One-way type drain valve

A technology of drainage and valve, applied in valve details, control valve, valve device, etc., can solve the problems of poor blocking performance and simple structure, and achieve the effect of improving blocking performance, prolonging service life and enhancing one-way flow performance.

Pending Publication Date: 2020-07-14
TONGLING XINGRONG VALVE FITTINGS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing technology has the following problems: the existing one-way drain valve (reference case: CN201821723791.0) only relies on the connecting block to block gas or liquid to realize the function of one-way flow of the drain valve, the structure is simple, and the block poor performance

Method used

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] see Figure 1-5 , the present invention provides the following technical solutions: a one-way drain valve, including a housing 24, one end of the housing 24 is fixed with a first flange joint 1, and the other end of the housing 24 is fixed with a second flange joint 6 , the first flange joint 1 and the second flange joint 6 are uniformly provided with a number of installation holes 5, and the interior of the housing 24 is provided with a water inlet cha...

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Abstract

The invention discloses a one-way type drain valve. The one-way type drain valve comprises a shell, one end of the shell is fixedly provided with a first flange joint, and the other end of the shell is fixedly provided with a second flange joint, the first flange joint and the second flange joint are both evenly provided with a plurality of installation holes, the shell is internally provided witha water inlet passage, a flow blocking passage and a water outlet passage from top to bottom in sequence, the left and right two sides of the inner portion of the flow blocking passage are both provided with sliding rods, the sliding rods on the two sides are connected through a sliding plate, and the middle position of the upper portion of the sliding plate is connected with a connection block.The one-way type drain valve is additionally provided with a connection ring and a connection groove, when the connection block enters the water inlet passage to block gases or liquids, the connectionring synchronously enters the connection groove to block the gases or the liquids, the blocking performance of the valve can be improved by a double blocking structure, and then the one-way flow performance of the valve is further enhanced, and the one-way type drain valve has good market competitiveness.

Description

technical field [0001] The invention belongs to the technical field of valves, in particular to a one-way drain valve. Background technique [0002] With the development of modern science and technology, the use of steam trap valves in steam heating systems is becoming more and more common. Although the production technology of the existing one-way trap valve is becoming more and more mature, there are still some shortcomings to be improved. [0003] The existing technology has the following problems: the existing one-way drain valve (reference case: CN201821723791.0) only relies on the connecting block to block gas or liquid to realize the function of one-way flow of the drain valve, the structure is simple, and the block Performance is poor. Contents of the invention [0004] In order to solve the problems raised in the above-mentioned background technology. The invention provides a one-way drain valve, which has the characteristics of being able to improve the blocki...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16T1/12F16T1/38F16K15/06F16K27/02
CPCF16T1/12F16T1/383F16T1/38F16K15/063F16K27/0209
Inventor 徐亮亮姚维华
Owner TONGLING XINGRONG VALVE FITTINGS CO LTD
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