Combined pressure regulating valve

Abstract

The invention publicizes one kind of combination pressure regulator valve, which have upper valve body and under valve body that connect together. The sidewall of the under valve body have the measure which lets air in, and the lower extremity of the under valve body has continually connection with the air drum. Its characteristics are: it has air drum connection end valve in vivo to connect the air inlet continually, and it connects the air inlet to be loaded with both sides of seal valve core. Above both sides seal valve core for the discharge cavity air inlet is located on above the valve body discharge cavity to have the discharge valve core cavity, and it has the discharge valve core in the cavity to discharges the valve core lower extremity and both sides seal valve core docking and the valve cavity air outlet to connect with a valve body integral type noise elimination organization on valve body upper extreme and pressure-regulating valve air inlet connection. Its beneficial effect is: The structure is novel and unique and the design is simple and reasonable. Moreover the resistance loss is small, and the discharge valve work is keen. Furthermore cone-way valve seal is reliable, and it enhances the thermostable performance, and the service life is long as well as the discharge blew off the noise elimination effect well. Finally the energy conservation effect is remarkable.

Description

Technical field: [0001] The invention relates to an accessory of an air compressor, which is a combined pressure regulating valve used in conjunction with the air compressor. Background technique: [0002] Air compressor is a general-purpose equipment with a wide range of uses. It can be seen in all walks of life and plays a very important role in the national economy. Existing air compressors are similar in structure, especially in accessories. For example, air compressors driven by diesel engines or air compressors driven by motors above 11KW have basically adopted check valves with unloading functions. However, the structure of these unloading check valves is still relatively complicated, the components used are more, the cost is relatively high, and they are easily damaged, the service life is not ideal, the sealing is poor, and the resistance loss is large, especially due to the piston air compression The exhaust airflow of the machine is pulsed, and the spool of the o...

AI Technical Summary

Problems solved by technology

However, the structure of these unloading check valves is still relatively complicated, the components used are more, the cost is relatively high, and they are easily damaged, the service life is not ideal, the sealing is poor, and the resistance loss is large, especially due to the piston air compression The exhaust air flow of the machine is pulsed, and the spool of the one-way valve will beat the sealing line of the one-way valve at a high frequency under the action of the pulsed air flow, and the spool is easily damaged.

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