CN207212538U - A kind of gas handling system for layered scavenging two-stroke engine - Google Patents
A kind of gas handling system for layered scavenging two-stroke engine Download PDFInfo
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- CN207212538U CN207212538U CN201720338462.3U CN201720338462U CN207212538U CN 207212538 U CN207212538 U CN 207212538U CN 201720338462 U CN201720338462 U CN 201720338462U CN 207212538 U CN207212538 U CN 207212538U
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- passage
- air filter
- rotary valve
- carburetor
- channel
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Abstract
The utility model discloses a kind of gas handling system for layered scavenging two-stroke engine, including mixed gas passage, air duct, single hole rotary valve type carburetor and air filter；Mixed gas passage is made up of air filter first passage, the rotary valve first passage and air inlet pipe first passage of carburetor, and mixed gas passage is since air filter first passage, through carburetor and air inlet pipe；Air duct is made up of air filter second channel, the rotary valve second channel of carburetor and air inlet pipe second channel；Single hole rotary valve type carburetor is made up of rotary valve, carburetor body, spindle, atomizer, pump oil device；Air filter is made up of air filter spacer member, air filter first passage and air filter second channel.The utility model good reliability, compact-sized, manufacturing cost is low, can effectively reduce the content of harmful components in tail gas, can reduce the discharge numerical value of engine, substantially improves the discharge of pollutant, and effectively reduces the fuel consumption of engine, saves the energy.
Description
Technical field
It the utility model is related to a kind of gas handling system, specifically a kind of air inlet system for layered scavenging two-stroke engine
System.
Background technology
In two-stroke layered-scavenging engine, the complete cycle of two stroke engine may include piston up stroke and
Downward stroke；During up stroke, ozone and gaseous mixture import, and downward stroke process after ignition
In, scavenging occurs.In scavenging process, cleaned using ozone, produced in burning waste gas and unburned gaseous mixture it
Between form layering, final purpose minimizes the amount of the non-burning mixt of discharge.
And the carburetor for being used for layered scavenging two-stroke engine is provided with the passage of separation, that is, it is used to generate gaseous mixture simultaneously
And gaseous mixture is supplied to the mixed gas passage of engine body, and the air for supplying the air for layered scavenging leads to
Road, single hole butterfly valve type vaporizer is applied in layered scavenging two-stroke engine, the butterfly valve associates movement with throttle operation.
Allow the size for reducing engine, and contribute substantially to mitigate weight.Moreover, be provided with separation mixture channel and
, it is necessary in the butterfly valve being respectively arranged in these passages in the vaporizer of air duct, throttled against return spring
Operation, so as to which during operation, load is larger.However, above-mentioned single hole vaporizer only has a return spring.
It during operation, using single hole vaporizer, can not only reduce size and weight, and fatigue can be reduced, but
Be the technical scheme due to no pump oil device, it is necessary to external pump oil device.Simultaneously because butterfly valve associates movement with throttle operation, lead
Cause butterfly valve type carburetor structure is more complicated, and cost is higher.Using single hole butterfly valve type carburetor, due to butterfly valve and throttle operation
Association movement, structure is more complicated, and needs external pump oil device, compared to the more common single hole rotary valve type carburetor with pump oil device
Cost is higher.Engine emission numerical value is big, deficiency in economic performance, and harmful substance contents are high in tail gas, seriously pollute environment.
Utility model content
The purpose of this utility model is to provide a kind of gas handling system for layered scavenging two-stroke engine, to solve
The problem of being proposed in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of gas handling system for layered scavenging two-stroke engine, including mixed gas passage, air duct, single hole turn
Valve type carburetor and air filter；The mixed gas passage be by air filter first passage, carburetor rotary valve first passage and enter
Tracheae first passage forms, and one end of air filter first passage is fixed on carburetor and docked with one end of rotary valve first passage
Together, the other end of rotary valve first passage is connected with air inlet pipe first passage；The air duct is led to by air filter second
Road, the rotary valve second channel of carburetor and air inlet pipe second channel composition, one end of air filter second channel is fixed on carburetor
Upper and be stitched together with one end of rotary valve second channel, the other end of rotary valve second channel connects with air inlet second channel；Institute
State single hole rotary valve type carburetor to be made up of rotary valve, carburetor body, spindle, atomizer, pump oil device, installed on carburetor body
Rotary valve, rotary valve internal base are provided with spindle, are close to spindle and are provided with atomizer, pump oil device is fixed on the bottom of device；Institute
State air filter to be made up of air filter spacer member, air filter first passage and air filter second channel, air filter spacer member will be logical
Road is divided into air filter first passage and air filter second channel.
As further program of the utility model：The carburetor is single hole rotary valve type carburetor, and rotary valve has two
Passage.
As the utility model further scheme：The air filter has two passages, and separator extends to carburetion
In device.
As the utility model further scheme：The air inlet pipe has two passages, and separator extends to carburetion
In device.
As the utility model further scheme：Sealing ring is provided with the air filter passage.
Compared with prior art, the beneficial effects of the utility model are：The gas handling system can have simple, good reliability,
It is compact and have the low structure of cost, and the content of harmful components in tail gas can be effectively reduced, the discharge of engine can be reduced
Numerical value, the discharge of pollutant is substantially improved, and effectively reduce the fuel consumption of engine, improve economic benefit.
Brief description of the drawings
Fig. 1 is the structural representation of the gas handling system for layered scavenging two-stroke engine.
Fig. 2 is the structural representation for carburetor in the gas handling system of layered scavenging two-stroke engine.
Fig. 3 is the structural representation for air inlet pipe in the gas handling system of layered scavenging two-stroke engine.
Fig. 4 is the structural representation for air filter in the gas handling system of layered scavenging two-stroke engine.
Fig. 5 is for the structural representation in the gas handling system of layered scavenging two-stroke engine during idling.
Fig. 6 is the structural representation for the carburetor in the gas handling system of layered scavenging two-stroke engine during idling.
In figure：1- air filters first passage, 2- air filters spacer member, 3- air filters second channel, 4- air filters, 5- turn
Valve,
6- spindles, 7- carburetors, 8- rotary valves second channel, 9- air inlet pipe, 10- air inlet pipe second, 11- air inlet pipe dividing plates
Part, first of 12- air inlet pipe, 13- rotary valves first passage, 14- atomizers, 15- carburetor bodies, 16- pump oil devices.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1~6, a kind of gas handling system for layered scavenging two-stroke engine, including mixed gas passage, sky
Gas passage, single hole rotary valve type carburetor and air filter 4, the mixed gas passage are by air filter first passage 1, carburetor 7
Rotary valve first passage 13 and air inlet pipe first passage 12 are formed, and one end of air filter first passage 1 is fixed on carburetor 7, empty
Filter first passage 1 and the one end of rotary valve first passage 13 link together, and the other end of rotary valve first passage 13 is connected with air inlet
Pipe first passage 12, mixed gas passage is since air filter first passage 1, through carburetor 7 and air inlet pipe 9；The air leads to
Road is made up of air filter second channel 3, the rotary valve second channel 8 of carburetor 7 and air inlet pipe second channel 10, air filter second
One end of passage 3 is fixed on carburetor 7 and linked together with one end of rotary valve second channel 8, rotary valve second channel 8 it is another
One end and air inlet second channel 10 connect；The single hole rotary valve type carburetor is by rotary valve 5, carburetor body 15, spindle 6, spray
Oil nozzle 14, pump oil device 16 are formed, and rotary valve 5 is installed on carburetor body 15, and the internal base of rotary valve 5 is provided with spindle 6, is close to
Spindle 6 is provided with atomizer 14, and pump oil device 16 is fixed on the bottom of device；The air filter 4 is by air filter spacer member 2, sky
Filter first passage 1 and air filter second channel 3 are formed, and channel segmentation is the He of air filter first passage 1 by air filter spacer member 2
Air filter second channel 3.
Further, carburetor 7 described in the utility model is single hole rotary valve type carburetor, and rotary valve 5 has two passages.
Further, air filter 4 described in the utility model has two passages, and separator is extended in carburetor 7.
Further, air inlet pipe 9 described in the utility model has two passages, and separator is extended in carburetor 7.
Further, sealing ring is provided with the passage of air filter 4 described in the utility model, ensures the stabilization of air-flow.
Operation principle of the present utility model is：After engine starts, during throttle wide, rotary valve 5 is rotated, and spindle 6 is lifted
Gao Shi, engine interior forms negative pressure, in the presence of atmospheric pressure, air filter first passage 1 and rotary valve first passage 13 and
Air inlet pipe first passage 12 formed mixed gas passage inner high speed flowing air by fuel oil suctioned out from atomizer 14 and by its
Rapid atomization, forms combustion mixture, and the blended gas passage of this gaseous mixture is inhaled into engine, at the same ozone from
The air duct that air filter second channel 3, rotary valve second channel 8 and air inlet pipe second channel 10 form enters in engine,
In scavenging process, cleaned using ozone and formation layering between waste gas and unburned gaseous mixture is produced in burning, finally
Purpose makes the non-burning mixt of discharge minimum.When throttle idling, rotary valve 5 is in extreme lower position, and rotary valve first passage 13 is basic
It is closed, it is ensured that engine idling is more stable, and acceleration is more preferable
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of gas handling system for layered scavenging two-stroke engine, including mixed gas passage, air duct, single hole rotary valve
Formula carburetor and air filter, it is characterised in that：The mixed gas passage is by the rotary valve first of air filter first passage, carburetor
Passage and air inlet pipe first passage composition, one end of air filter first passage is fixed on carburetor and and rotary valve first passage
One end is docking together, and the other end of rotary valve first passage is connected with air inlet pipe first passage；The air duct is by air filter
Device second channel, the rotary valve second channel of carburetor and air inlet pipe second channel composition, one end of air filter second channel is fixed
It is docking together on carburetor and with one end of rotary valve second channel, the other end and air inlet second channel of rotary valve second channel
Connection；The single hole rotary valve type carburetor is made up of rotary valve, carburetor body, spindle, atomizer, pump oil device, carburetor sheet
Rotary valve is installed, rotary valve internal base is provided with spindle, is close to spindle and is provided with atomizer, pump oil device is fixed on device on body
Bottom；The air filter is made up of air filter spacer member, air filter first passage and air filter second channel, air filter dividing plate
Channel segmentation is air filter first passage and air filter second channel by part.
2. it is used for the gas handling system of layered scavenging two-stroke engine according to claim 1, it is characterised in that：The rotary valve
With two passages.
3. it is used for the gas handling system of layered scavenging two-stroke engine according to claim 1, it is characterised in that：The air filter
Device has two passages, and separator is extended in carburetor.
4. it is used for the gas handling system of layered scavenging two-stroke engine according to claim 1, it is characterised in that：The air inlet
Pipe has two passages, and separator is extended in carburetor.
5. it is used for the gas handling system of layered scavenging two-stroke engine according to claim 1, it is characterised in that：The air filter
Sealing ring is provided with device passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338462.3U CN207212538U (en) | 2017-04-01 | 2017-04-01 | A kind of gas handling system for layered scavenging two-stroke engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720338462.3U CN207212538U (en) | 2017-04-01 | 2017-04-01 | A kind of gas handling system for layered scavenging two-stroke engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212538U true CN207212538U (en) | 2018-04-10 |
Family
ID=61810527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720338462.3U Expired - Fee Related CN207212538U (en) | 2017-04-01 | 2017-04-01 | A kind of gas handling system for layered scavenging two-stroke engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212538U (en) |
-
2017
- 2017-04-01 CN CN201720338462.3U patent/CN207212538U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |