CN208999936U - A kind of transmission mechanism for host computer radiator fan - Google Patents
A kind of transmission mechanism for host computer radiator fan Download PDFInfo
- Publication number
- CN208999936U CN208999936U CN201821955136.8U CN201821955136U CN208999936U CN 208999936 U CN208999936 U CN 208999936U CN 201821955136 U CN201821955136 U CN 201821955136U CN 208999936 U CN208999936 U CN 208999936U
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- China
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- rotor
- bearing
- transmission shaft
- fan
- host computer
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Abstract
A kind of transmission mechanism for host computer radiator fan disclosed by the utility model, including shell, enclosure interior are equipped with transmission shaft, and one end of transmission shaft is connected with the decorative pearl on top of an official cap, and the other end of transmission shaft is equipped with fan stator, and fan stator is fixed on shell;Transmission shaft interference fit has the first p-m rotor and the second p-m rotor, and the first p-m rotor is corresponding with first bearing, and the second p-m rotor is corresponding with second bearing, and first bearing and second bearing are fixedly mounted on shell.Transmission shaft and the first p-m rotor and the second p-m rotor are using interference fit installation, so that transmission shaft is not contacted with the first p-m rotor and the holding of the second p-m rotor, the line of magnetic induction that its first p-m rotor and the second p-m rotor generate is with magnetic flotation line at vertical, transmission shaft central spindle is also parallel with magnetic flotation line, i.e. the weight of the first p-m rotor and the second p-m rotor is fixed on the track of transmission mechanism operating, is suspended in p-m rotor and is not generated Mechanical Contact with bearing in the air.
Description
Technical field
The utility model belongs to fan technology field, and in particular to a kind of driver for host computer radiator fan
Structure.
Background technique
The transmission mechanism of numerical control host computer DC radiation fan uses sealed-bearing, single ball axis substantially mostly at present
It holds, double ball bearing;Sealed-bearing fan uses lubricating oil as lubricant and drag reducer, by oil refill in axis and axis
In gap between holding, so that frictional force minimizes, but the disadvantage is that the later period is easy absorption dust, and lubricating oil is with bearing friction
It generates heat and volatilizees, friction is caused to increase with vibration, noise sharp increase, average life 5,000~15,000 hour, service life
It is short;The form that single ball bearing fan is mixed using sliding friction and rolling friction, with a ball bearing and an oil seal shaft
It holds and combines, overcome the disadvantage that the sealed-bearing service life is short, its service life was promoted by 40,000 hours, the disadvantage is that operation
Noise is larger;Double ball bearing fan uses two ball bearings, has several small steel ball coiling axle center in bearing, when fan page or axis
When the heart is turned, steel ball and then turns, with oiliness bearing comparatively, the friction effectively reduced between bearing surface is existing
As, and the good airproof performance of bearing, therefore non-aging abrasion, service life is lifted at 40,000~55,000 hour, disadvantage
Complex process, cost high noisy are big.
Utility model content
The purpose of this utility model is to provide a kind of transmission mechanisms for host computer radiator fan, can transport at a high speed
Row, noise is small, mechanical wear is small, long service life.
The technical scheme adopted by the utility model is a kind of transmission mechanism for host computer radiator fan, including
Shell, enclosure interior are equipped with transmission shaft, and one end of transmission shaft is connected with the decorative pearl on top of an official cap, and it is fixed that the other end of transmission shaft is equipped with fan
Son, fan stator are fixed on shell;Transmission shaft interference fit has the first p-m rotor and the second p-m rotor, and the first permanent magnetism turns
Son is corresponding with first bearing, and the second p-m rotor is corresponding with second bearing, and first bearing and second bearing are fixedly mounted on shell
On body.
The utility model is also characterized by
First baffle, first baffle and decorative pearl on top of an official cap point contact are fixedly installed on one end of shell.
First p-m rotor and the second p-m rotor are arranged in parallel.
First p-m rotor and the second p-m rotor are equipped with second baffle, and second baffle passes through transmission shaft, and second gear
Gap is equipped between plate and transmission shaft.
Second p-m rotor is arranged close to fan stator, and third baffle is equipped between the second p-m rotor and fan stator,
Third baffle passes through transmission shaft, and gap is equipped between third baffle and transmission shaft.
Transmission shaft passes through shell close to one end of fan stator and is arranged with reaction magnetic ring and fan blade.
Wedge structure is integrally formed in fan blade.
First bearing and second bearing select permanent-magnet stator.
The beneficial effects of the utility model are: a kind of driver for host computer radiator fan of the utility model
Structure, transmission shaft and the first p-m rotor and the second p-m rotor are using interference fit installation, so that transmission shaft and the first permanent magnetism turn
Son and the holding of the second p-m rotor do not contact, the line of magnetic induction and magnetic flotation line that the first p-m rotor and the second p-m rotor generate
At vertical, transmission shaft central spindle be also with magnetic flotation line it is parallel, i.e. the weight of the first p-m rotor and the second p-m rotor is fixed on
On the track of transmission mechanism operating, it is suspended in p-m rotor and does not generate Mechanical Contact with bearing in the air.It efficiently solves existing
There is the problems such as host computer DC radiation fan traditional bearing noise is big, friction vibration loss is big, effect is low and the service life is short.This
Utility model is compared with traditional transmission mechanism with noise is small, mechanical wear is small, low energy consumption, the service life is long, is not necessarily to lubrication, oil-free
The advantages that pollution.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the transmission mechanism for host computer radiator fan of the utility model;
Fig. 2 is a kind of blade structure schematic diagram of the transmission mechanism for host computer radiator fan of the utility model.
In figure, 1. shells, 2. transmission shafts, 3. decorative pearls on top of an official cap, 4. fan stators, 5. first p-m rotors, 6. second permanent magnetism turn, 7.
First bearing, 8. second bearings, 9. first baffles, 10. second baffles, 11. third baffles, 12. reaction magnetic rings, 13. fan leafs
Piece, 14. wedge structures.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model provides a kind of transmission mechanism for host computer radiator fan, as shown in Figure 1, including shell
1, transmission shaft 2 is equipped with inside shell 1, one end of transmission shaft 2 is connected with the decorative pearl on top of an official cap 3, and the other end of transmission shaft 2 is equipped with fan
Stator 4, fan stator 4 are fixed on shell 1;The interference fit of transmission shaft 2 has the first p-m rotor 5 and the second p-m rotor 6, the
One p-m rotor 5 is corresponding with first bearing 7, and the second p-m rotor 6 is corresponding with second bearing 8, first bearing 7 and second bearing 8
It is fixedly mounted on shell 1.
First baffle 9, first baffle 9 and 3 point contact of the decorative pearl on top of an official cap are fixedly installed on one end of shell 1;Due to the first permanent magnetism
Rotor 5, first bearing 7 and the second p-m rotor 6, second bearing 8 can generate additional axial force in radial repulsive force, cause
Side where transmission shaft 2 toward first baffle 9 deviates, and first baffle 9 is used to shore the balance that transmission shaft 2 keeps axial.
First p-m rotor 5 and the second p-m rotor 6 are arranged in parallel;Guarantee the first p-m rotor 5 and the second permanent magnetism
6 axial direction stress equalization of rotor.
First p-m rotor 5 and the second p-m rotor 6 are equipped with second baffle 10, and second baffle 10 passes through transmission shaft 2, and
There are gap between second baffle 10 and transmission shaft 2, avoid due to generating fluctuation and second baffle 10 when transmission shaft runs at high speed
Collide friction;Second baffle 10 weakens the first p-m rotor 5, first bearing 7 and the second p-m rotor 6,8 magnetic of second bearing
Interaction between.
Second p-m rotor 6 is arranged close to fan stator 4, and third gear is equipped between the second p-m rotor 6 and fan stator 4
Plate 11, third baffle 11 passes through transmission shaft 2, and there are gap between third baffle 11 and transmission shaft 2, the gap avoid due to
Fluctuation is generated when transmission shaft runs at high speed to collide friction with third baffle 11;Third baffle 11 turns to weaken the second permanent magnetism
Effect of the magnetic field that son 6, second bearing 8 generate to fan stator 4.
Gap is equipped between fan stator 4 and transmission shaft 2, which prevents fan stator 4 and transmission shaft 2 from generating friction.
The internal diameter of fan stator 4 should be greater than the diameter of transmission shaft 2.
Transmission shaft 2 passes through shell 1 close to one end of fan stator 4 and is arranged with reaction magnetic ring 12 and fan blade 13;
When in use, fan stator 4 is used to generate changing magnetic field, and reaction magnetic ring 12 generates rotation from band under changing magnetic field effect
The dynamic rotation of fan blade 13 drives the movement of Fluid Air nearby.
As shown in Fig. 2, being integrally formed with wedge structure 14 in fan blade 13, wedge structure 14 is wedge block;Wedge shape knot
Structure 14 can be improved the structural strength of flabellum, extend 13 service life of fan blade, change the motion profile of Fluid Air nearby
With the size and the regularity of distribution in whirlpool in flow field, the aerodynamic noise generated when reducing fan running.
First bearing 7 and second bearing 8 select permanent-magnet stator;It is preferred that four magnetic pole permanent-magnet stators.In order to reduce magnetic pole it
Between coupling effect, it is desirable that permanent-magnet stator up and down, tiled configuration must be symmetrical, therefore, number of magnetic poles multiselect even number, it is contemplated that straight
Flow heat dissipation fan load is small, so using the permanent-magnet stator of four magnetic poles.
A kind of working principle of the transmission mechanism for host computer radiator fan of the utility model:
Fan stator 4 is used to generate changing magnetic field, and reaction magnetic ring 12 generates rotation from band under changing magnetic field effect
Transmission shaft 2 rotates, and transmission shaft 2 and the first p-m rotor 5 and the second p-m rotor 6 become one using interference fit installation
Body.Magneticaction is by the first p-m rotor between first p-m rotor 5, first bearing 7 and the second p-m rotor 6, second bearing 8
5 and second p-m rotor 6 be suspended in the air, transmission shaft 2 during rotation not with bearing generate Mechanical Contact.
By the above-mentioned means, a kind of transmission mechanism for host computer radiator fan of the utility model, transmission shaft 2 with
First p-m rotor 5 and the second p-m rotor 6 are using interference fit installation, so that transmission shaft 2 and the first p-m rotor 5 and second
The holding of p-m rotor 6 does not contact, and the line of magnetic induction and magnetic flotation line that the first p-m rotor 5 and the second p-m rotor 6 generate are at vertical
Directly, 2 central spindle of transmission shaft is also parallel with magnetic flotation line, i.e. the weight of the first p-m rotor 5 and the second p-m rotor 6 is fixed on biography
On the track of motivation structure operating, it is suspended in p-m rotor and does not generate Mechanical Contact with bearing in the air.It efficiently solves existing
The problems such as host computer DC radiation fan traditional bearing noise is big, friction vibration loss is big, effect is low and the service life is short.This reality
With it is novel have compared with traditional transmission mechanism noise is small, mechanical wear is small, low energy consumption, the service life is long, without lubrication, without greasy dirt
The advantages that dye.
Claims (8)
1. a kind of transmission mechanism for host computer radiator fan, which is characterized in that including shell (1), in the shell (1)
Portion is equipped with transmission shaft (2), and one end of the transmission shaft (2) is connected with the decorative pearl on top of an official cap (3), and the other end of the transmission shaft (2) is worn
Equipped with fan stator (4), the fan stator (4) is fixed on the shell (1);The transmission shaft (2) interference fit has the
One p-m rotor (5) and the second p-m rotor (6), first p-m rotor (5) are corresponding with first bearing (7), and described second
P-m rotor (6) is corresponding with second bearing (8), and the first bearing (7) and the second bearing (8) are fixedly mounted on described
On shell (1).
2. a kind of transmission mechanism for host computer radiator fan as described in claim 1, which is characterized in that the shell
(1) it is fixedly installed on one end first baffle (9), the first baffle (9) and the decorative pearl on top of an official cap (3) point contact.
3. a kind of transmission mechanism for host computer radiator fan as described in claim 1, which is characterized in that described first
P-m rotor (5) and second p-m rotor (6) are arranged in parallel.
4. a kind of transmission mechanism for host computer radiator fan as claimed in claim 1 or 3, which is characterized in that described
First p-m rotor (5) and the second p-m rotor (6) are equipped with second baffle (10), and the second baffle (10) passes through the transmission
Axis (2), and gap is equipped between the second baffle (10) and the transmission shaft (2).
5. a kind of transmission mechanism for host computer radiator fan as claimed in claim 4, which is characterized in that described second
P-m rotor (6) is arranged close to the fan stator (4), sets between second p-m rotor (6) and the fan stator (4)
Have third baffle (11), the third baffle (11) passes through the transmission shaft (2), and the third baffle (11) and the biography
Gap is equipped between moving axis (2).
6. a kind of transmission mechanism for host computer radiator fan as described in claim 1, which is characterized in that the transmission
Axis (2) passes through the shell (1) close to the one end of the fan stator (4) and is arranged with reaction magnetic ring (12) and fan blade
(13)。
7. a kind of transmission mechanism for host computer radiator fan as claimed in claim 6, which is characterized in that the fan
Wedge structure (14) are integrally formed on blade (13).
8. a kind of transmission mechanism for host computer radiator fan as described in claim 1, which is characterized in that described first
Bearing (7) and the second bearing (8) select permanent-magnet stator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821955136.8U CN208999936U (en) | 2018-11-26 | 2018-11-26 | A kind of transmission mechanism for host computer radiator fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821955136.8U CN208999936U (en) | 2018-11-26 | 2018-11-26 | A kind of transmission mechanism for host computer radiator fan |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208999936U true CN208999936U (en) | 2019-06-18 |
Family
ID=66807016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821955136.8U Expired - Fee Related CN208999936U (en) | 2018-11-26 | 2018-11-26 | A kind of transmission mechanism for host computer radiator fan |
Country Status (1)
Country | Link |
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CN (1) | CN208999936U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110647221A (en) * | 2019-09-05 | 2020-01-03 | 武桂英 | Maintain convenient server protection device with buffering effect |
-
2018
- 2018-11-26 CN CN201821955136.8U patent/CN208999936U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110647221A (en) * | 2019-09-05 | 2020-01-03 | 武桂英 | Maintain convenient server protection device with buffering effect |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 Termination date: 20191126 |
|
CF01 | Termination of patent right due to non-payment of annual fee |