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Safety plug

A safety and retaining ring technology, applied in the field of blockage, can solve the problems of poor safety and achieve the effect of improving safety

Inactive Publication Date: 2014-03-19
中国船舶重工集团公司第七〇五研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcomings of poor safety of existing conventional blockages, the present invention provides a safety blockage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] refer to figure 2 . The safety plug of the present invention includes a casing 1, a retaining ring 2 and a plug 3, and the casing 1 is a rotating body. The end face of the top of the block 3 is designed with a round platform, and the retaining ring 2 is designed with a retaining ring groove that cooperates with the upper circular platform of the block 3, and the upper circular platform of the block 3 cooperates with the upper retaining ring groove of the retaining ring 2 to form a safety block.

[0014] Install the plug 3 into the hole of the housing 1 with a tool, and install the retaining ring 2 into the hole of the housing 1 with the retaining ring pliers.

[0015] During use, if the retaining ring 2 breaks, the circular platform structure on the plug 3 can prevent the retaining ring 2 from falling off, thereby ensuring that the plug 3 will not fall off from the housing 1 .

[0016] When the retaining ring breaks, the round platform on the block acts as a limiter,...

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PUM

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Abstract

The invention discloses a safety plug, and aims to solve the technical problem that an existing conventional safety plug is poor in safety. According to the technical scheme, the safety plug comprises a shell, a check ring and a plug body. A circular truncated cone is designed on the top end face of the plug body. A check ring groove matched with the circular truncated cone on the plug body is designed in the check ring. The circular truncated cone on the plug body is matched with the check ring groove in the check ring to form the safety plug. When the check ring is broken, the circular truncated cone on the plug body plays a limiting role, so that the check ring can not be disengaged from the check ring groove in the shell, it is guaranteed that the plug can not be disengaged from the shell, and safety of the plug is improved.

Description

technical field [0001] The present invention relates to a blockage, in particular to a safety blockage. Background technique [0002] refer to figure 1 , figure 2 , the existing conventional plug includes a housing 1, a retaining ring 2 and a plug 3. The housing 1 is a body of revolution. The working principle is to use retaining ring 2 to fix plug 3 on shell 1, mainly to prevent liquid leakage inside or outside shell 1. [0003] The biggest disadvantage of this structure is that the retaining ring 2 is prone to fatigue and breakage after repeated disassembly and assembly. When the product is sailing at high speed, the retaining ring 2 breaks, and the plug 3 is easy to fall off from the shell 1, resulting in liquid leakage. Contents of the invention [0004] In order to overcome the disadvantage of poor security of existing conventional blockages, the present invention provides a safety blockage. The safety plug includes a shell, a retaining ring and a plug. The top ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B17/00
Inventor 何杰陈少强李春雨单志雄王红卫
Owner 中国船舶重工集团公司第七〇五研究所
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