CN202301146U

CN202301146U - Heat radiation fan bearing press cover structure

Info

Publication number: CN202301146U
Application number: CN201120386371XU
Authority: CN
Inventors: 饶振奇; 吴添进
Original assignee: Suzhou Juli Motor Co Ltd
Current assignee: Suzhou Juli Motor Co Ltd
Priority date: 2011-10-12
Filing date: 2011-10-12
Publication date: 2012-07-04
Anticipated expiration: 2021-10-12

Abstract

The utility model relates to a heat radiation fan bearing press cover structure. A heat radiation fan consists of a base, a bearing seat, a stator group, a rotor group, a bearing press cover and an oil preserving structure. Through the structural design, the inner wall of the bearing seat and the inner side wall of an insulation frame seat respectively adopt a tight matching mode through the side butting edge and the tube wall of the bearing press cover, so a bearing in the bearing seat is stably positioned through receiving the press butting of the bottom pressing edge of the bearing press cover, the stator group can be fixed at the outer periphery of the bearing seat without being disengaged, and the integral operation efficiency of the heat radiation fan is effectively improved. In addition, a high-flowability lubricating oil body inside the bearing seat is prevented from overflowing out of the bearing press cover through an inner flange of the bearing press cover, and a certain oil preserving effect is generated.

Description

A kind of radiation fan bearing gland structure

Technical field

The utility model relates to a kind of radiation fan bearing gland structure; Being meant especially to reach with rigid bearing through the bearing gland structure provides the axle center can stablize high speed rotating and lubricated smooth and easy effect, so as to promoting the innovation structure design of radiation fan running radiating efficiency.

Background technique

Heat radiation fan module is most important for computer and peripheral product thereof; It directly has influence on operational effectiveness, stability and the operating life of CPU or inner associated component; And the low vibratility of the Structural Design Requirement of heat radiation fan module, low noise property, high cooling efficiency and long service life etc.; Relatively also along with computer product structure Design development trend progresses greatly relatively, and develop towards directions such as volume miniaturization, frivolous and low power consumings.

In the existing cooling fan structure design, mainly form by a pedestal, stator group and a flabellum rotor group; Wherein this flabellum rotor group rotary supporting part position is made up of the pivot group state of axle center and bearing usually; And can keep stable and rotate smooth and easy state when letting the rotation of this axle center; Must be through bearing with the axle center strong fix; So the installing means of fixation of this bearing will influence this rotor set overall operation smoothness; Can't bear the vibration that running brings as if this bearing installing means of fixation, will influence the running efficiency that heat radiation wind looses, therefore must be directed against the installing steadiness of bearing and be provided with and protect oily structure for designing in detail to solve this problem.

Therefore,, how to develop a kind of innovation structure that has more desirable practicability, looked forward to by the user in fact, also must make great efforts target and the direction that research and development break through for relevant dealer to the existing problem of above-mentioned existing cooling fan structure.

In view of this, the creator this in manufacturing development and the design experiences of being engaged in Related product for many years, to above-mentioned target, in detail after design and the scrupulous assessment, eventually this creation of a true tool practicability.

Summary of the invention

The utility model provides a kind of radiation fan bearing gland structure, and when its purpose was to solve the rotor axis high speed rotating of existing radiation fan, bearing was provided with the problem that the not enough existing influence heat radiation wind of steadiness is loaded transfer efficient in bulk.

For achieving the above object, the technological scheme that the utility model adopts is: a kind of radiation fan bearing gland structure, and said radiation fan is made up of a pedestal, a bearing support, stator group, a rotor set and a bearing gland; This bearing support is installed in pedestal one pre-position and establishes a bearing for group, and is formed with an inwall in bearing support inside; This stator pack then is mounted on the bearing support periphery, is made up of silicon steel plate, coil and plastic insulation skeleton frame, and this plastic insulation skeleton frame inside is formed with a madial wall; This rotor set comprises a wheel hub, be located on the outside a plurality of flabellums of this wheel hub perisporium, be located on upright these rotor set central authorities that are located in a magnetic rings, an axle center of this wheel hub week pars intramuralis is the state that protrudes out downward vertically and pivot and inserts and be matched with said bearing; Said bearing gland comprises: a base pressure edge is formed at bearing gland hypomere portion to compress said bearing; One barrel is formed at this base pressure edge and becomes the close-fitting combination form with said bearing support inwall in the position on every side; One side is supported edge, is convexly set in bearing gland upper end outer rim and is closely against the inner formed madial wall of this stator pack plastic insulation skeleton frame with side direction, makes this stator pack strong fix peripheral in bearing support.

Related content in the technique scheme is explained as follows:

1. in the such scheme; Barrel and side through said bearing gland adopt friction tight mode to bearing support inwall and insulation skeleton frame madial wall respectively to edge; Make bearing in this bearing support receive bearing gland base pressure edge and compress and produce strong fix, make this stator pack can be fixed in that bearing support is peripheral unlikelyly to be deviate from, effectively promote radiation fan overall operation efficient.

2. in the such scheme, more be provided with one between said axle center and bearing gland and protect oily structure, it comprises: a ring groove, and the indent form is formed at the intermediate section in this axle center in the form of a ring, and the position of this ring groove is corresponding with this bearing upper end; One inward flange is formed at this bearing gland inner upper end edge place and is inside ring-type and protrudes out shape; Several oil ducts are formed at the bearing outside and are spaced shape in the form of a ring; One oblique flange; Being formed at the peripheral predetermined interval distance of rotor set winding axis part is downward ring and establishes the protrusion form; This oblique flange protrudes out distance downwards and is ring groove phase contraposition place to the oily structure of said guarantor, and tiltedly the section configuration of flange lower end surface is declivity shape from inside to outside.

3. in the such scheme, the oily structure of said guarantor more includes soft guarantor's oil ring body, mainly is made up of silica gel or rubber, is the link spring shape form and is mounted on this ring groove place.

4. in the such scheme, the peripheral predetermined interval distance of said rotor set winding axis part ring is downwards established and is protruding with a side direction trip, and in the lower end to side extending, and maintain a prepsetting gap with said bearing gland.

The utility model working principle and advantage are following:

A kind of radiation fan bearing gland of the utility model structure; Mainly be and adopt friction tight innovation unique texture design to bearing support inwall and insulation skeleton frame madial wall through the barrel and the side of said bearing gland respectively to edge; Make the existing structure in the utility model control background technology; The base pressure edge that makes the interior bearing of this bearing support receive bearing gland compresses and produces the strong fix effect; And make this stator pack can be fixed in that bearing support is peripheral unlikelyly to be deviate from, effectively promote radiation fan overall operation efficient.

Description of drawings

Accompanying drawing 1 is the assembled sectional view of the utility model radiation fan bearing gland structure;

Accompanying drawing 2 is the view sub-anatomy of the utility model radiation fan bearing gland structure;

Accompanying drawing 3 is the thin portion assembled sectional view of the utility model radiation fan bearing gland structure;

Another implements illustration to accompanying drawing 4 for the rotor set of the utility model radiation fan bearing gland structure is protected oily structure;

Accompanying drawing 5 is embodiment's illustrative view of the utility model radiation fan bearing gland structure;

Accompanying drawing 6 is protected another enforcement illustration that oily structure is provided with soft guarantor's oil ring body for the rotor set of the utility model radiation fan bearing gland structure.

In the above accompanying drawing: 10. pedestal; 20. bearing support; 21. inwall; 211. oil duct; 22. bearing; 30. stator pack; 31. silicon steel plate; 32. coil; 33. plastic insulation skeleton frame; 331. madial wall; 40. rotor set; 41. wheel hub; 42. flabellum; 43. magnetic rings; 44. axle center; 45. oblique flange; 46. side direction trip; 50. bearing gland; 51. base pressure edge; 52. barrel; 53. side is supported edge; 54. inward flange; 54B. inward flange; 60. protect oily structure; 61. ring groove; 62. soft guarantor's oil ring body; 01. lubricated oil body.

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Embodiment: shown in accompanying drawing 1～3, a kind of radiation fan bearing gland structure,

Said radiation fan is made up of a pedestal 10, a bearing support 20, stator group 30, a rotor set 40 and a bearing gland 50; This bearing support 20 is installed in pedestal 10 1 pre-positions and establishes a bearing for group, and is formed with an inwall 21 in 20 inside of bearing; 30 of this stator pack are mounted on bearing support 20 peripheries, are made up of silicon steel plate 31, coil 32 and plastic insulation skeleton frame 33, and these plastic insulation skeleton frame 33 inside are formed with a madial wall 331; This rotor set 40 comprises a wheel hub 41, be located on the outside a plurality of flabellums 42 of these wheel hub 41 perisporiums, be located on upright these rotor set 40 central authorities that are located in a magnetic rings 43, an axle center 44 of these wheel hub 41 all pars intramuralis is the state that protrudes out downward vertically and pivot and inserts and be matched with said bearing 22; Said bearing gland 50 comprises:

One base pressure edge 51 is formed at 50 times ora terminalis oral areas of bearing gland position and makes it not deviate from bearing support 21 to compress said bearing 22;

One barrel 52 is formed at the form that the 21 one-tenth close-fittings in position and these bearing support 20 inwalls make up around the base pressure edge 51 of bearing gland 50;

One side is supported edge 53, and ring-type is convexly set in bearing gland 50 upper end outer rims and is closely against this stator pack 30 plastic insulation skeleton frames 33 inner formed madial walls 331 with side direction, make this stator pack 30 can strong fix in bearing support 20 peripheries;

Wherein, 50 of said axle center 44 and bearing glands more are provided with one and protect oily structure 60, and it comprises:

One ring groove 61, the indent form is formed at the intermediate section in this axle center 44 in the form of a ring, and the position of this ring groove 61 is corresponding with these bearing 22 upper ends;

One inward flange 54 is formed at these bearing gland 50 inner upper end edge places and is inside ring-type and protrudes out shape;

One oblique flange 45; Being formed at the peripheral predetermined interval distance in this 44 positions, rotor set 40 winding axle center is downward ring and establishes the protrusion form; This oblique flange 45 protrudes out distance downwards for to protect ring groove 61 phase contrapositions place of oily structure 60 to this, and tiltedly the section configuration of flange 45 lower end surfaces is declivity shape from inside to outside.

As shown in Figure 4; Wherein, The peripheral predetermined interval distance in 44 positions, said rotor set 40 winding axle center is encircled to establish downwards and is protruding with a side direction trip 46; This side direction trip 46 protrudes out distance downwards for to protect ring groove 61 phase contrapositions place of oily structure 60 to this, and in the lower end to lateral spread above the inward flange 54B at bearing gland 50 inner upper end edge places, and maintain a prepsetting gap with this bearing gland 50.

As shown in Figure 6, wherein, the oily structure 60 of said guarantor more includes soft guarantor's oil ring body 62, for soft materials such as silica gel or rubber constitute, is the link spring shape form and is mounted on said ring groove 61 places;

Wherein, said bearing 22 outsides more are provided with spaced several oil ducts 211 of ring-type.

Form design through said structure, explain as follows with regard to the use start situation of the utility model now:

As shown in Figure 5; When said rotor set 40 high speed rotating; The capillarity of

axle center

44 and 22 generations of bearing is prone to lubricate the winding position (shown in L among Fig. 5) that oil body 01 causes axle center 44 and rotor set 40; The inertial properties that produces through this rotor set 40 high speed rotating, when lubricated oil body 01 overflow when touching oblique flange 45, can rotor set 40 be rotated the lubricated oil body 01 that draws rise and throw away rotor set 40; Make the lubricant oil body can remain in bearing support 20 inside, and can produce the effect of internal lubrication oil body 01 recycle.

Said ring groove 61 places are provided with soft guarantor's oil ring body 62 (as shown in Figure 6); When lubricated oil body 01 causes soft guarantor's oil ring body 62 on because of rotor set 40 high speed rotating; Inertial properties through this rotor set 40 high speed rotating generation; Let lubricated oil body 01 throw away rotor set 40, make the lubricant oil body can remain in bearing support 20 inside.

When said rotor set 40 high speed rotating; Can produce dither; Through bearing gland 50 with these bearing 22 strong fixs; And can simultaneously stator pack 30 be fixed in bearing support 20 peripheries, and prevent that through the inward flange 54 of this bearing gland 50 the bearing support 20 inner lubricated oil bodies 01 of high fluidity from overflowing this bearing gland 50 outsides, protects oily effect to produce one.

The producible new effect of the utility model is following:

1, the inertial properties that produces through said rotor set high speed rotating; When lubricated oil body overflow when touching oblique flange; Can rotor set be rotated the lubricated oil body that draws rise and throw away rotor set, make the lubricant oil body can remain in bearing support inside, and can reach the effect of internal lubrication oil body recycle.

2, the inward flange through said bearing gland prevents that the lubricated oil body of the inner high fluidity of bearing support from overflowing this bearing gland outside, protects oily effect to produce one.

The foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.

Claims

1. radiation fan bearing gland structure, it is characterized in that: said radiation fan is made up of a pedestal, a bearing support, stator group, a rotor set and a bearing gland; This bearing support is installed in pedestal one pre-position and establishes a bearing for group, and is formed with an inwall in bearing support inside; This stator pack then is mounted on the bearing support periphery, is made up of silicon steel plate, coil and plastic insulation skeleton frame, and this plastic insulation skeleton frame inside is formed with a madial wall; This rotor set comprises a wheel hub, be located on the outside a plurality of flabellums of this wheel hub perisporium, be located on upright these rotor set central authorities that are located in a magnetic rings, an axle center of this wheel hub week pars intramuralis is the state that protrudes out downward vertically and pivot and inserts and be matched with said bearing; Said bearing gland comprises:

One base pressure edge is formed at bearing gland hypomere portion to compress said bearing;

One barrel is formed at this base pressure edge and becomes the close-fitting combination form with said bearing support inwall in the position on every side;

One side is supported edge, is convexly set in bearing gland upper end outer rim and is closely against the inner formed madial wall of this stator pack plastic insulation skeleton frame with side direction, makes this stator pack strong fix peripheral in bearing support.

2. radiation fan bearing gland structure according to claim 1; It is characterized in that: more be provided with one between said axle center and bearing gland and protect oily structure; It comprises: a ring groove; The indent form is formed at the intermediate section in this axle center in the form of a ring, and the position of this ring groove is corresponding with this bearing upper end; One inward flange is formed at this bearing gland inner upper end edge place and is inside ring-type and protrudes out shape; Several oil ducts are formed at the bearing outside and are spaced shape in the form of a ring; One oblique flange; Being formed at the peripheral predetermined interval distance of rotor set winding axis part is downward ring and establishes the protrusion form; This oblique flange protrudes out distance downwards and is ring groove phase contraposition place to the oily structure of said guarantor, and tiltedly the section configuration of flange lower end surface is declivity shape from inside to outside.

3. radiation fan bearing gland structure according to claim 2 is characterized in that: the oily structure of said guarantor more includes soft guarantor's oil ring body, mainly is made up of silica gel or rubber, is the link spring shape form and is mounted on this ring groove place.

4. radiation fan bearing gland structure according to claim 1; It is characterized in that: the peripheral predetermined interval distance of said rotor set winding axis part is encircled to establish downwards and is protruding with a side direction trip; And in the lower end to side extending, and maintain a prepsetting gap with said bearing gland.