CN202284564U - Axis structure and heat dissipation fan thereof - Google Patents
Axis structure and heat dissipation fan thereof Download PDFInfo
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- CN202284564U CN202284564U CN2011204445400U CN201120444540U CN202284564U CN 202284564 U CN202284564 U CN 202284564U CN 2011204445400 U CN2011204445400 U CN 2011204445400U CN 201120444540 U CN201120444540 U CN 201120444540U CN 202284564 U CN202284564 U CN 202284564U
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- extension
- axle center
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Abstract
The utility model discloses an axis structure and a heat dissipation fan thereof. The axis structure comprises a body; the body is provided with an axis part and an extension part; the extension part is provided with a plurality of extension sections, and the axis part is radially extended to form an outer edge part; the radial extension lengths of the extension sections are mutually not equal, so that the radial cross section of the body is in a noncircular form; and the body is arranged in a bearing shaft hole of the heat dissipation fan, and lubricating grease is filled between the body and a bearing. By the noncircular design of the body, the pressure support of the lubricating grease is promoted, and noise and vibration produced by friction of the body and the bearing are reduced.
Description
Technical field
A kind of axle center structure and radiation fan thereof refer to that especially a kind of radial cross-section of axle center is non-circular design, and then promote the axle center structure and the radiation fan thereof of lubricant grease abutment pressure.
Background technique
Press; The electronics information product (for example: popularize day by day and use more extensive by use computer etc.); Because it is rapid that demand drives the technical development of electronics IT industry; Impel the electronics information towards carrying out the trend development that arithmetic speed promotes, access capability increases, cause the spare part in the aforementioned electronic information product to have high temperature to supervene often in working at high speed.
With the host computer is example; The heat that its central interior processing unit (CPU) is produced accounts for major part; In addition, central processing unit when heat gradually rising can cause and carry out usefulness and reduce, and when accumulation of heat is higher than its allowable limit; Will force computer to work as machine, severe patient more may cause the damage phenomenon; And, for solving the problem of electromagenetic wave radiation, seal this host computer with the cabinet housing usually, so that how the heat energy of central processing unit and other heating spare part (or claiming element) is derived fast, become an important topic.
And general central processing unit is provided with radiator and radiation fan above it in order to what the mode that solves heat radiation was taked; One side of radiator has been set up some fins; With the surface of the opposite side (not having fin) of said radiator directly the aforementioned central processing unit of contact can conduct to above-mentioned fin end to make heat energy, and make the rapid dissipation of heat energy with cooperating fan pressure driving air-flow by heat loss through radiation.
Said radiation fan is by having a base and a rotor set, and this base has a beam barrel, and at least one bearing of this beam barrel set inside; This beam barrel outer cover is provided with stator group, and this bearing has an axis hole, and this rotor set has a wheel hub and an axle center; This wheel hub outer rim is extended a plurality of flabellum bodies, and this axle center one end is inserted in a side of this wheel hub, and end is articulated in this axis hole in addition; And between the axis hole of this axle center and this bearing, be filled with lubricant grease, when said radiation fan turned round, the axle center of this rotor set this bearing relatively rotated; This axle center is when rotation, and is uneven because of the abutment pressure of lubricant grease, makes the shaft hole inner wall face of this axle center this bearing of bump produce noise and vibration; Make the rotor set running have some setbacks, and then this radiation fan life-span is reduced.
The model utility content
The main purpose of the utility model provide a kind of cross section with non-circular as design, the noise when reduce using and the axle center structure of vibration and abrasion.
The secondary objective of the utility model at the cross section that a kind of axle center structure is provided with non-circular as design, the noise when reduce using and the radiation fan of vibration and abrasion.
For reaching above-mentioned purpose the utility model a kind of axle center structure is provided, comprises: a body;
Said body has an axis central part and an extension part, and this extension part has a plurality of extensions, and said extension interconnects, and radially extends to form an outer edge by this axis central part, and said extension is extended length equidistance not each other radially.
For reaching above-mentioned purpose the utility model a kind of radiation fan is provided, comprises: a pedestal, stator group, a bearing, a rotor set;
Said pedestal has a beam barrel, and this beam barrel has a containing space, and this containing space axially runs through aforementioned beam barrel; It is outside that this stator pack is sheathed on aforementioned beam barrel; This bearing has an axis hole, and this bearing is located in the containing space of aforementioned beam barrel; This rotor set has a wheel hub and an axle center structure, and this wheel hub has a plurality of flabellums, and this axle center structure is plugged in this wheel hub one side; This axle center structure has a body; This body has an axis central part and an extension part, and this extension part has a plurality of extensions, and said extension interconnects; And radially extend to form an outer edge by this axis central part; Said extension is extended length equidistance not each other radially, and said outer edge is corresponding with the axis hole of aforementioned bearings, and has a lubricant grease between this outer edge and this axis hole.
Particularly, the utility model provides a kind of axle center structure, comprises:
One body has an axis central part and an extension part, and this extension part has a plurality of extensions, and these a plurality of extensions are radially extended by this axis central part and are interconnected to form an outer edge, and wherein said extension is extended length equidistance not each other radially.
Preferably; Described axle center structure, said extension part have one first extension and one second extension and one the 3rd extension and one the 4th extension, and this first and second extension is corresponding each other; This third and fourth extension is corresponding each other; These two ends, first extension are connected with this third and fourth extension respectively, and these two ends, second extension are connected with this third and fourth extension respectively, and this body radial cross-section is oval.
Preferably, described axle center structure, said extension part has one first extension and one second extension and one the 3rd extension, and these two ends, first extension are connected with this second and third extension respectively, and this body radial cross-section is the circle wedge shape.
Preferably, described axle center structure, the radial cross-section of said body is non-circular.
Preferably, described axle center structure, said body also has one first extending end, extends institute's configuration by aforementioned body one end, and the cross section of this first extending end is rounded.
Preferably, described axle center structure, said body also has one first extending end and one second extending end, extends institute's configuration by the two ends of aforementioned body respectively, and the cross section of this first and second extending end is rounded.
Preferably; Described axle center structure; Said body also has one first extending end and one second extending end, and this first extending end extends institute's configuration by an end of aforementioned body, and the cross section of this first extending end is rounded; This second extending end extends institute's configuration by the other end of opposite this body of this first extending end, and the cross section of said second extending end is identical with the shape of cross section of this body.
A kind of radiation fan comprises:
One pedestal has a beam barrel, and this beam barrel has a containing space, and this containing space axially runs through aforementioned beam barrel;
Stator group, it is outside to be located at aforementioned beam barrel;
One bearing has an axis hole, and this bearing is located in the containing space of aforementioned beam barrel;
One rotor set has a wheel hub and an axle center structure, and this wheel hub has a plurality of flabellums; This axle center structure one end is plugged in this wheel hub one side; End is articulated in aforementioned axis hole in addition, and this axle center structure has a body and has an axis central part and an extension part, and this extension part has a plurality of extensions; Said extension is radially extended by this axis central part and is interconnected to form an outer edge; Said extension is extended length equidistance not each other radially, and said outer edge is corresponding with the axis hole of aforementioned bearings, and has a lubricant grease between this outer edge and this axis hole.
Preferably; Described radiation fan, said extension part have one first extension and one second extension and one the 3rd extension and one the 4th extension, and this first and second extension is corresponding each other; This third and fourth extension is corresponding each other; These two ends, first extension are connected with this third and fourth extension respectively, and these two ends, second extension are connected with this third and fourth extension respectively, and this body radial cross-section is oval.
Preferably, described radiation fan, said extension part have one first extension and one second extension and one the 3rd extension, and these two ends, first extension are connected with this second and third extension respectively, and this body radial cross-section is the circle wedge shape.
Preferably, described radiation fan, the radial cross-section of said body is non-circular.
Preferably, described radiation fan has lubricant grease between said axis hole and this body.
Preferably, described radiation fan, said stator pack also has a plurality of coils and at least one silicon steel plate, and it is outside that said coil is set around this silicon steel plate.
Preferably, described radiation fan, said stator pack also has a plurality of coils and a magnetic conductive metal, and it is outside that said coil is set around this magnetic conductive metal.
Preferably, described radiation fan, said stator pack has more and is a plurality of coils and a circuit board, and said coil is set around on the circuit board.
Axle center structure and radiation fan thereof through the utility model; When radiation fan turns round; The cross section of this axle center structure is non-circular; So can promote the support force of the lubricant grease between the axis hole of body and this bearing of this axle center structure, avoid producing the generation of frictional loss and noise and vibration, and then make the life-span upgrading of this axle center structure and this radiation fan.
Description of drawings
Fig. 1 is first embodiment's of the utility model axle center structure a stereogram;
Fig. 2 is second embodiment's of the utility model axle center structure a stereogram;
Fig. 3 is the 3rd embodiment's of the utility model axle center structure a stereogram;
Fig. 4 is the 4th embodiment's of the utility model axle center structure a stereogram;
Fig. 5 is the 5th embodiment's of the utility model axle center structure a stereogram;
Fig. 6 is the 5th embodiment's of the utility model axle center structure a stereogram;
Fig. 7 is first embodiment's of the utility model radiation fan a three-dimensional exploded view;
Fig. 8 is first embodiment's of the utility model radiation fan a three-dimensional combination figure;
Fig. 9 is first embodiment's of the utility model radiation fan an A-A sectional view;
Figure 10 is second embodiment's of the utility model radiation fan a three-dimensional exploded view;
Figure 11 is the 3rd embodiment's of the utility model radiation fan a three-dimensional exploded view;
Figure 12 is the 4th embodiment's of the utility model radiation fan a three-dimensional exploded view;
Figure 13 is first embodiment's of the utility model radiation fan a B-B sectional view.
[primary component symbol description]
Axle center structure 1
Axis central part 111
First extension 1122
The 3rd extension 1124
The 4th extension 1125
First extending end 12
Second extending end 13
Pedestal 21
Beam barrel 211
Containing space 212
Magnetic conductive metal 223
Rotor set 23
Wheel hub 231
Flabellum 232
Embodiment
Characteristic on above-mentioned purpose of the utility model and structure thereof and the function will be explained according to appended graphic preferred embodiment.
See also Fig. 1, be first embodiment's of the utility model axle center structure stereogram, as shown in the figure, said axle center structure 1 comprises: a body 11;
See also Fig. 2; Stereogram for second embodiment of the utility model axle center structure; As shown in the figure, the utility model part-structure is identical with aforementioned first embodiment, so will repeat no more at this; Only present embodiment and aforementioned first embodiment do not exist together and have one first extension 1122 and one second extension 1123 and one the 3rd extension 1124 and one the 4th extension 1125 for said extension part 112; This first and second extension 1122,1123 is corresponding each other, and this third and fourth extension 1124,1125 is corresponding each other, and these 1122 two ends, first extension are connected with this third and fourth extension 1124,1125 respectively; These 1123 two ends, second extension are connected with this third and fourth extension 1124,1125 respectively, and these body 11 radial cross-sections are oval.
See also Fig. 3; Stereogram for the 3rd embodiment of the utility model axle center structure; As shown in the figure; The utility model part-structure is identical with aforementioned first embodiment, so will repeat no more at this, only present embodiment and aforementioned first embodiment do not exist together and have one first extension 1122 and one second extension 1123 and one the 3rd extension 1124 for said extension part 112; These 1122 two ends, first extension are connected with this second and third extension 1123,1124 respectively, and these body 11 radial cross-sections are the circle wedge shape.
See also Fig. 4; Be the 4th embodiment's of the utility model axle center structure stereogram, as shown in the figure, the utility model part-structure is identical with aforementioned first embodiment; So will repeat no more at this; Only present embodiment and aforementioned first embodiment do not exist together for said body 11 also has one first extending end 12, extend institute's configuration by aforementioned body 11 1 ends, and the cross section of this first extending end 12 is rounded.
See also Fig. 5; Be the 5th embodiment's of the utility model axle center structure stereogram, as shown in the figure, the utility model part-structure is identical with aforementioned first embodiment; So will repeat no more at this; Only present embodiment and aforementioned first embodiment do not exist together for said body 11 also has one first extending end 12 and one second extending end 13, extend institute's configuration by the two ends of aforementioned body 11 respectively, and the cross section of this first and second extending end 12,13 is rounded.
See also Fig. 6; Be the 5th embodiment's of the utility model axle center structure stereogram, as shown in the figure, the utility model part-structure is identical with aforementioned first embodiment; So will repeat no more at this; Only present embodiment and aforementioned first embodiment do not exist together for said body 11 also has one first extending end 12 and one second extending end 13, and this first extending end 12 extends institute's configuration by an end of aforementioned body 11, and the cross section of this first extending end 12 is rounded; This second extending end 13 extends institute's configuration by the other end of these first extending end, 12 opposite these bodies 11, and the cross section of said second extending end 13 is identical with the shape of cross section of this body 11.
See also Fig. 7, Fig. 8, Fig. 9, be first embodiment's of the utility model radiation fan solid decomposition and combination and A-A sectional view, said radiation fan 2 comprises: a pedestal 21, stator group 22, a rotor set 23, a bearing 24;
Said pedestal 21 has a beam barrel 211, and this beam barrel 211 has a containing space 212, and this containing space 212 axially runs through aforementioned beam barrel 211.
Said stator pack 22 is located at aforementioned beam barrel 211 outsides.
Said bearing 24 has an axis hole 241, and this bearing 24 is located in the containing space 212 of aforementioned beam barrel 211.
Said rotor set 23 has a wheel hub 231 and an axle center structure 1; This wheel hub 231 has a plurality of flabellums 232, and these axle center structure 1 one ends are plugged in this wheel hub 231 1 sides, and end is articulated in aforementioned axis hole 241 in addition; The structure of this axle center structure 1 can be applied mechanically aforementioned first to five embodiment's axle center structure 1; So will repeat no more at this, said outer edge 113 is corresponding with the axis hole 241 of aforementioned bearings 24, and 241 of said outer edge 113 and this axis holes have lubricant grease 3.
See also Figure 10; Three-dimensional exploded view for second embodiment of the utility model radiation fan; Present embodiment is identical with aforementioned first embodiment's part-structure; So will repeat no more at this, the thought present embodiment and first embodiment do not exist together for said stator pack 22 has a plurality of coils 221 and at least one silicon steel plate 222, and said coil 221 is set around this silicon steel plate 222 outsides.
See also Figure 11; Three-dimensional exploded view for the 3rd embodiment of the utility model radiation fan; Present embodiment is identical with aforementioned first embodiment's part-structure; So will repeat no more at this, the thought present embodiment and first embodiment do not exist together for said stator pack 22 has a plurality of coils 221 and a magnetic conductive metal 223, and said coil 221 is set around this magnetic conductive metal 223 outsides.
See also Figure 12; Three-dimensional exploded view for the 4th embodiment of the utility model radiation fan; Present embodiment is identical with aforementioned first embodiment's part-structure; So will repeat no more at this, the thought present embodiment and first embodiment do not exist together for said stator pack 22 has a plurality of coils 221 and a circuit board 224, and said coil 221 is set around on the circuit board 224.
See also Figure 13, for first embodiment's of the utility model radiation fan B-B sectional view, as shown in the figure; Said body 11 is arranged in the axis hole 241 of this bearing 24, and the outer edge 113 of this body 11 is corresponding with the internal face of the axis hole 241 of this bearing 24, and said body 11 cross section radially becomes non-circular structure; So can increase the abutment pressure of the lubricant grease 3 that is filled in 241 of this body 11 and this axis holes; When these radiation fan 2 runnings, make this body 11 in the axis hole 241 of this bearing 24, be the state of suspension, and make body 11 not produce bump with this axis hole 241; And then can reduce noise and vibration and friction, significantly promote the working life of radiation fan 2.
Claims (15)
1. an axle center structure is characterized in that, comprises:
One body has an axis central part and an extension part, and this extension part has a plurality of extensions, and these a plurality of extensions are radially extended by this axis central part and are interconnected to form an outer edge, and wherein said extension is extended length equidistance not each other radially.
2. axle center as claimed in claim 1 structure; It is characterized in that said extension part has one first extension and one second extension and one the 3rd extension and one the 4th extension, this first and second extension is corresponding each other; This third and fourth extension is corresponding each other; These two ends, first extension are connected with this third and fourth extension respectively, and these two ends, second extension are connected with this third and fourth extension respectively, and this body radial cross-section is oval.
3. axle center as claimed in claim 1 structure; It is characterized in that; Said extension part has one first extension and one second extension and one the 3rd extension, and these two ends, first extension are connected with this second and third extension respectively, and this body radial cross-section is the circle wedge shape.
4. axle center as claimed in claim 1 structure is characterized in that the radial cross-section of said body is non-circular.
5. axle center as claimed in claim 1 structure is characterized in that, said body also has one first extending end, extends institute's configuration by aforementioned body one end, and the cross section of this first extending end is rounded.
6. axle center as claimed in claim 1 structure is characterized in that, said body also has one first extending end and one second extending end, extends institute's configuration by the two ends of aforementioned body respectively, and the cross section of this first and second extending end is rounded.
7. axle center as claimed in claim 1 structure; It is characterized in that; Said body also has one first extending end and one second extending end, and this first extending end extends institute's configuration by an end of aforementioned body, and the cross section of this first extending end is rounded; This second extending end extends institute's configuration by the other end of opposite this body of this first extending end, and the cross section of said second extending end is identical with the shape of cross section of this body.
8. a radiation fan is characterized in that, comprises:
One pedestal has a beam barrel, and this beam barrel has a containing space, and this containing space axially runs through aforementioned beam barrel;
Stator group, it is outside to be located at aforementioned beam barrel;
One bearing has an axis hole, and this bearing is located in the containing space of aforementioned beam barrel;
One rotor set has a wheel hub and an axle center structure, and this wheel hub has a plurality of flabellums; This axle center structure one end is plugged in this wheel hub one side; End is articulated in aforementioned axis hole in addition, and this axle center structure has a body and has an axis central part and an extension part, and this extension part has a plurality of extensions; Said extension is radially extended by this axis central part and is interconnected to form an outer edge; Said extension is extended length equidistance not each other radially, and said outer edge is corresponding with the axis hole of aforementioned bearings, and has a lubricant grease between this outer edge and this axis hole.
9. radiation fan as claimed in claim 8; It is characterized in that said extension part has one first extension and one second extension and one the 3rd extension and one the 4th extension, this first and second extension is corresponding each other; This third and fourth extension is corresponding each other; These two ends, first extension are connected with this third and fourth extension respectively, and these two ends, second extension are connected with this third and fourth extension respectively, and this body radial cross-section is oval.
10. radiation fan as claimed in claim 8; It is characterized in that; Said extension part has one first extension and one second extension and one the 3rd extension, and these two ends, first extension are connected with this second and third extension respectively, and this body radial cross-section is the circle wedge shape.
11. radiation fan as claimed in claim 8 is characterized in that, the radial cross-section of said body is non-circular.
12. radiation fan as claimed in claim 8 is characterized in that, has lubricant grease between said axis hole and this body.
13. radiation fan as claimed in claim 8 is characterized in that, said stator pack also has a plurality of coils and at least one silicon steel plate, and it is outside that said coil is set around this silicon steel plate.
14. radiation fan as claimed in claim 8 is characterized in that, said stator pack also has a plurality of coils and a magnetic conductive metal, and it is outside that said coil is set around this magnetic conductive metal.
15. radiation fan as claimed in claim 8 is characterized in that, said stator pack has more and is a plurality of coils and a circuit board, and said coil is set around on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204445400U CN202284564U (en) | 2011-11-10 | 2011-11-10 | Axis structure and heat dissipation fan thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204445400U CN202284564U (en) | 2011-11-10 | 2011-11-10 | Axis structure and heat dissipation fan thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202284564U true CN202284564U (en) | 2012-06-27 |
Family
ID=46296088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204445400U Expired - Fee Related CN202284564U (en) | 2011-11-10 | 2011-11-10 | Axis structure and heat dissipation fan thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202284564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104535A (en) * | 2011-11-10 | 2013-05-15 | 奇鋐科技股份有限公司 | Shaft center structure and heat dissipation fan thereof |
-
2011
- 2011-11-10 CN CN2011204445400U patent/CN202284564U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104535A (en) * | 2011-11-10 | 2013-05-15 | 奇鋐科技股份有限公司 | Shaft center structure and heat dissipation fan thereof |
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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: 20120627 Termination date: 20181110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |