A sampling device for the production of canned gas
By designing a sampling device driven by a three-way valve and a hydraulic rod, the problems of gas sample contamination and compositional changes in the existing technology have been solved, and the purity and detection accuracy of gas sampling have been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING KAIYI SPECIAL GAS CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-07-24
AI Technical Summary
Existing canned gas sampling devices rely on manual operation after sampling, which makes gas samples susceptible to contamination or changes in composition, affecting the accuracy of detection.
A sampling device comprising a three-way valve, a hydraulic rod, and a sealing structure was designed. The hydraulic rod drives the stop block and linkage to ensure that the sampling port opens only when needed, preventing gas leakage and the mixing of outside air. The U-shaped air inlet and sealing design ensure gas purity and detection accuracy.
It effectively reduces gas leakage and the mixing of outside air, improving the purity of the sampled gas and the accuracy of the test results.
Smart Images

Figure CN224552830U_ABST