CN203285703U - Heat-radiation fan - Google Patents
Heat-radiation fan Download PDFInfo
- Publication number
- CN203285703U CN203285703U CN2013202986478U CN201320298647U CN203285703U CN 203285703 U CN203285703 U CN 203285703U CN 2013202986478 U CN2013202986478 U CN 2013202986478U CN 201320298647 U CN201320298647 U CN 201320298647U CN 203285703 U CN203285703 U CN 203285703U
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- CN
- China
- Prior art keywords
- wheel hub
- fan
- fan frame
- radiation fan
- impeller
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Abstract
The utility model relates to a heat-radiation fan. The heat-radiation fan comprises a fan frame and an impeller, wherein the impeller is arranged in the fan frame; the impeller comprises blades and a wheel hub; the blades are annularly and uniformly distributed on the outer annular surface of the wheel hub; the blades and the wheel hub are integrally molded; the outer end face of the wheel hub is a circular-arc surface; reinforcing ribs are arranged on the connection parts between the blades and the wheel hub and are positioned on the outer end face of the wheel hub. According to the heat-radiation provided by the utility model, the blades and the wheel hub of the impeller are integrally molded and the outer end face of the wheel hub is the circular-arc surface, so that the wheel hub is not easy to deform; the reinforcing ribs are arranged on the connection parts between the blades and the wheel hub and are positioned on the outer end face of the wheel hub so that the connection strength of the blades and the wheel hub is enhanced, the blades are not easy to break off and the strength of the whole impeller is enhanced, and furthermore, the use effect of the heat-radiation fan is improved and the service life of the heat-radiation fan is prolonged.
Description
Technical field
The utility model relates to heat dissipation equipment, relates in particular to a kind of radiation fan.
Background technique
Along with the application of electronic product is more and more extensive, electronics applications safety and long-actingly seem more and more important.Radiation fan, as most popular electronic product radiating device, further improves heat dispersion and seems particularly important.
General radiation fan all comprises fan frame and impeller, and wherein the intensity of impeller affects the working life of radiation fan to a great extent.The intensity of the impeller of many radiation fans is all lower, and its blade easily ruptures, and its wheel hub easily produces irregular deformation, has affected using effect and the working life of radiation fan.
The model utility content
The purpose of this utility model is to provide a kind of radiation fan, strengthens the intensity of impeller wherein, improves the using effect of radiation fan and extends its working life.
For achieving the above object, the utility model by the following technical solutions: a kind of radiation fan comprises fan frame and impeller, impeller is located in the fan frame, and impeller comprises blade and wheel hub, and blade evenly is arranged in wheel hub cylindrical anchor ring circlewise, blade and wheel hub are one-body molded, and the exterior edge face of wheel hub is arc surface; On the exterior edge face of wheel hub, the joint of blade and wheel hub is provided with stiffening rib.
Further, the back side of fan frame is provided with intake grill, and the outer rim of the intake grill of fan frame is provided with the air intake chamfering.
Further, the front of fan frame is provided with exhaust outlet, and the outer rim of the exhaust outlet of fan frame is provided with the air-out chamfering.
Further, the fan frame comprises framework and joint, and joint is located at the back side of fan frame, and joint connects framework by connecting tendon.
Further, the quantity of connecting tendon is 4.
Further, the width of connecting tendon and framework joint is greater than the width of connecting tendon.
Further, a side of connecting tendon is provided with metallic channel.
Further, framework is provided with wire guide, and wire guide is communicated with metallic channel.
Further, the quantity of blade is 9.
The utility model beneficial effect compared with prior art is:
(1) in the utility model, the blade of impeller and wheel hub are integrated, the exterior edge face of wheel hub is arc surface, improved the intensity of wheel hub, make wheel hub be not easy distortion, and on the wheel hub exterior edge face, the joint of blade and wheel hub is provided with stiffening rib, improved the join strength of blade and wheel hub, make blade be not easy fracture, the intensity of whole impeller is improved, and then has improved the using effect of radiation fan and extended its working life.
(2) the intake grill outer rim of the utility model middle fan frame arranges the air intake chamfering, is mainly in order to increase air output, can alleviate the weight of fan frame simultaneously.
(3) the exhaust outlet outer rim of the utility model middle fan frame sets out the wind-fall angle, is mainly for symmetrical with the air intake chamfering, optimizes the front of fan frame and the weight distribution at the back side.
(4) the utility model middle fan frame comprises framework and joint, and framework is connected by 4 connecting tendons with joint, has strengthened the intensity of fan frame, the working life of having improved radiation fan.
(5) the utility model middle fan frame is provided with metallic channel and the wire guide that is interconnected, metallic channel and wire guide are used for the trend of guiding electric wire, can place electric wire simultaneously, make electric wire not there will be confusion, can not encounter blade yet, improve the using effect of radiation fan.
(6) in the utility model, the width of connecting tendon and framework joint, greater than the width of connecting tendon, is mainly the intensity for the joint that strengthens connecting tendon and framework, thereby strengthens the intensity of fan frame.
(7) quantity of the utility model Leaf is 9,, more than common radiating fan blade quantity, makes the pitch smaller between blade, and then has improved blast and air quantity, has improved radiating effect.
Description of drawings
Fig. 1 is the utility model embodiment Assembly of the parts stereogram
Fig. 2 is the utility model embodiment Assembly of the parts front view
Fig. 3 is the utility model embodiment Assembly of the parts rear view
Fig. 4 is the utility model embodiment's impeller side view
Embodiment
, in order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment, the technical solution of the utility model is described further and illustrates.
The utility model embodiment concrete structure as shown in Figures 1 to 4.The radiation fan of the present embodiment comprises fan frame 10 and impeller 20.Impeller 20 is located in fan frame 10, and impeller 20 comprises blade 22 and wheel hub 21.Blade 22 evenly is arranged in wheel hub 21 cylindrical anchor rings circlewise.Blade 22 is one-body molded with wheel hub 21.The exterior edge face 211 of wheel hub 21 is arc surface.On the exterior edge face 211 of wheel hub 21, blade 22 is provided with stiffening rib 212 with the joint of wheel hub 21.The exterior edge face 211 of wheel hub 21 is arc surface, has improved the intensity of wheel hub 21, makes wheel hub 21 be not easy distortion.The stiffening rib 212 of blade 22 and wheel hub 21 joints, improved the join strength of blade 22 with wheel hub 21, makes blade 22 be not easy fracture, and the intensity of whole impeller 20 is improved.
As shown in Figures 1 to 4, the back side of fan frame 10 is provided with intake grill 112, and the outer rim of the intake grill 112 of fan frame 10 is provided with air intake chamfering 1121.As shown in Figures 1 to 4, the front of fan frame 10 is provided with exhaust outlet 111, and the outer rim of the exhaust outlet 111 of fan frame 10 is provided with air-out chamfering 1111.Intake grill 112 outer rims of fan frame 10 arrange air intake chamfering 1121, are mainly in order to increase air output, can alleviate the weight of fan frame 10 simultaneously.And exhaust outlet 111 outer rims of fan frame 10 set out wind-fall angle 1111, be mainly for air intake chamfering 1121 symmetries, optimize the front of fan frame 10 and the weight distribution at the back side.
As shown in Figure 3, fan frame 10 comprises framework 11 and joint 12.Joint 12 is located at the back side of fan frame 10, and joint 12 connects framework 11 by connecting tendon 13.The quantity of connecting tendon 13 is 4.Framework 11 is connected by 4 connecting tendons 13 with joint 12, has strengthened the intensity of fan frame 10, the working life of having improved radiation fan.
As shown in Figure 3, a side of connecting tendon 13 is provided with metallic channel 114.Framework 11 is provided with wire guide 113, and wire guide 113 is communicated with metallic channel 114.The utility model middle fan frame 10 is provided with metallic channel 114 and the wire guide 113 that is interconnected, metallic channel 114 and wire guide 113 are used for the trend of guiding electric wire, can place electric wire simultaneously, make electric wire not there will be confusion, can not encounter blade 22 yet, improve the using effect of radiation fan.
As shown in Figure 3, the width of connecting tendon 13 and framework 11 joints is greater than the width of connecting tendon 13.In the utility model, the width of connecting tendon 13 and framework 11 joints, greater than the width of connecting tendon 13, is mainly the intensity for the joint that strengthens connecting tendon 13 and framework 11, thereby strengthens the intensity of fan frame 10.
As shown in Figures 1 to 4, the quantity of blade 22 is 9.The quantity of the utility model Leaf 22 is 9,, more than common radiating fan blade 22 quantity, makes the pitch smaller between blade 22, and then has improved blast and air quantity, has improved radiating effect.
Above statement only further illustrates technology contents of the present utility model with embodiment; so that the reader is easier to understand; but do not represent that mode of execution of the present utility model only limits to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.
Claims (9)
1. a radiation fan, comprise fan frame and impeller, and described impeller is located in the fan frame, described impeller comprises blade and wheel hub, and described blade evenly is arranged in wheel hub cylindrical anchor ring circlewise, it is characterized in that, described blade and wheel hub are one-body molded, and the exterior edge face of described wheel hub is arc surface; On the exterior edge face of described wheel hub, the joint of described blade and wheel hub is provided with stiffening rib.
2. radiation fan as claimed in claim 1, is characterized in that, the back side of described fan frame is provided with intake grill, and the outer rim of the intake grill of described fan frame is provided with the air intake chamfering.
3. radiation fan as claimed in claim 2, is characterized in that, the front of described fan frame is provided with exhaust outlet, and the outer rim of the exhaust outlet of described fan frame is provided with the air-out chamfering.
4. radiation fan as claimed in claim 1, is characterized in that, described fan frame comprises framework and joint, and described joint is located at the back side of fan frame, and described joint connects framework by connecting tendon.
5. radiation fan as claimed in claim 4, is characterized in that, the quantity of described connecting tendon is 4.
6. radiation fan as claimed in claim 4, is characterized in that, the width of described connecting tendon and framework joint is greater than the width of connecting tendon.
7. radiation fan as claimed in claim 4, is characterized in that, a side of described connecting tendon is provided with metallic channel.
8. radiation fan as claimed in claim 7, is characterized in that, described framework is provided with wire guide, and described wire guide is communicated with metallic channel.
9. radiation fan as described in claim 1 to 8 any one, is characterized in that, the quantity of described blade is 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202986478U CN203285703U (en) | 2013-05-28 | 2013-05-28 | Heat-radiation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202986478U CN203285703U (en) | 2013-05-28 | 2013-05-28 | Heat-radiation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285703U true CN203285703U (en) | 2013-11-13 |
Family
ID=49542069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202986478U Expired - Fee Related CN203285703U (en) | 2013-05-28 | 2013-05-28 | Heat-radiation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285703U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103766309A (en) * | 2014-02-19 | 2014-05-07 | 李起武 | Air-flow type mosquito killer |
| CN104358693A (en) * | 2014-11-28 | 2015-02-18 | 德清振达电气有限公司 | Axial fan |
| CN104389797A (en) * | 2014-11-28 | 2015-03-04 | 德清振达电气有限公司 | Low-power-consumption axial fan |
| CN104454592A (en) * | 2014-11-28 | 2015-03-25 | 德清振达电气有限公司 | High-power axial fan |
-
2013
- 2013-05-28 CN CN2013202986478U patent/CN203285703U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103766309A (en) * | 2014-02-19 | 2014-05-07 | 李起武 | Air-flow type mosquito killer |
| CN104358693A (en) * | 2014-11-28 | 2015-02-18 | 德清振达电气有限公司 | Axial fan |
| CN104389797A (en) * | 2014-11-28 | 2015-03-04 | 德清振达电气有限公司 | Low-power-consumption axial fan |
| CN104454592A (en) * | 2014-11-28 | 2015-03-25 | 德清振达电气有限公司 | High-power axial fan |
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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: 20131113 Termination date: 20210528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |