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Sealing device used in liquid environment

A sealing device and liquid environment technology, which is applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problem of sealing performance degradation and achieve effective isolation and protection

Active Publication Date: 2014-04-02
山西北方晋东化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the process of packaging, turnover, transportation, maintenance and use, the product will inevitably be affected by external vibrations, resulting in a decrease in sealing performance

Method used

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  • Sealing device used in liquid environment
  • Sealing device used in liquid environment
  • Sealing device used in liquid environment

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Experimental program
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Embodiment Construction

[0016] In order to make the purpose, content and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0017] Such as figure 1 , 2 As shown in and 3, the sealing device used in the liquid environment provided by the present invention includes a connecting screw 1, a sealing screw 2, an extension tube 3, a central tube 4 and a filling 5, and the extension tube 3 and the connecting screw 1 threaded connection, the threaded connection part is coated with sealant; the filling material 5 is filled inside the central tube 4; one end of the central tube 4 is self-sealed, and the other end is set on the A cylindrical surface of the extension tube 3, and the central tube 4 is made by applying external pressure. Deformation, its inner wall is in contact with the B cone surface of the extension tube 3; the sealing screw 2 is screw...

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PUM

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Abstract

The invention belongs to the field of a mechanical industry. For the purpose of realizing the sealing effect through thread locking forces among parts and a material transformation preload. The invention provides a sealing device used in a liquid environment. The sealing device used in the liquid environment comprises a connection thread, a sealing thread, a delay tube, a centre tube and filler. The sealing and isolation effect can be realized depending on the locking force caused by the threaded connection between the delay tube and the connection thread, and the material transformation preload generated by pressing the centre tube through the treaded tightening of the sealing tread and the connection thread. Therefore, the sealing-limited structure because a larger sealing piece cannot be placed inside a limited space can be effectively overcome. With the adoption of the sealing device provided by the invention, the internal component can be effectively isolated and protected. The sealing device is especially applicable for sealing of an explosion component at the center of a water-based fire extinguishing bomb.

Description

technical field [0001] The invention belongs to the field of machinery industry, and in particular relates to a sealing device used in a liquid environment. Background technique [0002] For devices stored in a liquid environment for a long time, the sealing requirements are relatively high, especially in devices that do not have enough space to fill the seals, the sealing technology is more difficult. During the process of packaging, turnover, transportation, maintenance and use, the product will inevitably be affected by external vibrations, resulting in a decrease in sealing performance. [0003] In view of the above, how to develop a sealing device that can be used in a liquid environment and has good shock resistance and sealing performance is a direction and goal that those skilled in the art need to strive to achieve. Contents of the invention [0004] (1) Technical problems to be solved [0005] The technical problem to be solved by the present invention is to pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/00
Inventor 杨爱义孟宪宝王虎史朝阳张秀梅
Owner 山西北方晋东化工有限公司
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