JP2001253279A - Spring-up type seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily hold a sprung-up condition of a vehicular seat when a seat cushion is brought into the sprung-up condition, to reduce the number of part items, and to lighten weight. SOLUTION: A retractor 33 for winding a seat belt 31 is fixed to an upper part of a seatback 13. A tongue 35 attached to the seat belt 31 pulled out of the retractor 33 is locked to a buckle 37 provided in a seat cushion side to be used as a usual seat belt, and the tongue 35 attached to the seat belt 31 is locket to a buckle 41 provided in a front side part 16a of a floor panel 16 to hold the sprung-up condition by bringing the retractor 33 for winding the seal belt 31 into a locked condition with the seatback 13 turned down on the seta cushion 12 and with the seat cushion 12 sprung-up frontwards via a hinge part 23 located in a front side of a bottom of the seat cushion 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flip-up type seat. More specifically, the present invention relates to a flip-up type seat. More specifically, a seat back is lowered onto a seat cushion, and the seat cushion is moved forward through a front hinge on the bottom surface of the seat cushion. The present invention relates to a flip-up seat that jumps up.

[0002]

2. Description of the Related Art As shown in FIGS. 4 (a) and 4 (b), in an RV vehicle such as a wagon or a minivan, a rear vehicle seat 1 is designed to secure an effective space for a luggage compartment. Many of them adopt a flip-up structure. That is, as shown in FIG. 4 (a), in a flip-up type vehicle seat 1 installed on the rear seat side, a seat back 3 having a backrest function with respect to a seat cushion 2 on which an occupant sits is provided with a reclining device or the like. It is mounted so that it can be adjusted for tilting back and forth through a hinge 5 and the like.

A striker 7 as a rear lock is provided on a vehicle body 6 facing the rear side of the bottom surface of the seat cushion 2, and a lock member 8 locked by the striker 7 is provided at the rear of the bottom surface of the seat cushion 2. Is provided. As shown in FIG. 5, a hinge 9 and a bracket 10 are provided on the front side of the bottom surface of the vehicle body 6 and the seat cushion 2.
Are formed respectively. The hinge 9 is a bracket 1
0 is pivotally supported by a hinge pin 9a.

[0004] Therefore, as shown in FIG. 4 (a), the seat back 3 is dropped on the upper surface of the seat cushion 2,
As shown in FIG. 4B, the seat cushion 2 can be brought up by approximately 90 ° forward by the hinge portion 9. Further, the locking shaft 9b provided on the hinge portion 9 is locked on the locking portion 10a provided on the bracket 10, so that the vehicle seat 1 is held up and the space such as the luggage compartment is effectively secured. Can be.

[0005]

However, as shown in FIG. 4 (b), the conventional flip-up type vehicle seat 1 has the hinge portion 9 when the seat cushion 2 is flipped forward. Since the upright state of the cushion 2 is supported, a strong bracket 10 and a locking shaft 9b are required to maintain the upright state, and the number of parts increases, the weight increases, and the cost increases. there were. There was a drawback that it was not possible to easily maintain the jumping-up state of the jumping-type vehicle seat 1.

An object of the present invention is to make it possible to easily hold a vehicle seat in a jumping state when the seat cushion is in a jumping state, to reduce the number of parts, and to reduce the weight. The object of the present invention is to provide a flip-up seat that is excellent in economy.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and a flip-up seat according to the first aspect of the present invention is such that a seat back is dropped on a seat cushion, The retractable retractor for retracting the seat belt is fixed to the upper part of the seat back, and attached to the seat belt pulled out from the retractor, in the flip-up seat in which the seat cushion is flipped forward through the front hinge portion of the bottom surface of the seat. The tongue can be locked to the buckle provided on the seat cushion side and used as a normal seat belt, and the seat back can be folded down onto the seat cushion, and the seat can be seated through the front hinge at the bottom of the seat cushion. The seat belt of the retractor for retracting the seat belt in a state where the cushion is jumped forward. The attached tongue, characterized in that configured so as to be able to hold the drive-up state engaged with the buckle provided on the vehicle body body below the seat cushion.

According to the flip-up seat according to the first aspect of the present invention, the retractor for winding the seat belt is fixed to the upper portion of the seat back, and the tongue attached to the seat belt pulled out from the retractor is seat cushioned. It can be used as a normal seat belt by locking to the buckle provided on the side, and the seat back is folded down on the seat cushion, and the seat cushion is moved forward through the front hinge portion on the bottom surface of the seat cushion. In a state where the seat belt is retracted, the tongue attached to the seat belt of the retractor for retracting the seat belt can be engaged with a buckle provided on a vehicle body below the seat cushion so as to maintain the jumping state. It is possible to easily hold the jumping up state using the seat back seat belt Reduces the number of components, it is possible to reduce the weight of the weight.

In the flip-up type seat according to the second aspect of the present invention, the seat back is tilted down on the seat cushion, and the seat cushion is jumped forward through the front hinge portion on the bottom surface of the seat cushion. In the sheet,
The seat back includes a center seat back, and a retractor for retracting the seat belt is fixed to an upper portion of the center seat back, and a tongue attached to the seat belt pulled out from the retractor is related to a buckle provided on the seat cushion side. It can be stopped and used as a normal seat belt, and the seat belt is locked by reversing the retractor, the center seat back is fallen on the seat cushion, and the bottom of the seat cushion is The tongue attached to the seat belt of the retractor for retracting the seat belt is engaged with a buckle provided on the vehicle body body below the seat cushion in a state where the seat cushion is jumped forward through the front hinge portion. To be able to hold up Characterized in that it is.

According to the flip-up seat according to the second aspect of the present invention, the seat back comprises a center seat back, and a retractor for winding a seat belt is fixed to an upper portion of the center seat back, and is pulled out from the retractor. The tongue attached to the seat belt is locked to a buckle provided on the seat cushion side so that it can be used as a normal seat belt, and the seat belt is locked by reversing the retractor. The center seat back is lowered onto the seat cushion, and is attached to the seat belt of the retractor for retracting the seat belt in a state where the seat cushion is flipped forward through the front hinge portion on the bottom surface of the seat cushion. Tongue on the body below the seat cushion The buckle is locked so that the buckle can be held up, so that the buckle can be easily held up using the seat belt of the seat back, reducing the number of parts and reducing the weight. Can be reduced in weight.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a flip-up seat according to the present invention will be described below with reference to the drawings. 1 (a) and 1 (b) to 3 (a) and 3 (b) show an embodiment of a flip-up seat 11 according to the present invention, respectively.
1 (a) and 1 (b) show a seated state of an occupant of the flip-up seat 11, FIGS. 2 (a) and 2 (b) show a state where the seat back 13 of the flip-up seat 11 is tilted forward, and FIG. Formula sheet 1
1 shows a jumping state.

The flip-up type seat 11 includes a seat cushion 12 provided on a floor panel 16 as a vehicle body body, on which an occupant sits, and a seat back 13 having a backrest function with respect to the seat cushion 12. I have. The seat back 13 is provided so as to be tiltable back and forth by a reclining device or a hinge portion 15.

The flip-up seat 11 is installed on an RV car such as a wagon car or a minivan, etc., as shown in FIG.
As shown in FIG. 2B, the space such as the luggage room is effectively secured by setting the vehicle in the jumping state. A rear lock 21 is provided on a floor panel 16 as a vehicle body facing the rear side of the bottom surface of the seat cushion 12,
The rear lock 21 is formed from a striker or the like.

A hinge portion 23 is provided on the front side of the bottom surface of the seat cushion 12. A rear lock member 25 locked and locked by the rear lock 21 is provided on the rear side of the bottom surface of the seat cushion 12.

The seat back 1 of the flip-up type seat 11
The retractor 33 for winding up the seat belt 31 is fixed to the upper part of the center seat back 13a of the third, and the tongue 35 attached to the seat belt 31 pulled out from the retractor 33 is engaged with a buckle 37 provided on the seat cushion 12 side. The seat belt 31 can be stopped and used as a seat belt 31 for a seated person in a central seat when a normal three person seats.

The retractor 33 comprises a retractor 33 having an angle detecting function, and the seat belt 31 is locked when the retractor 33 is inverted.

FIG. 2 shows the center seat back 13a.
As shown in FIGS. 3A and 3B, the seat cushion 12 is folded down onto the seat cushion 12, and as shown in FIGS. 3A and 3B, the seat cushion 12 is moved through the front hinge portion 23 on the bottom surface of the seat cushion 12. The seat belt 31 of the retractor 33 for winding up the seat belt 31 in a state where the seat belt 31 is flipped forward.
The tongue 35 attached to the seat cushion 12
By engaging with a jumping buckle 41 provided on a front side portion 16a of a floor panel 16 as a body body below the seat body, the jumping-up seat 11 can be held in a jumping state.

Since the retractor 33 includes a retractor 33 having an angle detecting function, the center seat back 13 can be lifted forward with the seat cushion 12 raised.
a is in an inverted state, and the retractor 33 can lock the seat belt 31 in this inverted state.
Since the retractor 33 having the angle detecting function is conventionally known, a detailed description thereof will be omitted.

[0019]

The above is the embodiment of the flip-up seat according to the present invention. According to the flip-up seat according to the first aspect of the present invention, the seat belt is wound on the upper portion of the seat back. The tongue attached to the seat belt pulled out from the retractor is locked to the buckle provided on the seat cushion side so that the seat back can be used as a normal seat belt, and the seat back can be placed on the seat cushion. The tongue attached to the seat belt of the retractor for retracting the seat belt in a state where the seat cushion is flipped forward and the seat cushion is flipped forward through a front hinge portion on the bottom surface of the seat cushion, and the vehicle body below the seat cushion. The buckle provided in the seat can be held up by holding it up. The use of a seat belt can hold the drive-up state in a simple and reduces the number of components, it is possible to reduce the weight of the weight.

Further, according to the flip-up seat according to the second aspect of the present invention, the seat back comprises a center seat back, and a retractor for winding up the seat belt is fixed to an upper portion of the center seat back. The tongue attached to the seat belt pulled out from the seat cushion can be locked to a buckle provided on the seat cushion side to be used as a normal seat belt, and the seat belt is locked by reversing the retractor. The center seat back is lowered onto the seat cushion, and the seat cushion is retracted forward through the front hinge portion of the bottom surface of the seat cushion. Attach the attached tongue to the vehicle body below the seat cushion. It is designed to be able to hold the jumped-up state by locking it to the buckle provided on the seat, so it is possible to easily hold the jumped-up state using the seat back seat belt and reduce the number of parts And the weight can be reduced.

According to the present invention, when the seat cushion is in the jumping state, the jumping state of the vehicle seat can be easily held, the number of parts can be reduced, and the weight can be reduced. It is possible to obtain a flip-up type sheet which is excellent in economy.

[Brief description of the drawings]

1A and 1B show a state in which a flip-up seat according to the present invention is seated, wherein FIG. 1A is a front view and FIG. 1B is a side view.

FIG. 2 shows a state in which the seat back of the flip-up type seat according to the present invention is dropped on a seat cushion;
(A) is a front view, (b) is a side view.

FIGS. 3A and 3B show a state in which a flip-up sheet according to the present invention is flipped up, wherein FIG. 3A is a front view and FIG. 3B is a side view.

4A and 4B show a conventional flip-up type seat, in which FIG. 4A is a side view showing a state in which a seat back is lowered onto a seat cushion, and FIG. 4B is a side view showing a flip-up state.

FIG. 5 is a perspective view of a bracket of a conventional flip-up seat.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Jump-up type seat 12 Seat cushion 13 Seat back 13a Center seat back 15 Hinge part 16 Floor panel 16a Front side part 21 Rear side lock 23 Hinge part 25 Rear lock member 31 Seat belt 33 Retractor for winding up 35 Tongue 37 Buckle 41 Jump up buckle

Claims (2)

[Claims] 1. A flip-up seat in which a seat back is lowered onto a seat cushion and the seat cushion is jumped forward through a front hinge portion on a bottom surface of the seat cushion, wherein a seat belt is wound around an upper portion of the seat back. The take-back retractor is fixed, the tongue attached to the seat belt pulled out from the retractor is locked to the buckle provided on the seat cushion side, and the seat back can be used as a normal seat belt, and the seat back can be placed on the seat cushion. The tongue attached to the seat belt of the retractor for retracting the seat belt in a state in which the seat cushion is flipped forward through a hinge portion on the front side of the bottom surface of the seat cushion, Locked to the buckle provided on the body and jumped up Drive-up seat, characterized in that is configured so as to be able to hold. 2. A flip-up seat in which a seat back is lowered onto a seat cushion and the seat cushion is jumped forward through a front hinge portion on a bottom surface of the seat cushion, wherein the seat back comprises a center seat back, A retractor for winding the seat belt is fixed to the upper part of the center seat back, and a tongue attached to the seat belt pulled out from the retractor is locked to a buckle provided on the seat cushion side to be used as a normal seat belt. The seat belt can be locked by inverting the retractor, and the center seat back can be fallen onto the seat cushion, and the seat cushion can be moved through the front hinge portion on the bottom surface of the seat cushion. With the seat raised forward, The tongue attached to the seat belt of the retractor for retracting the belt is engaged with a buckle provided on the vehicle body below the seat cushion so as to be able to maintain a jumping state. Jump-up seat.