CN106555708B - Gasifier oil-rich simple starting device and starting method - Google Patents
Gasifier oil-rich simple starting device and starting method Download PDFInfo
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- CN106555708B CN106555708B CN201610925134.3A CN201610925134A CN106555708B CN 106555708 B CN106555708 B CN 106555708B CN 201610925134 A CN201610925134 A CN 201610925134A CN 106555708 B CN106555708 B CN 106555708B
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000003921 oil Substances 0.000 claims abstract description 172
- 239000000295 fuel oil Substances 0.000 claims abstract description 63
- 239000000446 fuel Substances 0.000 claims abstract description 37
- 239000007858 starting material Substances 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 238000005086 pumping Methods 0.000 claims description 44
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000002000 scavenging effect Effects 0.000 description 5
- 230000037452 priming Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/02—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by hand, foot, or like operator controlled initiation means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
- F02M1/02—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling being chokes for enriching fuel-air mixture
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
- F02M1/16—Other means for enriching fuel-air mixture during starting; Priming cups; using different fuels for starting and normal operation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to the technical field of carburettors, in particular to a gasifier rich oil simple starting device and a starting method, which realize rich oil starting of an engine by adopting a pre-fuel injection technology, namely, quantitative fuel oil is injected in advance when an oil squeezing cup is extruded in the first step, and then a choke valve with large air volume is matched for use to realize simple starting, wherein the starting steps are as follows: firstly, squeezing an oil cup; secondly, closing the choke valve rod; thirdly, pulling the engine starter by hand until the engine runs; and fourthly, normally operating the accelerator and the accelerator. The gasifier oil-rich simple starting device and the starting method can finish normal starting of the engine only through the four steps, and have the advantages of simple operation, less starting times and easiness in starting at low temperature (such as 0 ℃).
Description
Technical Field
The invention relates to the technical field of carburettors, in particular to a gasifier rich oil simple starting device and a starting method.
Background
The engine is under the warm-up state, and the match is 13 ~ 15 at economic air-fuel ratio according to setting when leaving the factory: 1, but when the engine is started in a cold engine, the engine needs 6-12: 1, the gasifier is required to additionally provide more fuel when the engine is started, and the normal starting of the engine is ensured.
At present, a choke valve device is generally adopted, more fuel oil is obtained for starting by reducing the air intake, and the method comprises the following specific steps: firstly, squeezing an oil cup; secondly, closing the choke valve; thirdly, the accelerator is fully opened or the accelerator is arranged at a fast idle speed position; fourthly, pulling the engine starter by hand until the POP sound (POP sound) is heard; fifthly, the choke valve is pulled to the position 1/2; sixthly, pulling the engine starter by hand until the engine runs; seventhly, keeping the engine warm-up; eighthly, pulling the choke valve to a full-open position; and step nine, normally operating the accelerator and the accelerator. The disadvantages of using current choke devices are: 1. multiplying steps; 2. POP sound (POP sound) is difficult to judge, so that the engine is difficult to start due to cylinder flooding; 3. at low temperatures (e.g., 0 degrees celsius) the engine may be difficult or impossible to start.
For example, chinese patent publication No. CN 1055151C discloses an auxiliary starting passage structure of a carburetor, in which an auxiliary starting body is separately attached to a carburetor body, and a connecting groove is provided on a structural surface, and a communication hole constituting a lateral hole of a main air passage and an air inlet port on the auxiliary starting body side are communicated with each other by the connecting groove to form a subordinate type. The joint surface is not provided with a connecting groove, the communicating hole is covered by the joint surface, and the gasifier body side is provided with a transverse hole for communicating the air inlet and the main orifice, so that the main orifice communicating hole opened on the mounting seat and the air inlet are communicated on the joint surface to form an independent type. The auxiliary starting path has a complex structure and complicated operation steps, and an engine is difficult to start or cannot be started under the condition of low temperature (such as 0 ℃).
Disclosure of Invention
In order to solve the technical defects in the prior art, the invention aims to provide a gasifier rich oil simple starting device and a starting method.
The gasifier of the invention is used for a two-stroke or four-stroke ignition gasoline engine, is commonly applied to outdoor garden tools and other power equipment, and is mostly started by hand pulling due to small displacement and hand-held type.
The simple oil-rich starting device for the gasifier comprises an oil pumping cavity, a metering chamber, an oil cup, a mixing chamber, a choke valve and an oil pumping diaphragm, and further comprises three oil paths connected to a fuel oil-rich cavity 12, wherein the three oil paths are an oil inlet channel, a fuel oil removing channel and an oil-rich starting oil channel respectively. When the oil cup is squeezed, a certain amount of fuel oil is sprayed in advance, and then a large-air-volume choke valve is used in a matching manner, so that the simple step starting is realized. The starting device has the advantages of simple operation, less starting times and easy starting at low temperature (such as 0 ℃).
Preferably, the bottom of the oil cup is provided with a pump force conduction channel which is communicated with the pump oil cavity.
In any of the above schemes, preferably, one side of the oil pumping membrane is provided with a fuel oil rich cavity.
In any of the above schemes, preferably, a one-way valve with a spring is arranged at the inlet of the oil inlet channel.
In any of the above aspects, preferably, the rich start oil passage is provided with a check valve with a metering orifice.
In any of the above solutions, it is preferable that the check valve with the metering orifice is provided with a spring.
In any of the above schemes, preferably, the rich starting oil passage is further provided with a pressure balance hole communicated with the atmosphere in the choke valve direction.
In any of the above aspects, preferably, a throat is provided between the mixing chamber and the choke valve.
In any of the above embodiments, the oil pumping diaphragm, the check valve with the spring, and the check valve with the metering orifice form a pump.
The working principle of the gasifier rich oil simple starting device is as follows: when the operator squeezes the oil cup, positive pressure is generated during squeezing action, and negative pressure is generated during loosening action, so that a pumping force transmission channel is formed at the bottom of the oil cup and is communicated with the oil pumping cavity, and the positive pressure and the negative pressure are introduced into the oil pumping cavity to drive the oil pumping diaphragm to reciprocate. When an operator squeezes the oil cup, air of the carburetor is discharged outwards through the fuel oil removing channel, a part of fuel oil enters the oil pumping cavity through the pumping force conduction channel at the bottom of the oil cup, and the fuel oil in the fuel oil enrichment cavity is pushed to be sprayed out from the check valve with the metering orifice in the enrichment starting channel through the oil pumping membrane; when the oil cup is loosened, the oil in the oil can is sucked into the metering chamber of the gasifier by the negative pressure generated by the oil cup, and the redundant fuel oil enters the fuel oil rich cavity and the fuel oil clearing channel of the gasifier, so that the fuel oil can be sprayed into the mixing chamber of the gasifier from the fuel oil rich starting process to realize the starting.
A gasifier rich oil simple starting method comprises the following steps:
firstly, squeezing an oil cup and spraying quantitative fuel oil in advance;
secondly, closing the choke valve;
thirdly, pulling the engine starter by hand until the engine runs;
and fourthly, the operator normally works by adding or subtracting the accelerator according to the requirement.
The method has the advantages of simple operation, less starting times and easy starting at low temperature (such as 0 ℃).
Squeezing the oil cup is a standard step when the engine is started, and aims to suck fuel oil in the oil pot into the carburetor metering chamber, and after the carburetor metering chamber is filled with the fuel oil, the fuel oil which enters the carburetor can pass through the fuel oil removing channel and return to the oil pot through the one-way duckbill valve.
Preferably, in the first step, when an operator squeezes the oil cup, quantitative fuel oil is injected in advance, and then a large-air-volume choke valve is used in a matching manner, so that the simple step starting is realized; positive pressure is generated when the oil cup is squeezed, and negative pressure is generated when the oil cup is loosened.
In any of the above schemes, preferably, the bottom of the oil cup is provided with a pumping force conduction channel which is communicated with the pumping cavity, positive pressure and negative pressure are introduced into the pumping cavity to drive the pumping diaphragm to reciprocate, when an operator squeezes the oil cup, air in the carburetor is discharged outwards through the fuel oil removing channel, a part of fuel oil enters the pumping cavity through a hole at the bottom of the oil cup, and the fuel oil in the fuel oil rich cavity is pushed by the pumping diaphragm to be sprayed out from the check valve with the metering hole in the rich oil starting channel.
In any of the above solutions, preferably, when the operator releases the oil cup, the negative pressure generated by the oil cup draws the oil in the oil pot into the metering chamber of the carburetor, and the excess fuel enters the fuel rich chamber and the fuel scavenging passage of the carburetor, and so on, the fuel is injected into the mixing chamber of the carburetor from the rich start passage to start.
In any of the above embodiments, it is preferred that when the operator squeezes the cup, the priming fuel is injected into the carburetor through the check valve of the rich priming passage under the pressure of the pumping diaphragm, with the check valve of the fuel inlet passage closed.
In any of the above schemes, preferably, when the operator releases the oil cup, the self resilience of the oil cup forms negative pressure through the pump oil film, at this time, the one-way valve of the oil inlet channel is opened to suck fuel oil, and the one-way valve with the metering hole on the rich oil starting channel is closed to fill the fuel oil cavity with fuel oil, so as to prepare for the second oil injection circulation.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a gasifier rich simple start-up device and a start-up method according to the invention.
Fig. 2 is a rear view of the preferred embodiment of the gasifier rich start-up apparatus and method of the present invention shown in fig. 1.
Fig. 3 is a left side view of the preferred embodiment of the gasifier rich start-up apparatus and method of the present invention shown in fig. 1.
Fig. 4 is a top view of the preferred embodiment of the gasifier rich start-up apparatus and method of the present invention shown in fig. 1 with the oil cup and pump oil cap removed.
Fig. 5 is a sectional view taken along a direction a-a in the preferred embodiment of fig. 1 of the gasifier rich start-up apparatus and method according to the present invention.
Fig. 6 is a sectional view in the direction B-B of the preferred embodiment of fig. 1 of the gasifier rich start-up apparatus and method according to the present invention.
Fig. 7 is a cross-sectional view in the direction of C-C of the preferred embodiment of fig. 2 of the gasifier rich start-up apparatus and method according to the present invention.
Fig. 8 is a sectional view in the direction of D-D of the preferred embodiment of fig. 1 of the gasifier rich start-up apparatus and method according to the present invention.
Fig. 9 is a sectional view in the direction of E-E in the preferred embodiment of fig. 3 of the gasifier rich start-up apparatus and method according to the present invention.
Fig. 10 is a sectional view in the direction F-F of the preferred embodiment of fig. 4 of the gasifier rich start-up apparatus and method according to the present invention.
The reference numbers in the drawings:
the device comprises a pumping cavity 1, a metering chamber 2, an oil cup 3, a one-way valve 4, a mixing chamber 5, a choke valve 6, a nozzle pipe 7, a pumping diaphragm 8, an oil inlet channel 9, a pumping force transmission channel 10, a one-way valve 11 with a metering hole, a fuel oil rich cavity 12, a fuel oil rich starting channel 13, a fuel oil removing channel 14 and a pressure balancing hole 15.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 7, a schematic structural view of a preferred embodiment of the gasifier rich start-up device according to the present invention is shown. The simple oil-rich starting device for the gasifier comprises an oil pumping cavity 1, a metering chamber 2, an oil cup 3, a mixing chamber 5, a choke valve 6 and an oil pumping diaphragm 8, and further comprises three oil paths connected to an oil-rich cavity 12, wherein the three oil paths are an oil inlet channel 9, an oil removing channel 14 (shown in figure 10) and a pumping force transmission channel 10 respectively. When the oil cup is squeezed, a certain amount of fuel oil is sprayed in advance, and then a large-air-volume choke valve is used in a matching manner, so that the simple step starting is realized. The starting device has the advantages of simple operation, less starting times and easy starting at low temperature (such as 0 ℃).
Referring to fig. 6, a sectional view in the direction of B-B of the preferred embodiment of the gasifier rich start-up apparatus and method of the present invention is shown in fig. 1.
In the present embodiment, a fuel rich chamber 12 is provided on one side of the pumping diaphragm 8.
Referring to fig. 7, a sectional view in the direction of C-C of the preferred embodiment of the gasifier rich start-up apparatus and method of the present invention is shown in fig. 2.
In this embodiment, the bottom of the oil cup 3 is opened with a hole to enter the pumping chamber 1, so that positive pressure and negative pressure are introduced into the pumping chamber 1 to drive the pumping diaphragm 8 to reciprocate, when an operator squeezes the oil cup 3, air in the carburetor is discharged outwards through the fuel scavenging passage 14, a part of fuel enters the pumping chamber 1 through the pumping force conduction passage 10 at the bottom of the oil cup 3, and fuel in the fuel rich chamber 12 is pushed by the pumping diaphragm 8 to be sprayed out from the check valve 11 with metering holes in the rich passage.
In this embodiment, a check valve 4 with a spring is arranged at the inlet of the oil inlet channel 9.
In the present embodiment, the rich starting oil passage 10 is provided with a check valve 11 having a metering orifice. The fuel in the fuel rich chamber 12 is directly fed into the mixing chamber 5 of the gasifier through the check valve 11 with metering orifices, and the aperture flow of different engine metering orifices can be different, depending on the matching of the gasifier, and the pumping quantity can be changed by changing the shape, diameter or depth of the fuel rich chamber 12, and the engine can be matched by the way of, but not limited to, the way listed above.
In this embodiment, the check valve with orifice 11 is provided with a spring.
In this embodiment, the rich starting channel 13 is further provided with a pressure balance hole 15 communicated with the atmosphere in the direction of the choke valve, so as to avoid negative pressure generated during normal operation of the engine and actively suck out fuel in the rich oil starting cavity of the carburetor.
Referring to fig. 8, a sectional view in the direction of D-D of the preferred embodiment of the gasifier rich start-up apparatus and method of the present invention is shown in fig. 1.
In this embodiment, a throat 7 is provided between the mixing chamber 5 and the choke valve 6.
In the present embodiment, the pumping diaphragm 8 forms a pump together with the oil inlet passage 9 and the check valve in the rich start oil passage 10 (as shown in fig. 7). When an operator squeezes the oil cup 3, starting fuel oil is injected into the carburetor through the one-way valve of the rich oil starting channel 13 under the pressure of the oil pumping diaphragm 8, and the one-way valve 4 of the oil inlet channel 9 is closed at the moment; when an operator releases the oil cup 3, the self resilience force of the oil cup 3 forms negative pressure through the pump oil film, at the moment, the one-way valve of the oil inlet channel 9 is opened, fuel oil is sucked, the one-way valve 11 with the metering hole on the rich oil starting channel 13 is closed, the fuel oil cavity is filled with the fuel oil, and preparation is made for the second oil injection circulation.
The working principle of the gasifier rich oil simple starting device is as follows: when an operator squeezes the oil cup, positive pressure is generated during squeezing action, and negative pressure is generated during loosening action, so that a hole is formed at the bottom of the oil cup and is communicated with the oil pumping cavity 1, and the positive pressure and the negative pressure are introduced into the oil pumping cavity 1 to drive the oil pumping diaphragm 8 to reciprocate. When an operator squeezes the oil cup, air in the carburetor is discharged outwards through the fuel scavenging passage 14, a part of fuel enters the pumping chamber 1 through the pumping force conduction passage 10 at the bottom of the oil cup 3, and fuel in the fuel rich chamber 12 is pushed to be sprayed out of the check valve 11 with metering holes in the rich starting passage 13 through the pumping diaphragm 8; when the oil cup 3 is released, the oil in the oil can is sucked into the metering chamber 2 of the carburetor by the negative pressure generated by the oil cup 3, and the redundant fuel enters a fuel rich cavity 12 and a fuel scavenging channel 14 (shown in figure 10) of the carburetor, and the fuel is sprayed into the mixing chamber 5 of the carburetor from a rich starting channel 13 to realize starting.
A gasifier rich oil simple starting method comprises the following steps:
firstly, injecting a certain amount of fuel oil in advance, and extruding an oil cup 3;
secondly, closing the choke valve;
thirdly, pulling the engine starter by hand until the engine runs;
and fourthly, normally operating the accelerator and the accelerator.
The method has the advantages of simple operation, less starting times and easy starting at low temperature (such as 0 ℃).
Squeezing the cup is a standard step in engine starting, and aims to draw fuel in the oilcan into the carburetor metering chamber 2, and when the carburetor metering chamber 2 is filled with fuel, the fuel which enters the oilcan passes through the fuel scavenging passage 14 and returns to the oilcan through the one-way duckbill valve.
In this embodiment, in the first step, when the operator squeezes the oil cup, positive pressure is generated during squeezing, negative pressure is generated during releasing, a certain amount of fuel oil is pre-injected into the mixing chamber 5 by using the positive pressure generated during squeezing the oil cup, and then the large-air-volume choke valve is used in cooperation, so that simple step starting is realized.
In this embodiment, a pump force conduction channel 10 is opened at the bottom of the oil cup 3 to be communicated with the pump oil chamber 1, positive pressure and negative pressure are introduced into the pump oil chamber 1 to drive the pump oil diaphragm 8 to reciprocate, when an operator squeezes the oil cup 3, air in the carburetor is discharged outwards through the fuel oil removing channel 14, a part of fuel oil enters the pump oil chamber 1 through the pump force conduction channel 10 at the bottom of the oil cup 3, and fuel oil in the fuel oil rich chamber 12 is pushed by the pump oil diaphragm 8 to be sprayed out of a check valve 11 with a metering hole in the rich starting channel 13.
In this embodiment, when the operator releases the cup 3, the negative pressure generated by the cup 3 draws the oil in the pot into the metering chamber 2 of the carburetor, and the excess fuel enters the fuel rich chamber 12 and the fuel purge passage 14 of the carburetor, and so on, the fuel is injected from the rich start passage 13 into the mixing chamber 5 of the carburetor to start.
In this embodiment, when the operator squeezes the cup 3, the priming fuel is injected into the carburetor through the check valve of the rich priming passage 13 under the pressure of the pumping diaphragm 8, and the check valve 4 of the inlet passage 9 is closed.
In this embodiment, when the operator releases the oil cup 3, the self-resilience of the oil cup 3 forms a negative pressure by the pump oil film, at this time, the check valve of the oil inlet channel 9 is opened to suck the fuel oil, and the check valve 11 with the metering hole on the rich oil starting channel 13 is closed to fill the fuel oil cavity with the fuel oil, so as to prepare for the second oil injection cycle.
In this embodiment, the choke valve 6 is a large air volume choke valve, and compared with the prior art, the area of the choke valve plate is small, the corresponding air intake is increased, and the size of the choke valve plate depends on the matching of different engines. When the air inlet amount is increased when the engine is started, compared with the prior art, a user does not need to manually open the air door to the 1/2 position to preheat the engine.
In summary, the simple gasifier oil-rich starting device and the starting method of the invention have the following advantages: the method is characterized in that the rich oil starting of the engine is realized by adopting a pre-fuel injection technology, namely, quantitative fuel oil is injected in advance when an oil cup is extruded in the first step, and then a large-air-volume choke valve is used in a matching manner, so that the simple step starting is realized; the operation is simple and convenient; the starting times are less; starting is easy at low temperatures (e.g., 0 degrees celsius).
It will be understood by those skilled in the art that the gasifier rich start-up apparatus and method of the present invention includes any combination of the parts described herein. These combinations are not described in detail herein for the sake of brevity and clarity, but the scope of the invention, which is defined by any combination of the parts constructed in this specification, will become apparent after review of this specification.
Claims (13)
1. The utility model provides a rich oil starting drive of gasifier, includes pump oil chamber (1), measurement room (2), oil cup (3), mixing chamber (5), choke valve (6) and pump oil diaphragm (8), its characterized in that: the starting device also comprises three oil ways connected to the fuel oil-rich cavity (12), wherein the three oil ways are an oil inlet channel (9), a fuel oil clearing channel (14) and an oil-rich starting oil channel (13) respectively; the bottom of the oil cup (3) is provided with a pump force conduction channel (10) which is communicated with the pump oil cavity (1), positive pressure and negative pressure are introduced into the pump oil cavity (1) to drive the pump oil diaphragm (8) to move back and forth, when an operator squeezes the oil cup (3), air of a carburetor is discharged outwards through the fuel oil removing channel (14), a part of fuel oil enters the pump oil cavity (1) through the pump force conduction channel (10) at the bottom of the oil cup (3), and the fuel oil in the fuel oil rich oil cavity (12) is pushed to be sprayed out from the check valve (11) with a measuring hole in the rich oil starting channel (13) through the pump oil diaphragm (8); when an operator releases the oil cup (3), the oil in the oil can is sucked into the metering chamber (2) of the carburetor by the negative pressure generated by the oil cup (3), the redundant fuel oil enters a fuel oil rich cavity (12) and a fuel oil clearing channel (14) of the carburetor, and the operation is repeated, so that the fuel oil is sprayed into a mixing chamber (5) of the carburetor from a fuel oil rich starting channel (13) to realize starting.
2. The gasifier rich start device of claim 1, wherein: the bottom of the oil cup (3) is provided with a pump force transmission channel (10) which is communicated with the pump oil cavity (1).
3. The gasifier rich start device of claim 1, wherein: one side of the oil pumping diaphragm (8) is provided with a fuel oil rich cavity (12).
4. The gasifier rich start device of claim 1, wherein: a one-way valve (4) with a spring is arranged at the inlet of the oil inlet channel (9).
5. The gasifier rich start device of claim 1, wherein: the rich oil starting oil passage (13) is provided with a one-way valve (11) with a measuring hole.
6. The gasifier rich start device of claim 5, wherein: the check valve (11) with the measuring hole is provided with a spring.
7. The gasifier rich start device of claim 1, wherein: the oil-rich starting oil passage (13) is also provided with a pressure balance hole (15) which is communicated with the atmosphere in the direction of the choke valve.
8. The gasifier rich start device of claim 1, wherein: a throat pipe (7) is arranged between the mixing chamber (5) and the choke valve (6).
9. The gasifier rich start device of claim 1, wherein: the oil pumping diaphragm (8), the check valve (4) with the spring and the check valve (11) with the metering orifice form a pump.
10. A method of starting a gasifier rich starter as claimed in claim 1, comprising the steps of:
firstly, squeezing an oil cup (3) and spraying quantitative fuel oil in advance;
secondly, closing the choke valve;
thirdly, pulling the engine starter by hand until the engine runs;
and fourthly, normally operating the accelerator and the accelerator.
11. A starting method as defined in claim 10, wherein: in the first step, when an operator squeezes the oil cup, positive pressure is generated during squeezing action, negative pressure is generated during loosening action, and quantitative fuel oil is pre-sprayed into the mixing chamber (5) by utilizing the positive pressure generated during squeezing the oil cup.
12. A starting method as defined in claim 10, wherein: when an operator squeezes the oil cup (3), starting fuel is injected into the carburetor through the check valve of the rich starting channel (13) under the pressure of the oil pumping diaphragm (8), and the check valve (4) of the oil inlet channel (9) is closed.
13. A starting method as defined in claim 10, wherein: when an operator releases the oil cup (3), the self resilience force of the oil cup (3) forms negative pressure through the pump oil film, at the moment, the one-way valve (4) of the oil inlet channel (9) is opened, fuel oil is sucked, and the one-way valve (11) with the metering hole on the rich oil starting channel (13) is closed, so that the fuel oil cavity is filled with the fuel oil, and preparation is made for the second oil injection circulation.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610925134.3A CN106555708B (en) | 2016-09-30 | 2016-10-30 | Gasifier oil-rich simple starting device and starting method |
| US15/417,040 US10330048B2 (en) | 2016-10-30 | 2017-01-26 | Fuel enrichment simple starting device and method of carburetor |
| US16/407,181 US10612494B2 (en) | 2016-10-30 | 2019-05-09 | Fuel enrichment simple starting device, starting system and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2016108720974 | 2016-09-30 | ||
| CN201610872097 | 2016-09-30 | ||
| CN201610925134.3A CN106555708B (en) | 2016-09-30 | 2016-10-30 | Gasifier oil-rich simple starting device and starting method |
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| CN106555708A CN106555708A (en) | 2017-04-05 |
| CN106555708B true CN106555708B (en) | 2020-01-07 |
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| CN108223194A (en) * | 2018-02-01 | 2018-06-29 | 福建省福林化油器有限公司 | The integral type oil vacuole carburetor and its operating method started suitable for various operating modes |
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| CN202545057U (en) * | 2012-05-17 | 2012-11-21 | 浙江瑞星化油器制造有限公司 | Simple start diaphragm carburetor with auxiliary oil path |
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| CN206256976U (en) * | 2016-09-30 | 2017-06-16 | 浙江瑞星化油器制造有限公司 | Gasifier rich oil esay starter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0221577Y2 (en) * | 1985-09-02 | 1990-06-11 | ||
| WO2013074768A1 (en) * | 2011-11-15 | 2013-05-23 | Walbro Engine Management, L.L.C. | Carburetor fuel supply system |
-
2016
- 2016-10-30 CN CN201610925134.3A patent/CN106555708B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6533254B1 (en) * | 2001-10-05 | 2003-03-18 | Walbro Corporation | Carburetor fuel pump |
| CN101216002A (en) * | 2007-01-05 | 2008-07-09 | 沃尔布罗发动机使用有限责任公司 | Priming circuit for a fuel system |
| CN202545057U (en) * | 2012-05-17 | 2012-11-21 | 浙江瑞星化油器制造有限公司 | Simple start diaphragm carburetor with auxiliary oil path |
| CN104912694A (en) * | 2014-02-28 | 2015-09-16 | 沃尔布罗发动机使用有限责任公司 | Carburetor with low flow rate fluid passage |
| CN206256976U (en) * | 2016-09-30 | 2017-06-16 | 浙江瑞星化油器制造有限公司 | Gasifier rich oil esay starter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106555708A (en) | 2017-04-05 |
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Address after: 325204 168 Fengdu five road, North Zhejiang Industrial Park, Ruian Applicant after: Zhejiang Ruixing Carburetor Manufacturing Co.,Ltd. Address before: 325204 168 Fengdu five road, North Zhejiang Industrial Park, Ruian, Hangzhou, China Applicant before: Zhejiang Ruixing Carburetor Manufacturing Co.,Ltd. |
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Denomination of invention: Simple starting device and method for rich oil of gasifier Effective date of registration: 20210322 Granted publication date: 20200107 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: Zhejiang Ruixing Carburetor Manufacturing Co.,Ltd. Registration number: Y2021980001891 |
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Denomination of invention: Simple oil rich starting device and starting method of gasifier Effective date of registration: 20220509 Granted publication date: 20200107 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: Zhejiang Ruixing Carburetor Manufacturing Co.,Ltd. Registration number: Y2022330000660 |
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Date of cancellation: 20230625 Granted publication date: 20200107 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: Zhejiang Ruixing Carburetor Manufacturing Co.,Ltd. Registration number: Y2022330000660 |
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Address after: 325000 auto parts industry base of Ruian City, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Ruixing Electromechanical Technology Co.,Ltd. Address before: 325204 168 Fengdu five road, North Zhejiang Industrial Park, Ruian Patentee before: Zhejiang Ruixing Carburetor Manufacturing Co.,Ltd. |
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Denomination of invention: A Simple Starting Device and Method for Gasifier Rich Oil Effective date of registration: 20230712 Granted publication date: 20200107 Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd. Plaza Science and Technology Branch Pledgor: Zhejiang Ruixing Electromechanical Technology Co.,Ltd. Registration number: Y2023110000282 |