatably provided with a support shaft 62 penetrating the upper surface and the lower surface thereof, and a handle 63 is provided at an upper end of the support shaft 62.
However, a rectangular lock plate 64 is attached to the lower end of the support shaft 62, and the lock plate 64 is also rotated by rotating the handle 63. 65 in the figure
Is a coil spring which is arranged on the outer periphery of the support shaft 61 and urges the lock plate 64 in a pulling direction. On the other hand, in the passenger compartment floor F corresponding to the lock plate 64, an engagement hole 7 having substantially the same shape as the lock plate 64 and through which the lock plate 64 can be inserted is formed. A reinforcement plate 71 is overlapped and welded around the periphery of the.

Insert the lock plate 64 into the engagement hole 7,
The handle 63 is rotated to engage the lock plate 64 with the engaging hole 7
Rotate so that it intersects with the lock plate 6
4 is engaged with the rear surface of the opening edge of the engaging hole 7 and locked.
In this case, the lock plate 64 is surely engaged with the rear surface of the opening edge of the engagement hole 7 by the biasing force of the coil spring 65.
To release the lock, the handle 63 is rotated to rotate the lock plate 64 in a direction coinciding with the engagement hole 7, and the lock plate 64 is pulled out from the engagement hole 7.

As shown in FIG. 1 (A), the seat 1 is usually engaged and locked with an upper bracket 3 provided at the lower end of the front leg 13 at the front end of the seat cushion 10 and a lower bracket 2 fixed to a passenger compartment floor F. At the same time, the lock plate 64 of the lock mechanism 6 of the rear leg 14 is engaged and locked in the engagement hole 7 of the passenger compartment floor F, whereby the rear leg 14 is installed in a seated state.

Next, when the luggage compartment is expanded forward, the seat back 11 of the seat 1 is tilted forward so as to overlap with the upper surface of the seat cushion 10, and is engaged with the lock plate 64 of the lock mechanism 6 of the rear leg 14. The engagement lock with the hole 7 is released, and the seat 1 is rotated until the front end of the seat cushion 10 comes into contact with the passenger compartment floor F around the support shaft 301 having the lower end of the front leg 13 pivotally attached to the upper bracket 3. It can be moved and stored upright to extend the luggage compartment forward. In this case, the rear leg 14 is automatically folded and stored by the link member 15 along the back surface of the seat cushion 10 as the seat cushion 10 is erected.

When the luggage compartment is further extended forward, the knob 32
1 is lifted, the engagement lock between the upper bracket 3 and the lower bracket 2 is released, and the upper bracket 3 is pulled out from the lower bracket 2, whereby the passenger compartment floor F
Remove seat 1 from. In this case, only the lower bracket 2 having a low height is present on the floor F of the expanded luggage compartment and does not disturb the loaded luggage. Further, even when the seat 1 is installed again on the passenger compartment floor F, a simple operation of engaging and locking the lower bracket 2 with the upper bracket 3 can be performed.

[0024]

According to the present invention, the detachable seat has a simple structure and can be installed and detached in a standing manner with easy operability. Since there are no objects, it is possible to effectively use the expanded luggage compartment without hindering the loading of luggage.

[Brief description of drawings]

FIG. 1 shows a removable sheet device of the present invention.
(A) is a side view of the seat in a seated state, FIG. 1 (B)
FIG. 4 is a side view of the seat in a standing storage state.

FIG. 2 is an exploded perspective view of a structure for attaching the lower end of the front leg of the removable seat device of the present invention to the passenger compartment floor.

FIG. 3 is a view showing a cross section and an operation of the mounting structure.

FIG. 4 is a perspective view showing a lock structure for locking the lower ends of the rear legs of the removable seat apparatus of the present invention to the passenger compartment floor.

FIG. 5 is a side view showing a conventional removable sheet.

FIG. 6 shows another conventional detachable sheet, and FIG.
FIG. 6A is a perspective view thereof, and FIG. 6B is a side view of the state where the sheet is erected and stored.

[Explanation of symbols]

1 sheet 10 seat cushion 13 front legs 14 hind legs 15 Link members 2 Lower bracket 21A, 21B locking hole 231, 232 Lock pin guide surface 3 upper bracket 30 Upper member of upper bracket 31 Lower member of upper bracket 32 Lock Pin (Lock Member) 36 Coil spring (spring member) F car interior floor

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-8-67187 (JP, A) Actual flat 1-123736 (JP, U) Actual flat 4-48033 (JP, U) Actual flat 2- 44529 (JP, U) Actual development Sho 62-26742 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B60N 2/00-2/72

Claims (4)

(57) [Claims] 1. In a seat in which a seat cushion is pivoted upright around a lower end of a front leg that supports a front portion of the seat cushion and stored, a lower bracket is provided on a vehicle compartment floor at a position corresponding to the front leg. Installed, the upper bracket is slidably engaged with the lower bracket in the front-rear direction to form a slide rail structure, and
The upper bracket is removably engaged with the lower bracket rearwardly, and a lock member is provided between the two brackets to engage and disengage them. The rear legs that support the seat cushion and the rear part of the seat cushion are
Rotatably pivot the upper end of the
A detachable seat structure for a vehicle, in which the lower end of the vehicle is removably locked to the passenger compartment floor . 2. The lock member is the upper bracket.
The lower bracket on the lower bracket.
The detachable seat structure for a vehicle according to claim 1 , wherein the lock pin is a lock pin that can enter and leave the engaging hole . 3. The lock pin is biased downwardly.
While a spring member is attached to the lower bracket,
The rear end has an inclined surface that rises forward, and the inclined surface of the inclined surface
Forming a lock pin guide surface with the locking hole at the front position
However, when the upper bracket moves forward, the inclined surface becomes
Push up the lock pin against the urging force of the material,
At the stop hole position, let the lock pin enter the lock hole.
The removable seat structure for a vehicle according to claim 2 . 4. The rear leg and the upper bracket,
One end to the rear leg and the other end to the upper bracket.
Use a link member that is pivotally attached so that the seat clip
The rear legs above the seat cushion
The removable seat structure for a vehicle according to claim 1, wherein the removable seat structure is housed along a surface .