CN202718929U - Air guide structure and electric fan - Google Patents
Air guide structure and electric fan Download PDFInfo
- Publication number
- CN202718929U CN202718929U CN 201220248460 CN201220248460U CN202718929U CN 202718929 U CN202718929 U CN 202718929U CN 201220248460 CN201220248460 CN 201220248460 CN 201220248460 U CN201220248460 U CN 201220248460U CN 202718929 U CN202718929 U CN 202718929U
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- CN
- China
- Prior art keywords
- synchronous machine
- axle sleeve
- inducer
- guiding structure
- wind guiding
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an air guide structure which comprises a synchronous motor provided with a rotating shaft, a synchronous motor shaft sleeve, an air guide wheel and a spacing cover, wherein the synchronous motor shaft sleeve is provided with an elastic piece capable of deforming forward and backward; the rear end face of the air guide wheel is provided with a rack; the rack is provided with multiple tooth sockets; the synchronous motor shaft sleeve is sleeved on the rotating shaft of the synchronous motor; the air guide wheel is arranged at the front end of the synchronous motor shaft sleeve; the front end of the elastic piece is arranged in the tooth sockets; and the spacing cover is arranged at the front end of the air guide wheel and fixedly connected with the synchronous motor shaft sleeve so as to space the forward displacement of the air guide wheel. The air guide structure provided by the utility model can be used for effectively preventing the phenomenon that the synchronous motor frequently jumps positively and negatively due to the abnormal toggling or rotation stopping of the air guide wheel, and prolonging the service life of the synchronous motor. The utility model further provides an electric fan utilizing the air guide structure.
Description
[technical field]
The utility model relates to field of household appliances, relates in particular to a kind of wind guiding structure and uses the electric fan of this wind guiding structure.
[background technique]
Axial flow fan with flow guide of the prior art generally all is equipped with wind guiding structure, and wind guiding structure comprises synchronous machine, inducer and axle sleeve, and inducer is socketed on the axle sleeve regularly, and axle sleeve is socketed on the synchronous machine, and is fixedly connected with by pin.When opening the electric fan pivoted hinge, synchronous machine rotates, and it drives axle sleeve and rotates, and axle sleeve drives inducer and rotates; But when electric fan also when using pivoted hinge, if inducer can not be with synchronous electric machine rotation owing to be subjected to external force, synchronous machine will positive and negative frequent redirect, also can bring infringement to synchronous machine.
[model utility content]
First technical problem to be solved in the utility model provides a kind of wind guiding structure, can effectively prevent improper stirring or the positive and negative frequent redirect of synchronous machine that the spline inducer causes, improves the synchronous machine life-span.
Second technical problem to be solved in the utility model provides a kind of electric fan, can effectively prevent improper stirring or the positive and negative frequent redirect of synchronous machine that the spline inducer causes, improves the synchronous machine life-span.
Above-mentioned first technical problem solves by the following technical programs:
A kind of wind guiding structure is characterized in that, comprising: be provided with the synchronous machine of rotating shaft, synchronous machine axle sleeve, inducer, limited cover; Synchronous motor shaft is arranged with the elastic component that can do along front and back deformation; The inducer ear end face is provided with tooth bar, and tooth bar is provided with a plurality of teeth groove; The synchronous machine axle sleeve is socketed in the rotating shaft of synchronous machine; Inducer is located at the front end of synchronous machine axle sleeve, and the front end of elastic component places described teeth groove; Limited cover places the front end of inducer and is fixedly connected with to limit the forward direction displacement of inducer with the synchronous machine axle sleeve.
Described elastic component is the elastic arm of being located at the synchronous machine axle sleeve and can doing along front and back deformation, and the front-end face of described elastic arm is provided with for the projection that places described teeth groove.
Described elastic arm is U-shaped shape or direct rod shape.
The quantity of described elastic arm is more than four and four, and described elastic arm is circular to be located at around the radial outer end of synchronous machine axle sleeve.
Described inducer is provided with port in first, and described limited cover places the front end of described the first port, and described limited cover is fixedly connected with the synchronous machine axle sleeve along port in described first.
Also comprise cap, described limited cover is provided with port in second, and described cap is covered on the front end of described limited cover and is fixedly connected with the synchronous machine axle sleeve along port in the port, described second in described first.
Described synchronous motor shaft is arranged with toward lordosis and is used for putting the hollow convex column of described rotating shaft, and described hollow convex column passes that port is threaded with described cap in the port in described first, described second.
The rounded shape of described tooth bar.
As seen from the above technical solution, the utility model setting can cooperate with the tooth bar of inducer ear end face along the elastic component of front and back deformation, under the synchronous machine normal rotation, inducer is subjected to external force spline or improper stirring, because it is larger that the opplied moment of de-rotation is done in the rotating shaft of driving synchronous machine, the opplied moment of teeth groove countershaft is less, deformation occurs in elastic component backward under the inhibition power of tooth bar, elastic component breaks away from residing teeth groove, synchronous machine also continues normal rotation like this, can not take a turn for the worse, avoid impaired.
Above-mentioned second technical problem solves by the following technical programs:
A kind of electric fan, it comprises wind guiding structure, it is characterized in that, described wind guiding structure comprises: be provided with the synchronous machine of rotating shaft, synchronous machine axle sleeve, inducer, limited cover; Synchronous motor shaft is arranged with the elastic component that can do along front and back deformation; The inducer ear end face is provided with tooth bar, and tooth bar is provided with a plurality of teeth groove; The synchronous machine axle sleeve is socketed in the rotating shaft of synchronous machine; Inducer is located at the front end of synchronous machine axle sleeve, and the front end of elastic component places described teeth groove; Limited cover places the front end of inducer and is fixedly connected with to limit the forward direction displacement of inducer with the synchronous machine axle sleeve.
Described elastic component is the elastic arm of being located at the synchronous machine axle sleeve and can doing along front and back deformation, and the front-end face of described elastic arm is provided with for the projection that places described teeth groove.
As seen from the above technical solution, the utility model is by arranging the wind guiding structure of said structure, can effectively prevent improper stirring or the positive and negative frequent redirect of synchronous machine that the spline inducer causes, improves the synchronous machine life-span.
[description of drawings]
Fig. 1 is the blast structural representation of embodiment one wind guiding structure;
Fig. 2 is the front front schematic view of embodiment one synchronous machine axle sleeve;
Fig. 3 is that Fig. 2 is along the cross-sectional schematic of A-A;
Fig. 4 is the angle schematic representation from back to front of embodiment one synchronous machine axle sleeve;
Fig. 5 is the angle schematic representation from front to back of embodiment one synchronous machine axle sleeve;
Fig. 6 is the angle schematic representation from back to front of embodiment one inducer;
Fig. 7 is the B part enlarged diagram of Fig. 6;
Fig. 8 is the angle schematic representation from front to back of embodiment one limited cover;
Fig. 9 is the sectional structure schematic representation of embodiment one wind guiding structure;
Figure 10 is the C part enlarged diagram of Fig. 9.
[embodiment]
Embodiment one
As shown in Figure 1, for convenience of description, before this definition axially along the A direction is, be called sagittal plane with axial vertical face.A kind of wind guiding structure that present embodiment provides comprises that one is provided with synchronous machine 1, the one synchronous motor shaft sleeve 2 of rotating shaft 101, one axle sleeve fixing pin 3, one inducer 4, that is provided with port 401 in first is provided with 5, four retaining screws 6 of limited cover and a cap 7 of port 501 in second;
Extremely shown in Figure 5 such as Fig. 2, synchronous machine axle sleeve 2 is provided with toward lordosis and is used for putting the hollow convex column 201 of rotating shaft 101, the outer wall of hollow convex column 201 is provided with screw thread, synchronous machine axle sleeve 2 is provided with four elastic components 202 that also can in axial direction be out of shape around hollow convex column 201, elastic component 202 is U-shaped shape, the place ahead of elastic component 202 is provided with projection 203, and the front-end face of synchronous machine axle sleeve 2 is provided with four screw columns 204;
As shown in Figure 6 and Figure 7, inducer 4 ear end faces are provided with along the tooth bar 402 of the 401 circular distributions of port in first, and tooth bar 402 is provided with a plurality of teeth groove 421; The hollow convex column 201 of synchronous machine axle sleeve 2 is set in the rotating shaft 101 of synchronous machine 1, and axle sleeve fixing pin 3 passes rotating shaft 101 and keeps relative fixing with hollow convex column 201 and with rotating shaft 101 with synchronous machine axle sleeve 2;
As shown in Figure 8, limited cover 5 is provided with and centers on four connecting through holes 502 that port 501 distributes in second;
As shown in Figure 9 and Figure 10, inducer 4 is located at the front end of synchronous machine axle sleeve 2, and projection 203 places the teeth groove 421 of tooth bar 402; Limited cover 5 be stuck in inducer 4 first in the front end of port 401, four retaining screws 6 pass accordingly and pass middle port 401 behind four connecting through holes 502 of limited cover 5 and be connected to four screw columns 204, under the effect of retaining screw 6, the forward direction displacement of limited cover 5 restriction inducers 4;
The working principle of this wind guiding structure is:
In addition, when synchronous machine 1 is not worked, inducer 4 is subjected to improper factor and rotates, because the rotation of rotating shaft 101 needs larger moment (in actual design, the opplied moment (can adjust by the elasticity indexes of adjusting elastic component 202) that requires teeth groove 421 countershafts 101 is less than the opplied moment of can drive shaft 101 doing de-rotation), tooth bar 402 rotations are ordered about elastic component 202 deformation are occured vertically, projection 203 breaks away from residing teeth groove 421, thereby inducer 4 is with motionless rotating shaft 101 to rotate.
Embodiment two
What present embodiment and embodiment one were different is that in the present embodiment, elastic component 202 is the straight rod type shape.
Embodiment three
This enforcement provides a kind of electric fan, and it comprises embodiment's one described wind guiding structure; Its working principle is referring to embodiment one.
The utility model is not limited to above-described embodiment; For example, the quantity of above-mentioned elastic component can be for not only being four a plurality of; Therefore, based on simple replacement above-described embodiment and that do not make creative work, should belong to the scope that the utility model discloses.
Claims (10)
1. a wind guiding structure is characterized in that, comprising: be provided with the synchronous machine of rotating shaft, synchronous machine axle sleeve, inducer, limited cover; Synchronous motor shaft is arranged with the elastic component that can do along front and back deformation; The inducer ear end face is provided with tooth bar, and tooth bar is provided with a plurality of teeth groove; The synchronous machine axle sleeve is socketed in the rotating shaft of synchronous machine; Inducer is located at the front end of synchronous machine axle sleeve, and the front end of elastic component places described teeth groove; Limited cover places the front end of inducer and is fixedly connected with to limit the forward direction displacement of inducer with the synchronous machine axle sleeve.
2. wind guiding structure according to claim 1 is characterized in that, described elastic component is the elastic arm of being located at the synchronous machine axle sleeve and can doing along front and back deformation, and the front-end face of described elastic arm is provided with for the projection that places described teeth groove.
3. wind guiding structure according to claim 2 is characterized in that, described elastic arm is U-shaped shape or direct rod shape.
4. wind guiding structure according to claim 3 is characterized in that, the quantity of described elastic arm is more than four and four, and described elastic arm is circular to be located at around the radial outer end of synchronous machine axle sleeve.
5. according to claim 1 to the described wind guiding structure of 4 any one, it is characterized in that, described inducer is provided with port in first, and described limited cover places the front end of described the first port, and described limited cover is fixedly connected with the synchronous machine axle sleeve along port in described first.
6. wind guiding structure according to claim 5, it is characterized in that, also comprise cap, described limited cover is provided with port in second, and described cap is covered on the front end of described limited cover and is fixedly connected with the synchronous machine axle sleeve along port in the port, described second in described first.
7. wind guiding structure according to claim 6, it is characterized in that, described synchronous motor shaft is arranged with toward lordosis and is used for putting the hollow convex column of described rotating shaft, and described hollow convex column passes that port is threaded with described cap in the port in described first, described second.
8. according to claim 1 to the described wind guiding structure of 4 any one, it is characterized in that the rounded shape of described tooth bar.
9. electric fan, it comprises wind guiding structure, it is characterized in that, described wind guiding structure comprises: be provided with the synchronous machine of rotating shaft, synchronous machine axle sleeve, inducer, limited cover; Synchronous motor shaft is arranged with the elastic component that can do along front and back deformation; The inducer ear end face is provided with tooth bar, and tooth bar is provided with a plurality of teeth groove; The synchronous machine axle sleeve is socketed in the rotating shaft of synchronous machine; Inducer is located at the front end of synchronous machine axle sleeve, and the front end of elastic component places described teeth groove; Limited cover places the front end of inducer and is fixedly connected with to limit the forward direction displacement of inducer with the synchronous machine axle sleeve.
10. electric fan according to claim 9 is characterized in that, described elastic component is the elastic arm of being located at the synchronous machine axle sleeve and can doing along front and back deformation, and the front-end face of described elastic arm is provided with for the projection that places described teeth groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220248460 CN202718929U (en) | 2012-05-29 | 2012-05-29 | Air guide structure and electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220248460 CN202718929U (en) | 2012-05-29 | 2012-05-29 | Air guide structure and electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202718929U true CN202718929U (en) | 2013-02-06 |
Family
ID=47620753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220248460 Expired - Lifetime CN202718929U (en) | 2012-05-29 | 2012-05-29 | Air guide structure and electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202718929U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015047A (en) * | 2016-06-29 | 2016-10-12 | 珠海格力电器股份有限公司 | Fan |
| CN106402313A (en) * | 2016-10-20 | 2017-02-15 | 珠海格力电器股份有限公司 | Transmission assembly and rotary fan provided with same |
-
2012
- 2012-05-29 CN CN 201220248460 patent/CN202718929U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015047A (en) * | 2016-06-29 | 2016-10-12 | 珠海格力电器股份有限公司 | Fan |
| CN106402313A (en) * | 2016-10-20 | 2017-02-15 | 珠海格力电器股份有限公司 | Transmission assembly and rotary fan provided with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |
|
| CX01 | Expiry of patent term |