CN107588036A - A kind of fan sealed-bearing - Google Patents
A kind of fan sealed-bearing Download PDFInfo
- Publication number
- CN107588036A CN107588036A CN201710894463.0A CN201710894463A CN107588036A CN 107588036 A CN107588036 A CN 107588036A CN 201710894463 A CN201710894463 A CN 201710894463A CN 107588036 A CN107588036 A CN 107588036A
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- China
- Prior art keywords
- bearing
- sealed
- fan
- cap liner
- top shell
- 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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- Support Of The Bearing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of fan sealed-bearing,Including top shell,Cap liner,Rubber sheet gasket,O-shaped scraper ring and bearing main body,Top shell covers one accommodating cavity of formation above bearing main body,Cap liner is arranged in accommodating cavity and top is in contact with top shell inwall,Rubber sheet gasket is arranged in accommodating cavity,Rubber sheet gasket top is in contact with cap liner and lower section is in contact with bearing main body,Ring-shaped step is provided with above bearing main body,Cap liner,Rubber blanket,Sealed chamber is formed between ring-shaped step,O-shaped scraper ring is installed in sealed chamber,The fan sealed-bearing overall construction design of the present invention is reasonable,Top shell,Cap liner,Rubber blanket,O-shaped scraper ring,Each component layouts of bearing main body are reasonable in design,It is closely contacted with each other,Good airproof performance,Effectively it can prevent lubricating oil from being moved up along axle center,Increase fan service life,Ensure that fan runs well,Meet use demand.
Description
Technical field
The present invention relates to fan spindle bearing field, and in particular to a kind of fan sealed-bearing.
Background technology
Computer fan is one of important component of computer heat radiation system, computer fan structure is more closed
Reason, radiating effect are more preferable, the research direction of the longer always computer fan of service life, and computer fan is typically all by straight
Brushless motor, fan frame, flabellum, bearing and other scattered part compositions, bearing is flowed to be arranged in fan frame and be sheathed on flabellum axle center
On, Bearing inner is packaged with the lubricating oil for being easy to flabellum axis rotation.
Found in real work, due to fan operationally, particularly in high temperature environments, lubricating oil can absorption with
Moved up in the presence of centrifugal force along axle center, from Bearing inner it is gradual on move on at flabellum, and finally thrown away by flabellum to fan frame
On, over time, the lubricating oil of Bearing inner can gradually be lost, and cause to lack lubrication between axle center and bearing
Oil formation dry friction, coefficient of friction increase, produces mutually abrasion, causes the bad phenomenons such as abnormal sound, vibrations, noise increasing.Therefore,
How to design it is a can be completely the good bearing arrangement of lubrication and seal, it appears it is very necessary.
The content of the invention
It is an object of the invention to：A kind of fan sealed-bearing is provided, seal oil can be pinned bearing, bearing block
It is interior, prevent lubricating oil warp beam from moving in the heart until excessive loss, increases service life, guarantee fan runs well, particular technique side
Case is as follows：
A kind of fan sealed-bearing, the body of the fan is a square frame, and square frame inwall is square with being located at by connecting rod
Bearing block at framework center is connected, and installation sealed-bearing inside bearing block, Fan axial center penetrates connection oil inside bearing block
Bearing is sealed, sealed-bearing includes top shell, cap liner, rubber sheet gasket, O-shaped scraper ring and bearing main body, and top shell section is " Qian " word
Type, top shell middle part are provided with top shell hole, and top shell covers one accommodating cavity of formation above bearing main body, and cap liner is arranged on accommodating
Intracavitary and top is in contact with top shell inwall, sealing hole is provided with the middle part of cap liner, rubber sheet gasket is arranged in accommodating cavity, rubber blanket
Piece top is in contact with cap liner and lower section is in contact with bearing main body, and rubber pad holes, bearing main body are provided with the middle part of rubber sheet gasket
Top is provided with ring-shaped step, and sealed chamber is formed between cap liner, rubber blanket, ring-shaped step, and O-shaped scraper ring is installed on sealed chamber
It is interior, be in contact above O-shaped scraper ring with cap liner and lower section is in contact with ring-shaped step inwall, top shell hole more than seal hole internal diameter and
Less than cap liner external diameter, sealing hole internal diameter is more than O-shaped scraper ring internal diameter and is less than O-shaped scraper ring external diameter, and rubber pad holes internal diameter is more than ring
Shape outer diameter of step.
As a preferred embodiment of the present invention, lubricating oil is filled with inside the accommodating cavity, sealed chamber.
Beneficial effect：The fan sealed-bearing overall construction design of the present invention is reasonable, top shell, cap liner, rubber blanket, O-shaped
Each component layouts of scraper ring, bearing main body are reasonable in design, are closely contacted with each other, good airproof performance, can effectively prevent lubricating oil along axle center
Move up, increase fan service life, ensure that fan runs well, meet use demand.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram that the sealed-bearing of the present invention is installed on fan；
Fig. 2 is the exploded view of the sealed-bearing of the present invention；
Fig. 3 is the structural representation of the sealed-bearing of the present invention；
Fig. 4 is that the sealed-bearing of the present invention is installed to the structural representation of embodiment 1 on fan；
Fig. 5 is that the sealed-bearing of the present invention is installed to the structural representation of embodiment 2 on fan.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described further：
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ", " water
It is flat ", " interior ", the orientation of the instruction such as " outer " or position relationship for based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than instruction or imply signified position or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, concrete condition can be regarded and understands that above-mentioned term exists
Concrete meaning in the present invention.
As shown in Figures 1 to 3, a kind of fan sealed-bearing, the body of the fan are a square frames 1, the inwall of square frame 1
It is connected by connecting rod 2 with the bearing block 3 at square frame center, the inside of bearing block 3 installation sealed-bearing 4, fan shaft
The heart 5 penetrates the inside of bearing block 3 connection sealed-bearing 4, and sealed-bearing 4 includes top shell 41, cap liner 42, rubber sheet gasket 43, O-shaped oil
Circle 44 and bearing main body 45, the section of top shell 41 are " Qian " font, and the middle part of top shell 41 is provided with top shell hole 41a, and top shell 41 covers peace
Above bearing main body 45, an accommodating cavity 46 is formed between top shell 41 and bearing main body 45, cap liner 42 is arranged on accommodating cavity
In 46 and top is in contact with the inwall of top shell 41, and the middle part of cap liner 42 is provided with sealing hole 42a, and rubber sheet gasket 43 is arranged on accommodating cavity
In 46, the top of rubber sheet gasket 43 is in contact with cap liner 42 and lower section is in contact with bearing main body 45, and the middle part of rubber sheet gasket 43 is set
Have a rubber pad holes 43a, the top of bearing main body 45 is provided with ring-shaped step 45a, cap liner 42, rubber sheet gasket 43, ring-shaped step 45a it
Between form sealed chamber 47, O-shaped scraper ring 44 is installed in sealed chamber 47, the O-shaped top of scraper ring 44 be in contact with cap liner 42 and
Lower section is in contact with ring-shaped step 45a inwalls, and the middle part of bearing main body 45 is provided with the through hole passed through for axle center.
Specifically, top shell hole 41a is more than sealing hole 42a internal diameters and is less than the external diameter of cap liner 42, cap liner 42 mainly rises and hidden
The effect of top shell hole 41a and spacing O-shaped scraper ring 44 is kept off, sealing hole 42a internal diameters are more than the O-shaped internal diameter of scraper ring 44 and are less than O-shaped scraper ring
44 external diameters, ensure that Fan axial center 5 fully contacts with O-shaped scraper ring 44, the O-shaped blind of scraper ring 44, prevent lubricating oil 8 from moving up, rubber
Rubber cushion hole 43a internal diameters are more than ring-shaped step 45a external diameters, and rubber sheet gasket 43 mainly make an uproar by a carrying cap liner 42, buffering vibration, reduction
The effect of sound, and the position that ring-shaped step 45a can not only pre-fix O-shaped scraper ring 44 is easily installed, while it is also prevented from O-shaped scraper ring 44
Radial deflection occurs when being rotated with Fan axial center 5.
Two kinds of embodiments of fan are installed to specifically, Fig. 4 and Fig. 5 are fan sealed-bearings of the present invention, Fig. 4 is embodiment
1, sealed-bearing 4 is arranged in bearing block 3, and fan shaft core 5 penetrates connection sealed-bearing 4, bearing block in bearing block 3 from top to bottom
3 bottoms installation cover plate 6 prevents fan shaft core 5 to be directly in contact with square frame 1, prevents noise from producing, and bearing block 3 is interior, accommodating
Chamber 46, the inside of sealed chamber 47 are filled with lubricating oil 8, and lubricating oil 8 is fully in contact with fan shaft core 5, and fan shaft core 5 rotates
When, the shuttling movement of lubricating oil 8 is driven, lubricating oil 8 not will be shifted up, and Fig. 5 is embodiment 2, and sealed-bearing 4 is arranged in bearing block 3,
Fan shaft core 5 penetrates connection sealed-bearing 4 in bearing block 3 from top to bottom, and the bottom of square frame 1 installation cap 7 prevents lubricating oil 8
Revealed from bottom, in bearing block 3, accommodating cavity 46, the inside of sealed chamber 47 be filled with lubricating oil 8, lubricating oil 8 is fully and fan shaft
Core 5 is in contact, and when fan shaft core 5 rotates, drives the shuttling movement of lubricating oil 8, lubricating oil 8 not will be shifted up, good airproof performance.The above two
Individual embodiment is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert the present invention's
Specific implementation is confined to these explanations, for general technical staff of the technical field of the invention, is not departing from this
On the premise of inventive concept, by some simple deduction or replace, the sealed-bearing of the present invention is applied to other fan structures
In, it should all be considered as belonging to protection scope of the present invention.
Claims (2)
1. a kind of fan sealed-bearing, the body of the fan is a square frame, and square frame inwall is by connecting rod with being located at side
Bearing block at shape framework center is connected, and installation sealed-bearing inside bearing block, Fan axial center is penetrated inside bearing block and connected
Sealed-bearing, it is characterised in that：Sealed-bearing includes top shell, cap liner, rubber sheet gasket, O-shaped scraper ring and bearing main body, and top shell is cut
Face is " Qian " font, and top shell hole is provided with the middle part of top shell, and top shell covers one accommodating cavity of formation above bearing main body, sealing
Piece is arranged in accommodating cavity and top is in contact with top shell inwall, and sealing hole is provided with the middle part of cap liner, and rubber sheet gasket, which is arranged on, to be held
Intracavitary is put, rubber sheet gasket top is in contact with cap liner and lower section is in contact with bearing main body, and rubber is provided with the middle part of rubber sheet gasket
Pad holes, bearing main body top are provided with ring-shaped step, sealed chamber, O-shaped scraper ring are formed between cap liner, rubber blanket, ring-shaped step
It is installed in sealed chamber, O-shaped scraper ring top is in contact with cap liner and lower section is in contact with ring-shaped step inwall, and top shell hole is big
In sealing hole internal diameter and it is less than cap liner external diameter, sealing hole internal diameter is more than O-shaped scraper ring internal diameter and is less than O-shaped scraper ring external diameter, rubber
Pad holes internal diameter is more than ring-shaped step external diameter.
A kind of 2. fan sealed-bearing according to claim 1, it is characterised in that：Inside the accommodating cavity, sealed chamber
Filled with lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710894463.0A CN107588036B (en) | 2017-09-28 | 2017-09-28 | A kind of fan sealed-bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710894463.0A CN107588036B (en) | 2017-09-28 | 2017-09-28 | A kind of fan sealed-bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107588036A true CN107588036A (en) | 2018-01-16 |
| CN107588036B CN107588036B (en) | 2019-11-05 |
Family
ID=61047246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710894463.0A Active CN107588036B (en) | 2017-09-28 | 2017-09-28 | A kind of fan sealed-bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107588036B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727798A (en) * | 2021-01-14 | 2021-04-30 | 东莞市嘉恩塑胶机电科技有限公司 | Sealing bearing applied to fan and motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267567B1 (en) * | 2000-04-04 | 2001-07-31 | Hsieh Hsin-Mao | Cooling fan |
| US6318976B1 (en) * | 2000-04-10 | 2001-11-20 | Hsieh Hsin-Mao | Heat dissipation fan |
| US20090232678A1 (en) * | 2008-03-14 | 2009-09-17 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Heat dissipation fan |
| CN101769264A (en) * | 2009-01-05 | 2010-07-07 | 富准精密工业(深圳)有限公司 | Cooling fan |
| CN202772705U (en) * | 2012-08-21 | 2013-03-06 | 简伟松 | Sealed oil storage structure motor and fan using same |
| CN204371753U (en) * | 2014-12-22 | 2015-06-03 | 协禧电机股份有限公司 | Radiation fan |
| US9518607B2 (en) * | 2014-10-06 | 2016-12-13 | John Wun-Chang Shih | Drain proof bearing assembly |
| CN206221303U (en) * | 2016-10-12 | 2017-06-06 | 九阳股份有限公司 | A kind of cooking apparatus |
-
2017
- 2017-09-28 CN CN201710894463.0A patent/CN107588036B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267567B1 (en) * | 2000-04-04 | 2001-07-31 | Hsieh Hsin-Mao | Cooling fan |
| US6318976B1 (en) * | 2000-04-10 | 2001-11-20 | Hsieh Hsin-Mao | Heat dissipation fan |
| US20090232678A1 (en) * | 2008-03-14 | 2009-09-17 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Heat dissipation fan |
| CN101769264A (en) * | 2009-01-05 | 2010-07-07 | 富准精密工业(深圳)有限公司 | Cooling fan |
| CN202772705U (en) * | 2012-08-21 | 2013-03-06 | 简伟松 | Sealed oil storage structure motor and fan using same |
| US9518607B2 (en) * | 2014-10-06 | 2016-12-13 | John Wun-Chang Shih | Drain proof bearing assembly |
| CN204371753U (en) * | 2014-12-22 | 2015-06-03 | 协禧电机股份有限公司 | Radiation fan |
| CN206221303U (en) * | 2016-10-12 | 2017-06-06 | 九阳股份有限公司 | A kind of cooking apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727798A (en) * | 2021-01-14 | 2021-04-30 | 东莞市嘉恩塑胶机电科技有限公司 | Sealing bearing applied to fan and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107588036B (en) | 2019-11-05 |
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