JPH11321392A - Seat for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat for a vehicle, which can prevent the occurrence of a play when the seat is locked. SOLUTION: The forward connection means 20 of this seat for a vehicle is provided with a seat rotation arm 21 to be engaged with a forward striker 41 provided for the side of a floor 40, and with a locking arm 22 rotatably fitted to the seat rotation arm 21 in such a way that it can be rotated, a shock absorbing means 23 is mounted on the floor 40 side of the locking arm 22, when the seat is mounted on the floor 40 side in such a way as to be capable of being seated, the locking arm 22 is automatically operated so as to be locked onto the forward striker 41, and concurrently, the shock absorbing means 23 is pressed in contact with the floor surface 40a, and the seat is so constituted that the occurrence of a play can be prevented by this constitution.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat in which a seat rotatably mounted on a floor side of a vehicle body can be detachably locked on the floor side.

[0002]

2. Description of the Related Art As a vehicle seat of this type, a front portion is rotatably connected to a floor side by front connecting means, and is detachably locked to the floor side. It is known that the vehicle is detachably locked to the floor by a rear connecting means.

[0003]

In the above-mentioned conventional vehicle seat, the front connecting means is not provided with a rattling preventing means at the time of locking the seat, so that the seat can be locked on the floor side. In such a seat, there is a problem that rattling occurs during running of the vehicle, which causes noise.

[0004] The present invention has been made to solve the above problems, and an object of the present invention is to provide a vehicle seat that can prevent the occurrence of backlash at the time of seat locking.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, a front connecting means disposed at the lower front of the seat and a rear connecting means disposed at the lower rear of the seat are provided. A vehicle seat configured to be removably attached to a floor side of a vehicle body via a vehicle, wherein the front connecting means includes a seat rotating arm that engages with a front striker provided on the floor side. A lock arm pivotally mounted on the seat rotation arm, and a buffer means is mounted on the floor side of the lock arm, and when the seat is mounted on the floor side in a seatable state, the lock is automatically performed. The arm is actuated and locked to the front striker, and the buffering means is pressed against the floor surface to provide a play preventing effect at the time of locking. It is set to.

Further, in the invention according to claim 2, the rear connecting means includes an engaging member rotatably mounted on the main body and engaging with a rear striker provided on the floor side, and the engaging member. A slide plate for setting a lock state and an unlock state, and a lock plate provided integrally with the slide plate, and a slope inclined in the unlock direction is formed on a rear striker side of the lock plate. , Characterized in that it is configured to provide a play prevention effect at the time of locking.

[0007] The first aspect of the present invention is configured as described above.
According to the invention according to the invention, when the seat is mounted on the floor side in a seatable state, the lock arm of the front connection means is automatically locked to the front striker, and the buffer means presses against the floor surface, and the buffer A compressive load acts on the means. The lock arm presses and engages the front striker due to the reaction force due to the compressive load, thereby preventing backlash of the front portion of the seat during locking.

According to the second aspect of the present invention, when the rear portion of the seat is locked, the inclined surface of the lock plate of the rear connecting means engages with the rear striker so as to press into the rear striker. The occurrence of backlash can be prevented.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS.

The vehicle seat shown in this embodiment is applied to, for example, a second or third row of vehicle seats in a vehicle as shown in FIG. 2, but in order to simplify the description. The vehicle seat 10 located on the left side of the second row will be described. In the vehicle seat 10, the side wall side of the vehicle is defined as an outer side OUT, and the center side of the vehicle is defined as an inner side IN.

FIG. 1 shows a vehicle seat 10 having an outer side OU.
FIG. 2 is a side view as viewed from T, and the vehicle seat 10 is detachably attached to a floor 40 of a vehicle body via a front connecting means 20 disposed at a lower front and a rear connecting means 30 disposed at a lower rear. It is configured as follows.

As shown in detail in FIG. 3, the front connecting means 20 includes a seat rotating arm 21 which engages with a front striker 41 provided on the floor 40 side, and is rotatably mounted on the seat rotating arm 21. A lock arm 22 which is axially mounted on the floor 40 of the lock arm 22;
3, when the seat 10 is mounted on the floor side 40 in a seatable state, the lock arm 22 automatically operates, the front striker 41 is locked, and the buffer means 23 is pressed against the floor surface 40a. Thus, it is configured such that a play preventing effect at the time of locking is achieved.

The rear connecting means 30 includes an engaging member 32 rotatably mounted on the main body 31 and engaging with a rear striker 42 provided on the floor 40 side.
Has a slide plate 33 for setting the lock state and the unlock state, and a lock plate 34 provided integrally with the slide plate 33, and is inclined in the unlock direction toward the rear striker 42 of the lock plate 34. The inclined surface 34a is formed so as to have a play preventing effect at the time of locking.

Further, the configuration of the embodiment according to the present invention will be described in detail.

The vehicle seat 10 includes a seat cushion 1.
1 and a seat back 12 which is pivotally mounted on a rear portion of the seat cushion 11 such that the seat back 12 can be raised and lowered by a seat reclining device (not shown).

The seat rotating arm 21 is fixed to a front portion on the lower surface side of the seat cushion 11. The seat rotating arm 21 has a front portion formed on the floor side 40 so as to project toward the front portion of the seat cushion 11. A concave striker engaging portion 21a that can be fitted to the striker 41 is formed.

The lock arm 22 is connected to the seat rotating arm 2.
1 is rotatably mounted on a pivot 24 and a pivot 2
4 is provided in one of two holes 22a and 22b formed on the same circumference centered on the axis of the seat rotation arm 2.
The configuration is such that the ball 25 held in the hole 21b formed in the elastic member 1 is elastically fitted. As a result, the lock arm 22 locks the front striker 41 at the innermost portion of the striker engaging portion 21 a of the seat rotating arm 21, and locks the striker engaging portion 21 of the seat rotating arm 21.
The seat rotation arm 21 can hold the front striker 41 at two positions in an unlocked state where the front striker 41 can be disengaged.

The holes 22a, into which the balls 25 enter,
The position of 22b is determined by moving the lever 22c integrally attached to the rear side of the lock arm 22 as shown in FIGS. 4 to 5 so that the front connection means 20 can be connected to the front striker 41 or not. It is also possible to detach the part connecting means 20 from the front striker 41.

The lock portion 22d of the lock arm 22
As shown in FIG. 3, the hook is formed in a hook shape so as to cover up to the lower jaw 21c of the striker engaging portion 21a when the front connecting means 20 is locked to the front striker 41. Further, on the rear side of the lock portion 22d of the lock arm 22, a limit portion 22e is formed.
2e is a restricting projection 21 protruding from the seat rotating arm 21.
The rotation of the lock arm 22 is restricted by bringing the lock arm 22 into contact with d. Then, the lever 2 of the lock arm 22
2c is moved clockwise, as shown in FIG.
When 2e abuts on the restriction protrusion 21d, the lock arm 22
Is set so that the ball 25 of the seat rotation arm 21 fits into the hole 22a of the seat rotation arm.

Cushion member 23 constituting buffer means
As shown in FIG. 3, is formed of rubber (synthetic rubber, natural rubber, or the like) formed in a cylindrical shape. It is attached to a buffer means attaching portion 22f formed on the base side. The cushion member 23 is placed on the floor 4 so that the seat 10 can be seated.
When attached to the 0 side, it is pressed against the floor surface 40a and compressed.

As shown in detail in FIG. 7, the rear connecting means 30 includes a main body 31 having a V-shaped introduction groove 31a for introducing a rear striker 42 provided on the floor 40 side,
An engaging member 32 rotatably provided on the main body 31 via a pin 32a and having a hook portion 32b engaging with the rear striker 42; and a supporting portion 32c of the engaging member 32
And the hook portion 32b has a connection holding surface 33a that holds the hook portion 32b in a state of being engaged with the rear striker 42,
The support member 32c of the engagement member 32 is received and the engagement member 32 is received.
A slide plate 33 having an open concave portion 33b that allows the hook portion 32b to rotate in a direction to separate from the rear striker 42, and is provided integrally with the slide plate 33, and is unlocked to the rear striker 42 side. A lock plate 34 having an inclined surface 34a that is inclined.
It is arranged at a position where it can contact the upper surface.

The slide plate 33 is urged by a spring 35 in one direction (the direction in which the hook 32b is held in engagement with the rear striker 42 (the direction of arrow B in FIG. 7)). Further, the engaging member 3
2 is urged by the spring 35 so that the hook portion 32b rotates in a direction (counterclockwise) in which the hook portion 32b is separated from the rear striker 42. That is, the spring 35
The support portion 32c of the engagement member 32 is urged by the connection holding surface 33a by urging the slide plate 33 in one direction.
, And a state in which the hook portion 32b is engaged with the rear striker 42.

Further, the spring 35 is connected to the engaging member 32.
Of the slide plate 33 in the other direction (arrow C in FIG. 7).
Direction), the support portion 32c of the engagement member 32 is inserted into the open concave portion 33b, and the hook portion 32b is detached from the rear striker 42.

The rear connecting means 30 is changed by the connection releasing means 50 from a state in which the hook 32b is engaged with the rear striker 42 to a state in which the hook 32b is detached from the rear striker 42.

The connection releasing means 50 comprises an operation lever 51 as shown in FIG.
Is pivotally attached to the rear of the lower portion of the seat cushion 11 by a pin 52 so as to be rotatable. This operation lever 5
A roller 53 is rotatably supported at one free end of the slide plate 33. The roller 53 is connected to a U-shaped connection release action portion 33c formed by bending a front end of the slide plate 33. It is arranged at a position where it can be engaged. And
When the operation lever 51 is rotated counterclockwise, the roller 5
The slide plate 33 moves in the direction of the arrow C via 3.

Next, the operation of the vehicle seat 10 configured as described above will be described.

As shown in FIGS. 1 and 9, when the seat 10 can be seated, the front and rear portions of the seat 10 are locked to the floor 40 by the front connecting means 20 and the rear connecting means 30. Have been. That is, as shown in FIG. 3, the front connecting means 20 sandwiches the front striker 41 by the cooperative action of the striker engaging portion 21a of the seat rotation arm 21 and the lock portion 22d of the lock arm 22. As a result, the front portion of the seat 10 is locked.

At the time of locking, the cushion member 23 constituting the cushioning means is pressed against the floor surface 40a and compressed, and a compressive load is applied. Due to the reaction force corresponding to the compressive load, a rotating force which is to rotate in the counterclockwise direction acts on the lock arm 22. As a result, the lock portion 22d of the lock arm 22 is strongly pressed by the front striker 41, so that rattling with the front striker 41 can be completely prevented.

Further, as shown in FIG. 7, the rear connecting means 30 connects the rear striker 42 to the hook 3 of the engaging member 32.
2b and the inclined surface 34a of the lock plate 34 cooperate with each other, whereby the rear portion of the seat 10 is locked.

At the time of locking, the lock plate 3
The 4 inclined surface 34a is in contact with the rear striker 42 in a wedge-like manner. As a result, the inclined surface 34a of the lock plate 34 is strongly
2, the rattling with the rear striker 42 can be completely prevented.

As shown in FIG. 12, the rear connecting means 30 sandwiches the main body 31 between the guide members 60 made of synthetic resin, thereby preventing the rear connecting means 30 from moving in the left-right direction. Backlash in the left-right direction of the use sheet 10 is prevented.

Next, the procedure for folding the seat 10 up from the locked state of the front and rear portions of the seat 10 to the front side and removing the seat 10 from the floor 40 side will be described.

First, as shown in FIGS. 9 and 10, the seat back 12 in the upright state is lowered onto the seat cushion 11 by operating the seat reclining device. Next, as shown in FIG. 8, when the operation lever 51 is rotated in the counterclockwise direction, the roller 53 of the operation lever 51 comes into contact with the connection release action portion 33c of the slide plate 33, and the slide plate 33 is moved by the arrow D. Move in the direction. Then, as shown in the drawing, the support portion 32c of the engagement member 32 enters the open concave portion 33b of the slide plate 33 by the urging force of the spring 35, so that the engagement member 32 rotates counterclockwise and the hook portion 32b is detached from the rear striker 42.

Then, when the rear end of the seat cushion 11 is lifted by pulling up the operation lever 51, the seat cushion 11 rises up with the front striker 41 as a fulcrum as shown in FIG. Become
The front connecting means 20 is in the state shown in FIG.

Next, as shown in FIG. 5, the lock arm 22 is rotated clockwise until the restricting portion 22e comes into contact with the restricting protrusion 21d of the seat rotating arm 21. Then
The ball 25 is fitted into the hole 22a, and the engagement between the lock portion 22d of the lock arm 22 and the rear striker 42 is released. Thereby, the seat 10 can be removed from the floor 40 side.

In order to lock the seat 10 removed from the floor 40 side to the floor 40 side so that it can be seated again, first, as shown in FIG. 21a front striker 4
1 and the seat rotating arm 21 as shown in FIG.
Is rotated clockwise. Then, as shown in the figure,
As the cushion member 23 comes into contact with the floor surface 40a and the lock arm 22 is rotated with respect to the seat rotation arm 21, the lock arm 22 is rotated counterclockwise, and FIG.
As shown in the figure, the ball 2 is inserted into the hole 22b of the lock arm 22.
5 is fitted, and the front connecting means 20 is connected to the front striker 41 as described above.

As described above, when the seat 10 removed from the floor 40 is engaged with the front striker 41 and the seat 10 is mounted on the floor 40 so that the seat 10 can be seated,
The lock arm 22 is automatically inserted through the cushion member 23.
, The hook portion 22d engages the front striker 41 to lock the front portion of the seat 10.

Then, in the state shown in FIG.
When the rear striker 42 fits into the zero introduction groove 31a,
The engaging member 32 rotates and the support portion 32c is turned into the open concave portion 33b.
7, the slide plate 33 is returned to the state shown in FIG. 7 by moving in the direction of arrow B by the spring force of the spring 35, and the rear striker 42 is moved to the hook portion 32b of the engagement member 32 and the inclined surface The rear portion of the seat 10 can be locked to the floor 40 side by being sandwiched by the cooperative action with the seat 34a.

Then, by setting the seat back 12 upright by operating the seat reclining device, the seat 10 can be seated as shown in FIG.

The vehicle seat 10 configured as described above
According to this, when the seat 10 is attached to the floor 40 in a state where it can be seated, the lock arm 22 of the front connecting means 20 is automatically locked to the front striker 41 and also serves as a buffer means. Is pressed against the floor surface 40a, and a compressive load acts on the cushion member 23. The lock arm 22 firmly presses and engages the front striker 41 due to the reaction force due to the compressive load, thereby preventing the backlash of the front portion of the seat 10 during locking.

Further, when the rear portion of the seat is locked, the inclined surface 34a formed on the lock plate 34 of the rear connecting means 30 is pressed into engagement with the rear striker 42 so as to bite into the rear striker 42. Occurrence can be prevented.

Further, since the cushioning means is constituted by the cushion member 23, when the seat 10 is locked to the floor 40 in a seatable state, the effect of preventing backlash of the front portion of the seat 10 can be more accurately achieved.

[0043]

According to the first aspect of the present invention, when the seat is mounted on the floor in a seatable state, the lock arm of the front connecting means is automatically locked to the front striker and the buffer means is provided. Presses against the floor surface, and a compressive load acts on the buffer means. Due to the reaction force due to the compression load, the lock arm firmly presses and engages with the front striker, thereby preventing backlash of the seat front portion during locking.

According to the second aspect of the present invention, when the rear portion of the seat is locked, the inclined surface of the lock plate of the rear connecting means is pressed into engagement with the rear striker so as to bite into the rear striker. The occurrence of backlash can be prevented.

[Brief description of the drawings]

FIG. 1 is an explanatory front view of a vehicle seat shown as an embodiment of the present invention, as viewed from an outer side.

FIG. 2 is a plan view illustrating the vehicle seat, in which a plurality of vehicle seats are provided in the vehicle.

FIG. 3 is an explanatory front view showing a front connecting means of the vehicle seat.

FIG. 4 is an explanatory view of the operation of the front connecting means of the vehicle seat.

FIG. 5 is an explanatory view of the operation of the front connecting means of the vehicle seat.

FIG. 6 is an explanatory view of the operation of the front connecting means of the vehicle seat.

FIG. 7 is an explanatory front view showing a rear connecting means of the vehicle seat.

FIG. 8 is an explanatory view of the operation of the rear connecting means of the vehicle seat.

FIG. 9 is a view showing the vehicle seat, and is an explanatory front view showing the seatback standing up from the outer side.

FIG. 10 is a diagram showing the vehicle seat, and is an explanatory front view from the outer side showing a state in which a seat back is folded down on a seat cushion.

FIG. 11 is a diagram showing the vehicle seat, and is an explanatory front view illustrating the standing state of the vehicle seat as viewed from the outer side.

FIG. 12 is an explanatory side view showing a rear connecting means of the vehicle seat.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Vehicle seat 20 Front connection means 21 Seat rotation arm 22 Lock arm 23 Buffering means (cushion member) 30 Rear connection means 31 Main body 32 Engaging member 33 Slide plate 34 Lock plate 34a Inclined surface 40 Body floor 40a Floor surface 41 Front striker 42 Rear striker

Claims (2)

[Claims] 1. A vehicle seat configured to be detachably attached to a floor side of a vehicle body via a front connecting means disposed in a lower front part of a seat and a rear connecting means disposed in a lower rear part of the seat. The front connecting means has a seat rotating arm that engages with a front striker provided on the floor side, and a lock arm that is rotatably mounted on the seat rotating arm. When the cushioning means is mounted on the floor side of the lock arm and the seat is mounted on the floor side in a state where the seat can be seated, the lock arm is automatically operated and locked to the front striker, and the cushioning means is mounted on the floor. A seat for a vehicle, wherein the seat is pressed against a surface and has an effect of preventing backlash when locked. 2. The rear connecting means includes an engaging member rotatably mounted on a main body and engaging with a rear striker provided on a floor side, and setting the engaging member to a locked state and an unlocked state. And a lock plate provided integrally with the slide plate, and an inclined surface inclined in the unlocking direction is formed on the rear striker side of the lock plate to provide a play preventing effect at the time of locking. 2. The structure as claimed in claim 1, wherein:
The vehicle seat according to the above.