Two-way liquid cartridge valve good in sealing performance

Abstract

The invention discloses a two-way liquid cartridge valve good in sealing performance. The two-way liquid cartridge valve comprises a valve sleeve and a valve element matched with the valve sleeve. A third annular groove is formed in the lower side of the outer side wall of the valve sleeve. A third sealing ring matched with the third annular groove is arranged in the third annular groove. An outerthread is arranged on the outer side wall of the valve sleeve. A first through hole is formed in the valve sleeve. The valve element is arranged in the first through hole. A first annular groove is formed in the upper side of the outer side wall of the valve element. A first sealing ring matched with the first annular groove is arranged in the first annular groove. A second through hole is formedin the valve element and internally provided with a guide column. The guide column is elastically connected with the valve element through a spring. A second annular groove is formed in the lower side of the outer side wall of the guide column. A second sealing ring matched with the second annular groove is arranged in the second annular groove. By means of the two-way liquid cartridge valve, theinterior and the connecting positions of the cartridge valve have good sealing performance.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a two-way liquid cartridge valve with good sealing performance. Background technique [0002] Cartridge valves are different from what we call ordinary hydraulic control valves. Its flow rate can reach 1000L / min, and its diameter can reach 200-250mm. The spool has simple structure, sensitive action and good sealing performance. Its function is relatively simple, mainly to realize the on or off of the hydraulic circuit. When used in combination with ordinary hydraulic control valves, the control of the oil direction, pressure and flow of the system can be realized. [0003] When the existing liquid cartridge valves are in use, the tightness of the inside and the connection cannot be well guaranteed, which makes liquid leakage prone to occur. Therefore, a two-way liquid cartridge valve with good sealing performance is proposed. Contents of the invention [0004] The object of th...

AI Technical Summary

Problems solved by technology

Its function is relatively simple, mainly to realize the on or off of the hydraulic circuit. When used in combination with ordinary hydraulic control valves, the control of the oil direction, pressure and flow of the system can be realized.

[0003] When the existing liquid cartridge valve is in use, it cannot ensure the tightness of the interior and the connection, which makes liquid leakage prone to occur. Therefore, a two-way liquid cartridge valve with good sealing performance is proposed

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