Pressure reduction assembly for gas cylinder

By designing a split-type output end cap and pressure reducing valve assembly, the high-pressure sealing difficulty, user operation complexity, and safety issues of gas cylinder pressure reducing components are solved, realizing convenient and safe gas output and multi-functional expansion, suitable for the gas supply needs of portable gas cylinders in various scenarios.

CN224150691UActive Publication Date: 2026-04-21GUANGZHOU ESOMME TECH CO LTD
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Patent Information

Application Number
CN202521105045.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2026-04-21
Estimated Expiration
2035-05-30

AI Technical Summary

Technical Problem

Existing gas cylinder pressure reducing components suffer from insufficient safety and scalability due to challenges in high-pressure sealing, high user operation threshold, high risk of triggering and sealing coupling, and limited pressure regulating function.

Method used

The design adopts a split output end cap and pressure reducing valve assembly. The pressure reducing valve assembly is triggered by a top pressure structure through a threaded connection. It is also equipped with a filter, an overpressure relief valve, and a side outlet switch valve to simplify operation and improve airtightness and safety.

Benefits of technology

It improves the ease of assembly, safety, and functional expandability of the gas cylinder pressure reducing assembly, reduces the difficulty of user operation, enhances airtightness and system safety, and is suitable for the gas supply needs of portable gas cylinders in various scenarios.

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Abstract

The pressure reducing assembly comprises a pressure reducing valve assembly body and a split type output end cover, the pressure reducing valve assembly body is fixedly connected with the gas cylinder, a gas outlet channel is formed in the pressure reducing valve assembly body, and a jacking structure is arranged on the inner surface of the split type output end cover. When the split type output end cover and the pressure reducing valve assembly are installed in a matched mode, the jacking structure triggers and activates the pressure reducing valve assembly, and an air outlet channel in the pressure reducing valve assembly is made to be communicated. The pressure reducing valve assembly and the output end cover are designed to be of a split structure, air path conduction is achieved through the jacking structure arranged in the output end cover, the strong sealing requirement does not exist in the process that the pressure reducing valve assembly and the output end cover are matched to trigger conduction, and a user does not need to conduct strong screwing for high-pressure sealing of a port; the problems that when a common user assembles the high-pressure gas cylinder and the pressure reducing valve, high-pressure sealing is needed, and leakage is prone to being caused by misoperation, sealing piece aging and the like can be effectively solved, terminal user operation is simplified, and using convenience and safety are improved.
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