JP2530224Y2 - Automatic rotating device for rotating stools for vehicles - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a rotating stool installed in a vehicle, and in particular, to automatically change the direction of a stool by automatically rotating forward or backward by remote control. The present invention relates to an automatic rotating device for a vehicular rotary stool that can be used.

[Conventional technology]

Conventionally, in this type of rotary stool, a stopper pin which is always held upward by a spring tension and which can be lowered by pedal operation is provided on a side portion of the footrest. There has been proposed a means for preventing the rotation of the rotating frame by inserting it into an engaging hole provided in common with the frame.

Since this type of rotating stool can be used by passengers by freely changing the direction of the stool by manual operation, the direction of the stool is changed to the traveling direction at the first station, and the orientation of the stool is not uniform individually. If so, they must all be aligned in the same direction.

[Problems to be solved by the invention]

However, the work of aligning the orientation of the rotating stool,
Conventionally, input is often relied on manually, and conversion is performed manually one leg at a time, so that a lot of time and effort are required for rearranging the vehicle. Therefore, a driving machine is fixed to the rotating frame, a sprocket is mounted on the rotating shaft of the driving machine, and its teeth are projected from the lower surface of the rotating frame, and the leg is engaged with the projecting portion of the sprocket. There has also been proposed a means for fixing a receiving plate having a large number of holes aligned in an arc shape and automatically rotating the rotating frame. However, this type of rotating means requires that the teeth of the sprocket do not accurately mesh with the large number of holes formed in the receiving plate. There has been a problem that, due to wear, poor meshing occurs, and the direction of the rotating stool cannot be changed smoothly.

Also, in order to automatically release the stopper pin from the engaging hole provided in common with the rotary frame and the footrest, a large electric capacity is required in the case of using a solenoid. In order to operate the cam, there is a problem that the solenoid itself is large and the weight of the coil becomes heavy.

The present invention has been made in view of the above problems,
An object of the present invention is to provide an automatic rotating device for a rotating stool for a vehicle, which has a simple structure, can surely rotate the stool, has high durability, and has a simple structure of a stopper pin.

[Means for solving the problem]

In order to achieve the above object, the automatic rotating device for a rotary seat for a vehicle according to the present invention is provided with a rotating frame on which a seat cushion is placed and fixed so as to be rotatable on a footrest. A stopper pin, which is maintained in an upward trend by the action and can be lowered by operating the pedal, is inserted into an engaging hole which is provided in common with the above-mentioned rotary frame and the leg base to prevent rotation of the rotary frame. In a rotary seat for a vehicle equipped with a mechanism for performing the following, a motor is fixed to a substantially central portion of the rotating frame, a driving wheel made of a rubber tire is attached to a rotating shaft of the motor, and a bottom portion of the driving wheel is attached to the rotating frame. An electric motor that projects from the lower surface, and on the upper surface of the footrest, fixes a receiving plate that is in contact with an arc or a circle so as to fit the bottom of the protruding drive wheel, and a stopper pin is provided with a motor that directly lowers the receiving plate. Fixed and operate this motor remotely. It is an Abstract by being configured so as to.

Further, the unlocking of the stopper pin and the rotation of the driving wheel may be simultaneously operated.

[Action]

According to the above configuration, when the pedal held in a constantly rising tendency is depressed, the head of the stopper pin escapes from the engaging hole provided in common with the leg base and the rotating frame, and the engagement between the two is stopped. To release. Therefore, the rotating underframe must be manually
It can be rotated 0 degrees and its direction can be changed individually.

Also, the stopper pin can be easily escaped from the engagement hole by remotely operating the electric motor, and when the electric motor is driven to rotate the rotating underframe on the footrest, the driving wheel made of a rubber tire is received. By rotating on the board smoothly and rotating the rotating stool, it is possible to simultaneously and automatically change the directions of all the vehicle rotating stools installed in one vehicle or one set of vehicles. .

In particular, in the conventional sprocket, the positions of the teeth and the holes in the receiving plate do not mesh with each other, resulting in poor rotation, and the teeth of the sprocket abraded the holes and made it impossible to rotate. With the drive wheel made of the rubber tire according to the present invention, such a rotation failure of the rotary underframe or rotation failure is not caused.

〔Example〕

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of an automatic rotating device for a rotary seat for a vehicle according to the present invention will be described with reference to the drawings.

FIG. 1 and FIG. 2 show a rotary seat constituting the automatic rotating device according to the present invention.

Reference numeral 1 denotes a footrest, and 2 denotes a rotary frame rotatably mounted on the footrest 1, on which a seat cushion 3 is mounted and fixed. A pedal 4 is arranged at a lower portion of the footrest 1, one end of the pedal 4 is rotatably supported in a vertical direction, and an end tread portion is projected outward from a side surface of the footrest 1. The stopper pin 5 is erected on the upper side.

3 and 4 (a) and (b) show an automatic rotating device according to the present invention.

The stopper pin 5 is provided at a position where the direction of the rotary seat 6 is set to the forward or rearward direction.
And a coil spring 7 mounted on a stopper pin 5 between the upper surface of the footrest 1 and the pedal 4.
, The head 5a penetrates into engaging holes 8 and 9 which are commonly provided in the frame 2a of the footrest 1 and the rotary base frame 2. A flange 10 is formed on an upper portion of the stopper pin 5, and a crank-shaped unlocking metal fitting 11 having a crank shape and pressed downward from above is disposed on the flange 10. The unlocking bracket 11 moves up and down via a cam 13 operated by an electric motor 12, and a flange of the stopper pin 5.
By pressing down 10, the stopper pin 5 can be lowered. That is, the stopper pin 5 can cause the head 5a to escape from the engagement holes 8 and 9 by the stepping down operation of the pedal 4 or the electric operation by the electric motor 12.

In addition, the engaging holes 9 on the rotating frame 2 side are turned to the left and right symmetric positions on the rotating frame 2 so as to change the direction of the rotating seat 6 forward or backward and fix the rotating frame 2 at each position. Each is provided.

Reference numeral 14 denotes an electric motor arranged substantially at the center of the rotating frame 2. The electric motor 14 is for rotating the rotary frame 2 on the footrest 1, and is preferably a reversible motor having a built-in speed reducer and capable of rotating in both forward and reverse directions. The front-rear direction of the electric motor 14 is
It is fixed horizontally so that its rotating shaft 15 extends along the radial direction of the rotating circumference of the rotating frame 2, and a rubber tire 16 serving as a driving wheel is attached to its tip. The rubber tire 16 drives the rotating frame 2 to rotate.
A part of the bottom surface portion 16a is projected downward from a hole 17 opened in the rotating frame 2 and is brought into contact with the upper surface of a rotation operation receiving plate 18 fixed to the upper surface of the leg base 1. Thus, the rubber tire 16 is slidably rotated on the receiving plate 18, and relatively rotates the rotary frame 2 in a predetermined direction. When the electric motor 14 for rotating and driving the rubber tire 16 is configured to have a forward / reverse rotation function, the rotation / rotation 6 can be rotated forward or backward even if the direction of the rotating seat 6 is uneven in the forward or backward direction. Can be aligned in one direction.
A switch 19 for stopping the rotation of the electric motor 14 is provided at a fixed position of the rotating frame 2. Therefore, when the direction of the rotary stool 6 has already been directed to the target direction by manual operation, the operation circuit is open, so that the electric motor 14 does not rotate and maintains the state.

Reference numeral 20 denotes a stopper protruding downward from both ends of the lower surface of the rotary base frame 2 in order to prevent excessive rotation of the rotary seat 6, and 21 is provided on the upper surface of the leg base 1 in contact with the stopper 20. This is a plate-shaped buffer spring.

As shown in FIG. 2, a reclining device for the backrest 22 can be incorporated in the rotary seat according to the present invention.
Therefore, in this case, the recliner 22 in the reclining state is returned to the normal position prior to the rotation of the rotating frame 2, and the rotating 22 of the rotating stool 6 disposed in front and back comes into contact with the rotating frame 2 to rotate the rotating frame 2. It is necessary to configure so as not to prevent rotation. That is, reference numeral 23 denotes a seat lock which is stretched between the lower end of the backrest 22 and the rotating frame 2, and by operating the lever 24, the plunger of the seat lock 23 engaged with the tip of the seat lock is pushed. Seat lock by gas pressure
23 is extended to return the backrest 22 to the normal position.

The stopper pin 5 may be configured so that the lever 24 and the rod of the seat lock 23 are connected by a cable 25 so that the reclining release operation of the backrest 18 can be linked with the descending operation of the stopper pin 5. it can.

When operating the rotary stool 6 according to the present invention, first, the motor 12 is driven to lower the stopper pin 5 and its head 5a.
Are engaged with the engaging holes 8 and 9 which are provided in common to the footrest 1 and the rotating frame 2.
Cushion spring attached to the window side of the footrest 1
21 applies a repulsive force to the rotating frame 2 to facilitate initial rotation. At the same time or prior to this, after the backrest 22 is returned to the normal use position, the electric motor 14 and the like may be driven to rotate the rotary frame 2 on the footrest 1. Thus, as shown in FIGS. 5 (a) and 5 (b), the rotating seat 6 gradually changes its direction from the stop position (FIG. 5 (a)) by the rotation of the drive wheel 16 (FIG. 5 (a)). FIG. (A)), the direction conversion of 180 degrees is completed.

[Effect of the invention]

Since the automatic rotating device for a rotary stool for a vehicle according to the present invention is configured as described above, since the driving wheels made of rubber tires are used for driving the rotation of the rotating frame, the rotating stool can be securely rotated with a simple structure. Can be rotated.

In addition, because of the configuration of the driving wheel and the receiving plate made of rubber tires, the durability is high and the weight can be reduced,
The practical effect after implementing the present invention is extremely large, for example, no metallic noise is generated during rotation.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing a rotary seat for a vehicle constituting an automatic rotating device according to the present invention, FIG. 2 is a partially cutaway side view thereof, and FIG. 4 (a) and 4 (b) show the vertical movement of the stopper pin, (a) is an enlarged sectional view showing a state before the stopper pin is unlocked, and (b) is an enlarged sectional view showing the state before the stopper pin is unlocked. 5A and 5B are enlarged sectional views showing a state after the stopper pin is unlocked, and FIG. 5A and FIG. 5B show an operation state of the rotating frame with respect to the footrest, and FIG. 5A shows a state before rotation. FIG. 4B is a main part enlarged plan view showing a state in the middle of rotation. DESCRIPTION OF SYMBOLS 1 ... Leg stand, 2 ... Rotating base frame 4 ... Pedal, 5 ... Stopper pin 7 ... Spring, 8, 9 ... Engagement hole 12 ... Electric motor, 14 ... Electric motor 15 ... Rotating shaft, 16 …… Drive wheels

Claims (2)

(57) [Scope of request for utility model registration] 1. A rotary underframe for mounting and fixing a seat cushion is rotatably mounted on a footrest, and the side of the footrest is always kept in an upward tendency by the action of a spring and can be lowered by operating a pedal. In a vehicle rotary stool comprising a mechanism for preventing a rotation of the rotary frame by inserting a stopper pin into an engaging hole provided in common with the rotary frame and the leg base, An electric motor is fixed to a substantially central portion, and a driving wheel made of a rubber tire is attached to a rotating shaft of the electric motor. A bottom portion of the driving wheel is made to protrude from a lower surface of the rotating frame, and the driving The receiving plate is fixed in contact with the bottom of the wheel so as to be in contact with the arc or the circumference, and a motor for directly lowering the stopper is fixed to the stopper pin, so that the motor can be operated remotely. Automated rotary seat for vehicles Rolling equipment. 2. The automatic rotation device for a rotary seat according to claim 1, wherein the unlocking of the stopper pin and the rotation of the driving wheel are simultaneously operated.