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Double cover sealing structure

A sealing mechanism and locking mechanism technology, applied in nuclear engineering, portable protective containers, etc., can solve the problems of radioactive gas leakage, affecting the opening and closing actions, air pressure changes of closed containers, etc., to simplify the driving mechanism and prevent pollution. Effect

Pending Publication Date: 2019-02-22
HTA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the above-mentioned sealing device easily leads to changes in the air pressure in the airtight container, which affects the smooth completion of the opening and closing actions, and even causes the lid to fail to close properly, resulting in the leakage of radioactive gas in the barrel.

Method used

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  • Double cover sealing structure
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Embodiment Construction

[0027] The present invention will be further illustrated below in conjunction with the accompanying drawings and specific examples. The examples are implemented on the premise of the technical solutions of the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0028] Such as figure 1 and figure 2 As shown, the double-cover sealing mechanism includes a shielding barrel, a shielding barrel cover, an airtight transfer barrel and an airtight transfer barrel cover 9;

[0029] The shielding lid is provided with a shielding lid locking ring 3, and the shielding lid locking ring 3 is fixedly provided with a shielding lid lock 31;

[0030] The upper end of the shielding barrel is provided with a barrel chamber locking block 5;

[0031] The shielding bucket lid locking ring 3 is rotated so that the shielding bucket lid lock 31 cooperates with the barrel ch...

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Abstract

The invention relates to a double cover sealing structure, and belongs to the technical field of sealing device. When a shielding barrel and a shielding barrel cover are tightly locked, an airtight transferring barrel cover and a shielding barrel cover are in an unlocking state, a gas discharging valve of the shielding barrel cover and a ventilation valve of an airtight transferring barrel cover are automatically started, at the moment shielding isolating device inner cavities are formed by the shielding barrel cover and the airtight transferring barrel cover to allow an airtight transferringbarrel to be communicated with an inner cavity of a shielding barrel, it is ensured that the air pressure in the airtight transferring barrel and the air pressure in the shielding barrel are the same,and therefore the opening and closing of the airtight transferring barrel cover can be smoothly completed; after the airtight transferring barrel cover and the shielding barrel cover are tightly locked, the gas discharging valve of the shielding barrel cover and the ventilation valve of the airtight transferring barrel cover are automatically switched off, and therefore it is ensured that the shielding barrel and the airtight transferring barrel maintain respectively airtight states.

Description

technical field [0001] The invention relates to a double-cover sealing mechanism, which belongs to the technical field of sealing devices. Background technique [0002] In the existing double-cap sealing technology, the patent application document "A Multi-point Locking Double-cap Sealing Device" published by the State Intellectual Property Bureau with the application number 201210356649.8 was published on January 16, 2013. date, the application relates to a multi-point locking double-cover sealing device, which includes an upper door assembly, a lower door assembly and special tools, and the upper and lower door assemblies each include a circular door panel, a door seat, multiple sets of locking and the unlocking device, wherein, the door panel is arranged in the door seat, and the multiple sets of locking and unlocking devices are evenly arranged around the center of the door panel, and the lower end of the door bolt of the upper door locking and unlocking device is slotte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21F5/12G21F5/06
CPCG21F5/06G21F5/12
Inventor 曹端段红建石翠艳翟丽娜王刚张春保孙钰林李光李楠张潇楠郑建坤韦韡
Owner HTA CO LTD
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