Low-temperature gas cylinder pressure stabilizing valve

A technology of pressure-stabilizing valve and gas cylinder, used in safety valve, balance valve, valve device and other directions, can solve the problems of low sealing reliability of upper and lower seals, hidden safety hazards, etc., achieve good sealing performance, slow down impact, slow down airflow impact effect

Inactive Publication Date: 2014-11-05
江南工业集团有限公司
View PDF7 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the background technology, the low-temperature regulator valves currently used in cryogenic gas cylinders or container pipelines in China generally use threaded regulator valves. In the screw plug, because the screw plug and the bottom of the valve body are connected by threads, the sealing reliability of the upper and lower seals is not high, and there are potential safety hazards in long-term use in low temperature environments

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Low-temperature gas cylinder pressure stabilizing valve
  • Low-temperature gas cylinder pressure stabilizing valve
  • Low-temperature gas cylinder pressure stabilizing valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] The preferred embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0034] see figure 1 , a low-temperature gas cylinder regulator valve, which includes a pressure regulating screw 1, a lock nut 2, a valve cover 3, a spring pressure block 4, a pressure regulating spring 5, a rubber diaphragm 6, a valve stem 7, a gasket 8, a sealing Part 9, valve body 10, return spring 11, O-ring 12, valve core 13, rectangular sealing ring 14, compression screw 15, valve stem sealing ring 16, locking bolt 17, spring tray 18, air hole 19 , Block 20.

[0035] see image 3 , Figure 4 , the valve body 10 is an integrated structure with an inner cavity, the upper part of the valve body 10 cavity is designed with a buffer air cavity 22, the middle part of the valve body 10 cavity is designed with a seal installation cavity 23, and the bottom of the valve body 10 cavity is designed with a valve core assembly Mounting cavity 24...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a low-temperature gas cylinder pressure stabilizing valve and belongs to the technical field of low-temperature container valves. The low-temperature gas cylinder pressure stabilizing valve is mainly characterized in that a pressure adjusting screw, a locking nut, a valve cover, a spring pressing block, a pressure adjusting spring, a rubber film piece, a valve rod, a sealing pad, a sealing piece, a valve body, a return spring, an O-shaped sealing ring, a valve element, a rectangular sealing ring, a pressing screw, a valve rod sealing ring, a locking bolt, a spring tray, an air vent and a plug are included, the valve body is of an inner cavity integrated structure, a fabric layer is arranged in the rubber film piece, the valve rod, the sealing piece, the return spring and the valve element are integrally formed in the valve body, the sealing performance of the pressure stabilizing valve can be effectively improved, meanwhile, the coaxiality and the verticality of parts are guaranteed, outlet pressure stability is maintained, and the low-temperature gas cylinder pressure stabilizing valve has the advantages of being reasonable in structure, good in sealing performance, stable in outlet pressure, long in service life and the like.

Description

technical field [0001] The invention relates to a low-temperature gas cylinder pressure-stabilizing valve, which belongs to the technical field of low-temperature container valves, and is especially suitable for making low-temperature gas cylinders The output pressure is stable. Background technique [0002] In order to ensure the safety of liquefied natural gas, liquid oxygen, liquid nitrogen and other cryogenic liquefied gases during storage and transportation, it is necessary to adjust the pressure regulator valve to ensure the stability of the gas flow pressure in the cryogenic gas cylinder or container pipeline, so the cryogenic gas cylinder is stable As a core safety component, the pressure valve has always attracted much attention. In the background technology, the low-temperature regulator valves currently used in cryogenic gas cylinders or container pipelines in China generally use threaded regulator valves. In the screw plug, since the screw plug is connected to ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): F16K17/20
CPCF16K17/24
Inventor 王湘江李泽平刘亮王健李崇华陈鹏杨巾莹石钊
Owner 江南工业集团有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap