Integrated fuel gas proportional valve with sectional valve

Abstract

The invention relates to the technical field of gas proportional valves, and discloses an integrated gas proportional valve with a segmented valve, which comprises a supporting mechanism, the supporting mechanism comprises a supporting block, the inner wall of the supporting block is fixedly connected with a gas inlet pipe, and the inner wall of one side, far away from the gas inlet pipe, of the supporting block is fixedly connected with a blow-off pipe. A first electromagnetic valve is fixedly connected between the air inlet pipe and the blow-off pipe, a first air chamber is fixedly connected to the outer wall of the side, away from the blow-off pipe, of the supporting block, a first connecting frame fixedly sleeves the outer surface of the side, close to the first air chamber, of the supporting block, and a first sliding groove is formed in the inner wall of the top of the first air chamber; the side, close to the first sliding groove, of the first air chamber is fixedly connected with a second fixing shaft, and when the fuel gas proportional valve is used, the filtering mechanism filters impurities and dust in fuel gas to prevent the impurities and the dust from blocking a fuel gas channel or disturbing normal movement of a piston, so that abnormal work of the second electromagnetic valve is avoided, and the stability of fuel gas flow is ensured.

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] The integrated gas proportional valve is an advanced gas control device that integrates multiple functions such as gas flow regulation and pressure control. It can accurately adjust the gas input according to system requirements and achieve precise control of combustion power. It is widely used in wall-mounted boilers, water heaters and other gas equipment. It has the advantages of high efficiency, energy saving, stability and reliability, which can greatly improve the thermal efficiency of the equipment and reduce energy waste.

[0003] The patent application with application number CN202411269496.2 discloses an integrated gas proportional valve with a segmented valve. It 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 provided 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 provided between the gas chamber 1 and the gas flow groove, the sealing cover 1 is located above the through port 1, and a first regulating valve is also provided at the bottom of the valve body, the first regulating valve is located on the side of the first stop valve away from the air inlet joint.

[0004] In summary, during the use of the gas proportional valve, impurities and dust in the gas may enter the valve, block the gas channel or hinder the normal movement of the valve core, causing the valve to work abnormally, which may cause problems such as unstable gas flow and intermittent failures during equipment operation.

[0005] To this end, we proposed an integrated gas proportional valve with a sectional valve. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides an integrated gas proportional valve with a segmented valve to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an integrated gas proportional valve with a sectional valve, comprising a supporting mechanism, the supporting mechanism comprising a supporting block, the inner wall of the supporting block is fixedly connected to an air inlet pipe, the inner wall of the supporting block on a side away from the air inlet pipe is fixedly connected to a sewage pipe, a first solenoid valve is fixedly connected between the air inlet pipe and the sewage pipe, the outer wall of the supporting block on a side away from the sewage pipe is fixedly connected to a first air chamber, a first connecting frame is fixedly sleeved on an outer surface of a side of the supporting block close to the first air chamber, a first sliding groove is provided on the top inner wall of the first air chamber, a second fixed shaft is fixedly connected to a side of the first air chamber close to the first sliding groove, a first fixed shaft is fixedly connected to the inner wall of the first air chamber, a first connecting pipe is fixedly connected to an end of the first air chamber away from the sewage pipe, a second connecting pipe is fixedly connected to an end of the first connecting pipe away from the first air chamber, a second connecting pipe is fixedly connected between the second air chambers, an adjusting mechanism is arranged inside the second air chamber, and also includes: The filtering mechanism includes a filter frame slidably connected to a first fixed shaft, a through hole is provided on the outer surface of the filter frame, a first spring is fixedly connected to the bottom outer wall of the filter frame, an end of the first spring away from the filter frame is fixedly connected to the first fixed shaft, a second fixed frame is fixedly connected to the top inner wall of the filter frame, a first inclined plate is fixedly connected to the inner wall of the second fixed frame, a groove is provided on the outer surface of the filter frame, and the filter frame intercepts impurities and dust in the gas through the through hole to achieve filtering.

[0008] According to the above technical solution, the outer wall of the first connecting frame is fixedly connected to the first motor, the output end of the first motor passes through the first connecting frame and is fixedly connected to a rotating block, the rotating block is rotatably connected inside the groove, and when the first motor contacts the groove through the rotating block, the filter frame vibrates to prevent impurities from clogging the through hole.

[0009] According to the above technical solution, the top of the filter frame is rotatably connected to a first rotating rod via a rotating shaft, the end of the first rotating rod away from the filter frame is rotatably connected to a first sliding block via a rotating shaft, the first sliding block is slidably connected inside a first sliding groove, and the first sliding groove is used to limit the sliding distance of the first sliding block.

[0010] According to the above technical solution, the outer wall of one end of the first sliding block away from the first rotating rod is rotatably connected to the second rotating rod via a rotating shaft, the end of the second rotating rod away from the first sliding block is rotatably connected to the second sliding block via a rotating shaft, the second sliding block is movably sleeved on the outer surface of the second fixed shaft, the outer wall of the second sliding block on one side away from the second rotating rod is fixedly connected to the second spring, the end of the second spring away from the second sliding block is fixedly connected to the inner wall of the first air chamber, and the second fixed shaft is used to limit the moving range of the second sliding block to improve the stability of the second sliding block during movement.

[0011] According to the above technical solution, a third connecting pipe is fixedly connected to the top outer wall of the second air chamber, a combustion nozzle is fixedly connected to the outer surface of one end of the third connecting pipe away from the second air chamber, a first fixing frame is fixedly connected to the outer surface of the second air chamber, a second sliding groove is provided on the outer surface of the first fixing frame, and the combustion nozzle sprays the gas inside the third connecting pipe through the pressure difference.

[0012] According to the above technical solution, the regulating mechanism includes a second solenoid valve fixedly connected to the outer wall of the second air chamber, a connecting rod is fixedly connected to the outer wall of one end of the second solenoid valve close to the second air chamber, the end of the connecting rod away from the second solenoid valve passes through the second air chamber and is fixedly connected to a piston, and a sealing gasket is fixedly connected to the outer wall of one side of the piston close to the connecting rod, and the sealing gasket fills the gap between the piston and the second air chamber through elastic deformation, thereby improving the sealing performance.

[0013] According to the above technical solution, a second connecting frame is fixedly sleeved on the outer surface of the second solenoid valve, a second motor is fixedly connected to the outer wall of the second connecting frame on a side away from the second solenoid valve, an output end of the second motor passes through the second connecting frame and is fixedly connected to a driving wheel, the driving wheel is rollingly connected inside the second sliding groove, and the second sliding groove limits the rotation angle of the second connecting frame through the driving wheel.

[0014] According to the above technical solution, a through opening is provided on the outer surface of the piston, a second inclined plate is fixedly connected to the top of the piston, an air passage is provided on the outer surface of the second inclined plate, and the second inclined plate guides the gas to change its flow direction inside the second air chamber through the inclination angle.

[0015] Compared with the prior art, the present invention provides an integrated gas proportional valve with a segmented valve, which has the following beneficial effects: 1. The present invention provides an integrated gas proportional valve with a segmented valve. When the gas proportional valve is used, a filtering mechanism filters impurities and dust in the gas to prevent them from clogging the gas channel or interfering with the normal movement of the piston, thereby avoiding abnormal operation of the second solenoid valve and ensuring the stability of the gas flow.

[0016] 2. The present invention sets a supporting mechanism. When the gas enters through the intake pipe, the first solenoid valve opens the intake pipe and closes the drain pipe. After the gas containing impurities and dust enters the first air chamber, it is filtered by the filter frame. When the gas proportional valve completes one side operation and closes, the first solenoid valve opens the drain pipe and closes the intake pipe, so that the impurities and dust intercepted by the filter frame are discharged through the drain pipe, thereby preventing gas from leaking from the drain pipe.

[0017] 3. The present invention sets a filtering mechanism. When the first motor contacts the groove of the filter frame through the rotating block and causes the filter frame to vibrate, the filter frame drives the first sliding block to slide along the inner wall of the first sliding groove through the first rotating rod. The first sliding block pushes the second sliding block to slide along the outer surface of the second fixed shaft through the second rotating rod. At the same time, the second sliding block ensures that the sliding distance of the first sliding block is consistent through the second rotating rod, so that the vibration of the filter frame is more uniform. The vibration improves the efficiency of shedding impurities and dust on the outer surface of the filter frame.

[0018] 4. The present invention provides an adjustment mechanism. When the piston needs to be adjusted, the second motor rolls in the second sliding groove through the driving wheel, driving the second solenoid valve to deflect at an angle. The second solenoid valve adjusts the piston to slide to different heights through the connecting rod, thereby realizing different degrees of gas supply and switch control for the second air chambers in different sections. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The overall front structure of the present invention is shown in FIG. Figure 1 ; Figure 2 The overall front structure of the present invention is shown in FIG. Figure 2 ; Figure 3 It is a schematic diagram of the overall front cross-sectional structure of the present invention; Figure 4 It is a schematic cross-sectional structural diagram of the support mechanism of the present invention; Figure 5 The filter structure of the present invention is shown in FIG. Figure 1 ; Figure 6 The filter structure of the present invention is shown in FIG. Figure 2 ; Figure 7 It is a schematic diagram of the structure of the regulating mechanism of the present invention; Figure 8 For the present invention Figure 3 Schematic diagram of the enlarged structure of A.

[0020] In the figure: 1. Support mechanism; 101. Support block; 102. Air inlet pipe; 103. Drain pipe; 104. First solenoid valve; 105. First air chamber; 106. First connecting frame; 107. First motor; 108. Rotating block; 109. First fixed shaft; 110. First sliding groove; 111. Second fixed shaft; 112. First connecting pipe; 113. Second air chamber; 114. First fixed frame; 115. Second sliding groove; 116. Second connecting pipe; 117. Third connecting pipe; 118. Combustion nozzle; 2. Filter mechanism; 201 , filter frame; 202, first spring; 203, through hole; 204, groove; 205, second fixed frame; 206, first inclined plate; 207, first rotating rod; 208, first sliding block; 209, second rotating rod; 210, second sliding block; 211, second spring; 3, adjustment mechanism; 301, second solenoid valve; 302, second connecting frame; 303, second motor; 304, driving wheel; 305, piston; 306, through port; 307, second inclined plate; 308, airway; 309, connecting rod; 310, sealing gasket. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example 1: See Figure 1-Figure 4The present invention provides a technical solution: an integrated gas proportional valve with a sectional valve, comprising a support mechanism 1, the support mechanism 1 comprising a support block 101, an inner wall of the support block 101 is fixedly connected with an air intake pipe 102, an inner wall of the support block 101 on a side away from the air intake pipe 102 is fixedly connected with a drain pipe 103, a first solenoid valve 104 is fixedly connected between the air intake pipe 102 and the drain pipe 103, the first solenoid valve 104 is specifically a bistable solenoid valve, which can control the opening and closing of the air intake pipe 102 and the drain pipe 103 respectively, a first air chamber 105 is fixedly connected with an outer wall of the support block 101 on a side away from the drain pipe 103, the drain pipe 103 and the first air chamber 105 are located on the same central axis, and impurities and dust in the gas are discharged along the first air chamber 105 under the action of gravity. The inner wall of the air chamber 105 naturally flows to the sewage pipe 103, the outer surface of the side of the support block 101 close to the first air chamber 105 is fixedly sleeved with a first connecting frame 106, the top inner wall of the first air chamber 105 is provided with a first sliding groove 110, the side of the first air chamber 105 close to the first sliding groove 110 is fixedly connected with a second fixed shaft 111, the inner wall of the first air chamber 105 is fixedly connected with a first fixed shaft 109, the end of the first air chamber 105 away from the sewage pipe 103 is fixedly connected with a first connecting pipe 112, the end of the first connecting pipe 112 away from the first air chamber 105 is fixedly connected with a second air chamber 113, the second air chambers 113 are fixedly connected with second connecting pipes 116, the interior of the second air chamber 113 is provided with an adjusting mechanism 3, and also includes: The filter mechanism 2 includes a filter frame 201 slidably connected to the first fixed shaft 109, a through hole 203 is provided on the outer surface of the filter frame 201, a first spring 202 is fixedly connected to the bottom outer wall of the filter frame 201, and one end of the first spring 202 away from the filter frame 201 is fixedly connected to the first fixed shaft 109, a second fixed frame 205 is fixedly connected to the top inner wall of the filter frame 201, and a first inclined plate 206 is fixedly connected to the inner wall of the second fixed frame 205, and a groove 204 is provided on the outer surface of the filter frame 201. The filter frame 201 intercepts impurities and dust in the gas through the through hole 203 to achieve filtering, a third connecting pipe 117 is fixedly connected to the top outer wall of the second air chamber 113, and a combustion nozzle 118 is fixedly connected to the outer surface of the end of the third connecting pipe 117 away from the second air chamber 113, and the outer surface of the second air chamber 113 is fixedly connected to the first fixed frame 114, and the first fixed frame 114 The outer surface of the second sliding groove 115 is provided. When the gas enters through the intake pipe 102, the first solenoid valve 104 opens the intake pipe 102 and closes the drain pipe 103. After the gas containing impurities and dust enters the first air chamber 105, it is filtered through the filter frame 201. When the gas proportional valve completes the operation on one side and closes, the first solenoid valve 104 opens the drain pipe 103 and closes the intake pipe 102, so that the impurities and dust intercepted by the filter frame 201 are discharged through the drain pipe 103. The filtered gas flows out from the second fixing frame 205 on the top of the filter frame 201, passes through the first inclined plate 206 on the inner wall of the second fixing frame 205, and is guided to the first connecting pipe 112, and then enters the second air chamber 113. The regulating mechanism 3 adjusts the flow direction of the gas in the second air chamber 113. When the gas flows to the third connecting pipe 117, the combustion nozzle 118 uses the pressure difference to spray the gas in the third connecting pipe 117.

[0025] The outer wall of the first connecting frame 106 is fixedly connected to the first motor 107, the output end of the first motor 107 passes through the first connecting frame 106 and is fixedly connected to a rotating block 108, and the rotating block 108 is rotatably connected inside the groove 204. When cleaning impurities and dust attached to the outer surface of the filter frame 201, the first motor 107 contacts the groove 204 of the filter frame 201 through the rotating block 108, causing the filter frame 201 to vibrate, thereby preventing impurities from clogging the through hole 203.

[0026] Example 2: Please refer to Figure 5-Figure 6 , Figure 8On the basis of the first embodiment, the present invention provides a technical solution: the top of the filter frame 201 is rotatably connected to a first rotating rod 207 through a rotating shaft, and the first rotating rod 207 is rotatably connected to a first sliding block 208 at one end away from the filter frame 201 through a rotating shaft. The first sliding block 208 is slidably connected inside the first sliding groove 110, and the first sliding groove 110 is used to limit the sliding distance of the first sliding block 208. The outer wall of one end of the first sliding block 208 away from the first rotating rod 207 is rotatably connected to a second rotating rod 209 through a rotating shaft, and the end of the second rotating rod 209 away from the first sliding block 208 is rotatably connected to a second sliding block 210 through a rotating shaft. The second sliding block 210 is movably sleeved on the outer surface of the second fixed shaft 111, and the outer wall of one side of the second sliding block 210 away from the second rotating rod 209 is fixedly connected to a second spring 211, and the second spring 211 is far away One end of the second sliding block 210 is fixedly connected to the inner wall of the first air chamber 105, and the second fixed shaft 111 is used to limit the moving range of the second sliding block 210 to improve the stability of the second sliding block 210 during movement. When the first motor 107 contacts the groove 204 of the filter frame 201 through the rotating block 108 and causes the filter frame 201 to vibrate, the filter frame 201 drives the first sliding block 208 to slide along the inner wall of the first sliding groove 110 through the first rotating rod 207, and the first sliding block 208 pushes the second sliding block 210 to slide along the outer surface of the second fixed shaft 111 through the second rotating rod 209. At the same time, the second sliding block 210 ensures that the sliding distance of the first sliding block 208 is consistent through the second rotating rod 209, so that the vibration of the filter frame 201 is more uniform, thereby increasing the possibility of impurities and dust attached to the outer surface of the filter frame 201 falling off.

[0027] Example 3: Please refer to Figure 7On the basis of the first and second embodiments, the present invention provides a technical solution: the regulating mechanism 3 includes a second solenoid valve 301 fixedly connected to the outer wall of the second air chamber 113, the outer wall of one end of the second solenoid valve 301 close to the second air chamber 113 is fixedly connected to a connecting rod 309, the end of the connecting rod 309 away from the second solenoid valve 301 passes through the second air chamber 113 and is fixedly connected to a piston 305, the outer wall of one side of the piston 305 close to the connecting rod 309 is fixedly connected to a sealing gasket 310, and the sealing gasket 310 passes through the outer wall of the second solenoid valve 301. The piston 305 is elastically deformed to fill the gap between the piston 305 and the second air chamber 113, thereby improving the sealing performance. A through hole 306 is provided on the outer surface of the piston 305, and a second inclined plate 307 is fixedly connected to the top of the piston 305. An air passage 308 is provided on the outer surface of the second inclined plate 307. When the gas enters the first connecting pipe 112, the second solenoid valve 301 pushes the through hole 306 of the piston 305 toward the first connecting pipe 112, so that the gas flows into the second connecting pipe 116 through the through hole 306 on the outer surface of the piston 305, and When the gas enters the second gas chamber 113 of different sections, when it is necessary to guide the gas from the current second gas chamber 113 to the third connecting pipe 117, the second motor 303 drives the second solenoid valve 301 to deflect the piston 305 counterclockwise through the driving wheel 304, and pulls the piston 305 through the connecting rod 309, so that the second inclined plate 307 and the second connecting pipe 116 are at the same height. The second inclined plate 307 guides the gas in the second gas chamber 113 to flow to the third connecting pipe 117 through its inclined angle. When it is necessary to guide the gas to different sections at the same time, When the second air chamber 113 supplies gas, the second motor 303 drives the second solenoid valve 301 to drive the piston 305 to deflect clockwise through the driving wheel 304, so that the gas channel 308 on the inner wall of the second inclined plate 307 is aligned with the second connecting pipe 116, and the gas is transported from the side of the third connecting pipe 117 to the second connecting pipe 116 through the gas channel 308, and then enters the second air chamber 113 of different sections. By adjusting the rotation angle between the gas channel 308 and the second connecting pipe 116, the air intake of the corresponding second air chamber 113 can be controlled.

[0028] A second connecting frame 302 is fixedly sleeved on the outer surface of the second solenoid valve 301, and a second motor 303 is fixedly connected to the outer wall of the second connecting frame 302 on one side away from the second solenoid valve 301. The output end of the second motor 303 passes through the second connecting frame 302 and is fixedly connected to a driving wheel 304. The driving wheel 304 is rollingly connected inside the second sliding groove 115. When the piston 305 needs to be angularly deflected, the second motor 303 rotates the driving wheel 304 in the second sliding groove 115 through the driving wheel 304 fixedly connected to the output end, thereby driving the second connecting frame 302 and the second solenoid valve 301 to rotate. The second solenoid valve 301 drives the piston 305 to angularly deflect through the connecting rod 309, and the second sliding groove 115 limits the rotation angle of the second connecting frame 302 through the driving wheel 304.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An integrated gas proportional valve with a sectional valve, comprising a support mechanism (1), the support mechanism (1) comprising a support block (101), the inner wall of the support block (101) being fixedly connected to a first air chamber (105), the inner wall of the first air chamber (105) being fixedly connected to a first fixed shaft (109), characterized in that: Also included are: The filter mechanism (2) comprises a filter frame (201) slidably connected to a first fixed shaft (109); a through hole (203) is provided on the outer surface of the filter frame (201); a first spring (202) is fixedly connected to the bottom outer wall of the filter frame (201); an end of the first spring (202) away from the filter frame (201) is fixedly connected to the first fixed shaft (109); a second fixed frame (205) is fixedly connected to the top inner wall of the filter frame (201); a first inclined plate (206) is fixedly connected to the inner wall of the second fixed frame (205); and a groove (204) is provided on the outer surface of the filter frame (201).

2. The integrated gas proportional valve with a sectional valve according to claim 1, characterized in that: An air intake pipe (102) is fixedly connected to the inner wall of the support block (101); a sewage discharge pipe (103) is fixedly connected to the inner wall of the support block (101) on a side away from the air intake pipe (102); a first solenoid valve (104) is fixedly connected between the air intake pipe (102) and the sewage discharge pipe (103); a first connecting frame (106) is fixedly sleeved on the outer surface of a side of the support block (101) close to the first air chamber (105); a first sliding groove (110) is provided on the top inner wall of the first air chamber (105); A second fixed shaft (111) is fixedly connected to one side of the first air chamber (105) close to the first sliding groove (110); an end of the first air chamber (105) away from the sewage pipe (103) is fixedly connected to a first connecting pipe (112); an end of the first connecting pipe (112) away from the first air chamber (105) is fixedly connected to a second air chamber (113); second connecting pipes (116) are fixedly connected between the second air chambers (113); and an adjusting mechanism (3) is provided inside the second air chamber (113).

3. The integrated gas proportional valve with a sectional valve according to claim 2, characterized in that: A first motor (107) is fixedly connected to the outer wall of the first connecting frame (106); an output end of the first motor (107) passes through the first connecting frame (106) and is fixedly connected to a rotating block (108); the rotating block (108) is rotatably connected inside the groove (204); when the first motor (107) contacts the groove (204) through the rotating block (108), the filter frame (201) generates vibration to prevent impurities from clogging the through hole (203).

4. The integrated gas proportional valve with a sectional valve according to claim 3, characterized in that: The top of the filter frame (201) is rotatably connected to a first rotating rod (207) via a rotating shaft; one end of the first rotating rod (207) away from the filter frame (201) is rotatably connected to a first sliding block (208) via a rotating shaft; the first sliding block (208) is slidably connected inside a first sliding groove (110); the first sliding groove (110) is used to limit the sliding distance of the first sliding block (208).

5. The integrated gas proportional valve with a sectional valve according to claim 4, characterized in that: The outer wall of one end of the first sliding block (208) away from the first rotating rod (207) is rotatably connected to the second rotating rod (209) via a rotating shaft; the end of the second rotating rod (209) away from the first sliding block (208) is rotatably connected to the second sliding block (210) via a rotating shaft; the second sliding block (210) is movably sleeved on the outer surface of the second fixed shaft (111); the outer wall of one side of the second sliding block (210) away from the second rotating rod (209) is fixedly connected to a second spring (211); the end of the second spring (211) away from the second sliding block (210) is fixedly connected to the inner wall of the first air chamber (105); the second fixed shaft (111) is used to limit the movement range of the second sliding block (210) to improve the stability of the second sliding block (210) during movement.

6. The integrated gas proportional valve with a sectional valve according to claim 2, characterized in that: A third connecting pipe (117) is fixedly connected to the top outer wall of the second air chamber (113); a combustion nozzle (118) is fixedly connected to the outer surface of one end of the third connecting pipe (117) away from the second air chamber (113); a first fixing frame (114) is fixedly connected to the outer surface of the second air chamber (113); a second sliding groove (115) is provided on the outer surface of the first fixing frame (114); and the combustion nozzle (118) sprays the gas inside the third connecting pipe (117) through a pressure difference.

7. The integrated gas proportional valve with a sectional valve according to claim 2, characterized in that: The regulating mechanism (3) comprises a second solenoid valve (301) fixedly connected to the outer wall of the second air chamber (113); a connecting rod (309) is fixedly connected to the outer wall of one end of the second solenoid valve (301) close to the second air chamber (113); an end of the connecting rod (309) away from the second solenoid valve (301) passes through the second air chamber (113) and is fixedly connected to a piston (305); a sealing gasket (310) is fixedly connected to the outer wall of one side of the piston (305) close to the connecting rod (309); the sealing gasket (310) fills the gap between the piston (305) and the second air chamber (113) through elastic deformation, thereby improving the sealing performance.

8. The integrated gas proportional valve with a sectional valve according to claim 7, characterized in that: A second connecting frame (302) is fixedly sleeved on the outer surface of the second solenoid valve (301); a second motor (303) is fixedly connected to an outer wall of the second connecting frame (302) away from the second solenoid valve (301); an output end of the second motor (303) passes through the second connecting frame (302) and is fixedly connected to a driving wheel (304); the driving wheel (304) is rollingly connected inside the second sliding groove (115); and the second sliding groove (115) limits the rotation angle of the second connecting frame (302) through the driving wheel (304).

9. The integrated gas proportional valve with a sectional valve according to claim 8, characterized in that: The outer surface of the piston (305) is provided with a through hole (306), the top of the piston (305) is fixedly connected with a second inclined plate (307), the outer surface of the second inclined plate (307) is provided with an air passage (308), and the second inclined plate (307) guides the gas to change its flow direction inside the second air chamber (113) by adjusting the inclination angle.

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