Hydraulic lock with pilot one-way valve
A one-way valve and hydraulic lock technology, applied in the field of hydraulic locks, can solve the problems of increasing the volume of the valve, shorten the service life of the hydraulic lock, etc., and achieve the effect of reducing power loss and no heat
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[0013] The present invention will be further described below in conjunction with the accompanying drawings. The protection scope of the present invention is not limited to the following:
[0014] Such as figure 2 As shown, a hydraulic lock with pilot check valve includes a valve body 1, a piston 2 and a cartridge type check valve with pilot. The top of one end of the valve body 1 is provided with an oil port I3, and the other end of the valve body 1 There is an oil port II4 at the bottom of the valve body, and a through hole is provided in the valve body 1. The oil port I3 and the oil port II4 are both connected with the through hole. The through hole is divided into the chamber I19 and the chamber II20 by the oil port II4. The one-way valve with pilot includes the valve cover 5, the valve sleeve 6, the main valve core 7, the main valve core spring 8, the pilot valve core 9 and the pilot valve spring 10. The valve sleeve 6 is arranged in the chamber I19 and the valve sleeve 6 A ...
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