JPS5853611B2 - Seat equipment in passenger and freight vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a seat device for a passenger/freight vehicle.

As described in Japanese Utility Model Publication No. 52-50504 (Fig. 1), the conventionally known seat device has front legs B pivotably attached to a floor surface Aj, and rear legs C that are foldable. After turning D horizontally to the rear, I raised the front leg B along with the front leg to the position of the temporary line.

The defect of the known example shown in FIG. 1 is that when used in a passenger/cargo vehicle, the cushion seat E collides with the engine compartment F and is not pushed forward by the thickness of the seat E.

Therefore, in the present invention, the back seat can be folded backwards like the known one, but the cushion seat is also folded over the top of the back seat so that it can be reversed, so that both seats are placed above the engine compartment. This allows the vehicle to be stored in a large amount of space, leaving a large space inside the vehicle.

To explain with a diagram, reference numeral 1 is a floor surface, a bracket (same as the flange FLANGE) 2 is attached to the floor surface 1, and a front leg 3 having an approximately "shaped" shape when viewed from the side is attached to the bracket 2.
Attach the bottom end of the

A rear leg 4 is foldably attached to the rear end of the front leg 3.

The folding configuration relies on a known mechanism.

The bracket 2 may be attached so as to be slidable in the front-rear direction using an arbitrary sliding mechanism.

That is, between the engine room formed in front of the front legs 3 and the front legs 3, a cushion seat is provided to secure a place for the feet of a person sitting on the seat, but when the front legs 3 are folded forward, The bracket 2 is designed to be slidable back and forth because it is desired to be placed as close to the engine room as possible.

A fixing plate 5 is fixed to a rear position of the upper part of the front leg 3 with a set screw 6.

When viewed from the front side, the fixed plate 5 is formed into a duck shape as shown in FIG. The lower end of the plate 8 is pivoted, and a seat 9 is fixed to the plate 8.

The shaft attachment portion of the plate 8 is formed into a circular latch 10 centered on the shaft 7 (the latch 10 may be a separate member from the plate 8 as shown in FIG. The latch 10 (which is fixed integrally) has an arc-shaped elongated hole 11 centered on the shaft 7, and a pin 12 protruding from the fixing plate 5 is engaged with the elongated hole 11.

The elongated hole 11, together with the pin 12, acts as a stopper by changing the leaning seat 9 between the sitting position and the horizontal reclining position.

The outer peripheral surface of the latch 10 at the base of the plate 8 has approximately 90
A ratchet 15 in which engaging grooves 13 and 14 are formed at different positions and has a pawl 152 that engages with the retaining grooves 13 and 14.
is mounted on a shaft 16.

The ratchet 15 is attached to the fixed plate 5 by a shaft 16 at its intermediate position.

The front end 151 of the shaft 16 protrudes toward the engine room side and forms the pawl 152 on the rear side of the shaft 16, and the rear end protrudes further rearward to form a pawl 152 for another latch.

The front end 151 engages with a manual lever 17 for actuating the ratchet 15, which manual lever 17 is pivoted to the fixed plate 5 by a shaft 18.

A cushion seat rotating plate 19 is mounted on a shaft 20 inside the plate 5.

The position of the shaft 20 is above the road of the shaft 7 and near the pawl 153 of the ratchet 15.

A cushion sheet 21 is fixed to the plate 19.

The plate 19 has a structure in which it is inverted 180 degrees around the axis 20, and when it is inverted 180 degrees, it overlaps the upper surface of the leaning seat 9, which is laid down in a horizontal position.

A latch 22 is fixed to the shaft 20, and a latch 22 is fixed to the shaft 20.
0 rotates 180°, it engages with the pawl 153 at the rear end of the ratchet 15 to prevent reverse rotation.

Since the present invention has the above-described configuration, when the manual lever 17 pivoted on the fixed plate 5 is rotated clockwise in FIG.
4 and frees the latch 10, the seat 9 can be tilted back by 90 degrees around the shaft 7 as shown in FIG.

In FIG. 4, another engagement groove 13 of the latch 10 engages with the pawl 152 of the ratchet 15, and the seat 9 is fixed horizontally.

Next, when the front side of the cushion seat 21 is lifted, since the seat 21 is attached to the cushion seat rotation plate 19 which is pivoted on the shaft 20, it moves upward around the shaft 20 and rotates 1800 times. As a result, as shown in FIG. 5, the already fallen objects are superimposed on the support sheet 9.

Since another latch 22 is attached to the shaft 20, this also rotates, and this latch 22 engages with the pawl 153 at the rear end of the ratchet 15 to prevent reverse rotation and maintain the overlapping state. .

After this state, if you hold the part indicated by the arrow in Figure 2 and move the front gear 3 upwards, the entire engine room will be rotated and retracted to the upper position of the engine room, compared to Figure 1. , inside the car,
The cushion seat allows a wide space of 21 minutes.

The present invention has the above-mentioned structure and function, and in particular, the lower end of the front leg 3 which has a shape when viewed from the side is attached to the flange 2 directly attached to the floor surface 1 or the flange 2 attached to the floor surface 1 so as to be slidable back and forth. A fixing plate 5 is fixed to the rear end of the horizontal part of the front leg 3, and a seat rotation plate 8 is provided on the outside of the fixing plate 5 and is pivoted by a shaft 7. Cushion seat rotation plate 19 inside 5
The rotating plate 19 is mounted on another shaft 20 at a higher position than the shaft 7, and a latch 10 centered on the shaft 7 is fixed to the seat rotating plate 8, and the cushion A latch 22 is fixed to the shaft 20 of the seat rotation plate 19. Both the latch 10 and the latch 22 are provided between the fixed plate 5 and the seat rotation plate 8, and the fixed plate 5 has a ratchet 15. The ratchet 15 has a pawl 152 formed on a part thereof.
Since the seat device for a passenger/freight vehicle is configured such that the latch 10 engages with the engagement groove 13, 14 of the latch 10, and the claw 153 formed on the other part engages with the latch 22, the seat 9 can be reclined. Since both the front legs 3 and the cushion seats 21 can be rotated and stored together with the front legs 3, the seats 9 and 21 can be stored in a position above the engine room, opening up the interior of the vehicle. I can do it.

Also, attach the seat 9 between the left and right seat rotation plates 8, and install the cushion seat 21 between the left and right seat rotation plates 19, and attach the seat 9 between the left and right seat rotation plates 8.
．． A latch 10 is attached to each of the rotating plates 8 and 19 of 21.
, 22 are installed, and the latch 10, 22 is provided with a ratchet that engages the latch 10, 22. In particular, as shown in FIG. When the latch 22 and the pawl 153 are engaged in this manner, the latch 22 and the pawl 153 can withstand running vibrations and are prevented from coming off.

Further, the ratchet 15 is provided with pawls 152 and 153, and one ratchet 15 prevents the two latches 10 and 22 from reversing, so the structure can be simplified.

FIG. 9 shows a second embodiment in which the latch 22 is attached to the fixed plate 5 side and the ratchet 15 is attached to the rotating plate 8 side. In this case, the ratchet 15 moves together with the rotating plate 8. It turns out.

[Brief explanation of the drawing]

Fig. 1 is a folded state diagram of a known seat, and Fig.
3 is a side view of the main parts, FIG. 4 is a state in which the seat is reclined horizontally, and FIG. 5 is a state in which the cushion seat is inverted 1800 degrees. 6 is a longitudinal sectional front view of the main part, FIG. 7 is an exploded view of FIG. 6, FIG. 8 is an overall perspective view, and FIG. 9 is a diagram of a second embodiment. Explanation of symbols: 1...Floor surface, 2...Flange, 3...Front leg, 4...Rear leg, 5...
...Fixing plate, 6... Set screw, 7.
...Axis, 8...Seat rotating plate, 9...Seat resting, 10...Latch, 11...Elongated hole , 12...pin,
13, 14... Engagement groove, 15... Ratchet, 151... Front end, 152...
Claw, 153...Claw, 16...Shaft, 1γ
...Manual lever, 18...Shaft, 19.
...Cushion seat rotation plate, 20...
... shaft, 21 ... cushion seat, 22.
...Latch, A...Floor, B...
・Front legs, C... Back legs, D... Seat to lean on, E... Cushion seat, F...
・Engine room C...Engine room, 2...Base side.

Claims (1)

[Claims] 1 A flange 2 attached directly to the floor surface 1 or a flange 2 attached to the floor surface 1 so as to be slidable back and forth, when viewed from the side.
A fixed plate 5 is fixed to the rear end of the horizontal part of the front leg 3, and a seat rotating plate 8 is provided on the outside of the fixed plate 5. A cushion seat rotating plate 19 is provided inside the fixed plate 5, and the rotating plate 19 is pivoted on another shaft 20 located higher than the axis T, and the seat rotating plate is mounted on the fixed plate 5. 8 has a latch 10 centered on the shaft 7.
and a latch 22 is fixed to the shaft 20 of the cushion seat rotation plate 19, and both the latch 10 and the latch 22 are placed between the seat rotation plate 8 and the fixed plate 5. A ratchet 15 is attached to the plate 5 by a shaft 16, and a part of the ratchet 15 (a pawl 152 formed in this part) is inserted into the engagement groove 13 of the latch 10.
, 14, and a claw 153 formed on the other part engages with the latch 22.