CN104314682A - Two-stroke stratified scavenging gasoline engine - Google Patents
Two-stroke stratified scavenging gasoline engine Download PDFInfo
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- CN104314682A CN104314682A CN201410443267.8A CN201410443267A CN104314682A CN 104314682 A CN104314682 A CN 104314682A CN 201410443267 A CN201410443267 A CN 201410443267A CN 104314682 A CN104314682 A CN 104314682A
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- air
- scavenging
- mixed gas
- cylinder body
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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 invention discloses a two-stroke stratified scavenging gasoline engine which comprises a cylinder body, a crankcase, an air inlet pipe and a carburetor, wherein an air inlet, an exhaust opening, secondary scavenging channels and an air storage chamber are arranged on the cylinder body; the secondary scavenging channels are connected with the air storage chamber; a scavenging opening is formed above each secondary scavenging channel in the air storage chamber; two main scavenging channels are respectively connected to two sides of the cylinder body; an air channel is arranged above the air inlet and is directly connected with an air flowing groove in each main scavenging channel; each air channel is connected with the air storage chamber; the two secondary scavenging channels are symmetric about the center of the cylinder body. Due to the adoption of a scavenging mode of placing air at the front side and placing the mixed gas at the rear side, the contents of harmful components in tail gas can be effectively reduced, the discharge of pollutants is greatly improved, the fuel consumption rate of the engine is effectively reduced, and the fuel economy is improved.
Description
Technical field
the present invention relates to technical field of engines, especially a kind of two-stroke layered-scavenging petrol engine.
Background technique
now widely used two-stroke gasoline engine also exists blemish in an otherwise perfect thing, and its fuel consumption is high, and particularly exhaust emission is serious, does not meet relevant laws and regulations.Layered scavenging two-stroke gasoline engine has low, the fuel-efficient feature of discharge, is subject to the favor of consumers in general, but there is the complicated structure of its gas handling system, particularly Carburetor, poor reliability, and the shortcoming that price of complete machine is higher; A kind of structure is needed badly simple, two-stroke layered-scavenging petrol engine economical and practical again in prior art.
prior art can not meet the needs of people, and for making up prior art deficiency, the present invention aims to provide the little small two-stroke layered-scavenging engine of a kind of burning waste gas environmental pollution that is more abundant, that discharge.
for achieving the above object, the present invention is by the following technical solutions: a kind of two-stroke layered-scavenging petrol engine, comprises air filter, Carburetor, suction tude, leaf valve combination, cylinder body, spark plug, piston, crankcase combination, baffler, air passageways, mixed gas inlet, air air storing cavity, scavenging port, scavenging air belt, relief opening, plunger, circular gas-entered passageway, the first air passageways, the first mixed gas passage, spindle, nozzle, the first horizontal baffle, the second horizontal baffle, the second air passageways and the second mixed gas passage; The A face of described Carburetor is connected with air filter, B face is connected with suction tude, and the first horizontal baffle is connected with the second horizontal baffle, the first air passageways is connected with the second air passageways simultaneously, and the first mixed gas passage is connected with the second mixed gas passage; Described suction tude opposite side is connected with cylinder body by leaf valve combination; During normal working of engine air inlet, described second air passageways, the second mixed gas passage are connected with air passageways, mixed gas inlet respectively; Described cylinder body is provided with respectively relief opening, scavenging port, scavenging air belt, mixed gas inlet and air air storing cavity.
further, described cylinder body is respectively arranged with relief opening, scavenging port, scavenging air belt, mixed gas inlet and air air storing cavity; And by air passageways that air air storing cavity is connected with scavenging port; Relief opening is arranged on the opposite of suction port, and scavenging port and scavenging air belt are arranged on the neutral position of relief opening and suction port, can open or close gas port when piston up-down at reasonable time.
compared with prior art, the invention has the beneficial effects as follows: this two-stroke layered-scavenging petrol engine, by this air front, the posterior scavenging mode of mixed gas, the content of harmful components in tail gas can be effectively reduced, substantially improve the discharge of pollutant, and effectively reduce the fuel consumption rate of motor, improve fuel economy;
compact overall structure, simple to operate, versatility is extremely strong, is easy to promote the use of.
Summary of the invention
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is the schematic diagram of this practical cylinder body;
fig. 3 is the schematic diagram of this practical Carburetor;
fig. 4 is the schematic diagram of this practical suction tude;
wherein: 1, air filter, 2, Carburetor, 3, suction tude, 4, leaf valve combines, 5, cylinder body, 6, spark plug, 7, piston, 8, crankcase combination, 9, baffler, 10, air passageways, 11, mixed gas inlet, 12, air air storing cavity, 13, scavenging port, 14, scavenging air belt, 15, relief opening, 16, plunger, 17, circular gas-entered passageway, 18, first air passageways, 19, first mixed gas passage, 20, spindle, 21, nozzle, 22, first horizontal baffle, 23, second horizontal baffle, 24, second air passageways, 25, second mixed gas passage.
Embodiment
below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
refer to Fig. 1 ~ 4, in the embodiment of the present invention, a kind of two-stroke layered-scavenging petrol engine, comprise air filter 1, Carburetor 2, suction tude 3, leaf valve combination 4, cylinder body 5, spark plug 6, piston 7, crankcase combination 8, baffler 9, air passageways 10, mixed gas inlet 11, air air storing cavity 12, scavenging port 13, scavenging air belt 14, relief opening 15, plunger 16, circular gas-entered passageway 17, first air passageways 18, first mixed gas passage 19, spindle 20, nozzle 21, first horizontal baffle 22, second horizontal baffle 23, second air passageways 24 and the second mixed gas passage 25, the A face of described Carburetor 2 is connected with air filter 1, B face is connected with suction tude 3, and the first horizontal baffle 22 is connected with the second horizontal baffle 23, first air passageways 18 is connected with the second air passageways 24 simultaneously, and the first mixed gas passage 19 is connected with the second mixed gas passage 25, described suction tude 3 opposite side is connected with cylinder body 5 by leaf valve combination 4, during normal working of engine air inlet, described second air passageways 24, second mixed gas passage 25 is connected with air passageways 10, mixed gas inlet 11 respectively, described cylinder body 5 is respectively arranged with relief opening 15, scavenging port 13, scavenging air belt 14, mixed gas inlet 11 and air air storing cavity 12.
further, described cylinder body 5 is respectively arranged with relief opening 15, scavenging port 13, scavenging air belt 14, mixed gas inlet 11 and air air storing cavity 12; And by air passageways 10 that air air storing cavity 12 is connected with scavenging port 13; Relief opening 15 is arranged on the opposite of suction port 11, and scavenging port 13 and scavenging air belt 14 are arranged on the neutral position of relief opening 15 and suction port 11, can open or close gas port when piston 7 moves up and down at reasonable time.
two-stroke layered-scavenging engine working procedure of the present invention is as follows:
when by pulling the plunger 16 on throttle rope rotary carburetor 2 to be raised by spindle 20, in the up process of piston 7, compression cylinder 5 top mixed gas, crankcase combination 8 inside forms negative pressure simultaneously, under the effect of atmospheric pressure, first mixed gas passage 19 inner high speed flowing air by fuel oil from oil nozzle 21 sucking-off and by its rapid atomization, form inflammable mixture, this mixed gas is through the second mixed gas passage 25, mixed gas inlet 11 is inhaled in crankcase, pure air is from the first air passageways 18 simultaneously, second air passageways 24 and leaf valve combination 4 to enter on cylinder body in air air storing cavity 12, store wherein, and entered near cylinder body scavenging port 13 by the air passageways 10 be communicated with scavenging air belt 14.After the mixed gas above piston 7 is lighted by spark plug 6, undergoes rapid expansion does work, promote piston 7 descending, mixed gas in compression crankcase 8, close mixed gas inlet 11 gradually simultaneously, when piston 7 is close to lower dead center, relief opening 15 is opened, portion is discharged to air from relief opening 15 through baffler 9, along with piston 7 is descending further, scavenging port 13 is opened, fresh air in air air storing cavity 12 is pressed in cylinder body 5 from scavenging port 13 through cylinder body scavenging air belt 14 by the inflammable mixture be compressed, now, fresh air is front, inflammable mixture is rear, scavenge flow sprays into cylinder body 5 internal face just right with relief opening 15 with certain scavenging angle from scavenging port 13 and carries out expeling waste gas, thus the waste gas after burning is discharged from relief opening, achieve the work overall process of layered scavenging.
to those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any reference character in claim should be considered as the claim involved by limiting.
the above; be only preferred embodiment of the present invention; not in order to limit the present invention, every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalently replace and improve, within the protection domain that all should be included in technical solution of the present invention.
Claims (2)
1.
a kind of two-stroke layered-scavenging petrol engine, comprise air filter (1), Carburetor (2), suction tude (3), leaf valve combination (4), cylinder body (5), spark plug (6), piston (7), crankcase combination (8), baffler (9), air passageways (10), mixed gas inlet (11), air air storing cavity (12), scavenging port (13), scavenging air belt (14), relief opening (15), plunger (16), circular gas-entered passageway (17), first air passageways (18), first mixed gas passage (19), spindle (20), nozzle (21), first horizontal baffle (22), second horizontal baffle (23) and air passageways, it is characterized in that: the A face of described Carburetor (2) is connected with air filter (1), B face is connected with suction tude (3), described first horizontal baffle (22) is connected with the second horizontal baffle (23), first air passageways (18) is connected with the second air passageways (24) simultaneously, and the first mixed gas passage (19) is connected with the second mixed gas passage (25), described suction tude (3) opposite side is connected with cylinder body (5) by leaf valve combination (4), during normal working of engine air inlet, described second air passageways (24), the second mixed gas passage (25) are connected with air passageways (10), mixed gas inlet (11) respectively.
2.
a kind of two-stroke layered-scavenging petrol engine according to claim 1, is characterized in that: the air passageways (10) described cylinder body (5) being respectively arranged with relief opening (15), scavenging port (13), scavenging air belt (14), mixed gas inlet (11) and air air storing cavity (12) and being connected with scavenging port (13) by air air storing cavity (12); Described relief opening (15) is arranged on the opposite of suction port (11), and scavenging port (13) and scavenging air belt (14) are arranged on the neutral position of relief opening (15) and suction port (11), open or close gas port when piston (7) moves up and down at reasonable time.
Priority Applications (1)
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CN201410443267.8A CN104314682A (en) | 2014-09-03 | 2014-09-03 | Two-stroke stratified scavenging gasoline engine |
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CN201410443267.8A CN104314682A (en) | 2014-09-03 | 2014-09-03 | Two-stroke stratified scavenging gasoline engine |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108571405A (en) * | 2017-03-13 | 2018-09-25 | 王廷高 | A kind of two-stroke air conduction engine aspirating system |
CN113107663A (en) * | 2021-05-08 | 2021-07-13 | 永康市茂金园林机械有限公司 | Air inlet pipe of layered scavenging two-stroke engine |
WO2022236480A1 (en) * | 2021-05-08 | 2022-11-17 | 永康市茂金园林机械有限公司 | Cylinder piston unit for layered scavenging two-stroke engine |
WO2022236478A1 (en) * | 2021-05-08 | 2022-11-17 | 永康市茂金园林机械有限公司 | Stratified scavenging two-stroke engine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5586523A (en) * | 1993-03-31 | 1996-12-24 | Mitsubishi Jukogyo Kabushiki Kaisha | Crankcase compression type two-cycle engine |
EP0997621A1 (en) * | 1998-10-30 | 2000-05-03 | Komatsu Zenoah Co. | Stratified scavenging two-cycle engine |
US20080098992A1 (en) * | 2006-10-27 | 2008-05-01 | Kioritz Corporation | Two-Stroke Internal Combustion Engine |
CN102322333A (en) * | 2011-08-26 | 2012-01-18 | 山东华盛农业药械有限责任公司 | Two-stroke layered-scavenging engine |
CN203022871U (en) * | 2013-01-28 | 2013-06-26 | 临沂三禾永佳动力有限公司 | Two-stroke stratified scavenging engine |
-
2014
- 2014-09-03 CN CN201410443267.8A patent/CN104314682A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5586523A (en) * | 1993-03-31 | 1996-12-24 | Mitsubishi Jukogyo Kabushiki Kaisha | Crankcase compression type two-cycle engine |
EP0997621A1 (en) * | 1998-10-30 | 2000-05-03 | Komatsu Zenoah Co. | Stratified scavenging two-cycle engine |
US20080098992A1 (en) * | 2006-10-27 | 2008-05-01 | Kioritz Corporation | Two-Stroke Internal Combustion Engine |
CN102322333A (en) * | 2011-08-26 | 2012-01-18 | 山东华盛农业药械有限责任公司 | Two-stroke layered-scavenging engine |
CN203022871U (en) * | 2013-01-28 | 2013-06-26 | 临沂三禾永佳动力有限公司 | Two-stroke stratified scavenging engine |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108571405A (en) * | 2017-03-13 | 2018-09-25 | 王廷高 | A kind of two-stroke air conduction engine aspirating system |
CN108571405B (en) * | 2017-03-13 | 2024-02-13 | 临沂市铸信机械有限公司 | Two-stroke air guide type engine air inlet system |
CN113107663A (en) * | 2021-05-08 | 2021-07-13 | 永康市茂金园林机械有限公司 | Air inlet pipe of layered scavenging two-stroke engine |
WO2022236480A1 (en) * | 2021-05-08 | 2022-11-17 | 永康市茂金园林机械有限公司 | Cylinder piston unit for layered scavenging two-stroke engine |
WO2022236478A1 (en) * | 2021-05-08 | 2022-11-17 | 永康市茂金园林机械有限公司 | Stratified scavenging two-stroke engine |
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Effective date of registration: 20170116 Address after: 321000 Zhejiang Province, Jinhua City Jiangdong Industrial Zone Gold Road No. 988 Applicant after: Zhejiang Baima Industrial Co., Ltd. Address before: Songjiang District Sijing town high tech road 201601 Shanghai City No. 226 building 10 layer 1-2 Applicant before: Shanghai Shanke Garden Tools Co., Ltd. |
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Application publication date: 20150128 |