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CN-224214772-U - Novel alcohol-based fuel bottle control valve integrating pressure release valve and breather valve

CN224214772UCN 224214772 UCN224214772 UCN 224214772UCN-224214772-U

Abstract

The utility model provides a novel alcohol-based fuel bottle control valve integrating a pressure release valve and a breather valve, belongs to the technical field of steel bottle valves, and aims to solve the problems of complex structure and dispersed functions of the existing control valve. The control valve main body is a four-way valve body, the vertical cavity is provided with a regulating valve core and a check flow valve core, the horizontal right section is provided with a liquid outlet and a filling/recycling interface, the left section is provided with a pressure relief breathing sub-valve and the like, and the pressure relief breathing sub-valve is composed of a polytetrafluoroethylene ball plug and the like, so that pressure control and gas exchange are realized. The control valve integrates multiple functions, and can control the valve to be opened and closed through the rotary valve handle, so that gas and liquid can be exchanged during airtight filling, the fuel leakage is avoided, the whole structure is novel and practical, the use is convenient, and the control valve is suitable for producing, storing and transporting new energy alcohol-based liquid fuel.

Inventors

  • TIAN LICHAO
  • XU DONGHUI
  • Shi Jinzheng

Assignees

  • 青县金民科技有限公司

Dates

Publication Date
20260508
Application Date
20250513

Claims (7)

  1. 1. The novel alcohol-based fuel bottle control valve integrating a pressure release valve and a breather valve is characterized by comprising a control valve main body (6), a valve handle (1), a fastening nut (3), a pressure nut (4), a regulating valve core (5), a check valve core (7), a pressure release breather valve (8), a pressure release spring (9), a plug (11), an outlet connecting piece (18), a liquid guide tube (10) and a liquid filter (20), wherein the control valve main body (6) is a four-way valve body with a cross inner cavity, the regulating valve core (5) and the check valve core (7) are arranged on the upper section of the vertical valve cavity of the control valve main body (6), an external thread is meshed with an internal thread formed in the vertical valve cavity of the control valve main body (6) and a step (3) is sleeved with three fluororubber sealing rings (2) which are connected in the vertical valve of the control valve main body (6) in a sealing mode and are pressed and fixed by the pressure nut (4), the top of the regulating valve core (5) is provided with an external thread which is meshed with the four-way valve body with the cross inner cavity, the regulating valve core (5) is provided with a gasket (24) and the bottom of the regulating valve core (7) is connected with the compression nut (23), the bottom of the check valve core (7) is connected with the lower section of the vertical cavity of the control valve main body (6) to form a liquid guide pore passage (601), an internal thread is formed at the bottom opening part of the vertical cavity of the control valve main body (6) in the liquid guide pore passage (601), an external thread is formed at the top pipe expanding part of the liquid guide pipe (10) which is engaged and connected by internal threads, and the bottom of the liquid guide pipe (10) is connected with a liquid filter (20); the control valve main body (6) is characterized in that a transverse right section valve hole cavity comprises a liquid outlet (15) and a liquid filling/gas recycling interface (17), an outlet connecting piece (18) is arranged at the outer opening part of the right section valve hole cavity, the outlet connecting piece (18) is formed by arranging an outlet connecting screw mouth (12) on a pressing parent body of a connecting piece pressing nut (21) which is positioned at the upper part and opposite to the liquid outlet (15), a fireproof barrier (14) is arranged at the lower part, the connecting piece pressing nut (21) is provided with an external thread sleeved with a fluororubber sealing ring and then engaged with an internal thread arranged at the outer opening part of the transverse right section valve hole cavity of the control valve main body (6), a pressure relief breathing sub-valve (8), a pressure relief spring (9) and a screwed plug (11) are sequentially arranged from inside to outside in the transverse left Duan Fakong cavity of the control valve main body (6), the screwed plug (11) is engaged with the transverse left Duan Fa recycling cavity of the control valve main body (6), and the right part of the pressure relief breathing sub-valve (8) is connected with the liquid filling/gas recycling interface (17), the upper part is connected with a backflow prevention valve core (7), and the lower part is connected with a liquid guide pore canal (601).
  2. 2. The novel alcohol-based fuel bottle control valve integrating the pressure release valve and the breather valve as claimed in claim 1, wherein the pressure release breather valve (8) is composed of a polytetrafluoroethylene ball plug (801), a pressure release breather valve body (802), a fluororubber sealing pad (803), a valve core spring (804) and a spring pin seat (805), the valve core spring (804) is connected with the polytetrafluoroethylene ball plug (801) in an inner cavity of the pressure release breather valve body (802), the spring pin seat (805) sleeved with the fluororubber sealing pad (803) is connected with an outer opening of the pressure release breather valve body (802), and the valve core spring (804) is connected and pinned by the spring pin seat (805).
  3. 3. The novel alcohol-based fuel bottle control valve integrating the pressure release valve and the breather valve as claimed in claim 1, wherein a liquid outlet connecting pipe (151) is further communicated with a transverse left Duan Fakong cavity opening part of the control valve main body (6), the liquid outlet connecting pipe (151) is in butt joint with a liquid outlet (15), and an external thread of an internal thread engaging rubber cap (22) is formed on an external opening part of the liquid outlet (15).
  4. 4. The novel alcohol-based fuel bottle control valve integrating the pressure release valve and the breather valve as claimed in claim 1, wherein the fireproof barrier (14) is made of a high-temperature-resistant flame-retardant material, and a honeycomb-shaped flow guide structure for blocking flame propagation and reducing gas flow rate is arranged in the novel alcohol-based fuel bottle control valve.
  5. 5. The novel alcohol-based fuel bottle control valve integrating the pressure release valve and the breather valve as claimed in claim 1, wherein the fluororubber sealing ring (2) and the fluororubber sealing gasket (803) are of an alcohol-based fuel corrosion resistant structure made of food-grade fluororubber.
  6. 6. The novel alcohol-based fuel bottle control valve integrating the pressure release valve and the breather valve as claimed in claim 1, wherein the opening pressure threshold of the pressure release breather valve (8) is 0.1-0.3MPa, and the closing pressure threshold is 0.05-0.15MPa.
  7. 7. The novel alcohol-based fuel bottle control valve integrating the pressure release valve and the breather valve as claimed in claim 1, wherein the control valve main body (6) is a valve body structure which is made of 316 stainless steel, has a surface subjected to passivation treatment and has corrosion resistance reaching the ASTM A967 standard.

Description

Novel alcohol-based fuel bottle control valve integrating pressure release valve and breather valve Technical Field The utility model belongs to the technical field of steel cylinder valves, and relates to a novel control valve of a new energy alcohol-based liquid fuel bottle. Background With the increasing development and technical progress of alcohol-based liquid fuel production and application, the technical requirement on the control valve used for producing and applying the new energy alcohol-based liquid fuel storage bottle is also higher and higher, because the control valve is directly related to the production quality and application safety of the new energy alcohol-based liquid fuel. In the prior art, the alcohol-based liquid fuel is mainly mixed by using methanol and ethanol, and is usually stored in an alcohol-based liquid fuel bottle due to the characteristics of the alcohol-based liquid fuel, and a control valve used in the existing new energy alcohol-based liquid fuel storage bottle is an alcohol-based liquid fuel bottle valve which is provided with a pressure release valve and a breather valve on the alcohol-based liquid fuel bottle so as to ensure safe storage of the alcohol-based liquid fuel in the alcohol-based liquid fuel bottle, but the pressure release valve and the breather valve are respectively independent valves due to the limited structure, and the pressure release valve and the breather valve are connected to the alcohol-based liquid fuel bottle in series or in parallel in practical application, so that the alcohol-based liquid fuel bottle valve has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing pressure release, and the like, but has complicated structure, has complex operation, and gas in the tank can not ensure safe discharge during filling, and brings inconvenience to practical application. As another example, chinese patent grant publication No. CN 210034610U discloses a technical scheme of an alcohol-based fuel control valve, it includes that top and bottom of baffle one side all are provided with first round bar, the surface of two first round bars is all fixedly connected with gasket, the one end of first round bar is all fixedly connected with first stabilizer, the surface of first stabilizer is fixedly connected with second round bar and third round bar respectively, the surface fixed connection of second round bar has first gear, can solve old-fashioned valve and close the problem of delay waste fuel, it is mainly to cooperate to be connected to alcohol-based fuel kitchen range, can be actually installed and just receive the restriction on the alcohol-based liquid fuel bottle, still there is further improvement and research and development a control valve space suitable for new forms of alcohol-based liquid fuel storage bottle. In order to adapt to the development and technical progress of new energy alcohol-based liquid fuel for production, storage and transportation, there is a need for further improvement and development of a novel control valve for new energy alcohol-based liquid fuel storage bottles. Disclosure of utility model In order to overcome the defects of the prior art, the technical problem that the control valve for the existing new energy alcohol-based liquid fuel storage bottle is complex in structure, and the alcohol-based liquid fuel bottle valve which integrates a pressure release valve and a breather valve and cannot ensure safe discharge of gas in a tank during filling cannot be solved. The utility model aims to provide a novel and practical control valve which is of a novel and practical structure, is convenient to use, integrates a pressure release valve and a breather valve, and is suitable for producing and transporting new energy alcohol-based liquid fuel storage bottles. The utility model solves the problems by adopting the following technical scheme: A novel control valve of an alcohol-based fuel bottle integrating a pressure release valve and a breather valve comprises a control valve main body, a valve handle, a fastening nut, a pressing nut, a regulating valve core, a check valve core, a pressure release breather valve, a pressure release spring, a plug, an outlet connecting piece, a liquid guide tube and a liquid filter, wherein the control valve main body is a four-way valve body with a cross-shaped inner cavity, the upper section of the vertical valve cavity of the control valve main body is provided with the regulating valve core and the check valve core, the core body of the regulating valve core is provided with an external thread which is engaged with the inner thread which is arranged in the vertical valve cavity of the control valve main body, the core body is provided with a step-shaped concave-convex step, the top of the regulating valve core is provided with a fluororubber sealing ring which is in the vertical valve cavity and is pressed and fixed by the press