JP2002166762A - Fixing device of flip-up seat for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure locking, simplify a structure, and improve operability. SOLUTION: In this fixing device of the flip-up seat 1 for a vehicle, two strikers 11 fixed to the car body side and two latch mechanisms disposed on the seat side and having a latch engaging with the striker 11 are arranged in the front and back parts, respectively, two front and back latch mechanisms 12 and 13 are operable by one operating lever 17, and the fixing state of one of the latch mechanisms 12 and 13 is released and then the fixing state of the other is released.

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.

[0003]

In the above-mentioned known example, since only one latch mechanism is provided, there is a problem with respect to load and impact. However, if devised, the fixing is ensured and the operability is improved.

[0004]

It is an object of the present invention to secure and hold a vehicle seat in a seated state, to simplify the structure, and to improve operability.

[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 back, and two front and rear side latch mechanisms 12 and 13 are one. A flip-up vehicle seat configured to be operable by the operation lever 17 and configured to release the fixed state of one of the two front and rear latch mechanisms 12 and 13 and then release the other fixed state. It is a fixing device. According to the present invention, the front open lever 15 and the rear open lever 16 that release the latches of the two front latch mechanisms 12 and the rear latch mechanism 13 include:
One of the fixed states is released and then the other is released from the fixed state. The operation transmission mechanism 18 is connected to the operation lever 17 through the operation transmission mechanism 18. The operation transmission mechanism 18 is turned by the operation lever 17 provided on the seat side. Moving intermediate transmission member 21
The rear open lever 16 and the front open lever 15
One is a device for fixing a flip-up vehicle seat attached to a portion closer to the center of rotation of the intermediate transmission member 21 as compared with the other. The present invention provides a front open lever 15 and a rear open lever 16 for releasing the latches of the two front latch mechanisms 12 and the rear latch mechanism 13.
Is connected to an operation lever 17 via an operation transmission mechanism 18 configured to release one of the fixed states and then release the other fixed state, and the operation transmission mechanism 18 is provided with an operation lever 17 provided on the seat side. Intermediate transmission member 2 rotated by
1 has a rear open lever 16 and a front open lever 15
The intermediate transmission member 21 is divided into a lower arm portion 34 and an upper arm portion 35, and is integrally formed between the lower arm portion 34 and the upper arm portion 35 so as to urge the two together. This is a device for fixing a flip-up vehicle seat provided with a turning spring 36.

[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 component 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 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 operation lever 17 is pulled forward and the operating lever 17 is further pulled forward, the upper arm portion 35 is rotated against the elasticity of the integrally rotating spring 36 so that the upper arm portion 35 is rotated. 24 is pulled to rotate the rear open lever 16.

[0012]

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 between 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, 13 in one motion in a free state, and does not lower the 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 mounted on an intermediate transmission member 21 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 the vehicle seat 1 is released from being fixed in the upward direction in this state, and 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, 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.

[0017]

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 that engage with each other are arranged in front and rear, respectively, and the two front and rear latch mechanisms 12, 13 are configured to be operable by one operation lever 17,
Since the fixing device of the flip-up vehicle seat is configured to release the fixed state of one of the two front and rear side latch mechanisms 12 and 13 and then release the other fixed state, it is reliable. To release the fixed state to improve operability. According to the present invention, the front open lever 15 and the rear open lever 16 that release the latches of the two front latch mechanisms 12 and the rear latch mechanism 13 release one of the fixed states and then release the other fixed state. The operation transmission mechanism 18 is connected to an operation lever 17 via an operation transmission mechanism 18 that is configured to be released. The operation transmission mechanism 18 is connected to an intermediate transmission member 21 that is rotated by the operation lever 17 provided on the seat side. Since the open lever 15 is a fixing device for a flip-up vehicle seat, one of which is attached to a portion closer to the rotation center of the intermediate transmission member 21 as compared with the other, the front latch mechanism 12 and the rear The opening timing of each latch of the side latch mechanism 13 can be shifted with a simple configuration. According to the present invention, the front open lever 15 and the rear open lever 16 that release the latches of the two front latch mechanisms 12 and the rear latch mechanism 13 release one of the fixed states and then release the other fixed state. The operation transmission mechanism 18 is connected to an operation lever 17 via an operation transmission mechanism 18 that is configured to be released.
The rear open lever 16 and the front open lever 15 are attached to the intermediate transmission member 21 which is rotated by the rotation of the lower arm portion 34 and the upper arm portion 35. A spring 3 for integrally rotating between the upper arm portions 35 so as to rotate the two together.
6, the front latch mechanism 12 and the rear latch mechanism 13 are provided.
Can be shifted with a simple configuration.

[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.

[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 portion, 35: upper arm portion, 36: spring for integral rotation.

Claims (3)

[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 and rear latch mechanisms 12 and 13 are configured to be operable by one operation lever 17, and one of the two front and rear latch mechanisms 12 and 13. A flip-up vehicle seat fixing device configured to release the other fixed state after releasing the fixed state. 2. The front open lever 15 and the rear open lever 16, which release the latches of the two front latch mechanisms 12 and the rear latch mechanism 13, release one of the fixed states. Later, the other fixed state is released through an operation transmission mechanism 18 which is connected to the operation lever 17. The operation transmission mechanism 18 is connected to the intermediate transmission member 21 which is rotated by the operation lever 17 provided on the seat side.
The rear open lever 16 and the front open lever 15
Either one is a device for fixing a flip-up vehicle seat attached to a portion closer to the center of rotation of the intermediate transmission member 21 than the other. 3. The front open lever 15 and the rear open lever 16, which release the latches of the two front latch mechanisms 12 and the rear latch mechanism 13, release one of the fixed states. The other fixed state is released later through an operation transmission mechanism 18 which is connected to an operation lever 17, and the operation transmission mechanism 18 is attached to an intermediate transmission member 21 which is rotated by the operation lever 17 provided on the seat side. The open lever 16 and the front open lever 15 are attached, the intermediate transmission member 21 is divided into a lower arm portion 34 and an upper arm portion 35, and the two are integrally turned between the lower arm portion 34 and the upper arm portion 35. A fixing device for a flip-up vehicle seat provided with an integral turning spring 36 for urging the seat to move.