Valve element of electro-hydraulic control valve and electro-hydraulic control valve
The utility model belongs to the technical field of hydraulic control valves, and particularly relates to a valve element of an electro-hydraulic control valve and the electro-hydraulic control valve.The electro-hydraulic control valve comprises a valve sleeve, a middle valve port is formed in the v...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model belongs to the technical field of hydraulic control valves, and particularly relates to a valve element of an electro-hydraulic control valve and the electro-hydraulic control valve.The electro-hydraulic control valve comprises a valve sleeve, a middle valve port is formed in the valve sleeve, the valve element matched with the middle valve port is arranged in the valve sleeve, and a left side sliding valve and a right side sliding valve which are assembled in the valve sleeve in a guiding mode are arranged on the valve element. The two sliding valves are provided with peripheral sealing faces, the valve element is further provided with a left side cone valve and a right side cone valve which correspond to the left end opening and the right end opening of the middle valve opening respectively, the two cone valves are provided with cone-shaped sealing faces corresponding to the two end openings respectively, and the cone-shaped sealing faces are matched with the end openings in a sealing mode |
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