Split gas control valve and gas channel structure thereof

Abstract

The utility model relates to the technical field of fuel gas control valves, in particular to a split fuel gas control valve and an air passage structure thereof, which comprise a pressure regulator and a flow control valve, the pressure regulator is in threaded connection with the flow control valve, one end of the pressure regulator far away from the flow control valve is provided with a switch valve body, one end of the flow control valve far away from the pressure regulator is provided with an outlet connector, and the outlet connector is connected with the pressure regulator. Two electromagnetic valves are arranged at the upper end of the flow control valve; fuel gas enters from the switch valve body, when the gas is not used for a long time, the valve can be manually closed, a gas source is cut off, and safety is improved. The pressure regulator enables the gas at the outlet to keep stable and appropriate working pressure through two-stage pressure reduction, and a heater is arranged to heat a gas source when necessary; and the flow control valve part realizes four-gear control through respective opening and closing of two electromagnetic valves, namely closing, small flow, medium flow, large flow and gas reaching corresponding pressure and flow after adjustment are output through an outlet joint, so that the device is not compact in structure, low in cost, good in coil waterproofness and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas control valve technical field, concretely is a kind of split gas control valve and its gas passage structure. BACKGROUND

[0002] Gas is the general term of gaseous fuel, it can burn and release heat, for residents and industrial enterprises use. Gas has many kinds, mainly natural gas, artificial gas, liquefied petroleum gas, biogas, coal gas etc.

[0003] The existing gas wind warm air source adjusting device pressure regulator, proportional valve, flow control part is integrally formed, and the comprehensive cost is higher, and gas passage structure is unreasonable, and the structure is complex, and the volume is big, and the structure is not compact. Therefore, the utility model provides a kind of split gas control valve and its gas passage structure for solving the above problems. UTILITY MODEL CONTENT

[0004] The utility model is to provide a kind of split gas control valve and its gas passage structure to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a gas passage structure, comprising: pressure regulator and flow control valve, the pressure regulator and flow control valve are screwed together, the one end of pressure regulator away from flow control valve is provided with switch valve body, the one end of flow control valve away from pressure regulator is provided with outlet connector, the upper end of flow control valve is provided with two solenoid valves;

[0006] The inner end of flow control valve includes gas outlet, vertical gas passage, horizontal gas passage, longitudinal gas passage one and longitudinal gas passage two;

[0007] Solenoid valve includes coil and adjusting rod, the lower end of adjusting rod is inserted into coil, valve core is arranged between solenoid valve and flow control valve, the upper end of valve core is provided with spring, the top end of valve core and the lower end of adjusting rod contact.

[0008] Preferably, the outlet connector is communicated with longitudinal gas passage one.

[0009] Preferably, the outer end of longitudinal gas passage one is screwed with plug one, and the outer end of longitudinal gas passage two is screwed with plug two.

[0010] Preferably, the vertical gas passage is arranged between horizontal gas passage and gas outlet.

[0011] Preferably, the bottom end of flow control valve is screwed with flow adjusting rod, and the upper end of flow adjusting rod is located in longitudinal gas passage two.

[0012] Preferably, the upper end of flow control valve is fixedly installed with valve cylinder, the bottom end of valve cylinder is provided with valve core sealing gasket, the lower end of valve cylinder is communicated with longitudinal gas passage one, and the lower end of valve core is inserted into valve cylinder.

[0013] A split gas control valve comprising the gas passage structure.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] Gas enters from the switch valve body, and when gas is not used for a long time, the valve can be manually closed to cut off the gas source, improving safety; the pressure regulator reduces pressure by two stages to keep the outlet gas at a stable appropriate working pressure, contains a heater, and heats the gas source when necessary; the flow control valve part is opened and closed by two solenoids to realize four-grade control: closed, small flow, medium flow, and large flow; the gas at the corresponding pressure and flow after adjustment is output through the outlet joint, so that the device has a compact structure, reduces cost, has good coil waterproofness, and has a long service life. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the utility model;

[0017] Fig. 2 It is a flow control valve cross section gas passage view of the utility model;

[0018] Fig. 3 It is a flow control valve and solenoid connection schematic view of the utility model;

[0019] Fig. 4 It is a flow control valve cross section view of the utility model.

[0020] In the figure: 1, adjusting rod; 2, coil; 3, valve cylinder; 4, plug one; 5, plug two; 6, flow adjusting rod; 7, flow control valve; 8, valve core sealing gasket; 9, valve core; 10, spring; 11, longitudinal gas passage one; 13, longitudinal gas passage two; 14, gas outlet; 15, vertical gas passage; 16, horizontal gas passage; 101, switch valve body; 102, pressure regulator; 103, outlet joint; 104, solenoid. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme of the utility model clear, complete, and the advantage more clear and apparent, the following will be further described in detail by combining with the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all the embodiments, only to explain the embodiments of the utility model, and not to limit the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a gas passage structure, it is including: pressure regulator 102 and control flow valve 7, pressure regulator 102 and control flow valve 7 are screwed together, control flow valve 7 is replaced brass material with die casting aluminum, compact structure, low in production cost, pressure regulator 102 is provided with switch valve body 101 at one end far from control flow valve 7, switch valve body 101 is connected with the gas pipeline outside, gas enters from here, when not using gas for a long time, can manually close the valve, cut off the gas source, improve safety, control flow valve 7 is provided with outlet joint 103 at one end far from pressure regulator 102, outlet joint 103 is connected with the air inlet pipe of the equipment using gas, gas is transported to the equipment using gas through outlet joint 103, the upper end of control flow valve 7 is provided with two electromagnetic valves 104.

[0023] The inner end of control flow valve 7 includes gas outlet 14, vertical air passage 15, horizontal air passage 16, longitudinal air passage one 11 and longitudinal air passage two 13, outlet joint 103 and longitudinal air passage one 11 are communicated, vertical air passage 15 is arranged between horizontal air passage 16 and gas outlet 14, the outer end of longitudinal air passage one 11 is screwed with plug one 4, the outer end of longitudinal air passage two 13 is screwed with plug two 5, after the pressure regulation of pressure regulator 102, gas enters control flow valve 7 through horizontal air passage 16, then enters longitudinal air passage one 11, then enters the working chamber of two electromagnetic valves 104 respectively, when electromagnetic valve 104 does not work under electricity, gas cannot be output, when electromagnetic valve 104 is electrified and opened, gas enters longitudinal air passage two 13 through vertical air passage 15, then is output through the middle outlet joint 103, control flow valve 7 is provided with gas outlet 14, gas can enter through vertical air passage 15 and be used by gas equipment such as generator;

[0024] Electromagnetic valve 104 includes coil 2 and adjusting rod 1, the lower end of adjusting rod 1 is inserted into coil 2, valve core 9 is arranged between electromagnetic valve 104 and control flow valve 7, valve cylinder 3 is fixedly installed at the upper end of control flow valve 7, valve core sealing gasket 8 is arranged at the bottom end of valve cylinder 3, the lower end of valve cylinder 3 is communicated with longitudinal air passage two 11, the lower end of valve core 9 is inserted into valve cylinder 3 and contacts valve core sealing gasket 8, spring 10 is arranged at the upper end of valve core 9, the top end of valve core 9 contacts the lower end of adjusting rod 1, flow adjusting rod 6 is screwed at the bottom end of control flow valve 7, the upper end of flow adjusting rod 6 is located in longitudinal air passage two 13, by adjusting the screwing depth of two flow adjusting rods 6, the gap at the taper surface can be changed, two different flows on the left and right sides can be obtained, the left side is small flow, the right side is large flow, left electromagnetic valve 104 works alone, the internal gas circuit is opened, small flow is obtained, right electromagnetic valve 104 works alone, medium flow is obtained, two electromagnetic valves 104 work simultaneously, large flow is obtained, so the switching of different flow gears is realized.

[0025] A split gas control valve, comprising the above-mentioned gas passage structure.

[0026] When the device works, gas enters from the switch valve body 101, and when the gas is not used for a long time, the valve can be manually closed to cut off the gas source and improve safety; the pressure regulator 102 reduces the pressure by two stages to keep the outlet gas at a stable appropriate working pressure, and a heater is included to heat the gas source if necessary; the flow control valve 7 is partially opened and closed by two electromagnetic valves 104 to realize four-grade control: closed, small flow, medium flow, and large flow, and the adjusted gas reaches the corresponding pressure and flow, which is output through the outlet joint 103.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An airway structure comprising: The pressure regulator (102) and the flow control valve (7) are characterized in that the pressure regulator (102) and the flow control valve (7) are screwed together, the pressure regulator (102) is provided with a switch valve body (101) at the end away from the flow control valve (7), the flow control valve (7) is provided with an outlet connector (103) at the end away from the pressure regulator (102), and the upper end of the flow control valve (7) is provided with two electromagnetic valves (104). The inner end of the flow control valve (7) comprises an air outlet (14), a vertical air duct (15), a horizontal air duct (16), a longitudinal air duct one (11) and a longitudinal air duct two (13). The electromagnetic valve (104) comprises a coil (2) and an adjusting rod (1), the lower end of the adjusting rod (1) is inserted into the coil (2), a valve core (9) is arranged between the electromagnetic valve (104) and the flow control valve (7), the upper end of the valve core (9) is provided with a spring (10), and the top end of the valve core (9) is in contact with the lower end of the adjusting rod (1).

2. An airway as claimed in claim 1, wherein: The outlet connector (103) is in communication with the longitudinal air duct one (11).

3. An airway as claimed in claim 1 wherein: The outer end of the longitudinal air duct one (11) is screwed with a plug one (4), and the outer end of the longitudinal air duct two (13) is screwed with a plug two (5).

4. An airway as claimed in claim 1, wherein: The vertical air duct (15) is arranged between the horizontal air duct (16) and the air outlet (14).

5. An airway as claimed in claim 1, wherein: The bottom end of the flow control valve (7) is screwed with a flow adjusting rod (6), and the upper end of the flow adjusting rod (6) is located in the longitudinal air duct two (13).

6. An airway as claimed in claim 1 wherein: The upper end of the flow control valve (7) is fixedly installed with a valve cylinder (3), the bottom end of the valve cylinder (3) is provided with a valve core sealing gasket (8), the lower end of the valve cylinder (3) is in communication with the longitudinal air duct one (11), and the lower end of the valve core (9) is inserted into the valve cylinder (3).

7. A split gas control valve characterized by: The air duct structure of any one of claims 1-6 is included.

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