CN114562393A

CN114562393A - Self-adaptive gas inlet regulating valve of gas internal combustion engine

Info

Publication number: CN114562393A
Application number: CN202210450135.2A
Authority: CN
Inventors: 全华
Original assignee: Shandong Supermaly Generating Equipment Co ltd
Current assignee: Shandong Supermaly Generating Equipment Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-05-31
Anticipated expiration: 2042-04-27
Also published as: CN114562393B

Abstract

The invention relates to the technical field of regulating valves, in particular to an air inlet regulating valve of a self-adaptive gas internal combustion engine. It includes the casing and installs the intercommunication device in the casing inner, and the intercommunication device includes six guide rings and channel module, forms a linking channel between two relative guide rings, and the channel module sets up in linking channel, and the channel module includes straight tube, bulge pipe and concave pipe, wherein: two opposite guide rings are respectively connected with two ends of the straight pipe, the convex pipe and the concave pipe. According to the invention, the air outlet pipe is rotated to drive the channel assembly to adjust the position, when the funnel rings on two sides of the straight pipe are attached to the two inner pipes, the gas inflow of the inner pipe is in high-speed gas inflow, when the funnel rings on two sides of the concave pipe are attached to the two inner pipes, the gas inflow of the inner pipe is in low-speed gas inflow, the air inlet pipe is communicated with the inner pipe and divides the pressure of the inner pipe, when the funnel rings on two sides of the convex pipe are attached to the two inner pipes, the gas inflow of the inner pipe is in low-speed gas inflow, and the air outlet pipe is used for detecting the gas at the inner end of the inner pipe.

Description

Self-adaptive gas inlet regulating valve of gas internal combustion engine

Technical Field

The invention relates to a regulating valve, in particular to an air inlet regulating valve of a self-adaptive gas internal combustion engine.

Background

The gas internal combustion engine is a kind of power machine, it is through making the fuel burn in the machine, and the heat energy that it emits is the heat engine of the power directly that converts into, the gas internal combustion engine inner end generally presets the air inlet damper, in order to control the gas air input, guarantee the normal supply of the fuel.

Present gas internal-combustion engine air intake governing valve is mostly through changing inner shielding area, realize the different volume separation of gas, reach the regulation to the gas volume with this, this kind of regulation mode is when meetting the great condition of gas air input deviation, hardly guarantee to carry out atmospheric pressure regulation and control in the short time, simultaneously when gas content is too high or low excessively appearing, can't change combustion power through atmospheric pressure regulation this moment, need demolish whole gas pipeline, thereby take out the gas in pipeline the inner and examine, can judge gas content, the process is very loaded down with trivial details, and the equipment time is longer.

Disclosure of Invention

The invention aims to provide an adaptive gas inlet regulating valve of a gas internal combustion engine, which solves the problems in the background technology.

In order to achieve the purpose, the air inlet regulating valve of the self-adaptive gas internal combustion engine comprises a casing and a communication device arranged at the inner end of the casing, wherein the two sides of the casing are provided with connecting rings, the inner end of each connecting ring is provided with an inner pipe, the top end of the casing is provided with a top cover, the bottom end of the casing is provided with a bottom plate, the bottom end of the casing is provided with a collecting ring, the two sides of each connecting ring are provided with lantern rings, the side surfaces of the lantern rings and the side surfaces of the collecting rings are connected with supporting plates, the communication device comprises six guide rings and a channel assembly, the cross-sectional dimension of each guide ring is consistent with the cross-sectional dimension of the inner pipe, the side surfaces of each guide ring are connected with funnel rings, two opposite funnel rings in the six funnel rings are divided into one group, three groups are formed by a straight pipe group, an upper pipe group and a lower pipe group, and a connecting channel is formed between the two funnel rings, the improved tunnel structure comprises a tunnel component, a straight pipe, a convex pipe and a concave pipe, wherein the tunnel component is arranged at the inner end of a connecting passage and comprises the straight pipe, the convex pipe and the concave pipe, the two ends of the straight pipe are respectively connected with two funnel rings of a straight pipe set, the two ends of the convex pipe are respectively connected with the two funnel rings of an upper pipe set, a top groove is formed in the top end of the convex pipe, an air inlet pipe is arranged at the inner end of the top groove, the air inlet pipe is rotatably connected with a top cover, the two ends of the concave pipe are respectively connected with the two funnel rings of a lower pipe set, an air outlet pipe is connected with the bottom end of the concave pipe, the air outlet pipe is communicated with the inner end of the concave pipe, and the bottom end of the air outlet pipe is connected with an L-shaped pipe.

As a further improvement of the technical scheme, the two sides of the inner tube are both provided with a notch groove, a clamping block is connected between the side surfaces of the two guide rings, and the clamping block is in sleeve joint with the notch groove.

As a further improvement of the technical scheme, both sides of the inner end of the shell are provided with limiting arc plates, limiting grooves are formed in the side faces of the clamping blocks, and the limiting grooves are connected with the limiting arc plates in a sliding mode.

As a further improvement of the technical scheme, a plurality of balls are arranged on the upper side and the lower side of the limiting arc plate, the balls are in rolling connection with the side face of the limiting arc plate, arc grooves are formed in the inner sides of the limiting grooves, and the arc grooves are in rolling connection with the balls.

As a further improvement of the technical scheme, a collecting ring is arranged at the top end of the base plate, a collecting cavity is arranged at the inner end of the collecting ring, a through hole is formed in one side of the collecting ring, the through hole is communicated with the inner end of the collecting cavity, and the through hole is communicated with the L-shaped pipe.

As a further improvement of the technical scheme, a transparent plate is sleeved on the side face of the collecting ring and attached to the outer side of the collecting cavity.

As a further improvement of the technical scheme, a rotating ring is arranged at the top end of the convex pipe, the rotating ring is arranged at the top end of the top cover, and the rotating ring and the air inlet pipe are coaxially connected.

As a further improvement of the technical scheme, a plurality of scale plates are arranged on the side face of the rotating ring, the scale plates are arranged in an array mode, a plurality of scale grooves are formed in the inner side of the top cover, and the scale grooves are arranged in an array mode.

As a further improvement of the technical scheme, the top end of the air inlet pipe is sleeved with a pipe plug, and the size of the section of the bottom end of the pipe plug is consistent with that of the section of the inner end of the air inlet pipe.

As a further improvement of the technical scheme, a limiting pipe is arranged at the inner end of the air outlet pipe, the cross section of the limiting pipe is of a T-shaped structure, the limiting pipe is fixedly connected with the inner end of the air outlet pipe, the inner end of the limiting pipe is communicated with the inner end of the air outlet pipe, and the bottom end of the limiting pipe is fixedly connected with the bottom end of the L-shaped pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. in this self-adaptation gas internal-combustion engine governing valve that admits air, through rotating the outlet duct, it carries out position control to drive the passageway subassembly, when the funnel ring of straight tube both sides and two inner tubes laminating, inner tube gas air input is in high-speed air input, when the funnel ring of concave pipe both sides and two inner tubes laminating, inner tube gas air input is in low-speed air input, intake pipe and inner tube keep the intercommunication, to the intraductal partial pressure, when the funnel ring of protruding pipe both sides and two inner tubes laminating, inner tube gas air input is in the low-speed air input, the outlet duct is examined the gas of inner tube the inner.

2. In this self-adaptation gas internal-combustion engine governing valve that admits air, inject fixture block sliding position through spacing arc board and the spacing groove that sets up, guarantee that the fixture block can the horizontal rotation, avoid fixture block rotation in-process position offset to appear, cause the scratch to the casing inner wall very easily, influence the life of casing and fixture block.

3. In this self-adaptation gas internal-combustion engine governing valve that admits air, the fixture block rotates the in-process along spacing arc board, produces the stiction between spacing inslot side and the spacing arc board, can produce great resistance, need consume a large amount of efforts of operating personnel, replaces the stiction into rolling friction through the ball that sets up this moment, and the production of the resistance that significantly reduces alleviates operating personnel work load, improves rotation efficiency.

4. In this self-adaptation gas internal-combustion engine governing valve that admits air, the stopcock through setting up realizes the free switch function in intake pipe top, because carrying out the partial pressure in-process through the intake pipe, the gas can be along with the outside discharge in intake pipe top, atmospheric pressure resumes stable back, and a certain amount of gas is still built up to intake pipe inner, seals the intake pipe top through the stopcock this moment for the inner gas of intake pipe can't continue to leak, practices thrift a certain amount of gas resources.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a sectional view showing the whole structure of embodiment 1 of the present invention;

fig. 3 is a sectional view of a housing structure according to embodiment 1 of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3A according to embodiment 1 of the present invention;

fig. 5 is an exploded view of a collecting ring structure according to embodiment 1 of the present invention;

FIG. 6 is a disassembled view of the communicating means of embodiment 1 of the present invention;

FIG. 7 is a schematic structural view of a channel module according to embodiment 1 of the present invention;

FIG. 8 is an exploded view of a male pipe structure in accordance with embodiment 1 of the present invention;

fig. 9 is a sectional view of a concave pipe structure according to embodiment 1 of the present invention.

The various reference numbers in the figures mean:

10. a housing; 110. a connecting ring; 120. an inner tube; 121. a notch groove; 130. a top cover; 131. a scale groove; 140. a chassis; 150. a collection ring; 151. a collection chamber; 152. a through hole; 153. a transparent plate; 160. a collar; 170. a support plate; 180. a limiting arc plate; 181. a ball bearing;

20. a communication device; 210. a channel assembly; 211. a guide ring; 212. a funnel ring; 213. a clamping block; 2131. a limiting groove; 2132. an arc groove; 220. a straight pipe; 230. a convex pipe; 231. a top groove; 232. an air inlet pipe; 233. a pipe plug; 234. rotating the ring; 235. a scale plate; 240. a concave pipe; 241. an air outlet pipe; 242. an L-shaped pipe; 243. and a limiting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1-9, an adaptive gas engine intake regulating valve is provided, which includes a casing 10 and a communicating device 20 installed at an inner end of the casing 10, wherein two sides of the casing 10 are respectively provided with a connecting ring 110, an inner pipe 120 is installed at an inner end of the connecting ring 110, a top cover 130 is installed at a top end of the casing 10, a bottom plate 140 is installed at a bottom end of the casing 10, a collecting ring 150 is installed at a bottom end of the casing 10, two sides of the connecting ring 110 are respectively provided with a lantern ring 160, a support plate 170 is connected to a side surface of the lantern ring 160 and a side surface of the collecting ring 150, the communicating device 20 includes six guide rings 211 and a channel assembly 210, a cross-sectional dimension of the guide ring 211 is matched with a cross-sectional dimension of the inner pipe 120, a funnel ring 212 is connected to a side surface of each guide ring 211, two funnel rings 212 of the six funnel rings 212 are divided into a group, three groups are formed by a straight pipe group, an upper pipe group and a lower pipe group, a connecting channel is formed between the two funnel rings 212, the channel assembly 210 is arranged at the inner end of the connecting channel, the channel assembly 210 comprises a straight pipe 220, a convex pipe 230 and a concave pipe 240, two ends of the straight pipe 220 are respectively connected with two funnel rings 212 of the straight pipe group, two ends of the convex pipe 230 are respectively connected with the two funnel rings 212 of the upper pipe group, a top groove 231 is formed in the top end of the convex pipe 230, an air inlet pipe 232 is arranged at the inner end of the top groove 231, the air inlet pipe 232 is rotatably connected with the top cover 130, two ends of the concave pipe 240 are respectively connected with the two funnel rings 212 of the lower pipe group, the bottom end of the concave pipe 240 is connected with an air outlet pipe 241, the air outlet pipe 241 is communicated with the inner end of the concave pipe 240, and the bottom end of the air outlet pipe 241 is connected with an L-shaped pipe 242.

When the gas inlet pipe 232 is used specifically, the whole communication device 20 is driven to rotate by rotating the gas inlet pipe 232, when the guide rings 211 at the two ends of the straight pipe 220 are attached to the side surfaces of the two inner pipes 120, at the moment, the gas inlet amount at the inner ends of the two inner pipes 120 is in a high-speed gas inlet state, when the gas inlet amount needs to be adjusted, the gas inlet pipe 232 can be continuously rotated, when the guide rings 211 at the two ends of the convex pipe 230 are attached to the side surfaces of the two inner pipes 120, because the convex pipe 230 is in a convex structure, gas can be subjected to certain resistance when being transmitted at the inner end of the convex pipe 230, at the moment, the gas inlet amount at the inner ends of the two inner pipes 120 is in a low-speed gas inlet state, so that the function of freely adjusting the gas inlet amount is realized, meanwhile, the gas inlet pipe 232 is communicated with the inner end of the convex pipe 230, the gas at the inner end of the convex pipe 230 can be communicated with the outside through the gas inlet pipe 232, at the moment, the gas transmitted at the inner end of the convex pipe 230 can be supplied for pressure or mixed with other gases, when the guide rings 211 at the two ends of the concave pipe 240 are attached to the two inner pipes 120, the concave pipe 240 is in a concave structure, the gas inflow at the inner ends of the two inner pipes 120 is in a low-speed gas inflow state, meanwhile, the bottom end of the concave pipe 240 is connected with a gas outlet pipe 241, the gas at the inner end of the concave pipe 240 is led out of the outer end of the concave pipe 240 by the gas outlet pipe 241, and an operator can inspect the transmitted gas.

In addition, both sides of the inner tube 120 are provided with a notch groove 121, a latch 213 is connected between the side surfaces of the two guide rings 211, and the latch 213 is in sleeve fit with the notch groove 121. During the specific use, when the guide ring 211 laminating is at the inner tube 120 side, two fixture blocks 213 cup jointed the cooperation with two breach grooves 121 respectively this moment to prescribe a limit to the guide ring 211 position, improve the laminating stability between guide ring 211 and the inner tube 120, avoid appearing the gap between guide ring 211 and the inner tube 120, lead to the gas to leak along the gap, cause a large amount of wastes of resources.

Furthermore, both sides of the inner end of the housing 10 are provided with limiting arc plates 180, the side surface of the fixture block 213 is provided with a limiting groove 2131, and the limiting groove 2131 is slidably connected with the limiting arc plates 180. During specific use, the sliding position of the fixture block 213 is limited by the limiting arc plate 180 and the limiting groove 2131, so that the fixture block 213 can horizontally rotate, the position deviation of the fixture block 213 in the rotating process is avoided, the inner wall of the casing 10 is easily scratched, and the service lives of the casing 10 and the fixture block 213 are affected.

Still further, both sides all are provided with a plurality of balls 181 about spacing arc plate 180, and ball 181 keeps rolling connection with spacing arc plate 180 side, and spacing groove 2131 inboard is provided with arc 2132, and arc 2132 and ball 181 rolling connection. During specific use, fixture block 213 rotates the in-process along spacing arc plate 180, produces static friction between spacing groove 2131 inboard and the spacing arc plate 180, can produce great resistance, need consume a large amount of efforts of operating personnel, replaces rolling friction with static friction through the ball 181 that sets up this moment, and the production of the resistance that significantly reduces alleviates operating personnel work load, improves rotation efficiency.

Specifically, the top end of the base plate 140 is provided with a collecting ring 150, the inner end of the collecting ring 150 is provided with a collecting cavity 151, one side of the collecting ring 150 is provided with a through hole 152, the through hole 152 is communicated with the inner end of the collecting cavity 151, and the through hole 152 is communicated with the L-shaped pipe 242. During the specific use, the gas that L type pipe 242 collected is along with through-hole 152 arranges into and collects chamber 151 inner, collects chamber 151 inner packing and has detection reagent, detects the processing through detection reagent to the gas of through-hole 152 inner, can carry out a quantitative collection work to the gas again simultaneously, and help operating personnel better judgement gas content.

In addition, a transparent plate 153 is sleeved on the side surface of the collecting ring 150, and the transparent plate 153 is attached to the outer side of the collecting cavity 151. Transparent plate 153 preferentially adopts the glass material, and the light transmissivity is better, and operating personnel can directly observe the inside condition of collection chamber 151 through transparent plate 153, need not to dismantle whole collection ring 150, reduces operating personnel work load, improves detection efficiency.

Further, a rotating ring 234 is arranged at the top end of the protruding tube 230, the rotating ring 234 is arranged at the top end of the top cover 130, and the rotating ring 234 is coaxially connected with the air inlet pipe 232. Because intake pipe 232 top and top cap 130 side keep the parallel and level, rotate intake pipe 232 in-process, hardly find suitable application of force point, lead to rotating comparatively difficultly, the change 234 through setting up provides an application of force point in intake pipe 232 top this moment, and operating personnel accessible rotates scale plate 235 and indirectly drives intake pipe 232 and rotates, improves intake pipe 232 rotation efficiency.

Still further, swivel 234 side is provided with a plurality of scale plates 235, and each scale plate 235 is the array and arranges, and top cap 130 inboard has seted up a plurality of scale grooves 131, and each scale groove 131 is the array and arranges. Because intake pipe 232 rotates the in-process, can't judge whether guide ring 211 aligns with the inner tube 120 side, the deviation appears very easily only by operating personnel manual operation, improves an observation point of operating personnel through scale plate 235 and the scale groove 131 that set up this moment, and the scale plate 235 keeps the collinear with guide ring 211 centre of a circle, and operating personnel only need observe scale plate 235 turned position, can judge the position that guide ring 211 is located, improves guide ring 211 position control accuracy.

In addition, the top end of the air inlet pipe 232 is sleeved with a pipe plug 233, and the cross-sectional dimension of the bottom end of the pipe plug 233 is kept consistent with that of the inner end of the air inlet pipe 232. During specific use, realize the free switch function in intake pipe 232 top through the stopcock 233 that sets up, because carrying out the partial pressure in-process through intake pipe 232, the gas can be along with the outside discharge in intake pipe 232 top, and atmospheric pressure resumes stable back, and a certain amount of gas still is built up in intake pipe 232 the inner, seals intake pipe 232 top through stopcock 233 this moment for the unable continuation of intake pipe 232 inner gas is leaked, practices thrift a certain amount of gas resources.

In addition, the inner end of the air outlet pipe 241 is provided with a limiting pipe 243, the section of the limiting pipe 243 is of a T-shaped structure, the limiting pipe 243 is fixedly connected with the inner end of the air outlet pipe 241, the inner end of the limiting pipe 243 is communicated with the inner end of the air outlet pipe 241, and the bottom end of the limiting pipe 243 is fixedly connected with the bottom end of the L-shaped pipe 242. Because the bottom ends of the L-shaped pipe 242 and the air outlet pipe 241 are sleeved, the L-shaped pipe 242 is easily stressed too much and is not fixed with the air outlet pipe 241 due to the gravity action of the L-shaped pipe 242 and the impact force of gas, the inner end of the air outlet pipe 241 and the bottom end of the L-shaped pipe 242 are connected through the limiting pipe 243, and stable connection between the L-shaped pipe 242 and the air outlet pipe 241 can be guaranteed while normal exhaust of the L-shaped pipe 242 is guaranteed.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An air inlet regulating valve of an adaptive gas internal combustion engine comprises a machine shell (10) and a communicating device (20) arranged at the inner end of the machine shell (10), and is characterized in that: casing (10) both sides all are provided with go-between (110), go-between (110) inner is provided with inner tube (120), casing (10) top is provided with top cap (130), casing (10) bottom is provided with chassis (140), casing (10) bottom is provided with collecting ring (150), go-between (110) both sides all are provided with lantern ring (160), lantern ring (160) side with collecting ring (150) side is connected with extension board (170), intercommunication device (20) include six guide rings (211) and passageway subassembly (210), guide ring (211) cross sectional dimension with inner tube (120) cross sectional dimension keeps coincideing, each guide ring (211) side all is connected with funnel ring (212), relative two funnel ring (212) in six funnel rings (212) divide into a set, and the conformal constitution is three groups, is straight nest of tubes respectively, and is managed to constitute, Go up nest of tubes and nest of tubes down, two form a interface channel between funnel ring (212), channel subassembly (210) set up at interface channel inner, channel subassembly (210) include straight tube (220), stand pipe (230) and concave pipe (240), straight tube (220) both ends are connected with two funnel rings (212) of straight tube group respectively, stand pipe (230) both ends are connected with two funnel rings (212) of last nest of tubes respectively, stand pipe (230) top has seted up top groove (231), top groove (231) inner is provided with intake pipe (232), intake pipe (232) with top cap (130) rotate and are connected, stand pipe (240) both ends keep being connected between two funnel rings (212) of lower nest of tubes respectively, outlet duct (241) is connected to concave pipe (240) bottom, outlet duct (241) with the concave pipe (240) inner keeps communicating, the bottom end of the air outlet pipe (241) is connected with an L-shaped pipe (242).

2. The adaptive gas internal combustion engine intake air regulating valve of claim 1, wherein: the inner tube (120) both sides all seted up breach groove (121), two be connected with fixture block (213) between guide ring (211) side, fixture block (213) with breach groove (121) cup joint the cooperation.

3. The adaptive gas internal combustion engine intake air regulating valve of claim 2, wherein: the limiting arc plates (180) are arranged on two sides of the inner end of the machine shell (10), a limiting groove (2131) is formed in the side face of the clamping block (213), and the limiting groove (2131) is connected with the limiting arc plates (180) in a sliding mode.

4. The adaptive gas internal combustion engine intake air regulating valve of claim 3, wherein: the upper side and the lower side of the limiting arc plate (180) are respectively provided with a plurality of balls (181), the balls (181) are in rolling connection with the side surface of the limiting arc plate (180), the inner side of the limiting groove (2131) is provided with an arc groove (2132), and the arc groove (2132) is in rolling connection with the balls (181).

5. The adaptive gas internal combustion engine intake air regulating valve of claim 1, wherein: the collecting device is characterized in that a collecting ring (150) is arranged at the top end of the base plate (140), a collecting cavity (151) is arranged at the inner end of the collecting ring (150), a through hole (152) is formed in one side of the collecting ring (150), the through hole (152) is communicated with the inner end of the collecting cavity (151), and the through hole (152) is communicated with the L-shaped pipe (242).

6. The adaptive gas internal combustion engine intake air regulating valve of claim 5, wherein: a transparent plate (153) is sleeved on the side face of the collecting ring (150), and the transparent plate (153) is attached to the outer side of the collecting cavity (151).

7. The adaptive gas internal combustion engine intake air regulating valve of claim 1, wherein: the top end of the convex pipe (230) is provided with a rotating ring (234), the rotating ring (234) is arranged at the top end of the top cover (130), and the rotating ring (234) is coaxially connected with the air inlet pipe (232).

8. The adaptive gas internal combustion engine intake air regulating valve of claim 7, wherein: the side of the rotating ring (234) is provided with a plurality of scale plates (235), each scale plate (235) is arranged in an array mode, a plurality of scale grooves (131) are formed in the inner side of the top cover (130), and each scale groove (131) is arranged in an array mode.

9. The adaptive gas internal combustion engine intake air regulating valve of claim 7, wherein: the top end of the air inlet pipe (232) is sleeved with a pipe plug (233), and the cross-sectional dimension of the bottom end of the pipe plug (233) is kept consistent with that of the inner end of the air inlet pipe (232).

10. The adaptive gas internal combustion engine intake air regulating valve of claim 1, wherein: the inner end of the air outlet pipe (241) is provided with a limiting pipe (243), the section of the limiting pipe (243) is of a T-shaped structure, the limiting pipe (243) is fixedly connected with the inner end of the air outlet pipe (241), the inner end of the limiting pipe (243) is communicated with the inner end of the air outlet pipe (241), and the bottom end of the limiting pipe (243) is fixedly connected with the bottom end of the L-shaped pipe (242).