Cylinder filling adaptor

A technology for filling joints and gas cylinders, which is applied in the directions of gas/liquid distribution and storage, container discharge methods, container filling methods, etc., and can solve problems such as poor sealing effect, easy air leakage, and easy damage to gas cylinder components

Active Publication Date: 2010-09-15
北京北机机电工业有限责任公司
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the defects of poor sealing effect, easy gas leakage and easy damage to gas cylinder components existing in the existing gas cylinder filling joints, the present invention prov

Method used

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] Such as figure 1 Shown is a structural schematic diagram of the gas cylinder filling joint installed on the gas cylinder. The valve body of the gas cylinder 1 is provided with an inflation port 2 through which the gas cylinder 1 is inflated and deflated. The inner wall of the gas filling port 2 includes a cylindrical part 21 and a conical part 22 along the direction from the distal end to the proximal end. The cylindrical part 21 is a cylindrical inner wall with a smooth surface, and the conical part 22 is partially conical or Spherical inner wall. The gas cylinder filling joint of the pr...

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Abstract

The invention provides a cylinder filling adaptor, which aims to solve the problem that the conventional cylinder filling adaptor has the drawbacks of having low sealing and airtight performance and damaging a cylinder component, and comprises an inner core and a connecting sleeve, wherein the inner core is internally provided with an air flue, an elastic body is sleeved around the outside of a connection part at the near end of the inner core, and the outer side, adjacent to the connection part, on the periphery of the inner core is provided with a protrusion; the connecting sleeve is comprised of a connecting section and a thrust section, the connecting section has a cylinder structure with a positively-rotatable internal threads, and the thrust section is an inner step arranged at the far end of the connecting sleeve, the connecting sleeve is sleeved on the inner core from the far end of the inner core with the thrust section clamped at the position of the protrusion of the inner core and the connecting section matched with the positively-rotatable internal thread at the external wall of the inflation inlet to make the connection part, with the elastic body, of the inner core enter the cylinder part at the inner wall of an inflation inlet to form sealed fit. The cylinder filling adaptor has the advantages of avoiding gas leakage in a gas filling process and avoiding damaging the cylinder components in installation and use.

Description

technical field [0001] The invention relates to a connection device for filling gas into a gas cylinder, in particular to a gas cylinder filling joint. Background technique [0002] In the prior art, after one end of the gas cylinder filling joint is aligned with the filling port of the gas cylinder, the other end must be aligned with the safety valve of the gas cylinder and clamped to fix the gas cylinder filling joint. One end aligned with the filling port of the gas cylinder is connected to inflate the gas cylinder. The disadvantages of the above technical solution are: first, the cooperation between the filling joint of the gas cylinder and the gas charging port is a spherical seal, which belongs to the "hard-to-hard" sealing method, the sealing effect is poor, and it is easy to leak; second, due to the gas charging port and the safety The valve is not in the same axis, and the filling joint of the gas cylinder is fixed by the safety valve so that the filling joint of t...

Claims

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Application Information

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IPC IPC(8): F17C13/00
Inventor 金学玲
Owner 北京北机机电工业有限责任公司
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