Multi-purpose tire capable of going up steps and driving on flat ground and using method thereof

A multi-purpose, stepped technology, applied in the direction of wheels, vehicle parts, transportation and packaging, etc., can solve the problem that the tire does not have the ability to climb, and achieve the effect of small angle and stable running trajectory.

Inactive Publication Date: 2020-09-01
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The common tire structure at this stage is a complete circle, which is composed of spokes and carcass. The surface of the tire is wrapped by a complete circular rubber carcass. Smooth running, but traditional tires of this type do not have the climbing ability when faced with square stepped structures

Method used

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  • Multi-purpose tire capable of going up steps and driving on flat ground and using method thereof
  • Multi-purpose tire capable of going up steps and driving on flat ground and using method thereof
  • Multi-purpose tire capable of going up steps and driving on flat ground and using method thereof

Examples

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with accompanying drawing.

[0027] like figure 1 , 2 , 3, 4 and 5, the multi-purpose tire that can go up steps and run on flat ground includes rigid frame 1, connector 2, roller 3, spring 4, spoke 5 and cam 6; spoke 5 is made of integrally formed Composed of shaft sleeve and chute plate; the chute plate is circular and set coaxially with the shaft sleeve; the chute plate is provided with n chutes uniformly distributed along the circumference of the shaft sleeve, n=24; the chute is along the radial direction of the shaft sleeve Extend; the chute plate is provided with integrally formed and n spring hanging posts one along the circumferential direction of the shaft sleeve, and each spring hanging post corresponds to the position of the chute in the circumferential direction of the shaft sleeve; in this embodiment, the chute The plate is provided with a weight-reducing notch between every two adjacent ...

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Abstract

The invention discloses a multifunctional tire with functions of climbing steps and driving on a level ground and a using method thereof. A traditional tire does not have climbing capability. A slideway plate is provided with n slideways and spring hanging columns I, which are uniformly distributed along the circumference of an axle sleeve; a slide pair is formed by each slideway and a spring hanging column II at the inner end of a connecting part; each spring hanging column II is connected with the corresponding spring hanging column I through a spring; a rigid rack is fixed at the outer endof the connecting part; a roller is supported against the pin roll connecting the rigid rack and the connecting part through a bearing; a cam pair is formed by a cam and all rollers; when the rollersrun on the return section of the cam, the connecting part, rollers and a tire body are pulled to the spoke center along the slideway of the spoke by means of the pulling force of a spring; and when the rollers move on an extending stroke section of the cam, the connecting part, rollers and tire body are far from the spoke center along the slideway of the spoke. The multifunctional tire can be usedon a level ground for wheelchairs, baby carriage and other carriers, has smaller overturning angle when climbing steps in comparison with that of a traditional tire, and is more stable.

Description

technical field [0001] The invention relates to a multi-purpose tire, in particular to a multi-purpose tire with a cam structure, whose maximum diameter can be changed, which can be used not only for climbing steps but also for driving on flat ground, and its application method. Background technique [0002] Tires are a common item in life. They use the principle of low rolling friction to allow vehicles or other objects to move quickly along a straight line. The common tire structure at this stage is a complete circle, which is composed of spokes and carcass. The surface of the tire is wrapped by a complete circular rubber carcass. Smooth running, but traditional tires of this type don't have the climbing ability when faced with square stepped structures. When a patient with limited mobility is in a wheelchair or a parent pushes a stroller facing the stairs, climbing steps becomes an obstacle. Based on such circumstances, how to design a tire that can not only run smoothl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60B19/00
CPCB60B19/00B60B2900/551
Inventor 李志华傅东金樊志华李广王叶民
Owner HANGZHOU DIANZI UNIV
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