CN107588036B - A kind of fan sealed-bearing - Google Patents
A kind of fan sealed-bearing Download PDFInfo
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- CN107588036B CN107588036B CN201710894463.0A CN201710894463A CN107588036B CN 107588036 B CN107588036 B CN 107588036B CN 201710894463 A CN201710894463 A CN 201710894463A CN 107588036 B CN107588036 B CN 107588036B
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- bearing
- sealed
- cap liner
- top shell
- fan
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Abstract
The present invention relates to a kind of fan sealed-bearings, including top shell, cap liner, rubber sheet gasket, O-shaped scraper ring and bearing main body, the conjunction of top shell lid, which is mounted on above bearing main body, forms an accommodating cavity, cap liner is mounted in accommodating cavity and top is in contact with top shell inner wall, rubber sheet gasket is mounted 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 equipped with above bearing main body, cap liner, rubber pad, sealed chamber is formed between ring-shaped step, O-shaped scraper ring is installed in sealed chamber, fan sealed-bearing overall construction design of the invention is reasonable, top shell, cap liner, rubber pad, O-shaped scraper ring, each component layouts design of bearing main body is reasonable, it is closely contacted with each other, good airproof performance, it can effectively prevent lubricating oil to move up along axle center, increase fan service life, guarantee that fan runs well , satisfy the use demand.
Description
Technical field
The present invention relates to fan spindle bearing fields, and in particular to a kind of fan sealed-bearing.
Background technique
Computer fan is one of important component of computer heat radiation system, closes computer fan structure more
Reason, heat dissipation effect are more preferable, the service life is longer be always computer fan research direction, computer fan is typically all by straight
Brushless motor, fan frame, flabellum, bearing and other scattered part compositions, bearing is flowed to be mounted in fan frame and be sheathed on flabellum axle center
On, Bearing inner is packaged with convenient for the lubricating oil of flabellum axis rotation.
Find in actual operation, at runtime due to fan, especially under high temperature environment, lubricating oil can absorption with
Moved up under the action of centrifugal force along axle center, from Bearing inner gradually on move on to from 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, and generate mutually abrasion, cause the bad phenomenons such as abnormal sound, vibration, noise increasing.Therefore,
How a bearing arrangement that can completely lubrication be sealed is designed, it appears very necessary.
Summary of the invention
It is an object of the invention to: a kind of fan sealed-bearing is provided, seal oil can be lockked 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 ontology of the fan are a square frames, and square frame inner wall passes through connecting rod and is located at
Bearing block at square frame center is connected, and sealed-bearing is installed inside bearing block, Fan axial center, which penetrates inside bearing block, to be connected
Sealed-bearing is connect, sealed-bearing includes top shell, cap liner, rubber sheet gasket, O-shaped scraper ring and bearing main body, and top shell section is to fall
" Qian " font, top shell middle part are equipped with top shell hole, and the conjunction of top shell lid, which is mounted on above bearing main body, forms an accommodating cavity, and cap liner is installed
In accommodating cavity and top is in contact with top shell inner wall, and sealing hole is equipped in the middle part of cap liner, and rubber sheet gasket is mounted in accommodating cavity,
Rubber sheet gasket top is in contact with cap liner and lower section is in contact with bearing main body, and rubber pad holes, axis are equipped in the middle part of rubber sheet gasket
It holds and is equipped with ring-shaped step above main body, cap liner, rubber pad form sealed chamber between ring-shaped step, and O-shaped scraper ring is installed on close
It seals in chamber, O-shaped scraper ring top is in contact with cap liner and lower section is in contact with ring-shaped step inner wall, and top shell hole is greater than sealing hole
Internal diameter and be less than cap liner outer diameter, sealing hole internal diameter be greater than O-shaped scraper ring internal diameter and be less than O-shaped scraper ring outer diameter, rubber pad holes internal diameter
Greater than ring-shaped step outer diameter.
As a preferred solution of the present invention, the accommodating cavity, sealed chamber inside are filled with lubricating oil.
It is top shell, cap liner, rubber pad, O-shaped the utility model has the advantages that fan sealed-bearing overall construction design of the invention is reasonable
Each component layouts design of scraper ring, bearing main body rationally, is closely contacted with each other, good airproof performance, can effectively prevent lubricating oil along axle center
It moves up, increases fan service life, guarantee that fan runs well, satisfy the use demand.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram that sealed-bearing of the invention is installed on fan；
Fig. 2 is the exploded view of sealed-bearing of the invention；
Fig. 3 is the structural schematic diagram of sealed-bearing of the invention；
Fig. 4 is the structural schematic diagram that sealed-bearing of the invention is installed to embodiment 1 on fan；
Fig. 5 is the structural schematic diagram that sealed-bearing of the invention is installed to embodiment 2 on fan.
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the invention is described further:
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the position of indication or suggestion meaning or element must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand 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 ontology of the fan are a square frame 1,1 inner wall of square frame
It is connected by connecting rod 2 with the bearing block 3 being located at square frame center, sealed-bearing 4, fan shaft is installed inside bearing block 3
The heart 5 penetrates connection sealed-bearing 4 inside bearing block 3, and sealed-bearing 4 includes top shell 41, cap liner 42, rubber sheet gasket 43, O-shaped oil
Circle 44 and bearing main body 45,41 section of top shell are " Qian " font, are equipped with top shell hole 41a, 41 Gai Hean of top shell in the middle part of top shell 41
Above bearing main body 45, an accommodating cavity 46 is formed between top shell 41 and bearing main body 45, cap liner 42 is mounted on accommodating cavity
In 46 and top is in contact with 41 inner wall of top shell, and sealing hole 42a is equipped in the middle part of cap liner 42, and rubber sheet gasket 43 is mounted on accommodating cavity
In 46,43 top of rubber sheet gasket is in contact with cap liner 42 and lower section is in contact with bearing main body 45, sets in the middle part of rubber sheet gasket 43
Have a rubber pad holes 43a, be equipped with ring-shaped step 45a above bearing main body 45, 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, O-shaped 44 top of scraper ring be in contact with cap liner 42 and
Lower section is in contact with ring-shaped step 45a inner wall, and the through-hole passed through for axle center is equipped in the middle part of bearing main body 45.
Specifically, top shell hole 41a is greater than sealing hole 42a internal diameter and is less than 42 outer diameter of cap liner, cap liner 42 mainly rises and hides
It keeps off top shell hole 41a and limits the effect of O-shaped scraper ring 44, sealing hole 42a internal diameter is greater than O-shaped 44 internal diameter of scraper ring and is less than O-shaped scraper ring
44 outer diameters guarantee that Fan axial center 5 comes into full contact with O-shaped scraper ring 44, and O-shaped 44 blind of scraper ring prevents lubricating oil 8 from moving up, rubber
Rubber mat hole 43a internal diameter is greater than ring-shaped step 45a outer diameter, and rubber sheet gasket 43 mainly make an uproar by 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 being also prevented from O-shaped scraper ring 44
Radial deflection occurs when rotating with Fan axial center 5.
Specifically, Fig. 4 and Fig. 5 are two kinds of embodiments that fan sealed-bearing of the present invention is installed to fan, Fig. 4 is embodiment
1, sealed-bearing 4 is mounted in bearing block 3, and fan central spindle 5 penetrates from top to bottom connects sealed-bearing 4, bearing block in bearing block 3
3 bottoms installation cover board 6 prevents fan central spindle 5 to be directly in contact with square frame 1, prevents noise from generating, and in bearing block 3, accommodates
Lubricating oil 8 is filled with inside chamber 46, sealed chamber 47, lubricating oil 8 is sufficiently in contact with fan central spindle 5, and fan central spindle 5 rotates
When, 8 shuttling movement of lubricating oil is driven, lubricating oil 8 not will be shifted up, and Fig. 5 is embodiment 2, and sealed-bearing 4 is mounted in bearing block 3,
Fan central spindle 5 penetrates connect sealed-bearing 4 in bearing block 3 from top to bottom, and 1 bottom of square frame installation cap 7 prevents lubricating oil 8
It is revealed from bottom, in bearing block 3, is filled with lubricating oil 8 inside accommodating cavity 46, sealed chamber 47, lubricating oil 8 is sufficiently and fan shaft
Core 5 is in contact, and when fan central spindle 5 rotates, drives 8 shuttling movement of lubricating oil, lubricating oil 8 not will be shifted up, good airproof performance.Above two
A embodiment is that a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that of the invention
Specific implementation is only limited to these instructions, and for those of ordinary skill in the art to which the present invention belongs, is not departing from this
Under the premise of inventive concept, by several simple deduction or replace, sealed-bearing of the invention is applied to other fan structures
In, it all shall be regarded as belonging to protection scope of the present invention.
Claims (1)
1. a kind of fan sealed-bearing, the ontology of the fan is a square frame, and square frame inner wall is by connecting rod and is located at side
Bearing block at shape framework center is connected, and sealed-bearing is installed inside bearing block, and Fan axial center penetrates connection inside bearing block
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 that " Qian " font, top shell middle part are equipped with top shell hole, and the conjunction of top shell lid is mounted on one accommodating cavity of formation above bearing main body, seals
Piece is mounted in accommodating cavity and top is in contact with top shell inner wall, and sealing hole is equipped in the middle part of cap liner, and rubber sheet gasket is mounted on appearance
It sets intracavitary, is in contact above rubber sheet gasket with cap liner and lower section is in contact with bearing main body, rubber sheet gasket middle part is equipped with rubber
Pad holes, is equipped with ring-shaped step above bearing main body, and cap liner, rubber pad form sealed chamber, O-shaped scraper ring between 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 inner wall, and top shell hole is big
In sealing hole internal diameter and it is less than cap liner outer diameter, sealing hole internal diameter is greater than O-shaped scraper ring internal diameter and is less than O-shaped scraper ring outer diameter, rubber
Pad holes internal diameter is greater than ring-shaped step outer diameter, is filled with lubricating oil inside the accommodating cavity, sealed chamber.
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 CN107588036A (en) | 2018-01-16 |
| CN107588036B true CN107588036B (en) | 2019-11-05 |
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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 |
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| CN (1) | CN107588036B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727798B (en) * | 2021-01-14 | 2023-06-13 | 东莞市嘉恩塑胶机电科技有限公司 | Sealing bearing applied to fan and motor |
Citations (7)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532503B (en) * | 2008-03-14 | 2012-06-13 | 富准精密工业(深圳)有限公司 | Cooling fan |
-
2017
- 2017-09-28 CN CN201710894463.0A patent/CN107588036B/en active Active
Patent Citations (7)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107588036A (en) | 2018-01-16 |
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