Device for assembling and disassembling inner support of vehicle tire

1. A device for assembling and disassembling an inner support of a vehicle tire, the device comprising:

a supporter;

a fastening belt comprising a first end and a second end;

a retracting device;

a rolling ball;

a base comprising an inner bottom surface;

a securing device; and

a gear unit, said gear unit comprising a worm wheel, a worm, and a worm support; said worm comprising a bottom; and said bottom comprising an axial end face;

wherein:

said retracting device and said securing device are disposed on said supporter;

said worm wheel is disposed on said supporter;

said worm wheel is engaged with said worm;

said worm is disposed on said worm support;

said worm support is connected to said supporter;

said bottom is disposed in said base;

said rolling ball is disposed between said axial end face and said inner bottom surface;

said first end is connected to said retracting device;

said second end is connected to said securing device; and

said retracting device is connected to said gear unit.

2. The device of claim 1 , further comprising a manual device or an electric device.

3. The device of claim 2 , wherein said worm is connected to said manual device or said electric device.

4. The device of claim 3 , wherein said manual device comprises a sleeve, a swing arm, and a handle.

5. The device of claim 4 , wherein:

said sleeve comprises a third end and a fourth end;

said swing arm comprises a fifth end and a sixth end;

said third end receives an axis of said worm;

said fourth end is connected to said fifth end; and

said sixth end is connected to said handle.

6. The device of claim 1 , further comprising a guide device disposed on said supporter.

7. The device of claim 6 , wherein:

said guide device comprises a supporting plate and a guide wheel;

said supporting plate comprises a seventh end and an eighth end;

said seventh end is connected to said supporter; and

said eighth end is connected to said guide wheel.

8. The device of claim 1 , wherein said retracting device comprises a shaft having an input end connected to said gear unit, and said shaft is connected to said supporter.

9. The device of claim 1 , wherein said gear unit is disposed in a housing.

10. The device of claim 1 , wherein said securing device comprises one or more guide rods disposed on said supporter.

11. The device of claim 1 , wherein said securing device comprises a bracket connected to said supporter and one or more guide rods disposed on said bracket.

12. The device of claim 1 , wherein

said shaft is connected to said worm wheel via a key;

a stopping ring is connected to said retracting device; and

one or more grooves are disposed on said shaft between said stopping ring and said supporter.

13. The device of claim 1 further comprising a hand-held device, wherein said hand-held device is connected to said supporter.