JPS6248632B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the structure of a reclining seat for an automobile.

For example, a conventional reclining seat is shown in Figure 1 (see page 53 of Service Bulletin No. 339 (A-8) published by Nissan Motor Co., Ltd. in August 1970).
There is something like the one shown below. That is, slide rail 1
First, attach the base unit 2 with the built-in to the vehicle body 3 from the vehicle interior 7 side using bolts 4, 5, and 6.
Next, the upper frame 9 of the seat bag 8 is hung on the hook part 10 of the base unit 2, and the bracket 11 protruding from the lower part of the seat bag 8 is fixed to the plate 13 of the base unit 2 with screws 12. A bolt 15 protruding from the front side of the seat cushion 14 is inserted into the front end 16 of the base unit 2 and fixed with a nut 17, and a bracket 18 protruding from the rear side of the seat cushion 14 is hooked to the rotating hinge 19 of the base unit 2. was.

However, such conventional reclining seats have a double structure consisting of the seats 8 and 14 and the base unit 2, and the base unit 2 is fixed to the vehicle body 3, which reduces the cost. was expensive, and it was desired to make it cheaper.

This invention was made by focusing on these conventional problems, and by eliminating the base unit and eliminating the double structure of the seat, it is possible to directly slide the seat cushion back and forth, and the seat cushion is connected to the seat cushion. It is an object of the present invention to solve the above-mentioned problems by making the attachment part of the seat bag attached to the vehicle body removable and vertically slidable.

The gist of this invention is that a seat cushion and a seat bag are rotatably connected, the seat cushion is installed by a link so that it can slide forward and backward relative to the vehicle body, and the seat bag is detachable from the vehicle body and can freely slide up and down. This reclining seat is characterized by being installed in a.

The present invention will be explained below based on the drawings.

2 to 13 are diagrams showing a first embodiment of the present invention.

First, to explain the configuration, a guide rail 20 is provided on the floor 3a of the vehicle body 3 and extends back and forth, and a seat back support member 21 is provided on the support brace 3b.
will be permanently installed. 22 is a seat, a seat cushion 23 and a seat back 24 are connected by a connecting member 25 so as to be freely rotatable back and forth, and the seat cushion 2
3 is attached to the floor 3a by a link 26 so as to be slidable back and forth, and a lock member 27 of the seat back 24 is attached to the seat back support member 21 so as to be removable and slidable up and down. A guide roller 28 protrudes from the lower part of the seat cushion 23 and is installed so as to be slidable back and forth on the guide rail 20. The link 26 is installed over a member 3a that protrudes from the vehicle body 3, and is connected to a bolt 29.
A bar 31 is rotatably supported at its lower end by the bracket 30 and by its upper end by the lower surface 23a of the seat cushion 23.

The guide rail 20 has a groove-shaped space 32 formed in the upper part thereof, in which the guide roller 28 can slide.
Bolts 33 for attaching the guide rail 20 to the vehicle body 3
is a stopper that is the rear end of the movement of the guide roller 28.

The seat back support member 21 has guide pins 41a, 4 separated by the flange 27a of the lock member 27 and biased by a rod spring 40 so as to be able to clamp the neck 27b of the lock member 27.
1b, a lock guide plate 43 into which the guide pins 41a and 41b of the lock rod 41 are respectively inserted, and in which a lock hole 42 having an inclined surface 42a is formed above;
A base plate 47 in which a through hole 44 through which the lock member 27 can be engaged and detached is formed, and a flange 46 having a through hole 46a through which the protruding tongue piece 45 of the lock guide plate 43 is bent is formed.
and a case 48 that supports and surrounds the lock guide plate 43 on the base plate 47. Reference numeral 49 denotes an operation knob fixedly attached to the protruding tongue piece 45 of the lock guide plate 43;
Due to the coiled spring 50 wound around the
The operation knob 49 is always urged upward, so that the guide pins 41a, 41b of the lock rod 41 are pressed against the horizontal surface 42b of the lock hole 42 of the lock guide plate 43. 51, 52
are relief holes formed in the lock guide plate 43 and the case 48 to prevent interference of the lock member 27. 53 and 54 are lock rods 41 formed on the base plate 47 and the case 48, respectively.
These are guide holes for guide pins 41a and 41b.
Reference numeral 55 indicates a tongue piece for fixing the lock guide plate 43 cut out from the case 48, and reference numeral 56 indicates a lock guide plate 43 protruding from the base plate 47.
It is a protrusion. 57 are guide pins 41a, 41b
58 is a hole for inserting a bolt 33a through which the seat back support member 21 is firmly fixed to the support brace 3b by the bolt 33a.

Reference numeral 60 denotes a reclining adjustment device shown in FIGS. 8 and 9, which includes an operating lever 62 rotatably supported by a bent portion 61 of the bar 31 of the link 26 near the left and right center of the vehicle, and a reclining adjustment device fixed to the member 3a. a stopper plate 64 having a plurality of teeth 63 on the front and rear; and a reclining lock supported by the operating lever 62 and having a free end 65 capable of engaging with any of the teeth 63 of the stopper plate 64. The free end 6 of the reclining lock pin 66 is wrapped around the bent portion 61.
5 consists of a coiled lock spring 67 that urges a lock pin 66 and/or operating lever 62 so that it engages with teeth 63. 68 is a knob of the operating lever 62.

Next, the assembly order will be explained.

First, attach the guide rail 20 and the seat back support member 21 to the vehicle body 3 using the bolts 33 and 33.
Install with a.

Next, the roller 28 is inserted into the guide rail 20, and then the bracket 30 is attached to the vehicle body member 3a with bolts 29. At this time, the free end 65 of the lock pin 66 of the reclining adjustment device 60 is engaged with the teeth 63 of the stopper plate 64.

Next, the seat back 24 is raised, and the lock member 27 attached to the back of the seat back 24 is placed in the first position on the seat back support member 21 attached to the vehicle body 3.
When pressure is applied to insert it from the solid line position in Figure 0 to 27' indicated by the two-dot chain line, the flange 27a of the locking member 27 pushes the distance between the locking rods 41, 41 wider against the rod spring 40 and enters the lock. The neck portion 27b of the member 27 is clamped and fixed by the lock rods 41, 41 by the biasing force of the rod spring 40.

Next, the operation will be explained.

In this assembled state, the operating lever 62 is rotated in the direction of the arrow in FIG. 9 to separate the free end 65 from the teeth 63 of the stopper plate 64. The seat cushion 23 is rotatable about the bracket 30 of the link 26 as shown in FIG.
Reattachment of the free end 65 to either of the seat cushions 23 fixes the position of the seat cushion 23. At this time, the movement of the seat cushion 23 causes the seat bag 24 to slide upward or downward as shown in FIG. 12, and the locking member 27 slides along the locking rod 41 and is not released.

Next, when the seat bag 24 is to be tilted forward, by pushing down the operation knob 49, the guide pins 41a and 41b of the locking rod 41 are moved in accordance with the upper slope 42a of the locking hole 42 of the locking guide plate 43 as shown in FIG. The distance between the lock rods 41 increases as the lock members 27 are guided in the opposite direction, ie, against the rod springs 40, and the lock members 27 are released from the seat back support member 21. In this way seat bag 24
If this can be moved forward, the trunk room 70 and the interior room 7 will be communicated with each other.

FIG. 14 shows a second embodiment of the present invention, which differs from the first embodiment mainly in the vehicle body 3 of the seat back 24.
This is the mounting structure.

That is, a pin 80 protruding from the side of the seat bag 24 can be engaged with an upwardly directed insertion opening 82 of a seat bag support member 81 fixed to the vehicle body 3.

Therefore, the order in which the seat 22 is attached to the vehicle body 3 is to first engage the pin 80 with the insertion opening 82 of the seat back support member 81, then engage the guide roller 28 with the guide rail 20, and then attach the bracket 30. is fixed to the member 3a of the vehicle body 3 with bolts 29.

The operation of this structure is the same as that of the previous embodiment, and as the seat cushion 23 moves back and forth (there is also some up and down movement), the pin 80 of the seat back 24
However, it slides either up or down inside the insertion opening 82.

FIG. 15 shows a third embodiment of the present invention, which, like the second embodiment, differs from the first embodiment mainly in the structure for attaching the seat bag to the vehicle body.

That is, 90 is a seat back support member attached to the seat back 24 in advance. This support member 90 includes a pin 91 protruding from the side of the seat back 24, and a slide plate 92 arranged to engage with the pin 91 in a vertically slidable manner.
and a bracket 94 that projects rearward from the slide plate 92 and is fixed to the vehicle body 3 with bolts 93. 95 is a bolt cover that covers the bolt 93.

According to this embodiment, when the seat cushion 23 is slid back and forth, the seat bag 24 moves up and down on the slide plate 92.

As explained above, according to this invention,
The seat cushion is configured to be able to slide forward and backward, and the seat bag connected to the seat cushion can be attached to and removed from the vehicle body and can be slid up and down, so this seat does not require a base unit like conventional ones. Since it is possible to eliminate the double structure without having to do so, it has the effect of reducing weight and manufacturing costs. Furthermore, if the seat back can be folded forward, an effect can be obtained in that the vehicle interior and the trunk room can communicate with each other.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional explanatory diagram of a conventional seat, FIG. 2 is a cross-sectional explanatory diagram of a seat according to a first embodiment of the present invention, and FIG. 3 is a perspective explanatory diagram of a guide rail 20 and a guide roller 28 of the present invention. , FIG. 4 is an exploded perspective explanatory view of the seat back support member 21 of the present invention,
FIG. 5 is a partially broken front explanatory view of the support member 21, FIGS. 6 and 7 are cross-sectional views taken along lines - and - in FIG. 5, and FIG. A perspective explanatory view, FIG. 9 is a side explanatory view of the reclining adjustment device 26, and a tenth
The figure shows a lock member 27 and a seat back support member 21.
11 is an explanatory diagram of the operation of the seat 22 of the present invention, FIG. 12 is an explanatory diagram of the operation showing that the locking member 27 slides up and down with respect to the locking rod 41, and FIG. 13 is an explanatory diagram of the operation of the seat 22 of the present invention. FIGS. 14 and 15 are explanatory views of the operation of releasing the locking member 27 of the seat bag support member 21, and are explanatory views of the second and third embodiments of the present invention regarding attachment of the seat bag to the vehicle body. 20... Guide rail, 21, 81, 90... Seat back support member, 22... Seat, 23... Seat cushion, 24... Seat back, 25... Connection member, 26... Link.

Claims (1)

[Claims] 1. The rear part of the seat cushion and the lower part of the seat back are rotatably connected, and the front end of the seat cushion can be freely adjusted in front and back sliding by a link, and is removably supported by the vehicle body, and the rear end of the seat cushion is engaged with a guide rail so as to be slidable as the front end portion slides, and the seat back is engaged with a seat back support member fixed to the vehicle body so as to be slidable up and down as the seat cushion moves back and forth. A reclining seat characterized in that the seat back is removable from the seat back support member.