JPH1076872A - Mounting device of detachable seat for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a working space for seat mounting or demounting work plus working procedures achievable at discretion by reducing the weight of a car detachable seat, thereby turning these operations for seat mounting and demounting to and from a body floor to one's advantage, and then making a locking mechanism's striker at the floor side shiftable. SOLUTION: This is a mounting device of a car detachable seat being detachably attached to a body floor and slidable in the longitudinal direction, and it is provided with a slide mechanism 30 at the floor side, and in this constitution, a first locking mechanism 40 releasably locking the seat to an upper rail 32 is installed in space between both longitudinal ends of the seat and the upper rail 32, and likewise a second locking mechanism locking the upper rail 32 releasably at the sliding position is installed in space between a lower rail 31 and the upper rail 32, reducing the weight of the sat, and then a longitudinal position of a striker 44 of the first locking mechanism at the body floor side is made alterable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for mounting a detachable seat for a vehicle, which is detachably mounted on a vehicle body floor and slidable in the front-rear direction.

[0002]

2. Description of the Related Art As one type of a detachable seat for a vehicle, there is a detachable seat for a vehicle which is detachably mounted on a vehicle body floor and is slidable in the front-rear direction.

FIGS. 8 and 9 show a detachable seat for a vehicle.
As shown in FIG. 1, a slide mechanism 2 having a lower rail and an upper rail is disposed on the sheet 1 side, and between the front and rear ends of the lower rail constituting the slide mechanism 2 and the vehicle body floor 3. , A first lock mechanism on the front side and a second lock mechanism on the rear side are disposed.

In the vehicle detachable seat, as shown in FIG. 9, the hook 4a of the first locking mechanism is first inserted into the striker 4b provided on the vehicle body floor from the rear as shown in FIG. Hooked, then the second
The hook 5a of the lock mechanism is mounted on a striker 5b provided on the vehicle body floor 3 by being inserted from above and hooked. Further, the removable seat for the vehicle is mounted on the vehicle body floor 3.
When removing from the body, the hook 5a of the second lock mechanism is first removed from the striker 5b on the vehicle body floor 3 side and rotated upward, and then the hook 4a of the first lock mechanism is removed from the vehicle body. The procedure is to remove the striker 4b on the floor 3 by pulling it out rearward.

[0005]

In the removable seat for a vehicle, since the slide mechanism 2 is provided on the seat 1 side, the weight of the seat 1 is large,
Is extremely disadvantageous for the work of attaching to the vehicle body floor 3 and the work of removing it. In addition, since the strikers 4b and 5b on the vehicle body floor 3 constituting each lock mechanism are immovable and the procedure for attaching and detaching the seat 1 is fixed, the work place and work for attaching and detaching the seat 1 are performed. Procedures are regulated. Further, since the structures of the first and second lock mechanisms are different from each other, it is impossible to arrange the seat 1 in a seating state, for example, in the seating state.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned problems in a slidable vehicle detachable seat.

[0007]

SUMMARY OF THE INVENTION The present invention relates to an apparatus for mounting a detachable seat for a vehicle, which is detachably mounted on a vehicle body floor and slidable in the front-rear direction, and comprises a lower rail fixed to the vehicle body floor and a longitudinal rail mounted on the lower rail. A sliding mechanism having an upper rail slidably mounted in a direction, and provided between front and rear ends of the seat and front and rear ends of the upper rail to releasably lock the seat with respect to the upper rail. A first lock mechanism; and a second lock mechanism provided between the lower rail and the upper rail, the second lock mechanism being configured to releasably lock the upper rail with respect to the lower rail at a sliding position of the upper rail. A lock release means for releasing the lock of the second lock mechanism is provided on the seat side.

In the mounting device according to the present invention, it is preferable that the first lock mechanisms have the same structure.

[0009]

In the mounting apparatus for a detachable seat for a vehicle configured as described above, since all the constituent members of the slide mechanism are disposed on the vehicle body floor, the weight of the seat is lower than that of the conventional type. The weight can be considerably reduced as compared with the vehicle detachable seat, which is advantageous for the work of attaching and detaching the seat.

Further, the position of the locking means on the vehicle body floor side constituting each first locking mechanism in the front-rear direction can be changed by sliding the upper rail in the front-rear direction. Can easily be changed to a desired position where the work is easy.

Furthermore, the structure of each first lock mechanism can be configured to be the same, and if the first lock mechanisms are configured to be the same as each other, the lock at the time of mounting the seat can be changed to any of the lock mechanisms. You may start with For this reason, the procedure for attaching and detaching the sheet can be arbitrarily changed, the work place for attaching and detaching the sheet and the work procedure can be eliminated, and the position and the procedure for attaching the sheet can be changed as desired. By making changes,
The work of attaching and detaching the seat can be performed more efficiently, and the arrangement at the time of attaching the seat, such as attaching the seat in a seated state, becomes possible.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the drawings. FIG. 1 shows a detachable seat for a vehicle which is detachably mounted on a vehicle body floor using a mounting device according to an example of the present invention. I have. The seat 10 is attached to an upper rail 32 that constitutes a slide mechanism 30 disposed in the recess 22 of the vehicle body floor 21 shown in FIGS. 2, 5, and 7.

The slide mechanism 30 includes a lower rail 31, an upper rail 32, a plurality of slide balls 33a, slide rollers 33b, and a closing band 34. The lower rail 31 is a long one having a substantially U-shaped cross section with an upper opening. The lower rail 31 has an inward flange portion 31b at each of the left and right upper end edges of the rail main body 31a, and a large number of lock holes in the side wall of the rail main body 31a. 31c.

The upper rail 32 has a substantially flat plate shape shorter than the lower rail 31, and has a flange portion 32 that extends downward and outward at each of left and right edges of the rail body 32a.
b, a first rectangular opening 32c is formed at each of the front and rear ends of the rail main body 32a, and a second opening 32d is formed at a substantially central side of the front and rear of the rail main body 32a. ing. A box-like bracket 32e that opens upward is provided on the lower surface side of each first opening 32c in the rail main body 32a.

The lower rail 31 and the upper rail 32 are fitted with each other, a slide ball 33a is interposed between the flange portions 31b and 32b of each rail 31, 32, and the bottom surface of the rail main body 31a of the lower rail 31 and the upper rail 32 A slide roller 33b is interposed between the rail body 32a and the lower surface of the rail body 32a. A closing band 34 is inserted into the rail main body 31a of the lower rail 31, and the closing band 34 is located between the upper rail 32 and the rail main body 32a when the upper rail 32 is assembled.

The slide mechanism 30 is disposed in the recess 22 of the vehicle body floor 21 in this state, and each end of the closing band 34 is attached to a bracket 23 provided at each end of the recess 22 by a shaft 34a. The lower rail 31 is fixed to the recess 22 in this state. In addition, the lid 24 is attached above each attachment portion of the closing band 34, and covers the upper portion of each attachment portion.

In this assembled state, the upper rail 32 is located in the recess 22 of the vehicle body floor 21 and the lower rail 3
1 is slidable in the longitudinal direction. In addition, obstruction zone 3
4 is the front and rear ends of the upper rail 32 and the lower rail 31.
Between the front and rear ends of the upper rail 3
If 2 slides back and forth and changes its position,
It functions to sequentially close gaps that change following the sliding operation of the upper rail 32.

The vehicle detachable sheet 10 includes a slide mechanism 3.
The upper rail 32a is attached to the upper rail 32 via a first lock mechanism 40a shown in FIGS. The upper rail 32 is different from the lower rail 31 in FIGS.
Are releasably locked by a second lock mechanism 40b shown in FIG.

The first lock mechanism 40a corresponds to the first lock mechanism of the present invention, and includes the right and left front ends of the cushion frame 12 of the seat cushion 11 constituting the seat 10 and the front ends of the left and right upper rails 32. , And between the left and right rear ends of the cushion frame 12 and the left and right upper rails 32, respectively.

The first lock mechanism 40a is shown in FIGS.
As shown at the left side, the hook 41,
A torsion spring 42, a guide bracket 43, and a striker 44 are provided. The hook 41 is connected to the hook 41 of the lock mechanism on the right front by a connecting rod 45 in a state where the hook 41 is rotatably mounted in the front-rear direction outside the end of the cushion frame 12. The hook 41 is urged clockwise in the drawing to extend downward by the action of a torsion spring 42 interposed between the hook frame 41 and the cushion frame 12, thereby positioning the hook 41a forward.

The guide bracket 43 has a box shape that opens inward, and has a notched opening 43a formed at the lower front end thereof.
, And covers the hook 41 from the outside. The lower end of the hook 41 is the guide bracket 4
3, and the engaging portion 41 a faces forward through the opening 43 a of the guide bracket 43.

On the other hand, the striker 44 is
Are supported by the side walls of the brackets 32e before and after, and extend left and right within the bracket 32e. Upper rail 3
Each of the front and rear strikers 44 supported by the front and rear 2 is opposed to each of the front and rear hooks 41 provided on the cushion frame 12, and at the hook 41, as shown in FIGS. When the distal end of the striker 44 collides with the striker 44, it rotates counterclockwise against the torsion spring 42 and returns, and is hooked on the striker 44 by its hook 41a. At this time, the lower end projecting bracket 43b of the guide bracket 43 functions to guide the hook 41 into the bracket 32e of the upper rail 32.

The front, rear, left and right first lock mechanisms 40a have the same configuration, and the front first lock mechanisms 40a are mounted symmetrically with respect to the cushion frame 12; The rear first lock mechanisms 40a are symmetrical with respect to the cushion frame 12 and are symmetrically mounted with the front first lock mechanisms 40a.

The second lock mechanism 40b corresponds to the second lock mechanism of the present invention, and as shown in FIGS.
A lock bracket 46, a lock plate 47, a compression spring 48, and a release lever 49 are provided. The lock bracket 46 has a U-shape that opens upward. The front wall 46a has a pair of front and rear lock holes 46b at the lower end thereof, and an inner edge is formed at the upper edge of each lock hole 46b. The rear end wall 46d has a substantially T-shaped opening 46e.

The lock plate 47 includes a plate body 47.
An operation portion 47b protruding upward is provided at a substantially central portion of a, and a locking projection 47c is provided at a distal end portion of the plate body 47a. In the lock plate 47,
Each locking projection 47c passes under each guide portion 46c of the lock bracket 46, and each lock hole 4 of the distal end wall portion 46a.
6b, the rear end of the plate body 47a is inserted into the opening 46e of the rear end wall 46d, and is incorporated in the lock bracket 46. A compression spring 48 is interposed.

Lock bracket 46, lock plate 4
7, and the compression spring 48 are disposed between the lower rail 31 and the upper rail 32 and opposed to the second opening 32d of the upper rail 32 in this assembled state. In this state, the lock plate 47 is moved inward by the urging force of the compression spring 48, and the locking projections 47c engage the lock holes 46b of the lock bracket 46 as shown in FIG. It is inserted into each lock hole 31c of the lower rail 31 while penetrating. Thereby, the upper rail 32 is locked to the lower rail 31. On the other hand, the release lever 49 has a bent shape, and is supported by the side wall of the groove 12a provided substantially at the center in the longitudinal direction of the cushion frame 12 so as to be rotatable in the left-right direction. As shown in (a), the lower engaging portion 49a projects vertically downward and extends into the lock bracket 46, and the operating portion 47 of the lock plate 47 is formed.
b is located on the side opposite to the compression spring 48. The operation portion 49b above the release lever 49 extends outwardly from the groove 12a of the cushion frame 12.

Accordingly, when the operating portion 49b of the release lever 49 is rotated inward, the distal end of the engaging portion 49a is moved to the operating portion 47b of the lock plate 47 as shown in FIG. Is pressed against the compression spring 48 to move the lock plate 47 outward, pull out the locking projection 47c of the lock plate 47 from each lock hole 31c of the lower rail 31, and release the lock of the upper rail 32 with respect to the lower rail 31. .

In the mounting device configured as described above,
In order to assemble the vehicle detachable sheet 10 on the vehicle body floor 21, the first locking mechanisms 40 a provided on the left and right sides of the front end of the cushion frame 12 and the left and right sides of the rear end of the cushion frame 12 are recessed. Slide mechanism 3 disposed at the place 22
It is assembled to the 0 upper rail 32.

The seat 10 is placed on each of the upper rails 32 of the slide mechanism 30, and the guide bracket 4 provided on the cushion frame 12 side of the first lock mechanism 40a.
4 is inserted into the first opening 32c of the upper rail 32, as shown in FIGS.
Collides with the striker 44 provided on the bracket 32e, the hook 41 rotates against the torsion spring 42 and returns, and is hooked on the striker 44 by the hook 41a.

This locking state can be performed simultaneously by the left and right first lock mechanisms 40a on the front end side or the rear end side, and all of the left and right first lock mechanisms on the front end side and the rear end side. It can be performed simultaneously by the mechanism 40a. Thereby, the seat 10 is securely attached to the upper rail 32 of the slide mechanism 30 and locked. This locked state is achieved by rotating an operation arm (not shown) provided on the connecting rod 45 in the counterclockwise direction shown in FIG. 4 and rotating each hook 41 against the torsion spring 42 to disengage it from the striker 44. It is released. Thus, the seat 10 can be removed from the upper rail 32 of the slide mechanism 30.

On the other hand, in the second lock mechanism 40b,
The seat 10 is connected to the upper rail 32 of the slide mechanism 30.
In the state assembled in FIG. 7, as shown in FIG.
The engaging portion 49a of the release lever 49 is
Inside the operation portion 47b of the lock plate 47, and the upper rail 32 is locked to the lower rail 31. In this locked state, to adjust the position of the seat 10 in the front-rear direction, the operation portion 49b of the release lever 49 is rotated inward.

Thus, the engaging portion 49 of the release lever 49
The leading end of the lock plate 47 a comes into contact with the operating portion 47 b of the lock plate 47 and presses against the compression spring 48 to move the lock plate 47 outward to lock the locking projection 47 c of the lock plate 47 on each of the lower rails 31. Withdrawing from the hole 31c, the lock of the upper rail 32 with respect to the lower rail 31 is released. In this state, the upper rail 32
Is slidable in the front-rear direction with respect to the lower rail 31,
By sliding the upper rail 32 forward and backward,
The position of the seat 10 in the front-rear direction can be arbitrarily adjusted.

In the mounting device, all of the slide mechanism 30 and the hook 4 of the first lock mechanism 40a are connected.
1. Since all components except the guide bracket 43 and all components except the release lever 49 of the second lock mechanism 40b are arranged in the recess 22 of the vehicle body floor 21, the weight of the seat 10 is reduced. The weight can be extremely reduced as compared with this type of conventional vehicle detachable seat, which is advantageous for the work of attaching and detaching the seat 10.

Further, the position of the striker 44 on the vehicle body floor 21 side of the first lock mechanism 40a in the front-rear direction can be arbitrarily changed by sliding the upper rail 32 in the front-rear direction. 10
The work position at the time of attaching and detaching can be easily changed to a desired position where work is easy.

Furthermore, since the structure of each of the first lock mechanisms 40a is the same, the procedure for attaching and detaching the seat 10 can be arbitrarily changed, and the work for attaching the seat 10 can be changed. The restriction on the work place and the work procedure of the removal work can be eliminated, and the desired work position and work procedure can be easily changed.
In addition to being able to more efficiently perform the attaching and detaching operations of the seat 0, it is possible to arrange the seat mounting state, such as mounting the seat 10 in a facing state.

[Brief description of the drawings]

FIG. 1 is a perspective view of a mounting device according to an example of the present invention and a vehicle detachable sheet mounted by the mounting device.

FIG. 2 is an exploded perspective view of a slide mechanism constituting the mounting device.

FIGS. 3A and 3B are a perspective view of a first lock mechanism constituting the mounting device and a perspective view of a state in which a hook constituting the lock mechanism is removed; FIGS.

FIG. 4 is an operation explanatory view showing a state (a) before locking, a state during locking (b), and a lock completed state (c) of the first lock mechanism.

FIG. 5 is a perspective view of a second lock mechanism constituting the mounting device.

FIG. 6 is an exploded perspective view of each component except a release lever in the second lock mechanism.

FIG. 7A is a longitudinal sectional view showing a locked state of the second lock mechanism, and FIG. 7B is a longitudinal sectional view showing a unlocked state.

FIG. 8 is a perspective view of a conventional vehicle detachable seat.

FIG. 9 is a side view showing a state in which the detachable vehicle seat is being mounted.

[Explanation of symbols]

10: detachable seat for vehicle, 11: seat cushion, 1
2: Cushion frame, 12a: groove, 21: body floor, 22: recess, 23: bracket, 24: lid, 3
0: slide mechanism, 31: lower rail, 31a: rail body, 31b: flange, 31c: lock hole, 32:
Upper rail, 32a: Rail body, 32b: Flange, 32c: First opening, 32d: Second opening, 32e
... Bracket, 33a ... Slide ball, 33b ... Slide roller, 34 ... Closed band, 34a ... Shaft, 40a
.. A first lock mechanism, 40b a second lock mechanism, 41 a hook, 41a a hook, 42 a torsion spring,
43: guide bracket, 43a: opening, 44: striker, 45: connecting rod, 46: lock bracket,
46a: front end wall portion, 46b: lock hole, 46c: guide portion, 46d: rear end wall portion, 46e: opening portion, 47: lock plate, 47a: plate body, 47b: operation portion, 4
7c: latching projection, 48: compression spring, 49: release lever, 49a: engagement part, 49b: operation part.

Claims (2)

[Claims] 1. A mounting device for a vehicle detachable seat which is detachably mounted on a vehicle body floor and slidable in the front-rear direction, and is attached to a lower rail fixed to the vehicle body floor and slidably in the longitudinal direction on the lower rail. A sliding mechanism having upper rails provided between the front and rear ends of the seat and the front and rear ends of the upper rail to lock the seat releasably with respect to the upper rail.
And a second lock mechanism provided between the lower rail and the upper rail to releasably lock the upper rail at its sliding position,
A device for mounting a detachable seat for a vehicle, wherein an unlocking means for unlocking the lock mechanism is provided on the seat side. 2. A mounting apparatus for a detachable seat for a vehicle according to claim 1, wherein said first lock mechanisms have the same structure as each other.