CN201280970Y - Gclosed type general purpose petrol engine - Google Patents
Gclosed type general purpose petrol engine Download PDFInfo
- Publication number
- CN201280970Y CN201280970Y CNU2008201002663U CN200820100266U CN201280970Y CN 201280970 Y CN201280970 Y CN 201280970Y CN U2008201002663 U CNU2008201002663 U CN U2008201002663U CN 200820100266 U CN200820100266 U CN 200820100266U CN 201280970 Y CN201280970 Y CN 201280970Y
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- CN
- China
- Prior art keywords
- air
- impeller
- guide sleeve
- cylinder head
- ventilating fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a close type general gasoline engine, and a protecting crust is arranged at the circumstance of an engine frame; a crankcase and a crankcase cover are respectively extended at the left and right ends of an engine crankshaft, one extending end of a crankshaft is connected with a rotor of an electrical machine, and a flywheel is fixedly connected on the rotor of the electrical machine along the circumferential direction, an impeller for extracting air is arranged on the flywheel, and an impeller hood is arranged between a stator of the electrical machine and an engine, and the impeller for extracting air is arranged in the impeller hood; an air guide sleeve is arranged at the position close to the cylinder head of the engine for forming air channel between the air guide sleeve and the cylinder head; a fan is arranged at the other extending end of the crankshaft an is arranged nearby the downstream of the air channel, shutters are respectively arranged on the protecting crust arranged at one side of the motor and the protecting crust arranged at one side of the fan, a vertical clapboard arranged in the space at the outer part of the impeller hood divides the gasoline engine into a cold area and a warm area, thus improving the safety protection performance of the general gasoline engine and improving the heat dispersion performance when the gasoline engine works.
Description
Technical field
The utility model relates to the general gasoline engines field, particularly a kind of closed general gasoline engines.
Background technique
Existing general gasoline engines is generally unenclosed construction, and motor, generator promptly are installed on the frame of petrol engine, and fuel tank is installed on the top of frame, and protecting crust is not installed on the frame, and motor, generator expose in frame.The general gasoline engines of the unenclosed construction that this motor, generator are exposed, be the heat that produces when making general gasoline engines work can to around distribute, allow motor, generator proper functioning.But there are some unsafe factors again in the general gasoline engines of this unenclosed construction because of motor, generator are exposed, damages for easily the personnel that are unfamiliar with gasoline engine performance; And the exposed dust stratification dirt easily again of motor, generator, cause, in case be not easy to remove clean behind the dust stratification dirt again, influence the performance of general gasoline engines thus.Safety protection performance when using in order to improve general gasoline engines; keep the clean of motor, generator simultaneously; if protective housing is installed around frame can be played safety protection and keep clean effect; but; in case after installing protective housing; the heat radiation of general gasoline engines will be received and be had a strong impact on; the heat accumulation that produces when motor, generator work can not leave in protective housing; to cause the temperature of petrol engine sharply to raise like this; cause engine power to descend, can only shut down cooling when serious.Even venetian blind is set on protective housing, also can not give out very soon, and can collect more and more because of the draught head inside and outside the protective housing causes the hot gas in the protective housing, hinder the exchange of cold and hot air.How to solve the Security of general gasoline engines and the contradictory problems of thermal diffusivity, never find effective scheme before this.
Summary of the invention
The purpose of this utility model is the deficiency that exists at prior art, and a kind of closed general gasoline engines is provided, and it can improve the safety protection performance of general gasoline engines, the heat dispersion in the time of improving petrol engine work again.
The purpose of this utility model is achieved in that and comprises rack-mounted motor, motor, protecting crust is installed around the frame, the two ends, the left and right sides of described engine crankshaft are stretched out crankcase and crankcase cover respectively, one end of bent axle stretches out from crankcase body, its external part is connected with rotor, flywheel circumferentially is fixedly connected on the rotor, the impeller that is used for exhausting is installed on the flywheel, between the stator of motor and the motor impeller chimney is installed, the impeller that is used for exhausting is positioned at impeller chimney, in position air guide sleeve is set near engine cylinder head, make between air guide sleeve and the cylinder head and form air-flow path, the impeller chimney inner chamber is connected in the upstream of air-flow path, the other end of bent axle stretches out from crankcase cover, and its external part is installed ventilating fan, and ventilating fan is positioned near the downstream of air-flow path, the protecting crust that is positioned at motor one side is provided with venetian blind respectively with the protecting crust that is positioned at ventilating fan one side, and the dividing plate that the space of impeller chimney outside is provided with setting is separated into two different zones of cold and hot temperature with described petrol engine.
Owing to adopted such scheme, around frame, protecting crust is installed, make near the personnel of general gasoline engines can not touch motor and motor, improved the safety protection performance of petrol engine.Thermal diffusivity for general gasoline engines behind the solution installation protecting crust, the structure that employing makes the two ends, the left and right sides of engine crankshaft stretch out crankcase and crankcase cover respectively, the bent axle external part that stretches out from crankcase body is connected with rotor, flywheel circumferentially is fixedly connected on the rotor, the impeller that is used for exhausting is installed on the flywheel, drive rotor, the flywheel of motor by this bent axle thus and be used for the impeller rotation of exhausting, can make the machine operation generating, can be used in the impeller work cool air suction that protecting crust is outer of exhausting again, be used for cooling.Between motor stator and motor, impeller chimney is installed, the impeller that is used for exhausting is positioned at impeller chimney, air guide sleeve is set near engine cylinder head, make between air guide sleeve and the cylinder head and form air-flow path, the impeller chimney inner chamber is connected in the upstream of air-flow path, the cool air that so just makes the impeller suction is taken away the high heat that engine cylinder head distributes rapidly from the impeller chimney air-flow path of flowing through, and the temperature of cylinder head is reduced.From another external part of bent axle that crankcase cover stretches out ventilating fan is installed, ventilating fan is positioned near the downstream of air-flow path, drives the ventilating fan rotation by this bent axle, will discharge outside the protecting crust through the hot air that forms behind the air-flow path.Because the space of impeller chimney outside is provided with the dividing plate of setting described petrol engine is separated into two different zones of cold and hot temperature, and the protecting crust that is positioned at motor one side is provided with venetian blind respectively with the protecting crust that is positioned at ventilating fan one side, make again thus in the protecting crust of whole petrol engine and formed a big air-flow path, the cold-zone of air-flow path can provide sufficient cool air, the hot-zone of air communication can be discharged hot air rapidly, and the air flow of this brute force also can blow away the dust that enters in the protecting crust.The general gasoline engines of this structure has not only solved the safety protection and the dustproof problem of petrol engine, has also improved the radiating and cooling effect of petrol engine simultaneously because of its powerful air current flow.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is a cross-sectional view of the present utility model;
Fig. 2 is a top plan view of the present utility model;
Fig. 3 is ventilating fan one a side's of the present utility model sectional drawing.
In the accompanying drawing, 1 is motor, and 2 is frame, and 3 is motor stator, 4 is impeller chimney, and 5 is impeller, and 6 is rotor, and 7 is crankcase body, 8 is bent axle, and 9 is ventilating fan, and 10 is silencing apparatus, and 11 is cylinder head, 12 is last air guide sleeve, and 13 is Carburetor, and 14 is air-strainer, and 15 is flywheel, 16 is crankcase cover, and 17 is the ventilating fan protective housing, and 18 are following air guide sleeve, and 19 is muffler cover, 20 is dividing plate, and 21 is air-flow path, and 22 is the air intake venetian blind, and 23 are the air-out venetian blind.
Embodiment
Fig. 1 to Fig. 3 is a kind of embodiment of closed general gasoline engines, comprises the motor, the motor 1 that are installed on the frame 2, and protecting crust is installed around the frame 2.The two ends, the left and right sides of described engine crankshaft are stretched out crankcase and crankcase cover respectively, and wherein the bent axle left end stretches out from crankcase body 7, and its external part is circumferentially fixedlyed connected with rotor 6, adopt key connection or coupling to connect and can both realize circumferentially fixing.A flywheel 15 adopts conventional means of fixation such as key or pin circumferentially to be fixedly connected on the rotor 6.The impeller 5 that is used for exhausting is installed on flywheel 15, and impeller adopts rivet or screw circumferentially to fixedly connected with flywheel.Impeller chimney 4 is installed between motor stator 3 and the motor, and impeller chimney 4 is by being bolted on the motor stator 3, and the impeller 5 that is used for exhausting is positioned at impeller chimney 4.In position air guide sleeve is set near engine cylinder head 11, air guide sleeve comprises upper and lower air guide sleeve, last air guide sleeve 12 is positioned at the top of cylinder head 11, and following air guide sleeve 18 is positioned at cylinder head 11 belows, upper and lower air guide sleeve respectively by screw on the support that is provided with on the frame 2.Upper and lower air guide sleeve and cylinder head 11 are provided with and form air-flow path 21 between the position of radiating fin, and impeller chimney 4 inner chambers are connected in the upstream of air-flow path 21.Bent axle 8 right-hand members stretch out from crankcase cover 16, its external part is installed ventilating fan 9, ventilating fan 9 circumferentially is fixedly connected on the bent axle 8, ventilating fan 9 is positioned near the downstream of air-flow path 21, its next door is the silencing apparatus 10 of motor, is covered with muffler cover 19 on the silencing apparatus 10, and silencing apparatus 10 also is near the downstream of air-flow path 21, be positioned at cylinder head crankcase cover one side, silencing apparatus and cylinder head air guide sleeve are formed a passage.Be positioned at motor 1 one sides' protecting crust and be positioned on ventilating fan 9 one sides' the protecting crust venetian blind is set respectively, the venetian blind that is positioned at motor 1 one sides is for being air intake venetian blind 22, and the venetian blind that is positioned at ventilating fan 9 one sides is an air-out venetian blind 23.The dividing plate 20 that the space of described impeller chimney 4 outsides is provided with setting is separated into two different zones of cold and hot temperature with described petrol engine, is positioned at the cold-zone that motor 1 one sides enter for cold wind, and Carburetor 13, the air-strainer 14 of petrol engine all are arranged on the cold-zone scope; Be positioned at the hot-zone of motor one side for the motor distribute heat, the heat that motor distributes is discharged from the air-out venetian blind 23 of hot-zone under the effect of ventilating fan.The described protecting crust venetian blind 23 that is positioned at ventilating fan 9 one sides is provided with ventilating fan protective housing 17, and on frame 2, perhaps one-body molded in protecting crust venetian blind 23, ventilating fan 9 is arranged in ventilating fan protective housing 17 to this ventilating fan protective housing 17 by screw.Ventilating fan protective housing 17 is a fenestral fabric, is convenient to ventilate.
When this closed general gasoline engines was worked, bent axle drove impeller, the ventilating fan rotation that is used for exhausting, and the impeller rotation forms the exhausting eddy current, and the cool air outside the petrol engine protecting crust is entered from the air intake venetian blind, and approach motor, impeller chimney blow to motor.The cool air that enters absorbs the heat of cylinder head during the radiating fin of process cylinder head under the guiding of air guide sleeve, make the cylinder head cooling; And the absorption of flowing out from air-flow path the hot air flow of heat, under the effect of ventilating fan, blown out rapidly from the air-out venetian blind, take away the heat that petrol engine distributes thus, petrol engine is lowered the temperature; The air of process cylinder head radiating fin blows to silencing apparatus along the chamber of cylinder head air guide sleeve and silencing apparatus composition, the cooling silencing apparatus, and outside silencing apparatus, blow out from venetian blind, the air-flow of Hot air quilt silencing apparatus relief opening ejection drives and is discharged to outside the venetian blind around the silencing apparatus relief opening.Because closed general gasoline engines of the present utility model has formed a powerful air convection channel by the venetian blind of protecting crust, the impeller that is used for exhausting, ventilating fan, in cross-ventilated process rapidly take away the high heat that petrol engine when work produces, the cooling-down effect of petrol engine is improved.
Structure of the present utility model is applicable to various types of general gasoline engines, comprises the general gasoline engines with frequency conversion function.
Claims (4)
1. closed general gasoline engines, comprise rack-mounted motor, motor, it is characterized in that: protecting crust is installed around the frame, the two ends, the left and right sides of described engine crankshaft are stretched out crankcase and crankcase cover respectively, one end of bent axle stretches out from crankcase body, its external part is connected with rotor, flywheel circumferentially is fixedly connected on the rotor, the impeller that is used for exhausting is installed on the flywheel, between motor stator and the motor impeller chimney is installed, the impeller that is used for exhausting is positioned at impeller chimney, in position air guide sleeve is set near engine cylinder head, make between air guide sleeve and the cylinder head and form air-flow path, the impeller chimney inner chamber is connected in the upstream of air-flow path, the other end of bent axle stretches out from crankcase cover, its external part is installed ventilating fan, ventilating fan is positioned near the downstream of air-flow path, the protecting crust that is positioned at motor one side is provided with venetian blind respectively with the protecting crust that is positioned at ventilating fan one side, and the dividing plate that the space of impeller chimney outside is provided with setting is separated into two different zones of cold and hot temperature with described petrol engine.
2. closed general gasoline engines according to claim 1 is characterized in that: described air guide sleeve comprises upper and lower air guide sleeve, and last air guide sleeve is positioned at the top of cylinder head, and following air guide sleeve is positioned at the cylinder head below.
3. closed general gasoline engines according to claim 1 is characterized in that: the described protecting crust venetian blind that is positioned at ventilating fan one side is provided with the ventilating fan protective housing, and ventilating fan is arranged in the ventilating fan protective housing.
4. according to the closed general gasoline engines under the claim 1, it is characterized in that: described silencing apparatus is positioned at cylinder head crankcase cover one side, and silencing apparatus and cylinder head air guide sleeve are formed a passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201002663U CN201280970Y (en) | 2008-10-16 | 2008-10-16 | Gclosed type general purpose petrol engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201002663U CN201280970Y (en) | 2008-10-16 | 2008-10-16 | Gclosed type general purpose petrol engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201280970Y true CN201280970Y (en) | 2009-07-29 |
Family
ID=40927844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201002663U Expired - Fee Related CN201280970Y (en) | 2008-10-16 | 2008-10-16 | Gclosed type general purpose petrol engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201280970Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422274A (en) * | 2014-09-18 | 2016-03-23 | 苏州金鼎机械制造有限公司 | Silent type generator set |
-
2008
- 2008-10-16 CN CNU2008201002663U patent/CN201280970Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422274A (en) * | 2014-09-18 | 2016-03-23 | 苏州金鼎机械制造有限公司 | Silent type generator set |
| CN105422274B (en) * | 2014-09-18 | 2018-06-26 | 苏州金鼎机械制造有限公司 | Squelch type generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LONCIN GENERAL DYNAMICS CO., LTD. Free format text: FORMER NAME: LONCIN INDUSTRY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 99 No. 400052 Chongqing Jiulongpo Hualong Avenue Kowloon Park Patentee after: Loncin General Dynamics Co., Ltd. Address before: 99 No. 400052 Chongqing Jiulongpo Hualong Avenue Kowloon Park Patentee before: Loncin Industry Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20121016 |