CN2883745Y - Rotary structure of radiation fan - Google Patents
Rotary structure of radiation fan Download PDFInfo
- Publication number
- CN2883745Y CN2883745Y CN 200620001742 CN200620001742U CN2883745Y CN 2883745 Y CN2883745 Y CN 2883745Y CN 200620001742 CN200620001742 CN 200620001742 CN 200620001742 U CN200620001742 U CN 200620001742U CN 2883745 Y CN2883745 Y CN 2883745Y
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- radiation fan
- central axle
- rotational structure
- rotatingshaft
- 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.)
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- 230000005855 radiation Effects 0.000 title claims description 57
- 238000004804 winding Methods 0.000 claims description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 239000000314 lubricant Substances 0.000 claims description 6
- 241000883990 Flabellum Species 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 6
- 230000005012 migration Effects 0.000 abstract description 3
- 238000013508 migration Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The utility model relates to a rotating structure of a cooling fan; wherein, two bracket bodies of a base with a built-in cooling fan resist the central shaft sleeve on the main body of the cooling fan. The two ends of the central shaft sleeve are formed to a first connection space and a second connection space connected respectively with a rotating shaft. A bearing is arranged on the correspondent rotating shaft of the base to form a cooling fan with two ends rotating device and keeping a single axis rotating to avoid the noise caused by the migration of the rotation axis while the cooling fan is run.
Description
Technical field
The utility model relates to a kind of rotational structure of radiation fan, relates in particular to a kind ofly to allow radiation fan keep single axis rotation and reduce the rotational structure of abnormal sound.
Background technique
At present, can make air flows and then reach the fan of heat radiation function, its kind can be divided into multiple according to different Environmental Conditions and purposes, and progress along with science and technology, information, industries such as communication are upgraded fast, make the radiation fan demand that applies to the precise electronic sci-tech product double, and be applied to the radiation fan of the higher precise electronic sci-tech product of this high power and running speed, it is for this electronic product of arranging in pairs or groups, also belong to the less fan of a kind of volume, utilize the air flows phenomenon that this radiation fan reaches and solve because of the powerful high temperataure phenomena that produces of power, can make it in certain temperature range, keep certain operational paradigm by thermolysis, if can't effectively discharge the heat energy that is produced in the product running, cause relevant components and parts to cross cause thermal damage or on fire because of temperature is too high in the time of then may causing product to use, thereby cause secret worry, therefore in most precise electronic sci-tech product, be equipped with fan assembly usually, to reach the effect of heat radiation.
Known cooling fan structure improvement mainly possesses the pedestal that the radiation fan and that has a radiation to be extended with flabellum possesses ccontaining this radiation fan of rotation space, on pedestal, dispose circuit board and coil case and import electric power, driving this radiation fan rotates, this radiation fan center then is provided with a rotating shaft, and be provided with bearing member at corresponding this rotating shaft position of pedestal, with regard to prior art, because being subject to radiation fan can assemble volume restrictions, so the efficient of radiation fan depends on radiating fan rotation speed, but, under high-speed state, rotating shaft will produce high heat with the bearing member excessive friction, and rotating shaft also is partial to the collision bearing member easily and is caused abnormal sound to produce, and for this reason, has developed the higher ceramic bearing of wear resistance, but, ceramic bearing be difficult to relatively make on positioning design, and the high heat problem that friction is produced also fails effectively to avoid because of its hardness height.
In sum, existing ceramic bearing manufacturing is not easy, and is limited to manufacturing technology more and only can shows simple shape, as want to produce complicated shape and then can significantly promote manufacture cost, and can't effectively store enough lubricant oil for use.Replacing is difficult for after wearing and tearing in addition, and the replacement cost height also is the shortcoming of prior art.
The model utility content
Main purpose of the present utility model is to address the aforementioned drawbacks, and for avoiding the existence of this defective, its two end part provide a kind of rotational structure of radiation fan, allows radiation fan under the situation of running, makes the collision of rotating shaft non-migration produce noise.
Another purpose of the present utility model is to prolong the working life of radiation fan rotational structure.
The utility model also has a purpose to be to reduce manufacture cost.
In order to achieve the above object, the rotational structure according to the utility model radiation fan comprises: a radiation fan comprises that a main body reaches the flabellum by Subject Extension, and be provided with a central axle sleeve on main body; One pedestal possesses the ccontaining radiation fan of a rotation space, and the two end part of corresponding central axle sleeve are provided with the two stands body in the pedestal both sides; Wherein, the two end part of central axle sleeve form the first winding space and the second winding space, with spacing winding one rotatingshaft of difference, and corresponding rotatingshaft is provided with a bearing member on stake body, thereby forms both-end running shaft configuration and keep the radiation fan that single axis rotates.
As improvement, above-mentioned rotatingshaft is with the spacing central axle sleeve two ends that are connected to of drive fit pattern.
As improvement, above-mentioned central axle sleeve inwardly is provided with the positioning part in first and second winding space, and it is spacing to compress rotatingshaft with this positioning part and bearing member.
As improvement, above-mentioned central axle sleeve defines an oil storage space that stores lubricant oil with the positioning part, and oil storage space is connected with first and second winding space.
As improvement, the shape of the corresponding bearing member of above-mentioned rotatingshaft and form a restriction rotation surface.
As improvement, aforementioned body is provided with the perforation of ccontaining central axle sleeve, and its middle punch and central axle sleeve are to be connected with group with the drive fit pattern.
As improvement, the shape of above-mentioned perforation and central axle sleeve is complementary.
An other example, the shape of above-mentioned perforation and central axle sleeve is inequality.
As improvement, above-mentioned central axle sleeve is shaped in main body.
The utlity model has following beneficial effect, owing to mainly support set central axle sleeve on the radiation fan main body of pulling by the two stands body on the pedestal of ccontaining radiation fan, wherein the two end part of this central axle sleeve form first, second winding space and organize respectively and establish and a spacing rotatingshaft, stake body is to being provided with the bearing member that compresses rotatingshaft by two rotatingshafts, thereby form both-end running shaft configuration and keep the radiation fan that single axis rotates, allow radiation fan under the situation of running, make the collision of rotating shaft non-migration produce noise.
In addition, because first and second winding space wherein is connected, and central axle sleeve is extended with the positioning part at this first and second place, winding space, this positioning part is except that supporting this rotatingshaft of pulling, also separate an oil storage space for lubricant oil being set and this oil storage space being connected with first and second winding space, to increase the lubricated and effect of resistance to wearing between rotatingshaft and the bearing member.
Also have, owing to together rotate for the drive fit pattern makes rotatingshaft and central axle sleeve between central axle sleeve and the rotatingshaft, and this central axle sleeve can be made to reduce cost of material by non-pottery, rotatingshaft and bearing member be then with wear-resisting pottery manufacturing, and central axle sleeve also possesses easy processing,, advantage such as material easily obtain wear-resisting than other material with the metal manufacturing.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION schematic representation according to radiation fan of the present utility model.
Fig. 2 is the STRUCTURE DECOMPOSITION schematic representation according to radiation fan rotational structure of the present utility model.
Fig. 3 is the combination generalized section according to radiation fan of the present utility model.
Fig. 4 is the plan view according to radiation fan of the present utility model.
Fig. 5 is the embodiment's schematic representation according to rotational structure of the present utility model.
Fig. 6 is another embodiment's schematic representation according to rotational structure of the present utility model.
Embodiment
Relevant detailed description of the present utility model and technology contents now are described as follows with regard to conjunction with figs.:
See also Figure 1 and Figure 2, it is respectively the STRUCTURE DECOMPOSITION schematic representation of the STRUCTURE DECOMPOSITION and the rotational structure thereof of radiation fan 1 of the present utility model, as shown in the figure, the utility model is a kind of rotational structure of radiation fan 1, mainly possess a radiation fan 1 is arranged, this radiation fan 1 comprises a main body 10 and a plurality of flabellum 11 that extends from main body 10 radiation, main body 10 be provided with a perforation 12 for a central axle sleeve 13 from wherein wearing and with the mutual winding of drive fit pattern, the two end part of this central axle sleeve 13 are provided with first respectively, two winding spaces 130,131 for the wherein urgent location of rotatingshaft 40 placements.Radiation fan 1 is placed in the pedestal 3, this pedestal 3 comprises that one puts a body 30 and a lid 31, wherein forming a rotation space rotates for this radiation fan 1, and in this rotation space, dispose and drive driving mechanism that this radiation fan 1 rotates (as shown in the figure, this driving mechanism can comprise that coil case 20 and circuit board 21 are the driving mechanism that magneto drive radiation fan 1 rotates to receive power conversions, because this driving mechanism has belonged to prior art, non-summary of the invention of the present utility model, so do not give unnecessary details) at this, and on this pedestal 3, two end part that should central axle sleeve 13 are provided with two stands body 32, this two stands body 32 also disposes a bearing member 50 correspondences and presses this two rotatingshaft 40, makes the two end part of this central axle sleeve 13 keep single axis rotation.
Please consult the central axle sleeve 13 of Fig. 2 especially, be positioned at this central axle sleeve 13 this first, two winding spaces 130,131 places are provided with positioning part 133, limit and separate first by this positioning part 133, the second winding space 130,131 and between wherein oil storage space 132, wherein first, the second winding space 130,131 comprise the opening port of this end and in order to dispose rotatingshaft 40 therein, and being with the one end spacing sections 41, rotatingshaft 40 is confined to first, two winding spaces 130, in 131 and be subjected to this positioning part 133 to support the location of pulling, the other end of rotatingshaft 40 is pressed by above-mentioned bearing member 50 with its contact-segment 42, make rotatingshaft 40 can firmly be subjected to stake body 32 and central axle sleeve 13 two ends clampings and limited betwixt.
In the foregoing description, this first and second winding space 130,131 also can be connected, to form above-mentioned oil storage space 132, so that lubricant oil/fat to be provided, make rotatingshaft 40 reduce wearing and tearing between rotatingshaft 40 and the bearing member 50 when rotated, can make increase the working life of rotational structure, in addition, the design of central axle sleeve 13 hollows can reduce material to be used, but also weight reduction and energy loss when reducing the fan rotation.
Please consult Fig. 3 simultaneously, shown in Figure 4, be respectively combination generalized section of the present utility model and plan view, from figure, can clearly find out, on the central axle sleeve 13 of radiation fan 1, two rotatingshafts 40 in the following two end part support to pull by positioning part 133 and fix and fix with the drive fit pattern, but also the bearing member 50 that is subjected to stake body 32 is located this central axle sleeve 13, so radiation fan 1 will can not break away from bearing member 50 when rotating, thereby maintain the rotation of single axis, so can effectively avoid the abnormal sound of central axle sleeve 13 offset collisions, in addition, the utility model also can design the external diameter of this contact-segment 42 external diameter less than this central axle sleeve 13, and this bearing member 50 possesses has one than the rotation slot 51 greater than these contact-segment 42 external diameters, this contact-segment 42 is to be formed by these rotatingshaft 40 external diameter convergents, the shape of contact-segment 42 and rotation slot 51 can be as shown in Figure 3, the top point of this contact-segment 42 is the triangle taper of cusp, perhaps contact-segment 42 top points are for circular-arc coniform, it is perhaps pure as this contact-segment 42 that to be external diameter less than central axle sleeve 13 external diameters cylindric, in addition, the present invention also can implement the contact-segment 42 of rotatingshaft 40 with 51 exchanges of bearing member 50 rotation slots.As mentioned above, rotatingshaft 40 utilizes its spacing section 41 of being complementary and is subjected to first, second winding space 130,131 restriction sites and is subjected to bearing member 50 clampings, rotatingshaft 40 can be rotated in first and second winding space 130,131, and provide central axle sleeve 13 to be positioned the effect of rotatingshaft 40 central axis; And because this rotatingshaft 40 and the design of central axle sleeve 13 for separating make the advantage that this design also possesses easy assembling rotatingshaft 40 and central axle sleeve 13, or the advantage that when the central axle sleeve 13 of this rotational structure damages, can be easy to change.
Seeing also Fig. 5 and shown in Figure 6, is embodiment's schematic representation of two different rotational structures of the present invention, and it focuses on radiation fan 1 when rotated, forms between this perforation 12 and the central axle sleeve 13a to contact run-on point or to contact rotation surface.When making main body 10 rotations by contact run-on point or contact rotation surface, this perforation 12 produces some contact or face contact with central axle sleeve 13a with form fit identical or inequality, making central axle sleeve 13a be subjected to main body 10 drives and rotates, as shown in Figure 5, this perforation 12 is circular, and central axle sleeve 13a is shaped as the triangle that is arranged at fully in this perforation 12, and order perforation 12 forms at 3 with central axle sleeve 13a and contacts run-on point; As shown in Figure 6, this perforation 12a shape is a triangle, and central axle sleeve 13c also is a triangle, order perforation 12a forms with central axle sleeve 13b and contacts rotation surface, as above-mentioned contact run-on point or contact rotation surface, when radiation fan 1 rotated, main body 10 drove central axle sleeve 13 passive rotations, can avoid radiation fan 1 under high speed rotating, the not enough phenomenon of floating that produces of frictional force between main body 10 and the central axle sleeve 13.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. the rotational structure of a radiation fan (1) is characterized in that comprising: a radiation fan (1) comprises a main body (10) and the flabellum (11) that is extended by described main body (10), and be provided with a central axle sleeve (13) on described main body (10); One pedestal (3) possesses a rotation space with ccontaining described radiation fan (1), and the two end part of corresponding described central axle sleeve (13) are provided with two stands body (32) in described pedestal (3) both sides;
Wherein, the two end part of described central axle sleeve (13) form the first winding space (130) and the second winding space (131), it is spacing winding one rotatingshaft (40) respectively, and go up corresponding described rotatingshaft (40) at described stake body (32) and be provided with a bearing member (51), thereby form both-end running shaft configuration and keep the radiation fan (1) that single axis rotates.
2. the rotational structure of radiation fan according to claim 1 (1) is characterized in that, described rotatingshaft (40) is with the spacing two ends that are connected to described central axle sleeve (13) of drive fit pattern.
3. the rotational structure of radiation fan according to claim 1 (1), it is characterized in that, described central axle sleeve (13) inwardly is provided with positioning part (133) in described first and second winding space, and it is spacing to press described rotatingshaft (40) with described positioning part (133) and bearing member (51).
4. the rotational structure of radiation fan according to claim 3 (1), it is characterized in that, described central axle sleeve (13) defines an oil storage space (132) that stores lubricant oil with described positioning part (133), and described oil storage space (132) is connected with described first and second winding space.
5. the rotational structure of radiation fan according to claim 1 (1) is characterized in that, the shape of the corresponding described bearing member of described rotatingshaft (40) (51) and form one the restriction rotation surface.
6. the rotational structure of radiation fan according to claim 1 (1), it is characterized in that, described main body (10) is provided with the perforation (12) of ccontaining described central axle sleeve (13), and wherein said perforation (12) is connected with group with the drive fit pattern with described central axle sleeve (13).
7. the rotational structure of radiation fan according to claim 6 (1) is characterized in that, described perforation (12) is complementary with the shape of described central axle sleeve (13a).
8. the rotational structure of radiation fan according to claim 6 (1) is characterized in that, described perforation (12a) is inequality with the shape of described central axle sleeve (13b).
9. the rotational structure of radiation fan according to claim 1 (1) is characterized in that, described central axle sleeve (13) is shaped in described main body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620001742 CN2883745Y (en) | 2006-01-27 | 2006-01-27 | Rotary structure of radiation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620001742 CN2883745Y (en) | 2006-01-27 | 2006-01-27 | Rotary structure of radiation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2883745Y true CN2883745Y (en) | 2007-03-28 |
Family
ID=37956807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620001742 Expired - Fee Related CN2883745Y (en) | 2006-01-27 | 2006-01-27 | Rotary structure of radiation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2883745Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593937A (en) * | 2016-12-06 | 2017-04-26 | 广州雅松智能设备有限公司 | Novel electric fan rotating shaft deviation prevention device |
| CN106593936A (en) * | 2016-12-06 | 2017-04-26 | 广州雅松智能设备有限公司 | Anti-deviation device for rotating shaft of electric fan |
-
2006
- 2006-01-27 CN CN 200620001742 patent/CN2883745Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593937A (en) * | 2016-12-06 | 2017-04-26 | 广州雅松智能设备有限公司 | Novel electric fan rotating shaft deviation prevention device |
| CN106593936A (en) * | 2016-12-06 | 2017-04-26 | 广州雅松智能设备有限公司 | Anti-deviation device for rotating shaft of electric fan |
| CN106593936B (en) * | 2016-12-06 | 2018-12-14 | 绍兴上虞国风风机制造有限公司 | A kind of anti-deviation device for electric fan shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070328 |