Gas pressure regulating device
OwnerFeng Zhang, Yunnan Wei +2inventors
InventorsFeng Zhang, Yunnan Wei, Yanhua Wang, Hongbin Ren
Life of this patent
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Abstract
A gas pressure regulating device is provided which comprises an upper housing and a lower housing, a pressure regulation cavity is disposed between the upper housing and the lower housing, a diaphragm assembly is disposed in the pressure regulation cavity, a gas inlet and a valve port for communicating the gas inlet with the pressure regulation cavity are disposed at one end of the lower housing. The gas pressure regulating device provided in the present invention has a simpler structure and fewer parts and is capable of effectively lowering the risks of dangerous accidents such as product leakage resulting from part failure, thus effectively ensuring stable pressure regulation performance.
Claims9
A gas pressure regulating device, comprising an upper housing (1) and a lower housing (2), a pressure regulation cavity (3) is disposed between the upper housing (1) and the lower housing (2), a diaphragm assembly (4) is disposed in the pressure regulation cavity (3), a gas inlet (2.1) and a valve port (2.3) for communicating the gas inlet (2.1) with the pressure regulation cavity (3) are disposed at one end of the lower housing (2), a gas outlet (2.2) in communication with the pressure regulation cavity (3) is disposed at the other end of the lower housing (2), wherein a first supporting point (5) is disposed at an end of the lower housing (2) close to the valve port (2.3), a second supporting point (6) is disposed at a position of the upper housing (1) opposing the first supporting point (5), one end of the diaphragm assembly (4) passes through a passage between the first supporting point (5) and the second supporting point (6) to connect with a side wall of one end of the pressure regulation cavity (3), and the other end of the diaphragm assembly (4) is connected at a side wall of the other end of the pressure regulation cavity (3);
- the diaphragm assembly (4) can rotate around the first supporting point (5) or the second supporting point (6) to regulate an openness of the valve port (2.3), and an elastic resetting member (7) is disposed between an end of the diaphragm assembly (4) away from the valve port (2.3) and the upper housing (1).
Dependencies are inferred from the claim text.