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Guide rail vacuum connection rod gate valve

A technology of guide rail type and plug-in valves, which is applied in the direction of sliding valves, valve details, valve devices, etc., can solve the problems of no heat insulation, inappropriateness, etc., and achieve the effect of easy disassembly, assembly and maintenance, and convenient operation

Active Publication Date: 2014-06-18
SHENYANG VACUUM TECH INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above two flapper valves also have the disadvantages of no water cooling and no heat insulation components, so they are not suitable for use in long-term high-temperature radiation environments.

Method used

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  • Guide rail vacuum connection rod gate valve
  • Guide rail vacuum connection rod gate valve
  • Guide rail vacuum connection rod gate valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] As shown in the figure, a guide rail type vacuum connecting rod plug-in valve includes a valve body 2; a transmission mechanism is provided in the working cavity of the valve body 2; the transmission mechanism includes two symmetrical parallel guide rails 6; The guide rail 6 includes an upper rail working surface 601 and a lower rail working surface 602; one end of the lower rail working surface 602 is equipped with a sinking groove 12; the upper rail working surface 601 is provided with a fixed matching guide wheel mechanism I4 Valve frame 7; the guide wheel mechanism I4 is in sliding connection with the upper track working surface 601; the lower track working surface 602 is provided with a valve plate 8 fixedly connected to the guide wheel mechanism II5; the guide wheel mechanism II5 is connected to the lower layer The track working surface 602 is slidingly connected; one end of the valve body 2 is fixed with a cylinder 1; the push rod 13 of the cylinder 1 is connected ...

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Abstract

The invention belongs to the field of vacuum system elements, and particularly relates to a guide rail vacuum connection rod gate valve. The guide rail vacuum connection rod gate valve comprises a valve body (2) of which a work cavity is internally provided with a transmission mechanism; the transmission mechanism comprises two symmetrical parallel guide rails (6); the guide rails (6) comprise an upper layer rail work surface (601) and a lower layer rail work surface (602) of which one end part is provided with a sunk slot (12); the upper layer rail work surface (601) is provided with a valve frame (7) and is in slide connection with a guide wheel mechanism I (4); the lower layer rail work surface (602) is provided with a valve holder (8); a guide wheel mechanism II (5) is in slide connection with the lower layer rail (602); a connection rod (11) is arranged between the valve frame (7) and the valve plate (8). The guide rail vacuum connection rod gate valve is simple in structure, easy to disassemble, good in sealing property, high in reliability and suitable for high-temperature radiation work conditions.

Description

Technical field [0001] The invention belongs to the field of vacuum system components, and particularly relates to a guide rail type vacuum connecting rod plug-in valve applied to vacuum metallurgical equipment with high-temperature radiation to isolate or communicate two chambers. Background technique [0002] In the working process of the vacuum induction furnace, due to the needs of secondary feeding and launder casting, vacuum isolation and sealing are often used between the melting chamber and the feeding chamber and the ingot chamber to realize various operations under vacuum. At present, the valves used are all ball-type vacuum flapper valves or spring-type vacuum flapper valves. The ball type vacuum flapper valve uses an inclined surface to push the ball and tighten the leaf spring to achieve the sealing purpose. However, in the use of the equipment, dust particles often jam the ball, which makes the valve unable to close normally, which greatly reduces the reliability of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K3/02F16K3/314F16K3/316F16K49/00
CPCF16K3/02F16K3/0254F16K3/316F16K49/00
Inventor 孙足来宋静思马海玲
Owner SHENYANG VACUUM TECH INST
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