CN110273856A - Prevent fan oil leak structure - Google Patents
Prevent fan oil leak structure Download PDFInfo
- Publication number
- CN110273856A CN110273856A CN201810220404.XA CN201810220404A CN110273856A CN 110273856 A CN110273856 A CN 110273856A CN 201810220404 A CN201810220404 A CN 201810220404A CN 110273856 A CN110273856 A CN 110273856A
- Authority
- CN
- China
- Prior art keywords
- oil
- scraper ring
- ring portion
- axle sleeve
- fan
- 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.)
- Pending
Links
- 239000003921 oil Substances 0.000 claims abstract description 85
- 239000012208 gear oil Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 241000883990 Flabellum Species 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/063—Lubrication specially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention is mainly made of an outer cover unit, a stator unit and a rotor unit, it is collocated with each other by the middle pipe of stator unit and the axle sleeve of rotor unit, simultaneously, the design in the first oil scraper ring portion and the second oil scraper ring portion of axle sleeve, lubricating oil can effectively be kept out to leak outward, so that lubricating oil is not easy to ooze out from gap, also can prevent fan in the running, the phenomenon generation for getting rid of oil is reduced, the defect of prior art oil leak is solved.In addition, the present invention increases oil storage space in fan, under conditions of not increasing component, not increasing cost, effectively promote the structure of closing leakproof and protect the effect of oil, and then promotes the oil return ratio of lubricating oil and extend the service life of fan entirety.
Description
Technical field
The present invention prevents fan oil leak structure about a kind of fan, especially with regard to one kind.
Background technique
With the progress that computer technology is maked rapid progress, and the central processing unit used in computer mainframe internal
(CPU) heat generated is also relatively higher and higher, therefore Usings the fan to secondary CPU heat dissipation, has become now
Inevitable trend.Wherein the bearing 1 of fan generally uses oil lubrication, and guarantor's oil effect of the present bearing 1 is generally not to the utmost
Ideal, with the loss of lubricating oil in the bearing 1, the friction between the shaft 2 of fan and 1 inner wall of bearing can be increase accordingly,
To reduce the service life of the bearing 1, and then reduce the service life of fan.
Refering to Figure 1, the prior art can the top of bearing 1 be arranged one annular oil scraper ring 3, the oil scraper ring 3 with
Oil storage space is formed between the bearing 1, gap is formed between the inner edge of the oil scraper ring 3 and the outer surface of the shaft 2, to avoid this
Friction when shaft 2 rotates between the two.But that there are oil storage spaces is small for the oil scraper ring 3 of existing fan installation, oil is got rid of in reduction
Structure function it is fairly limited, due to the structure qualification of fan, its oil storage space size is present in limited range.For
For fan, volume, size tool be there are certain requirements down, and the oil storage of its lubricating oil necessarily made is small, therefore its mobility is bad, leads
It causes lubricating oil that can not be back to the bearing 1 immediately to be lubricated, so that the problems such as fan reduced service life occurs.
Therefore, the memory space for how expanding lubricating oil in the structure of existing fan, the hair for avoiding oil leak, getting rid of oily situation
It is raw, as where the direction of present invention improvement to be studied.
Summary of the invention
The purpose of the present invention is to provide one kind to prevent fan oil leak structure, mainly increases oil storage space in fan, with
The oil return ratio that lubricating oil can be promoted is protected oil and extends fan whole service life.
To reach above-mentioned purpose, the present invention is that one kind prevents fan oil leak structure, includes:
One outer cover unit, comprising an accommodating space and a projection the accommodating space base portion；
One stator unit is set to the accommodating space, and includes a middle pipe for being set to the base portion, manage in this managed in recessed one it is recessed
Slot, pipe groove has an oil scraper ring wall in this；And
One rotor unit is hubbed at the accommodating space, and includes a shaft and one that can be rotatably incorporated into the stator unit
It is sheathed on the axle sleeve of the shaft, which has one to be inserted into the first oil scraper ring portion of pipe groove in this and one be inserted into this
Pipe groove and with the first oil scraper ring portion at a distance of a distance the second oil scraper ring portion.
Preferably, wherein the middle pipe of the oil scraper ring wall projection two towards the axle sleeve keeps off oily section, the first oil scraper ring portion's projection
Axle sleeve of pipe groove keeps off oily section in two towards this.
Preferably, wherein forming a first gear oil groove between the first oil scraper ring portion and the second oil scraper ring portion, this second
A second gear oil groove is formed between oil scraper ring portion and the shaft.
Preferably, wherein in this pipe by weld or riveted in a manner of the base portion is set.
Preferably, wherein the rotor unit further include one be set in the wheel hub of the axle sleeve, one be set in the wheel hub impeller,
And one be attached at the hub inner surface magnet ring.
Preferably, wherein the impeller is ejection formation.
Preferably, wherein the stator unit further includes one drive circuit plate, which has a through-hole, the driving
Circuit board is centered around the base portion by the through-hole.
Accordingly, the present invention is mainly made of an outer cover unit, a stator unit and a rotor unit, by fixed
The middle pipe of subelement and the axle sleeve of rotor unit are collocated with each other, meanwhile, the first oil scraper ring portion and the second oil scraper ring portion of axle sleeve
Design, can effectively keep out lubricating oil and leak outward, so that lubricating oil is not easy to ooze out from gap, can also prevent fan
In the running, the phenomenon generation for getting rid of oil is reduced, the defect of prior art oil leak is solved.In addition, the present invention increases oil storage in fan
Space effectively promotes the structure of closing leakproof and protects the effect of oil, in turn under conditions of not increasing component, not increasing cost
The oil return ratio for promoting lubricating oil is protected oil and extends the service life of fan entirety.
Detailed description of the invention
Fig. 1 is the structure sectional view of prior art fan.
Fig. 2 is the assembled sectional view of first embodiment of the invention.
Fig. 3 is the partial enlarged view of first embodiment of the invention.
Fig. 4 is the stereogram exploded view of two component of second embodiment of the invention, pipe and axle sleeve in display.
Fig. 5 is the combination top view of Fig. 4 embodiment.
Fig. 6 is the assembled sectional view of second embodiment of the invention.
Description of symbols.
The prior art:
Bearing 1
Shaft 2
Oil scraper ring 3；
The present invention:
Outer cover unit 20
First shell 21
Air outlet 211
Second housing 22
Accommodating space 23
Base portion 24
Airflow hole 25
Stator unit 30
Middle pipe 31
Middle pipe groove 311
Oil scraper ring wall 312
Middle pipe keeps off oily section 313
Drive circuit board 32
Through-hole 321
Stator core 33
Through hole 331
Rotor unit 40
Shaft 41
Axle sleeve 42
First oil scraper ring portion 421
Second oil scraper ring portion 422
First gear oil groove 423
Second gear oil groove 424
Axle sleeve keeps off oily section 425
Axle sleeve ditch 426
Wheel hub 43
Impeller 44
Flabellum 441
Magnet ring 45
Bearing 50.
Specific embodiment
It please refers to shown in Fig. 2 to Fig. 3, first embodiment of the invention, which provides one kind, prevents fan oil leak structure, is mainly
It is made of an outer cover unit 20, a stator unit 30 and a rotor unit 40, in which:
The outer cover unit 20, comprising one first shell 21, one can with first shell 21 assemble second housing 22, one by this
The accommodating space 23 that first shell 21 is defined with the second housing 22；First shell 21 opens up an air outlet 211；This second
22 projection one of shell is located at the base portion 24 of the accommodating space 23, and the second housing 22 all have with the base portion 24 it is several
The airflow hole 25 being connected to the air outlet 211 is entered and left with supplied gas and is flowed.
The stator unit 30 is set to accommodating space 23, and includes middle pipe 31, the one drive circuit for being set to the base portion 24
Plate 32, one is sheathed on the stator core 33 of 31 outer surface of pipe in this；Pipe groove 311, pipe groove in this in pipe 31 recessed one in this
311 have an oil scraper ring wall 312；The drive circuit board 32 has a through-hole 321, which passes through the through-hole 321
It is centered around the base portion 24；33 system of stator core is pushed away by least two silicon steel sheets and is repeatedly formed, and opens up one for being somebody's turn to do in centre
The perforative through hole 331 of middle pipe 31 and the outer surface for sticking on pipe 31 in this.The drive circuit board 32 passes through conducting wire and the stator
Iron core 33 connects, to power to the stator core 33；In the present embodiment, the base portion is arranged in pipe 31 in a welding manner in this
24, but not limited to this, and the base portion 24 can also be arranged in by way of riveted.
The rotor unit 40 is hubbed at the accommodating space 23, and includes that one can rotatably be incorporated into the stator unit 30
Shaft 41, one be sheathed on the shaft 41 axle sleeve 42, one be set in the axle sleeve 42 wheel hub 43, one be set in the wheel hub 43 and
The impeller 44 and one extended from 43 outer peripheral edge of wheel hub to external radiation is attached at 43 inner surface of wheel hub and in hollow magnet ring
45；There is the axle sleeve 42 a first oil scraper ring portion 421 and one for being inserted into pipe groove 311 in this to be inserted into pipe groove 411 in this
And with the first oil scraper ring portion 421 at a distance of the second oil scraper ring portion 422 of a distance；The wheel hub 43 is rotationally to be nested with and be pivoted
In the axle sleeve 42, which can be driven to rotate by the axle sleeve 42；The impeller 44 is ejection formation, and is had at least
Two and spaced flabellum 441；The magnet ring 45 is the inner surface that shape is set to the wheel hub 43 with being consistent；Lead to as a result,
The axle sleeve 42 of the middle pipe 31 and rotor unit 40 of crossing stator unit 30 is collocated with each other, meanwhile, first oil scraper ring of the axle sleeve 42
The design in portion 421 and the second oil scraper ring portion 422 can effectively keep out lubricating oil and leak outward, solve prior art oil leak
Defect.
It for the ease of the reflux of lubricating oil, please refers to shown in Fig. 3, the first oil scraper ring portion 421 and the second oil scraper ring portion
A first gear oil groove 423 is formed between 422, forms a second gear oil groove between the second oil scraper ring portion 422 and the shaft 41
424, such design not only enables the smooth reflux of lubricating oil, moreover it is possible to increase oil storage space and be protected oil, make the shaft of fan
41 and one locate lubricating status between bearing 50 for a long time, so that fan life is short before solving the problems, such as, and then it is whole to extend fan
Service life.The route of lubricating oil flow is depicted with arrows in figure.
It please refers to shown in fig. 4 to fig. 6, is second embodiment of the invention, the present embodiment, which is different from the first embodiment, to be: should
The middle pipe of 312 projection two of oil scraper ring wall towards the axle sleeve 42 keeps off oily section 313,421 projection of the first oil scraper ring portion two towards this in manage
The axle sleeve of groove 311 keeps off oily section 425, and pipe keeps off oily section 313 in this and the axle sleeve keeps off mutually projecting between 425 liang of components of oily section set
Meter forms secondary protection, have both the practical improvement for preferably protecting oily effect and reduce lubricating oil abrasion and other effects, remaining structure,
Assembled state is identical with the first embodiment with effect.In addition, please refer to shown in Fig. 2, Fig. 5, when this in two pipe keep off oily section 313 and distinguish
After Chong Die with two axle sleeve ditches 426 impeller 44 can nature be attracted, remove the impeller 44 when after be also in this way, when two oil scraper ring
Wall 312 is Chong Die with two axle sleeve ditches 426 respectively, which just can remove easily.
The above is the assembled state explanation of each main member of the embodiment of the present invention.As for usage mode of the invention
And effect makes the following instructions.
The producible effect of the present invention is as follows:
First, it is collocated with each other by the middle pipe 31 of the stator unit 30 and the axle sleeve 42 of the rotor unit 40, first oil scraper ring
Portion 421 can effectively keep out lubricating oil with the second oil scraper ring portion 422 and leak outward, so that lubricating oil is not easy from gap
Exudation, also can prevent fan in the running, reduce the phenomenon generation for getting rid of oil.
Second, increase oil storage space in fan, under conditions of not increasing component, not increasing cost, it is anti-effectively to promote closing
The structure of leakage can increase the oil reserve in fan and be protected oil, and then promotes the oil return ratio of lubricating oil and extend fan entirety
Service life purpose.
In conclusion above-described embodiment and attached drawing are only presently preferred embodiments of the present invention, this hair cannot be limited with this
Bright practical range, it is all according to equivalent variations made by scope of the present invention patent and modification, it all should belong to the invention patent institute
The range covered.
Claims (7)
1. one kind prevent fan oil leak structure, characterized by comprising:
One outer cover unit, comprising an accommodating space and a projection the accommodating space base portion；
One stator unit is set to accommodating space, and includes a middle pipe for being set to the base portion, manages pipe groove in recessed one in this,
Pipe groove has an oil scraper ring wall in this；And
One rotor unit is hubbed at the accommodating space, and include a shaft that can be rotatably incorporated into the stator unit and
One is sheathed on the axle sleeve of the shaft, which has one to be inserted into the first oil scraper ring portion of pipe groove in this and one be inserted into this
Middle pipe groove and with the first oil scraper ring portion at a distance of a distance the second oil scraper ring portion.
2. preventing fan oil leak structure as described in claim 1, which is characterized in that the oil scraper ring wall projection two is towards the axle sleeve
Middle pipe keep off oily section, the first oil scraper ring portion's projection two towards this in the axle sleeve of pipe groove keep off oily section.
3. preventing fan oil leak structure as described in claim 1, which is characterized in that the first oil scraper ring portion and second gear oil
A first gear oil groove is formed between ring portion, and a second gear oil groove is formed between the second oil scraper ring portion and the shaft.
4. preventing fan oil leak structure as described in claim 1, which is characterized in that in this pipe by weld or riveted in a manner of set
It sets in the base portion.
5. preventing fan oil leak structure as described in claim 1, which is characterized in that the rotor unit also includes one to be set in this
The wheel hub of axle sleeve, one are set in the impeller of the wheel hub and magnet ring that one is attached at the hub inner surface.
6. preventing fan oil leak structure as claimed in claim 5, which is characterized in that the impeller is ejection formation.
7. preventing fan oil leak structure as described in claim 1, wherein the stator unit further includes one drive circuit plate, the drive
Dynamic circuit board has a through-hole, which is set in the base portion by the through-hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810220404.XA CN110273856A (en) | 2018-03-16 | 2018-03-16 | Prevent fan oil leak structure |
| TW107109754A TWI683964B (en) | 2018-03-16 | 2018-03-22 | Fan oil leakage prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810220404.XA CN110273856A (en) | 2018-03-16 | 2018-03-16 | Prevent fan oil leak structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110273856A true CN110273856A (en) | 2019-09-24 |
Family
ID=67957804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810220404.XA Pending CN110273856A (en) | 2018-03-16 | 2018-03-16 | Prevent fan oil leak structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110273856A (en) |
| TW (1) | TWI683964B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI683964B (en) | 2020-02-01 |
| TW201938917A (en) | 2019-10-01 |
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