CN205858731U

CN205858731U - A kind of little micro-blower

Info

Publication number: CN205858731U
Application number: CN201620452859.0U
Authority: CN
Inventors: 罗立峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-05-19
Filing date: 2016-05-18
Publication date: 2017-01-04
Anticipated expiration: 2026-05-18
Also published as: CN105889325B; CN105889324B; WO2016184417A1; CN106026491B; CN106026491A; TW201704629A; CN105889325A; CN105889324A; TWI676734B; WO2016184409A1; CN105888819B; WO2016184415A1; TW201711350A; TW201706496A; CN105889326B; WO2016184411A1; TWI676735B; CN205864142U; CN205858958U; CN205858493U

Abstract

The utility model discloses a kind of little micro-blower, it includes impeller, motor, rotating connector and hybrid kinetic pressure gas journal bearing, described motor includes rotor, stator, rotating shaft, end cap and housing, described housing is the circularly cylindrical structure being formed two cavitys by inside and outside cylinder, described rotating connector is to have the cylinder-like structure of a cavity, be set in the rotating shaft near impeller and be connected mutually with impeller and roller end, and its sidepiece is positioned at the cavity formed by the urceolus of housing and inner core；Described hybrid kinetic pressure gas journal bearing and rotating shaft are respectively positioned on the interior into the barrel chamber of housing, and described hybrid kinetic pressure gas journal bearing is set in rotating shaft；Described stator is fixed on the inner tank theca of housing, and described rotor is fixed on the side interior wall of rotating connector.This utility model may be implemented in the ultrahigh speed operating under air supporting state, for equal-wattage requirement, the volume of aerator can be made to be substantially reduced realization miniaturization.

Description

A kind of little micro-blower

Technical field

This utility model relates to a kind of little micro-blower, belongs to high-accuracy field of mechanical technique.

Background technology

Aerator is mainly used in business automation equipment needing the position of relatively strong winds amount, by the wind of rotary blade gained The steam that device interior produces is discharged by power, and its inside carries out the device of cooling.Traditional aerator is typically Use acceleration system that common power frequency motor speedup rear drive compressor impeller is rotated acting, there is following major defect: 1. Acceleration system is sufficiently complex, and weight is big, and floor space is many, involves great expense；The most not only need the most supporting oil system, and Leakage easily occur, range of application is limited；3. gear transmission noises is big, there is certain mechanical loss, and, common power frequency Motor power (output) density is low, and volume and weight is big, and noise is high；4. acceleration system and common power frequency motor are required for applying axle Holding, be limited by friction and the life-span of bearing, velocity of rotation can not be accomplished the highest, causes system overall power density low, and volume is huge Greatly, there is certain difficulty when carrying out power match with compressor impeller；5. due to power frequency motor invariablenes turning speed, such as drum to be regulated The air demand of blower fan, it is necessary to add extremely complex air intake control system, increases manufacturing cost and controls difficulty.

In order to solve the above-mentioned many defects existing for traditional motor aerator, Chinese patent literature CN102200136 Disclosing a kind of air suspension supply adjustable height speed motor in B and directly drive aerator, it includes compressor impeller, permagnetic synchronous motor Rotor, motor stator, front radial air bearing, rear radial air bearing, axial thrust air bearing, volute and electric machine casing； One end of permanent-magnetic synchronous motor rotor connects compressor impeller, and motor stator drives permanent-magnetic synchronous motor rotor to rotate, front radial direction Air bearing, rear radial air bearing, axial thrust air bearing suspension support permanent-magnetic synchronous motor rotor, volute is arranged on pressure Compressor wheel is peripheral, and electric machine casing is positioned at motor stator, front radial air bearing, rear radial air bearing, axial thrust air Bearing and the periphery of permanent-magnetic synchronous motor rotor.Although this patented technology is straight by the permanent-magnetic synchronous motor rotor of high-speed motor Connect driving pressure compressor wheel, the advantage such as have that efficiency is high, it is low to be lost, environmental protection, applicable scope are wide, but this patented technology there is also Following problem: 1, rotating speed is the most limited, can only realize the rotating speed of the highest 100,000 turns at present；2, can not longtime running: because of fortune at a high speed Raw heat of changing the line of production can not effectively be derived, so that stream time can not be the longest；3, the stability run up is the best, so that Actual operating efficiency does not reaches ideal goal；4, structure is the most complicated, and volume is bigger, it is impossible to meets current miniaturization and wants Ask.

Utility model content

The problems referred to above existed for prior art, it is high, at a high speed that the purpose of this utility model is to provide a kind of operational efficiency Good operation stability and the little micro-blower that can work long hours.

For achieving the above object, the technical solution adopted in the utility model is as follows:

A kind of little micro-blower, including impeller and motor, described motor includes rotor, stator, rotating shaft, end cap and shell Body；It is characterized in that: also include a rotating connector and a hybrid kinetic pressure gas journal bearing, and, described housing is Formed the circularly cylindrical structure of two cavitys by inside and outside cylinder, described rotating connector is the cylindric knot with a cavity Structure, described rotating connector is set in the rotating shaft of impeller, and is connected mutually with impeller and roller end, described The sidepiece of rotating connector is positioned at the cavity formed by the urceolus of housing and inner core；Described hybrid kinetic pressure gas radial axle Hold and be respectively positioned on the interior into the barrel chamber of housing with rotating shaft, and described hybrid kinetic pressure gas journal bearing is set in rotating shaft；Described fixed Son is fixed on the inner tank theca of housing, and described rotor is fixed on the side interior wall of rotating connector.

Preferably, it is being positioned at the gas channel that the rotating shaft end with hybrid kinetic pressure gas journal bearing is formed The sidepiece of rotating connector of top offer some inducing QI blades.

As further preferred scheme, offer some air inlets and some heat radiation steam vents in the urceolus week side of housing.

Preferably, be connected by clamping screw between described impeller with rotating connector and rotating shaft fixing.

As further preferred scheme, described rotating shaft and clamping screw all offer cavity, to alleviate described aerator Weight.

Preferably, described little micro-blower also includes impeller housing, and described impeller housing passes through bolt and housing Urceolus fixing connect.

Preferably, described hybrid kinetic pressure gas journal bearing includes bearing outside, bearing inner sleeve and is arranged on Foil-type elastic component between bearing outside and inner sleeve.

As further preferred scheme, the outer circumference surface of described bearing inner sleeve and both ends of the surface are respectively provided with the slot type of regular shape Decorative pattern.

As further preferred scheme, the slot type decorative pattern of the end face of described bearing inner sleeve and the slot type decorative pattern of other end Form specular, and the radial profile of the slot type decorative pattern of the axial profile line of the slot type decorative pattern of outer circumference surface and both ends of the surface It is respectively formed one_to_one corresponding and mutually joins.

As further preferred scheme, the axial high bit line and two in the slot type decorative pattern of the outer circumference surface of described bearing inner sleeve The high bit line of radial direction in the slot type decorative pattern of end face is homogeneously corresponding and mutually joins before end face peripheral chamfer；The groove of outer circumference surface Axial neutrality line in formula decorative pattern is the most corresponding with the radial direction neutrality line in the slot type decorative pattern of both ends of the surface and in end face peripheral chamfer Front mutually handing-over；Axial low-bit line in the slot type decorative pattern of outer circumference surface is equal with the radial direction low-bit line in the slot type decorative pattern of both ends of the surface Corresponding and mutually join before end face peripheral chamfer.

As further preferred scheme, on the cooperation face of the foil-type elastic component matched with the outer circumference surface of bearing inner sleeve It is provided with wear-resistant coating.

As further preferred scheme, the fit clearance of described foil-type elastic component and bearing inner sleeve be 0.003～ 0.008mm。

As further preferred scheme, the two ends of described foil-type elastic component are each attached to the inner peripheral wall of bearing outside On.

As further preferred scheme, described foil-type elastic component is multiple, and uniform along the inner peripheral wall of bearing outside Distribution.

As further preferred scheme, the inner peripheral wall at bearing outside is provided with the draw-in groove for fixing foil-type elastic component.

As further preferred scheme, it is provided with stop ring at the two ends of bearing outside.

As a kind of embodiment, described little micro-blower also includes a hybrid kinetic pressure gas thrust bearing, Described hybrid kinetic pressure gas thrust bearing includes two side panels and is folded in the mid-game between two side panels, in each side Foil-type elastic component it is equipped with between dish and mid-game, and, described hybrid kinetic pressure gas thrust bearing is positioned at housing and end cap shape In the cavity become, and it is set in rotating shaft.

Preferably, described end cap is by bolt and the mid-game adjustment ring of hybrid kinetic pressure gas thrust bearing and shell The afterbody of body is fixing to be connected.

Preferably, the both ends of the surface of described mid-game are equipped with the slot type decorative pattern of regular shape, and the slot type of end face Decorative pattern forms specular with the slot type decorative pattern of other end.

Preferably, the outer circumference surface in described mid-game also is provided with slot type decorative pattern, and the slot type decorative pattern of outer circumference surface Shape identical with the shape of the slot type decorative pattern of both ends of the surface, and the axial profile line of the slot type decorative pattern of outer circumference surface and both ends of the surface The radial profile of slot type decorative pattern be respectively formed one_to_one corresponding and mutually join.

Groove as further preferred scheme, the axial high bit line in the slot type decorative pattern of the outer circumference surface of mid-game and both ends of the surface The high bit line of radial direction in formula decorative pattern is homogeneously corresponding and mutually joins before end face peripheral chamfer；In the slot type decorative pattern of outer circumference surface Axial neutrality line the most corresponding with the radial direction neutrality line in the slot type decorative pattern of both ends of the surface and mutually hand over before end face peripheral chamfer Connect；Axial low-bit line in the slot type decorative pattern of outer circumference surface is the most corresponding with the radial direction low-bit line in the slot type decorative pattern of both ends of the surface, And mutually join before end face peripheral chamfer.

As further preferred scheme, the cooperation face of the foil-type elastic component matched with mid-game is provided with wear-resistant coating.

As further preferred scheme, described foil-type elastic component is 0.003～0.008mm with the fit clearance of mid-game.

As further preferred scheme, at least one end of described foil-type elastic component is fixed on the inner face of corresponding side panel.

As further preferred scheme, the foil-type elastic component on each side panel is multiple, and uniform along the inner face of side panel Distribution.

As further preferred scheme, the foil-type elastic component being fixed on a side panel be fixed on another side panel Foil-type elastic component forms specular.

As further preferred scheme, the inner face at side panel is provided with the draw-in groove for fixing foil-type elastic component.

As a kind of embodiment, described foil-type elastic component is made up of ripple paper tinsel peace paper tinsel, the arc convex of described ripple paper tinsel Top fits with flat paper tinsel.

As another embodiment, described foil-type elastic component is made up of ripple paper tinsel peace paper tinsel, between the ripple arch of described ripple paper tinsel Transition base fits with flat paper tinsel.

As another embodiment, described foil-type elastic component is made up of two flat paper tinsels.

Above-mentioned slot type decorative pattern is impeller shape.

Above-mentioned foil-type elastic component is preferably through Surface heat-treatent.

Compared with prior art, this utility model has the advantages that

Because of aerator provided by the utility model, it is the lubricant using gas as bearing, the most not only has without dirty Contaminate, friction loss is low, use the plurality of advantages such as time length, applied widely, energy-conserving and environment-protective, and uses described structure, heat radiation Effective, it is ensured that long-time steady operation；Especially, surpassing under air supporting state can be realized because of the air bearing of described structure Run up (after tested, up to 100,000～450, the limit speed of 000rpm), therefore for equal-wattage requirement, this reality It is substantially reduced realization miniaturization with the novel volume making aerator, there is the advantage such as little, easy to use that takes up room, to promotion The development of miniaturization new and high technology has important value, has significance progress referring now to prior art.

Accompanying drawing explanation

Fig. 1 is the forward sight perspective view of a kind of little micro-blower that embodiment 1 provides；

Fig. 2 be embodiment 1 provide little micro-blower face structural representation；

Fig. 3 is the A-A direction view of Fig. 2；

Fig. 4 is the perspective view of the rotating connector that embodiment 1 provides；

Fig. 5 is the perspective view of the housing that embodiment 1 provides；

Fig. 6 is the left view stereochemical structure signal of the local segmentation of the hybrid kinetic pressure gas journal bearing that embodiment 1 provides Figure；

Fig. 7 is the B partial enlarged drawing in Fig. 6；

Fig. 8 is that the right side of the local segmentation of the hybrid kinetic pressure gas journal bearing that embodiment 1 provides regards stereochemical structure signal Figure；

Fig. 9 is the C partial enlarged drawing in Fig. 8；

Figure 10 is the cross-sectional view of the hybrid kinetic pressure gas journal bearing that embodiment 1 provides；

Figure 11 is the D partial enlarged drawing in Figure 10；

Figure 12 is the E partial enlarged drawing in Figure 11；

Figure 13 is the cross-sectional view of the hybrid kinetic pressure gas thrust bearing that embodiment 1 provides；

Figure 14 a is the left view of mid-game described in embodiment 1；

Figure 14 b is the right view of mid-game described in embodiment 1；

Figure 15 a is the right view of the left hand plate being fixed with foil-type elastic component described in embodiment 1；

Figure 15 b is the left view of the right side dish being fixed with foil-type elastic component described in embodiment 1；

Figure 16 is the cross section structure schematic diagram of the foil-type elastic component that embodiment 1 provides；

Figure 17 is the perspective view of the foil-type elastic component that embodiment 1 provides；

Figure 18 is the cross-sectional view of a kind of hybrid kinetic pressure gas journal bearing that embodiment 2 provides；

Figure 19 is the structural representation of Figure 18 medium wave paper tinsel；

Figure 20 is the cross-sectional view of a kind of hybrid kinetic pressure gas journal bearing that embodiment 3 provides；

Figure 21 a is the left view perspective view of a kind of hybrid kinetic pressure gas thrust bearing that embodiment 4 provides；

Figure 21 b is that the right side of the hybrid kinetic pressure gas thrust bearing that embodiment 4 provides regards perspective view；

Figure 22 is the local segmentation perspective view of the hybrid kinetic pressure gas thrust bearing that embodiment 4 provides；

Figure 23 is the left view perspective view of mid-game described in embodiment 4；

Figure 24 is the F partial enlarged drawing in Figure 23；

Figure 25 is that the right side of mid-game described in embodiment 4 regards perspective view；

Figure 26 is the G partial enlarged drawing in Figure 25.

In figure, label is schematically as follows:

1, impeller；11, impeller housing；2, motor；21, rotor；22, stator；23, rotating shaft；231, rotating shaft cavity；24, end cap； 25, housing；251, the urceolus of housing；252, the inner core of housing；253, air inlet；254, heat radiation steam vent；3, rotating connector； 31, the sidepiece of rotating connector；32, inducing QI blade；4, hybrid kinetic pressure gas journal bearing；41, bearing outside；411, card Groove；42, bearing inner sleeve；43, slot type decorative pattern；431, the slot type decorative pattern of outer circumference surface；4311, axial high bit line；4312, in axially Bit line；4313, axial low-bit line；432, the slot type decorative pattern of left side；4321, the highest bit line；4322, radially neutrality line； 4323, radially low-bit line；433, the slot type decorative pattern of right side；4331, the highest bit line；4332, radially neutrality line；4333, footpath To low-bit line；44, stop ring；45, foil-type elastic component；451, ripple paper tinsel；4511, arc convex；4512, transition base between ripple arch； 452, flat paper tinsel；453, wear-resistant coating；5, hybrid kinetic pressure gas thrust bearing；51, side panel；511, left hand plate；512, right side dish； 513, draw-in groove；52, mid-game；521, the slot type decorative pattern of left side；5211, the highest bit line；5212, radially neutrality line；5213, footpath To low-bit line；522, the slot type decorative pattern of right side；5221, the highest bit line；5222, radially neutrality line；5223, radially low level Line；523, the slot type decorative pattern of outer circumference surface；5231, axial high bit line；5232, axial neutrality line；5233, axial low-bit line；53、 Foil-type elastic component；53a, the foil-type elastic component being fixed in left hand plate；53b, the foil-type elastic component being fixed on the dish of right side；531、 Ripple paper tinsel；5311, arc convex；5312, transition base between ripple arch；532, flat paper tinsel；54, mid-game adjustment ring；6, clamping screw；61、 Clamping screw cavity；7, the bolt of fixing impeller housing；8, the bolt of fixing end cap.

Detailed description of the invention

Below in conjunction with the accompanying drawings and the technical solution of the utility model is described in detail by embodiment.

Embodiment 1

In conjunction with shown in Fig. 1 to Fig. 5: the little micro-blower of one that the present embodiment provides, including impeller 1 and motor 2, described Motor 2 includes rotor 21, stator 22, rotating shaft 23, end cap 24 and housing 25, it is characterised in that: also include rotating connector 3, mix Box-like kinetic pressure gas journal bearing 4 and hybrid kinetic pressure gas thrust bearing 5.

Described housing 25 is the circularly cylindrical structure being formed two cavitys by inside and outside cylinder, and described rotating connector 3 is tool Have the cylinder-like structure of a cavity, described rotating connector 3 to be set in the rotating shaft 23 near impeller 1, and with impeller 1 and turn Axle 23 end is connected mutually, and the sidepiece 31 of described rotating connector 3 is positioned at and is formed with inner core 252 by the urceolus 251 of housing Cavity in；Described hybrid kinetic pressure gas journal bearing 4 and rotating shaft 23 are respectively positioned in the cavity of inner core 252 of housing, and institute State hybrid kinetic pressure gas journal bearing 4 to be set in rotating shaft 23；Described stator 22 is fixed on inner core 252 outer wall of housing, Described rotor 21 is fixed on the inwall of sidepiece 31 of rotating connector 3.

Described hybrid kinetic pressure gas journal bearing 4 includes bearing outside 41, bearing inner sleeve 42 and is arranged on bearing outside Foil-type elastic component 45 between 41 and inner sleeve 42；Described hybrid kinetic pressure gas thrust bearing 5 includes two side panels 51 and folder The mid-game 52 being located between two side panels, is equipped with foil-type elastic component 53 between each side panel 51 and mid-game 52, and, described Hybrid kinetic pressure gas thrust bearing 5 is positioned at the cavity that housing 25 is formed with end cap 24, and is set in rotating shaft 23.

It is being positioned at turning above the gas channel that the rotating shaft 23 end with hybrid kinetic pressure gas journal bearing 4 is formed The sidepiece 31 of follower link 3 offers some inducing QI blades 32.

Some air inlets 253 and some heat radiation steam vents 254, described air inlet is offered in 251 weeks sides of urceolus of housing 253 are connected with inducing QI blade 32.

It is connected fixing between described impeller 1 with rotating connector 3 and rotating shaft 23 by clamping screw 6.

In order to alleviate the weight of described aerator further, cavity (231/ all offered by described rotating shaft 23 and clamping screw 6 61)。

Preferably, described little micro-blower also includes impeller housing 11, described impeller housing 11 by bolt 7 with The urceolus 251 of housing is fixing to be connected.Described end cap 24 is adjusted by the mid-game of bolt 8 with hybrid kinetic pressure gas thrust bearing 5 The afterbody of ring 54 and housing 25 is fixing to be connected.

In conjunction with shown in Fig. 6 to Fig. 9: outer circumference surface and the left and right end face of described bearing inner sleeve 42 are respectively provided with regular shape Slot type decorative pattern 43 (such as 431 in figure, 432 and 433, the slot type decorative pattern in the present embodiment is impeller shape), and left side Slot type decorative pattern 432 forms specular with the slot type decorative pattern 433 of right side.It is positioned at the slot type flower of the outer circumference surface of bearing inner sleeve 42 The axial profile line of stricture of vagina 431 is respectively formed one_to_one corresponding also with the radial profile of the slot type decorative pattern (432 and 433) of left and right end face Mutually handing-over, it may be assumed that the axial high bit line 4311 in the slot type decorative pattern 431 of outer circumference surface and the slot type decorative pattern (432 of left and right end face With 433) in the high bit line of radial direction (4321 and 4331) the most corresponding and mutually join before end face peripheral chamfer；Outer circumference surface Slot type decorative pattern 431 in axial neutrality line 4312 and the radial direction neutrality line in the slot type decorative pattern (432 and 433) of left and right end face (4322 and 4332) are the most corresponding and mutually join before end face peripheral chamfer；Axial in the slot type decorative pattern 431 of outer circumference surface Low-bit line 4313 is the most corresponding with the radial direction low-bit line (4323 and 4333) in the slot type decorative pattern of left and right end face (432 and 433), And mutually join before end face peripheral chamfer.

Slot type decorative pattern (431,432 and of regular shape it are respectively provided with by the outer circumference surface and both ends of the surface making bearing inner sleeve 42 433), the slot type decorative pattern 432 of left side and the slot type decorative pattern 433 of right side form the slot type decorative pattern of specular and outer circumference surface The axial profile line of 431 is respectively formed one_to_one corresponding phase with the radial profile of the slot type decorative pattern (432 and 433) of left and right end face Handing-over mutually, it is ensured that produced by the slot type decorative pattern (432 and 433) of the impeller shape of both ends of the surface, pressurization gas is from axle center radially Carrying in the recess channels constantly formed toward the slot type decorative pattern 431 of outer circumference surface, running up axle so that forming higher support Hold required air film, and air film is i.e. as the lubricant of kinetic pressure gas journal bearing, thus described bearing 4 can be realized at air supporting shape High speed steady running under state.

It addition, when being respectively provided with stop ring 44 at the two ends of bearing outside 41, may be implemented under the drive of high speed gyroaxis, Making to be produced from sealing function between the both ends of the surface of bearing inner sleeve 42 and stop ring 44, the action pneumatic physical ability making slot type decorative pattern continuously generate is complete Well in the airtight whole fit clearance being saved in bearing, to fully ensure that the lubrication of the kinetic pressure gas journal bearing run up Need.

Shown in Figure 10 and Figure 11: described foil-type elastic component 45 is arranged between bearing outside 41 and inner sleeve 42, is Using ripple paper tinsel 451 peace paper tinsel 452 to form, the top of the arc convex 4511 of described ripple paper tinsel 451 fits with flat paper tinsel 452, described Between the ripple arch of ripple paper tinsel 451, transition base 4512 fits with the inner peripheral wall of bearing outside 41.Inner periphery at bearing outside 41 Wall is provided with the draw-in groove 411 for fixing foil-type elastic component 45 two ends, and described draw-in groove 411 is relative with the quantity of foil-type elastic component 45 Should, and all inner peripheral walls along bearing outside 41 are uniformly distributed.

As shown in figure 12: at cooperation face (that is: the structure of the foil-type elastic component 45 matched with the outer circumference surface of bearing inner sleeve 42 Become the inner surface of the flat paper tinsel 452 of foil-type elastic component 45) it is provided with wear-resistant coating 453, the bearing run up with further reduction The inner sleeve 42 abrasion to foil-type elastic component 45, extends the service life of bearing.

Described foil-type elastic component 45 is preferably 0.003～0.008mm, with further with the fit clearance of bearing inner sleeve 42 Guarantee the reliability and stability that bearing runs up.

As shown in figure 13: the mid-game 52 described in the present embodiment is folded between two side panels 51, the left end of described mid-game 52 Face is provided with the slot type decorative pattern 521 of regular shape, and right side is provided with the slot type decorative pattern 522 of regular shape.

Visible in conjunction with Figure 14 a and Figure 14 b: the slot type decorative pattern 521 of the left side of described mid-game 52 is spent with the slot type of right side Specular, the radial profile of the slot type decorative pattern 521 of left side and the slot type decorative pattern 522 of right side is formed between stricture of vagina 522 Radial profile forms one_to_one corresponding.

Described slot type decorative pattern 521 is identical with the shape of 522, is impeller shape in the present embodiment.

Visible further combined with Figure 15 a and Figure 15 b: described foil-type elastic component 53 is fixed on the inner face of corresponding side panel 51 (shown in the left hand plate 511 and Figure 15 b being fixed with foil-type elastic component 53a shown in such as Figure 15 a, it is fixed with foil-type elastic component The right side dish 512 of 53b), and the foil-type elastic component 53a being fixed in left hand plate 511 and be fixed on right side dish 512 on foil-type bullet Property part 53b formed specular.Foil-type elastic component on each side panel can be multiple (shown in figure are 4), and along side The inner face of dish is uniformly distributed.

By arranging foil-type elastic component 53 between side panel 51 and mid-game 52, the left and right end face in mid-game 52 arranges rule The slot type decorative pattern (521 and 522) of shape, and make the slot type decorative pattern 521 of left side form mirror image with the slot type decorative pattern 522 of right side Symmetry, thus obtained the rigidity characteristic of the high limit rotating speed not only with slot type kinetic pressure gas thrust bearing, but also there is paillon foil formula The high impact-resistance of kinetic pressure gas thrust bearing and the hybrid kinetic pressure gas thrust bearing of the flexible characteristic of load-carrying ability；Cause For defining wedge shape space between foil-type elastic component 53 and mid-game 52, when mid-game 52 rotates, gas is because of the viscous effect of himself It is driven and is compressed in wedge shape space, thus axial hydrodynamic power can be made to been significantly enhanced, relative to existing simple paper tinsel Chip kinetic pressure gas thrust bearing, can have the limit speed being multiplied under same load；Simultaneously as add foil-type Elastic component 53, under its elastic reaction, the ability that also can make the load-carrying ability of bearing, impact resistance and suppression axle whirling motion is notable Improve, relative to existing simple slot type kinetic pressure gas thrust bearing, can have the shock resistance being multiplied under same rotational speed Ability and load-carrying ability.

For reducing the mid-game 52 the run up abrasion to foil-type elastic component 53 further, to extend the use longevity of bearing Life, preferably arranges wear-resistant coating (not shown) on the cooperation face of the foil-type elastic component 53 matched with mid-game 52.

As shown in Figure 16 and Figure 17: the foil-type elastic component 45/53 described in the present embodiment is by ripple paper tinsel 451/531 peace paper tinsel 452/532 composition, the top of the arc convex 4511/5311 of described ripple paper tinsel 451/531 fits with flat paper tinsel 452/532.

Embodiment 2

As shown in figure 18, the foil-type elastic component 45 described in the present embodiment is made up of ripple paper tinsel 451 peace paper tinsel 452, described ripple paper tinsel The top of the arc convex 4511 of 451 fits with the inner peripheral wall of bearing outside 41, between the ripple arch of described ripple paper tinsel 451 at the bottom of transition Limit 4512 fits with flat paper tinsel 452.

Figure 19 show the structural representation of described ripple paper tinsel 451.

Embodiment 3

As shown in figure 20, the foil-type elastic component 45 described in the present embodiment is made up of two flat paper tinsels 452.

Embodiment 4

In conjunction with Figure 21 a, 21b, shown in 22 to 26 visible, the hybrid kinetic pressure gas thrust bearing of one that the present embodiment provides With differing only in of embodiment 1:

Outer circumference surface in described mid-game 52 also is provided with slot type decorative pattern 523, and the shape of the slot type decorative pattern 523 of outer circumference surface Identical with the shape of the slot type decorative pattern of left and right end face (521 and 522) (in the present embodiment, being also impeller shape), and cylindrical The equal shape of radial profile of the slot type decorative pattern (521 and 522) of the axial profile line of the slot type decorative pattern 523 of side face and left and right end face Become one_to_one corresponding and mutually join；That is:

Axial high bit line 5231 in the slot type decorative pattern 523 of outer circumference surface and the radial direction in the slot type decorative pattern 521 of left side High bit line 5211 is the most corresponding and mutually joins before end face peripheral chamfer；In axial direction in the slot type decorative pattern 523 of outer circumference surface Bit line 5232 the most corresponding with the radial direction neutrality line 5212 in the slot type decorative pattern 521 of left side and before end face peripheral chamfer phase Handing-over mutually；Axial low-bit line 5233 in the slot type decorative pattern 523 of outer circumference surface is low with the radial direction in the slot type decorative pattern 521 of left side Bit line 5213 is the most corresponding and mutually joins (as shown in figure 24) before end face peripheral chamfer；

Axial high bit line 5231 in the slot type decorative pattern 523 of outer circumference surface and the radial direction in the slot type decorative pattern 522 of right side High bit line 5221 is the most corresponding and mutually joins before end face peripheral chamfer；In axial direction in the slot type decorative pattern 523 of outer circumference surface Bit line 5232 the most corresponding with the radial direction neutrality line 5222 in the slot type decorative pattern 522 of right side and before end face peripheral chamfer phase Handing-over mutually；Axial low-bit line 5233 in the slot type decorative pattern 523 of outer circumference surface is low with the radial direction in the slot type decorative pattern 522 of right side Bit line 5223 is the most corresponding and mutually joins (as shown in figure 26) before end face peripheral chamfer.

When the outer circumference surface in described mid-game 52 also is provided with slot type decorative pattern, and make the shape of the slot type decorative pattern 523 of outer circumference surface Shape is identical with the shape of the slot type decorative pattern of left and right end face (521 and 522), and the axial wheel of the slot type decorative pattern 523 of outer circumference surface When the radial profile of the slot type decorative pattern (521 and 522) of profile and left and right end face is respectively formed one_to_one corresponding and mutually joins, can Make pressurization gas produced by the slot type decorative pattern (521 and 522) of inner disc both ends of the surface from axle center the most constantly toward outer circumference surface The recess channels that formed of slot type decorative pattern 523 in carry run up the air film needed for bearing so that forming higher support, and gas Film is i.e. as the lubricant of kinetic pressure gas thrust bearing, thus can be further assured that described hybrid kinetic pressure gas thrust bearing High speed steady running under air supporting state, is further ensured that for realizing the high limit rotating speed offer of aerator.

The inner face of side panel 51 is provided with the draw-in groove 513 (as shown in figure 22) for fixing foil-type elastic component 53.

Described foil-type elastic component 53 is preferably 0.003～0.008mm, to further ensure that with the fit clearance of mid-game 52 The reliability and stability that bearing runs up.

It is further to note that: the foil-type elastic component 45/53 described in this utility model all preferably through surface heat at Reason, preferably to meet the performance requirement run up；The composition structure of described foil-type elastic component 45/53 is not limited to above-mentioned reality Execute described in example, it is possible to use other existing structure.

After tested, the bearing that this utility model provides can reach 100,000～450 under air supporting state, the pole of 000rpm Limit rotating speed, therefore for equal-wattage requirement, this utility model can make the volume of aerator be substantially reduced realization miniaturization, to rush The development entering to be miniaturized new and high technology has important value.

Claims

1. a little micro-blower, including impeller and motor, described motor includes rotor, stator, rotating shaft, end cap and housing； It is characterized in that: also include a rotating connector and a hybrid kinetic pressure gas journal bearing, and, described housing be by Inside and outside cylinder forms the circularly cylindrical structure of two cavitys, and described rotating connector is the cylinder-like structure with a cavity, Described rotating connector is set in the rotating shaft of impeller, and is connected mutually with impeller and roller end, described turn The sidepiece of follower link is positioned at the cavity formed by the urceolus of housing and inner core；Described hybrid kinetic pressure gas journal bearing With the interior into the barrel chamber that rotating shaft is respectively positioned on housing, and described hybrid kinetic pressure gas journal bearing is set in rotating shaft；Described stator Being fixed on the inner tank theca of housing, described rotor is fixed on the side interior wall of rotating connector.

Little micro-blower the most according to claim 1, it is characterised in that: it is being positioned at rotating shaft and hybrid kinetic pressure gas footpath The sidepiece of the rotating connector of the top of the gas channel formed to the end of bearing offers some inducing QI blades.

Little micro-blower the most according to claim 2, it is characterised in that: offer in the urceolus week side of housing some enter Pore and some heat radiation steam vents.

Little micro-blower the most according to claim 1, it is characterised in that: described hybrid kinetic pressure gas journal bearing Including bearing outside, bearing inner sleeve and the foil-type elastic component being arranged between bearing outside and inner sleeve.

Little micro-blower the most according to claim 4, it is characterised in that: the outer circumference surface of described bearing inner sleeve and two ends Face is respectively provided with the slot type decorative pattern of regular shape.

Little micro-blower the most according to claim 5, it is characterised in that: the slot type flower of the end face of described bearing inner sleeve The slot type decorative pattern of stricture of vagina and other end forms specular, and the axial profile line of the slot type decorative pattern of outer circumference surface and both ends of the surface The radial profile of slot type decorative pattern be respectively formed one_to_one corresponding and mutually join.

Little micro-blower the most according to claim 6, it is characterised in that: the slot type decorative pattern of the outer circumference surface of bearing inner sleeve In axial high bit line bit line high with the radial direction in the slot type decorative pattern of both ends of the surface the most corresponding and before end face peripheral chamfer mutually Handing-over；Axial neutrality line in the slot type decorative pattern of outer circumference surface is the most relative with the radial direction neutrality line in the slot type decorative pattern of both ends of the surface Should and mutually join before end face peripheral chamfer；Axial low-bit line in the slot type decorative pattern of outer circumference surface and the slot type of both ends of the surface Radial direction low-bit line in decorative pattern is the most corresponding and mutually joins before end face peripheral chamfer.

Little micro-blower the most according to any one of claim 1 to 7, it is characterised in that: described little miniature air blast Machine also include a hybrid kinetic pressure gas thrust bearing, described hybrid kinetic pressure gas thrust bearing include two side panels with And it is folded in the mid-game between two side panels, between each side panel and mid-game, it is equipped with foil-type elastic component, and, described mixing Formula kinetic pressure gas thrust bearing is positioned at the cavity that housing is formed with end cap, and is set in rotating shaft.

Little micro-blower the most according to claim 8, it is characterised in that: the both ends of the surface of described mid-game are equipped with rule shape The slot type decorative pattern of shape, and the slot type decorative pattern formation specular of the slot type decorative pattern of end face and other end.

Little micro-blower the most according to claim 9, it is characterised in that: the outer circumference surface in described mid-game also is provided with Slot type decorative pattern, and the shape of the slot type decorative pattern of outer circumference surface is identical with the shape of the slot type decorative pattern of both ends of the surface, and outer circumference surface The axial profile line of slot type decorative pattern be respectively formed one_to_one corresponding with the radial profile of the slot type decorative pattern of both ends of the surface and mutually join.

11. little micro-blowers according to claim 10, it is characterised in that: in the slot type decorative pattern of the outer circumference surface of mid-game Axial high bit line bit line high with the radial direction in the slot type decorative pattern of both ends of the surface the most corresponding and mutually hand over before end face peripheral chamfer Connect；Axial neutrality line in the slot type decorative pattern of outer circumference surface is the most corresponding with the radial direction neutrality line in the slot type decorative pattern of both ends of the surface, And mutually join before end face peripheral chamfer；Axial low-bit line in the slot type decorative pattern of outer circumference surface and the slot type decorative pattern of both ends of the surface In radial direction low-bit line the most corresponding and mutually join before end face peripheral chamfer.

12. little micro-blowers according to claim 8, it is characterised in that: the foil-type being fixed on a side panel is elastic Part forms specular with the foil-type elastic component being fixed on another side panel.

13. little micro-blowers according to claim 8, it is characterised in that: described foil-type elastic component is by ripple paper tinsel peace Paper tinsel forms, and the arc convex top of described ripple paper tinsel fits with flat paper tinsel.

14. little micro-blowers according to claim 8, it is characterised in that: described foil-type elastic component is by ripple paper tinsel peace Paper tinsel forms, and between the ripple arch of described ripple paper tinsel, transition base fits with flat paper tinsel.

15. little micro-blowers according to claim 8, it is characterised in that: described foil-type elastic component is by two flat paper tinsels Composition.