JPH0228983Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a door interlocking device for a rotary seat that is installed in the interior of an automobile so that it can rotate and change direction between the front and the entrance/exit side.

"Prior Art" In order to make it easier to get on and off a car, a rotatable seat has been proposed that always faces the front and faces towards the doorway when getting on and off. In Japanese Patent Application No. Sho 58-26746 or Sho 58-26747, a rotary seat that rotates by a predetermined angle was proposed as a seat direction changing device.

With such a rotating seat, the seat is held in front while the car is in motion and can be rotated only when it is necessary to get on and off the vehicle, and when getting off the vehicle, the seat facing the entrance and exit interferes with the door when closed. If the seat protrudes to a certain extent, it is necessary to turn the seat toward the front to avoid interference before closing the door, and if these operations had to be performed by a person each time, the operations would be extremely complicated and difficult to use. If the operation is incorrect, it may collide with the seat when the door is closed, causing damage to either of them.In order to make effective use of the rotating seat, it is desirable that each of the above operations be performed automatically when getting on and off the vehicle. .

``Purpose of the invention'' The present invention was made based on the above-mentioned background, and provides a door interlocking device for a rotating seat that automatically operates in conjunction with the door so that the seat is suitable for getting on and off when getting on and off. The purpose is to

``Structure of the invention'' In order to achieve the above object, the invention provides a door interlocking device for a rotating seat installed in the interior of an automobile so that the direction can be changed between the front direction and the entrance/exit direction. A spring that urges the seat to rotate toward the entrance/exit is stretched between the rotationally moving part of the seat and the vehicle body, so that when the door is closed, it faces toward the entrance when the door is opened. The seat is rotated to the front side in conjunction with the door against the biasing force of the spring, and the seat is restrained to the front when the door is fully closed, and when the door is opened, an idle stroke is formed and the spring is rotated. A control cable that enables the seat to rotate in the direction of the entrance/exit by an urging force is connected to the door at a portion that is tightened when the door is closed, and is disposed between the seat and the door. This is a door interlocking device for the seat.

When the door is closed, the control cable pulls the seat forward from the entrance to prevent it from interfering with the door, and when the door is fully closed, the control cable prevents the seat from rotating toward the entrance. .

During the door opening operation, the control cable loosens and creates an idle stroke when the door is fully opened, and the seat is not restricted by the control cable and can rotate in the direction of the entrance with the help of the biasing force of the spring. be.

“Embodiment” An embodiment of the present invention will be described below based on the drawings. In this embodiment, in addition to operating the rotational position of the seat, the lock mechanism can also be linked to the opening and closing of the door.

1 to 4 show an embodiment of the present invention, in which a seat A is installed in a vehicle body B so as to be rotatable in the front direction shown by a solid line and in the direction of the entrance and exit shown by a dashed-dotted line via a rotation mechanism 10. and door C is adjacent to seat A.
is provided.

The rotation mechanism 10 is similar to that proposed in the aforementioned Japanese Patent Application No. 58-26746, and includes a rear member 11,
A vertical frame 13 installed between the front member 12, the rear member 11, and the front member 12 is fixed to the lower surface of the seat A, and forms a rotating part on the seat A side.

The rear member 11 is pivotally supported on a support bracket B1 fixed to the vehicle body B so as to be rotatable around a horizontal axis and a vertical axis.
A tilting arm 16 whose both ends are pivotally supported is provided on a seat side pivot bracket 14 fixed to the lower surface of the vertical frame 13 and a vehicle body side pivot bracket 15 fixed on the vehicle body B. Holding brackets B2 and B3 on which the front member 12 is placed when seat A faces toward the front or the doorway, and holding bracket B4 on which the front member 12 is placed when seat A faces toward the doorway are attached to the vehicle body B. It is permanently installed.

Lock mechanism 20 for regulating seat A in the front direction
is provided at the front of seat A.

That is, a groove-shaped right locking bracket 21 is fixed to the lower surface of the front member 12 on the right side of the seat A, and a left locking bracket 22 of the same shape is fixed to the lower surface of the left side of the front member 12. On the vehicle body B side, the right latch member 23 that engages and disengages with the groove of the right locking bracket 21 is pivoted to the holding bracket B2, and the left latch member 2 that engages and disengages with the groove of the left locking bracket 22.
4 is pivotally mounted on the retaining bracket B3.

The structures on the left and right sides are almost the same, and to explain the structure on the left side in detail with reference to FIG. The engaging end 24a of the left latch member 24 is movably supported, and the engaging end 24a of the left latch member 24 is inserted into and engaged with the groove of the left locking bracket 22 when the seat A is facing the front direction, and is engaged with the groove when the seat A is rotated by a predetermined angle. It is set in a positional relationship that allows it to be removed from the

The engaging end 23a of the right latch member 23 is also set in a similar positional relationship with respect to the groove of the right locking bracket 21, and as can be seen in FIG. Latch member 23
The operating end 23b of the left latch member 24 is interlocked with the operating end 23b of the left latch member 24 by a connecting rod 26.
A spring 27 is tensioned between the left latch member 24 and an L-shaped bracket B5 fixedly attached to the vehicle body B. The spring 27 urges the left latch member 24 to the locked position.

A lock interlocking device 30 is interposed between the lock mechanism 20 and the door C.

That is, a control cable 31 is disposed between the lock mechanism 20 and the door C, and an end 32a of the outer casing 32 of the control cable 31 on the lock mechanism 20 side is connected to the vehicle body near the left latch member 24 of the lock mechanism 20. The end portion 32b on the door C side is fixed to the vehicle body B near the pivot end C1 of the door C.

As shown in Figure 2, the control cable 3
The distal end 33a of the inner cable 33 on the locking mechanism 20 side is connected to the operating end 24b of the left latch member 24 on the opposite side to the side to which the connecting rod 26 is connected.
The end portion 3 of the inner cable 33 on the door C side is connected via a trunnion pin 34 pivotally connected to the
3b is inserted into the connecting groove C3 of the connecting bracket C2 fixed to the lower end corner of the pivot end C1 of the door C, and is prevented from coming off by crushing 33c from the back side, as shown in FIGS. 1 and 3. are connected.

The positional relationship between the end 32b of the outer casing 32 and the tip 33b of the inner cable 33 is as follows:
When the door C is opened, the inner cable 33 is set to be pulled out from the outer casing 32 by pulling the tip 33b, and the amount of the inner cable 33 to be fed out is determined by the tip 33a of the inner cable 33 on the locking mechanism 20 side when the door C is fully opened. The locking mechanism 20 is set to such an extent that it can be unlocked by operating the locking mechanism 20. Further, a coil spring 35 is stretched between the end 32a of the outer casing 32 on the locking mechanism 20 side and the crushing portion 33d fixed to the inner cable 33 to expand both and prevent the inner cable 33 from slackening. ing.

The rotation interlocking mechanism 40 that links the opening and closing of the seat A and the door C mainly includes a control cable 41 disposed between the rotation part of the seat A and the door C.
It is made up of.

That is, the outer casing 42 of the control cable 41 is located near the right side of the rear member 11 fixed to the lower surface of the seat A, which is the part that moves backward when the seat A rotates from the front direction toward the entrance/exit. The end 42a on the seat A side is the vehicle body B
An end 42b of the outer casing 42 on the door C side is fixed to the vehicle body B near the pivot end C1 of the door C.

As shown in Figure 4, the control cable 4
The tip 43a of the inner cable 43 of No. 1 on the seat A side is inserted into the locking groove 44a of the connection bracket 44 fixed to the rear member 11, and is prevented from coming off by the bite 43b on the back side, so that it can only move in the pulling direction. communicably connected to the rear member 11;
As can be seen in FIG. 3, the end portion 43c of the inner cable 43 on the door C side is connected to the connecting bracket C2.
It is connected to the door C via a trunnion pin 45 pivotally attached to the lower part of the door C.

Further, between the vertical frame 13 fixed to the lower surface of the seat A and the holding bracket B4 fixed to the vehicle body B on the side of the seat A, there is a spring that biases the seat A to rotate toward the entrance/exit side. 48 is installed.

End 42 of the outer casing 42 on the door C side
b and the tip 43c of the inner cable 43 is such that when the door C is fully closed, the inner cable 43 is pulled out from the outer casing 42 and the connecting bracket 44 is pulled out through the locking groove 44a on the seat A side. , the seat A is rotated to the front side until the tilting arm 16 of the rotation mechanism 10 is almost upright, and when the door C is fully closed, the inner cable 43 is pulled in and tensioned, and the door C
When the door C is fully closed, the seat A is restrained to the front, and when the door C is opened, the tip 43c is no longer pulled and returns to the opposite direction, and the inner cable 43 is connected to the connecting bracket 44.
It is set so that the seat A can be rotated in the direction of the entrance/exit by being extended out on the side to form an idle stroke. Further, a coil spring 47 is stretched between the end 42a of the outer casing 42 on the seat A side and the bite 43d fixed to the inner cable 43 to spread the two and prevent the inner cable 43 from slackening. There is.

In the door interlocking device for a rotating seat having the above configuration, when getting off the vehicle with the seat A facing the front and the door C fully closed, when the door C is opened, the lock interlocking device 30 locks the inner cable 33 of the control cable 31. The tip 33b of is pulled,
As a result, the tip 33a is pulled on the locking mechanism 20 side, and the left latch member 24 is rotated in the unlocking direction against the biasing force of the spring 27, and the connecting rod 26 is rotated.
The right latch member 23 is also rotated in the unlocking direction via the locking mechanism, and the engaging end 23a is disengaged from the right locking bracket 21, and the engaging end 24a is disengaged from the left locking bracket 22, so that the lock is released.

This makes it possible to lift the front member 12, which is the front part of the seat A, and the seated person or the attendant pushes the backrest of the seat A backwards and reclines it a little to raise the front part. As a result, the raising arm 1
6 stands up with the vehicle body side pivot bracket 15 as the center, and the vehicle body side pivot bracket 15 is fixed to the vehicle body B, so the front part of the seat A moves relatively toward the entrance/exit side and the seat A rotates.

On the other hand, in the rotation interlocking mechanism 40, when the door C is opened, the leading end 43c on the door C side is no longer pulled and returns to the opposite direction, allowing the inner cable 43 to move within the outer casing 42 toward the seat A side, and the leading end 43c
3a is let out and an idle stroke occurs in the inner cable 43, which no longer restricts the connection bracket 44, so that the seat A can rotate toward the entrance/exit side. The extent of the rotation corresponds to the degree of opening of the door C, and unless the door C is fully opened, the seat A cannot be completely turned over in the direction of the entrance/exit. That is, when the seat A is rotated toward the entrance/exit side when getting off the vehicle, the seat A does not rotate significantly first and interfere with the door C.

When the door C is fully opened, the rotation interlocking mechanism 40 no longer restricts the seat A, so the seat A tries to reverse toward the entrance/exit with the help of the biasing force of the spring 46, and the folding arm 16 moves the seat A from the upright position. When seat A is facing forward, it is tilted to the opposite side.
rotates in the direction of the entrance/exit, and the degree of opening of the door C and the rotation of the seat A are linked to form a state in which the seat A is turned toward the entrance/exit and facilitates getting off the vehicle without requiring any special operation. Ru.

When the seated person closes the door C after getting off the vehicle, the tip 43c of the inner cable 43 on the door C side is pulled, which pulls the connection bracket 44 via the tip 43a on the seat A side. The seat A is rotated toward the front side against the biasing force of the spring 46, and when the door C is fully closed, the folding arm 16 is returned to the front side to a position where it almost stands up.
Door C can be closed without interfering with At this time, there is no occupant in seat A, and the front member 12, which is the front part, is floating, so the lock mechanism 2
0 is still in the released state.

Next time you get on the train, when you open the door C, the rotation interlocking mechanism 40 acts to open the seat A, and the biasing force of the spring 46 acts to open the seat A.
rotates toward the entrance/exit, assumes a position where it is easy to take a seat, and waits for a passenger to take a seat.

After being seated, the seated person or their caregiver will move to Seat A.
When the front part of the vehicle is lifted and the raising/lowering arm 16 is erected, and the seat A is rotated in the front direction opposite to when getting off the vehicle, the rotation interlocking mechanism 40 does not restrict the seat A in this direction. , the seat A can be easily rotated and reversed in the front direction.

When closing door C, if door C is fully closed while seat A has not yet rotated in the front direction, seat A will be pulled by the inner cable 43 and will move to the front side to the extent that it will not interfere with door C. If the seat A is already facing in the front direction, the rotation interlocking mechanism 40 does not operate.

On the other hand, when the seated person or the attendant closes the door C, the lock interlocking device 30 locks the inner cable 3
The tip 33b on the door C side of No. 3 is no longer pulled and returns to the opposite direction, thereby causing the tip 3 on the locking mechanism 20 side.
3a is returned, the left latch member 24 returns to the locked state due to the biasing force of the spring 27, and the right latch member 23 also returns to the locked state via the connecting rod 26. It is regulated that it cannot be rotated as long as it is there.

Further, when the door C is fully closed, the inner cable 43 is pulled in and tensioned, and in addition to the locking mechanism 20, the seat A is restrained in front.

In the above embodiment, the rotation mechanism 10 proposed in Japanese Patent Application No. 58-26746 is used, but it goes without saying that other rotation mechanisms may be used. The design of 40 will be changed accordingly.

"Effect of the invention" According to the door interlocking device for a rotating seat according to the invention, the rotation of the seat and the opening/closing of the door are rationally linked, so there is no need to consciously operate the seat when getting on and off. The seat makes it easy to get on and off the vehicle, and not only able-bodied people but also elderly and disabled people can easily get on and off the vehicle, allowing them to use the vehicle effectively.

[Brief explanation of drawings]

1 to 4 show an embodiment of the present invention, in which FIG. 1 is a perspective view of the door interlocking device, FIG. 2 is a sectional view taken along the line shown in FIG. 1, and FIG. A line sectional view, FIG. 4 is a line sectional view taken from FIG. 1. A... Seat, B... Vehicle body, C... Door, 10
... Rotation mechanism, 20 ... Lock mechanism, 30 ... Lock interlocking device, 40 ... Rotation interlocking mechanism, 31, 4
1...Control cable.

Claims (1)

[Scope of Claim for Utility Model Registration] A door interlocking device for a rotating seat installed in the interior of an automobile so that the direction can be changed between the front and the entrance/exit. A spring that urges the seat to move is stretched between a rotationally moving part of the seat side and the vehicle body, and when the door is closed, the seat, which faces the entrance and exit direction when the door is opened, is applied to the urging force of the spring. The seat is rotated to the front side in conjunction with the door, and when the door is fully closed, the seat is restrained to the front, and when the door is opened, an idle stroke is formed and the biasing force of the spring moves the seat toward the entrance/exit. 1. A door interlocking device for a rotating seat, characterized in that a control cable capable of rotating the seat is disposed between the seat and the door and is connected to the door at a portion that is tightened when the door is closed.