Vacuum tire explosion-proof lining of mountain cross-country bicycle

The inner liner, made of highly elastic EVA material, fits tightly to the tubeless tire, providing extra support and solving the problem of instability when riding under low tire pressure caused by existing explosion-proof inner liners. This results in a tubeless tire for mountain bikes that offers high impact resistance and comfort.

CN224130814UActive Publication Date: 2026-04-17GANNAN UNIV OF SCI & TECH
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Patent Information

Application Number
CN202521036836.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2026-04-17
Estimated Expiration
2035-05-23

AI Technical Summary

Technical Problem

Existing explosion-proof liners cannot effectively fit the inner wall of the tire and cannot effectively support the tire sidewall, especially under low tire pressure, resulting in unstable riding and insufficient impact resistance, which reduces the impact resistance and comfort of tubeless tires for mountain bikes.

Method used

Made of highly elastic EVA material, the inner liner body has grooves and sealing gaskets on its surface. The inner liner body fits tightly with the tubeless tire and rim, providing extra support, increasing impact resistance, and can be used as an emergency tire in case of tire damage.

Benefits of technology

Significantly improves the impact resistance and comfort of tubeless tires for mountain bikes, reduces vibration, enhances protective performance, ensures a safe and smooth ride, and is especially suitable for rugged environments.

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Abstract

The utility model relates to the technical field of mountain cross-country bicycles, in particular to a mountain cross-country bicycle vacuum tire explosion-proof lining which comprises a lining body, a hole groove is formed in the surface of the lining body, a vacuum tire is arranged on one side of the lining body, the lining body is arranged in the vacuum tire, and the vacuum tire is arranged in the hole groove. And a vacuum rim is mounted on the surface of the bottom position of the vacuum tire. When the explosion-proof lining is used, the explosion-proof lining is simpler in structure, more convenient to manufacture and use and wide in applicability, the impact resistance and comfort of the vacuum tire of the mountain cross-country bicycle can be remarkably improved, vibration in the riding process is reduced, the protection performance of the whole tire is improved, and the service life of the vacuum tire is prolonged. The risk of tire damage can be effectively reduced, it is ensured that the riding process is safe and smooth, and the bicycle is particularly suitable for being used in bumpy mountainous regions and field environments.
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