Hard sealing ball valve
A hard-sealed, ball valve technology, applied in valve devices, filtration separation, cocks including cut-off devices, etc., can solve problems such as leakage, unstable performance, unfavorable water quality improvement, etc. Effect
Active Publication Date: 2021-10-29
FUSAN VALVE SUZHOU
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Problems solved by technology
[0003] The sealing effect of the existing hard-sealed ball valve is not good, and its internal seal is a single hard-sealed structure. Due to the influence of factors such as service life, when the valve is closed, the valve core cannot be completely in close contact with the sealing surface of the valve seat, resulting in poor performance. Unstable or even leaked
Moreover, the existing sealed ball valve lacks the filtering function of the medium, which is not conducive to improving water quality
Method used
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[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0032] see figure 1 , The present invention provides a technical solution: a hard-sealed ball valve, including a ball valve assembly 1 and a filter assembly 2 .
[0033] The ball valve assembly 1 includes a valve body 11 and a valve core 12. The valve core 12 is arranged inside the valve body 11. The valve core 12 is fixedly connected to a valve stem 112. The valve body 11 is provided with a front valve seat that contacts the valve core 12 through a seal 13. and the rear valve seat; the valve body 11 is located between the front valve seat and the rear valve seat; the seal 13 includes a sealing bl...
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The invention is suitable for the technical field of ball valves, and provides a hard sealing ball valve. The hard sealing ball valve is provided with a ball valve assembly and a filtering assembly, a valve body of the ball valve assembly is provided with a front valve seat and a rear valve seat which are in sealing contact with a valve element through sealing pieces, the filtering assembly comprises a filtering pipe, the filtering pipe is provided with a filtering part and a direct-flow part, the filtering part and the direct-flow part are both used for medium circulation, an adjusting plate is arranged in the direct-flow part and connected with a driving part, and the driving part is used for driving the adjusting plate to move to a first position for sealing the direct-flow part and a second position for opening the direct-flow part, so that a user can start and open the direct-flow part according to needs, the flow speed can be reduced when the direct-flow part is closed, meanwhile, the water quality is improved, the direct-flow part is opened, the flow speed can be increased, various specific use conditions can be adapted, and the application range is widened.
Description
technical field [0001] The invention belongs to the technical field of ball valves, in particular to a hard-sealed ball valve. Background technique [0002] The ball valve is a kind of opening and closing part used in the pipeline, which is used to control the flow and on-off of the fluid in the pipeline. Through the turning handle above the valve, the valve core in the valve can be rotated, and the flow rate of the fluid passing through the valve can be adjusted. with regulation. Ball valves have a wide range of applications due to their strong flow, fast opening and closing, convenient installation, and many connection methods; the seals of ball valves can be roughly divided into two types: soft seals and hard seals. [0003] The sealing effect of the existing hard-sealed ball valve is not good, and its internal seal is a single hard-sealed structure. Due to the influence of factors such as service life, when the valve is closed, the valve core cannot be completely in clo...
Claims
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IPC IPC(8): F16K5/20F16K5/06B01D35/04
CPCF16K5/201F16K5/0689B01D35/04
Inventor 钟圣凯赵磊
Owner FUSAN VALVE SUZHOU