Pressure reducing valve
A pressure reducing valve and valve body technology, applied to liquid and gas pressure reduction. , In the field of gas decompression devices, it can solve problems such as gas and liquid leakage, unreliable outlets, and uneven stress on gaskets, and achieve reliable high-pressure outlets, good decompression effects, and compact structures.
Active Publication Date: 2010-11-24
世保康环境电器(南京)有限公司
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Problems solved by technology
At present, the outlet of the high-pressure end of the liquid and gas pressure reducing valve is on the side of the piston rod, so that the gasket on the piston rod is subjected to uneven force, resulting in blockage, and the high-pressure outlet of gas and liquid is unreliable. In addition, the diaphragm and the outside of the shell are directly connected. , once the diaphragm is damaged, it will cause gas and liquid leakage
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The invention discloses a pressure reducing valve, which relates to a liquid or gas pressure reducing device and is particularly applicable to liquid or gas pressure reduction. The pressure reducing valve comprises a valve body, a valve upper cover, a valve lower cover, a pressure gauge, a gland bush, a valve rod, a diaphragm pad, a balance spring, an adjusting spring, an adjusting screw rod, an adjusting screw sleeve, a sealing ring and an adjusting cap, wherein one side of the valve body is provided with a high pressure gas or liquid inlet, while the other side is provided with a low pressure gas or liquid outlet; the upper part of the valve body is provided with the valve upper cover on which the pressure gauge is arranged; the inside of the valve body is provided with a valve rod sleeve in which the valve rod is arranged; the upper part of the valve rod is provided with the gland bush; the valve body is internally provided with an annular high pressure gas or liquid outlet; the lower part of the valve rod is provided with the diaphragm pad; the balance spring is sleeved on the valve rod between the diaphragm pad and the valve rod sleeve; the inside of the valve lower cover is provided with an adjusting screw sleeve mounting cavity in which the adjusting screw sleeve is sleeved; the adjusting screw sleeve mounting cavity is provided with the adjusting screw rod inside; the adjusting spring is sleeved on the adjusting screw rod; and the end part of the adjusting screw rod at the outer end of the lower cover is provided with the adjusting cap.
Description
pressure reducing valve technical field The pressure reducing valve of the invention relates to a liquid and gas pressure reducing device, which is especially suitable for liquid and gas pressure reduction. Background technique At present, the outlet of the high-pressure end of the liquid and gas pressure reducing valve is on the side of the piston rod, so that the gasket on the piston rod is stressed unevenly, resulting in blockage, and the high-pressure outlet of gas and liquid is unreliable. In addition, the diaphragm and the outside of the shell are directly connected. , Once the diaphragm is damaged, it will cause gas and liquid leakage. Contents of the invention The object of the present invention is to provide a pressure reducing valve for the above disadvantages. The high pressure outlet of the pressure reducing valve is annularly distributed along the valve stem, so that the sealing pad on the valve stem is evenly stressed, and the high pressure outlet of gas a...
Claims
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IPC IPC(8): F16K17/04
Inventor 张翼鹏
Owner 世保康环境电器(南京)有限公司