JPH0939615A - Seat slide device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent front and rear seats placed on a long slide rail freely to slide from carelessly approaching each other in a seated state. SOLUTION: A seat slide device for a vehicle moves on a pair of left and right long slide rails 1 by connecting one end to either one seat of first and second seats 2, 3 and following sliding of the one seat between the first and second seats 2, 3 placed on a longitudinal position on a pair of the left and right long slide rails 1 provided on a floor F of the vehicle. Thereafter, a stopper A to hold a prescribed interval required for a space for a seated person of the second seat 3 between both of the seats 2, 3 as the other end makes contact with the other seat is provided free to remove from the rails 1, and it is structured to secure the prescribed interval required for the space for the seated person by preventing both of the seats from carelessly approaching each other too closely in a slide lock release or half lock state of the seats 2, 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat slide device, and more particularly, to a plurality of seats slidably supported at the front and rear positions of a long slide rail provided on the vehicle floor and extending in the front and rear direction, and a space between the plurality of seats. The present invention relates to a seat slide device provided with a means for preventing the above condition from becoming a predetermined value or less.

[0002]

2. Description of the Related Art In a van type vehicle or the like, a pair of left and right long slide rails extending in the front-rear direction are provided on the vehicle floor,
There is a seat slide device in which a plurality of seats are supported on the rails so as to be slidable back and forth, and the layout of the interior of the vehicle is diversified. With this type of seat slide device, when the vehicle travels with the seat locked to the rails and in the semi-locked state, the front and rear seats may slide too close when the vehicle accelerates or decelerates rapidly. A stopper device is provided between the seats to keep a distance corresponding to the occupant of the rear seat (Japanese Patent Laid-Open No. 6-3361).
No. 31).

FIG. 5 shows a typical example thereof.
As shown in (A), the first and second seats 2 and 3 are slidably supported on the long slide rail 1 behind the first seat 2, and the first seat 2 is slid rearward. A first stopper 44 for regulating is provided, and a predetermined space is provided behind the first stopper 44,
A second stopper 45 for restricting the forward sliding of the second seat 3 is provided.

As shown in FIG. 5 (B), the long slide rail 1 has a structure in which an upper rail 12 for supporting front and rear seats is slidably provided on a long lower rail 11, and the lower rail 11 has a predetermined interval. Is provided with a notch 112, and a stopper 44 having a U-shaped cross section
(45) is detachably attached. Then, the flange portion of the stopper 44 (45) having a U-shaped cross section abuts the flange portion bent inwardly of the lower end portion of the upper rail 12 to regulate the slide of the upper rail in the front-rear direction.

[0005]

However, in this conventional structure, the stopper mounting position is determined to be a fixed position on the lower rail, and when the stopper is mounted, the amount of slide of the seat is restricted, and the inside of the vehicle interior is restricted. The degree of freedom in layout is small. Also, two stoppers must be installed and removed for each rail. Therefore, the present invention has an object to realize a seat slide device in which the movement of the seat is less restricted even when the stopper is attached, and therefore the degree of freedom in the vehicle interior layout is large and the stopper can be easily handled. .

[0006]

As shown in FIGS. 1, 2 and 3, the present invention provides a first seat 2 on a pair of left and right long slide rails 1 provided in the front-rear direction on a floor of a vehicle. A second seat 3 is slidably supported behind the first seat 2. Between the first and second seats 2 and 3, one end is connected to one of the seats 2 and 3 and moves on the rail 1 following the slide of one seat, The rail 1 is provided with a stopper 4A (4B) which holds the second seat 3 at a predetermined interval required for ensuring a space for a seated person of the second seat 3 by contacting the other seat with the other end. It is more detachably provided (Claim 1).

Each of the long slide rails 1 has a long lower rail 11 and a first upper rail 12A and a second upper rail which support the first and second seats 2 and 3 and are slidable along the lower rail 11. 1
2B, the stopper is a stopper 4A that is slidably and removably fitted to the lower rail 11 with a length corresponding to the predetermined interval, and a notch 40 is provided on at least one of both ends thereof. The notch 40 is provided at the rear end of the first upper rail 12A, or at the second end.
The pin 52 is detachably engaged with the pin 52 provided at the front end of the upper rail 12B.

As shown in FIGS. 1 (A) and 4, each of the long slide rails 1 supports a long lower rail 11 and the first and second seats 2 and 3 along the lower rail 11. Slidable first upper rail 1
2A and a second upper rail 12B, and the stopper is a stopper 4B that is slidably and removably fitted to the lower rail 11 with a length corresponding to the predetermined interval, and its front end or rear end is ,
The rear end of the first upper rail 12A or the front end of the second upper rail 12B has a structure in which it can be rotatably supported by the front end (claim 3).

According to the present invention, since the stopper 4A (4B) moves following one of the first and second sheets 2 and 3, the stopper 4A (4B) is moved.
Even if the seats 2 and 3 are attached, there is little restriction on the movement of the seats 2 and 3, and the passenger compartment layout can be freely performed, and one stopper 4A (4B) for each rail 1 is used for the first and second seats 2, 2. Since the space for the occupant of the second seat is maintained between 3, the seat slide device is easy to handle the stopper 4A (4B).

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described with reference to FIGS. 1, 2 and 3. As shown in FIG. 3, the left and right separate type first seats 2 are slidably supported by a pair of slide rails 1A and a pair of long slide rails 1 on the outside thereof, respectively. The first seat 2 slidably supports the second seat 3 located behind the first seat 2.

FIG. 1 (A) shows a side surface of the seat slide device described above. A pair of left and right long slide rails 1 (only one of which is shown in the figure) provided on a floor F of a vehicle and extending in the front-rear direction are shown in FIG. Long lower rail 11 and front and rear upper rails 1 slidably provided on the lower rail 11.
The first seat 2 is supported by the first upper rail 12A, and the second seat 3 is supported by the second upper rail 12B. Then, on the lower rail 11 between the first seat 2 and the second seat 3, it is connected to the front end of the upper rail 12B of the second seat, and the interval between the first and second seats 2 and 3 is set to the second end.
There is provided a stopper 4A for holding the seat 3 at an interval necessary to secure a space for a seated person.

As shown in FIGS. 1 (B), 1 (C) and 2 (A), the stopper 4A is a plate material extending in the front-rear direction, and its length is equal to that of the first sheet 2 and the second sheet 3. Second between
The seat 3 has a length equivalent to the space required for a seated person, and its height is substantially the same as that of the lower rail 11. Flanges 41 projecting to one side are formed at the front end and the rear end of the upper edge of the stopper 4A. Notches 40 are formed at the front and rear ends of the lower edge of the stopper 4A, respectively. Notch 40 is stopper 4A
It is formed inwardly and obliquely upward from the front end and the rear end of the lower edge.

The lower rail 11 has a quadrangular cross section, and an opening 111 is provided substantially at the center of its upper surface. The lower rail 11 is stored in the groove F1 provided on the vehicle floor F,
A cover member 6 having a substantially T-shaped cross section is provided on the left and right opening edges of the groove F1.

On the other hand, the upper rails 12A and 12B have a substantially inverted T-shaped cross section, and a moving member 5 is connected downward. The moving member 5 is supported on the bottom surface of the lower rail 11, and the upper portion of the inverted T-shape is lower rail. 11 openings 111
The upper rails 12A and 12B are configured to slide on the lower rail 11 by being loosely fitted in.

The second upper rail 12B of the second seat 3 has a protrusion 51 at the front end of the moving member 5.
Is protruding toward the front. The protrusion 51 is the moving member 5.
A pair of left and right plate bodies are projected from the front end of the, and a pin 52 for extending the left and right plate bodies is provided at the tip end in the width direction.

The stopper 4A is attached to the lower rail 1
1 into the opening 111, and the lower edge of the lower rail 1
1, the flange 41 on the upper portion of the stopper 4A is placed on the upper edge of the lower rail 11, and the side edge of the flange 41 faces the side edge of the cover member 6. Further, the notch 40 at the rear end of the stopper 4A is engaged with the pin 52 to detachably connect the stopper 4A and the second upper rail 12B.

According to the structure of this embodiment described above, the first
When the seat locking mechanism (not shown) for sliding the second seats 2 and 3 is released, or when the vehicle is in a semi-locked state due to an erroneous operation, the vehicle suddenly accelerates and decelerates, and the first and second seats Even if 2 and 3 slide more than necessary, the tip of the stopper 4A provided at the tip of the upper rail 12B of the second sheet 3 and the upper rail 12A of the first sheet 2
The rear end abuts each other, and the distance between the first and second seats 2 and 3 becomes the length of the stopper 4A, that is, the predetermined distance required to secure a space for the seated person of the second seat 3. Retained.

Since the stopper 4A follows the second sheet 3 and moves on the rail, the first and second sheets 2,
No. 3 can be set in an arrangement in which the distance between the two seats 2 and 3 does not become less than the above-mentioned predetermined distance, and the degree of freedom of layout inside the vehicle is increased without being restricted by the stopper. Further, the stopper 4A is attached to the upper rail 12B of the second seat 3.
If the seat cushion of the second seat 3 is flipped up and stored,
It is possible to move the second seat 3 immediately after the first seat 2 without a gap, thereby expanding the luggage space.

In the above-described embodiment, the stopper 4A has the notches 40 provided at both front and rear ends of the stopper 4A. be able to.

Further, as shown in FIG. 2B, the flanges 41 at the front and rear ends of the upper edge of the stopper 4A may be stoppers 4C having a structure extending in opposite directions opposite to each other. With this structure, the front and rear flanges 41 of the stopper 4C are mounted on both side edges of the opening 111 of the lower rail 11, respectively, so that the stopper 4C does not fall inside the lower rail 11.

Further, the stopper 4A may have a structure in which a pin is provided at the rear end of the first upper rail 12A of the first seat 2 and is connected to the pin.

A second embodiment of the present invention will be described with reference to FIG. The basic structure is almost the same as that of the above-described first embodiment, and the differences will be mainly described below.

As shown in FIG. 4, the second sheet 3 (FIG. 3)
A stopper 4B is pivotally supported on the tip of the upper rail 12B so as to be rotatable in the upright direction. That is, the rear end of the stopper 4B is provided on the moving member 5 of the upper rail 12B of the second sheet 3.
The pin 52 of the projecting portion 51 projecting from the front end is pivotally supported so as to be rotatable in the upright direction. Therefore, the stopper 4B
It can be pulled out from the lower rail 11 by rotating around the pin 52 to be in an upright state. In addition, the pin 52
When it is turned around and tilted down, the lower edge of the stopper 4B reaches the bottom surface of the lower rail 11, and the flange 41 at the upper portion thereof is placed on the upper edge of the lower rail 11.

According to the structure of the present embodiment described above, if the stopper 4B is tilted inside the lower rail 11, the same effect as that of the first embodiment can be obtained. Further, the stopper 4B is attached to the pin 52 of the upper rail 12B of the second seat 3.
When the seat cushion of the second seat 3 is flipped up and housed by rotating around the center of the seat to stand up and pulling it out from the lower rail 11, the second seat 3 is moved immediately after the first seat 2 without a gap. The space of the luggage compartment can be expanded. In this case, the stopper 4B is pulled out from the lower rail 11, and the state in which the stopper 4B is erected at the front end of the upper rail 12B is in the accommodated state of the stopper 4B, so that the labor for detaching and accommodating can be saved.

The stopper 4B may be constructed so as to be flipped up and rotatably connected to the rear end of the first upper rail 12A of the first seat 2.

[0026]

According to the present invention, since the stopper moves following one of the first and second seats, there is no restriction on the sliding of both seats and the layout of the passenger compartment is reduced. The degree of freedom can be increased, and the distance between the two seats does not become less than the space required for the seated person. Further, even if the seat slides due to a sudden acceleration / deceleration of the vehicle in the state where the slide lock of the first and second seats is released and the semi-locked state, the stopper and the upper rail on which the other seat is mounted come into contact with each other, and both seats The space required for the seated person can be surely secured between them. Further, since the structure is such that one stopper is attached to and detached from each of the pair of long slide rails between the first and second seats, the seat slide device is easy to handle.

[Brief description of drawings]

1 shows the present invention, FIG. 1 (A) is a schematic side view of the seat slide device of FIG. 3, FIG. 1 (B) is a side view of a stopper device according to a first embodiment of the present invention, FIG. 1C is a cross-sectional view taken along the line IC-IC in FIG.

FIG. 2A is a perspective view of a stopper used in the first embodiment of the present invention, and FIG. 2B is a perspective view of another stopper used in the first embodiment of the present invention. .

FIG. 3 is a schematic plan view of a seat slide device to which the present invention has been applied.

FIG. 4 is a side view of the stopper device used in the second embodiment of the present invention, corresponding to FIG. 1 (B).

FIG. 5 (A) shows a first stopper device having a conventional stopper device.
FIG. 5B is an enlarged perspective view of a conventional stopper device showing a supporting structure for the sheet and the second sheet.

[Explanation of symbols]

 F Vehicle floor 1 Long slide rail 11 Lower rail 12A First upper rail 12B Second upper rail 2 First seat 3 Second seat 4A, 4B Stopper 52 pins

Claims (3)

[Claims] 1. A seat slide device in which a first seat and a second seat are slidably supported behind a pair of left and right long slide rails provided in a front-rear direction on a floor of a vehicle. In the above, between the first and second seats, one end is connected to one of the two seats and moves on the rail following the slide of one seat, and the other end is connected to the other seat. A vehicle, characterized in that a stopper for abutting against the seat and holding the space between the two seats at a predetermined space required to secure a space for a seated person on the second seat is provided detachably from the rail. Seat slide device. 2. Each of the long slide rails includes a long lower rail, and a first upper rail and a second upper rail that respectively support the first and second seats and are slidable along the lower rail, The stopper has a length corresponding to the predetermined interval and is slidably and removably fitted to the lower rail. At least one of both ends of the stopper has a notch, and the notch is provided with the first upper rail. The vehicle seat slide device according to claim 1, wherein a pin provided at a rear end of the second upper rail or a front end of the second upper rail is detachably engaged with the pin. 3. Each of the long slide rails includes a long lower rail and a first upper rail and a second upper rail that support the first and second seats and are slidable along the lower rail. The stopper has a length corresponding to the predetermined interval and is slidably and removably fitted to the lower rail, and the front end or the rear end thereof has a rear end of the first upper rail or a second upper rail. The vehicle seat slide device according to claim 1, wherein the front end of the vehicle is pivotally supported so as to be lifted up.