CN203453139U - Fan with fan wheel pressed down by magnetic attraction - Google Patents
Fan with fan wheel pressed down by magnetic attraction Download PDFInfo
- Publication number
- CN203453139U CN203453139U CN201320467145.3U CN201320467145U CN203453139U CN 203453139 U CN203453139 U CN 203453139U CN 201320467145 U CN201320467145 U CN 201320467145U CN 203453139 U CN203453139 U CN 203453139U
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- China
- Prior art keywords
- impeller
- fan
- metal inner
- lug boss
- surface face
- 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 - Fee Related
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- 239000002184 metal Substances 0.000 claims abstract description 43
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a fan with a fan wheel pressed downwards by magnetic attraction. The fan comprises an outer shell, a stator set, a rotor fan wheel set and a protrusion structure, wherein the outer shell is provided with a metal inner wall face, the stator set is arranged on the metal inner wall face, the rotor fan wheel set is connected to the metal inner wall face in a rotatable mode, the rotor fan wheel set comprises magnetic rotors and the fan wheel, the magnetic rotors surround the stator set, the fan wheel is fixedly arranged on the magnetic rotors, the protrusion structure comprises at least one protrusion portion protruding out of the metal inner wall face, and the protrusion portions correspond to the magnetic rotors at intervals to magnetically attract the fan wheel to be pressed down in the direction of the metal inner wall face. Therefore, the fan wheel is prevented from floating upwards and shaking during rotation, abnormal noise can be avoided, and the failure rate is reduced.
Description
Technical field
The utility model is about a kind of fan, and particularly a kind of impeller is subject to the fan that magnetic presses down.
Background technique
For being applicable to more and more compact electronic equipment, developed quite thin flat fan at present.
Existing flat fan comprises shell, is fixedly arranged on the stator pack in shell and covers the rotor impeller group outside stator pack, and in shell, be equipped with bearing, the axle of rotor impeller group is connected in bearing, and then can rotate.Stator pack has circuit board and is equipped on silicon steel plate and the coil of circuit board.Rotor impeller group comprises impeller and is fixedly arranged on the magnet rotor in impeller.After stator pack energising, will drive with magnet rotor generation effect impeller rotation.
Yet, the impeller of existing flat fan, the situation of wafing on having when rotated easily, causes impeller to produce and rocks, and send different sound because rock in rotation, easily causes fan failure after a period of time.
Model utility content
In view of this, the fan that provides a kind of impeller pressed down by magnetic is provided main purpose of the present utility model, makes impeller can avoid when rotated wafing and rocking, and then can also avoid sending different sound and reduce rate of fault.
For achieving the above object, the fan that the utility model provides a kind of impeller pressed down by magnetic, this fan comprises: shell, has metal inner surface face; Stator pack, is arranged at described metal inner surface face; Rotor impeller group, is connected in described metal inner surface face rotationally, and this rotor impeller group comprises the magnet rotor and the impeller that is fixedly arranged on this magnet rotor around described stator pack; And protruding structure, comprise at least one lug boss that protrudes from described metal inner surface face, this lug boss interval corresponding to described magnet rotor described in magnetic attraction impeller towards the direction of described metal inner surface face, press down.
Further, described lug boss forms from described metal inner surface face one projection.
Further, described lug boss is can be by the metal material of described magnet rotor institute magnetic attraction.
Further, described lug boss forms from the punching of described shell one, and described lug boss also protrudes from described metal inner surface face.
Further, described lug boss is towards the direction projection of described magnet rotor.
Further, described protruding structure also comprises at least one opening portion that is opened in described metal inner surface face, and described lug boss is to being connected in described metal inner surface face by opening portion.
Further, described lug boss is most and arranges, described in each lug boss all interval corresponding to described magnet rotor.
Further, the described metal inner surface face of described shell is provided with axle sleeve, in this axle sleeve, is fixed with bearing, and described rotor impeller group is coupling and can rotates in described bearing; Described impeller comprises wheel hub, protrude from the axle at this hub axis place and be connected in the majority blade of these wheel hub outer periphery, and described magnet rotor is fixedly arranged on the inner circumference edge of described wheel hub, and described axle is connected in described metal inner surface face rotationally.
Further, described stator pack comprises circuit board, and the corresponding described lug boss of this circuit board offers at least one breach, and described lug boss is avoided the obstruct of described circuit board by this breach.
Further, described stator pack also comprises the majority silicon steel plate being arranged on described circuit board and the coil that is wound in this silicon steel plate.
Compared to prior art, the utlity model has following effect: impeller can be pressed down because of magnetic attraction, thereby when rotated,, impeller can press down magnetic attraction and on avoiding, wafts and rock because of this, and then reduce rate of fault and can not send different sound when rotated.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view of fan of the present utility model;
Fig. 2 is the solid combination schematic diagram of fan of the present utility model when overlooking;
Fig. 3 is the solid combination schematic diagram of fan of the present utility model when looking up;
Fig. 4 is the cross-sectional schematic of fan of the present utility model;
Fig. 5 is that fan of the present utility model is according to the local enlarged diagram of Fig. 4.
Description of reference numerals
1 shell 11 first housings
12 second housing 121 metal inner surface faces
122 axle sleeve 13 bearings
14 exhaust outlet 2 protruding structures
21 opening portion 22 lug bosses
3 stator pack 30 perforation
31 circuit board 311 breach
32 silicon steel plate 33 coils
4 rotor impeller group 41 impellers
411 wheel hub 412 blades
413 axle 42 magnet rotors
Embodiment
Relevant the technical content and a detailed description of the present utility model, are described as follows cooperation accompanying drawing, yet appended accompanying drawing is only as illustrative purposes, not for limiting to the utility model.
The fan that the utility model provides a kind of impeller pressed down by magnetic, as shown in Figure 4, the magnet rotor 42 that lug boss 22 intervals that utilize shell 1 have corresponding to rotor impeller group 4 originally and magnetic attraction each other makes impeller 41 press down because of this magnetic attraction.For fan of the present utility model, by take, as heat transmission and as flat fan as example, describe below, this fan comprises: shell 1, protruding structure 2, stator pack 3 and rotor impeller group 4, stator pack 3 is wherein connected with electric wire (in figure not tag).
As shown in Figures 1 to 4, shell 1 can be integrated type shell, is sectional casing as shown in the figure in the present embodiment, and the utility model is not restricted to this.As shown in the figure, shell 1 comprise can combination with one another the first housing 11 and the second housing 12, the first housings 11 and the second housing 12 combinations after be formed with exhaust outlet 14.The second housing 12 has metal inner surface face 121, and metal inner surface face 121 can connect rotationally for rotor impeller group 4, and in the present embodiment, metal inner surface face 121 is also provided with axle sleeve 122, is fixed with the bearing 13 connecting for rotor impeller group 4 in axle sleeve 122.
Protruding structure 2 comprises at least one lug boss 22 that protrudes from metal inner surface face 121, in the present embodiment, protruding structure 2 also comprises at least one opening portion 21 that is opened in metal inner surface face 121, the corresponding opening portion 21 of lug boss 22 is connected in metal inner surface face 121, particularly, for the mode by one punching on the second housing 12 forms the opening portion 21 that is connected with tongue piece, by bending, tongue piece is bent into required lug boss 22 again, make lug boss 22 protrude from metal inner surface face 121, and protruding towards the direction of magnet rotor 42.Lug boss 22 also can form (not shown) from metal inner surface face 121 one projections.In addition, protruding structure 2 can also be implemented with the form that comprises most opening portions 21 and most lug bosses 22, and the utility model is not limited.
As long as the material of lug boss 22 can be by magnet rotor 42 magnetic attraction, therefore, lug boss 22 can be to form from metal inner surface face 121 one projections or from the second housing 12 one projections of metal material, to mold the lug boss 22 of metal material; In addition, lug boss 22 can also plate required metal layer again for moulding goods, and they also can be by magnet rotor 42 magnetic attraction.
As shown in Figure 4, Figure 5, each lug boss 22 of above-mentioned protruding structure 2 all interval corresponding to magnet rotor 42, make lug boss 22 and magnet rotor 42 magnetic attraction (as being in Fig. 5 as shown in a plurality of arrow respect to one another) each other, impeller 41 presses down towards the direction of metal inner surface face 121 because of this magnetic attraction, therefore, after utilizing said wires to stator pack 3 energisings, stator pack 3 will drive with magnet rotor 42 generation effects impeller 41 rotation, via blade 412, agitate to pass through exhaust outlet 14 air-out; And when rotated, impeller 41 can press down magnetic attraction and on avoiding, wafts and rock because of this, and then reduce rate of fault and can not send different sound when rotated.
In addition,, if when the lug boss 22 in fan of the present utility model is only single quantity, can implement (not shown) with ring-like lug boss; If in the time of most, can implement with the lug boss 22 of tab-like as shown in the figure.
In sum, the utility model has following effect compared to prior art: can utilize the magnet rotor 42 originally having to offer lug boss 22 magnetic attraction, so that impeller 41 can press down because of this magnetic attraction, thereby when rotated, impeller 41 can press down magnetic attraction and on avoiding, wafts and rock because of this, and then reduce rate of fault and can not send different sound when rotated.
In addition, the utility model also has other effect: by lug boss 22, directly from metal inner surface face 121 moulding of shell 1, therefore do not need additionally to set up in order to by the metalwork of magnet rotor 42 magnetic attraction, have cost-effective effect; In addition, shell 1 or metal inner surface face 121 all belong to absolute fixed object, even because use for a long time under hot environment, the situation that also can not be distorted and be out of shape, each lug boss 22 can be remained on identical horizontal line for a long time, thereby guarantee that impeller 41 when rotated can be not crooked.
The above, be only illustrating of preferred embodiment of the present utility model, and not in order to limit to protection domain of the present utility model, other any equivalent transformation all should belong to the application's claim scope.
Claims (10)
1. impeller is subject to the fan that magnetic presses down, and it is characterized in that, this fan comprises:
Shell, has metal inner surface face;
Stator pack, is arranged at described metal inner surface face;
Rotor impeller group, is connected in described metal inner surface face rotationally, and this rotor impeller group comprises the magnet rotor and the impeller that is fixedly arranged on this magnet rotor around described stator pack; And
Protruding structure, comprises at least one lug boss that protrudes from described metal inner surface face, this lug boss interval corresponding to described magnet rotor described in magnetic attraction impeller towards the direction of described metal inner surface face, press down.
2. impeller as claimed in claim 1 is subject to the fan that magnetic presses down, and it is characterized in that, described lug boss forms from described metal inner surface face one projection.
3. impeller as claimed in claim 1 is subject to the fan that magnetic presses down, and it is characterized in that, described lug boss is can be by the metal material of described magnet rotor magnetic attraction.
4. impeller as claimed in claim 1 is subject to the fan that magnetic presses down, and it is characterized in that, described lug boss forms from the punching of described shell one, and described lug boss protrudes from described metal inner surface face.
5. impeller as claimed in claim 1 is subject to the fan that magnetic presses down, and it is characterized in that, described lug boss is towards the direction projection of described magnet rotor.
6. impeller as claimed in claim 1 is subject to the fan that magnetic presses down, and it is characterized in that, described protruding structure also comprises at least one opening portion that is opened in described metal inner surface face, and described lug boss is to being connected in described metal inner surface face by opening portion.
7. impeller as claimed in claim 1 is subject to the fan that magnetic presses down, and it is characterized in that, described lug boss is most, described in each lug boss all interval corresponding to described magnet rotor.
8. impeller as claimed in claim 1 is subject to the fan that magnetic presses down, and it is characterized in that, the described metal inner surface face of described shell is provided with axle sleeve, in this axle sleeve, is fixed with bearing, and described rotor impeller group is coupling and can rotates in described bearing; Described impeller comprises wheel hub, protrude from the axle at this hub axis place and be connected in the majority blade of these wheel hub outer periphery, and described magnet rotor is fixedly arranged on the inner circumference edge of described wheel hub, and described axle is connected in described metal inner surface face rotationally.
9. impeller as claimed in claim 1 is subject to the fan that magnetic presses down, and it is characterized in that, described stator pack comprises circuit board, and the corresponding described lug boss of this circuit board offers at least one breach, and described lug boss is avoided the obstruct of described circuit board by this breach.
10. impeller as claimed in claim 9 is subject to the fan that magnetic presses down, and it is characterized in that, described stator pack also comprises the majority silicon steel plate being arranged on described circuit board and is wound in the coil of this silicon steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467145.3U CN203453139U (en) | 2013-08-01 | 2013-08-01 | Fan with fan wheel pressed down by magnetic attraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467145.3U CN203453139U (en) | 2013-08-01 | 2013-08-01 | Fan with fan wheel pressed down by magnetic attraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453139U true CN203453139U (en) | 2014-02-26 |
Family
ID=50133018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320467145.3U Expired - Fee Related CN203453139U (en) | 2013-08-01 | 2013-08-01 | Fan with fan wheel pressed down by magnetic attraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203453139U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782081A (en) * | 2014-12-09 | 2016-07-20 | 建准电机工业股份有限公司 | Heat radiation fan |
| CN105827046A (en) * | 2014-12-30 | 2016-08-03 | 建准电机工业股份有限公司 | Motor and cooling fan with same |
-
2013
- 2013-08-01 CN CN201320467145.3U patent/CN203453139U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782081A (en) * | 2014-12-09 | 2016-07-20 | 建准电机工业股份有限公司 | Heat radiation fan |
| CN105782081B (en) * | 2014-12-09 | 2018-09-14 | 建准电机工业股份有限公司 | Heat radiation fan |
| CN105827046A (en) * | 2014-12-30 | 2016-08-03 | 建准电机工业股份有限公司 | Motor and cooling fan with same |
| CN105827046B (en) * | 2014-12-30 | 2018-08-24 | 建准电机工业股份有限公司 | Motor and cooling fan with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151012 Address after: 215127 Wuzhong District, Suzhou, Luzhi Changhong Town, South Road, No. 68 Patentee after: Three carpenter Technology (Suzhou) Co., Ltd. Address before: China Taiwan New Taipei City area Liancheng Road No. 192-1 floor 2 Patentee before: Li Minglie |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20170801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |