Integrated fuel gas proportional valve with sectional valve

Abstract

The invention relates to the technical field of gas proportional valves, in particular to an integrated gas proportional valve with a segmented valve. A gas inlet connector is arranged in a gas inlet groove of the valve body, a gas flowing groove is formed in the valve body, a first through opening is formed between the gas inlet groove and the gas flowing groove, a first stop valve is arranged at the bottom of the valve body and located below the first through opening, and a first gas bin is formed in the valve body. A first sealing cover is arranged between the first gas bin and the gas flowing groove and located above the first through opening, and a first adjusting valve is further arranged at the bottom of the valve body and located on the side, away from the gas inlet connector, of the first stop valve. Due to the adoption of the integrated design, the number and complexity of parts are reduced, a plurality of functional parts are integrated on one valve body, the purchase cost of raw materials is reduced, the production and processing cost is reduced, meanwhile, the transportation and storage cost is also reduced through the integrated design, and due to the fact that the overall size is smaller, the transportation cost and energy consumption can be reduced in the transportation process.

Description

Technical Field

[0001] The invention relates to the technical field of gas proportional valves, and in particular to an integrated gas proportional valve carrying a segmented valve. Background Art

[0002] In the field of gas equipment, precise control and efficient delivery of gas have always been key requirements. Traditional gas control devices are usually composed of multiple independent components, which are installed separately, which is not only costly, but also inconvenient during product assembly and installation.

[0003] In traditional devices, the connections between the components are complicated, and a lot of time and effort is required for assembly and debugging. At the same time, since the components are scattered and occupy a large space, there are many restrictions during installation, which reduces the installation efficiency. In addition, the cost of traditional devices is high, including not only the cost of raw materials, but also the cost of production, processing, transportation and warehousing. Summary of the invention

[0004] The object of the present invention is to provide an integrated gas proportional valve with a sectional valve to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution, which includes a valve body, an air inlet joint is arranged in the air inlet groove of the valve body, a gas flow groove is provided in the valve body, a through port 1 is provided between the air inlet groove and the gas flow groove, a first stop valve is arranged at the bottom of the valve body, the first stop valve is located below the through port 1, a gas chamber 1 is provided in the valve body, a sealing cover 1 is arranged between the gas chamber 1 and the gas flow groove, the sealing cover 1 is located above the through port 1, a first regulating valve is also arranged at the bottom of the valve body, and the first regulating valve is located on the side of the first stop valve away from the air inlet joint; A second passage is provided between the gas flow groove and the first gas chamber, the plug of the first regulating valve is disposed in the second passage, a first extrusion spring is disposed in the plug of the first regulating valve, and the other end of the first extrusion spring is disposed on the inner wall of the first gas chamber; A gas bin 2 is also provided in the valve body, a through opening 3 is opened between the gas flow grooves of the gas bin 2, and a plurality of gas nozzles 1 communicating with the gas bin 1 and a plurality of gas nozzles 2 communicating with the gas bin 2 are provided on the top of the valve body.

[0006] As a preferred embodiment of the present invention, a second stop valve is provided at the bottom of the valve body, the second stop valve is located below the port three, a sealing cover two is provided in the gas flow groove, the sealing cover two is located between the first regulating valve and the second stop valve, an oblique through hole groove is provided on the side of the port two, one end of the oblique through hole groove is located above the port three and communicated with the gas chamber one, and the other end of the oblique through hole groove is located behind the sealing cover two and communicated with the gas flow groove.

[0007] As a preferred embodiment of the present invention, a second regulating valve is provided at the bottom of the valve body, a plug of the second regulating valve is set in the opening three, an extrusion spring two is provided in the plug of the second regulating valve, and the other end of the extrusion spring two is set on the inner wall of the gas chamber two.

[0008] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects: The present invention adopts an integrated design to reduce the number and complexity of parts and components, integrates multiple functional components on a valve body, reduces the procurement cost of raw materials, and thus reduces the production and processing cost. At the same time, the integrated design also reduces transportation and warehousing costs. Due to the smaller overall volume and lighter weight, transportation costs and energy consumption can be reduced during transportation.

[0009] The integrated valve body structure of the present invention makes the assembly process simpler and faster. It is no longer necessary to assemble and connect multiple scattered components one by one, which greatly reduces the assembly time and workload, reduces the probability of errors made by workers during the assembly process, and improves the assembly quality and reliability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the present invention; Figure 2 This is an overall side sectional view of the first embodiment of the present invention; Figure 3 This is a schematic diagram of the overall structure of Embodiment 2 of the present invention; Figure 4 This is an overall side sectional view of the second embodiment of the present invention.

[0011] Figure numerals: valve body 1, air inlet connector 2, first stop valve 3, first regulating valve 4, gas flow groove 5, gas chamber 1 6, sealing cover 1 7, air inlet groove 8, port 1 9, port 2 10, extrusion spring 1 11, gas chamber 2 12, port 3 13, gas nozzle 1 14, gas nozzle 2 15, sealing cover 2 16, second stop valve 17, oblique through hole groove 18, second regulating valve 19, extrusion spring 2 20. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention. Example

[0013] like Figure 1-Figure 2 As shown, the present invention proposes an integrated gas proportional valve with a sectional valve, which includes a valve body 1, an air inlet joint 2 is provided in an air inlet groove 8 of the valve body 1, the air inlet groove 8 is connected to a gas flow groove 5 in the valve body 1 through a through port 19, a first stop valve 3 is provided at the bottom of the valve body 1 below the through port 19, a gas bin 16 is provided in the valve body 1, a sealing cover 17 is provided between the gas bin 16 and the gas flow groove 5 above the through port 19, the gas flow groove 5 is connected to the gas bin 16 through a through port 210, a plug of the first regulating valve 4 is against the through port 210, an extrusion spring 11 is provided in the plug, and the spring is also provided with a spring 12. One end is against the inner wall of the gas bin 1 6, and a second stop valve 17 is also provided at the bottom of the valve body 1, which is located below the through port 3 13. The gas flow groove 5 is connected to the gas bin 2 12 through the through port 3 13. A sealing cover 2 16 is provided in the valve body 1 and is located between the first regulating valve 4 and the second stop valve 17. An oblique through hole groove 18 is provided on the side of the through port 2 10, one end of which is located above the through port 3 13 and communicates with the gas bin 1 6, and the other end of which is located behind the sealing cover 2 16 and communicates with the gas flow groove 5. There are several gas nozzles 14 connected to the gas bin 1 6 and several gas nozzles 2 15 connected to the gas bin 2 12 on the top of the valve body 1.

[0014] When in use, in the case of high temperature in summer, when only two or three gas nozzles can be used, the first stop valve 3 needs to be opened, and its plug drops, thereby opening the port 9, and then the first regulating valve 4 can be started, and the height of the plug of the second regulating valve 19 can be controlled by controlling the size of the current passed, thereby controlling the gas ratio; When all the gas nozzles need to be opened at the same time in winter, it is only necessary to continue to open the second stop valve 17. At this time, the gas ratio of all the gas nozzles can be controlled by controlling the first regulating valve 4. Example

[0015] like Figure 3-Figure 4As shown, the present invention proposes an integrated gas proportional valve with a segmented valve, which includes a valve body 1, the valve body 1 is provided with an air inlet groove 8, the air inlet groove 8 has an air inlet joint 2, a gas flow groove 5 is provided in the valve body 1, the air inlet groove 8 is connected with the gas flow groove 5 through a through port 19, a first stop valve 3 is provided below the through port 19 at the bottom of the valve body 1, a gas chamber 16 is provided in the valve body 1, a sealing cover 17 is provided above the through port 19 between the gas chamber 16 and the gas flow groove 5, a through port 210 is provided between the gas flow groove 5 and the gas chamber 16, and a first regulating valve The plug of 4 is against the passage 2 10, and there is an extrusion spring 11 in the plug, and the other end of the spring is against the inner wall of the gas bin 1 6. A gas bin 12 is also arranged in the valve body 1, and the gas bin 12 is connected with the gas flow groove 5 through the passage 3 13. A second regulating valve 19 is provided at the bottom of the valve body 1, and its plug is against the passage 3 13, and there is an extrusion spring 20 in the plug, and the other end of the spring is against the inner wall of the gas bin 12. There are several gas nozzles 14 communicating with the gas bin 1 6 and several gas nozzles 2 15 communicating with the gas bin 2 12 at the top of the valve body 1.

[0016] When in use, in the case of high temperature in summer, when only two or three gas nozzles can be used, the first stop valve 3 needs to be opened, and its plug drops, thereby opening the port 9, and then the first regulating valve 4 can be started, and the height of the plug of the second regulating valve 19 can be controlled by controlling the size of the current passed, thereby controlling the gas ratio; When all gas nozzles need to be opened at the same time in winter, it is only necessary to continue to open the second regulating valve 19. At this time, the gas outlet ratio of the first three gas nozzles 14 can be controlled by controlling the first regulating valve 4, and the gas outlet ratio of the last two gas nozzles 15 can be controlled by controlling the second regulating valve 19.

[0017] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. An integrated gas proportional valve with a segmented valve, comprising a valve body (1), wherein an air inlet joint (2) is arranged in an air inlet groove (8) of the valve body (1), and characterized in that: The valve body (1) is provided with a gas flow groove (5), a through port (9) is provided between the gas inlet groove (8) and the gas flow groove (5), a first stop valve (3) is provided at the bottom of the valve body (1), and the first stop valve (3) is located below the through port (9), a gas chamber (6) is provided in the valve body (1), a sealing cover (7) is provided between the gas chamber (6) and the gas flow groove (5), and the sealing cover (7) is located above the through port (9), and a first regulating valve (4) is also provided at the bottom of the valve body (1), and the first regulating valve (4) is located on a side of the first stop valve (3) away from the gas inlet joint (2); A second opening (10) is provided between the gas flow groove (5) and the gas chamber (6), the plug of the first regulating valve (4) is disposed in the second opening (10), a first extrusion spring (11) is disposed in the plug of the first regulating valve (4), and the other end of the first extrusion spring (11) is disposed in the inner wall of the gas chamber (6); A gas chamber 2 (12) is also provided in the valve body (1), a passage 3 (13) is provided between the gas chamber 2 (12) and the gas flow groove (5), and a plurality of gas nozzles 1 (14) communicating with the gas chamber 1 (6) and a plurality of gas nozzles 2 (15) communicating with the gas chamber 2 (12) are provided on the top of the valve body (1).

2. The integrated gas proportional valve with a sectional valve according to claim 1, characterized in that: A second stop valve (17) is provided at the bottom of the valve body (1), and the second stop valve (17) is located below the third port (13). A sealing cover (16) is provided in the gas flow groove (5), and the sealing cover (16) is located between the first regulating valve (4) and the second stop valve (17). An inclined through hole groove (18) is provided on the side of the second port (10), and one end of the inclined through hole groove (18) is located above the third port (13) and communicated with the first gas chamber (6), and the other end of the inclined through hole groove (18) is located behind the sealing cover (16) and communicated with the gas flow groove (5).

3. The integrated gas proportional valve with a sectional valve according to claim 1, characterized in that: A second regulating valve (19) is arranged at the bottom of the valve body (1), a plug of the second regulating valve (19) is disposed in the third passage (13), a second extrusion spring (20) is disposed in the plug of the second regulating valve (19), and the other end of the second extrusion spring (20) is disposed in the inner wall of the second gas chamber (12).

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