CN202326416U

CN202326416U - Fan structure with oil-retaining bearing

Info

Publication number: CN202326416U
Application number: CN2011204915586U
Authority: CN
Inventors: 张柏灏; 刘淑芬
Original assignee: Asia Vital Components Co Ltd
Current assignee: Asia Vital Components Co Ltd
Priority date: 2011-11-30
Filing date: 2011-11-30
Publication date: 2012-07-11
Anticipated expiration: 2021-11-30

Abstract

The utility model discloses a fan structure with an oil-retaining bearing. The fan structure comprises a fan support, the oil-retaining bearing and a fan wheel. At least one magnetic component is accommodated in a shaft barrel on one side of the fan support, and can produce magnetic adsorption force for a shaft center to quickly reset the shaft center to an optimal running position, so that abrasion is reduced, running noise and rotation are reduced, and the service life of the fan structure is further prolonged.

Description

The oil-impregnated bearing fan structure

Technical field

The utility model provides a kind of oil-impregnated bearing fan structure, refers to especially a kind ofly reduce wear and reduce running noise and vibration, and improves the oil-impregnated bearing fan structure in working life.

Background technique

Press; The electronics information product (for example: popularize day by day and use more extensive by use computer etc.); Because it is rapid that demand drives the technical development of electronics IT industry; Impel the electronics information towards carrying out the trend development that arithmetic speed promotes, access capability increases, cause the spare part in the aforementioned electronic information product to have high temperature to supervene often in working at high speed.

With the host computer is example; The heat that its central interior processing unit (CPU) is produced accounts for major part; In addition, central processing unit when heat gradually rising can cause and carry out usefulness and reduce, and when accumulation of heat is higher than its allowable limit; Will force computer to work as machine, severe patient more may cause the damage phenomenon; And, for solving the problem of electromagenetic wave radiation, seal this host computer with the cabinet housing usually, so that how the heat energy of central processing unit and other heating spare part (or claiming element) is derived fast, become an important topic.

And general central processing unit is taked in order to the mode that solves heat radiation is that radiator and radiation fan are set above it; One side of radiator has been set up some fins; With the surface of the opposite side (not having fin) of said radiator directly the aforementioned central processing unit of contact can conduct to above-mentioned fin end to make heat energy, and make the rapid dissipation of heat energy with cooperating fan pressure driving air-flow through heat loss through radiation.

As shown in Figure 1, be the three-dimensional assembled sectional view of the oil-impregnated bearing radiation fan of known technology, this radiation fan 1 mainly has a fan base 11; Has a beam barrel 111 on this fan base 11; Be provided with a bearing 12 in this beam barrel 111, group is provided with an impeller 13 on this fan base 11 again, and these impeller 13 outer rings are provided with a plurality of blades 131; And be extended with an axle center 132 in the inboard; This axle center 132 is arranged in said bearing 12 and detains the knot location, and 132 in this bearing 12 and axle center are perfused with oil film 121 again, and its fan base 11 and bearing 12 and impeller 13 mutual position measurements are adjusted to the optimum operation position; Can be on bearing 12 with its axle center 132 when its radiation fan 1 operates through oil film 121 stable rotation; Therefore, its axle center 132 is only supported through the support force of oil film 121 with respect to the running position of bearing 12, but the support force that its radiation fan 1 its oil film 121 produces is still the eccentric force that is produced when turning round less than it; So its axle center 132 and 12 on bearing still have the phenomenon of frictional impact and produce; Again or after its radiation fan 1 receives external force collision; The striking force of external force also can make its axle center 132 position deflections, even its axle center 132 is collided to bearing 12 and produces vibration, causes this radiation fan 1 just to produce the noise of running and the facts such as noise of vibration because of its position deflection or collision; And also can increase simultaneously the abrasion condition of its axle center 132 and bearing 12, influence the working life of this radiation fan 1; Though again or the support force of its oil film 121 can make its axle center 132 return back to the optimum operation position; But after being squeezed, its oil film 121 need take a long time answer; Its axle center 132 returns back to the also increase relatively of time of optimum operation position relatively, and the time that noise and abrasion produce also can prolong relatively;

So known technology has disadvantage:

1. be easy to generate noise and vibration;

2. abrasion condition increases;

3. the time of noise generation is long;

4. influence working life.

Therefore, how to solve above-mentioned public problem and disappearance, the creator who is this case desires most ardently the direction place that research improves with the relevant manufacturer that is engaged in the industry.

The model utility content

For this reason, for effectively solving the above problems, the main purpose of the utility model is to provide a kind of and reduces wear and reduce running noise and vibration, and improves the oil-impregnated bearing fan structure in working life.

Another purpose of the utility model is providing a kind of oil-impregnated bearing fan structure that can reply fan running stability fast.

For reaching above-mentioned purpose, the utility model provides a kind of oil-impregnated bearing fan structure, comprises a fan base, an oil-impregnated bearing and an impeller; This fan base one side has a beam barrel; This beam barrel has a bearing hole and bag is provided with at least one magnetic element, and said oil-impregnated bearing is arranged in the bearing hole, and this oil-impregnated bearing has an axle center hole; Said impeller has a plurality of blades and an axle center, and this axle center is hubbed in this axle center hole; Whereby, can produce a magnetic adsorptive power to the axle center, make this axle center get returning back to fast the optimum operation position, reduce wear and reduce running noise and vibration to reach, and improve the effect in working life through said magnetic element.

Particularly, the utility model provides a kind of oil-impregnated bearing fan structure, comprising:

One fan base, a side has a beam barrel, and this beam barrel has a bearing hole, and bag is provided with at least one magnetic element;

One oil-impregnated bearing is arranged in the aforementioned bearings hole, and this oil-impregnated bearing has an axle center hole;

One impeller has a plurality of blades and an axle center, and this axle center is hubbed in this axle center hole.

Preferably, described oil-impregnated bearing fan structure has a hydraulic pressure layer between said axle center and axle center hole.

Preferably, described oil-impregnated bearing fan structure, said magnetic element are that the element of magnet and magnetic body and magnetite and tool magnetic is wherein arbitrary.

Preferably, described oil-impregnated bearing fan structure, said beam barrel are that the one bag is established said magnetic element.

Preferably, described oil-impregnated bearing fan structure, said magnetic element one side correspondence opens at said bearing hole.

Preferably, described oil-impregnated bearing fan structure, said magnetic element one side correspondence opens at said beam barrel outer wall.

So the utlity model has advantage:

1. reduce the generation that produces noise and vibration;

2. the situation that reduces wear produces;

3. reduce the noise generation time;

4. improve working life.

Description of drawings

Fig. 1 is known three-dimensional assembled sectional view;

Fig. 2 is the three-dimensional assembled sectional view of the utility model first preferred embodiment;

Fig. 3 is the partial perspective cutaway view of the utility model first preferred embodiment;

Fig. 4 is the three-dimensional assembled sectional view of the utility model second preferred embodiment;

Fig. 5 is the partial perspective cutaway view of the utility model second preferred embodiment;

Fig. 6 is the three-dimensional assembled sectional view of the utility model the 3rd preferred embodiment;

Fig. 7 is the partial perspective cutaway view of the utility model the 3rd preferred embodiment.

[primary component symbol description]

Fan base 2

Beam barrel 21

Bearing hole 211

Magnetic element 212

Oil-impregnated bearing 3

Axle center hole 31

Impeller 4

Blade 41

Axle center 42

Embodiment

Characteristic on above-mentioned purpose of the utility model and structure thereof and the function will be explained according to appended graphic preferred embodiment.

See also Fig. 2 and shown in Figure 3; Three-dimensional assembled sectional view and partial perspective cutaway view for the utility model first preferred embodiment; Comprise a fan base 2, an oil-impregnated bearing 3 and an impeller 4, these fan base 2 one sides have a beam barrel 21, have a bearing hole 211 in this beam barrel 21; And these beam barrel 21 bags are provided with at least one magnetic element 212; This magnetic element 212 coats in the time of can accordinging to the body of said beam barrel 21 and receive beam barrel 21 moulding, also can when beam barrel 21 moulding, coat fully according to the body setting of said beam barrel 21 respectively by a plurality of magnetic elements 212, in present embodiment again; Establishing single magnetic element 212 with beam barrel 21 bag is mode of execution, and it is wherein arbitrary that this magnetic element 212 can be the element of magnet and magnetic body and magnetite and tool magnetic; And this oil-impregnated bearing 3 is arranged in this bearing hole 211, and this oil-impregnated bearing 3 has an axle center hole 31, and said impeller 4 has a plurality of blades 41 and an axle center 42; This axle center 42 is hubbed in this axle center hole 31; And 31 of this axle center 42 and axle center holes have one and are the hydraulic pressure layer of oil film, when wherein said axle center 42 is mounted in the axle center hole 31, need its fan base 2 and oil-impregnated bearing 3 and impeller 4 mutual position measurements are adjusted to the optimum operation position; And when the adjustment position; The magnetic element 212 that bag is established in the said beam barrel 21 produces a magnetic adsorptive power to its axle center 42, and with said hydraulic pressure layer its axle center 42 is produced a support force, therefore can be through the support force of its magnetic adsorptive power and said hydraulic pressure layer; Make its axle center 42 effectively be positioned the optimum operation position; And said impeller 4 still can make its axle center 42 maintain the optimum operation position through its magnetic adsorptive power when running, promotes the stability of its axle center 42 and 3 runnings of oil-impregnated bearing; Reducing wear and to reduce running noise and vibration, and improve working life;

Again; If after said oil-impregnated bearing fan structure received external force collision, the striking force of external force can make its axle center 42 position deflections, even make its axle center 42 collide producing vibration to oil-impregnated bearing 3; At this moment; Also can make axle center 42 return back to the optimum operation position fast, reduce wear and reduce running noise and vibration to reach, and improve working life through these magnetic element 212 described magnetic adsorptive powers.

See also Fig. 4 and shown in Figure 5; Three-dimensional assembled sectional view and partial perspective cutaway view for the utility model second preferred embodiment; Itself and a last embodiment's element and connection relationship and running is roughly the same does not promptly give unnecessary details components identical and component symbol at this; Only this preferred embodiment different be in: the setting of wherein said magnetic element 212 can be according to the pattern of beam barrel 21 outside being provided with, and said magnetic element 212 also can and wrap when beam barrel 21 moulding and establish according to the bearing hole 211 or the outer wall position setting of beam barrel 21, in present embodiment; Coat this magnetic element 212 during said beam barrel 21 moulding; These magnetic element 212 1 side correspondences open at said bearing hole 211, and this axle center 42 is hubbed in this axle center hole 31, and 31 of this axle center 42 and axle center holes have said hydraulic pressure layer; And need its fan base 2 and oil-impregnated bearing 3 and impeller 4 mutual position measurements are adjusted to the optimum operation position; The magnetic element 212 that its beam barrel 21 bags are established produces the adsorption force that is magnetic to its axle center 42 and produces with the hydraulic pressure layer support force is arranged, and therefore can make its axle center 42 effectively be positioned the optimum operation position through the support force of its magnetic adsorptive power and said hydraulic pressure layer, and impeller 4 is when turning round; Still make its axle center 42 maintain the optimum operation position through its magnetic adsorptive power; Can promote the stability of its axle center 42 and 3 runnings of oil-impregnated bearing, reducing wear and to reduce running noise and vibration, and improve the person in working life; In addition; After if said oil-impregnated bearing fan structure receives the external force collision; The magnetic element 212 that its beam barrel 21 bags are established can make axle center 42 return back to the optimum operation position fast through said magnetic adsorptive power, reduces wear and reduces running noise and vibration to reach, and improve working life.

Again; If after said fan assembly received external force collision, the striking force of external force can make its axle center 42 position deflections, even make its axle center 42 collide producing vibration to oil-impregnated bearing 3; At this moment; Also can make axle center 42 return back to the optimum operation position fast, reduce wear and reduce running noise and vibration to reach, and improve working life through these magnetic element 212 described magnetic adsorptive powers.

See also Fig. 6 and shown in Figure 7 again; Be the three-dimensional assembled sectional view and the partial perspective cutaway view of the utility model the 3rd preferred embodiment, itself and a last embodiment's element and connection relationship and running is roughly the same does not promptly give unnecessary details components identical and component symbol at this, still; This preferred embodiment different be in: said beam barrel 21 bags are established said magnetic element 212; And in present embodiment, said magnetic element 212 1 side correspondences are opened at said beam barrel 21 outer walls is mode of execution, makes said axle center 42 be positioned at the optimum operation position through magnetic element 212 equally, and when its impeller 4 runnings; Can make its axle center 42 maintain the optimum operation position through its magnetic adsorptive power; And then promote the stability of its axle center 42 and 3 runnings of oil-impregnated bearing, reducing wear and to reduce running noise and vibration, and improve working life.

In sum, the oil-impregnated bearing fan structure of the utility model is when using, for reaching its effect and purpose really; So the utility model really is the excellent innovation and creation of a practicability, for meeting the application important document of utility model patent, so file an application in accordance with the law; Expect that the auditor grants accurate this case early, to ensure creator's arduous creation, if the auditor has any query; The indication of please writing to us without sparing, settled the doing one's utmost of creator cooperates, and the true feeling moral is just.

Claims

1. an oil-impregnated bearing fan structure is characterized in that, comprising:

2. oil-impregnated bearing fan structure as claimed in claim 1 is characterized in that, has a hydraulic pressure layer between said axle center and axle center hole.

3. oil-impregnated bearing fan structure as claimed in claim 1 is characterized in that, said magnetic element is that the element of magnet and magnetic body and magnetite and tool magnetic is wherein arbitrary.

4. oil-impregnated bearing fan structure as claimed in claim 1 is characterized in that, said beam barrel is that the one bag is established said magnetic element.

5. oil-impregnated bearing fan structure as claimed in claim 1 is characterized in that, said magnetic element one side correspondence opens at said bearing hole.

6. oil-impregnated bearing fan structure as claimed in claim 1 is characterized in that, said magnetic element one side correspondence opens at said beam barrel outer wall.