A tubeless valve

By designing an active upper and lower rod structure, combined with threaded connection and pull strap design, the problems of difficult valve stem installation and inconvenient overall replacement are solved, enabling individual replacement of valve core and rubber head, which facilitates maintenance.

CN224360933UActive Publication Date: 2026-06-16NINGBO KAISHENG AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO KAISHENG AUTO PARTS CO LTD
Filing Date
2025-09-03
Publication Date
2026-06-16

AI Technical Summary

⚠Technical Problem

The existing valve stem is too long, making installation difficult. The entire structure is damaged and needs to be replaced. Furthermore, replacing the valve core requires special tools, which is inconvenient.

⚗Method used

The upper and lower rods are designed with movable connections. The upper rod contains the valve core, and the lower rod contains the rubber head. The valve core and rubber head can be replaced separately through threaded connection and pull strap structure. The rubber head has a pull strap on the side for easy disassembly and assembly.

🎯Benefits of technology

It enables the individual replacement of valve cores and rubber heads, facilitating maintenance, simplifying the repair process, and improving the convenience of installation and replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a tubeless valve, which comprises an upper rod and a lower rod connected movably, a valve core movably arranged in the upper rod, a rubber head arranged at the lower end of the lower rod, an annular fixing groove arranged on the rubber head and used for clamping the rubber head on a rim, a pull belt arranged on the side surface of the rubber head, the pull belt being shaped according to the outer side of the rubber head and embedded in the rubber head, one end of the pull belt extending out of the upper end of the rubber head, and the other end of the pull belt being connected with the lower end of the rubber head. The valve can separate the valve core used for air control and the rubber head used for connection, the upper rod can be replaced alone when the valve core is out of order, and the replacement is convenient; the pull belt is arranged on the side surface of the rubber head and connected with the lower end of the rubber head, the rubber head can be pulled out from the installation position through the pull belt when the rubber head is damaged, the replacement is convenient, and the maintenance is facilitated.
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