CN201461499U - Novel cooling fan - Google Patents
Novel cooling fan Download PDFInfo
- Publication number
- CN201461499U CN201461499U CN2009201278150U CN200920127815U CN201461499U CN 201461499 U CN201461499 U CN 201461499U CN 2009201278150 U CN2009201278150 U CN 2009201278150U CN 200920127815 U CN200920127815 U CN 200920127815U CN 201461499 U CN201461499 U CN 201461499U
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- CN
- China
- Prior art keywords
- impeller
- flow guide
- cooling fan
- novel cooling
- water conservancy
- 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.)
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Abstract
The utility model discloses a novel cooling fan which comprises a fan impeller, wherein the fan impeller comprises a blade and a flow guide strengthening ring; the flow guide strengthening ring is blocked at the edge of the gas inlet side of the fan impeller along the circumferential direction and fixedly connected with the blade. The flow guide strengthening ring is fixedly arranged on the blade along the edge of the fan impeller, and the strength of the impeller is increased so that the impeller can be not deformed under the common action of temperature and back pressure; the flow guide strengthening ring plays a role of flow guide simultaneously, a gas flow can not be inverted due to the action of the back pressure, the working efficiency of the impeller is improved, and the air outlet amount and the air outlet speed are ensured, thereby ensuring the normal operation of an engine; meanwhile, the flow guide effect of a wind guide cover is weakened by the flow guide effect of the flow guide strengthening ring, thereby having not high installation precision requirement for the impeller in the process of installation and improving the assembling efficiency on the premise of ensuring the efficiency of the impeller.
Description
Technical field
The utility model relates to a kind of universal machine parts, particularly a kind of novel cooling fan.
Background technique
Forcing cooling is the type of cooling that universal machine must be provided with, and can improve the running state of universal machine and increases the service life.Forced air cooling is because simple in structure, and design cost hangs down is forcing the cooling field to be widely used.Air cooling system comprises fan and appurtenances, and the structure of blast fan is the emphasis of decision cooling effectiveness.
In the prior art, the impeller of universal machine is for alleviating deadweight and raise the efficiency material and adopt rigid plastics usually, and in order to adapt to the gas flow characteristic, increases air inflow, and impeller adopts the unshrouded impeller structure.It is tie point that the blade of impeller has only root, and along with the rising of temperature and back pressure, blade can deform, difference appears with project organization, blade deformation meeting influences the air inlet and the air blast efficient of impeller largely, reduces air output and air-out speed, makes motor not reach the cooling effect of expection.Unshrouded impeller needs to control the distance parameter between impeller and the wind scooper in installation process, if distance parameter and design parameter depart from, the gas of impeller outlet passageway can produce back pressure and scurry to suction port, can influence the efficient of impeller, reduce air output and air-out speed, thereby the installation precision of impeller is had relatively high expectations the reduction efficiency of assembling.
Therefore, need improve existing cooling fan of engine, impeller can not deformed under temperature and back pressure acting in conjunction, improve the impeller working efficiency, guarantee air output and air-out speed, thereby guarantee the proper functioning of motor, simultaneously, in the installation process, less demanding to the installation precision of impeller, improve efficiency of assembling under the prerequisite of assurance impeller adiabatic efficiency.
The model utility content
In view of this, the utility model provides a kind of novel cooling fan, impeller can not deformed under temperature and back pressure acting in conjunction, improve the impeller working efficiency, guarantee air output and air-out speed, thereby guarantee the proper functioning of motor, simultaneously, in the installation process, less demanding to the installation precision of impeller, improve efficiency of assembling under the prerequisite of assurance impeller adiabatic efficiency.
Novel cooling fan of the present utility model comprises blast fan, and described blast fan comprises blade, also comprises the water conservancy diversion stiffening ring, and described water conservancy diversion stiffening ring along the circumferential direction keeps off at the edge of blast fan air inlet side and with vanes fixed and being connected.
Further, described water conservancy diversion stiffening ring is a cone structure, and the cone angle of cone structure is 160 °-170 ° along airintake direction;
Further, the outside bending of described water conservancy diversion stiffening ring and air inlet side end forms drainage portion;
Further, the bending part rounding off that is connected with the water conservancy diversion stiffening ring of described drainage portion;
Further, described drainage portion is the horn mouth structure;
Further, described drainage portion is a column structure.
The beneficial effects of the utility model: novel cooling fan of the present utility model, on blade, fixedly install the water conservancy diversion stiffening ring along the blast fan edge, increase impeller intensity, impeller can not deformed under temperature and back pressure acting in conjunction, the water conservancy diversion stiffening ring plays guide functions simultaneously, air-flow is not flow backwards because of back pressure effect anti-channeling, improve the impeller working efficiency, guarantee air output and air-out speed, thereby guarantee the proper functioning of motor, simultaneously, because the guide functions of water conservancy diversion stiffening ring makes the guide functions reduction of wind scooper, so in the installation process, installation precision to impeller is less demanding, improves efficiency of assembling under the prerequisite of assurance impeller working efficiency.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the front view of impeller.
Embodiment
Fig. 1 is a structural representation of the present utility model, and Fig. 2 is the front view of impeller, and as shown in the figure: the direction of arrow is airflow direction among Fig. 1.
The novel cooling fan of present embodiment comprises blast fan, and described blast fan 1 comprises blade 13, and blast fan 1 is provided with suction port 11 and relief opening 12, and described blast fan outside is covered with wind scooper 2, and described wind scooper 2 is provided with gas-entered passageway 21 and exhaust passage 22; Also comprise water conservancy diversion stiffening ring 3, described water conservancy diversion stiffening ring 3 along the circumferential direction keeps off at the edge of blast fan 1 air inlet side and with blade 13 fixedlys connected.
Water conservancy diversion stiffening ring 3 is a cone structure, and the cone angle of cone structure (180 °-2 α) is 160 °-170 ° along airintake direction; In the present embodiment, the cone angle of cone structure is 170 ° along airintake direction, and steering flow blows out along the exhaust passage 22 of wind scooper 2 under the situation that does not increase exhaust resistance, guarantees the air blast efficient of blast fan 1; The angle of deflection design that this structure makes the water conservancy diversion stiffening ring and the cooling airflow of wind scooper are to adapting, not only make air-flow not because of back pressure effect anti-channeling flows backwards, also reduce the cooling air resistance, improve the impeller working efficiency, guarantee air output and air-out speed, thereby guarantee the proper functioning of motor.
In the present embodiment, the corresponding end of described water conservancy diversion stiffening ring 3 and airintake direction outwards (relative with airintake direction) bending forms the drainage portion 31 of horn mouth structure; Guiding gas enters the suction port 11 of blast fan 1, and the horn mouth structure is beneficial to collects the gas that enters wind scooper to greatest extent, guarantees air inflow, and prevents that exhaust back pressure from exerting an influence to air inlet, thereby further guarantee air output and air-out speed.
Certainly, drainage portion 31 can be a column structure, when suction port diameter during greater than wind scooper air inlet scope, plays air inflow, the effect of increasing work efficiency of guaranteeing equally.
In the present embodiment, the bending part rounding off that described drainage portion 31 is connected with water conservancy diversion stiffening ring 3 reduces the resistance to air-flow, and the stress that can reduce parts concentrates, and further guarantees the running efficiency of fan, prolongs the working life of impeller.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, 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 make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. a novel cooling fan comprises blast fan, and described blast fan comprises blade, it is characterized in that: also comprise the water conservancy diversion stiffening ring, described water conservancy diversion stiffening ring along the circumferential direction keeps off at the edge of blast fan air inlet side and with vanes fixed and being connected.
2. novel cooling fan according to claim 1 is characterized in that: described water conservancy diversion stiffening ring is a cone structure, and the cone angle of cone structure is 160 °-170 ° along airintake direction.
3. novel cooling fan according to claim 2 is characterized in that: the outside bending of described water conservancy diversion stiffening ring and air inlet side end forms drainage portion.
4. novel cooling fan according to claim 3 is characterized in that: the bending part rounding off that described drainage portion is connected with the water conservancy diversion stiffening ring.
5. novel cooling fan according to claim 4 is characterized in that: described drainage portion is the horn mouth structure.
6. novel cooling fan according to claim 4 is characterized in that: described drainage portion is a column structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201278150U CN201461499U (en) | 2009-06-29 | 2009-06-29 | Novel cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201278150U CN201461499U (en) | 2009-06-29 | 2009-06-29 | Novel cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201461499U true CN201461499U (en) | 2010-05-12 |
Family
ID=42388853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201278150U Expired - Fee Related CN201461499U (en) | 2009-06-29 | 2009-06-29 | Novel cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201461499U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030608A (en) * | 2016-02-04 | 2017-08-11 | 南京德朔实业有限公司 | Sanding machine |
| CN110296091A (en) * | 2018-03-22 | 2019-10-01 | 台达电子工业股份有限公司 | fan |
| CN114718889A (en) * | 2022-04-14 | 2022-07-08 | 广州伽利略网络科技有限公司 | Flow guiding type computer CPU radiator |
-
2009
- 2009-06-29 CN CN2009201278150U patent/CN201461499U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030608A (en) * | 2016-02-04 | 2017-08-11 | 南京德朔实业有限公司 | Sanding machine |
| CN107030608B (en) * | 2016-02-04 | 2019-08-06 | 南京德朔实业有限公司 | sanding machine |
| CN110296091A (en) * | 2018-03-22 | 2019-10-01 | 台达电子工业股份有限公司 | fan |
| CN114718889A (en) * | 2022-04-14 | 2022-07-08 | 广州伽利略网络科技有限公司 | Flow guiding type computer CPU radiator |
| CN114718889B (en) * | 2022-04-14 | 2023-12-22 | 东莞市信合科技有限公司 | Diversion type computer CPU radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20100629 |