A high-sealing automobile hydraulic brake valve
A hydraulic brake valve, high sealing technology, applied in the direction of brakes, brake components, control valves and bleed valves, etc., can solve the problems of brake shock, high pressure oil requirements, valve core wear, etc., to reduce effect of influence
Active Publication Date: 2020-05-19
NINGBO RIAN PRECISION MASCH CO LTD
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Problems solved by technology
[0002] In today's automobile brake valves, hydraulic valves are mostly used for braking, which requires that the output pressure of the liquid needs to be stable and can be controlled. Immediately connect the oil inlet to the oil outlet, causing the high-pressure liquid to flow into the brake instantly, which will easily cause an impact on the brake and affect its service life, and the output pressure of the liquid is unstable, and the pressure of the oil outlet is difficult to control; in addition, the hydraulic brake valve is due to Its precision is relatively high, so the requirements for pressure oil are also high. During use, it is necessary to strictly control the pressure oil to not contain impurities, otherwise it will cause wear to the valve core and affect its normal use.
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[0022] The following description serves to disclose the present invention to enable those skilled in the art to carry out the present invention. The preferred embodiments described below are only examples, and those skilled in the art can devise other obvious variations.
[0023] like Figure 1-5 As shown, a high-tightness automotive hydraulic brake valve includes a valve body 1 with an oil inlet 101, an oil outlet 102, and an oil return port 103 on the side. The oil inlet 101 and the oil return port 103 are located at the The right side of the valve body 1, and the axes of the oil inlet 101 and the oil return port 103 are in the same vertical plane; the oil outlet 102 is located on the left side of the valve body 1; the inner edge of the valve body 1 In the vertical direction, there is a valve hole 104 connected with the oil inlet 101, the oil outlet 102, and the oil return port 103. The valve hole 104 is provided with a spool 2 for controlling the on-off of the oil port. 2...
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The invention discloses a high-tightness automobile hydraulic brake valve, which comprises a valve body with an oil inlet port, an oil outlet port and an oil return port arranged on the side, whereina valve hole is arranged in the valve body along a vertical direction, and a valve core is arranged in the valve hole; An upper end coverand a lower end cover are respectively installed at that upperand lower ends of the valve hole, the upper end cover is slidably connected with a push rod, and a return spring is arranged in the valve hole; The push rod is vertically provided with a transmissionscrew for driving the valve core to move, and the valve core is vertically provided with a transmission screw hole threadably connected with the transmission screw; The valve core is provided with anoil through hole for communicating with the oil port; A low end cover is vertically provided with a mounting groove, a first rotating shaft is fixedly installed at that bottom of the valve core, and afirst gear is fixedly installed at one end of the first rotate shaft protruding into the mounting groove; The hydraulic brake valve can not only reduce the impact on the brake and prolong its servicelife, but also the hydraulic output pressure is stable and easy to control.
Description
technical field [0001] The invention relates to the technical field of automobile brake valves, in particular to a high-tightness automobile hydraulic brake valve. Background technique [0002] In today's automobile brake valves, hydraulic valves are mostly used for braking, which requires that the output pressure of the liquid needs to be stable and can be controlled. Immediately connect the oil inlet to the oil outlet, causing the high-pressure liquid to flow into the brake instantly, which will easily cause an impact on the brake and affect its service life, and the output pressure of the liquid is unstable, and the pressure of the oil outlet is difficult to control; in addition, the hydraulic brake valve is due to Its precision is relatively high, so the requirements for pressure oil are also high. During use, it is necessary to strictly control the pressure oil to not contain impurities, otherwise it will cause wear to the valve core and affect its normal use. Content...
Claims
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IPC IPC(8): B60T15/04F15B13/02
CPCB60T15/04F15B13/021
Inventor 祁惠光
Owner NINGBO RIAN PRECISION MASCH CO LTD