Diameter-variable inner supporting device and safety tire

A support device and variable technology, applied in the direction of auxiliary wheels/rings, etc., can solve problems such as vehicle impact, tire rolling, and difficulty in supporting space structures in safety tires, and achieve the effect of convenient installation and avoiding crushing and cracking

Active Publication Date: 2018-11-23
NANJING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, during the zero-pressure running process, the tires are prone to be crushed due to being

Method used

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  • Diameter-variable inner supporting device and safety tire
  • Diameter-variable inner supporting device and safety tire
  • Diameter-variable inner supporting device and safety tire

Examples

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[0043] The present invention will be further described below in conjunction with the drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

[0044] Such as Figure 1 to 7 As shown, a safety tire includes a rim 2, a tire 1, and an inner support device. The tire 1 is sleeved on the rim 2, and the inner support device is arranged in a cavity formed between the tire 1 and the rim 2. The inner support device includes: an inner support base 3, a number of inner support units 5, a number of lifting devices 7 and a number of self-locking mechanisms.

[0045] The inner support base 3 has a concentric annular inner wall 31 and an annular outer wall 32; the inner support unit 5 has an arc-shaped outer wall 51 and an inner wall 52; the lifting device 7 has a radial movement along the annular inner wall 31 Moving part 71. The annular inner wall 3...

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Abstract

The invention discloses a safety tire which comprises a rim, a tire body and an inner supporting device. The inner supporting device comprises an inner supporting base, a plurality of inner supportingindividuals, a plurality of lifting devices and a plurality of self-locking mechanisms, an annular inner wall is fixedly mounted on the outer wall of the rim in a sleeved manner, and the inner supporting individuals are uniformly distributed in the circumferential direction of the annular outer wall and axially distributed in a staggered manner to form at least two annular structural bodies in the axial direction; the lifting devices and the inner supporting structural bodies are fixed on the annular outer wall in a one-to-one corresponding manner, and moving portions of the lifting device are connected with the corresponding inner supporting individuals to drive the same to move radially; when the inner supporting individuals are moved to a position A from inside to outside, mutually-overlapped parts of any two inner supporting individuals in the axial direction are fixedly connected through a self-locking mechanism. The safety tire has the advantages that dangerous working conditions like castoff of the tire due to tire side squeezing rupture of the tire can be avoided during zero-pressure traveling of an automobile, and more convenience is brought to the mounting process.

Description

technical field [0001] The invention belongs to the technical field of safety tire inner support, and in particular relates to a diameter-variable inner support device and a safety tire. Background technique [0002] Accidents occur frequently during automobile driving, and 70% of them are accidents caused by tire blowout. In order to improve the safety of tire driving, safety tire technology has emerged as the times require, and has become an important development direction of tire technology. The inner support type safety tire is a kind of safety tire, its structure mainly includes tire, rim, inner support, and some are equipped with tire pressure monitoring device (TPMS). Internally supported safety tires are equipped with auxiliary internal supports on the rim to achieve the purpose of zero-pressure continuous running. Therefore, it has a simple structure and good versatility. At the same time, the bearing capacity of the auxiliary supports is better than other structure...

Claims

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Application Information

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IPC IPC(8): B60B15/26
CPCB60B15/26
Inventor 臧利国彭威风尹荣栋朱冬冬蔡亦璋杭鹏吉鑫钰
Owner NANJING INST OF TECH
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