CN108019299A - Engine and carburetor and launch device - Google Patents
Engine and carburetor and launch device Download PDFInfo
- Publication number
- CN108019299A CN108019299A CN201711317515.4A CN201711317515A CN108019299A CN 108019299 A CN108019299 A CN 108019299A CN 201711317515 A CN201711317515 A CN 201711317515A CN 108019299 A CN108019299 A CN 108019299A
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- China
- Prior art keywords
- valve rod
- engine
- carburetor
- air
- mixed gas
- Prior art date
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Classifications
-
- 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
- F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
- F02M17/44—Carburettors characterised by draught direction and not otherwise provided for, e.g. for model aeroplanes
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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
- F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
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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
- F02M9/00—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position
- F02M9/02—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position having throttling valves, e.g. of piston shape, slidably arranged transversely to the passage
Abstract
The present invention is a kind of engine and carburetor and launch device, is related to technical field of engines, is designed to solve the problems, such as in available engine scavenging process that energy consumption is higher and environmental pollution is serious.The engine and carburetor includes carburetor body, oil inlet pipe, oil outlet and the lid being detachably connected with carburetor body, and the air duct for flowing through air is provided with lid, and air flows into crankcase through air duct.The first valve rod assembly for controlling air mass flow is provided with air duct, the second valve rod assembly for controlling mixed gas flow is provided with mixed gas passage.The launch device includes engine and above-mentioned engine and carburetor.Engine and carburetor provided by the invention and launch device are used to reduce the energy waste during engine blow-through air, and reduce the discharge of harmful exhaust.
Description
Technical field
The present invention relates to technical field of engines, more particularly to a kind of engine and carburetor and launch device.
Background technology
Two stroke engine has the characteristics that compact-sized, light-weight and operating speed-raising is fast, thus is widely used in agriculture
The numerous areas such as industry, forestry and gardening.Although two stroke engine has many advantages, such as, the ventilation with four-stroke engine
Process is different, and two stroke engine needs to carry out scavenging with fresh combustion mixture, this will cause part combustion mixture with
Tail gas is together discharged, and then the severe problem such as causes oil consumption to be increased, is seriously polluted.
In general, two stroke engine includes the components such as cylinder block, piston and crankcase, wherein, one end connection of cylinder block
There is engine and carburetor, the other end is connected with exhaust outlet, its operation principle is：Two stroke engine during the work time, piston
Pump in cylinder block, during piston stroking upward, the gaseous mixture of cylinder deck is done work by spark ignitor, at this time, bent
Just negative pressure is produced in axle box.Since crankcase is connected with the hybrid channel of engine and carburetor, under suction function, air warp
Mixed gas passage flows to crankcase, and at this time, oil outlet is also fuel-displaced under suction function, and formed after being mixed with air gaseous mixture into
And flow into crankcase.During descent of piston, just compress gaseous mixture and be allowed to clear away the exhaust gas after engine acting, Jin Ertong
Exhaust gas is discharged from exhaust outlet together.The setting of above-mentioned engine and carburetor, though two stroke engine is improved to a certain extent
Working performance, still, in scavenging process, gaseous mixture contacts mixing with the high-temp waste gas produced in engine working process,
The concentration of the hydrocarbon caused in discharge gas and carbon monoxide is raised significantly, seriously polluted environment.Moreover,
During gaseous mixture carries out scavenging, the unfavorable situation that gaseous mixture is escaped from exhaust ports is there is also, energy consumption is larger.
The content of the invention
First purpose of the present invention is to provide a kind of engine and carburetor, to solve in available engine scavenging process
Energy consumption is higher and the serious technical problem of environmental pollution.
Engine and carburetor provided by the invention, including carburetor body, oil inlet pipe, oil outlet and with the carburetor sheet
The lid that body is detachably connected.
Be provided with the mixed gas passage for flowing through gaseous mixture on the carburetor body, the oil inlet pipe and it is described go out
Oil nozzle is connected with the mixed gas passage, the air duct for flowing through air is provided with the lid, air is through institute
State air duct and flow into crankcase.
The first valve rod assembly for controlling air mass flow is provided with the air duct, is set in the mixed gas passage
It is equipped with the second valve rod assembly for controlling mixed gas flow.
Further, the choke that is arranged in the mixed gas passage is further included and for controlling the choke aperture
The 3rd valve rod assembly.
Further, first valve rod assembly include mutually passing through in the air duct the first valve rod and be installed in described
Air throttle valve on first valve rod, rotates first valve rod, logical between the air throttle valve and the air duct
Flow area increases or reduces.
Further, second valve rod assembly include mutually pass through in the mixed gas passage the second valve rod and be installed in institute
The mixing throttle valve on the second valve rod is stated, rotates second valve rod, the mixing throttle valve and the mixed gas passage
Between flow area increase or reduce.
Further, the first rocking arm is installed with first valve rod, wiper arm is installed with second valve rod, rotates institute
The second valve rod is stated, the wiper arm can stir first rocking arm, and then drive first valve rod to rotate.
Further, first valve rod assembly further includes the elasticity resetted for the rotation to first valve rod
Return unit.
Further, the dynamic clamping head and quiet clamping head includes the first torsional spring, one end of first torsional spring and first valve rod
It is fixedly connected, the other end is fixedly connected with the carburetor body.
Further, the lid includes upper cover and lower cover, and the upper cover is connected with the lower cover by trip bolt
In the carburetor body.
The air duct is set on the cover.
Further, the axis of the air duct is parallel with the axis of the mixed gas passage.
The beneficial effect that inventive engine carburetor is brought is：
By setting lid in engine and carburetor, and air duct is set in lid, wherein, lid and engine
Carburetor body in carburetor is detachably connected, and air duct is used to pass air into crankcase.Also, in air
The first valve rod assembly is additionally provided with passage, is additionally provided with the second valve rod assembly in mixed gas passage, the first valve rod assembly and
Second valve rod assembly is respectively used to control and flows through the air mass flow of air duct and flow through the mixed gas flow of mixed gas passage.
The engine and carburetor during the work time, using the first valve rod assembly adjusts the flow area of air duct
Section, to provide the air capacity needed for cleaning exhaust gas for engine；Meanwhile using the second valve rod assembly to the through-flow of mixed gas passage
Area is adjusted, to provide the air-fuel mixture amount needed for work by combustion for engine.
The engine and carburetor uses the scavenging mode of pure air, improves traditional two stroke engine and uses air-fuel mixture
During gas scavenging, because environmental pollution phenomenon is serious caused by gaseous mixture contacts with high-temp waste gas mixing the drawbacks of.Moreover, this adopt
The mode of scavenging is carried out with pure air, the gaseous mixture from exhaust ports escape is also greatly reduced, so as to reduce the wave of the energy
Take, improve energy utilization rate.
In addition, by setting the first valve rod assembly and the second valve rod assembly, with the stream to air duct and mixed gas passage
Amount is controlled, and realizes the quantitative adjusting to air inflow, and then realizes the optimization to function of the engine, ensure that hair
The optimum Working of motivation.Also, by setting the lid being detachably connected with carburetor body, and by air duct and mix
Close gas passage to be separately positioned in the two, the manufacturing process of engine and carburetor is simplified, so as to reduce processing cost.Separately
Outside, the scheme of the engine and carburetor is easily achieved, simple in structure, not only saves the energy, but also harmful exhaust emissions are less, right
In constructing environment friendly, society is of great significance.
Second object of the present invention is to provide a kind of launch device, to solve energy consumption in available engine scavenging process
The serious technical problem of higher and environmental pollution.
Launch device provided by the invention, including engine and above-mentioned engine and carburetor.
The air duct and the mixed gas passage with the crankcase of the engine is closed connects.
The beneficial effect that launch device of the present invention is brought is：
By setting engine and above-mentioned engine and carburetor in launch device, correspondingly, the launch device is with upper
State engine and carburetor institute it is advantageous, this is no longer going to repeat them.
In addition, when the launch device works, by engine and carburetor to the air capacity and air-fuel mixture amount into engine
It is adjusted, to reach the optimum working performance of engine, so as to reach the optimal working status of launch device.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of engine and carburetor of the embodiment of the present invention；
Fig. 2 is the main structure diagram of engine and carburetor of the embodiment of the present invention；
Fig. 3 is the A-A sectional views in Fig. 2；
Fig. 4 is scheme of installation of the air throttle valve on the first valve rod in engine and carburetor of the embodiment of the present invention；
Fig. 5 is the left view structural representation of engine and carburetor of the embodiment of the present invention；
Fig. 6 is the overlooking the structure diagram of engine and carburetor of the embodiment of the present invention；
Fig. 7 is the right side structural representation of engine and carburetor of the embodiment of the present invention, and at this time, engine and carburetor is in non-
Working status；
Fig. 8 is the A-A sectional views of engine and carburetor in a non-operative state in Fig. 2, wherein, air throttle valve, mixing
Throttle valve and choke are in closure state；
Fig. 9 is another right side structural representation of engine and carburetor of the embodiment of the present invention, at this time, at engine and carburetor
In working status；
Figure 10 is the A-A sectional views of engine and carburetor in the operating condition in Fig. 2, wherein, air throttle valve, gaseous mixture
Air throttle and choke are in opening.
Icon：100- carburetor bodies；200- upper covers；300- lower covers；The first valve rod assemblies of 400-；500- idle speed adjustment spiral shells
Nail；The second valve rod assemblies of 600-；The 3rd valve rod assemblies of 700-；800- trip bolts；110- oil inlet pipes；120- mounting holes；130-
Mixed gas passage；140- oil outlets；210- air ducts；The first valve rods of 410-；The first rocking arms of 420-；The first torsional springs of 430-；
440- air throttle valves；450- mounting screws；421- pillars；The second valve rods of 610-；The second rocking arms of 620-；The second torsional springs of 630-；
640- mixing throttle valves；650- wiper arms；The 3rd valve rods of 710-；The 3rd rocking arms of 720-；The 3rd torsional springs of 730-；740- chokes.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the technology below in conjunction with attached drawing to the present invention
Scheme carries out clear, complete description.Obviously, described embodiment is only the part of the embodiment of the present invention, rather than entirely
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiments obtained, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to which the orientation of the instruction such as explanation, term " on ", " under " or position relationship are
Based on orientation shown in the drawings or position relationship, it is only for easy to describe the present invention and simplify description, rather than instruction or
Imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that
Limitation of the present invention.In addition, term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or
Imply relative importance.
In the description of the present invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " connection " should be done
It broadly understood, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be directly connected,
It can also be indirectly connected by intermediary, can be the connection inside two elements.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6 and Fig. 7, a kind of engine and carburetor, including carburetor are present embodiments provided
Body 100, oil inlet pipe 110, oil outlet 140 and the lid being detachably connected with carburetor body 100.Specifically, such as
Shown in Fig. 3, the mixed gas passage 130 for flowing through gaseous mixture is provided with carburetor body 100, oil inlet pipe 110 and fuel-displaced
Mouth 140 is connected with mixed gas passage 130, is provided with the air duct 210 for flowing through air on lid, and air can be through
Air duct 210 flows into crankcase.Wherein, the first valve rod assembly 400 is additionally provided with air duct 210, is led in gaseous mixture
The second valve rod assembly 600 is additionally provided with road 130, the first valve rod assembly 400 and the second valve rod assembly 600 are respectively used to control stream
Air mass flow through air duct 210 and the mixed gas flow for flowing through mixed gas passage 130.
The engine and carburetor during the work time, the flow area using the first valve rod assembly 400 to air duct 210
It is adjusted, to provide the air capacity needed for cleaning exhaust gas for engine；Meanwhile using the second valve rod assembly 600 to gaseous mixture
The flow area of passage 130 is adjusted, to provide the air-fuel mixture amount needed for work by combustion for engine.
The engine and carburetor uses the scavenging mode of pure air, improves traditional two stroke engine and uses air-fuel mixture
During gas scavenging, because environmental pollution phenomenon is serious caused by gaseous mixture contacts with high-temp waste gas mixing the drawbacks of.Moreover, this adopt
The mode of scavenging is carried out with pure air, the gaseous mixture from exhaust ports escape is also greatly reduced, so as to reduce the wave of the energy
Take, improve energy utilization rate.
In addition, by setting the first valve rod assembly 400 and the second valve rod assembly 600, with to air duct 210 and gaseous mixture
The flow of passage 130 is controlled, and realizes the quantitative adjusting to air inflow, and then realize to the excellent of function of the engine
Change, ensure that the optimum Working of engine.Also, by setting the lid being detachably connected with carburetor body 100, and
Air duct 210 and mixed gas passage 130 are separately positioned in the two, simplify the manufacturing process of engine and carburetor, from
And reduce processing cost.In addition, the scheme of the engine and carburetor is easily achieved, and it is simple in structure, the energy is not only saved, but also
Harmful exhaust emissions are less, and for constructing environment friendly, society is of great significance.
Continue referring to Fig. 1-Fig. 3, in the present embodiment, lid includes upper cover 200 and lower cover 300, specifically, upper cover 200
Carburetor body 100 is connected to by trip bolt 800 with lower cover 300.Also, air duct 210 is arranged on upper cover 200
On.Trip bolt 800 connects reliably, convenient disassembly.
In order to further improve the connection reliability of upper cover 200 and lower cover 300 and carburetor body 100, upper cover 200 is with
Lid 300 can be connected on carburetor body 100 by two trip bolts 800.
Continue referring to Fig. 1-Fig. 3, in the present embodiment, the axis of the axis and mixed gas passage 130 of air duct 210 is put down
OK.Such setting, saves arrangement space so that the structure of engine and carburetor is more compact, and is easily achieved.
Fig. 2 and Fig. 3 are continued referring to, and combines Fig. 4, in the present embodiment, the first valve rod assembly 400 includes mutually passing through in air
First valve rod 410 of passage 210 and the air throttle valve 440 being installed on the first valve rod 410, it is empty when rotating the first valve rod 410
Flow area increase or reduction between throttle valve 440 and air duct 210.When needing the sky to flowing through air duct 210
When throughput is adjusted, the first valve rod 410 is rotated, you can realize the quick regulation to 210 flow area of air duct, very
It is convenient.
Continue referring to Fig. 2-Fig. 4, in the present embodiment, mounting plane, air section are provided with the bar segment of the first valve rod 410
Valve 440 is fixed on mounting plane by mounting screw 450.Specifically, air throttle valve 440 can be and air duct
The matched sealing plate of 210 internal diameters, when the edge of sealing plate is completely attached to the inner wall of air duct 210, air throttle valve 440
For closure state, air duct 210 is separated by air throttle valve 440.
Continue referring to Fig. 1, Fig. 2 and Fig. 6, in the present embodiment, the first valve rod assembly 400 can also include being used for first
The dynamic clamping head and quiet clamping head that the rotation of valve rod 410 is resetted.The setting of dynamic clamping head and quiet clamping head, realizes the automatic multiple of the first valve rod 410
Position.
In the present embodiment, dynamic clamping head and quiet clamping head includes the first torsional spring 430, specifically, one end of the first torsional spring 430 and the first valve
Bar 410 is fixedly connected, and the other end is fixedly connected with carburetor body 100.Torsional spring is simple in structure, and cost is relatively low, and reset is reliable, into
One step improves the functional reliability of the present embodiment engine and carburetor.
Continue referring to Fig. 1, Fig. 2 and Fig. 7, in the present embodiment, the first rocking arm can also be installed with the first valve rod 410
420.By rotating the first Rocker arm 4 20, you can realize the rotation control to the first valve rod 410, it is very convenient.
Continue referring to Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6 and Fig. 7, in the present embodiment, the second valve rod assembly 600 includes mutually passing through
In the second valve rod 610 of mixed gas passage 130 and the mixing throttle valve 640 being installed on the second valve rod 610, the second valve is rotated
Bar 610, mixes the flow area increase between throttle valve 640 and mixed gas passage 130 or reduces.Wherein, the second valve rod group
The structure of part 600 is similar with the structure of the first valve rod assembly 400, i.e.,：The second rocking arm 620 is installed with second valve rod 610, and
And second valve rod assembly 600 include be used for the second valve rod 610 carry out rotate reset the second torsional spring 630, the second torsional spring 630
One end be fixedly connected with the second valve rod 610, the other end is fixedly connected with carburetor body 100.In addition, mixing throttle valve
Connection mode between 640 and the second valve rod 610 is similar with the connection mode between air throttle valve 440 and the first valve rod 410,
In this not go into detail.
Continue referring to Fig. 7, can be with fixed wiper arm 650 on the second valve rod 610 in the present embodiment.Rotate the second valve rod
When 610, wiper arm 650 can stir the first Rocker arm 4 20, and then drive the first valve rod 410 to rotate.The setting of wiper arm 650, realizes
The coordinated signals of first valve rod 410 and the second valve rod 610.
Continue referring to Fig. 2 and Fig. 7, in the present embodiment, pillar 421 is installed with the first Rocker arm 4 20.Second valve rod 610
In rotation process, wiper arm 650 is by stirring pillar 421, you can realizes the control to the first valve rod 410, stress is reliable.
Continue referring to Fig. 3, in the present embodiment, which can also include being arranged on mixed gas passage 130
In choke 740 and the 3rd valve rod assembly 700 for controlling 740 aperture of choke.
During engine cold-start, choke 740 is closed, to reduce the air content in gaseous mixture, so as to fulfill gaseous mixture
The increase of concentration, and then realize the quick startup of engine；After engine start, by the 3rd valve rod assembly 700 to choke
740 apertures are adjusted, and are mixed with ensureing that air can be normally entered with oil gas, so as to fulfill the normal work of engine
Make.
Continue referring to Fig. 1, Fig. 2, Fig. 3, Fig. 5 and Fig. 6, in the present embodiment, the 3rd valve rod assembly 700 includes mutually passing through in mixed
The 3rd valve rod 710 of gas passage 130 is closed, specifically, choke 740 is installed on the 3rd valve rod 710.The 3rd valve rod 710 is rotated,
Flow area increase or reduction between choke 740 and mixed gas passage 130.Wherein, the structure of the 3rd valve rod assembly 700 with
The structure of first valve rod assembly 400 and the second valve rod assembly 600 is similar, i.e.,：The 3rd rocking arm 720 is installed with 3rd valve rod 710,
Also, the 3rd valve rod assembly 700 includes being used for the 3rd torsional spring 730 for the 3rd valve rod 710 rotate reset, the 3rd torsional spring
730 one end is fixedly connected with the 3rd valve rod 710, and the other end is fixedly connected with carburetor body 100.In addition, choke 740 with
Connection mode between 3rd valve rod 710 between air throttle valve 440 and the first valve rod 410 and mix throttle valve 640 with
Connection mode between second valve rod 610 is similar, and in this not go into detail.
Continue referring to Fig. 1, Fig. 2 and Fig. 6, in the present embodiment, which can also include idle speed adjustment spiral shell
Nail 500.
As shown in figure 8, when the present embodiment engine and carburetor is in off working state, air throttle valve 440, gaseous mixture
Air throttle 640 and choke 740 are in closure state.
When the present embodiment engine and carburetor is in running order, as shown in Figure 10, choke 740 is in open shape
State, rotates the second rocking arm 620, opens mixing throttle valve 640 by the second valve rod 610, and then stir first by wiper arm 650
Rocker arm 4 20 (as shown in Figure 9), so as to open air throttle valve 440 by the first valve rod 410.
It should be noted that in Figure 10, the direction of arrow is the direction that air enters, and is gaseous mixture at point off density.
The present embodiment additionally provides a kind of launch device, including engine and above-mentioned engine and carburetor.Specifically, air
Passage 210 and mixed gas passage 130 with the crankcase of engine is closed connects.
Correspondingly, the launch device has, the institute of above-mentioned engine and carburetor is advantageous, and this is no longer going to repeat them.
In addition, when the launch device works, by engine and carburetor to the air capacity and air-fuel mixture amount into engine
It is adjusted, to reach the optimum working performance of engine, so as to reach the optimal working status of launch device.
Continue referring to Fig. 1 and Fig. 2, in the present embodiment, mounting hole 120 can also be set, with reality on carburetor body 100
The existing installation of engine and carburetor on the engine is fixed.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution described in previous embodiment, either which part or all technical characteristic are equal
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from the model of technical solution of the embodiment of the present invention
Enclose.
Claims (10)
1. a kind of engine and carburetor, including carburetor body (100), oil inlet pipe (110) and oil outlet (140), the carburetion
Be provided with the mixed gas passage (130) for flowing through gaseous mixture on device body (100), the oil inlet pipe (110) and it is described go out
Oil nozzle (140) is connected with the mixed gas passage (130), it is characterised in that further including can with the carburetor body (100)
The lid of dismantling connection together, is provided with the air duct (210) for flowing through air on the lid, described in air warp
Air duct (210) flows into crankcase；
The first valve rod assembly (400) for controlling air mass flow is provided with the air duct (210), the gaseous mixture leads to
The second valve rod assembly (600) for controlling mixed gas flow is provided with road (130).
2. engine and carburetor according to claim 1, it is characterised in that further include and be arranged on the mixed gas passage
(130) choke (740) in and the 3rd valve rod assembly (700) for controlling the choke (740) aperture.
3. engine and carburetor according to claim 2, it is characterised in that first valve rod assembly (400) includes phase
Pass through the first valve rod (410) in the air duct (210) and the air throttle valve that is installed on first valve rod (410)
(440), first valve rod (410) is rotated, it is through-flow between the air throttle valve (440) and the air duct (210)
Area increases or reduces.
4. engine and carburetor according to claim 3, it is characterised in that second valve rod assembly (600) includes phase
Pass through the second valve rod (610) in the mixed gas passage (130) and the gaseous mixture solar term that are installed on second valve rod (610)
Door (640), rotates second valve rod (610), between the mixing throttle valve (640) and the mixed gas passage (130)
Flow area increase or reduce.
5. engine and carburetor according to claim 4, it is characterised in that is installed with first valve rod (410)
One rocking arm (420), wiper arm (650) is installed with second valve rod (610), rotates second valve rod (610), the wiper arm
(650) first rocking arm (420) can be stirred, and then drives first valve rod (410) to rotate.
6. according to claim 3-5 any one of them engine and carburetors, it is characterised in that first valve rod assembly
(400) dynamic clamping head and quiet clamping head resetted for the rotation to first valve rod (410) is further included.
7. engine and carburetor according to claim 6, it is characterised in that the dynamic clamping head and quiet clamping head includes the first torsional spring
(430), one end of first torsional spring (430) is fixedly connected with first valve rod (410), the other end and the carburetor sheet
Body (100) is fixedly connected.
8. engine and carburetor according to claim 1, it is characterised in that the lid includes upper cover (200) and lower cover
(300), the upper cover (200) and the lower cover (300) are connected to the carburetor body by trip bolt (800)
(100)；
The air duct (210) is arranged in the upper cover (200).
9. engine and carburetor according to claim 1, it is characterised in that the axis of the air duct (210) and institute
The axis for stating mixed gas passage (130) is parallel.
10. a kind of launch device, it is characterised in that including engine and claim 1-9 any one of them engine carburetion
Device；
The air duct (210) and the mixed gas passage (130) with the crankcase of the engine is closed connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711317515.4A CN108019299A (en) | 2017-12-12 | 2017-12-12 | Engine and carburetor and launch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711317515.4A CN108019299A (en) | 2017-12-12 | 2017-12-12 | Engine and carburetor and launch device |
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| CN108019299A true CN108019299A (en) | 2018-05-11 |
Family
ID=62073192
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|---|---|---|---|
| CN201711317515.4A Pending CN108019299A (en) | 2017-12-12 | 2017-12-12 | Engine and carburetor and launch device |
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| CN106930867A (en) * | 2017-05-15 | 2017-07-07 | 郭晓峰 | Carburetor resetting-mechanism and carburetor |
| CN207554218U (en) * | 2017-12-12 | 2018-06-29 | 浙江天泰机械有限公司 | Engine and carburetor and launch device |
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| GB183549A (en) * | 1921-04-22 | 1922-07-24 | Percy Horatio Cockings | An improved carburetter |
| CN101881239A (en) * | 2010-06-23 | 2010-11-10 | 陈其安 | Simple start diaphragm type carburetor |
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