Pressure relief assembly for portable coffee maker brewing structure

By designing a pressure relief component for the brewing structure in a portable coffee machine, including a pressure relief channel and a valve sleeve pressure relief component, the problems of water leakage and cumbersome operation caused by excessive pressure are solved, achieving the effects of rapid pressure relief and convenient disassembly.

CN224320520UActive Publication Date: 2026-06-05FO SHAN SHI GU MO LING KE JI YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FO SHAN SHI GU MO LING KE JI YOU XIAN GONG SI
Filing Date
2025-05-06
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Portable coffee machines are prone to leaks or cumbersome operation when using fine coffee grounds due to excessive pressure, and the existing pressure relief structure is not convenient for cleaning and disassembly.

Method used

A pressure relief component for a portable coffee machine brewing structure has been designed, including a brewing head, a pressure relief channel, an exhaust chamber, and a valve sleeve pressure relief component. The pressure relief or pressure holding function is achieved by moving the valve stem, and a rapid pressure relief device is integrated for easy user operation.

Benefits of technology

It enables rapid pressure release in portable coffee machines when pressure is too high, simplifies the operation process, facilitates cleaning and disassembly, and improves the user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224320520U_ABST
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Abstract

The utility model relates to portable coffee machine brewing structure's pressure relief subassembly, including brewing structure, the brewing structure includes brewing head, brews the cavity and valve cover pressure relief subassembly, brewing head is equipped with high pressure water inlet channel, pressure relief channel and exhaust cavity, the water outlet of high pressure water inlet channel communicates with brews the cavity, the one port of pressure relief channel communicates with high pressure water inlet channel, the other port of pressure relief channel communicates with exhaust cavity, valve cover pressure relief subassembly includes valve rod, exhaust valve cover, check valve subassembly and elastic piece, exhaust valve cover and check valve subassembly are installed on valve rod from left to right in proper order, be equipped with exhaust groove on exhaust valve cover, and valve rod is inserted in exhaust cavity. Its advantage is that the quick pressure relief device is set up on portable pressure coffee machine, when pressure is too big, user control pressure relief valve pressure relief, thereby convenient clean dismount, have obvious operation experience advantage.
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