JPH092111A - Rotating seat for automobile - Google Patents

Abstract

PURPOSE: To rotate a seat easily and promptly by fitting a rotating lever which forces spring elasticity against either of two cut grooves for engagement, or is disengaged against the spring elasticity with one end coming into sliding contact with the peripheral edge of a rotating disc. CONSTITUTION: A rotatable disc 8 is fitted on the stationary plate 7 of a vehicle body floor surface 4, a cylindrical element 12 for supporting a seat 3 and positioning its height is secured on the rotating disc 8. The upper end of the cylindrical element 12 is fixed on a metallic plate formed at the back surface of the seat part 3a of the seat 3. Two cut grooves 9 for stopping the rotation of the seat 3 respectively are formed at the peripheral edge of the rotating disc 8. There is provided a rotating lever 10 which forces the elasticity of a spring body 11 against either of the two cut grooves 9 for engagement or is disengaged against the elasticity of the spring element 11 with one end coming into sliding contact with the peripheral edge of the rotating disc 8. It is thus possible to rotate the seat 3 easily and promptly.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention allows a chair to rotate to the side door side by a simple device or mechanism so that a wheelchair user or a disabled person can easily sit in a passenger seat or a rear seat of a vehicle. , Relates to a rotary seat for an automobile that can be rotated to its original position (front side).

[0002]

2. Description of the Related Art A conventional rotary seat for an automobile of this type is
Cylinders and electric mechanisms were used to rotate the seats, and a lift function was installed to allow smooth control of the passengers by operating the remote control.

[0003]

However, the above-described conventional rotary seat for an automobile has a complicated mechanism because it is equipped with a cylinder device, an electric mechanism, a lift function, and a remote control. As a whole, the production cost was high, which was also a cause of the high cost. The present invention has been made in view of the above points, and uses a seat of an existing automobile with a simple mechanism and allows the seat to be easily and quickly rotated, so that a wheelchair user or a foot It is an object of the present invention to provide a rotary seat for an automobile that allows a free person to easily get on and off.

[0004]

In a rotary seat for an automobile according to the present invention, a fixed plate is attached to a floor surface of a vehicle body, a rotatable rotary disk is provided on the fixed plate, and the rotary disk is mounted on the rotary disk. A height-positioning cylinder supporting the seat is fixed, the upper end of the cylinder is fixed to a metal plate installed in the lower part of the seat, and the seat rotates around the periphery of the rotating disk at the front position and the side door position, respectively. Two cutout grooves for stopping are provided, and one end of the cutout grooves is spring-elastically biased against one of the cutout grooves while slidingly contacting the peripheral edge of the rotating disk to resist engagement or spring elasticity. A turning lever for detaching is provided.

Further, two cutout grooves are provided on the periphery of the rotary disk at intervals of about 90 degrees. Further, the rotating lever is formed of a rod-like member, is pivotally mounted in the middle of the rod-like member so as to be rotatable, has an operating handle on one side, and engages the notch groove on the other side, and A spring body such as a spiral spring that elastically presses the rod-shaped body between the pivotally attached portion and the engagement portion toward the groove side is provided.

[0006]

In the state in which the caregiver or the like is seated in the seat of the automobile and grasps the turning lever, and the tip of the turning lever is removed from the notch groove against the spring elasticity by utilizing the lever principle. When a caregiver or the like turns his / her seat to the side door position with his / her waist from the front (front) posture, the tip of the turning lever is elastically pressed by the elastic spring so that the tip of the rotating disc is rotated. The peripheral edge is slidably contacted, and when the seat faces the side door, it is elastically biased and engages with a notch groove provided at another location of the rotating disk. In this state, the caregiver leaves the seat,
It is possible to comfortably seat a wheelchair user, a person with a disability, etc. on the seat rotated to the side door position.
After sitting, the wheelchair user or a person with a disability operates the rotating lever, or the caregiver holds the rotating lever and removes the tip of the rotating lever from the notch groove. Then, the seat on which a person with a disability or the like is seated is turned by the person or a caregiver, and the seat is turned to the front (front). In this state, the tip of the rotary lever engages with the first (original) notch groove.

[0007]

An embodiment of the present invention will be described below with reference to the drawings. 1 is a car body of various types such as sedans and light vans, 2
Is a side door opening of the vehicle body 3, 3 is a seat provided with a backrest 3b at the rear of the seat portion 3a, and 4 is a floor surface of the vehicle body 1. The seat 3 is usually applied to an independent one such as a passenger seat, and can be moved back and forth by a slide lever 5 etc.
For b, an existing one that can be inclined at a predetermined angle is used. A pipe 6a is assembled on the floor surface 4 to form a base frame 6. The base frame 6 is fixed to the vehicle body 1 by welding.
Then, the rectangular fixing plate 7 is attached to the base frame 6 by welding, screwing or the like. As the fixing plate 7, a plate having a plate thickness and strength sufficient to withstand the weight of the seat 3, an impact and the like is used.

A rotatable disc 8 is provided on the fixed plate 7. This rotating disk 8 is a circular fixed plate 8a fixed on a fixed plate 7, and a circular rotary plate 8a attached to the circular fixed plate 8a.
a ball bearing 8c for smoothing rotation between the circular fixed plate 8a and the circular rotary plate 8b.
And so on. Then, notched grooves 9 and 9 are provided at two positions on the peripheral edge of the circular rotary disk 8b forming the rotary disk 8 at intervals of approximately 90 degrees. The positions where the cutout grooves 9 and 9 are provided are determined in consideration of the position where the seat 3 stops rotating when the seat 3 faces the front side (front side) and the side door side by the operation of the turning lever 10 described later.

A rotating lever 10 in the form of a rod is provided at a position below the front part of the seat 3, and the pivot lever 1 is rotatably in the middle of the rod.
It is pivotally attached at 0a, has an operating grip 10b on one of the front lower position sides of the seat 3, and has the other hook 10c that engages with the cutout groove 9 on the other side. A spring body 11 such as a spiral spring is provided on the rod-shaped body between the pivotally attached portion 10a and the hook portion 10c so that the hook portion 10c of the rotary lever 10 normally engages with the notch groove 9 in a resilient state. I have to.

Reference numeral 12 is a circular rotary disk 8 which constitutes the rotary disk 8.
A cylindrical body for height positioning that supports a seat fixed by welding or the like on b. By setting the height of this cylindrical body 12 to a desired height in consideration of the seating height of the user and cutting it, It can be adjusted to the height of. Further, the upper portion of the cylindrical body 12 is cut at the same angle corresponding to the seat portion 3a being arranged at a depression angle with respect to the horizontal. The upper end of the cylindrical body 12 is fixed to a metal plate provided on the back surface of the sheet portion 3a by welding, screwing or the like.

Next, the usage will be described based on examples. A caregiver or the like holds the turning lever 10 in a posture in which the caregiver sits in the seat 3 of the automobile. Using the lever principle, the caregiver etc. front (front) with the hook 10c of the rotating lever 10 removed from the notch 9 of the circular turntable 8a against the elasticity of the spring.
When the seat 3 is rotated to the side door position by using the waist from the posture facing the arrow, the hook portion 10c of the rotation lever is elastically pressed by the spring and the circular rotary disk 8 constituting the rotary disk 8 is rotated.
The peripheral edge of b is slidably contacted, and when the seat 3 faces the side door, it is elastically biased to engage with the notch groove 9 provided at another location of the circular rotary disk 8b.

In this state, the caregiver leaves the seat 3 and
It is possible to comfortably seat a wheelchair user, a person with a disability, or the like on the seat 3 rotated to the side door position. After sitting, the wheelchair user or a person with a disability operates the rotating lever 10, or a caregiver grips the rotating lever 10 and cuts the hook portion 10c of the rotating lever 10. In the state of being removed from the cutout groove 9, the person or a caregiver or the like rotates the seat on which the person with a disability or the like is seated to turn the seat 3 to the front (front). In this state, the hook portion 10c of the rotating lever 10 engages with the first (original) notch groove 9 by utilizing the elastic force of the spring body 11. In short, the rotation lever
The hook portion 10c of 10 engages with the cutout groove 9 in a state of being oriented to either the front side or the side door position.

[0013]

As can be seen from the above description, the present invention makes it possible to rotate the seat simply and quickly by utilizing the existing automobile seat, with a simple mechanism. Therefore, a wheelchair user or a person with a disability can easily get on and off with a simple operation of operating the turning lever. That is, the user only has to engage or disengage the hook portion of the rotating lever with the notch grooves provided at two locations on the peripheral edge of the rotating disk, and there can be expected no malfunction and reliable operation. Moreover, the mechanism of the present invention can be easily incorporated into the passenger seat of an existing vehicle, and it is not necessary to purchase a dedicated expensive welfare vehicle, and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is an explanatory diagram showing a relationship between a rotating lever and a rotating disc.

[Explanation of symbols]

 1 Car Body 2 Side Door Opening 3 Seat 6 Foundation Frame 7 Fixing Plate 8 Rotating Disc 8a Circular Fixed Plate 8b Circular Rotating Plate 8c Ball Bearing 9 Notch Groove 10 Rotating Lever 10a Pivot 10b Grip for Operation 10c Hook Part 11 Spring body 12 Height positioning cylinder

Claims (3)

[Claims] 1. A fixed plate is attached to a floor surface of a vehicle body, a rotatable disc is provided on the fixed plate, and a height-positioning cylindrical body for supporting a seat is fixed on the disc. The upper end of the cylinder is fixed to a metal plate installed in the lower part of the seat, and two cutout grooves are provided on the periphery of the rotating disk to stop the rotation of the seat at the front position and the side door position, and one end is rotated. An automobile provided with a turning lever that is biased by spring elasticity to engage or disengage against the spring elasticity in one of the notched grooves while slidingly contacting the peripheral edge of the disk. Revolving seat. 2. A rotary seat for an automobile according to claim 1, wherein two notched grooves are provided at intervals of approximately 90 degrees on the peripheral edge of the rotary disk. 3. The turning lever is formed of a rod-like body, is pivotally mounted in the middle of the rod-like body so as to be rotatable, has an operating grip on one side, and engages the notch groove on the other side. The rotary seat for an automobile according to claim 1 or 2, further comprising a spring body such as a spiral spring that elastically presses the rod-shaped body between the pivotally attached portion and the engagement portion toward the groove side.