CN207989382U - Prevent fan oil leak structure - Google Patents
Prevent fan oil leak structure Download PDFInfo
- Publication number
- CN207989382U CN207989382U CN201820362347.4U CN201820362347U CN207989382U CN 207989382 U CN207989382 U CN 207989382U CN 201820362347 U CN201820362347 U CN 201820362347U CN 207989382 U CN207989382 U CN 207989382U
- Authority
- CN
- China
- Prior art keywords
- oil
- middle pipe
- scraper ring
- ring portion
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model is related to one kind preventing fan oil leak structure, mainly it is 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, meanwhile the design in the first oil scraper ring portion and the second oil scraper ring portion of axle sleeve, it can effectively keep out lubricating oil and leak outward, so that lubricating oil is not easy to ooze out from gap, also fan can be prevented in the running, reduces the phenomenon generation for getting rid of oil, solves the defect of prior art oil leak.In addition, the utility model increases oil storage space in fan, under conditions of not increasing component, not increasing cost, effectively promotes the structure of closing leakproof and protect the effect of oil, and then promote the service life of the oil return ratio and extension fan entirety of lubricating oil.
Description
Technical field
The utility model preventing fan oil leak structure about a kind of fan, especially with regard to one kind.
Background technology
With the progress that computer science and technology is maked rapid progress, and the central processing unit used in computer mainframe internal
（CPU）The heat of generation is also relatively higher and higher, therefore Usings the fan to secondary CPU heat dissipation, has become now
Inevitable trend.The bearing 1 of wherein 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 corresponding can increase,
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 there are certain requirements down, and the oil storage of its lubricating oil necessarily made is small, therefore its mobility is bad, leads
The bearing 1 that is back to that lubricating oil can not be immediately is caused 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 utility model improved direction to be studied.
Utility model content
The purpose of this utility model is to provide one kind preventing fan oil leak structure, and it is empty mainly to increase oil storage in fan
Between, the oil return ratio so as to promote lubricating oil is protected oil and extends fan whole service life.
To reach above-mentioned purpose, the utility model, which is one kind, preventing fan oil leak structure, including：
One outer cover unit includes the base portion of an accommodating space and a projection in the accommodating space；
One stator unit is set to the accommodating space, and includes a middle pipe for being set to the base portion, the recessed middle pipe of the middle pipe
Groove, the middle pipe groove have an oil scraper ring wall；And
One rotor unit is hubbed at the accommodating space, and include one can rotatably be incorporated into the stator unit shaft,
And one be sheathed on the shaft axle sleeve, which has one to be inserted into the first oil scraper ring portion of the middle pipe groove and one be inserted into
The middle pipe groove and with the first oil scraper ring portion at a distance of a distance the second oil scraper ring portion.
Preferably, the middle pipe of wherein the oil scraper ring wall projection two towards the axle sleeve keeps off oily section, the first oil scraper ring portion's projection
Two towards the middle pipe groove the oily section of axle sleeve gear.
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 the middle pipe by weld or riveted in a manner of be arranged in the base portion.
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 utility model is mainly made of an outer cover unit, a stator unit and a rotor unit, is led to
The axle sleeve of the middle pipe and rotor unit of crossing stator unit is collocated with each other, meanwhile, the first oil scraper ring portion and the second oil scraper ring of axle sleeve
The design in portion 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, reduces the phenomenon generation for getting rid of oil, solves the defect of prior art oil leak.In addition, the utility model increases wind
Oil storage space in fan effectively promotes the structure of closing leakproof and the effect for protecting oil under conditions of not increasing component, not increasing cost
Fruit, and then the oil return ratio for promoting lubricating oil is protected oil and extends the service life of fan entirety.
Description of the drawings
Fig. 1 is the structure sectional view of prior art fan.
Fig. 2 is the assembled sectional view of the utility model first embodiment.
Fig. 3 is the partial enlarged view of the utility model first embodiment.
Fig. 4 is the stereogram exploded view of two component of the utility model second embodiment, shows middle pipe and axle sleeve.
Fig. 5 is the combination top view of Fig. 4 embodiments.
Fig. 6 is the assembled sectional view of the utility model second embodiment.
Reference sign.
The prior art：
Bearing 1
Shaft 2
Oil scraper ring 3；
The utility model：
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 gear oil 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 gear oil section 425
Axle sleeve ditch 426
Wheel hub 43
Impeller 44
Flabellum 441
Magnet ring 45
Bearing 50.
Specific implementation mode
It please refers to shown in Fig. 2 to Fig. 3, the utility model first embodiment, which provides one kind, preventing fan oil leak structure, master
If being made of an outer cover unit 20, a stator unit 30 and a rotor unit 40, wherein：
The outer cover unit 20, including the second housing 22, one that one first shell 21, one can be assembled with first shell 21
The accommodating space 23 defined by first shell 21 and the second housing 22；First shell 21 opens up an air outlet 211；It should
22 projection one of second housing is located at the base portion 24 of the accommodating space 23, and the second housing 22 all has with the base portion 24
Several airflow holes 25 being connected to the air outlet 211 are come in and gone out with supplied gas and are flowed.
The stator unit 30 is set to accommodating space 23, and includes one to be set to the middle pipe 31 of the base portion 24, one drive circuit
Plate 32, one is sheathed on the stator core 33 of 31 outer surface of middle pipe；The 31 recessed middle pipe groove 311 of middle pipe, the middle pipe groove
311 have an oil scraper ring wall 312；There is the drive circuit board 32 through-hole 321, the drive circuit board 32 to pass 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
31 perforative through hole 331 of middle pipe and the outer surface for sticking on the middle pipe 31.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, which is arranged in a welding manner in the base portion
24, but not limited to this, can be also arranged by way of riveted in the base portion 24.
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 is in hollow magnet ring
45；There is the axle sleeve 42 a first oil scraper ring portion 421 and one for being inserted into the middle pipe groove 311 to be inserted into the middle pipe groove 411
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 axle sleeve 42；The impeller 44 is ejection formation, and 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 middle pipe 31 for crossing stator unit 30 and the axle sleeve 42 of rotor unit 40 are 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, and a second gear oil groove is formed 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, to which fan life is short before solving the problems, such as, and then extend fan entirety
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 the utility model second embodiment, the present embodiment is different from the first embodiment
In：The middle pipe of 312 projection two of oil scraper ring wall towards the axle sleeve 42 keeps off oily section 313,421 projection two towards this of the first oil scraper ring portion
The oily section 425 of axle sleeve gear of middle pipe groove 311, it is mutually projecting between the oily section 313 of middle pipe gear and axle sleeve gear 425 liang of components of oily section
Design, form secondary protection, have both and preferably protect the practical improvement of oily effect and reduce lubricating oil abrasion and other effects, remaining knot
Structure, assembled state and effect are identical with the first embodiment.In addition, please referring to Fig.2, shown in Fig. 5, when two middle pipe keeps off oily section 313
After Chong Die with two axle sleeve ditches 426 respectively the impeller 44 can nature be attracted, remove the impeller 44 when after be also in this way, when two gear
Oil 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 utility model embodiment.As for the utility model
Occupation mode and effect make the following instructions.
The producible effect of the utility model 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, the first gear
Oil 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 seam
It is oozed out in gap, 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 promote the oil return ratio and extension fan entirety of lubricating oil
Service life purpose.
In conclusion above-described embodiment and attached drawing are only the preferred embodiment of the utility model, cannot be limited with this
The scope of the utility model, all equivalent variations made according to the patent scope of the utility model and modification, should all belong to
The range that the utility model patent is covered.
Claims (7)
1. one kind preventing fan oil leak structure, which is characterized in that include：
One outer cover unit includes the base portion of an accommodating space and a projection in the accommodating space；
One stator unit, be set to accommodating space, and include one be set to the base portion middle pipe, the recessed middle pipe groove of the middle pipe,
The middle pipe groove has an oil scraper ring wall；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 the middle pipe groove 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
The oily section of middle pipe gear, axle sleeve gear oily section of the first oil scraper ring portion's projection two towards the middle pipe groove.
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 the middle 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 is also set in this comprising one
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, the wherein stator unit from further including one drive circuit plate as described in claim 1, the drive
There is dynamic circuit board a through-hole, the drive circuit board to be set in the base portion by the through-hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362347.4U CN207989382U (en) | 2018-03-16 | 2018-03-16 | Prevent fan oil leak structure |
| TW107203687U TWM578746U (en) | 2018-03-16 | 2018-03-22 | Oil leakage preventing structure of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362347.4U CN207989382U (en) | 2018-03-16 | 2018-03-16 | Prevent fan oil leak structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989382U true CN207989382U (en) | 2018-10-19 |
Family
ID=63827230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362347.4U Active CN207989382U (en) | 2018-03-16 | 2018-03-16 | Prevent fan oil leak structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207989382U (en) |
| TW (1) | TWM578746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273856A (en) * | 2018-03-16 | 2019-09-24 | 东莞市翰硕塑胶有限公司 | Prevent fan oil leak structure |
-
2018
- 2018-03-16 CN CN201820362347.4U patent/CN207989382U/en active Active
- 2018-03-22 TW TW107203687U patent/TWM578746U/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273856A (en) * | 2018-03-16 | 2019-09-24 | 东莞市翰硕塑胶有限公司 | Prevent fan oil leak structure |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM578746U (en) | 2019-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106026492B (en) | A kind of super high speed motor | |
| US9729027B2 (en) | Cooling structure of rotary electric machine | |
| TW201704629A (en) | Miniature gas turbine generator | |
| JP2006353051A (en) | Cooling system for electric motor | |
| CN207989382U (en) | Prevent fan oil leak structure | |
| JPS58102819A (en) | Tilting pad bearing | |
| CN101153632B (en) | Oil-storage bearing structure and fan motor | |
| CN105179462B (en) | A kind of ripple foil-type air hydrodynamic bearing | |
| EP1998063A3 (en) | Centrifugal clutch and straddle type vehicle including the centrifugal clutch | |
| CN110273856A (en) | Prevent fan oil leak structure | |
| CN101363443A (en) | Radiator fan | |
| CN202673710U (en) | Axially-positioned oilproof and dustproof fan with long service lifetime and motor structure | |
| CN208900554U (en) | A kind of high power density bearing of motor sealing structure | |
| TWI546453B (en) | Cooling fan | |
| CN202597235U (en) | Dustproof and oil leakage prevention heat radiation fan structure | |
| US20150004016A1 (en) | Fan comprising nano-bearing | |
| JP5331768B2 (en) | Torque converter | |
| CN112510909B (en) | Motor rotor balance disc and motor | |
| CN210317460U (en) | Metal lamination coupling with ventilation performance | |
| CN200946586Y (en) | Pressure-increasing oil-keeping structure of heat radiation fan | |
| CN219760765U (en) | Flywheel energy storage device shell and flywheel energy storage device | |
| CN211630025U (en) | Oil circuit structure of oil-cooled motor | |
| CN103867461A (en) | Cooling fan | |
| CN217935381U (en) | Integrated BSG motor system | |
| CN215042019U (en) | Electric drive, housing and cooling circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |