JPH068917Y2 - Vehicle seat device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a vehicle seat device, and more specifically,
The present invention relates to regulation of movement of a seat cushion that is slidable in the front-back direction of a vehicle body.

[Prior Art and Problem to be Solved by the Invention] A seat device for a vehicle includes, for example, a full-scale load shokai 60-124.
There is one disclosed in Japanese Patent No. 343 publication.

In this seat device, as shown in FIG. 7, a front seat 2 and a rear seat 3 are provided in respective seat backs 5, 10, respectively.
Both of them are so-called reclining which can be rotated in the front-rear direction of the vehicle body, a cushion body 12 is provided between these two seats, and the cushion body 12 can be slid rearward of the vehicle body.

That is, the front seat 2 is integrally connected to the cushion body 12 that is slid rearward by sliding the seat cushion 4 forward of the vehicle body and rotating the seat back 5 backward (reclining). Further, since the cushion body 12 is integrally connected to the seat cushion 9 of the rear seat 3 by the slide,
At this time, if the seat back 10 of the rear seat 3 is rotated backward (reclining), the front seat 2 and the rear seat 3 are integrated via the cushion body 12,
It becomes a so-called full flat sheet with a substantially flat surface.

However, in the seat device as described above, the seat cushion 4 may need to be slid greatly depending on the layout when making the seat flat,
Therefore, the forward protrusion of the seat cushion 4, that is, the overhang H may increase. However, in the case where the seat cushion 4 is locked at such an overhang position, it is necessary to secure rigidity that can withstand the load F applied to the front portion of the seat cushion 4 by the seating of an occupant, etc. The increase and increase in weight and cost due to the addition of reinforcement members and other problems associated with the upgrade have been problems.

Therefore, if the seat cushion 4 is always biased rearward by a spring or the like and is not locked at the foremost position where the overhang H is large, the seat cushion 4
It is not necessary to consider the seating of the occupant at the foremost position, and the reinforcement at the foremost position can be unnecessary.

However, in the above case, since the seat cushion 4 is biased rearward with a strong spring force during the full flat operation, the seat cushion 4 is pulled out to the foremost position and the rearward sliding is regulated. It is necessary to rotate the seat back 5 backward (reclining operation), and there is a problem that operability is extremely poor. Also,
When returning from the full-flat state to the standard state, the slide of the seat cushion 4 and the rotation of the seat back 5 are opposite movements at the same time, and thus careless operation may cause danger.

[Object of the Invention] The present invention has been made in view of the above-mentioned background, and provides a low-cost vehicle seat device which is easily improved in operability and which facilitates full-flat operation. To aim.

[Configuration of the Invention] To achieve the above object, a vehicle seat device according to the present invention includes a seat cushion that is attached to a vehicle body through a front-rear slide mechanism, and a seat back that is attached to the seat cushion through a reclining mechanism. A vehicle seat device, comprising seat holding means for temporarily holding the seat cushion at a predetermined position in front of the seat cushion when the seat cushion is slid forward by a predetermined amount, and the seat holding means retracts the seat cushion. And a movable stopper member that is movable between an acting position that blocks the seat cushion and a non-acting position that does not prevent the seat cushion from retreating, a spring member that urges the movable stopper member to always be in the non-acting position, and a movable stopper. A foot that is linked to a member and can move the movable stopper member from the non-acting position to the working position. The stepping operation member and the movable cushion member can hold the seat cushion at a predetermined position only when the stepping operation of the stepping operation member is performed.

According to the above structure, after the seat cushion is slid to the predetermined front position, the stepping operation member of the seat holding means is operated, whereby the movable stopper member prevents the seat cushion from retracting to the predetermined front position. It can be held temporarily, and full-flat operation becomes easy and its operability can be improved.

Embodiments of the Invention Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is an overall view showing a preferred embodiment of a vehicle seat device according to the present invention, in which (A) is a side view and (B) is a top view.

In this vehicle seat device, a bench-shaped front seat 2 and a rear seat 3 are arranged on a floor 1 of a vehicle compartment at a predetermined distance apart from each other.

The front seat 2 has a seat back 5 attached to a seat cushion 4 via a reclining mechanism 6, and the seat cushion 4 is attached to the floor 1 via a front / rear slide mechanism 7. That is, the seat back 5 is connected to the seat cushion 4 by the reclining mechanism 6 so as to be rotatable in the front-rear direction of the vehicle body, and is so-called reclining. The seat cushion 4 is slidably arranged in the front-rear direction of the vehicle body on the floor 1 by the front-rear slide mechanism 7, and
It is biased to the rear side of the vehicle body by a spring described later.
Further, a stopper mechanism 8 serving as a sheet holding means according to the present invention is provided on a side portion of the front-back slide mechanism 7.

The rear seat 3 includes a seat cushion 9 and a seat back 1.
0 is attached via a reclining mechanism 11, and its seat cushion 9 is fixed to a predetermined portion of the floor 1. That is, the seat back 10 is so-called reclining like the seat back 5 of the front seat 2 by the reclining mechanism 11.

In addition, the seat back 5 is rotated backward (reclining).
When the front seat 2 is flattened,
Since the seat cushion 4 is biased to the rear side of the vehicle body by the spring described later, the head end edge portion of the seat back 5 is brought into contact with and locked by the front end edge portion of the seat cushion 9. Then, at this time, the seat back 1 of the rear seat 3
When 0 is rotated backward (reclining), the front seat 2 and the rear seat 3 form a substantially flat surface,
It becomes a so-called full flat sheet.

FIG. 2 is a perspective view showing the front seat 2 of FIG. 1 in detail. FIG. 3 is a side view of the front seat 2 shown in FIG. Then, FIGS. 4, 5, and 6 are cross-sectional views of the front seat 2 shown in FIG. 3 taken along arrows IV-IV, VV, and VI-VI, respectively.

The front-rear slide mechanism 7 slidably engages an outer slider 70 fixed to the seat cushion 4 and an inner slider 71 fixed to the floor 1 via a slider support 73. The seat cushion 4 is moved (slide) in the front-rear direction of the vehicle body.

That is, the outer slider 70 and the inner slider 71
Are engaged with each other through a plurality of balls 72 shown in FIG. 4 so that they can slide in the longitudinal direction.
The outer slider 70 is fixed to the back surface of the seat cushion 4 on the side in the vehicle width direction with the vehicle body front-rear direction being longitudinal, and the inner slider 71 is fixed to the slider support 73 standing on the floor 1. The above configuration is provided at each of both ends of the seat cushion 4 in the vehicle width direction, and the slider supports 73, 73 of each are connected by two connecting shafts 74, 74 extending in the vehicle width direction. Further, a plurality of springs 75 are provided between the lower surface of the front edge of the seat cushion 4 and the rear side of the vehicle body of the two connecting shafts 74, 74. Is always biased toward the rear of the vehicle.

The stopper mechanism 8 is provided on the slider support 73 on one side of the front-rear slide mechanism 7, and when the outer slider 70 of the front-rear slide mechanism 7 is slid to the frontmost position, that is, the seat cushion 4 is in front of the vehicle body. When the outer slider 7 is slid to the foremost position,
The movement of 0 is locked by the rotational contact of the stop bar 81 as a movable stopper member which is interlocked with the stepping operation of the pedal bar 80 as a foot pressing member. This allows the pulling force of the spring 75 to move it to the rear side of the vehicle body. The movement of the seat cushion 4 which is always biased is prevented (held).

That is, the stop bar 81 has a bent end on one end side, and is rotatably supported by a support shaft 85 which is erected at a substantially central portion of the stop bar 81 at a predetermined portion of the slider support 73. The support shaft 85 is covered with a cover 85a, and when the outer slider 70 of the front-back slide mechanism 7 is slid to the frontmost position, the bent end of the stop bar 81 is rotated by the outer slider 70 to rotate the outer shaft. The standing portion is set so as to come into contact with the rear end portion of the slider 70.

A pedal bar 80 is disposed below the stop bar 81. The pedal bar 80 has a pedal portion formed at one end thereof, and the other end side thereof is rotatable by a support shaft 86 covered by a cover 86a. Supported. The portion of the pedal bar 80 near the support shaft 86 and the other end of the stop bar 81 at the bent end are rotatably connected to the ends of the link 82 by the pins 84 and 83, respectively. 80 and a stop bar 81 link 82
The stop bar 81 is rotated in conjunction with the rotation of the pedal bar 80, such as when the pedal portion of the pedal bar 80 is depressed.

Further, the pedal portion side of the pedal bar 80 is covered by the spring 87 as a spring member by the cover 8 of the support shaft 85.
5a, and the pulling force of the spring 87 urges the pedal portion to rotate upward, which is the direction in which the support shaft 85 is erected. Then, the upper portion of the pedal bar 80 on the side of the pedal portion is a stopper 8 which is erected on the slider support 73.
9 is abutted at a predetermined rotation position.
That is, the spring 87 biases the pedal bar 80.
Is locked by being brought into contact with the stopper 89 at a predetermined rotation position.

On the other hand, when the pedal bar 80 is depressed against the rotational bias by the spring 87, the lower part of the pedal bar 80 on the pedal portion side comes into contact with the stopper 88 standing on the slider support 73 with a predetermined stroke. The depression is locked.

That is, the pedal bar 80 is normally locked by abutting the stop 89 on the side of the pedal portion urged by the pulling force of the spring 87. Therefore, the pedal bar 80 is connected to the pedal bar 80 via the link 82. The stop bar 81 has its bent end pivoted toward the lower pedal bar 80. The bent end of the stop bar 81 is set so as to be pivotally moved to a position where it cannot contact the rear end portion of the outer slider 70 in the normal state.

On the other hand, when the pedal portion of the pedal bar 80 is stepped on the stopper 88 side against the tensile force of the spring 87, the link 82 moves downward in conjunction with the rotation of the pedal bar 80 and the stop bar 81 interlocks. The bent end is pivotally moved upward. At this time, if the outer slider 70 of the front-back slide mechanism 7 is slid to the frontmost position against the tensile force of the spring 75, the stop bar 8 is
The bent end of No. 1 comes into contact with the rear end portion of the outer slider 70 biased rearward by the spring 75,
The rearward movement (slide) of the outer slider 70 is locked. That is, by depressing the pedal portion of the pedal bar 80, the rearward movement of the seat cushion 4 due to the pulling force of the spring 75 is blocked (held) at its frontmost position. The spring 8
Since the pedal bar 80 is urged by 7, if the pedal bar 80 is not stepped on, the movement prevention (holding) of the seat cushion 4 is released, and the pedal bar 80 is pressed only while the pedal bar 80 is stepped on. It is temporary.

That is, according to such a configuration, when the seat cushion 4 is to be fully flat, the seat cushion 4 is slid to the frontmost position in front of the vehicle body and the pedal portion of the pedal bar 80 is depressed to move the spring 75 to the rear of the seat cushion 4. The seat cushion 4 can be held at its foremost position by preventing movement. Therefore, the full flat operation becomes easy and the operability can be improved. Further, when returning from the full flat state to the standard state, the slide of the seat cushion 4 and the rotation of the seat back 5 are opposite movements, but the stopper mechanism 8 can prevent (hold) the slide of the seat cushion 4. It is safe to operate them independently.

Further, the seat cushion 4 is
Although the backward slide is prevented by depressing the pedal bar 80, it is not locked.
It is not necessary to reinforce the front seat 2 which is originally sufficiently strong, and the stopper mechanism 8
However, since it has a simple configuration as described above, the problem of weight and cost due to the addition of the reinforcing member as described in the section of the prior art does not occur, and it is rather advantageous.

[Effect of the Invention] As described above, according to the present invention, since the seat cushion slid to the predetermined front position can be temporarily held by the seat holding means, a full flat operation becomes easy and its operability is improved. it can. Further, since the sheet holding means has a simple structure, it is advantageous in terms of weight and cost.

[Brief description of drawings]

FIG. 1 is an overall view showing a preferred embodiment of a vehicle seat device according to the present invention, (A) is a side view, (B) is a top view, and FIG. 2 is a front view of FIG. FIG. 3 is a perspective view showing the seat 2 in detail, FIG. 3 is a side view of the front seat 2 shown in FIG. 2, and FIGS. 4, 5, and 6 are IV-IV of the front seat 2 shown in FIG. 3, respectively. View, V-V View, VI
-VI is a sectional view taken along the arrow, and FIG. 7 is an overall view showing a conventional vehicle seat device in a side view. DESCRIPTION OF SYMBOLS 1 ... Floor (vehicle body) 2 ... Front seat (vehicle seat device) 4 ... Seat cushion 5 ... Seat back 6 ... Reclining mechanism 7 ... Front / rear slide mechanism 8 ... Stopper mechanism (seat holding means) 80 ... Pedal bar (foot stepping member) 81 … Stop bar (movable stopper member) 87… Spring (spring member)

Claims (1)

[Scope of utility model registration request] 1. A vehicle seat device comprising a seat cushion attached to a vehicle body through a front-rear slide mechanism and a seat back attached to the seat cushion via a reclining mechanism, wherein the seat cushion is located forward. A seat holding means for temporarily holding the seat cushion at a predetermined position when the seat cushion is slid by a fixed amount; and the seat holding means prevents the seat cushion from retracting and the seat cushion from retracting. The movable stopper member movable between the non-acting position and the non-acting position, the spring member for urging the movable stopper portion to be always in the non-acting position, and the non-acting movable stopper member in cooperation with the movable stopper member. A foot operation member that can be operated to move from a position to a working position, That is configured capable of retaining the seat cushion to the predetermined position by the movable stopper member only when stepping operation of the saw operating member, the vehicle seat apparatus according to claim.