JPS6040330Y2 - car front seat - Google Patents

Description

[Detailed description of the invention] The present invention relates to an improvement in the front seats of automobiles, especially two-door cars, whose positions can be adjusted longitudinally. If the seat cushion is stacked on top of the seat cushion and folded forward to a nearly horizontal position, then the seat cushion is further rolled over and stood up, causing an obstruction when getting in and out of the rear seat or loading and unloading large or long items. The purpose is to provide a front seat that is free of clutter.

In conventional cars, especially two-door cars, the front seats can only be moved forward and then the seat backs can be folded forward, which reduces the open area for getting in and out of the rear seats, which significantly obstructs getting in and out of the seats. Not only that, but there was also the drawback that the loading and unloading of large and long items was significantly hindered.

The present invention provides a front seat that does not have the above-mentioned drawbacks by adopting the configuration described in the claims of the utility model registration.

The configuration of the illustrated example will be explained below.

1A, B and C show the deformation and displacement states of the front seat according to the present invention. As shown in FIG. For the first time, front seat 2
As shown in the figure, seat back 1 is connected to seat cushion 3.
It is then tilted forward so that it overlaps with the upper part in a horizontal position, and then cartwheels in the direction of arrow A about the rotation shaft 5 provided near the first edge 4 in the axle direction, as shown in Figure C, and then stands up. It is configured so that it can be used.

In the illustrated example, the front seat 2 is placed against the floor tunnel 6 side, so that a wide open space 9 can be formed between the front seat 2 and the inner wall 8 of the door 7.

The present invention uses this open space 9 to facilitate getting in and out of the rear seat and loading and unloading large or long items, and also allows rear seat occupants to stretch their legs when the passenger seat is vacant. This allows the user to freely adopt a sitting posture.

2 to 8 show an embodiment of the structure for deforming and displacing the front seat 2 as described above, in which the seat cushion 3 is fixed to the upper rail 10.11 of the seat slide rail running in the axle direction. , upper rail 10
, 11 are mounted and assembled so that they can slide back and forth on the lower rail 12.13, but behave as one in the vertical direction.

The lower rails 12 and 13 are fitted into protrusions 15 and 16 fixedly provided on the floor 14 to determine their position on the floor 14 and to be in a locked state.

Therefore, when the front seat 2 is cartwheeled and raised up as shown in FIG. Become.

When the front seat 2 is placed on the floor 14 as shown in FIGS. 1A and B or FIG. The lower rail 12 is locked in a groove of a locking member 19 fixed to the floor 14 side, and is configured to be in a locked state and prevented from moving up and down.

The hook lever 17 is supported by a bracket 21 of the lower rail 12 via a shaft 20, and is biased by a torsion spring 22 so that the hook 18 is always pressed in the direction of locking into the groove of the lock par 19.

Therefore, by resisting the elasticity of the torsion spring 22 and rotating the hook lever 17 in the direction of the arrow, the lock par 19 and the hook 18 are unlocked, and the lower rail 12
is considered to be in an unlocked state.

In addition, the seat cushion 3 guides the cartwheel and standing up.
Two guide rails 23.24 are fixed to the slope of the floor tunnel 6 of the floor 14 at intervals that run parallel to the seat slide rails, and two guide rails 23.24 form a concave arc orthogonal to the guide rails 23.24. Arc-shaped rails 25,26 are slidably engaged in the longitudinal direction of guide rails 23,24 via rollers 27.

In the illustrated example, the guide rails 23, 24 are arranged in a bore 29 having a longitudinally running fenestration 28, through which the arms 30 of the arcuate rails 25, 26 extend, and at the ends of which the arms 30 extend. 27 is pivotally supported, but it is not limited to this structure.

The above-mentioned arcuate rails 25, 26 have seat cushions 3
A support rod 31 extending laterally from the axle side is slidably engaged with the arcuate rails 25, 26 in the longitudinal direction via rollers 32.

These support rods 31 are fixed to both the front and rear positions of the axle side side of the seat cushion frame, and are fixed to the floor tunnel 6.
It is extended to the side and engaged with each of the two arcuate rails 25,26.

In the illustrated example, the arcuate rails 25, 26 have a longitudinally running fenestration 33 within a bore 34, through which a support rod 31 extends, and a roller 32 is pivotally supported at the end of the support rod 31. However, it is not limited to such a structure.

The support shaft of the roller 32 is the rotation shaft 5 described above.

Since the front seat 2 according to the present invention has the above-described configuration, the positions of the lower rails 12 and 13 on the floor 14 are determined by the projections 15 and 16, and the hook 18 of the hook lever 17 engages with the groove of the lock par 19. In the locked state, the front seat 2 can be positioned in any direction forward or backward by the operation of a front-rear position adjustment device (not shown) that causes the upper rails 10 and 11 to slide back and forth on the lower rails 12 and 13. At that time, as the seat cushion frame moves, it is pushed by the support rod 31 and the arcuate rail 25
．． 26 slides back and forth along rails 23.24.

Therefore, the operation of adjusting the position of the front seat 2 back and forth is not hindered in the slightest by the addition of the equipment according to the present invention.

When getting on or off the rear seat or loading or unloading large or long items, rotate the hook lever 17 in the direction of the arrow to release the hook 18, regardless of the front or rear position of the front seat 2. is removed from the locking member 19, the seat slide rail is unlocked, and the seat back 1 is stacked on the seat cushion 3. When the seat back 1 is rolled in the direction shown by arrow A in Fig. 1C, the seat slide rail extends from the seat cushion frame. The rollers 32 of the support rod 31 slide along the arcuate rails 25 and 26, and at the same time gradually stand up while rotating in the direction of arrow A about the rotation shaft 5 which also serves as the support shaft of the rollers 32. Finally, he stands up to the state shown in FIG.

In this state, the space occupied by the front seat 2 as shown in FIG. 2 becomes a wide open space 9 as shown in FIG. , or for loading and unloading large and long cargo.

Since the present invention has the above-described structure and function, the seat cushion can be easily turned cartwheel regardless of the adjustment position of the front seat, without impairing the position adjustment function of the front seat, which can be adjusted back and forth. By standing up, you can create a wide open space in the position previously occupied by the front seats.Use this space to get in and out of the rear seats, or load and unload large or long items from the front seats. It has the effect of allowing you to do it freely without being disturbed.

In addition, it is relatively simple mechanically and has the advantage of being able to be installed without significantly constricting the indoor living space or the suspension area.

[Brief explanation of the drawing]

Figures A, B, and C show the deformation and displacement states of the front seat according to the present invention; Figure A is a perspective view of the front seat in a seated state, and Figure B is a perspective view of the front seat with the seatback folded forward. Figure C is a schematic diagram showing the positional relationship between the front seat in a cartwheel position, the upright front seat, the door and the floor from the rear side, and Figure 2 is a schematic diagram showing the positional relationship between the front seat in the seated position, the door and the floor. 3 is a schematic cross-sectional view showing the positional relationship between the lower rail and the floor from the rear side, FIG. 4 is a schematic cross-sectional view of the locking structure between the lower rail and the floor, and FIG. Figure 5 is a perspective view of the rail section that guides the front seat to cartwheel and stand up, and Figure 6 is a view of VI-VI in Figure 4.
FIG. 7 is a cross-sectional view taken along the line ■--■ in FIG. 6, and FIG. 8 is a schematic cross-sectional view showing the front seat in a cartwheeled and upright state from the rear side. 1...Seat back, 2...Front seat, 3...Seat cushion, 4...
・・1 side L 5---One rotation axis, 10, 11...
... Upper rail of Toot slide rail, 12, 13
...Lower rail of seat slide rail, 14
...Floor, 23, 24... Guide rail, 25, 26... Arc-shaped rail.

Claims (1)

[Scope of utility model registration request] A seat back is attached to a seat cushion whose front and back position can be adjusted by a seat slide rail so that it can be folded forward, and the seat slide rail locks onto the floor.
It is assembled so that it can be in two states (unlocked), and a guide rail is fixed on the floor near the side edge of the seat cushion on the axle side in parallel with the seat slide rail, and a guide rail is fixed to the guide rail in parallel with the seat slide rail. A concave arc-shaped arc rail is slidably engaged in the length direction of the guide rail, and a rotation shaft disposed on the side edge of the seat cushion on the axle side is slidably engaged with the arc-shaped rail. A front seat of an automobile characterized in that the seat cushion is assembled so that it can be rolled over and stood up about a rotation axis.