CN207526578U - The two-cycle gasoline box body of throttling emission reduction and the gasoline engine for being equipped with the babinet - Google Patents
The two-cycle gasoline box body of throttling emission reduction and the gasoline engine for being equipped with the babinet Download PDFInfo
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- CN207526578U CN207526578U CN201721712220.2U CN201721712220U CN207526578U CN 207526578 U CN207526578 U CN 207526578U CN 201721712220 U CN201721712220 U CN 201721712220U CN 207526578 U CN207526578 U CN 207526578U
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- Prior art keywords
- crankcase
- cylinder body
- throttling
- emission reduction
- gasoline engine
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- 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
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a kind of two-stroke gasoline engines for the emission reduction that throttles, belong to gasoline engine field, for the energy-saving and emission-reduction of gasoline engine, it includes at least crankcase and cylinder body, cylinder body is installed on crankcase, partition board is provided at the link position of the cylinder body and crankcase, throttling passage symmetrically or non-symmetrically is provided on partition board, the throttling passage is located at the lower section of the scavenging air belt of cylinder body.In view of above-mentioned technical proposal, the utility model can realize that two-stroke gasoline engine for being controlled by the mixed gas inlet of scavenging air belt, improves the burning degree of mixed gas in cylinder combustion room, reduces the generation of exhaust gas, reduce the oil consumption of two-stroke gasoline engine.
Description
Technical field
The utility model belongs to gasoline engine field, specifically, more particularly to a kind of two-stroke gasoline engine for the emission reduction that throttles
Babinet and the gasoline engine for being equipped with the babinet.
Background technology
Two-stroke gasoline engine in particular for the small two stroke gasoline of gardens operation, has compact-sized, volume
Many remarkable advantages such as small, light weight, operating speed-raising be fast are widely used in many products such as agricultural, forestry, gardening, family
Field.What it mainly included is crankcase and cylinder body, and piston and crankshaft connecting rod system are equipped in the inside of crankcase and cylinder body,
It can be under the action of crankshaft connecting rod system so that piston pumps in the internal body that cylinder body is formed with crankcase.By
It is mostly directly attached in the cylinder interior scavenging air belt of two-stroke gasoline engine with the combustion chamber at top, due to being unable to control piston
Enter the mixed gas air inflow and intake velocity of combustion chamber during downlink by scavenging air belt, therefore in a combustion chamber after burning
It may cause to burn insufficient because of air inflow is excessive, generate more exhaust gas and high oil consumption.
Invention content
The purpose of this utility model is to provide it is a kind of throttle emission reduction two-cycle gasoline box body and the babinet is installed
Gasoline engine, can realize two-stroke gasoline engine for being controlled by the mixed gas inlet of scavenging air belt, improve gas
The burning degree of mixed gas in cylinder combustion chamber, reduces the generation of exhaust gas, reduces the oil consumption of two-stroke gasoline engine.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions：
The two-cycle gasoline box body of throttling emission reduction described in the utility model, including at least crankcase and cylinder body, cylinder
Body is installed on crankcase, and the interior periphery at the link position of the cylinder body and crankcase is provided with partition board, is provided on partition board
Throttling passage symmetrically or non-symmetrically, the throttling passage are located at the lower section of the scavenging air belt of cylinder body.
Further speaking, the crankcase described in the utility model includes first half crankcase and later half crankcase.
Further speaking, the throttling passage described in the utility model be symmetrical arranged or the polygon of asymmetric setting or
The hatch frame that curve is formed.
Further speaking, the quantity of the throttling passage described in the utility model is at least 2.
Further speaking, the quantity of the throttling passage described in the utility model is 4.
A kind of gasoline engine for the two-cycle gasoline box body for being equipped with above-mentioned throttling emission reduction.
Compared with prior art, the beneficial effects of the utility model are：
The utility model can be realized and mixed gas is entered by the throttling passage being set between cylinder body and crankcase
The flow and flow rate of combustion chamber is controlled, and improves the burning degree of mixed gas in combustion chamber, reduces the discharge capacity of exhaust gas, drop
The oil consumption of low two-stroke gasoline engine improves the working efficiency of two-stroke gasoline engine.
Description of the drawings
Fig. 1 is the position of throttling passage and structure diagram in the utility model.
Fig. 2 is the position of throttling passage and structure diagram in the utility model.
Fig. 3 is cylinder body and crankcase, the structure diagram of throttling passage in the utility model.
In figure：1st, throttling passage；2nd, first half crankcase；3rd, later half crankcase；4th, cylinder body；5th, scavenging air belt；6th, crankcase；7、
Partition board.
Specific embodiment
Technical solution described herein is described further with reference to the accompanying drawings and embodiments.
Embodiment 1：A kind of two-cycle gasoline box body for the emission reduction that throttles, including at least crankcase 6 and cylinder body 4, cylinder body 4 is pacified
Loaded on crankcase 6, partition board 7 is provided at the cylinder body 4 and the link position of crankcase 6, is provided on partition board 7 symmetrical or non-right
The throttling passage 1 of title, the throttling passage 1 are located at the lower section of the scavenging air belt 5 of cylinder body 4.
Embodiment 2：A kind of two-cycle gasoline box body for the emission reduction that throttles, wherein the throttling passage 1 is symmetrically arranged
Four rectangular aperture structures.The structure and connection relation of rest part and the structure described in any previous embodiment and it connect pass
It is identical.
Embodiment 3：A kind of two-cycle gasoline box body for the emission reduction that throttles, wherein the throttling passage 1 is asymmetric setting
Four rectangular aperture structures, the structure and connection relation of rest part and the structure described in any previous embodiment and connect
Relationship is identical.
Embodiment 4：A kind of gasoline engine for the two-cycle gasoline box body for being equipped with throttling emission reduction, the gasoline engine at least wrap
Cylinder body 4 and the crankcase 6 being connect with cylinder body 4 are included, piston is installed in the inside of cylinder body 4 and crankcase 6 and pushes piston motion
Crankshaft connecting rod system.It is combustion chamber at the top of cylinder body 4, is machined in the inside of cylinder body 4 and is connect with combustion chamber and crankcase 6
Scavenging air belt 5, be machined with partition board 7 in the interior periphery of cylinder body 4 and 6 link position of crankcase, throttling passage be machined on partition board 7
1, throttling passage 1 is between scavenging air belt 5 and crankcase 6.The structure and connection relation of rest part and any previous embodiment
Described in structure and connection relation it is identical.
In view of above-described embodiment, when in use, the course of work and principle are as follows by the application：
The two-cycle gasoline box body of throttling emission reduction described in the utility model, includes at least cylinder body 4, cylinder body 4
Scavenging air belt 5 is internally provided with, scavenging air belt 5 is connect with the combustion chamber at top；The cylinder body 4 is connect with crankcase 6, and crankcase 6 wraps
First half crankcase 2 and later half crankcase 3 are included, partition board 7, the middle part of partition board 7 are machined in the connecting portion of crankcase 6 and cylinder body 4
For the piston channel identical with cylinder body 4 and 6 structure of crankcase, partition board 7 is machined with symmetrical or non-at the both sides position of piston channel
Symmetrical throttling passage 1.The throttling passage 1 is polygon（The line segment of three or three or more is formed）Or curvilinear structures are formed
Hatch frame, the part form structure can clearly determine area of section, so as to ensure through 1 section of the throttling passage
Mixed gas air inflow and intake velocity.
The gasoline engine of the two-cycle gasoline box body for being equipped with above-mentioned throttling emission reduction described in the utility model, above-mentioned
The inside of body structure is also equipped with piston and drives the crankshaft connecting rod system of piston up-down.Gasoline engine passes through crankshaft-link rod
The piston up-down that is attached thereto of mechanism drive, the mixed gas inside compression crankcase 6 enter the burning at the top of cylinder body 4
Room is burnt, and is coordinated by being located at crankcase 6 and the throttling passage 1 of 4 connecting portion of cylinder body come the movement travel with piston 4,
Realize that mixed gas enters the gas flow and flow velocity of top combustion chamber.
For being equipped with the gasoline engine of above-mentioned body structure, the principle of the throttling emission reduction described in the utility model is：
When the whole interior piston that cylinder body 4 and crankcase 6 are formed starts downlink, pass through the mixed gas inside compression crankcase 6, piston
It continues traveling downwardly to the position of scavenging air belt 5,5 air inlet open of scavenging air belt on cylinder body 4, being mixed by compression inside crankcase 6
Gas is entered by least two throttling passages 1 symmetrically or non-symmetrically set on partition board 7 in scavenging air belt 5, due to can be true
The speed that 1 cross-sectional area size of throttling passage and piston in determine dividing plate 7 move downward, therefore can determine that mixed gas passes through
The mixed gas air inflow and intake velocity of the cross-sectional area.For compressing the quantitative mixed gas into scavenging air belt 5, by sweeping
Air flue 5 is entered positioned at the combustion chamber at the top of cylinder body 4, is adequately burnt in the combustion chamber, avoid because mixed gas into
Enter amount it is excessive caused by burning insufficient, oil consumption increase the problems such as.
Claims (6)
1. a kind of two-cycle gasoline box body for the emission reduction that throttles, including at least crankcase（6）And cylinder body（4）, cylinder body（4）It is installed on
Crankcase（6）On, it is characterised in that：The cylinder body（4）With crankcase（6）Link position at interior periphery be provided with partition board
（7）, partition board（7）On be provided with throttling passage symmetrically or non-symmetrically（1）, the throttling passage（1）Positioned at cylinder body（4）Scavenging air belt
（5）Lower section.
2. the two-cycle gasoline box body of throttling emission reduction according to claim 1, it is characterised in that：The crankcase（6）
Including first half crankcase（2）With later half crankcase（3）.
3. the two-cycle gasoline box body of throttling emission reduction according to claim 1, it is characterised in that：The throttling passage
（1）For the hatch frame being symmetrical arranged or the polygon of asymmetric setting or curve are formed.
4. the two-cycle gasoline box body of throttling emission reduction according to claim 3, it is characterised in that：The throttling passage
（1）Quantity be at least 2.
5. the two-cycle gasoline box body of throttling emission reduction according to claim 4, it is characterised in that：The throttling passage
（1）Quantity be 4.
6. a kind of two-stroke of throttling emission reduction being equipped in claim 1 to claim 5 described in any one claim
The gasoline engine of gasoline box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712220.2U CN207526578U (en) | 2017-12-11 | 2017-12-11 | The two-cycle gasoline box body of throttling emission reduction and the gasoline engine for being equipped with the babinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712220.2U CN207526578U (en) | 2017-12-11 | 2017-12-11 | The two-cycle gasoline box body of throttling emission reduction and the gasoline engine for being equipped with the babinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526578U true CN207526578U (en) | 2018-06-22 |
Family
ID=62578397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721712220.2U Active CN207526578U (en) | 2017-12-11 | 2017-12-11 | The two-cycle gasoline box body of throttling emission reduction and the gasoline engine for being equipped with the babinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526578U (en) |
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2017
- 2017-12-11 CN CN201721712220.2U patent/CN207526578U/en active Active
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