Sealing filling structure for carrying out high-pressure filling on bottle body
A bottle filling and filling technology, which is applied in the field of high-pressure filling containers and filling structures, can solve the problems of large axial and radial space of the bottle body, increased processing difficulty, complicated filling structure, etc., and achieves compact layout and simple structure. , the effect of simplifying the loading structure
Active Publication Date: 2018-01-12
北京北机机电工业有限责任公司
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Problems solved by technology
[0002] The high-pressure fire extinguisher usually completes the filling through the filling mechanism during the filling process. In order to meet the sealing and safety during filling, the bottle body of the high-pressure fire extinguisher must be processed with a filling structure that matches the filling equipment. Currently, the commonly used filling structure is It will occupy a large axial and radial space on the bottle body, causing the volume of the fire extinguisher to be too large. In addition, the existing filling structure is also very complicated, which increases the difficulty of processing and also increases the production cost.
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[0025] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0026] as attached figure 1 As shown, the present invention provides a sealing structure of a high-pressure filling bottle body, the sealing filling structure includes a bottle body 7, a sealing locking member 5 and a sealing film 6;
[0027] The bottle mouth of the bottle body 7 is processed with two continuous and axially distributed right-angle stepped holes, the first stepped hole is located at the bottle mouth, and the bottom surface of the first stepped hole is the sealing surface between the air flow channel and the outside world during filling. The second step hole is located at the rear of the bottle mouth, the diameter of the first step hole is larger than the diameter of the second step hole; the first step hole and the inner circumferential surface of the second step hole are processed with threads ;
[0028] as attached figure 2 As shown, ...
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The invention discloses a sealing filling structure for carrying out high-pressure filling on a bottle body. The sealing filling structure comprises the bottle body, a sealing locking part and a sealing film, wherein two continuous stepped holes are machined in the bottle opening of the bottle body, the bottom surface of the first-stage stepped hole is a sealing surface for isolating a gas flow channel from the outside during filling, and the diameter of the first-stage stepped hole is larger than that of the second-stage stepped hole; threads are machined on the inner circumferential surfaceof the starting section of the first-stage stepped hole and the inner circumferential surface of the starting section of the second-stage stepped hole; and the sealing locking part is movably connected in the second-stage stepped hole of the bottle body, and the sealing film is arranged between the front end face of the sealing locking part and the bottom face of the second-stage stepped hole. When the gap between the sealing film and the sealing surface is larger than 0.5 mm, high-pressure gas can enter the interior of the bottle body through the gap, a high-pressure gas flow channel is formed between the sealing locking part and the wall surface of the second-stage stepped hole, and a tool is used for rotating the sealing locking part to tightly press the sealing film to isolate the interior of the bottle body from the outside after filling is finished.
Description
technical field [0001] The invention relates to a container for high-pressure filling, in particular to a filling structure of the container, through which the sealing structure is used to realize high-pressure filling, and belongs to the technical field of valve sealing structures. Background technique [0002] The high-pressure fire extinguisher is usually filled by a filling mechanism during the filling process. In order to meet the sealing and safety during filling, the bottle body of the high-pressure fire extinguisher must be processed with a filling structure that matches the filling equipment. Currently, the commonly used filling structure is It will occupy relatively large axial and radial spaces on the bottle body, resulting in an excessively large volume of the fire extinguisher. In addition, the existing filling structure is also very complicated, which increases the difficulty of processing and also increases the production cost. Contents of the invention [0...
Claims
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IPC IPC(8): F17C5/06F17C13/00F17C13/06F17C1/00
Inventor 赵春颜刘静
Owner 北京北机机电工业有限责任公司