A quick-break expansion type cut-off gate valve
An expansion type gate valve technology, which is applied in the field of quick-break expansion type shut-off gate valve, can solve the problems of single structure of shut-off valve, insufficient shut-off effect, not thorough and rapid shut-off, etc., and achieve the effect of complete shut-off
Active Publication Date: 2020-06-26
HANGZHOU KAIWEI VALVE GRP
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Problems solved by technology
[0002] The definition of "valve" is a device used to control the direction, pressure, and flow of fluid in a fluid system. A valve is a device that allows the medium (liquid, gas, powder) in the piping and equipment to flow or stop, and can control its flow. The common valve bodies include safety valves and diverter valves. The structure of the cut-off valve in the valve body is relatively simple, and the cut-off effect is not good enough, and the cut-off is not thorough and fast enough. Therefore, a quick-break expansion type cut-off gate valve is needed.
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[0023] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0024] Wherein, the accompanying drawings are only for illustrative purposes, showing only schematic diagrams, rather than physical drawings, and should not be construed as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings will be omitted, Enlargement or reduction does not represent the size of the actual product; for those skilled in the art, it is understandable that certain known structures and their descriptions in the drawings may be omitted.
[0025] In the drawings of the embodiments of the present invention, the same or similar symbols correspond to the same or similar components; , "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional ...
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The invention discloses a quick-break expansion type stop gate valve which comprises a water inlet pipe, a water outlet pipe, and a control valve body arranged on the water inlet pipe and the water outlet pipe. The water inlet pipe is connected with the water outlet pipe; a handle is arranged on the control valve body; the control valve body comprises a baffle plate, an installation block, a screw rod, a first guiding rod, a push block, a second guiding rod, a first pushing frame, a push rod and a first sliding sleeve; the water inlet pipe comprises a water inlet section and a water outlet section; the inner diameter of the water inlet pipe is smaller than the inner diameter of the water outlet pipe; the baffle plate is located in the water outlet section of the water inlet pipe; the diameter of the baffle plate is larger than the inner diameter of the water inlet section of the water inlet pipe and is smaller than the inner diameter of the water outlet section of the water inlet pipe; the installation block is connected between the water inlet pipe and the water outlet pipe; one end of the screw rod penetrates through the installation block so as to stretch into the water inlet pipe and the water outlet pipe; the other end of the screw rod is fixedly connected with the handle; and the second guiding rod is vertically arranged in the water inlet pipe and the water outlet pipe.
Description
technical field [0001] The invention relates to the technical field of cut-off gate valves, in particular to a quick-break expansion type cut-off gate valve. Background technique [0002] The definition of "valve" is a device used to control the direction, pressure, and flow of fluid in a fluid system. A valve is a device that allows the medium (liquid, gas, powder) in the piping and equipment to flow or stop, and can control its flow. The common valve bodies include safety valves and diverter valves. The structure of the cut-off valve in the valve body is relatively simple, and the cut-off effect is not good enough, and the cut-off is not thorough and fast enough. Therefore, a quick-break expansion type cut-off gate valve is needed. Contents of the invention [0003] In order to solve the deficiencies of the prior art, the object of the present invention is to provide a quick-break expansion type cut-off gate valve, which can cut off the flow quickly and more stably and c...
Claims
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IPC IPC(8): F16K1/02F16K31/50F16K31/60F16K31/56
CPCF16K1/02F16K31/50F16K31/56F16K31/60
Inventor 卓天宝卓金德邓德明
Owner HANGZHOU KAIWEI VALVE GRP