CN2918812Y - Thermal fan having circulating oil-line - Google Patents
Thermal fan having circulating oil-line Download PDFInfo
- Publication number
- CN2918812Y CN2918812Y CN 200620121594 CN200620121594U CN2918812Y CN 2918812 Y CN2918812 Y CN 2918812Y CN 200620121594 CN200620121594 CN 200620121594 CN 200620121594 U CN200620121594 U CN 200620121594U CN 2918812 Y CN2918812 Y CN 2918812Y
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- CN
- China
- Prior art keywords
- bearing
- unit
- groove
- supporting drum
- circulating oil
- 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
Links
- 239000010724 circulating oil Substances 0.000 claims abstract description 26
- 239000003921 oil Substances 0.000 claims abstract description 26
- 230000005855 radiation Effects 0.000 claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 241000883990 Flabellum Species 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 15
- 230000009183 running Effects 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a cooling fan with a circulating oil circuit, comprising a shell seat unit, a bearing unit, a fan wheel unit and a stator unit. The shell seat unit has a fixed seat, and a supporting tube is fixed on the fixed seat, at least one groove is formed on the inner surface of the supporting tube. The bearing unit has a bearing arranged in the supporting tube and a locating ring used to press the bearing. At least one connection groove is formed on the upper surface of the bearing in order to communicate with the groove on the supporting tube. A flowage space is formed between the bearing and the fan wheel unit and an oil storage space is formed between the bearing and the supporting tube. When the revolving axle rotates, the oil is pumped through the hole of the bearing into the flowage space and then through the groove on the bearing and the connection groove on the supporting tube, then flow downwards and back into the storage space, forming a circulating oil circuit. The utility model makes the operation fluent and prolongs the service life.
Description
[technical field]
The utility model relates to a kind of radiation fan, particularly relates to a kind of radiation fan with circulating oil path.
[background technique]
Shown in Fig. 1～3, show the aspect of an existing fan 1.This fan 1 comprises a shell 11, a bearing unit 12, a stator unit 13, and an impeller unit 14.This shell 11 has a fixed base 111 that is positioned at center bottom, is formed with an oil storage tank 112 on this fixed base 111, and a caulking groove 113 around this oil storage tank 112.
This bearing unit 12 has the axle sleeve 121 of an intercalation in the caulking groove 113 of this fixed base 111, and one urgently is placed in the bearing 122 that also can define through hole 120 in this axle sleeve 121.This bearing 122 have shaft part on one 123, connect this go up shaft part 123 and diameter less than the following shaft part 124 of shaft part on this 123, a plurality of compartment of terrain be formed at the groove 125 on shaft part 123 outer circumferential faces on this, a plurality of be formed at this time shaft part 124 bottom surfaces wear groove 126, reach three chamferings 127 that lay respectively at shaft part 123 apical margins on this, root edge and this time shaft part 124 root edges.
This stator unit 13 has a stator 131 that is sheathed on this axle sleeve 121, and one is connected in these stator 131 bottoms and abuts against circuit board 132 on the fixed base 111 of this shell 11.
This impeller unit 14 has a wheel hub 141, a plurality of magnet ring 143, that is affixed on these wheel hub 141 inner faces from this wheel hub 141 outward extending flabellums 142, a ring extends downwards and the rotating shaft 144, of passing the through hole 120 of this bearing 122 is fastened on the clasp 145 of these rotating shaft 144 bottoms from this wheel hub 141, and a pad 146 that is placed in the oil storage tank 112 of this fixed base 111 and is conflicted by this rotating shaft 144.
When the rotating shaft 144 of this impeller unit 14 is rotated, can form centrifugal force and the fluid in this rotating shaft 144 is thrown away, make the fluid in this oil storage tank 112 can travel up to the end face of this bearing 122 along this rotating shaft 144.Then, the chamfering 127 of shaft part 123 flows into described groove 125 on this.At last, flow back to again in this oil storage tank 112, finish the action of oil return via the described groove 126 of wearing.
When this fan 1 of assembling, be earlier this bearing 122 to be forced in this axle sleeve 121, again this rotating shaft 144 is penetrated the through hole 120 of this bearing 122.Therefore yet this bearing 122 is to reach fixing in the close-fitting mode, makes this through hole 120 be squeezed easily and the doubt of distortion is arranged, and then influence the straigheness of this rotating shaft 144, causes these rotating shaft 144 runnings to have some setbacks and the noise that rotates, and causes the shortening life time.Simultaneously, because the upper end open of this axle sleeve 121 there is no any structure that stops, fluid very likely can overflow when flowing through these bearing 122 end faces.
As shown in Figure 4, show the aspect of another existing fan 2, this fan 2 comprises a shell 21, a bearing unit 22, a stator unit 23, and an impeller unit 24.This shell 21, stator unit 23 are identical with aforesaid fan 1 (see figure 3) with the structure of impeller unit 24, repeat no more.And this bearing unit 22 has an axle sleeve 221, and urgently is placed in bearing 222 in this axle sleeve 221, and a lid is butted on the bearing cap 223 of these axle sleeve 221 upper end open.Utilize the setting of this bearing cap 223, release to avoid fluid.Though this fan 2 can solve the problem that fluid overflows,, this fan 2 still exists these impeller unit 24 runnings and has some setbacks and the phenomenon of the noise that can rotate, and causes the problem of life time cripetura.
[model utility content]
The purpose of this utility model is a kind of radiation fan with circulating oil path to be provided, the circuit oil circuit can be provided, and makes running smooth and easy, expanded service life.
A kind of radiation fan of the present utility model with circulating oil path, comprise a shell block unit, one bearing unit, one impeller unit, an and stator unit, this shell block unit has a fixed base, an and supporting drum that is arranged on this fixed base, this bearing unit has a bearing that is contained in the supporting drum of this shell block unit, this impeller unit has the wheel hub group of a hollow, a plurality of from the outward extending flabellum of this wheel hub group, one is arranged on the magnetic rings of this wheel hub group inner face, an and rotating shaft of extending and passing this bearing downwards from this wheel hub group, this stator unit is between the supporting drum of the magnetic rings of this impeller unit and this shell block unit, it is characterized in that: be formed with at least one groove on the inner face of this supporting drum, this bearing unit also has a positioning ring that is used to compress this bearing, this bearing has a body that defines an axis hole, and at least one connecting groove that extends and be connected to lower recess from this body end face with the groove of this supporting drum, define an oil storage space that is communicated with this groove between the bottom surface of this bearing and the supporting drum, define a flowing space that is connected with the groove of this supporting drum between this bearing end face and the wheel hub group, when the rotating shaft of this impeller unit is rotated, can the axis hole upwards attraction of the fluid of this oil storage space along this bearing will be placed in, and flow to this flowing space, flow downward via the connecting groove of this bearing and along the groove of this supporting drum, and get back to this oil storage space, to constitute a circulating oil path.
The beneficial effects of the utility model are: see through described groove and connecting groove, can allow fluid be back to this oil storage space from this flowing space, reach and circulate, simultaneously, compress this bearing and make it can reach the location by this positioning ring, therefore, this rotating shaft can't be pushed by this bearing, can turn round swimmingly, and then expanded service life.
[description of drawings]
Fig. 1 is a three-dimensional exploded view, and the structure of an existing fan is described;
Fig. 2 is a stereogram, the aspect of a bearing of fan in the explanatory drawing 1;
Fig. 3 is a cross sectional side view of this fan;
Fig. 4 is a cross sectional side view, and the aspect of the fan that another is existing is described;
Fig. 5 is a cross sectional side view, and the aspect of the preferred embodiment of the radiation fan that the utlity model has circulating oil path is described;
Fig. 6 is a stereogram, and the aspect of supporting drum of a shell block unit of this preferred embodiment is described;
Fig. 7 is a partial perspective cutaway view, and the aspect of a bearing of this preferred embodiment is described; And
Fig. 8 is a partial top view, in order to the aspect of this Bearing Installation at this supporting drum to be described.
[embodiment]
Below in conjunction with drawings and Examples the utility model is elaborated:
Shown in Fig. 5～8, the utlity model has the preferred embodiment of the radiation fan of circulating oil path, comprise a shell block unit 3, a bearing unit 4, an impeller unit 5, and a stator unit 6.
This shell block unit 3 has a fixed base 31, and is arranged on this fixed base 31 supporting drum 32, a pad 33, and a flat thin magnet 34.This supporting drum 32 has one and is arranged on diapire 321, on this fixed base 31 from the upwardly extending surrounding wall 322 of these diapire 321 outer periphery, and a plurality of intervals and be formed on groove 323 on the inner face of this diapire 321 and surrounding wall 322 symmetrically.These diapire 321 end faces be formed with one can ccontaining this pad 33 containing groove 324.This flat thin magnet 34 is the bottoms that are positioned at the diapire 321 of this supporting drum 32.
In this preferred embodiment, be to be example with four grooves 323, still, in practical application, can have only a groove 323.Certainly, also can be two, three, or the groove more than four 323.
This bearing unit 4 has a bearing 41 that is contained in the supporting drum 32 of this shell block unit 3, and ring surrounding wall 322 upper limbs that are affixed on this supporting drum 32 reach the positioning ring 42 of location in order to compress this bearing 41.This bearing 41 has one can define the body 411 of an axis hole 410, a plurality of connecting groove 412 that extends and be connected with the groove 323 of described supporting drum 32 respectively to lower recess from these body 411 end faces, and the two appearance oil ring ditches 413 that are formed at intervals up and down on this body 411.This impeller unit 5 has the wheel hub group 51 of a hollow, most sheet and extends downwards and pass the bearing 41 of this bearing unit 4 and be resisted against a rotating shaft 54 on the pad 33 of this shell block unit 3 and a clasp 55 from this wheel hub group 51 from the magnetic rings 53, that these wheel hub group 51 outward extending flabellums 52, are arranged on these wheel hub group 51 inner faces.
This wheel hub group 51 has an embedding seat that plugs for this rotating shaft 54 511, outward extending dull and stereotyped 512 from this embedding seat 511, and a ring flat-plate 513 that extends downwards from these flat board 512 peripheries.This embedding seat 511 has one and protrudes the also occlusion part 514 of the positioning ring 42 of these bearing units 4 of vicinity of this flat board 512.In this preferred embodiment, this embedding seat 511 and dull and stereotyped 512 is to separate to make, but also can be integrated, should be as limit.
Being formed with one on the bottom of this rotating shaft 54 can be for the annular groove 541 of these clasp 55 buckles, and this clasp 55 is between the bearing 41 of the supporting drum 32 of this shell block unit 3 and this bearing unit 4, can prevent that this rotating shaft 54 breaks away from this bearing 41.In this preferred embodiment, this rotating shaft 54 is made for the metal material that contains iron, can utilize the flat thin magnet 34 of this shell block unit 3 to attract this rotating shaft 54, makes the running of this rotating shaft 54 more steady.Preferably, this rotating shaft 54 is made for the metal material that contains elements such as iron, manganese, nickel.
This stator unit 6 is between the supporting drum 32 of the magnetic rings 53 of this impeller unit 5 and this shell block unit 3, rotates in order to promote this impeller unit 5.This stator unit 6 has a stator 61 that is sheathed on this supporting drum 32, and the circuit board 62 of this stator 61 of connection.When these circuit board 62 energisings, can make this stator 61 and this magnetic rings 53 form repulsion, rotate so as to promoting this impeller unit 5.
Can define a flowing space 7 that is connected with each groove 323 and the axis hole 410 of this supporting drum 32 between the end face of the bearing 41 of this bearing unit 4 and the embedding seat 511 of this wheel hub group 51.The diapire 321 of the bottom surface of this bearing 41 and this supporting drum 32 can define one with each groove 323, containing groove 324, and the oil storage space 8 that is connected of axis hole 410.
Because the spacing between the axis hole 410 of this rotating shaft 54 and this bearing 41 is small, can drink up by the fluid that siphon effect will be placed in this oil storage space 8.And in the running, then utilize the rotation of this rotating shaft 54 to produce centrifugal force and fluid is thrown away, make fluid to travel up to this flowing space 7 along this axis hole 410.See through the design of the occlusion part 514 of this embedding seat 511, can prevent that fluid from overflowing.
Then, fluid each connecting groove 412 from this flowing space 7 along this bearing 41 again flow to corresponding groove 323, flows downward and take advantage of a situation.In the process, can keep an amount of fluid by each the appearance oil ring ditch 413 on this bearing 41.At last, fluid can be got back to this oil storage space 8 once again, just finishes a circuit oil circuit.By the design of this circulating oil path, allow this impeller unit 5 in the running, can be by lubricated and can rotate swimmingly at any time.
What deserves to be mentioned is that the bottom surface of this bearing 41 is the aspects that are designed to sagged shape, can increase the oil reserve of this oil storage space 8.In addition, owing to exist a gap between this occlusion part 514 and this positioning ring 42, and this gap should be looked the fluid kind of use and suitably adjust.In principle, if the oil viscosity that uses hour, this gap should be turned down.
Because this design with radiation fan of circulating oil path is to utilize this positioning ring 42 to compress this bearing 41, to reach positioning action.Therefore, this bearing 41 with then do not need cooperating of this supporting drum 32 as the design as existing, be to assemble in the mode that is forced into.In other words, the axis hole 410 of this bearing 41 can keep original precision and can not be squeezed, and avoids producing the situation of torsional deformation, and therefore this rotating shaft 54 then can be kept should straigheness, can smooth-going and stably rotate in this axis hole 410.Therefore, reduce the generation of friction improperly and noise, to prolong its life time.
Conclude above-mentioned, the utlity model has the radiation fan of circulating oil path, be to utilize this positioning ring 42 to compress this bearing 41, and allow this bearing 41 locate, can not remove to push the axis hole 410 of this bearing 41, can avoid the situation of these rotating shaft 54 generation torsional deformations, therefore, can reduce the generation that rubs improperly when turning round with noise, to prolong its life time.
Claims (14)
1. radiation fan with circulating oil path, comprise a shell block unit, one bearing unit, one impeller unit, an and stator unit, this shell block unit has a fixed base, an and supporting drum that is arranged on this fixed base, this bearing unit has a bearing that is contained in the supporting drum of this shell block unit, this impeller unit has the wheel hub group of a hollow, a plurality of from the outward extending flabellum of this wheel hub group, one is arranged on the magnetic rings of this wheel hub group inner face, an and rotating shaft of extending and passing this bearing downwards from this wheel hub group, this stator unit is between the supporting drum of the magnetic rings of this impeller unit and this shell block unit, it is characterized in that: be formed with at least one groove on the inner face of this supporting drum, this bearing unit also has a positioning ring that is used to compress this bearing, this bearing has a body that defines an axis hole, and at least one connecting groove that extends and be connected to lower recess from this body end face with the groove of this supporting drum, define an oil storage space that is communicated with this groove between the bottom surface of this bearing and the supporting drum, define a flowing space that is connected with the groove of this supporting drum between this bearing end face and the wheel hub group.
2. have the radiation fan of circulating oil path according to claim 1, it is characterized in that: the bearing of this bearing unit also has a plurality of appearance oil ring ditches that are formed at intervals up and down on this body.
3. the radiation fan that has circulating oil path according to claim 1, it is characterized in that: the wheel hub group of this impeller unit has one and supplies the embedding seat, of this rotating shaft setting from the outward extending flat board of this embedding seat, reach one from the downward ring flat-plate that extends of this flat board periphery, this embedding seat has one and protrudes the also occlusion part of the positioning ring of this bearing unit of vicinity of this flat board.
4. the radiation fan that has circulating oil path according to claim 1, it is characterized in that: the rotating shaft of this impeller unit is formed with an annular groove on the bottom, and this impeller unit has more one and is snapped on the annular groove of this rotating shaft and the clasp between this supporting drum and this bearing.
5. have the radiation fan of circulating oil path according to claim 1, it is characterized in that: this stator unit has a stator that is sheathed on the supporting drum of this shell block unit, and a circuit board that connects this stator.
6. the radiation fan that has circulating oil path according to claim 1, it is characterized in that: be formed with a plurality of intervals and symmetrically arranged groove on the supporting drum inner face of this shell block unit, this bearing has a plurality of connecting grooves that extend and be connected with the groove of this supporting drum respectively to lower recess from this body end face.
7. the radiation fan that has circulating oil path according to claim 1, it is characterized in that: the supporting drum of this shell block unit has a diapire that is arranged on this fixed base, reach one from the upwardly extending surrounding wall of these diapire outer periphery, this groove is formed on the inner face of this diapire and surrounding wall, and the positioning ring of this bearing unit is arranged on the inner face of this surrounding wall.
8. as having the radiation fan of circulating oil path as described in the claim 7, it is characterized in that: this shell block unit also has a flat thin magnet that is positioned at the diapire bottom of this supporting drum, and the rotating shaft of this impeller unit is that to contain the metal material of iron made.
9. as having the radiation fan of circulating oil path as described in the claim 8, it is characterized in that: the diapire of this supporting drum is formed with a containing groove that is connected with this oil storage space, this shell block unit also have one be placed in this containing groove and for the rotating shaft of this impeller unit against pad.
10. as having the radiation fan of circulating oil path as described in the claim 9, it is characterized in that: the bearing of this bearing unit also has a plurality of appearance oil ring ditches that are formed at intervals up and down on this body.
11. as having the radiation fan of circulating oil path as described in the claim 10, it is characterized in that: the wheel hub group of this impeller unit has one and supplies the embedding seat, of this rotating shaft setting from the outward extending flat board of this embedding seat, reach one from the downward ring flat-plate that extends of this flat board periphery, this embedding seat has one and protrudes the also occlusion part of the positioning ring of this bearing unit of vicinity of this flat board.
12. as having the radiation fan of circulating oil path as described in the claim 11, it is characterized in that: the rotating shaft of this impeller unit is formed with an annular groove on the bottom, and this impeller unit has more one and is snapped on the annular groove of this rotating shaft and the clasp between this supporting drum and this bearing.
13. as having the radiation fan of circulating oil path as described in the claim 12, it is characterized in that: this stator unit has a stator that is sheathed on the surrounding wall of this supporting drum, and a circuit board that is connected with this stator.
14. as having the radiation fan of circulating oil path as described in the claim 13, it is characterized in that: be formed with a plurality of intervals and symmetrically arranged groove on the supporting drum inner face of this shell block unit, this bearing has a plurality of connecting grooves that extend and be connected with the groove of this supporting drum respectively to lower recess from this body end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620121594 CN2918812Y (en) | 2006-06-28 | 2006-06-28 | Thermal fan having circulating oil-line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620121594 CN2918812Y (en) | 2006-06-28 | 2006-06-28 | Thermal fan having circulating oil-line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2918812Y true CN2918812Y (en) | 2007-07-04 |
Family
ID=38216630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620121594 Expired - Fee Related CN2918812Y (en) | 2006-06-28 | 2006-06-28 | Thermal fan having circulating oil-line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2918812Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457129A (en) * | 2010-10-22 | 2012-05-16 | 上海思考电子有限公司 | Oil bearing |
| CN104421198A (en) * | 2013-09-04 | 2015-03-18 | 台达电子工业股份有限公司 | Fan rotor structure and manufacture method thereof |
| CN105134642A (en) * | 2015-08-24 | 2015-12-09 | 联想(北京)有限公司 | Bearing, fan and rotating device |
| CN107191407A (en) * | 2017-04-19 | 2017-09-22 | 奇鋐科技股份有限公司 | Pipe-jointing structure in fan |
-
2006
- 2006-06-28 CN CN 200620121594 patent/CN2918812Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457129A (en) * | 2010-10-22 | 2012-05-16 | 上海思考电子有限公司 | Oil bearing |
| CN104421198A (en) * | 2013-09-04 | 2015-03-18 | 台达电子工业股份有限公司 | Fan rotor structure and manufacture method thereof |
| CN104421198B (en) * | 2013-09-04 | 2018-10-16 | 台达电子工业股份有限公司 | The rotor structure and its manufacturing method of fan |
| CN105134642A (en) * | 2015-08-24 | 2015-12-09 | 联想(北京)有限公司 | Bearing, fan and rotating device |
| CN107191407A (en) * | 2017-04-19 | 2017-09-22 | 奇鋐科技股份有限公司 | Pipe-jointing structure in fan |
| CN107191407B (en) * | 2017-04-19 | 2020-03-27 | 奇鋐科技股份有限公司 | Fan middle tube combination structure |
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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: 20070704 |