CN100439719C - Dual-vane electric fan with balancing main shaft - Google Patents
Dual-vane electric fan with balancing main shaft Download PDFInfo
- Publication number
- CN100439719C CN100439719C CNB2005100751533A CN200510075153A CN100439719C CN 100439719 C CN100439719 C CN 100439719C CN B2005100751533 A CNB2005100751533 A CN B2005100751533A CN 200510075153 A CN200510075153 A CN 200510075153A CN 100439719 C CN100439719 C CN 100439719C
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- main shaft
- positioning part
- motor
- blade unit
- hub portion
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Abstract
The present invention discloses a dual-vane electric fan with a balancing main shaft, which comprises a motor, two vane units, two locking elements and a support unit, wherein the vane units are arranged on a main shaft of the motor, the locking elements lock and position the vane units, and the support unit is used for positioning the motor. Both ends of the main shaft are provided with a first and a second positioning parts which are arranged in a reverse direction and the hub parts of the vane units are respectively provided with a pair of connecting parts for the first and the second positioning parts. Therefore, by means of the lock and the positioning of the locking elements, the connecting parts of the vane units are positioned on the first and the second positioning parts so that the purpose of connecting the vane units and the main shaft is achieved.
Description
Technical field
The present invention relates to a kind of electric fan, particularly relate to a kind of dual-vane electric fan with balancing main shaft.
Background technique
As shown in Figure 1, existing a kind of radiation fan with biparting leaf includes a motor 1, two and is subjected to blade unit 2 that this motor 1 driven and one to connect the support unit 3 that is located at this motor 1 bottom respectively.When motor 1 running, blade unit 2 rotates simultaneously, can produce two strands and be reverse axial flow mutually, and reach the heat radiation purpose.
Above-mentioned radiation fan can solve heat dissipation problem really, but because motor 1 is to drive two blade units 2 simultaneously to produce running, if the configuration imbalance of two ends of 1 one main shafts 101 of this motor and blade unit 2 can cause when then turning round and rock.
Summary of the invention
The object of the present invention is to provide a kind of two ends of a main shaft and two blade units of making to produce balanced arrangement, and can reduce the dual-vane electric fan that rocks during running with balancing main shaft.
The present invention has the dual-vane electric fan of balancing main shaft, comprises the support unit that blade unit that a motor, two drive by this motor, two can be provided with the lock firmware of aforementioned blade unit locking location and this motor of confession the location.This motor has a main shaft that extends along an axis, this main shaft have the second end, one that a first end, one and this first end be opposite setting to should first end and the position in first positioning part of this axis one side and one to should the second end and the position in second positioning part of this axis opposite side, this first and second positioning part is reverse setting.Aforementioned blade unit respectively has a hub portion and an a plurality of blade that is stretched out by this hub portion on first and second end that is set in this main shaft, and this hub portion has one to linking department that should first and second positioning part.Aforementioned lock firmware is the hub portion locking of blade unit can be positioned on this main shaft, and the linking department binding is positioned on this first and second positioning part.
Whereby, utilize this first and second positioning part to be reverse setting, can make first and second end of this main shaft and blade unit link the back and produce preferable counterbalance effect, and can reduce during motor running and rock.
Description of drawings
The present invention is described in detail below in conjunction with drawings and Examples:
Fig. 1 is existing a kind of radiation fan combination schematic representation with biparting leaf;
Fig. 2 is the combination section of the present invention's first preferred embodiment;
Fig. 3 is the plane exploded view of the above-mentioned preferred embodiment of the present invention, illustrates that main shaft two ends can distinguish two blade units of assembly and two lock firmwares;
Fig. 4 is the cross-sectional schematic of being got along the straight line 4-4 among Fig. 2;
Fig. 5 is the plane exploded view of the present invention's second preferred embodiment;
Fig. 6 is the combination section of the present invention's second preferred embodiment;
Fig. 7 is the cross-sectional schematic of being got along the straight line 7-7 among Fig. 6;
Fig. 8 is the plane exploded view of the present invention's the 3rd preferred embodiment;
Fig. 9 is the combination section of the present invention's the 3rd preferred embodiment;
Figure 10 is the cross-sectional schematic of being got along the straight line 10-10 among Fig. 9.
Embodiment
For convenience of description, following embodiment, components identical is represented with identical label.
As shown in Figures 2 and 3, the present invention has first preferred embodiment of dual-vane electric fan of balancing main shaft, comprises a motor 10, two and is subjected to blade unit that this motor 10 drives 20, two lock firmware 30 of aforementioned blade unit 20 locking location and this motor 10 of confession can be provided with the support unit 40 of location.
This motor 10 has a main shaft 11 that extends along an axis L.This main shaft 11 have the second end 112, one that a first end 111, one and this first end 111 be opposite setting to should first end 111 and the position in first positioning part 113 of this axis L one side, one to first screw section 114 that should first end 111, one to should the second end 112 and the position in second positioning part 115 of this axis L opposite side and one to second screw section 116 that should the second end 112.This first and second positioning part 113,115 is reverse setting and is plane.
The lock firmware 30 of present embodiment is to make bulk and be arranged in this hub portion 21 outsides along axis L, and hub portion 21 lockings of blade unit 20 can be positioned on this main shaft 11, and linking department 213 bindings are positioned on this first and second positioning part 113,115.
This support unit 40 has the axostylus axostyle 41 and 41 runners of establishing 42 of this axostylus axostyle of confession that are installed in these motor 10 bottoms.
Fig. 2 and shown in Figure 4 for another example, when the hole 211 of blade unit 20 is set on first and second end 111,112 of this main shaft 11, utilize cooperating of first and second positioning part 113,115 of linking department 213 and this, hub portion 21 is attached on this main shaft 11, utilize lock firmware 30 spiral shells to establish again and be positioned on first and second screw section 114,116, just can make blade unit 20 be fixed on this main shaft 11, and driven by this main shaft 11 and rotate.
And utilize this first and second positioning part 113,115 then can make this main shaft 11 and the blade unit 20, the lock firmware 30 that are fitted on this main shaft 11 have preferable balanced arrangement effect in the both sides of this axis L in the position respectively.Then when this motor 10 started, the blade unit 20 of position in these motor 10 both sides just can produce equilbrium running, and can reduce and rock.
Fig. 5, Figure 6 and Figure 7 for another example, the main shaft 11 ' of second embodiment of the invention also have the second end 112 ', one that a first end 111 ', one and this first end 111 ' be opposite setting to should first end 111 ' and the position in first positioning part 113 ' of an axis L one side, one to should the second end 112 ' and the position in second positioning part 115 ' of this axis L opposite side.This first and second positioning part 113 ', 115 ' is reverse setting and is to be arranged with towards this axis L direction by an outer circumferential face.And two blade units 20 ' also respectively have hub portion 21 ' and a plurality of blade 22 ' that is stretched out by this hub portion 21 ' on first and second end that is set in this main shaft 11 ' 111 ', 112 '.This hub portion 21 ' has the hole wall 212 ' and a linking department 213 ' of being located at this hole wall 212 ' one side that can define a circular opening 211 ', this linking department 213 ' has the sleeve pipe position 214 ' and the screw 215 ' of radially being located on this sleeve pipe position 214 ' that extend vertically, and make two to be that the lock firmware 30 ' of example can be arranged in the screw 215 ' with the screw, and stretch in this first and second positioning part 113 ', 115 '.Whereby, utilize the locking location of this lock firmware 30 ', also can make this first and second positioning part 113 ', 115 ' and linking department 213 ' reach the binding purpose, and make the blade unit 20 ' of these motor 10 ' both sides can produce equilbrium running.
Fig. 8 and for example, Fig. 9 and shown in Figure 10, the main shaft 11 of third embodiment of the invention " also have a first end 111 ", one with this first end 111 " be the second end 112 of opposite setting ", one to should first end 111 " and the position in first positioning part 113 of an axis L one side ", one to should first end 111 " first screw section 114 ", one to should the second end 112 " and the position in second positioning part 115 of this axis L opposite side ", one to should the second end 112 " second screw section 116 ", be located at this first end 111 for one " and with this first positioning part 113 " be the 3rd positioning part 117 of reverse setting " and one be located at this second end 112 " and with this second positioning part 115 " be the 4th positioning part 118 of reverse setting ".This first and second positioning part 113 ", 115 " be reverse setting and be outwards to protrude and be column by an outer circumferential face, this third and fourth positioning part 117 ", 118 " also be to be reverse setting and to be the column of outwards protruding by outer circumferential face, present embodiment is with this first and third positioning part 113 ", 117 " connect to one and radially pass main shaft 11 " pin rod, and also with this second, four positioning part 115 ", 118 " connect to one and radially pass main shaft 11 " pin rod.And two blade units 20 " also respectively have one and be set in this main shaft 11 " first and second end 111 ", 112 " on hub portion 21 " and a plurality of by this hub portion 21 " blade 22 that stretches out ".This hub portion 21 " have one and can define a circular opening 211 " hole wall 212 " and one be located at this hole wall 212 " linking department 213 of a side "; this linking department 213 " have a sleeve pipe position 214 of extending vertically " and be located at this sleeve pipe position 214 " first and second hole clipping 215 going up and extend vertically ", 216 ", this first and second hole clipping 215 ", 216 " be unidirectional opening and for this first and third positioning part 113 ", 117 " and this second, four positioning part 115 ", 118 " prolong axial embedding and link.And lock firmware 30 " be to make bulk and be arranged in this hub portion 21 along axis L " outside.Whereby, utilize this lock firmware 30 " locking location; also can make this first and third positioning part 113 ", 117 " and second, four positioning parts 115 ", 118 " respectively with blade unit 20 " linking department 213 " reach the binding purpose, and make this motor 10 " blade unit 20 of both sides " can produce equilbrium running.
Claims (5)
1. dual-vane electric fan with balancing main shaft comprises a motor, two and is installed in blade unit on this motor, two lock firmware of aforementioned blade unit locking location and this motor of confession are provided with the support unit of location, it is characterized in that:
This motor, has a main shaft that extends along an axis, this main shaft have the second end, one that a first end, one and this first end be opposite setting to should first end and the position in first positioning part of this axis one side and one to should the second end and the position in second positioning part of this axis opposite side, this first and second positioning part is reverse setting;
Aforementioned blade unit respectively has a hub portion and an a plurality of blade that is stretched out by this hub portion on first and second end that is set in this main shaft, and this hub portion has one to linking department that should first and second positioning part;
Aforementioned lock firmware is that the locking of the hub portion of blade unit is positioned on this main shaft, and linking department is linked be positioned on this first and second positioning part.
2. the dual-vane electric fan with balancing main shaft as claimed in claim 1, it is characterized in that: first and second set positioning part is to be plane on the main shaft of this motor, and the linking department of blade unit is arranged on one and defines one and be on the hole wall that lacks circle shape hole, and also be plane, lock firmware is to make bulk and be arranged in this hub portion outside along axis.
3. the dual-vane electric fan with balancing main shaft as claimed in claim 1, it is characterized in that: first and second set positioning part is to be arranged with towards this axial direction by an outer circumferential face on the main shaft of this motor, and the linking department of blade unit respectively has the sleeve pipe position and the screw of radially being located on this sleeve pipe position that extend vertically, and lock firmware is screw and is arranged in the screw and stretches in this first and second positioning part.
4. the dual-vane electric fan with balancing main shaft as claimed in claim 1, it is characterized in that: first and second set positioning part is outwards to be protruded and be column by an outer circumferential face on the main shaft of this motor, and the linking department of blade unit respectively has a sleeve pipe position of extending vertically and a hole clipping of being located on this sleeve pipe position and extending vertically, this hole clipping is unidirectional opening and prolongs axial embedding for this first and second positioning part and links, and lock firmware is to make bulk and be arranged in this hub portion outside along axis.
5. the dual-vane electric fan with balancing main shaft as claimed in claim 4, it is characterized in that: also have one on the main shaft of this motor and be the 4th positioning part that the 3rd positioning part of reverse setting and and this second positioning part are reverse setting with this first positioning part, this third and fourth positioning part is outwards to be protruded and be column by an outer circumferential face
And the linking department of blade unit also respectively has one and is located on this sleeve pipe position and second hole clipping of corresponding setting with this hole clipping, and aforementioned second hole clipping is to extend vertically and be unidirectional opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100751533A CN100439719C (en) | 2005-06-08 | 2005-06-08 | Dual-vane electric fan with balancing main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100751533A CN100439719C (en) | 2005-06-08 | 2005-06-08 | Dual-vane electric fan with balancing main shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1877137A CN1877137A (en) | 2006-12-13 |
| CN100439719C true CN100439719C (en) | 2008-12-03 |
Family
ID=37509660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100751533A Expired - Fee Related CN100439719C (en) | 2005-06-08 | 2005-06-08 | Dual-vane electric fan with balancing main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100439719C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI487845B (en) * | 2012-05-16 | 2015-06-11 | Adda Corp | Cooling fan with dual-shaft |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2869651A (en) * | 1957-06-25 | 1959-01-20 | Gen Electric | Mounting arrangement for propeller type fan |
| US3937595A (en) * | 1974-07-05 | 1976-02-10 | Torin Corporation | Rotary fluid moving device with improved hub construction and method of making same |
| GB2014239A (en) * | 1978-02-08 | 1979-08-22 | Chen Shean Huei | Double Fan |
| FR2463300A1 (en) * | 1979-08-11 | 1981-02-20 | Bosch Gmbh Robert | Mounting overhung fan impeller on shaft - uses elastic centre bush fixed to centre bore of impeller and held on by spring clip |
| US6224340B1 (en) * | 1998-02-20 | 2001-05-01 | Black & Decker, Inc. | Fan Retention system |
| CN2451773Y (en) * | 2000-11-03 | 2001-10-03 | 陈建潮 | Electric fan |
| US20040213687A1 (en) * | 2003-04-28 | 2004-10-28 | Chung-Yin Cheng | Heat dissipating fan assembly |
-
2005
- 2005-06-08 CN CNB2005100751533A patent/CN100439719C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2869651A (en) * | 1957-06-25 | 1959-01-20 | Gen Electric | Mounting arrangement for propeller type fan |
| US3937595A (en) * | 1974-07-05 | 1976-02-10 | Torin Corporation | Rotary fluid moving device with improved hub construction and method of making same |
| GB2014239A (en) * | 1978-02-08 | 1979-08-22 | Chen Shean Huei | Double Fan |
| FR2463300A1 (en) * | 1979-08-11 | 1981-02-20 | Bosch Gmbh Robert | Mounting overhung fan impeller on shaft - uses elastic centre bush fixed to centre bore of impeller and held on by spring clip |
| US6224340B1 (en) * | 1998-02-20 | 2001-05-01 | Black & Decker, Inc. | Fan Retention system |
| CN2451773Y (en) * | 2000-11-03 | 2001-10-03 | 陈建潮 | Electric fan |
| US20040213687A1 (en) * | 2003-04-28 | 2004-10-28 | Chung-Yin Cheng | Heat dissipating fan assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI487845B (en) * | 2012-05-16 | 2015-06-11 | Adda Corp | Cooling fan with dual-shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1877137A (en) | 2006-12-13 |
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Granted publication date: 20081203 Termination date: 20150608 |
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| EXPY | Termination of patent right or utility model |