Electrohydraulic inverse proportion pressure reducing valve
An inverse proportional, pressure-reducing valve technology, applied in the field of hydraulic control, can solve the problems of complex valve cavity processing and difficult valve core assembly, and achieve the effects of high control accuracy, low manufacturing cost, and reduced repetitive labor.
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[0040] Such as figure 1 As shown, an electro-hydraulic inverse proportional pressure reducing valve of the present invention includes: a proportional electromagnet 1, a baffle plate 2, a valve core 3, a cylindrical plug 4, a first return spring 5, a valve body 6, and a second return spring 7; The valve body 6 is a bottom-sealed hollow stepped cylindrical cavity; the side wall is provided with an oil return port 8, an oil inlet port 9, a working oil port 10, and an oil drain port 11; the first return spring 5 is placed in the working chamber Middle; the second return spring 7 is set on the boss of the spool 3 . The baffle plate 2 is a cylindrical structure with two through holes corresponding to the side wall of the spool 3; the proportional electromagnet 1 is connected to the side wall of the spool 3 through the through hole of the baffle plate 2 touch;
[0041] Such as figure 2 As shown, the valve core 3 is a cylindrical structure with a boss at one end; at the end away f...
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