CN203906347U - Air-cooling assembly of general gasoline engine - Google Patents
Air-cooling assembly of general gasoline engine Download PDFInfo
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- CN203906347U CN203906347U CN201420352653.1U CN201420352653U CN203906347U CN 203906347 U CN203906347 U CN 203906347U CN 201420352653 U CN201420352653 U CN 201420352653U CN 203906347 U CN203906347 U CN 203906347U
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- air
- wind scooper
- fan
- general gasoline
- gasoline engines
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Abstract
The utility model discloses an air-cooling assembly of a general gasoline engine. The air-cooling assembly comprises a fan, a wind scooper and a permanent magnetic motor component, wherein the permanent magnetic motor component comprises a stator and a magnetic shoe arranged around the stator and fixedly connected with the wind scooper; an air inlet is formed in the end surface of the wind scooper; the fan comprises an inner ring, an outer ring and spoke-shaped fan blades connected between the inner and outer rings; the fan is coaxially arranged in the wind scooper and can synchronously rotate with the wind scooper; the magnetic shoe is fixed on the outer ring. According to the air-cooling assembly, the loss of cooling air flow can be reduced; the fan and a magnetic shoe installing bracket of the permanent motor shares one part, so that the production cost of the magnetic shoe installing bracket is reduced, the size of the general gasoline engine is greatly reduced, and the structure of the general gasoline engine is compact.
Description
Technical field
The utility model relates to a kind of general gasoline engines cooling-part, specifically the air-cooled assembly of a kind of general gasoline engines.
Background technique
Cooling unit is the parts that general gasoline engines must arrange, and these parts can improve the running state of general gasoline engines and increase the service life.Forced air cooling is due to simple in structure, and low cost of manufacture, is forcing cooling field to be widely used.The air cooling system of general gasoline engines comprises fan and appurtenances, and the position of fan and structure are the emphasis that determines general gasoline engines cooling effectiveness.
In prior art, the cooling fan of general gasoline engines conventionally adopts axial flow flabellum and is fixed on wind scooper (conventionally also as the flywheel of general gasoline engines) exterior edge face, wind scooper has intake grill on exterior edge face, general gasoline engines is in running, crank-driven wind scooper rotates, and drive fan to follow wind scooper together to rotate, the air-flow that fan produces is axially blown in wind scooper and is carried out cooling to heat load component by intake grill along it, the air-flow that the fan of this mounting point and structural type produces is when the intake grill by wind scooper end face, the air-flow of the overwhelming majority will be stopped by wind scooper end face, the wind speed and the air loss that cause finally entering wind scooper internal cooling air-flow are excessive, affect cooling effect.
On the other hand, in existing general gasoline engines wind scooper, the magneto that promising gasoline engine starting provides power is set conventionally, magneto comprises the stator being arranged in wind scooper and the magnetic shoe that is fixed on wind scooper inwall and can together rotates with wind scooper, conventionally magnetic shoe need to utilize an annular mounting bracket to be fixed and be arranged on wind scooper inwall, this annular mounting bracket generally adopts molding and forming, and enter glue at the home position of support, and adopt the runner of spoke shpae that liquid plastic cement is injected to annular die cavity, after band injection moulding is complete and cooling, manufacturing operator need to cut the clout of spoke shpae, cause the annular mounting frame of existing magnetic shoe in manufacturing, waste to plastic material is larger, prune clout has also increased workman's labor intensity simultaneously, increase manufacture cost.
Therefore, for overcoming the above problems, need the air-cooled assembly of a kind of general gasoline engines, this air-cooled assembly can reduce cooling blast loss, make the magnetic shoe mounting bracket of fan and magneto share component, the size that significantly reduces general gasoline engines to reduce the cost of production of magnetic shoe mounting bracket, makes its structure compacter simultaneously.
Model utility content
In view of this, the purpose of this utility model is to overcome defect of the prior art, provides a kind of and can reduce cooling blast loss, and the cost of production that reduces magnetic shoe mounting bracket makes the air-cooled assembly of general gasoline engines that general gasoline engines structure is compacter simultaneously.
The air-cooled assembly of general gasoline engines of the present utility model, comprises fan, wind scooper and magneto assembly; Magneto assembly comprise stator with around stator setting the magnetic shoe that is fixedly connected with wind scooper, wind scooper end face is provided with intake grill, fan comprise inner ring, outer ring and be connected in spoke shpae flabellum between inner ring and outer ring and fan to be coaxially arranged at wind scooper inner and can synchronize and rotate with wind scooper, magnetic shoe is fixed on outer ring;
Further, described flabellum is provided with towards the side of stator for guiding air-flow along the guide plate of fan Radial Flow, guide plate the inner is connected in fan inner ring periphery, and guide plate outer end forms exhaust port between flabellum longitudinal extension and guide plate outer end and wind scooper inwall;
Further, described flabellum arranges perpendicular to described wind scooper end face;
Further, described fan is made by molding and forming;
Further, described outer ring is provided with and flabellum locating column one to one towards the end face of stator, and magnetic shoe is embedded between two adjacent locating columns;
Further, the intake grill on described wind scooper is over against between adjacent two flabellums;
Further, described flabellum is provided with the groove of dodging that tightens firmware for dodging wind scooper end face towards the side of intake grill;
Further, described flabellum is provided with a plurality of and is circumferentially uniformly distributed along inner ring;
Further, described locating column root passes through round-corner transition;
Further, described wind scooper exterior edge face is coaxially fixedly connected with axle sleeve and is in transmission connection by this axle sleeve and General purpose petrol engine crankshaft.
The beneficial effects of the utility model are: the air-cooled assembly of general gasoline engines of the present utility model, fan is arranged at wind scooper inside, effectively utilized the space of wind scooper inside, thereby greatly reduce the size of general gasoline engines body, also reduced the loss of gas flow rate and pressure, strengthened cooling effect simultaneously; On the other hand, because fan outer ring can be used as the mounting bracket of magnetic shoe, and the spoke shpae clout that fan forms in injection molding process can be used as flabellum, thereby increases substantially the utilization ratio of plastic material, make parts reach multiple use, effectively reduce cost of production.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of fan of the present utility model;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the right elevation of Fig. 2.
Embodiment
Fig. 1 is structural representation of the present utility model; Fig. 2 is the schematic diagram of fan 1 of the present utility model; Fig. 3 is the left view of Fig. 2; Fig. 4 is the right elevation of Fig. 2.As shown in the figure, the air-cooled assembly of general gasoline engines in the present embodiment, comprises fan 1, wind scooper 3 and magneto assembly, magneto assembly comprises stator 5 and the magnetic shoe 4 that arranges and be fixedly connected with wind scooper 3 around stator 5, wind scooper 3 end faces are provided with intake grill 14, fan 1 comprises inner ring 11, outer ring 7 and be connected in spoke shpae flabellum 8 between inner ring 11 and outer ring 7 and fan 1 to be coaxially arranged at wind scooper 3 inner and can synchronize rotation with wind scooper 3, magnetic shoe 4 is fixed on outer ring 7, fan 1 is arranged at wind scooper 3 inside, can effectively utilize the space of wind scooper 3 inside, thereby greatly reduce the size of general gasoline engines body, also reduced the loss of gas flow rate and pressure simultaneously, strengthened cooling effect, on the other hand, because fan 1 outer ring 7 can be used as the mounting bracket of magnetic shoe 4, and the spoke shpae clout that fan 1 forms in injection molding process can be used as flabellum 8, thereby increases substantially the utilization ratio of plastic material, make parts reach multiple use, effectively reduce cost of production.
In the present embodiment, described flabellum 8 is provided with towards the side of stator 5 for guiding air-flow along the guide plate 9 of fan 1 Radial Flow, guide plate 9 the inners are connected in fan 1 inner ring 11 peripheries, and guide plate 9 outer ends form exhaust port 12 between flabellum 8 longitudinal extensions and guide plate 9 outer ends and wind scooper 3 inwalls, the fan 1 that the present embodiment adopts is centrifugal fan 1, as shown in Figure 1, arrow is the direction of gas flow, when this fan 1 starts to rotate, from the air outside wind scooper 3, through intake grill 14, enter between the flabellum 8 of fan 1, due to centrifugal action, gas will be along fan 1 Radial Flow, when air-flow runs into wind scooper 3 madial wall, after airflow direction changes along fan 1 axially to stator 5 side flow, and the guide plate 9 that is arranged at flabellum 8 sides can effectively guide gas along fan 1 Radial Flow, thereby increase wind speed and blast that fan 1 produces, strengthen cooling effect.
In the present embodiment, described flabellum 8 is perpendicular to described wind scooper 3 end face settings, blast and air quantity that the fan 1 that this flabellum 8 structures form produces in running are all larger, are conducive to strengthen cooling effect, simultaneously, the flabellum 8 of this structure is easy to the demoulding after moulding, manufacturability is better, on the other hand, due to flabellum 8 in injection molding process using the runner as plastic cement, adopt the runner of this structural type can reduce the mobile resistance of plastic cement, make fan 1 Forming Quality better.
In the present embodiment, described fan 1 is made by molding and forming, and the fan 1 being made of plastics is lightweight, rotary inertia is little, and cost of production is lower simultaneously, because flabellum 8 can be used as the required runner of moulding, therefore, after moulding, without pruning clout, also improved the utilization ratio of plastic material simultaneously.
In the present embodiment, described outer ring 7 is provided with and flabellum 8 locating column 13 one to one towards the end face of stator 5, magnetic shoe 4 is embedded between two adjacent locating columns 13, because the outer ring 7 of fan 1 is simultaneously as the mounting bracket of magnetic shoe 4, therefore this locating column 13 can be convenient to the fixed installation of magnetic shoe 4.
In the present embodiment, intake grill 14 on described wind scooper 3 is over against between adjacent two flabellums 8, when fan 1 rotates, the air-flow coming from the outside enters between adjacent two flabellums 8 by intake grill 14, therefore, intake grill 14 should, over against the gap between two flabellums 8, can directly enter between two flabellums 8 air-flow, reduce the resistance of gas flow, increase air output.
In the present embodiment, described flabellum 8 is provided with towards the side of intake grill 14 dodges groove 10 for what dodge that wind scooper 3 end faces tighten firmware; The fastening pieces such as bolt need to be installed on wind scooper 3 end faces conventionally and be connected with bent axle 6 by these fastening pieces, for guaranteeing compact structure, flabellum 8 sides should, near wind scooper 3 interior edge faces, therefore, be dodged groove 10 in flabellum 8 sides settings and can avoid flabellum 8 and fastening piece to interfere.
In the present embodiment, described flabellum 8 is provided with a plurality of and is circumferentially uniformly distributed along inner ring 11, and equally distributed flabellum 8 can produce lasting and stable air-flow, guarantees cooling effect.
In the present embodiment, described locating column 13 roots are by round-corner transition, and because fan 1 is in rotation process, locating column 13 needs to drive magnetic shoe 4 together to rotate, therefore the flexural stress of its root is larger, because adopting round-corner transition, avoids stress to concentrate.
In the present embodiment, described wind scooper 3 exterior edge faces are coaxially fixedly connected with axle sleeve 2 and are in transmission connection by this axle sleeve 2 and General purpose petrol engine crankshaft 6, and the reliability of this Connecting format is higher, can make wind scooper 3 synchronize rotation with the bent axle 6 of general gasoline engines.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. the air-cooled assembly of general gasoline engines, comprises fan, wind scooper and magneto assembly; Described magneto assembly comprise stator with around stator setting the magnetic shoe that is fixedly connected with wind scooper, it is characterized in that: described wind scooper end face is provided with intake grill; Described fan comprise inner ring, outer ring and be connected in spoke shpae flabellum between inner ring and outer ring and described fan to be coaxially arranged at wind scooper inner and can synchronize and rotate with wind scooper; Described magnetic shoe is fixed on described outer ring.
2. the air-cooled assembly of general gasoline engines according to claim 1, is characterized in that: described flabellum is provided with towards the side of stator for guiding air-flow along the guide plate of fan Radial Flow; Described guide plate the inner is connected in fan inner ring periphery, and guide plate outer end forms exhaust port between flabellum longitudinal extension and guide plate outer end and wind scooper inwall.
3. the air-cooled assembly of general gasoline engines according to claim 2, is characterized in that: described flabellum arranges perpendicular to described wind scooper end face.
4. the air-cooled assembly of general gasoline engines according to claim 3, is characterized in that: described fan is made by molding and forming.
5. the air-cooled assembly of general gasoline engines according to claim 4, is characterized in that: described outer ring is provided with and flabellum locating column one to one towards the end face of stator, and described magnetic shoe is embedded between two adjacent locating columns.
6. the air-cooled assembly of general gasoline engines according to claim 5, is characterized in that: the intake grill on described wind scooper is over against between adjacent two flabellums.
7. the air-cooled assembly of general gasoline engines according to claim 6, is characterized in that: described flabellum is provided with the groove of dodging that tightens firmware for dodging wind scooper end face towards the side of intake grill.
8. the air-cooled assembly of general gasoline engines according to claim 7, is characterized in that: described flabellum is provided with a plurality of and is circumferentially uniformly distributed along inner ring.
9. the air-cooled assembly of general gasoline engines according to claim 8, is characterized in that: described locating column root passes through round-corner transition.
10. the air-cooled assembly of general gasoline engines according to claim 9, is characterized in that: described wind scooper exterior edge face is coaxially fixedly connected with axle sleeve and is in transmission connection by this axle sleeve and General purpose petrol engine crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420352653.1U CN203906347U (en) | 2014-06-26 | 2014-06-26 | Air-cooling assembly of general gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420352653.1U CN203906347U (en) | 2014-06-26 | 2014-06-26 | Air-cooling assembly of general gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906347U true CN203906347U (en) | 2014-10-29 |
Family
ID=51780630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420352653.1U Expired - Fee Related CN203906347U (en) | 2014-06-26 | 2014-06-26 | Air-cooling assembly of general gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033406A (en) * | 2014-06-26 | 2014-09-10 | 重庆乾威科技有限公司 | Air cooling assembly of general gasoline engine |
-
2014
- 2014-06-26 CN CN201420352653.1U patent/CN203906347U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033406A (en) * | 2014-06-26 | 2014-09-10 | 重庆乾威科技有限公司 | Air cooling assembly of general gasoline engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |