CN201202529Y - Engine electric generator - Google Patents
Engine electric generator Download PDFInfo
- Publication number
- CN201202529Y CN201202529Y CNU2008200983807U CN200820098380U CN201202529Y CN 201202529 Y CN201202529 Y CN 201202529Y CN U2008200983807 U CNU2008200983807 U CN U2008200983807U CN 200820098380 U CN200820098380 U CN 200820098380U CN 201202529 Y CN201202529 Y CN 201202529Y
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- China
- Prior art keywords
- generator
- engine
- starter
- flywheel
- axial bore
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- 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 - Lifetime
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
An engine generator is provided with an engine, a generator and a starter (6) for starting the engine; the engine and the starter are arranged outside an engine crankcase (12) and are coaxially located at the same side in the axial direction of a crankshaft (5); a flywheel (4) is arranged on the engine crankshaft (5) and at the end extended out of the crankcase (12); the generator is arranged between the starter (6) and the flywheel (4); the generator is an inner rotor structure; a generator rotor (1) is supported on a rotor shaft (2) which is detachably connected with the flywheel (4); an axial hole (9) is arranged on an iron core of the generator rotor (1); and the axial hole (9) is corresponding to the location of a pawl (10) which is arranged on the starter (6) and can make axial displacement. The utility model is compact in structure and more convenient to install, which enables the axial size of the engine crankshaft to be greatly shortened and simplifies the structure.
Description
Technical field
The utility model relates to generator, relates in particular to a kind of generator of doing driving with motor.
Background technique
The rotor of available engine generator is installed in the end that engine crankshaft stretches out crankcase usually, and rotor is directly or indirectly by crank-driven.Be positioned at outermost and coaxial with bent axle in order to the hand pulling starter of piloting engine, the ratchet of hand pulling starter drives the bent axle rotation by the startup cup that is installed in crankshaft end during starting.Generator for the different structure form, it is in the mounting type difference of crankshaft end, common mainly contains two kinds, a kind of is the equipped big generator of common winding type, as shown in Figure 1, because the generator volume is very big, starter 13, flywheel 14, fan 15 and startup cup 16 are positioned at bent axle 17 1 ends, generator then is arranged separately in the other end (not drawing among the figure) of bent axle 17, and bent axle 17 stretches out the part of crankcase 18 and need do very longly, makes whole generator of engine axial dimension bigger than normal; Another kind is equipped permanent magnet generator, as shown in Figure 2, the generator 19 of this structure is an outer-rotor structure, volume is less, rotor is the double as flywheel also, fan 20 and startup cup 21 are directly installed on the rotor, though stretching out that segment length of crankcase 23, shortened by its bent axle 22 of the generator of engine of this structure, but because generator amature is directly installed on the bent axle, add and be assembled with fan on the rotor, start parts such as cup, complex structure exists poor reliability and the inconvenient problem of assembling.
The model utility content
Problem to be solved in the utility model provides a kind of compact structure, and is easy for installation, and the short generator of engine of the axial dimension of bent axle.
For solving the problems of the technologies described above, the generator of engine that the utility model provides, comprise motor, generator and the starter that is used to pilot engine, generator and starter are arranged on the outer and coaxial the same side that is positioned at the bent axle axial direction of engine crankcase, the end that engine crankshaft stretches out in crankcase is equipped with flywheel, generator is between starter and flywheel, and generator is an inner rotor core, and generator amature is supported on the rotor shaft that detachably links to each other with flywheel; The iron core of generator amature is provided with axial bore, and this axial bore is corresponding with axially displaceable detent positions on the starter.
In the utility model, generator amature is arranged separately on the axle, and the end that bent axle stretches out crankcase only is used for installing flywheel assembly, thus bent axle stretch out crankcase body that part ofly do not need very longly, the whole length of bent axle is shortened greatly.Generator amature links to each other with flywheel after being assemblied on the rotor shaft separately again, assembles more convenient.Flywheel, starter and generator are installed in the same end of engine crankshaft, make the compact structure of whole generator of engine.
Axial bore on the above-mentioned generator rotor core has at least two and be circumferentially evenly and distribute, and the end by starter in the axial bore is equipped with guide sleeve.The thickness of generator amature and stator is little, and the axial space that takies general gasoline engines is little, and the generator amature double as starts cup, has saved to be used for the startup cup of the power of transmitting between starter and the bent axle separately, and structure is simplified.When piloting engine, the pawl axis on the starter drives the rotor running in the axial bore that stretches into generator amature, and generator amature drives flywheel again and bent axle rotates, thereby pilots engine.
The technique effect that the utility model is obtained is: compact structure, install more conveniently, and and the axial dimension of engine crankshaft is shortened greatly, simplify the structure.
Description of drawings
Fig. 1 is the generator of engine partial structurtes schematic representation of the existing equipped big generator of common winding type.
Fig. 2 is the generator of engine partial structurtes schematic representation of existing equipped permanent magnet generator.
Fig. 3 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 3, a kind of generator of engine, generator is an inner rotor core, the starter that has motor, generator and be used to pilot engine, generator and starter are arranged on the outer and coaxial the same side that is positioned at the bent axle axial direction of engine crankcase, and the end that engine crankshaft stretches out in crankcase is equipped with flywheel, and generator is between starter and flywheel, generator is an inner rotor core, and generator amature 1 is supported on the rotor shaft 2 that detachably links to each other with flywheel 4; The iron core of generator amature 1 is provided with axial bore 9, and this axial bore 9 is corresponding with axially displaceable ratchet 10 positions on the starter 6.
Because generator amature 1 is arranged separately on the axle, the end that bent axle 5 stretches out crankcase 12 only is used for installing flywheel assembly, thus bent axle 5 stretch out crankcase 12 that part ofly do not need very longly, the whole length of bent axle 5 is shortened greatly.Generator amature 1 links to each other with flywheel 4 after being assemblied on the rotor shaft 2 separately again, assembles more convenient.Flywheel 4, starter 6 and generator are installed in the same end of engine crankshaft 5, make the compact structure of whole generator of engine.
Axial bore 9 on generator amature 1 iron core has at least two and be circumferentially evenly and distribute, and 9 li ends by starter 6 of axial bore are equipped with guide sleeve 11.What generator adopted is frequency conversion generator, and the axial bore 9 on generator amature 1 iron core can be four, and can be fan shaped borehole, and axial bore 9 is done greatlyyer slightly than the ratchet on the starter 6 10, is convenient to ratchet 10 and inserts wherein reliably.Guide sleeve 11 can be a plastic sheath, is used for the ratchet 10 of plastic material is led, to reduce friction.
On housing 3, starter 6 is installed in the inner side surface of housing 3 to one end of rotor 1 by bearings, and generator unit stator 7 is fixedly mounted on 8 of housing 3 and fan guards.Generator unit stator 7 is limited between the step surface of housing 3 and fan guard 8, and sockets fixing between housing 3 and the fan guard 8 with bolt.
Used generator amature 1 is little with the thickness of stator 7 in the utility model, and the axial space that takies whole generator of engine is little, and generator amature 1 double as startup cup, has saved traditional startup cup part, and structure is simplified.When piloting engine, the ratchet 10 on the starter 6 axially stretches into and drives rotor 1 running in the axial bore 9 of generator amature 1, and generator amature 1 drives flywheel 4 again and bent axle 5 rotates, thereby pilots engine.
Claims (4)
1, a kind of generator of engine, the starter that comprises motor, generator and be used to pilot engine (6), generator and starter are arranged on the outer and coaxial the same side that is positioned at bent axle (5) axial direction of engine crankcase (12), it is characterized in that: the end that engine crankshaft (5) stretches out in crankcase (12) is equipped with flywheel (4), generator is positioned between starter (6) and the flywheel (4), generator is an inner rotor core, and generator amature (1) is supported on the rotor shaft (2) that detachably links to each other with flywheel (4); The iron core of generator amature (1) is provided with axial bore (9), and upward axially displaceable ratchet (10) position is corresponding with starter (6) for this axial bore (9).
2, generator of engine according to claim 1 is characterized in that: the axial bore (9) on described generator amature (1) iron core has at least two and be circumferentially evenly and distribute, and axial bore (9) lining is equipped with guide sleeve (11) by an end of starter (6).
3, generator of engine according to claim 1 and 2 is characterized in that: described axial bore (9) is a fan shaped borehole.
4, generator of engine according to claim 1, it is characterized in that: an end of described generator amature (1) by bearings on housing (3), starter (6) is installed in the inner side surface of housing (3), and generator unit stator (7) is fixedly mounted between housing (3) and the fan guard (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200983807U CN201202529Y (en) | 2008-05-23 | 2008-05-23 | Engine electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200983807U CN201202529Y (en) | 2008-05-23 | 2008-05-23 | Engine electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201202529Y true CN201202529Y (en) | 2009-03-04 |
Family
ID=40424843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200983807U Expired - Lifetime CN201202529Y (en) | 2008-05-23 | 2008-05-23 | Engine electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201202529Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009140867A1 (en) * | 2008-05-23 | 2009-11-26 | 隆鑫工业有限公司 | Engine generator |
| CN105864714A (en) * | 2016-04-06 | 2016-08-17 | 重庆和锐动力设备有限公司 | Direct-current low-voltage automatic relaying illuminating device for field construction |
| CN105909378A (en) * | 2016-06-03 | 2016-08-31 | 韩群山 | Range-extending electric hybrid generator and engine crankshaft connecting device |
| CN111219247A (en) * | 2020-03-09 | 2020-06-02 | 恩吉（福建）工业装备有限公司 | Generating set and mobile charging vehicle |
| CN111765028A (en) * | 2020-07-01 | 2020-10-13 | 北京航空航天大学 | An engine starting/generating integrated device for small unmanned aerial vehicles |
-
2008
- 2008-05-23 CN CNU2008200983807U patent/CN201202529Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009140867A1 (en) * | 2008-05-23 | 2009-11-26 | 隆鑫工业有限公司 | Engine generator |
| CN101282054B (en) * | 2008-05-23 | 2010-06-02 | 隆鑫工业有限公司 | Engine generator |
| CN105864714A (en) * | 2016-04-06 | 2016-08-17 | 重庆和锐动力设备有限公司 | Direct-current low-voltage automatic relaying illuminating device for field construction |
| CN105909378A (en) * | 2016-06-03 | 2016-08-31 | 韩群山 | Range-extending electric hybrid generator and engine crankshaft connecting device |
| CN111219247A (en) * | 2020-03-09 | 2020-06-02 | 恩吉（福建）工业装备有限公司 | Generating set and mobile charging vehicle |
| CN111765028A (en) * | 2020-07-01 | 2020-10-13 | 北京航空航天大学 | An engine starting/generating integrated device for small unmanned aerial vehicles |
| CN111765028B (en) * | 2020-07-01 | 2021-08-03 | 北京航空航天大学 | An engine starting/generating integrated device for small unmanned aerial vehicles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090304 Effective date of abandoning: 20080523 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090304 Effective date of abandoning: 20080523 |