JPH07205691A - Installation structure for seat for vehicle - Google Patents

Abstract

PURPOSE:To take out a brought-in article which is nipped between an instrument panel, etc., and a seat cushion through the front surface collision of a vehicle, in a short time without using a tool. CONSTITUTION:A slide rail 22 extends in the advance direction of a vehicle 10 to the center from the front part below a seat cushion 12 opposed to an instrument panel 18 and is arranged on a floor panel 16. A bracket 23 for leg on which a nut 44 for fixing a leg is fixed is arranged on the floor panel under the lower end of the set cushion. The lower end of a front leg 64 which is projectingly installed toward the slide rail from the undersurface of the front part of the seat cushion is inserted in a slidable manner into the slide rail, and a rear leg 47 at the lower end of the seat cushion is fixed on the bracket by screwing a bolt 48 for fixing the leg with the nut. The seat body is shifted rearward along the slide rail, by demounting the bolt from the nut.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat mounting structure suitable for a vehicle, particularly a single cab type truck.

[0002]

2. Description of the Related Art Conventionally, as a seat structure of a truck of this type, there is known a seat structure including a seat body having a seat cushion and a seat back, and a seat leg for attaching the seat body to a floor panel. In this seat, the seat body is provided so as to face an instrument panel extending in the vehicle width direction, and the lower end of the seat back is attached to the rear end of the seat cushion via a reclining adjuster. A seat track is interposed between the seat cushion and the seat leg, and the seat track is fixed to the seat leg and is provided with a pair of lower rails extending in the traveling direction of the track and a pair of lower rails with the seat cushion attached. And a pair of upper rails arranged so as to be movable in the front-rear direction.

On the lower surface of one of the lower rails, a piercing member having a large number of locked holes provided at equal intervals along the rail is fixed, and an adjusting handle is rotatably attached to one of the upper rails. . Locking claws for selectively selecting the holes to be locked are fixed to the adjustment handle, and the front and rear positions of the seat cushion and the seat back can be adjusted by operating the handle. A rearward stopper is provided at the rear end of the lower rail, and the stopper determines the final retracted position of the upper rail with respect to the lower rail.

[0004]

In the above-mentioned conventional seat structure, for example, the seat cushion and seat back are most retracted by operating the adjustment handle, and the carry-in item in the cab is leaned against the front end of the seat cushion. ,
When the truck collides with the front surface, the instrument panel may be retracted due to the deformation of the front panel, and the carry-on item may be sandwiched between the instrument panel and the seat cushion. In this case, it is necessary to remove the retreat stopper so that the upper rail can be moved further rearward, but a special tool must be used for this work, and there is a problem that it takes a lot of time. Also, in the case of a single cab type truck where the back panel is located immediately after the seat, even if the backward stopper is removed, the upper rail cannot be moved to the rear because it is blocked by the back panel and the seat must be removed from the floor panel. There was a problem.

An object of the present invention is to mount a vehicle seat on which a vehicle can be taken out in a short time without using a tool when a vehicle collides with a front surface and is sandwiched between an instrument panel or the like and a seat cushion. To provide.

[0006]

A configuration of the present invention for achieving the above object will be described with reference to FIG. 1 corresponding to an embodiment. The vehicle seat mounting structure according to the present invention includes a seat body 14 having a seat cushion 12 that is provided so as to face a vehicle interior equipment member 18 of the vehicle 10, and a seat cushion 12.
A pair of slide rails 22 disposed on the floor panel 16 extending from the lower front portion to the center and in the traveling direction of the vehicle 10, and a leg disposed on the floor panel 16 below the rear end of the seat cushion 12. A pair of leg brackets 23 to which fixing nuts 44 are fixed,
A pair of front legs 46 projecting from the lower surface of the front of the seat cushion 12 toward the pair of slide rails 22 and having lower ends movably along the slide rails 22 respectively inserted into the slide rails 22, and the seat cushion 12 A pair of rear legs 47 respectively fixed to the bracket 23 by screwing leg fixing bolts 48 onto nuts 44 provided at the rear ends and fixed to the pair of brackets 23, and the bolts 48 fixed to the bracket 23. The seat main body 14 is configured to be movable rearward along the slide rail 22 by removing it from the nut 44.

[0007]

When the vehicle 10 collides with the front side, the passenger compartment equipment member 18 facing the seat body 14 is retracted, and the passenger compartment equipment member 18 is moved.
The distance between the seat cushion 12 and the seat cushion 12 becomes smaller. At this time, the leg fixing bolts 48 are removed from the leg fixing nuts 44, and the seat body 14 is moved rearward along the slide rails 22.
The distance S ₁ between the seat cushion 12 and the seat cushion 12 can be increased.

[0008]

An embodiment of the present invention will be described in detail with reference to the drawings. As shown in FIGS. 1 to 3, a passenger seat 11 of a single-cab type truck 10 has a seat body 14 having a seat cushion 12 and a seat back 13, and a seat leg 1 for mounting the seat body 14 on a floor panel 16.
7 and 7. The seat body 14 is provided so as to face an instrument panel 18 extending in the vehicle width direction, and the lower end of the seat back 13 is attached to the rear end of the seat cushion 12 via a reclining adjuster 19. A cushion frame 12a for holding a pad (not shown) of the seat cushion 12 is formed in a square frame shape by a round pipe (FIG. 3). A seat track 21 for adjusting the front and rear positions of the seat cushion 12 and the seat back 13 is interposed between the seat cushion 12 and the seat leg 17, and the seat leg 17 and the floor panel 1 are provided.
A pair of slide rails 22 and a pair of leg brackets 23 are interposed between the pair of slide rails 22 and 6. A back panel 25 of the cab 24 is located immediately after the passenger seat 11.

The seat track 21 has a pair of lower rails 26 provided with projecting seat legs 17 and extending in the traveling direction of the track 10, and an upper bracket movably arranged in the front-rear direction along the pair of lower rails 26. 27 and a pair of upper rails 29 to which the cushion frame 12a is fixed via a cushion bracket 28. The lower rail 26 is formed into a substantially inverted hat shape in cross section,
The upper rail 29 is formed in a substantially C-shaped cross section, and the upper rail 29 is loosely fitted on the lower rail 26. A single roller accommodating portion 31 and a pair of steel ball accommodating portions 32, 32 are formed between the lower rail 26 and the upper rail 29. The roller 3 rotatably attached to the upper rail 29 via the roller bracket 33 in the roller housing portion 31.
4 is accommodated, and the roller 34 is configured to be able to roll on the inner surface of the lower rail 26. Steel balls 36, 36 that prevent movement between the lower rail 26 and the upper rail 29 in the vehicle width direction are housed in the pair of steel ball housing portions 32, 32, respectively (FIG. 3).

On the lower surface of the lower rail 26 on the left side, a perforating member 37 having a large number of engaged holes 37a provided at equal intervals along the rail 26 is fixed, and the upper rail 29 on the left side.
An adjusting handle 39 is rotatably attached to the track holder 38 via a handle holder 38 so as to extend in the traveling direction of the truck 10. An operating portion 39a is formed at the front end of the adjusting handle 39 by bending the handle 39 at a right angle. The proximal end of the locking claw 41 is fixed to the adjustment handle 39, and the tip of the locking claw 41 is formed so as to be selectively locked in the many locked holes 37a (FIG. 3). A torsion coil spring (not shown) is wound around the adjustment handle 39, and the spring is provided in the direction in which the locking claw 41 is locked in the locked hole 37a.
Energize 9 to rotate.

The pair of slide rails 22 are fixed on the floor panel 16 below the seat cushion 12 by unillustrated bolts and nuts. These slide rails 22 are formed in a substantially C-shaped cross section, and are arranged from the front portion of the seat cushion 12 to the center thereof and extend in the traveling direction of the track 10. A pair of leg brackets 23
Is a floor panel 16 below the rear end of the seat cushion 12.
It is fixed to the upper part by a bolt 42 and a nut 43. The leg bracket 23 is formed in a substantially hat shape, and a through hole 23b is formed in an upper piece 23a of the bracket 23.
A leg fixing nut 44 is welded to the lower surface of the upper piece 23a with the through hole 23b aligned with the hole center (FIG. 1).

The seat leg 17 includes a pair of lower rails 26.
It is composed of a pair of front legs 46 projecting from the lower surface of the front part toward the pair of slide rails 22, and a pair of rear legs 47 horizontally projecting rearward from the rear ends of the pair of lower rails 26. Front leg 4
6 is made of metal casting such as cast iron or cast steel, and is slidable along the flange portion 46 a attached to the lower surface of the lower rail 26 and the slide rail 23.
3 has a columnar portion 46b inserted therein (FIG. 3). Grease is applied to the inner surface of the slide rail 23 and the outer surface of the cylindrical portion 46b so that the cylindrical portion 46b can smoothly slide in the slide rail 23. A through hole 47a is formed in the rear leg 47 (FIG. 1). Front leg 46
With the cylindrical portion 46b of the rear leg 47 inserted into the slide rail 23 and the through hole 47a of the rear leg 47 aligned with the through hole 23b of the bracket 23, the leg fixing bolt 48 and the nut 44 are inserted through the through hole 47a and the through hole 23b. The rear leg 47 is fixed to the bracket 23 by being screwed to the extent that it can be loosened by hand. A small hole 48b is formed in the small diameter portion 48a of the bolt 48 protruding from the nut 44, and a cotter pin 49 for preventing the bolt 48 from coming off is inserted into the small hole 48b (FIG. 1). The split pin 49 can be bent and stretched by hand.

A method of using the vehicle seat mounting structure thus configured will be described. When the seat cushion 12 and the seat back 13 are most retracted by operating the adjustment handle 39 and the carry-on item 51 to the truck 10 is leaned against the front end of the seat cushion 12 of the passenger seat 11 (FIG. 1), the truck 10 is in front. When a collision occurs, the seat body 14
The instrument panel 18 opposed to is retracted, the distance between the instrument panel 18 and the seat cushion 12 is reduced, and the carry-in item 51 is sandwiched between the instrument panel 18 and the seat cushion 12. At this time, the tip of the split pin 49 inserted into the leg fixing bolt 48 is manually extended and pulled out from the small hole 48b, and the ring-shaped head 48c of the bolt 48 is manually rotated to be removed from the leg fixing nut 44. Further, the seat body 14 is moved rearward along the slide rail 23 while pulling up the rear portion. At the same time reclining adjuster 19
When the seat back 13 is tilted rearward by operating, a wide space on the seat cushion 12 can be secured (FIG. 2). Since the distance S ₁ between the instrument panel 18 and the seat cushion 12 can be increased by such a simple operation, the carry-in item 51 sandwiched between the instrument panel 18 and the seat cushion 12 can be easily taken out. be able to.

In the above embodiment, the columnar portion is integrally provided at the lower end of the front leg, and the columnar portion is slidably inserted into the slide rail along the slide rail.
This is an example, and a roller capable of rolling in the slide rail may be attached to the lower end of the front leg. In the above embodiment, the seat cushion and the seat track for adjusting the front and rear positions of the seat back are interposed between the seat cushion and the seat leg, but the mounting structure of the present invention is used for the seat cushion. May be applied to a fixed type seat directly attached to. Further, although the passenger seat is mentioned as the seat in the above-mentioned embodiment, the seat is not limited to this and may be the driver seat. Further, although the instrument panel is used as the vehicle interior equipment member in the above embodiment, the steering column or other members may be used as long as they are members facing the seat. Furthermore, in the above embodiment, a single cab type truck was mentioned as the vehicle, but other vehicles may be used.

[0015]

As described above, according to the present invention, the slide rail extending in the traveling direction of the vehicle is provided on the floor panel from the front portion below the seat cushion facing the passenger compartment equipment member to the center. Place the leg bracket with the leg fixing nuts fixed on the floor panel below the rear end of the seat cushion, and insert the lower end of the front leg protruding from the lower surface of the seat cushion into the slide rail. Since the rear leg is fixed to the bracket by screwing the leg fixing bolt to the above nut via the rear leg at the rear end of the seat cushion, the seat body can be attached to the slide rail simply by removing the leg fixing bolt from the leg fixing nut. Can be moved backwards along. As a result, it is possible to take out a carry-on article which is sandwiched between a vehicle body equipment member such as an instrument panel and a seat cushion due to a frontal collision of the vehicle without using a tool in a short time.
Further, even if the seat of the present invention is mounted on a single cab type truck in which the back panel is located immediately after the seat, it is possible to secure a large distance between the vehicle compartment equipment member and the seat cushion that have been reduced due to a frontal collision in a short time. it can.

[Brief description of drawings]

FIG. 1 is a side view of a truck including a vehicle seat according to an embodiment of the present invention.

FIG. 2 is a side view of a main part of the truck showing a state in which the seat body is moved rearward along the slide rail while pulling up a rear portion thereof.

3 is a cross-sectional view taken along the line AA of FIG.

[Explanation of symbols]

 10 truck (vehicle) 11 passenger seat (seat) 12 seat cushion 14 seat body 16 floor panel 18 instrument panel (vehicle compartment equipment member) 22 slide rail 23 leg bracket 44 leg fixing nut 46 front leg 47 rear leg 48 leg fixing For bolt

Claims (1)

[Claims] 1. A seat body (14) having a seat cushion (12) provided so as to face a vehicle interior equipment member (18) of a vehicle (10).
A floor panel (1) extending from the lower front part of the seat cushion (12) to the center and extending in the traveling direction of the vehicle (10).
6) A pair of slide rails (22) arranged above, and leg fixing nuts (44) arranged on the floor panel (16) below the rear end of the seat cushion (12) are fixed to each other. A pair of leg brackets (23) and a front lower surface of the seat cushion (12) projecting toward the pair of slide rails (22), and the lower ends thereof are movable along the slide rails (22). A pair of front legs inserted into the slide rails (22)
(46) and a nut (44) provided at the rear end of the seat cushion (12) and fixed to the pair of brackets (23) with a leg fixing bolt (48) by screwing the bracket (23). ) And a pair of rear legs (47) respectively fixed to the bracket (23).
A vehicle seat mounting structure characterized in that the seat body (14) is configured to be movable rearward along the slide rail (22) by being removed from the (44).