JP2002301970A - Fixing device of jump-up seat for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate installation. SOLUTION: In this fixing device of a jump-up seat for a vehicle, two pieces of strikers 11 fixed on the car body side and latch mechanisms provided on the seat side, and having latches to be engaged with the strikers are mounted on the front and rear sides, two pieces of the front side striker 11a and the rear side striker 11b are respectively mounted on mounting plates 40 in the longitudinal direction in a temporarily fixed state and fixing them with these mounting plates 40 on the floor surface 5 of a car body. The jump-up type seat 1 for the vehicle has a laterally directed seat 2 allowing sitting and a back-rest seat 3 raised against the seat 2. The seat 1 can be set longitudinally in relation to a floor 5 by turning the lateral axis keeping the seat 2 and the back-rest seat 3 flat.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing device for holding and fixing a vehicle seat called a flip-up seat in a seating use state.

[0002]

2. Description of the Related Art Conventionally, a seat has a seat that can be seated in a lateral direction and a backrest seat that stands upright on the seat.
In a vehicle seat in which the seat seat and the backrest seat are flattened into a single plate and rotated horizontally to be placed vertically with respect to the floor, a striker fixed to the vehicle body and the striker are engaged. A configuration including a latch and a latch mechanism provided on a seat side is known. Although not conventionally known,
Japanese Patent Application No. 2000-363294 filed in Japanese Patent Application Laid-Open No. 2000-363294 discloses a flip-up vehicle seat in which a striker fixed to a vehicle body side and a latch mechanism provided on the seat side and having a latch that engages with the striker are disposed in front and rear, respectively. Have been proposed.

[0003]

In the above-mentioned known example, since only one latch mechanism is provided, there is a problem with respect to load and impact. Further, the prior art has a problem that the work is troublesome because two strikers are attached. However, if it is devised, fixing is ensured, operability is improved, and mounting becomes easy.

[0004]

An object of the present invention is to secure and hold a vehicle seat in a seated state, to simplify the configuration, to improve operability, and to facilitate installation.

[0005]

SUMMARY OF THE INVENTION The present invention comprises a seat 2 which can be seated in a lateral direction and a backrest seat 3 standing upright with respect to the seat 2. In the vehicle seat 1 which can be flipped up and turned upside down with respect to the floor surface 5 by rotating the horizontal axis while keeping it flat,
A striker 11 fixed to the vehicle body and a latch mechanism having a latch that engages with the striker 11 provided on the seat side are respectively arranged in front and rear two places, and the two front strikers 11a and the rear striker 11b are respectively arranged. The seat is temporarily fixed to the mounting plate 40 in the front-rear direction, and the mounting plate 40 is fixed to the floor surface 5 of the vehicle body as a fixing device for a flip-up vehicle seat. In the present invention, the front striker 11a and the rear striker 11b are fixed devices for a flip-up vehicle seat having different shapes. The present invention relates to the front striker 11a.
A vertical mounting hole 44 is formed in each of the rear striker 11b and the rear striker 11b, and a bolt 45 is inserted into the mounting hole 44 to provide a fixing device for a flip-up vehicle seat. In the present invention, the mounting plate 40 is formed to be long in the front-rear direction by a plate member, and a concave plate portion 46 is formed in the center thereof, which is recessed downward in the front-rear direction and the front striker 11a has a concave plate portion 46. The rear part of the mounting plate 40 is formed in a forked part 47, and the rear striker 11b is attached to the forked part 47.
This is a device for fixing a flip-up vehicle seat attached to the vehicle.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings.
Reference numeral 1 denotes a vehicle seat having a seat 2 and a backrest seat 3. The backrest seat 3 is attached to the seat 2 via a reclining device 4 so as to be able to freely adjust a tilt angle including a horizontal state. The vehicle seat 1 is centered on the horizontal axis 6 in the front-rear direction so that the seat seat 2 and the backrest seat 3 are in the vertical direction (parallel to the running direction) with respect to the floor surface 5 of the vehicle body from the seatable state. The seat 8 is configured so as to be freely rotatable, so as to be capable of changing the form of a so-called flip-up seat (flip-up state), and a leg 8 for supporting the seat 2 is provided on the side opposite to the horizontal axis 6 of the seat 2. A fixing device 1 for fixing the vehicle seat 1 in a seated state between the leg portion 8 and the floor surface 5.
0 is provided.

[0007] The fixing device 10 is constituted by arranging two front and rear latch mechanisms each including a striker 11 provided on the floor 5 on the vehicle body side and a latch (not shown) for engaging and fixing the striker 11. I do. In addition, the front and rear side latch mechanism 12,
Reference numeral 13 may be an arbitrary structure having a ratchet or the like for holding the latch and the striker 11 in a fixed state. The front latch mechanism 12 and the rear latch mechanism 13 are provided with front and rear open levers 15 and 16 for releasing the fixed state between the latch and the striker 11, respectively. The front open lever 15 and the rear open lever 16 are The operation lever 1 is configured to be operable by one operation lever 17.
An operation transmission mechanism 18 is provided between the front latch 7 and the front open lever 15 and the rear open lever 16. The operation transmission mechanism 18 releases the fixed state of one of the front latch mechanism 12 and the rear latch mechanism 13. The other fixed state is released.

Reference numeral 20 denotes a front cover plate of the front latch mechanism 12. The front open lever 15 projects rearward from the front cover plate 20, and the front open lever 15 is provided movably in the front-rear direction. The front end of the front open lever 15 is attached to a lower part of the intermediate transmission member 21. The intermediate transmission member 21 is formed in an up-down arm shape, and the upper and lower intermediate portions thereof are rotatably mounted on the leg frame 23 of the leg 8 by the intermediate transmission member mounting shaft 22. The base of the operation lever 17 is attached to the upper part of the intermediate transmission member 21, and when the operation lever 17 is pulled forward, the intermediate transmission member 2
1 rotates and pulls the front open lever 15 to release the engagement between the latch of the front latch mechanism 12 and the striker 11.

The front end of a rod 24 is attached to the intermediate transmission member 21, the rear end of the rod 24 is attached to a rear open lever 16, and the rear open lever 16 is connected to a rear cover mechanism 13 by a shaft 25. It is rotatably mounted on the plate 26. In this case, the front end of the rod 24 is attached to the intermediate transmission member 21 at a portion closer to the intermediate transmission member mounting shaft 22 than the front open lever 15, and the radius of the arc centered on the intermediate transmission member mounting shaft 22 is reduced. The opening timing of the latch between the front latch mechanism 12 and the rear latch mechanism 13 is shifted. Also in this configuration, the front latch mechanism 12 and the rear latch mechanism 1 are set by setting the strokes of the front open lever 15 and the rear open lever 16.
It is possible to arbitrarily set which of 3 is to be opened first.

Reference numeral 30 denotes a spring for urging the intermediate transmission member 21 in the anti-opening direction, 31 denotes a guide body of a projection provided on the intermediate transmission member 21, 32 denotes a guide groove, and the guide body 31 and the guide groove 32 provide intermediate transmission. A stopper for stopping the rotation of the member 21 is also used. 33 is a striker entry groove formed in the front cover plate 20 and the rear cover plate 26.

FIGS. 4 and 5 show a second embodiment, in which the intermediate transmission member 21 includes a lower arm 34 and an upper arm 3.
5, the front open lever 15 is attached to the lower arm portion 34, and the rod 24 (the rear open lever 16) is attached to the upper arm portion 35, respectively.
An integral rotation spring 36 is provided between the upper arm 35 and the upper arm 35 to urge the two together. When the operating lever 17 is pulled forward, the lower arm 34 and the upper arm 35 are integrally rotated. When the front open lever 15 is pulled by the moving spring 36 and the operation lever 17 is further pulled forward, the upper arm 35 is rotated against the elasticity of the spring 36 and the rod is rotated. 24 is pulled to rotate the rear open lever 16. Thus, the front latch mechanism 12 and the rear latch mechanism 1 of the fixing device 10
3 is engaged with the front striker 11a.
And a rear striker 11b. The front striker 11a and the rear rear striker 11b are temporarily attached to the mounting plate 40 in the front-rear direction, respectively, and are fixed together with the mounting plate 40 to the floor 5 of the vehicle body. Therefore, management and attachment of the two strikers 11 are facilitated.

The front striker 11a and the rear striker 11b are formed in a downward U-shape by a lateral engaging portion 41 and arms 42 at both ends of the engaging portion 41, respectively. Mounting portions 43 projecting toward
3 has a vertical mounting hole 44 formed therein, and a bolt 4
5 and insert it. The mounting plate 40
Is formed long in the front-rear direction, and a concave plate portion 46 is formed in the center thereof and is recessed downward in the front-rear direction.
1a is attached to both sides of the mounting plate 40 across the concave plate portion 46, and both right and left ends of the rear striker 11b are attached to forked portions 47 provided at the rear of the mounting plate 40, respectively. The means for temporarily fixing the front striker 11a and the rear striker 11b is optional, but the bolt 45 is screwed into a washer 49 having a cut in the inner periphery of an insertion hole 48 called a so-called twist washer. It is simple and suitable for lower cost. Reference numeral 50 denotes a light-weight window hole.

[0013]

The seat 2 and the backrest seat 3 in the above-described configuration, which can be seated, are placed flat on the seat 2 by the reclining device 4 and then provided on the leg 8. When the operating lever 17 of the fixing device 10 is operated to release the engagement between the latch and the striker 11,
The vehicle seat 1 is movable with respect to the floor surface 5 and flips up in the vertical direction, and is fixed in this state by any means. In the case described above, the fixing device 10 is configured by arranging two latch mechanisms each including a striker 11 provided on the floor 5 on the vehicle body side and a latch (not shown) for engaging and fixing the striker 11. Therefore, the seatable state is firmly maintained.

The two front and rear latch mechanisms 12, 13
Is provided with front and rear open levers 15 and 16 for releasing the fixed state of the latch and the striker 11, respectively. The front open lever 15 and the rear open lever 16 are configured to be operable by one operation lever 17. Since there,
The operation lever 17 sets the strikers 11 of the two front and rear latch mechanisms 12 and 13 in one motion in a free state, and does not reduce operability. An operation transmission mechanism 18 is provided between the operation lever 17 and the front open lever 15 and the rear open lever 16, and the operation transmission mechanism 18 is in a fixed state of one of the front latch mechanism 12 and the rear latch mechanism 13. Is released, and then the other fixed state is released, so that the opening operation is ensured.

The front open lever 15 of the front latch mechanism 12 is attached to an intermediate transmission member 21 which is rotatably provided on the leg 8 by an intermediate transmission member mounting shaft 22.
1, the base 24 of the operating lever 17 and the rod 24 and the front open lever 15 for operating the rear open lever 16 are arranged such that one of the rods 24 and the front open lever 15 is the center of rotation of the intermediate transmission member 21 (the mounting shaft 22). ), And the distance between the shafts is different, so that the front latch mechanism 1
The opening timing of each latch of the rear latch mechanism 13 and the rear latch mechanism 13 can be shifted with a simple configuration.

In the second embodiment shown in FIGS. 4 and 5, the intermediate transmission member 21 is divided into a lower arm portion 34 and an upper arm portion 35, and the lower arm portion 34 is provided with a front open lever 15.
The rod 24 (the rear open lever 16) is attached to the upper arm section 35, respectively, and an integral rotation spring 36 for urging the lower arm section 34 and the upper arm section 35 to rotate together is provided. Therefore, when the operation lever 17 is pulled forward, the lower arm portion 34 and the upper arm portion 35 are first integrally rotated by the integrally rotating spring 36, thereby pulling the front open lever 15. Operation lever 1
7 is pulled forward, the upper arm 35 is rotated against the elasticity of the integrally rotating spring 36 to pull the rod 24,
The rear open lever 16 is rotated. Although not a requirement of the present invention, the leg 8 is configured to be freely foldable with respect to the seat 2 so that the leg 8 is substantially parallel to the seat 2 when the vehicle seat 1 is flipped up. Fold in.

When the leg portion 8 is lifted in the cross direction with respect to the seat 2, and in this state, the fixing of the vehicle seat 1 is released and the vehicle seat 1 is rotated downward about the horizontal axis 6, The striker entry grooves 3 formed in the front cover plate 20 and the rear cover plate 26 of the front latch mechanism 12 and the rear latch mechanism 13 of the fixing device 10, respectively.
3, the striker 11 enters, the latch is engaged, and the seat 2 of the vehicle seat 1 is fixed to the normal seating position, and then the backrest seat 3 is raised by the reclining device 4. It is in a normal sitting state.

The striker 11 with which the front latch mechanism 12 and the rear latch mechanism 13 of the fixing device 10 are engaged includes a front striker 11a and a rear striker 11a.
b, the front striker 11a and the rear striker 11b are temporarily attached to the front and rear mounting plates 40, respectively, and are temporarily fixed together with the mounting plate 40 to the floor 5 of the vehicle body. Management and installation. In particular, the loads applied to the front striker 11a and the rear striker 11b are different. When the rear striker 11b is made to have a large diameter and the like, the front striker 11a and the rear striker 11b are previously attached to the mounting plate 40. Since it is mounted, misassembly can be prevented, and the mounting work is greatly facilitated.

Thus, the front striker 11a and the rear striker 11b are formed in a downward U-shape by the lateral engaging portion 41 and the arm portions 42 at both ends of the engaging portion 41, respectively.
A mounting portion 43 protruding laterally is connected to each arm portion 42, a vertical mounting hole 44 is formed in the mounting portion 43, and a bolt 45 is inserted through the mounting hole 44 for mounting.
a and the load applied to the rear side striker 11b is entirely deformed, thereby preventing breakage, and
Avoid falling off. That is, if the attachment portion 43 is fixed by means such as welding, the strength of this portion is increased, and the load may concentrate on the engagement portion 41 or the arm portion 42 and may be damaged. The whole is deformed so as to be twisted from this part, thereby preventing breakage.

Further, since the mounting plate 40 is formed to be long in the front-rear direction by a plate member and has a concave plate portion 46 which is recessed downward in the front-rear direction at the center thereof, the striker 11 is simply attached to the vehicle body. Improves mounting strength than when mounted. In particular, since the front striker 11a is attached to the left and right sides of the attachment plate 40 across the concave plate portion 46, when the load for rotating the vehicle seat 1 forward around the rear striker 11b is applied, it is strong. To support. Also,
Since the left and right mounting portions 43 of the rear striker 11b are fixed to the forked portion 47 provided at the rear of the mounting plate 40, respectively, the mounting plate 40 below the rear striker 11b can be omitted to reduce the weight. .

Further, since the front striker 11a and the rear striker 11b are screwed from above with a washer 49 having a cut in an inner periphery of an insertion hole 48 called a "twist washer", a temporary fixing means is provided. The configuration is simple and the cost is low, which is preferable.

[0022]

The present invention comprises a seat 2 which can be seated in the lateral direction and a backrest seat 3 standing upright on the seat 2, and the seat 2 and the backrest seat 3 are kept flat. A vehicle seat 1 that can be flipped up horizontally with respect to a floor surface 5 by turning a horizontal axis, wherein a striker 11 fixed to a vehicle body side and the striker 1 provided on a seat side are provided.
1 and two latch mechanisms having latches to be engaged with each other are arranged in front and rear, respectively, and the two front strikers 11a and the rear strikers 11b are temporarily attached to the attachment plate 40 in the front-rear direction, respectively. Since the plate 40 is a fixing device for a flip-up vehicle seat fixed to the floor 5 of the vehicle body, the management and mounting of the two strikers 11 are facilitated. The present invention relates to the front striker 11
The rear striker a and the rear striker 11b are fixed devices for a flip-up vehicle seat having different shapes, so that the design and the degree of freedom are improved and no burden is imposed on management and mounting. The present invention relates to the front striker 11
Since a vertical mounting hole 44 is formed in each of the rear striker 11a and the rear striker 11b, and a bolt 45 is inserted through the mounting hole 44 to provide a fixing device for a flip-up vehicle seat.
Improve fixing strength. The present invention relates to the mounting plate 4.
0 is formed by a plate member to be long in the front-rear direction, and a concave plate portion 46 is formed in the center thereof and is recessed downward in the front-rear direction and the front striker 11a is attached across the concave plate portion 46. The rear portion of the fork 40 is formed in the forked portion 47, and the rear striker 11b is a fixing device for the flip-up vehicle seat attached to the forked portion 47, so that the weight can be reduced.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a state in which a sheet is flipped up.

FIG. 2 is a side view of a fixing device.

FIG. 3 is an exploded perspective view of the same.

FIG. 4 is a side view of a fixing device according to a second embodiment.

FIG. 5 is an exploded perspective view of the same.

FIG. 6 is a plan view showing a state where the camera is set on a mounting plate.

FIG. 7 is a perspective view of a state in which it is set on a mounting plate.

FIG. 8 is a front view of a front striker portion.

FIG. 9 is a front view of a rear striker portion.

FIG. 10 is a temporary fixing state diagram.

[Explanation of symbols]

1 ... vehicle seat, 2 ... seat seat, 3 ... back seat,
DESCRIPTION OF SYMBOLS 4 ... Reclining device, 5 ... Floor surface, 6 ... Horizontal axis, 8 ... Leg part, 10 ... Fixing device, 11 ... Striker, 12 ... Front latch mechanism, 13 ... Rear latch mechanism, 15 ... Front open lever, 16 ... Rear open lever, 17 operation lever, 18 operation transmission mechanism, 20 front cover plate,
21: Intermediate transmission member, 22: Intermediate transmission member mounting shaft, 23
... leg frame, 24 ... rod, 25 ... shaft, 26 ... rear cover plate, 30 ... spring, 31 ... guide body, 32 ...
Guide groove, 33: striker entry groove, 34: lower arm part, 35: upper arm part, 36: spring for integral rotation, 40
... Mounting plate, 41 engaging part, 42 arm part, 43 mounting part, 44 mounting hole, 45 bolt, 46 concave part, 4
7 ... bifurcated part, 48 ... insertion hole, 49 ... washer.

Claims (4)

[Claims] 1. A seat 2 which can be seated in a lateral direction and a backrest seat 3 standing upright with respect to the seat 2, and the horizontal axis is rotated while the seat 2 and the backrest seat 3 are kept flat. In the vehicle seat 1 that can be flipped up vertically with respect to the floor 5, a striker 11 fixed to the vehicle body side and a latch mechanism provided on the seat side and having a latch that engages with the striker 11 are provided. Two front strikers 11a and rear strikers 11b are temporarily attached to front and rear mounting plates 40, respectively, and are temporarily fixed to the front and rear mounting plates 40, respectively.
Fixing device for a flip-up vehicle seat fixed to the vehicle. 2. The flip-up vehicle seat fixing device according to claim 1, wherein the front striker 11a and the rear striker 11b have different shapes. 3. The flip-up device according to claim 1, wherein a vertical mounting hole is formed in each of the front striker 11a and the rear striker 11b, and a bolt 45 is inserted through the mounting hole 44. Fixing device for vehicle seat. 4. The method according to claim 1, 2 or 3.
In the above, the mounting plate 40 is formed to be long in the front-rear direction by a plate member, and a concave plate portion 46 that is recessed downward in the front-rear direction and is formed in the center thereof, and the front striker 11a straddles the concave plate portion 46 The rear part of the mounting plate 40 is formed in a forked part 47, and the rear striker 11b is mounted on the forked part 47.