JPH11278126A - Kick up type seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To protect a loaded cargo and a kick up type seat installed in a one box car without falling down on a cargo room side in a kick up condition. SOLUTION: This seat is constituted in such a way that a stopper block 20 is stored in a recessed part 15 provided on a front fringe side of a bottom face of a seat cushion 11 and is energized by a spring in the direction of protrusion at all times and a lock tooth is engaged and fixed in a lock hole 24b, etc., of the stopper block 20 in respective conditions in which the stopper block 20 is stored and protrudes. Consequently, the stopper block 20 is held in conditions in which it is stored and protrudes. Further, a lock release knob 33 releasing the engagement of the stopper block 20 and the lock tooth is provided, and a lock and unlock mechanism of the stopper block 20 is provided.

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. The present invention relates to a flip-up seat configured to form a luggage compartment space in a vehicle cabin by performing a flip-up operation forward.

[0002]

2. Description of the Related Art As shown in FIG.
In many cases, the rear vehicle seat 2 employs a flip-up structure so as to secure an effective space for the luggage compartment R. That is, as shown in FIG. 10, the flip-up vehicle seat 2 installed on the rear seat side is provided with a seat back 4 having a backrest function with respect to a seat cushion 3 on which an occupant sits via a reclining device (not shown). The seat back 4 is lowered onto the upper surface of the seat cushion 2 and the seat cushion 3 is raised upward by approximately 90 ° to effectively secure the luggage compartment R space. Like that. Therefore, the hinge member 6 is provided between the floor cushion 5 and the front edge of the bottom surface of the seat cushion 3 of the vehicle seat 2.

[0003]

However, in the upright state of the conventional flip-up type vehicle seat 2 shown in FIG. 10, the upright state of the seat cushion 3 is supported by the hinge member 6. 10 When the force in the direction of the arrow is applied, the seat cushion 3 returns to its original position, and the luggage loaded in the luggage compartment R may be damaged, and when it hits an occupant, it may cause injury. Because it may also reduce the durability of the vehicle seat 2,
There has been an urgent need to reliably and firmly hold the jumping-up vehicle seat 2 in a jumping state.

[0004] It is an object of the present invention to prevent the seat from falling into the luggage compartment side when the seat cushion is in the jumping up condition due to sudden start, sudden stop, sudden steering, etc. It is intended to provide a flip-up type sheet which can improve the protection and durability of the sheet.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and the present invention is directed to a method of folding a seat back onto a seat cushion, and seating the seat back through a hinge at a front edge of a bottom surface of the seat cushion. In a flip-up seat in which a cushion is lifted forward to form a luggage space in a vehicle cabin, a stopper block always projects in a recess provided at a front edge of a bottom surface of the seat cushion by a spring. The stopper block is engaged with the stopper block at the storage position and the projecting position of the stopper block, and the lock tooth that locks the stopper block and the engagement between the stopper block and the lock tooth are engaged. Lock / unlock machine for stopper block composed of unlocking knob to be unlocked Wherein the but has been installed.

As is apparent from the flip-up seat of the present invention, a recess is provided on the front edge side of the bottom surface of the seat cushion,
A stopper block is housed in the recess, and the stopper block is urged by a spring in a protruding direction, and a lock tooth is provided so that the stopper block can be locked in the housed state of the stopper block and in the protruding state. An operation knob is provided in a direction in which the spring is biased in a direction engaging with the lock hole of the block and the engagement of the lock tooth is released.

Therefore, in a normal state, that is, in a state in which an occupant whose bottom surface of the seat cushion is located on the floor panel surface can be seated, the stopper block housed in the recess of the seat cushion is housed by the lock tooth. Is held.

When the seat back is lowered onto the seat cushion, the seat cushion is flipped forward, and the lock release knob is operated, the engagement between the stopper block and the lock tooth is released, and the stopper block is spring-loaded. When the stopper block comes into contact with the floor panel and the stopper block is in the protruding state, if you release the lock release knob, the lock tooth engages with the stopper block due to the spring force and the stopper The block can be locked in the protruding state, and the seat cushion can be securely held by the stopper block.

Further, in order to return from the raised state to the original position, the seat cushion is tilted down to the floor surface side with the lock tooth disengaged from the stopper block by operating the lock release knob, and then locked. When the release knob is released, the stopper block can be locked and fixed by the lock tooth while the stopper block is stored.

[0010]

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. FIG. 1 is a side view showing an occupant seated state of a jumping-up seat according to the present invention, FIG. 2 is a side view showing a state of the jumping-up seat at the time of jumping up, and FIG. 3 is a stopper operation of the jumping-up seat. 4 and 5 are perspective views each showing a lock structure of a stopper block used in the flip-up seat according to the present invention, and FIGS. 6 and 7 are lock operations of the stopper block. FIG. 8 is an explanatory view showing a locked state when the flip-up type seat is lifted up.

In FIG. 1 and FIG.
Numeral 0 designates a seat cushion 11 on which an occupant is mounted on the floor panel 5 and a seat back 12 having a backrest function with respect to the seat cushion 11. The flip-up type seat 10 is installed in a one-box car or the like, and is set in a flip-up state, so that the luggage compartment R
FIG. 1 shows a seated state of an occupant, and FIG. 2 shows a jumping state of the occupant.
Is provided with a stopper block 20 that can firmly support.

The structure of the seat cushion 11 and the stopper block 20 will be described below in detail with reference to FIGS. First, the seat cushion 11 is provided with hinge members 6 on the left and right sides of the front edge of the bottom surface, and is rotatably attached to the floor panel 5 of the vehicle via the hinge members 6. A latch claw 7 is formed on the bottom surface of the vehicle, and the latch claw 7 is engaged with a striker 8 of the floor panel 5 to lock the seat cushion 11 in an occupant sitting state shown in FIG. Since the release mechanism of the latch claw 7 is not a main part of the present invention, it is omitted here.

Next, the structure of a stopper block 20 provided on the bottom surface of the seat cushion 11 will be described. As shown in FIG. 4, support pins 21 projecting outwardly on both sides of the stopper block 20 are provided. The support pin 21 is rotatably supported in the bearing portion 13. A spring 22 as a spring is wound around the support pin 21, and one end of the spring 22 is connected to the stopper block 2.
0 and the spring 2
Since the other end of 2 is locked by the locking portion 14 on the side of the seat cushion 11, the stopper block 20 is always spring-biased in the protruding direction.

The stopper block 20 is provided with a recess 1 provided at the center of the front edge of the seat cushion 11.
5 is housed in a state of being biased by a spring in the protruding direction described above. Further, the stopper block 20 is provided with a lock / unlock mechanism. That is,
A lock tooth 30 is provided inside the seat cushion 11. The lock tooth 30 is fixed to the inner surface of the seat cushion 11 so that the lock tooth 30 can be faithfully moved toward and away from the stopper block 20.
1 guides it vertically movably in the direction of the arrow in FIG.

As shown in FIG. 6, an unlocking knob 33 is attached to the tip of an elongated rod 32 connected to the lock tooth 30. The lock tooth 30 is directed toward the stopper block 20 by a spring 34. Spring biased. Therefore, the lock tooth 30 is urged in the locking direction by the spring 34,
When the lock release knob 33 is pulled up, the lock is released against the spring force of the spring 34.

Further, the relationship between the stopper block 20 and the lock tooth 30 is such that lock holes 24a and 24b (lock holes 24a when projecting and lock holes 24b when storing) are provided in the stopper block 20, as shown in FIG. A groove 25 is formed so as to connect both lock holes 24a and 24b.

Therefore, the stopper block 2 shown in FIG.
In the 0 protruding state, the tip of the lock tooth 30 fits into the lock hole 24a on one side to lock the protruding state of the stopper block 20 and, as shown in FIG. If the tip of the lock tooth 30 is fitted, the lock block 30 is locked and held with the stopper block 20 housed inside the seat cushion 11. Further, each lock state can be released by operating the lock release knob 33.

The flip-up seat 10 according to the present invention employs the lock / unlock mechanism of the stopper block 20 described above. Next, the flip-up operation of the flip-up seat 10 will be described. In order to secure the space of the luggage compartment R in the passenger compartment, the flip-up seat 10 is operated to jump up by moving the seat back 12 forward on the seat cushion 11 and then moving the seat cushion 11 against the striker 8 of the floor panel 5. Of the latch pawl 7 is released.
Thereafter, the seat cushion 11 is flipped forward by the hinge members 6 on the front left and right sides of the bottom surface of the seat cushion 11.

At this time, the stopper block 20 is
As shown in (1), the lock tooth 30 has entered the lock hole 24b during storage, and the stopper block 20 is stored inside the seat cushion 11.

When the lock release knob 33 is pulled upward, the lock tooth 30 penetrating into the lock hole 24b of the stopper block 20 is pulled up, and the engagement between the stopper block 20 and the lock tooth 30 is released. The stopper block 20 protrudes outward from the recess 15 by the spring force of the spring 22, and reaches the state shown in FIGS. 7 and 8, and the panel contact surface 26 of the stopper block 20 contacts the floor panel 5. Then, if the user releases the lock release knob 33 in this state, the spring 34
The lock tooth 30 penetrates into the lock hole 24a when the stopper block 20 protrudes due to the spring force described above, so that the lock can be held in this state.

Accordingly, when the flip-up type seat 10 shown in FIGS.
0 allows the seat cushion 11 to be held firmly, and the seat 1 is in a state of jumping up due to sudden start, sudden stop, sudden steering wheel, etc.
0 does not fall into the luggage compartment, the loaded luggage and the seat 10 itself are not damaged, and there is no danger of falling into an occupant in the luggage compartment and causing injuries. And the sheet 10 is not damaged, and the safety is excellent. In addition, since the stopper block 20 is normally stored on the seat cushion 11 side, the space efficiency is excellent and the appearance is also preferable.

In order to return from the state shown in FIGS. 7 and 8 to the seating state, the lock release knob 33 is pulled upward, the lock tooth 30 is removed from the lock hole 24a at the time of projection, and the stopper block 20 and the lock tooth 30 are connected. When the seat cushion 11 is tilted toward the floor panel 5 after the engagement of the stopper block 20 is released, the stopper block 20
The panel abutment surface 26 is pressed and naturally stored in the seat cushion 11, and the seat cushion 1
When the tilting operation of 1 is completed and the hand is released from the lock release knob 33, the lock tooth 30 is locked when the lock hole 24b is stored.
Into the stopper block 20 and lock tooth 3
The stopper block 20 can be stored and locked in the seat cushion 11 by the action of engagement with zero.

[0023]

The above is the embodiment of the flip-up type seat according to the present invention. The flip-up type seat according to the present invention is provided with a recess at the front edge side of the bottom surface of the seat cushion, and a stopper block is provided in the recess. The stopper block is urged by a spring in a projecting direction, and a lock tooth is provided so that the stopper block can be locked in the retracted state and the projected state of the stopper block. The lock tooth is engaged with a lock hole of the stopper block. Since the operation knob is provided in the direction in which the spring is biased in the direction of attachment and the engagement of the lock tooth is released, the seat can be held by the stopper block abutting on the floor panel in a jumping state, so that the vehicle suddenly starts and stops. The seat does not fall into the luggage compartment due to sudden steering, etc. Without scratches occur, the attained is safe and reliable protection for mounting luggage such, it is capable of enhancing the durability of the sheet.

Further, when the stopper block is not used, since the stopper block is stored inside the seat cushion, the space efficiency between the seat cushion and the floor panel can be improved without intervening a separate stopper. In particular, when applied as a detachable seat, the appearance is improved because the stopper block is stored in the seat cushion.

[Brief description of the drawings]

FIG. 1 is a side view of a flip-up seat according to the present invention when an occupant is seated.

FIG. 2 is a side view showing a flip-up sheet according to the present invention in a jumping state.

FIG. 3 is a partially cutaway perspective view of a flip-up sheet according to the present invention in a jumped-up state before a stopper is operated.

FIG. 4 is an explanatory view showing a lock structure of a stopper block used for the flip-up seat according to the present invention.

FIG. 5 is an explanatory view showing a lock structure of a stopper block used for the flip-up seat according to the present invention.

FIG. 6 is a cross-sectional view illustrating a state where the stopper block of the flip-up sheet according to the present invention is stored.

FIG. 7 is a cross-sectional view illustrating a state in which a stopper block of the flip-up sheet according to the present invention is projected.

FIG. 8 is a perspective view showing a state in which a flip-up sheet according to the present invention jumps up.

FIG. 9 is a side view showing a conventional flip-up seat installed in a one-box car.

FIG. 10 is a side view showing a state in which a conventional flip-up sheet is jumped up.

[Explanation of symbols]

 Reference Signs List 5 floor panel 6 hinge member 7 latch claw 8 striker 10 flip-up seat 11 seat cushion 12 seat back 15 recess 20 stopper block 21 support pin 22 spring 24a lock hole 24b lock hole 25 groove 26 panel contact surface 30 lock tooth 31 lock tooth Guide 32 Rod 33 Lock release knob 34 Spring

Claims (1)

[Claims] 1. A luggage compartment space in a vehicle compartment is formed by lowering a seat back on a seat cushion and operating the seat cushion to move forward through a hinge at a front edge of a bottom surface of the seat cushion. In the flip-up type seat, the stopper block is stored and installed in a recess provided at the front edge of the bottom surface of the seat cushion so as to be protrudable while being constantly urged in the protruding direction by a spring. And a lock / unlock mechanism for the stopper block, which includes a lock tooth that engages with the stopper block at the projecting position and locks and holds the stopper block, and a lock release knob that releases the engagement between the stopper block and the lock tooth. A flip-up seat, characterized in that: