Detachable Wheelchair

Abstract

A detachable wheelchair for the disabled people is provided. The wheelchair is composed of a seat, a right wheel frame, and a left wheel frame. The seat is composed of a seat frame and a seat cushion. Two hollow shafts and one fixing nut are installed on the left-hand and right-hand side of the seat frame respectively. Two positioning shafts and one fixing bolt are arranged on the right and left wheel frame respectively. The positioning shafts on the wheel frames can be inserted into the hollow shafts on the seat frame, and the bolts can be screwed into the nuts. After the left and right wheel frames are fixed firmly onto the seat frame, they are assembled into a wheelchair.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 illustrates a combination diagram of the present invention;

FIG. 2 illustrates a decomposition diagram of the present invention;

FIG. 3 illustrates a diagram of the configuration of the right wheel frame and the seat frame of the present invention;

FIG. 4 illustrates a diagram of the configuration of the left wheel frame and the seat frame of the present invention;

FIG. 5 illustrates a diagram of the assembly of the seat frame, the right and the left wheel frame of the present invention

FIG. 6 illustrates a diagram before the assembly of the lifting mechanism and the present invention;

FIG. 7 illustrates an enlarged diagram of detailed configuration relationship of the linkage pins and the linkage recesses;

FIG. 8 illustrates a diagram of detaching the wheel frames of the present invention;

FIG. 9 illustrates a diagram of converting the wheelchair of the present invention into a welfare vehicle seat;

FIG. 10 illustrates a diagram of the configuration of the right fixing sleeve ring and the fixing notch of the present invention; and

FIG. 11 illustrates a diagram of the configuration of the left fixing sleeve ring and the fixing notch of the present invention.

Claims

1. A detachable wheelchair, comprising: a seat, comprising a seat frame and a seat cushion, wherein said seat cushion is disposed upon said seat frame and said seat frame comprising a central fixing module;a right wheel frame, comprising a right wheel assembly and a detachable right fixing module, pivoting on said right wheel frame; anda left wheel frame, comprising a left wheel assembly and a detachable left fixing module, pivoting on said left wheel frame,wherein said detachable right fixing module is able to be fixed to or detachable from the right-hand side of said central fixing module while said detachable left fixing module is able to be fixed to or detachable from the left-hand side of said central fixing module.

2. The detachable wheelchair of claim 1, wherein said central fixing module comprises two right hollow shafts, one right fixing nut and two left hollow shafts, one left fixing nut.

3. The detachable wheelchair of claim 2, wherein said detachable right fixing module comprises two right positioning shafts and one right fixing bolt used to be fixed to said two right hollow shafts and said right fixing nut while said detachable left fixing module comprises two left positioning shafts and one left fixing bolt used to be fixed to said two left hollow shafts and said left fixing nut.

4. The detachable wheelchair of claim 1, wherein said central fixing module comprises two right hollow shafts, one right sleeve ring and two left hollow shafts, one left sleeve ring, and said right sleeve ring comprises a right cam and said left sleeve ring comprises a left cam.

5. The detachable wheelchair of claim 4, wherein said detachable right fixing module comprises two right positioning shafts and one right fixing notch used to be fixed to said two right hollow shafts and said right cam of said right sleeve ring while said detachable left fixing module comprises two left positioning shafts and one left fixing notch used to be fixed to said two left hollow shafts and said left cam of said left sleeve ring.

6. The detachable wheelchair of claim 1, wherein said seat frame comprises a linkage pin assembly used to connect a lifting mechanism to shift said seat above or into a vehicle or to remove said seat from the vehicle.

7. A seat, able to be assembled into a wheelchair quickly, comprising: a seat cushion;a seat frame, wherein said seat cushion is disposed upon said seat frame and said seat frame comprising:a central fixing module; anda linkage pin assembly,wherein said central fixing module is able to be assembled with a right wheel frame and a left wheel frame in a detachable manner to become said wheelchair, able to be independently operated, and a lifting mechanism is connected to said linkage pin assembly whereby said seat is able to be shifted into a vehicle or to be removed from the vehicle after said right wheel frame and said left wheel frame is detached from said central fixing module.

8. The seat of claim 7, wherein said central fixing module comprises two right hollow shafts, one right fixing nut and two left hollow shafts, one left fixing nut.

9. The seat of claim 8, wherein said two right hollow shafts and said right fixing nut of said central fixing module is able to be fixed into two right positioning shafts and one right fixing bolt of said right wheel frame while said left hollow shafts and said left fixing nut of said central fixing module is able to be fixed into two left positioning shafts and one left fixing bolt of said left wheel frame.

10. The seat of claim 7, wherein said central fixing module comprises two right hollow shafts, one right sleeve ring and two left hollow shafts, one left sleeve ring, and said right sleeve ring comprises a right cam and said left sleeve ring comprises a left cam.

11. The seat of claim 10, wherein said two right hollow shafts and said right sleeve ring of said central fixing module is able to be fixed into two right positioning shafts and one right fixing notch of said right wheel frame while said left hollow shafts and said left sleeve ring of said central fixing module is able to be fixed into two left positioning shafts and one left fixing notch of said left wheel frame.