Angular travel direct connection mechanism

A quarter-stroke and direct-connection technology, applied in the field of quarter-stroke direct-connection mechanisms, can solve problems such as waste of materials, low production efficiency, and failure to assemble valves

Inactive Publication Date: 2015-03-11
TIANJIN JINDA ACTUATOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The processing of this kind of actuator is time-consuming and laborious, and it is often impossible to assemble the valve without knowing the actual length of the valve stem. In this case, one is to take further processing, and the other is to replace parts. Causes low production efficiency and waste of materials

Method used

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  • Angular travel direct connection mechanism

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Embodiment Construction

[0018] Such as figure 1 As shown, the technical solution of the present invention is: a quarter-stroke direct coupling mechanism, comprising a valve box 1, a shaft worm gear 2 is arranged inside the valve box 1, and a worm is arranged on the upper part of the valve box 1, and the worm and Shaft worm gear 2 cooperates, and described valve box body 1 is provided with cover body 3 outside, and the two are connected by bolt, and described cover body 3 middle position is provided with through hole, and the through hole of described cover body 3 and shaft worm gear 2 is provided with a protective sleeve 4, and the shaft worm gear 2 and the indicator plate 5 are connected by bolts. The outer edge of the indicator plate 5 is equal to the outer diameter of the protective sleeve 4. The shaft worm gear 2 is provided with a through hole in the axial direction. A keyway with the same length is processed in the through hole of the shaft worm gear 2, and a valve stem is arranged in the throu...

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PUM

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Abstract

The invention provides an angular travel direct connection mechanism. The angular travel direct connection mechanism comprises a valve box, wherein a shaft worm wheel is arranged in the valve box; the upper part of the valve box is provided with a worm; the worm is matched with the shaft worm wheel; a cover body is arranged outside the valve box; a through hole is formed in the middle position of the cover body; a protective sleeve is arranged between the through hole of the cover body and the shaft worm wheel; the shaft worm wheel is connected with an indicator panel; the outer edge of the indicator panel is equal to the outer diameter of the protective sleeve; a through hole is formed in the axial direction of the shaft worm wheel; a valve rod is arranged in the through hole of the shaft worm wheel. The angular travel direct connection mechanism has the beneficial effects of simple structure, convenience in operation, high production efficiency and easiness in assembly with the valve rod.

Description

[0001] technical field [0002] The invention belongs to the field of valve actuators, in particular to an angular stroke direct coupling mechanism. Background technique [0003] When the whole series of quarter-turn direct-coupled actuators are connected to the valve, the output shaft in the actuator structure is processed into a shaft hole with a certain length and a keyway, and the shaft hole is used to connect with the valve stem in the valve. The processing of this kind of actuator is time-consuming and laborious, and the valve often cannot be assembled without knowing the actual length of the valve stem. In this case, one is to take further processing, and the other is to replace parts. Cause production efficiency to be low, and waste material. Contents of the invention [0004] The object of the present invention is to provide an angular stroke direct coupling mechanism with simple structure, convenient operation, high production efficiency and easy assembly with t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/04F16K31/53
CPCF16K31/04F16K31/53
Inventor 范晋蕊刘伟韩小君吴健庞地叶文秀
Owner TIANJIN JINDA ACTUATOR CO LTD
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