Throttle valve with constant outlet flow
A technology of outlet flow and throttle valve, which is used in safety valves, balance valves, valve devices, etc., can solve the problem that the throttle valve cannot achieve throttling, etc., and achieve the effect of improving flow distribution, light weight and compact structure.
Active Publication Date: 2019-01-18
CHINA HELICOPTER RES & DEV INST
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Problems solved by technology
However, when the flow rate of the hydraulic system changes, the flow rate through the throttle valve will also change accordingly, so the throttle valve will not have the effect of throttling.
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[0019] In order to make the purpose, technical solution and advantages of the application more clear, the technical solution in the embodiment of the application will be described in more detail below in conjunction with the drawings in the embodiment of the application.
[0020] In the description of this application, the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", " The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying the referred device or Elements must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the application.
[0021] In order to solve the problem in the prior ar...
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The invention provides a throttle valve with constant outlet flow, and belongs to the field of throttle valves. The throttle valve comprises a shell, a filler neck, a valve seat, a valve and a spring,wherein the shell and the filler neck are relatively fixed about an axis, the valve, the valve seat and the spring are arranged in a flow through hole formed by the shell and the filler neck; the valve is provided with a first through hole formed in the circumferential direction, the valve seat is provided with a second through hole and a third through hole which are formed in the circumferentialdirection, the side walls of the valve seat and the flow through hole are provided with gaps used for fluid circulation, the first through hole is communicated with the second through hole, and the valve seat adjusts the communicated area of the first through hole and second through hole to control the flow in the throttle valve under the action of the spring. The throttle valve with the constantoutlet flow has the advantages that the constant outlet flow can be maintained when the inlet flow changes, the structure is compact, the weight is light, the reliability is high, the conditional accuracy is high, and the throttle valve can be applied to a hydraulic system with multiple actuating mechanisms to improve the flow distribution of the hydraulic system.
Description
technical field [0001] The application belongs to the field of valves, in particular to a throttle valve with constant outlet flow. Background technique [0002] Throttle valve is a flow control valve commonly used in hydraulic systems, usually used for buffering or flow limiting. Usually the size of the orifice of the throttle valve is adjusted manually before use, and the size of the orifice remains unchanged during use. However, when the flow rate of the hydraulic system changes, the flow rate through the throttle valve will also change accordingly, so the throttle valve will not have the effect of throttling. Contents of the invention [0003] The purpose of this application is to provide a throttle valve with constant outlet flow to solve any of the above problems. [0004] The technical solution of the present application is: a throttle valve with a constant outlet flow, the throttle valve includes a housing, a nozzle, a valve seat, a valve and a spring, the housin...
Claims
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IPC IPC(8): F16K17/30B01D35/04
CPCB01D35/046F16K17/30
Inventor 张学雷谭伦张润泽刘瑞杰王辉邹清华周阳林辉
Owner CHINA HELICOPTER RES & DEV INST