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Improved chimney valve

A flue valve and valve body technology, applied in valve devices, engine components, mechanical equipment, etc., can solve the problems of not meeting actual use requirements, increasing manufacturing costs, and large friction coefficients, achieving enhanced sealing and reduced friction coefficients. , the effect of improving work performance

Inactive Publication Date: 2016-07-06
宜兴市宇龙电炉成套设备有限公司
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Problems solved by technology

[0002] In the existing flue valve, the gap between the valve body and the valve core is relatively large, and the air leakage rate reaches about 20%, which does not meet the actual use requirements. Moreover, the rolling sleeve is used to connect the actuator and the valve body, and its friction coefficient is relatively low. Large, so it is necessary to choose an actuator with a larger force, which increases the manufacturing cost

Method used

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0009] Such as figure 1 As shown, an improved flue valve according to the present invention includes a valve body 1 and a valve core 2, the valve core 2 is arranged inside the valve body 1, and at the joint A tapered connection edge 3 is provided, and an actuator 4 is arranged on the valve body 1, and the actuator 4 is movably connected with the valve body 1 through a rolling bearing 5; the taper between the tapered connection edge 3 and the vertical direction is within 10 Between -20°. The invention has reasonable structural design, stable and reliable overall operation, and adopts 10-20° conical connection edge to enhance the sealing between the valve body and the valve core, and the air leakage rate is reduced from 20% to 5%, greatly improving The working performance is improved, and the rolling bearing is used to reduce the friction coefficient be...

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Abstract

The invention relates to an improved chimney valve which comprises a valve body and a valve core, wherein the valve core is arranged inside the valve body; a tapered connecting edge is arranged at the connection part of the valve body and the valve core; an actuating mechanism is arranged on the valve body; and the actuating mechanism is movably connected with the valve body through a rolling bearing. According to the improved chimney valve, the manufacturing cost is low, the sealing effect is good, and the gas leakage rate is 5% or below.

Description

technical field [0001] The invention relates to a valve body, in particular to a valve body for a chimney. Background technique [0002] In the existing flue valve, the gap between the valve body and the valve core is relatively large, and the air leakage rate reaches about 20%, which does not meet the actual use requirements. Moreover, the rolling sleeve is used to connect the actuator and the valve body, and its friction coefficient is relatively low. Large, so it is necessary to choose an actuator with a larger force, which increases the manufacturing cost. Contents of the invention [0003] Purpose of the invention: The purpose of the invention is to overcome the deficiencies in the prior art and provide an improved flue valve with low manufacturing cost, good sealing effect and air leakage rate lower than 5%. [0004] Technical solution: In order to solve the above technical problems, an improved flue valve according to the present invention includes a valve body and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K51/00
Inventor 庞全法
Owner 宜兴市宇龙电炉成套设备有限公司
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