CN202789711U - Blade wheel and fan with same - Google Patents
Blade wheel and fan with same Download PDFInfo
- Publication number
- CN202789711U CN202789711U CN 201220463275 CN201220463275U CN202789711U CN 202789711 U CN202789711 U CN 202789711U CN 201220463275 CN201220463275 CN 201220463275 CN 201220463275 U CN201220463275 U CN 201220463275U CN 202789711 U CN202789711 U CN 202789711U
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- China
- Prior art keywords
- impeller
- wheel hub
- noise reduction
- reduction member
- fan
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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.)
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Abstract
The utility model relates to a blade for a fan. The blade wheel comprises a similarly conical wheel hub with a central shaft hole, a plurality of blades connected to the wheel hub, and a muffling member connected to the wheel hub. The utility model also provides a fan with the blade wheel.
Description
Technical field
The fan that the utility model relates to a kind of impeller for fan and has this kind impeller.
Background technique
Traditional domestic fan generally includes the impeller that rotates around central rotating shaft and the motor of drives impeller rotary work.Impeller is usually located in the cage, and this cage allows air stream to pass housing, yet but stops the user to touch the impeller of rotation when using fan.
Just commercial the use with the impeller of cage without blade fan launched air stream from fan in recent years.Generally include pedestal and the nozzle that is arranged on the pedestal without blade fan, in pedestal, be provided with the impeller that is driven by motor, this kind impeller comprises the wheel hub and a plurality of blades that are connected on the described wheel hub of the general conical with central shaft hole, this kind impeller needs High Rotation Speed work usually, and its maximum (top) speed is up to 8000 rev/mins.
This kind impeller have be shaped easily, the manufacturing efficiency high, but the noise that produces during rotary work is larger.
Summary of the invention
First aspect of the present utility model is will provide-kind of the impeller for fan, this kind is used for the impeller of fan, it is characterized in that, described impeller comprise the general conical with central shaft hole wheel hub, be connected to a plurality of blades on the described wheel hub and be connected to noise reduction member on the described wheel hub.
This kind impeller is owing to be provided with the noise reduction member at wheel hub, the noise that produces when being conducive to decay vane rotary work, and the noise that impeller is produced obviously reduces.
Preferably, described noise reduction member is connected on the windward side that described wheel hub is connected with described blade.
Preferably, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade.
In a preferred embodiment, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade, and described impeller also comprises a plurality of perforation that are arranged on the described wheel hub.
In another preferred embodiment, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade, and described impeller also comprises and is arranged at a plurality of perforation on the described wheel hub and is arranged at cover plate on the described noise reduction member.
Described perforation can be various shape, can be circular, can be round rectangle, can also be other shape; The aperture of described perforation is usually between 0.5mm to 6mm, preferably between 1mm to 5mm.
Preferably, described impeller also comprises guard shield, and described guard shield is connected to the outer ledge of described blade so that around described wheel hub and described blade.
Preferably, described guard shield is shaped as substantially frustoconical.
The blade quantity of described impeller is usually 3 to 19 scope, preferably 3 to 11 scope.
Described noise reduction member comprises acoustic foam, and acoustic foam comprises sponge and glass wool; Described noise reduction member can be various shape, and the shape of described noise reduction member comprises annular and part annular.
Described noise reduction member comprises the noise reduction layer, and wherein, the thickness of noise reduction layer is between 1mm to 20mm.
In a preferred embodiment, described noise reduction member comprises a noise reduction layer, is connected with the noise reduction layer at the partial Upwind face of described wheel hub.
Preferably, described noise reduction member is connected with described wheel hub by binding agent.
Second aspect of the present utility model is will provide-kind of fan, this kind fan, it is characterized in that described fan comprises impeller, described impeller comprise the general conical with central shaft hole wheel hub, be connected to a plurality of blades on the described wheel hub and be connected to noise reduction member on the described wheel hub.
Preferably, described noise reduction member is connected on the windward side that described wheel hub is connected with described blade.
Preferably, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade.
In a preferred embodiment, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade, and described impeller also comprises a plurality of perforation that are arranged on the described wheel hub.
In another preferred embodiment, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade, and described impeller also comprises and is arranged at a plurality of perforation on the described wheel hub and is arranged at cover plate on the described noise reduction member.
In yet another preferred embodiment, described impeller also comprises guard shield, and described guard shield is connected to the outer ledge of described blade so that around described wheel hub and described blade.
Described fan comprises nozzle; Described nozzle comprises be used to the inner passage of accepting air-flow and is used for the relief opening of emission air-flow, and limits an opening, the air-flow that penetrates from described relief opening with the air intake of fan outside by described opening.
Described nozzle can limit a plurality of openings, and its opening can be various shape, can be circular, oval, round rectangle, also can be the part annular, can also be other shape.
Above-mentioned feature about first aspect of the present utility model also is applied to second aspect of the present utility model equally.
Description of drawings
Figure l is the front schematic view of fan of the present utility model.
Fig. 2 is the side view of fan shown in Figure 1.
Fig. 3 is the sectional view that A-the A line intercepts along fan shown in Figure 1.
Fig. 4 is the zoomed-in view of the impeller among Fig. 3.
Fig. 5 is the three-dimensional view after impeller shown in Figure 4 is removed guard shield.
Fig. 6 has showed the another kind of replacing structure of impeller.
Fig. 7 is the three-dimensional view after impeller shown in Figure 6 is removed guard shield.
Fig. 8 has showed another replacing structure of impeller.
Embodiment
Figure l is that Fig. 2 is the side view of fan shown in Figure 1 from the schematic representation of the fan of the present utility model of device forward observation, and Fig. 3 has shown the internal structure of fan shown in Figure 1.Can find out that from Fig. 1 to Fig. 3 this kind fan comprises pedestal 1 and the nozzle 2 that is arranged on the pedestal 1; Pedestal 1 comprises Base body 4 and is positioned at base portion 3 below the Base body 4, and Base body 4 has sidewall, and sidewall comprises air inlet 5, and air inlet 5 is the form of grid hole; Base body 4 comprises impeller chimney 10, is positioned at the impeller 11 of impeller chimney and the motor 15 of drives impeller rotary work, and impeller chimney 10 has air intlet 13 and air outlet slit 14; Nozzle 2 comprises receiving from the air outlet slit 14 of impeller chimney inner passage 7 and the relief opening 8 of air-flows, and nozzle 2 defines an opening 6, and this opening is to have an opening that circle lacks, and has axis X at the central part of this opening.In the present embodiment, Base body 4 relatively base portion 3 swings, and Base body 4 comprises top base main body 4a and bottom base main body 4b, and top base main body 4a can slide into oblique position with respect to bottom base main body 4b.
Fig. 4 is the zoomed-in view of the impeller among Fig. 3, and Fig. 5 is the three-dimensional view after impeller shown in Figure 4 is removed guard shield.From Fig. 4 and Fig. 5, can find out, impeller 11 comprise the general conical with central shaft hole 9 wheel hub 16, be connected to a plurality of blades 17 on the wheel hub, be connected to a plurality of noise reduction members 19 and guard shield 18 on the wheel hub 16, guard shield 18 is connected to the outer ledge of blade 17, wheel hub 16 has the windward side 21 that is connected with blade 17 and the lee face 22 that is not connected to connect blade 17, and a plurality of noise reduction members 19 are arranged on the windward side 21 of wheel hub 16.
In the present embodiment, noise reduction member 19 is the glass wool layer of thickness 2mm, and the glass wool layer is arranged on the partial Upwind face 21 of wheel hub 16.Usually, can the noise reduction member be set in the whole windward side 21 of wheel hub 16; Preferably, the partial Upwind face 21 at wheel hub 16 arranges the noise reduction member; More preferably, near the windward side the upper end of wheel hub 16 21 arranges the noise reduction member.
Can also see that in Fig. 4 after the partial Upwind face 21 of wheel hub 16 was provided with a plurality of noise reduction members, its part windward side that noise reduction member is not set was not concordant with the outer surface of noise reduction member.Preferably, should make the part windward side that the noise reduction member is not set concordant with the outer surface of noise reduction member, that is to say, should make those that part windward side indent of noise reduction member will be set.
During this kind fan work, be positioned at motor 15 drives impeller 11 rotary works of pedestal 1, air can be drawn into from the air inlet 5 that is positioned on the Base body 4, the air that enters in the Base body 4 is admitted to after boosting in the inner passage 7 of nozzle 2, and be deflated mouthfuls 8 ejections, being deflated mouthful 8 air-flows that spray from the air of fan outside by opening 6 entrainments, the air-flow that is ejected and the air-flow that is entrainmented consist of the total air flow that penetrates forward from nozzle 2, because this kind impeller is provided with the noise reduction member at wheel hub, the noise that its impeller produces obviously reduces.
Fig. 6 has showed the another kind of replacing structure of impeller, and Fig. 7 is the three-dimensional view after impeller shown in Figure 6 is removed guard shield.From Fig. 6 and Fig. 7, can find out, the impeller of present embodiment comprise the general conical with central shaft hole 9 wheel hub 16, be connected to a plurality of blades 17 on the wheel hub 16, be arranged at a plurality of perforation 20, noise reduction member 19 and guard shield 18 on the wheel hub 16, noise reduction member 19 is connected on the lee face 22 that wheel hub 16 do not connect blade.
Fig. 8 has showed another replacing structure of impeller.As can be seen from Figure 8, the impeller of present embodiment is similar to impeller shown in Figure 6, and just the impeller of present embodiment has increased the cover plate 12 that is arranged on the noise reduction member 19 on the basis of impeller shown in Figure 6.
The detailed description that the utility model is not limited to provide above.Those skilled in the art should be understood that deformation program of the present utility model.For example, the noise reduction member can have any suitable structure, and the density of noise reduction member and mass distribution can change.
Claims (10)
1. an impeller that is used for fan is characterized in that, described impeller comprise have central shaft hole (9) general conical wheel hub (16), be connected to a plurality of blades (17) on the described wheel hub and be connected to noise reduction member (19) on the described wheel hub.
2. such as the described impeller of claim l, it is characterized in that described noise reduction member is connected on the windward side (21) that described wheel hub is connected with described blade.
3. such as the described impeller of claim l, it is characterized in that described noise reduction member is connected on the lee face (22) that described wheel hub do not connect described blade.
4. such as the described impeller of claim l, it is characterized in that described noise reduction member is connected on the lee face (22) that described wheel hub do not connect described blade, and described impeller also comprises a plurality of perforation (20) that are arranged on the described wheel hub.
5. such as the described impeller of claim l, it is characterized in that, described noise reduction member is connected on the lee face (22) that described wheel hub do not connect described blade, and described impeller also comprises a plurality of perforation (20) that are arranged on the described wheel hub and is arranged at cover plate (12) on the described noise reduction member.
6. such as the described impeller of one of claim l to 5, it is characterized in that described impeller also comprises guard shield (18), described guard shield is connected to the outer ledge of described blade so that around described wheel hub and described blade.
7. such as the described impeller of one of claim l to 5, it is characterized in that described noise reduction member comprises acoustic foam.
8. such as the described impeller of one of claim 1 to 5, it is characterized in that described noise reduction member is connected with described wheel hub by binding agent.
9. impeller as claimed in claim 6 is characterized in that, described guard shield be shaped as substantially frustoconical.
10. a fan is characterized in that, described fan comprises such as the described impeller of one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220463275 CN202789711U (en) | 2012-09-12 | 2012-09-12 | Blade wheel and fan with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220463275 CN202789711U (en) | 2012-09-12 | 2012-09-12 | Blade wheel and fan with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789711U true CN202789711U (en) | 2013-03-13 |
Family
ID=47816979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220463275 Expired - Fee Related CN202789711U (en) | 2012-09-12 | 2012-09-12 | Blade wheel and fan with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789711U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013163925A1 (en) * | 2012-04-29 | 2013-11-07 | Ren Wenhua | Fan |
| CN103671244A (en) * | 2012-09-12 | 2014-03-26 | 任文华 | Impeller and fan comprising same |
| CN108825550A (en) * | 2018-08-30 | 2018-11-16 | 湖南机油泵股份有限公司 | A kind of impeller and water pump of the fast quick-detach of energy |
| CN111795001A (en) * | 2020-07-06 | 2020-10-20 | 追觅科技(上海)有限公司 | Impeller and bladeless fan |
-
2012
- 2012-09-12 CN CN 201220463275 patent/CN202789711U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013163925A1 (en) * | 2012-04-29 | 2013-11-07 | Ren Wenhua | Fan |
| CN103671244A (en) * | 2012-09-12 | 2014-03-26 | 任文华 | Impeller and fan comprising same |
| CN108825550A (en) * | 2018-08-30 | 2018-11-16 | 湖南机油泵股份有限公司 | A kind of impeller and water pump of the fast quick-detach of energy |
| CN111795001A (en) * | 2020-07-06 | 2020-10-20 | 追觅科技(上海)有限公司 | Impeller and bladeless fan |
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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: 20130313 Termination date: 20130912 |