Safety valve suitable for low-pressure hydrogen

• Main Authors: XU WEN, LU YICHEN, FENG LIJUN, WU CHU
• Format: Patent
• Language: Chinese; English
• Published: 09.12.2022
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model relates to a safety valve suitable for low-pressure hydrogen, which comprises a valve body, a valve body hole and a valve body vent hole which penetrate through the valve body in a staggered manner, the middle of the valve body hole is communicated with the valve body vent hole, a spring seat is mounted on the upper portion of the valve body hole, a sealing seat is mounted at the bottom of the valve body hole, and a valve core is slidably arranged between the spring seat and the sealing seat. A spring is arranged between the spring seat and the valve core; a sealing gasket is mounted at the bottom of the valve core; a sealing seat air hole penetrates through the sealing seat; a valve element hole is drilled in the valve element and comprises a valve element vertical hole and a valve element horizontal hole which are perpendicularly communicated, the upper end of the valve element vertical hole is communicated with the valve body air outlet hole, the lower end of the valve element vertical ho