CN204226228U - Oil-leakage-prevention decompression radiation fan - Google Patents
Oil-leakage-prevention decompression radiation fan Download PDFInfo
- Publication number
- CN204226228U CN204226228U CN201420282622.3U CN201420282622U CN204226228U CN 204226228 U CN204226228 U CN 204226228U CN 201420282622 U CN201420282622 U CN 201420282622U CN 204226228 U CN204226228 U CN 204226228U
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- insulating bush
- oil
- housing
- leakage
- decompression
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Abstract
A kind of oil-leakage-prevention decompression radiation fan, it comprises housing, flabellum, axle core, iron-clad, glue magnetic, upper insulating bush, silicon steel plate, lower insulating bush, pcb board, axle sleeve, compression spring, axle core is arranged between housing and flabellum, from axle core radially direction to the flabellum of outermost, be socketed with pipe in axle sleeve, housing, silicon steel plate, up and down insulating bush, glue magnetic and iron-clad respectively, on this, insulating bush and lower insulating bush are socketed in the two ends of axle sleeve, between upper insulating bush and axle sleeve, be provided with baffle ring, on this, the corresponding baffle ring position of insulating bush has vent; In housing, tube wall caves in from upper insulating bush direction tunneling hole.The utility model can discharge the pressure of fan inside generation by vent and preset clearance, keeps the reliable and stable operation of fan, reduces vibrations wearing and tearing, avoids extraordinary noise phenomenon.And the tunneling hole that caves in the groove and housing of the setting of flabellum shell inside on pipe can store unnecessary lubricant oil, ensure that the circulation of oil circuit unimpeded lubrication ring oil is smooth and easy.
Description
[technical field]
The utility model relates to mechanical-type heat dissipation equipment, particularly relates to a kind of oil-leakage-prevention radiation fan.
[background technique]
Generally speaking the structure of radiation fan comprises axle core, axle sleeve and flabellum, flabellum is arranged on axle core, be driven to rotate, need to prevent dust from invading at the matching mechanism of axle core, axle sleeve and flabellum, and center oil circuit needs lubricant oil to carry out circulating lubrication, fan stator and central shaft core and shaft sleeve part is allowed to divide to be in dustless space and operate swimmingly.Consider from performance optimization angle, lubricant oil should be allowed to recycle swimmingly, then need to provide the circulation oil duct through design, lubricant oil can not only be convenient to and circulate smoothly, and the loss of lubricant oil in fan can be prevented, such as leakage of oil and get rid of wet goods situation.Also need in addition to provide certain oil storage space, need comparatively heavy wool participation oil road circulation when fan runs up, when static, just need oil storage space to lay in lubricant oil.
It is long to there is service time in current existing radiation fan, and lubricant oil runs off and produces the problem that noise is large, the life-span is short; Inside enters dust and fine particle, obstruction lubrication effect, and running is unstable.
And existing radiation fan is considered preventing dust leakage of oil structure due to emphasis and ignores internal pressure adjustment, and the pressure causing fan inside to transfer to produce due to high-speed rotary cannot effectively be got rid of.Excessive pressure makes the internal structure rotated that unstable situation occur, and have impact on stability and the reliability of radiation fan overall operation.
[summary of the invention]
The utility model proposes a kind of fan inner high speed that can discharge for above problem and rotates the pressure produced, and further smooth and easy oil circuit avoids the radiation fan of leakage of oil.
A kind of oil-leakage-prevention decompression radiation fan related to described in the utility model, it comprises housing, flabellum, axle core, iron-clad, glue magnetic, upper insulating bush, silicon steel plate, lower insulating bush, pcb board, axle sleeve, compression spring, axle core is arranged between housing and flabellum, from axle core radially direction to the flabellum of outermost, be socketed with axle sleeve respectively, manage in housing, silicon steel plate, upper and lower insulating bush, glue magnetic and iron-clad, it is characterized in that, on this, insulating bush and lower insulating bush are socketed in the two ends of axle sleeve, baffle ring is provided with between upper insulating bush and axle sleeve, on this, the corresponding baffle ring position of insulating bush has vent, in housing, tube wall caves in from upper insulating bush direction tunneling hole.
When in upper insulating bush and housing, pipe assembles, in upper insulating bush and housing pipe end face between there is the preset clearance being less than 1.5mm.
The internal diameter size of vent is less than bore in housing, and outside dimension is greater than pipe external diameter in housing.
Flabellum comprises blade and flabellum shell, the coated internal structure of flabellum shell; At flabellum shell inner bottom part, the position facing to glue magnetic is provided with groove.
On the section of the medial axis along axle core, the thickness mid point of silicon steel plate and the thickness mid point of glue magnetic stagger up and down.
On the section of the medial axis along axle core, the thickness mid point of silicon steel plate keeps aliging with the thickness mid point of glue magnetic.
Described axle sleeve has upper and lower end face and a cylindrical outer surface, this cylindrical outer surface connects upper and lower end face, at described upper and lower end surface chamfer, described cylindrical outer surface is provided with lineal shape groove in the axial direction, and spiral grooves is provided with on end face, this spiral grooves is communicated with lineal shape groove.
Described axle sleeve has up and down, lower end surface and a cylindrical outer surface, this cylindrical outer surface connects upper and lower end face, at described upper and lower end surface chamfer, described cylindrical outer surface is provided with twice lineal shape groove in axial direction, and being provided with circular groove at end face, this circular groove is communicated with straight-line groove.
The utility model can discharge the pressure of fan inside generation by vent and preset clearance, keeps the reliable and stable operation of fan, reduces vibrations wearing and tearing, avoids extraordinary noise phenomenon.And the tunneling hole that caves in the groove and housing of the setting of flabellum shell inside on pipe can store unnecessary lubricant oil, ensure that the circulation of oil circuit unimpeded lubrication ring oil is smooth and easy.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the utility model oil-leakage-prevention decompression radiation fan;
Fig. 2 is the structural representation of the axle sleeve of the utility model oil-leakage-prevention decompression radiation fan;
Fig. 3 is the structural representation of another axle sleeve of the utility model oil-leakage-prevention decompression radiation fan;
Fig. 4 is the structural representation of the upper insulating bush of the utility model oil-leakage-prevention decompression radiation fan;
Wherein: 10, housing; 101, manage in housing; 102, cave in tunneling hole; 11, flabellum; 111, flabellum shell; 1111, groove; 12, axle core; 13, iron-clad; 14, glue magnetic; 15, upper insulating bush; 151, vent; 16, silicon steel plate; 17, lower insulating bush; 18, pcb board; 19, axle sleeve; 191, upper-end surface; 192, lower end surface; 193, cylindrical outer surface; 194, spiral grooves; 195,195 ', lineal shape groove; 196, circular groove; 20, compression spring; 30, baffle ring; A, preset clearance.
[embodiment]
Below in conjunction with drawings and Examples, the utility model oil-leakage-prevention decompression fan is described in detail.
Please refer to accompanying drawing 1, illustrated therein is a kind of oil-leakage-prevention decompression radiation fan, it comprises housing 10, flabellum 11, axle core 12, iron-clad 13, glue magnetic 14, upper insulating bush 15, silicon steel plate 16, lower insulating bush 17, pcb board 18, axle sleeve 19, compression spring 20, axle core 12 is arranged between housing and flabellum, from axle core 12 radially direction to the flabellum 11 of outermost, be socketed with axle sleeve 19 respectively, pipe 101 in housing, silicon steel plate 16, upper and lower insulating bush, glue magnetic 14 and iron-clad 13, it is characterized in that, on this, insulating bush 15 and lower insulating bush 17 are socketed in the two ends of axle sleeve 19, baffle ring 30 is provided with between upper insulating bush 15 and axle sleeve 19, on this, insulating bush 15 corresponding baffle ring 30 position has vent 151, in housing, pipe 101 wall caves in from upper insulating bush 15 direction tunneling hole 102.
Vent 151 can discharge the pressure formed when fan inner high speed rotates, perforate number is not limit, but vent internal diameter is less than pipe 101 internal diameter in housing, the outside dimension of vent 151 is greater than pipe 101 external diameter in housing, so then can be gone out by earth pressure release well.
When in upper insulating bush 15 with housing, pipe 101 assembles, in upper insulating bush 15 and housing pipe 101 end face between there is the preset clearance A being less than 1.5mm.When this preset clearance is fan assembling, the gap retained when end surfaces coordinates in upper insulating bush and housing, can be used in discharging internal pressure.
Flabellum 11 comprises blade and flabellum shell 111, the coated internal structure of flabellum shell 111; At flabellum shell 111 inner bottom part, the position facing to glue magnetic is provided with groove 1111.This groove 1111, for laying in unnecessary circulating lubricating oil, even if there is unnecessary oil to throw away, also can carry out storing and cushion the power that lubricant oil outwards throws away under centrifugal action.
On the section of the medial axis along axle core, the thickness mid point of silicon steel plate 16 and the thickness mid point of glue magnetic 14 stagger up and down.Under ensureing that IC responds to good prerequisite, the mid-depth of the mid-depth of silicon steel plate 16 and glue magnetic 14 is staggered as far as possible to maximum.Very stable effect when radiation fan then can be brought to rotate, and long-time high temperature burning machine also can not produce abnormal sound.
Further, during embodiment, on the section of the medial axis along axle core, the thickness mid point of silicon steel plate also can be allowed to keep aliging with the thickness mid point of glue magnetic.
Please refer to accompanying drawing 2: described axle sleeve 19 has upper-end surface 191, lower end surface 192 and a cylindrical outer surface 193, this cylindrical outer surface 193 connects upper and lower end face, at described upper and lower end surface chamfer, described cylindrical outer surface is provided with lineal shape groove 195 in the axial direction, and on end face, being provided with spiral grooves 194, this spiral grooves 194 is communicated with lineal shape groove 195.
Also have another axle sleeve, the oil storage space that please refer to this design of accompanying drawing 3 directly can increase fan inside also can make lubricant oil run smooth and easy in axle sleeve 19 surrounding and form loop; Bottom cross pad can be compressed completely for making axle sleeve 19 to avoid producing resonance voice because cross pad loosens when fan High Rotation Speed.
Also axle sleeve can be designed in addition: cylindrical outer surface is provided with twice lineal shape groove 195 ' in axial direction, and is provided with circular groove 196 at end face, and this circular groove 196 is communicated with lineal shape groove 195 '.
The above, it is only the utility model preferred embodiment, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when utilizing the technology contents of above-mentioned announcement or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, any simple modification that above embodiment is done is referred to according to the utility model technology, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (10)
1. an oil-leakage-prevention decompression radiation fan, it comprises housing, flabellum, axle core, iron-clad, glue magnetic, upper insulating bush, silicon steel plate, lower insulating bush, pcb board, axle sleeve, compression spring, axle core is arranged between housing and flabellum, from axle core radially direction to the flabellum of outermost, be socketed with pipe in axle sleeve, housing, silicon steel plate, up and down insulating bush, glue magnetic and iron-clad respectively, it is characterized in that, on this, insulating bush and lower insulating bush are socketed in the two ends of axle sleeve, between upper insulating bush and axle sleeve, be provided with baffle ring, on this, the corresponding baffle ring position of insulating bush has vent; In housing, tube wall caves in from upper insulating bush direction tunneling hole.
2. oil-leakage-prevention decompression radiation fan according to claim 1, is characterized in that, when in upper insulating bush and housing, pipe assembles, in upper insulating bush and housing pipe end face between there is the preset clearance being less than 1.5mm.
3. according to claim 1 oil-leakage-prevention decompression radiation fan, it is characterized in that, the internal diameter size of vent is less than bore in housing, and outside dimension is greater than pipe external diameter in housing.
4. according to claim 1 oil-leakage-prevention decompression radiation fan, it is characterized in that, flabellum comprises blade and flabellum shell, the coated internal structure of flabellum shell; At flabellum shell inner bottom part, the position facing to glue magnetic is provided with groove.
5. according to claim 4 oil-leakage-prevention decompression radiation fan, it is characterized in that, on the section of the medial axis along axle core, the thickness mid point of silicon steel plate and the thickness mid point of glue magnetic stagger up and down.
6. according to claim 4 oil-leakage-prevention decompression radiation fan, it is characterized in that, on the section of the medial axis along axle core, the thickness mid point of silicon steel plate keeps aliging with the thickness mid point of glue magnetic.
7. according to claim 1 oil-leakage-prevention decompression radiation fan, it is characterized in that, described axle sleeve has upper and lower end face and a cylindrical outer surface, this cylindrical outer surface connects upper and lower end face, at described upper and lower end surface chamfer, described cylindrical outer surface is provided with lineal shape groove in the axial direction, and is provided with spiral grooves on end face, and this spiral grooves is communicated with lineal shape groove.
8. according to claim 1 oil-leakage-prevention decompression radiation fan, it is characterized in that, described axle sleeve has up and down, lower end surface and a cylindrical outer surface, this cylindrical outer surface connects upper and lower end face, at described upper and lower end surface chamfer, described cylindrical outer surface is provided with twice lineal shape groove in axial direction, and is provided with circular groove at end face, this circular groove is communicated with straight-line groove.
9. oil-leakage-prevention decompression radiation fan according to claim 7 or 8, it is characterized in that, this axle sleeve connects with pad or is formed to downward-extension is integrated by upper insulating bush.
10. according to claim 1 oil-leakage-prevention decompression radiation fan, it is characterized in that, be provided with more than one vent in the upper-end surface of upper insulating bush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282622.3U CN204226228U (en) | 2014-05-29 | 2014-05-29 | Oil-leakage-prevention decompression radiation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282622.3U CN204226228U (en) | 2014-05-29 | 2014-05-29 | Oil-leakage-prevention decompression radiation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226228U true CN204226228U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420282622.3U Active CN204226228U (en) | 2014-05-29 | 2014-05-29 | Oil-leakage-prevention decompression radiation fan |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329549A (en) * | 2017-07-26 | 2017-11-07 | 张家港市九华科技有限公司 | One kind is convenient to install computer radiator |
| CN109209937A (en) * | 2018-08-30 | 2019-01-15 | 东莞市银海塑胶电子有限公司 | A kind of fan |
-
2014
- 2014-05-29 CN CN201420282622.3U patent/CN204226228U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329549A (en) * | 2017-07-26 | 2017-11-07 | 张家港市九华科技有限公司 | One kind is convenient to install computer radiator |
| CN109209937A (en) * | 2018-08-30 | 2019-01-15 | 东莞市银海塑胶电子有限公司 | A kind of fan |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |