CN221664814U - Double-cylinder general gasoline engine and electric control gas valve thereof - Google Patents
Double-cylinder general gasoline engine and electric control gas valve thereof Download PDFInfo
- Publication number
- CN221664814U CN221664814U CN202323332976.2U CN202323332976U CN221664814U CN 221664814 U CN221664814 U CN 221664814U CN 202323332976 U CN202323332976 U CN 202323332976U CN 221664814 U CN221664814 U CN 221664814U
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- gas
- air outlet
- channel
- valve
- gasoline engine
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- 239000003502 gasoline Substances 0.000 title claims abstract description 45
- 239000007789 gas Substances 0.000 claims abstract description 134
- 239000002737 fuel gas Substances 0.000 claims abstract description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims 5
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model provides a double-cylinder universal gasoline engine and automatically controlled gas valve thereof, this double-cylinder universal gasoline engine's body is last to correspond the throttle valve and is provided with first jet pipe and second jet pipe, and this automatically controlled gas valve includes: the valve body is internally provided with an air inlet channel, a first air outlet channel, a second air outlet channel and a fuel gas channel; an air inlet pipe is arranged on the air inlet channel; the first air outlet channel and the second air outlet channel are communicated with the air inlet channel through the fuel gas channel; one end of the first air outlet channel and one end of the second air outlet channel are respectively provided with a first air outlet pipe and a second air outlet pipe correspondingly; the first air outlet pipe and the second air outlet pipe are respectively communicated with the corresponding first air jet pipe and second air jet pipe; the other ends of the first air outlet channel and the second air outlet channel are respectively connected with a first stepping motor and a second stepping motor, and the gas flow is controlled by changing the fit section of the cone valve of the first stepping motor and the first air outlet channel and the fit section of the cone valve of the second stepping motor and the second air outlet channel.
Description
Technical Field
The utility model relates to a general gasoline engine, in particular to a double-cylinder general gasoline engine and an electric control gas valve thereof.
Background
The gas electric control device of the general gasoline engine in the prior art is integrated on the throttle valve assembly, and can be installed on the premise of larger installation space of the engine, but the installation space of a general gasoline engine system with smaller installation space, particularly a general gasoline engine system with double cylinders, is limited, and after the throttle valve assembly is installed on the air inlet channel of the engine, the electric control gas valve is difficult to install on the air inlet channel of the engine.
Disclosure of utility model
The utility model aims to solve the technical problems of the prior art and provides a double-cylinder general gasoline engine and an electric control gas valve thereof.
In order to achieve the above purpose, the present utility model provides an electric control gas valve of a dual-cylinder general gasoline engine, wherein a throttle valve of the dual-cylinder general gasoline engine is correspondingly provided with a first gas injection pipe and a second gas injection pipe, and the electric control gas valve comprises:
The gas inlet channel, the first gas outlet channel, the second gas outlet channel and the gas channel are arranged in the valve body; an air inlet pipe is arranged on the air inlet channel; the first air outlet channel and the second air outlet channel are communicated with the air inlet channel through the fuel gas channel; one end of the first air outlet channel and one end of the second air outlet channel are respectively provided with a first air outlet pipe and a second air outlet pipe correspondingly; the first air outlet pipe and the second air outlet pipe are respectively communicated with the corresponding first air jet pipe and second air jet pipe; the other ends of the first air outlet channel and the second air outlet channel are respectively connected with a corresponding first stepping motor and a corresponding second stepping motor, and the gas flow is controlled by changing the fit section of the cone valve of the first stepping motor and the first air outlet channel and/or the fit section of the cone valve of the second stepping motor and the second air outlet channel.
The electric control gas valve of the double-cylinder general gasoline engine further comprises a gas pressure sensor which is arranged on the valve body; the gas channel is provided with a pressure taking hole, and the gas pressure sensor is respectively connected with the pressure taking hole and an ECU (electronic control unit) arranged in the throttle valve.
The electric control gas valve of the double-cylinder universal gasoline engine is characterized in that the first gas outlet pipe and the second gas outlet pipe are respectively communicated with the corresponding first gas spraying pipe and second gas spraying pipe through gas inlet pipes.
According to the electric control gas valve of the double-cylinder general gasoline engine, the joint of the gas channel and the outer wall of the valve body is provided with the plug for sealing.
The electric control gas valve of the double-cylinder general gasoline engine, wherein the gas inlet pipe, the first gas outlet pipe and/or the second gas outlet pipe are of a straight pipe structure or a bent pipe structure.
The electric control gas valve of the double-cylinder general gasoline engine, wherein the gas inlet pipe, the first gas outlet pipe and/or the second gas outlet pipe are respectively pressed into the valve body.
The electric control gas valve of the double-cylinder general gasoline engine, wherein the gas inlet pipe, the first gas outlet pipe and/or the second gas outlet pipe are/is respectively in threaded connection with the valve body.
The electric control gas valve of the double-cylinder general gasoline engine, wherein the gas inlet pipe, the first gas outlet pipe and/or the second gas outlet pipe and the valve body are integrated into a whole.
The electric control gas valve of the double-cylinder general gasoline engine is characterized in that the valve body is also provided with a standby gas outlet channel connected with the three-cylinder or multi-cylinder general gasoline engine.
In order to better achieve the aim, the utility model also provides a double-cylinder general gasoline engine, which comprises the electric control gas valve.
The utility model has the technical effects that:
The utility model adopts the external electric control gas valve, can realize the application of multiple fuels on the general gasoline engine, can meet the requirement that the general gasoline engine is installed in a very small installation space, and also increases the gas channel control, so that the utility model is applicable to the dual-cavity general gasoline engine.
The utility model will now be described in more detail with reference to the drawings and specific examples, which are not intended to limit the utility model thereto.
Drawings
FIG. 1 is a schematic diagram of a dual-cylinder general gasoline engine according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an electrically controlled gas valve according to an embodiment of the present utility model;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a top view of FIG. 2;
FIG. 5 is a bottom view of FIG. 2;
FIG. 6 is a partial cross-sectional view of an electronically controlled gas valve in accordance with an embodiment of the present utility model;
Fig. 7 is a cross-sectional view A-A of fig. 6.
Wherein reference numerals are used to refer to
1 Body
11 Throttle valve
12 First gas nozzle
13 Second gas nozzle
2 Gas inlet pipe
3 Electric control gas valve
31 Valve body
311 Air inlet
312 First gas outlet channel
313 Second gas outlet channel
314 Gas channel
315 Pressure taking hole
32 First step motor
33 Gas pressure sensor
34 Air inlet pipe
35 First air outlet pipe
36 Second air outlet pipe
37 Plug
38 Second stepper motor
Detailed Description
The structural and operational principles of the present invention are described in detail below with reference to the accompanying drawings:
Referring to fig. 1, fig. 1 is a schematic structural diagram of a dual-cylinder universal gasoline engine according to an embodiment of the present utility model. The utility model relates to a double-cylinder general gasoline engine, which comprises an electric control gas valve 3. The electric control part of the fuel gas is arranged outside the engine air inlet channel and can be fixed at a proper position of the engine through screws, a first air jet pipe 12 and a second air jet pipe 13 are correspondingly arranged on a throttle valve 11 on a body 1 of the double-cylinder general gasoline engine, and the electric control part is connected with an electric control fuel gas valve 3 through a fuel gas hose, so that the engine taking the fuel gas as fuel can work normally. The components, structure, mutual position relation, connection relation, functions and the like of other parts of the double-cylinder general gasoline engine are mature prior art, so that the description is omitted herein, and only the electric control gas valve 3 of the utility model is described in detail below.
Referring to fig. 2 to 7, fig. 2 is a schematic structural diagram of an electrically controlled gas valve 3 according to an embodiment of the present utility model, fig. 3 is a side view of fig. 2, fig. 4 is a top view of fig. 2, fig. 5 is a bottom view of fig. 2, fig. 6 is a partial sectional view of the electrically controlled gas valve 3 according to an embodiment of the present utility model, and fig. 7 is A-A sectional view of fig. 6. The electric control gas valve 3 comprises a valve body 31, wherein the appearance and the installation mode of the valve body 31 can be changed according to different requirements, but the working principle is unchanged. An air inlet channel 311, a first air outlet channel 312, a second air outlet channel 313 and a fuel gas channel 314 are arranged in the valve body 31; the air inlet pipe 34 is installed on the air inlet channel 311; the first outlet channel 312 and the second outlet channel 313 are communicated with the inlet channel 311 through the gas channel 314; one ends of the first air outlet channel 312 and the second air outlet channel 313 are respectively provided with a first air outlet pipe 35 and a second air outlet pipe 36 correspondingly; the first air outlet pipe 35 and the second air outlet pipe 36 are respectively communicated with the corresponding first air jet pipe 12 and second air jet pipe 13; the other ends of the first air outlet channel 312 and the second air outlet channel 313 are respectively connected with the first stepper motor 32 and the second stepper motor 38, and the gas flow is controlled by changing the fit section of the cone valve of the first stepper motor 32 and the first air outlet channel 312 and the fit section of the cone valve of the second stepper motor 38 and the second air outlet channel 313.
In this embodiment, the valve further comprises a fuel pressure sensor 33 mounted on the valve body 31; the gas channel 314 is provided with a pressure-taking hole 315, and the gas pressure sensor 33 is respectively connected with the pressure-taking hole 315 and the ECU built in the throttle valve 11. The gas pressure sensor 33 is connected with the gas channel 314 through the pressure taking hole 315, and when the engine works, the ECU can automatically correct the flow by reading the gas pressure.
Wherein, the first air outlet pipe 35 and the second air outlet pipe 36 can be respectively communicated with the corresponding first air jet pipe 12 and the second air jet pipe 13 through the gas inlet pipe 2, and the gas inlet pipe 2 is preferably a hose. The connection between the gas passage 314 and the outer wall of the valve body 31 may also be provided with a plug 37 for sealing. The plug 37 can be omitted according to different manufacturing processes and structures of the valve body 31, and other structures can be adopted to achieve the sealing effect.
The air inlet pipe 34, the first air outlet pipe 35 and/or the second air outlet pipe 36 of the present embodiment may be a straight pipe structure or a bent pipe structure or a pipe with other shapes according to the actual installation requirements. The air inlet pipe 34, the first air outlet pipe 35 and/or the second air outlet pipe 36 are respectively pressed into the valve body 31. Or the air inlet pipe 34, the first air outlet pipe 35 and/or the second air outlet pipe 36 are respectively in threaded connection with the valve body 31. Or the air inlet pipe 34, the first air outlet pipe 35 and/or the second air outlet pipe 36 and the valve body 31 are integrally formed, and no separate press fitting is performed.
In one embodiment, the electric control gas valve 3 of the double-cylinder general gasoline engine is provided with a first gas injection pipe 12 and a second gas injection pipe 13 respectively in a pressing mode on the throttle valve 11, and a first gas outlet pipe 35 and a second gas outlet pipe 36 are respectively provided at one end of a first gas outlet channel 312 and a second gas outlet channel 313 of the valve body 31 of the electric control gas valve 3. One ends of the first air jet pipe 12 and the second air jet pipe 13 are respectively connected to a corresponding first air outlet pipe 35 and a corresponding second air outlet pipe 36 through the gas inlet pipe 2, and the gas flow is controlled by changing the matched cross sections of the conical valve of the first stepping motor 32 and the conical valve of the second stepping motor 38 and the corresponding first air outlet pipe 312 and second air outlet pipe 313 at the other ends of the first air outlet pipe 312 and the second air outlet pipe 313. The first air outlet channel 312 and the second air outlet channel 313 are respectively connected with the air inlet channel 311 through a fuel gas channel 314, and the other end of the air inlet channel 311 is pressed with the air inlet pipe 34. The gas channel 314 is provided with a pressure taking hole 315, and the pressure taking hole 315 is connected with the gas pressure sensor 33. The joint of the other end of the gas channel 314 and the outer wall of the valve body 31 is pressed with a plug 37 to play a role of sealing. In the case of a relatively stable gas pressure source, the gas pressure sensor 33 can be omitted and the electronic control system does not perform any flow correction.
When the engine is in a standby state after being electrified, the gas electromagnetic valve is in a normally closed state, and when the engine works, the ECU arranged in the throttle valve 11 can read the rotating speed of the engine, and the ECU controls the cone valve of the first stepping motor 32 and/or the second stepping motor 38 to open a certain step number according to related sensor parameters and internal data, so that the gas sequentially passes through the first gas outlet pipe 35, the gas inlet pipe 2, the first gas jet pipe 12 and/or the second gas outlet pipe 36, the gas inlet pipe 2 and the second gas jet pipe 13 to enter into a throttle hole respectively, and the gas is mixed with air in the throttle hole to be sucked into the engine, so that the engine starts to normally operate.
In another embodiment of the present utility model, the valve body 31 may be further provided with a standby air outlet channel connected with a three-cylinder or multi-cylinder universal gasoline engine according to different requirements, and the air outlet channel may be added to enable the fuel gas electromagnetic valve to be suitable for the three-cylinder or multi-cylinder universal gasoline engine.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. The utility model provides an automatically controlled gas valve of double-cylinder universal gasoline engine which characterized in that is provided with first jet pipe and second jet pipe on the throttle valve of double-cylinder universal gasoline engine correspondingly, automatically controlled gas valve includes:
The gas inlet channel, the first gas outlet channel, the second gas outlet channel and the gas channel are arranged in the valve body; an air inlet pipe is arranged on the air inlet channel; the first air outlet channel and the second air outlet channel are communicated with the air inlet channel through the fuel gas channel; one end of the first air outlet channel and one end of the second air outlet channel are respectively provided with a first air outlet pipe and a second air outlet pipe correspondingly; the first air outlet pipe and the second air outlet pipe are respectively communicated with the corresponding first air jet pipe and second air jet pipe; the other ends of the first air outlet channel and the second air outlet channel are respectively connected with a corresponding first stepping motor and a corresponding second stepping motor, and the gas flow is controlled by changing the fit section of the cone valve of the first stepping motor and the first air outlet channel and/or the fit section of the cone valve of the second stepping motor and the second air outlet channel.
2. The electronically controlled gas valve of a dual cylinder universal gasoline engine of claim 1, further comprising a gas pressure sensor mounted on said valve body; the gas channel is provided with a pressure taking hole, and the gas pressure sensor is respectively connected with the pressure taking hole and an ECU (electronic control unit) arranged in the throttle valve.
3. The electronically controlled gas valve of a dual-cylinder universal gasoline engine of claim 1, wherein the first gas outlet pipe and the second gas outlet pipe are respectively communicated with the corresponding first gas injection pipe and second gas injection pipe through gas inlet pipes.
4. The electric control gas valve of the double-cylinder general gasoline engine as set forth in claim 1, wherein a plug for sealing is arranged at the joint of the gas channel and the outer wall of the valve body.
5. The electronically controlled gas valve of a dual-cylinder universal gasoline engine of claim 1, wherein the gas inlet tube, the first gas outlet tube and/or the second gas outlet tube are of straight tube structure or of bent tube structure.
6. The electronically controlled gas valve of a dual cylinder universal gasoline engine of claim 1, wherein the gas inlet tube, the first gas outlet tube and/or the second gas outlet tube are each press fit into the valve body.
7. The electronically controlled gas valve of a dual-cylinder universal gasoline engine as set forth in claim 1, wherein the gas inlet tube, the first gas outlet tube and/or the second gas outlet tube are respectively threadedly connected with the valve body.
8. The electronically controlled gas valve of a dual cylinder universal gasoline engine of claim 1, wherein the inlet tube, the first outlet tube and/or the second outlet tube are integrally formed with the valve body.
9. The electronically controlled gas valve of a dual cylinder universal gasoline engine of claim 1, wherein the valve body is further provided with a backup gas outlet channel connected with the three cylinder or multi cylinder universal gasoline engine.
10. A dual cylinder universal gasoline engine comprising an electrically controlled gas valve as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323332976.2U CN221664814U (en) | 2023-12-06 | 2023-12-06 | Double-cylinder general gasoline engine and electric control gas valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323332976.2U CN221664814U (en) | 2023-12-06 | 2023-12-06 | Double-cylinder general gasoline engine and electric control gas valve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221664814U true CN221664814U (en) | 2024-09-06 |
Family
ID=92584317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323332976.2U Active CN221664814U (en) | 2023-12-06 | 2023-12-06 | Double-cylinder general gasoline engine and electric control gas valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221664814U (en) |
-
2023
- 2023-12-06 CN CN202323332976.2U patent/CN221664814U/en active Active
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| GR01 | Patent grant |