CN203335472U - Axial flow fan - Google Patents
Axial flow fan Download PDFInfo
- Publication number
- CN203335472U CN203335472U CN2013203812327U CN201320381232U CN203335472U CN 203335472 U CN203335472 U CN 203335472U CN 2013203812327 U CN2013203812327 U CN 2013203812327U CN 201320381232 U CN201320381232 U CN 201320381232U CN 203335472 U CN203335472 U CN 203335472U
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- rotor
- stator
- axial
- fan blade
- flow blower
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Abstract
The utility model discloses an axial flow fan which comprises a support and a motor. The motor is of a structure with an outer rotor and an inner stator, the stator is hollow, and the two ends of the stator are open to form an inner venting channel communicated with external air. Thus, the weight of the axial flow fan is reduced, and energy is saved. A main fan blade and an auxiliary fan blade are arranged on the rotor, the main fan blade is fixedly arranged on the outer surface of the rotor, one end of the auxiliary fan blade is fixedly connected with the rotor, and the other end of the auxiliary fan blade extends to the opening position at one end of the stator. The rotor can rotate to drive the main fan blade and the auxiliary fan blade to rotate together, and air flow can flow in the inner venting channel of the stator, so that the efficiency of the axial flow fan is improved. Furthermore, heat generated by operation of the axial flow fan can be taken away, the service life of the axial flow fan is prolonged, and the defects that a traditional fan is high in energy consumption, low in efficiency and short in service life due to the fact that a motor of the traditional fan is prone to overheating are overcome.
Description
Technical field
The utility model relates to a kind of blower fan, particularly a kind of axial-flow blower.
Background technique
Blower fan is the mechanical energy that relies on input, improves supply gas the side by side machinery of body of gas pressure.The mechanical energy of rotating by handle is converted to gas pressure energy and kinetic energy, and a kind of machinery that gas is transferred out.And the height of the size of the power consumption of blower fan, efficiency is the focus that the user pays close attention to always.Traditional blower fan generally has that power consumption is high, efficiency is low, the easy overheated short shortcoming of service life of fan that causes of motor.
The model utility content
The utility model has overcome above-mentioned the deficiencies in the prior art, provides a kind of long service life, the axial-flow blower low, that efficiency is high consumes energy.
The technical solution of the utility model is achieved in that
A kind of axial-flow blower, comprise bearing, motor, described motor is external rotor inner stator structure, stator is fixedly mounted on bearing, is respectively equipped with rotor winding, staor winding on rotor, stator, and stator hollow and both ends open form with ambient air and keep the interior ventilation flue connected, be provided with main blade and secondary fan blade on rotor, main blade is fixedly installed on the outer surface of rotor, and an end and the rotor of secondary fan blade are fixedly linked, and the other end of secondary fan blade extends to an end of interior ventilation flue; Stator hollow, not only reserved an interior ventilation flue, also alleviated the weight of axial-flow blower, is beneficial to installation; The rotor running can drive main blade and turn round together with secondary fan blade, and air draught also flows from stator interior, has improved the efficiency of axial-flow blower, and takes away the heat that the axial-flow blower running produces, the working life of having improved axial-flow blower.
In order to improve the working efficiency of axial-flow blower, as preferably, along the blower fan axial direction, described main blade is set to multilayer, and, along the blower fan circumferential direction, main blade is the setting of staggering each other.
As preferably, described bearing comprises housing, middle part at housing is provided with center ring, stator is arranged on center ring by bolt, the formation ventilated port corresponding with hollow stator and secondary fan blade in center ring, a plurality of supporting ribs that are connected with housing are arranged along the center ring periphery to external radiation, form the ventilation flue corresponding with main blade between supporting rib.Air draught flows from ventilation flue, ventilated port, has improved the efficiency of axial-flow blower.
In order to facilitate the dismounting of secondary fan blade, as preferably, secondary fan blade and rotor are bolted.
As preferably, described staor winding, rotor winding all are arranged in the zone between stator and rotor.
As preferably, be provided with bearing between stator and rotor, be provided with seal ring in the bearing outside, be provided with the location jump ring in the bearing inboard.Friction factor and retainer shaft central position that bearing reduces in power transmission process are fixed; Seal ring prevents that the lubricant oil of bearing from spilling and foreign object is invaded; Jump ring rigid bearing position, prevent the bearing skew.
Adopted working principle of the present utility model and the beneficial effect of technique scheme to be:
Blower fan of the present utility model adopts the structure of inner stator external rotor, and main blade is installed on external rotor, and stator hollow and both ends open form with ambient air and keep the interior ventilation flue connected, and at an end of interior ventilation flue, is provided with the secondary fan blade rotated together with rotor; Stator hollow, reduced the weight of axial-flow blower, energy saving; The rotor running can drive main blade and turn round together with secondary fan blade, and secondary fan blade running makes air draught flow from interior ventilation flue, has improved the efficiency of axial-flow blower, and takes away the heat that the axial-flow blower running produces, the working life of having improved axial-flow blower.
The accompanying drawing explanation
The cross sectional representation that Fig. 1 is embodiment's Axial-Flow blower fan;
The B that Fig. 2 is Fig. 1 is to view;
The A that Fig. 3 is Fig. 1 is to view.
Embodiment
Embodiment of the present utility model is as follows:
Embodiment: a kind of axial-flow blower, as shown in Figure 1, comprise bearing 3, motor, described motor is external rotor inner stator structure, stator 2 is fixedly mounted on bearing 3, be respectively equipped with rotor winding 4, staor winding 5 on rotor 1, stator 2, described staor winding 5, rotor winding 4 all are arranged in the zone between stator 2 and rotor 1; Be provided with bearing 14 between stator 2 and rotor 1, can reduce the friction between each parts of axial-flow blower, in bearing 14 outsides, be provided with seal ring 16, be provided with location jump ring 15 in bearing 14 inboards; Stator 2 hollows and both ends open form with ambient air and keep the interior ventilation flue 17 connected, be provided with main blade 6 and secondary fan blade 7 on rotor 1, main blade 6 is fixedly installed on the outer surface of rotor 1, one end and the rotor 1 of secondary fan blade 7 are fixedly linked, and the other end of secondary fan blade 7 extends to the aperture position place of stator 2 one ends.
As shown in Figure 1,3, rotor 1 running can drive main blade 6 and turn round together with secondary fan blade 7, and air draught flows from interior ventilation flue 17, has improved the efficiency of axial-flow blower, and takes away the heat that the axial-flow blower running produces, the working life of having improved axial-flow blower.In order to facilitate the dismounting of secondary fan blade 7, secondary fan blade 7 is connected by bolt 13 with rotor 1.
As shown in Figure 1, along the blower fan axial direction, described main blade 6 is set to 3 layers, and, along the blower fan circumferential direction, main blade 6 is the setting of staggering each other.Rotor 1 running drives main blade 6 runnings of 3 layers, has improved the working efficiency of axial-flow blower.
As shown in Figure 2,3, described bearing 3 comprises housing, be provided with center ring 8 at the middle part of housing, stator 2 is arranged on center ring 8 by bolt 9, the ventilated port 10 that the interior formation of center ring 8 is corresponding with stator 2 and secondary fan blade 7, a plurality of supporting ribs that are connected with housing 11 are arranged along center ring 8 peripheries to external radiation, form the ventilation flue 12 corresponding with main blade 6 between supporting rib 11.
Claims (6)
1. an axial-flow blower, comprise bearing, motor, described motor is external rotor inner stator structure, stator is fixedly mounted on bearing, be respectively equipped with rotor winding, staor winding on rotor, stator, it is characterized in that: stator hollow and both ends open form with ambient air and keep the interior ventilation flue connected, be provided with main blade and secondary fan blade on rotor, main blade is fixedly installed on the outer surface of rotor, one end and the rotor of secondary fan blade are fixedly linked, and the other end of secondary fan blade extends to an end of interior ventilation flue.
2. a kind of axial-flow blower according to claim 1 is characterized in that: along the blower fan axial direction, described main blade is set to multilayer, and, along the blower fan circumferential direction, main blade is the setting of staggering each other.
3. a kind of axial-flow blower according to claim 1, it is characterized in that: described bearing comprises housing, middle part at housing is provided with center ring, stator is arranged on center ring by bolt, form the ventilated port corresponding with the interior ventilation flue of stator in center ring, a plurality of supporting ribs that are connected with housing are arranged along the center ring periphery to external radiation, form the separate ventilation road corresponding with main blade between supporting rib.
4. a kind of axial-flow blower according to claim 1, it is characterized in that: secondary fan blade and rotor are bolted.
5. a kind of axial-flow blower according to claim 1, it is characterized in that: described staor winding, rotor winding all are arranged in the zone between stator and rotor.
6. a kind of axial-flow blower according to claim 1, is characterized in that: be provided with bearing between stator and rotor, in the bearing outside, be provided with seal ring, in the bearing inboard, be provided with the location jump ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203812327U CN203335472U (en) | 2013-06-28 | 2013-06-28 | Axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203812327U CN203335472U (en) | 2013-06-28 | 2013-06-28 | Axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335472U true CN203335472U (en) | 2013-12-11 |
Family
ID=49704149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203812327U Expired - Fee Related CN203335472U (en) | 2013-06-28 | 2013-06-28 | Axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321958A (en) * | 2013-06-28 | 2013-09-25 | 周峰 | Axial-flow fan |
-
2013
- 2013-06-28 CN CN2013203812327U patent/CN203335472U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321958A (en) * | 2013-06-28 | 2013-09-25 | 周峰 | Axial-flow 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: 20131211 Termination date: 20140628 |
|
| EXPY | Termination of patent right or utility model |