CN205918632U - Adopt car purification pump module of paillon foil dynamic pressure air bearing supporting - Google Patents
Adopt car purification pump module of paillon foil dynamic pressure air bearing supporting Download PDFInfo
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- CN205918632U CN205918632U CN201620859255.8U CN201620859255U CN205918632U CN 205918632 U CN205918632 U CN 205918632U CN 201620859255 U CN201620859255 U CN 201620859255U CN 205918632 U CN205918632 U CN 205918632U
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- Prior art keywords
- bearing
- air bearing
- pressure air
- axle sleeve
- dynamic pressure
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Abstract
The utility model relates to an adopt car purification pump module of paillon foil dynamic pressure air bearing supporting adopts modularization design to make an integral module with thrust paillon foil dynamic pressure air bearing, radial paillon foil dynamic pressure air bearing, bearing frame and axle sleeve, set up thrust paillon foil dynamic pressure air bearing respectively in two terminal surface outsides of axle sleeve, set up radial paillon foil dynamic pressure air bearing in the external diameter face of cylinder outside of axle sleeve. Modularized design simple to operate is favorable to big mass production. The utility model discloses a paillon foil dynamic pressure air bearing replaces traditional antifriction bearing or oil bearing as automobile purification pump's supporting components, except that possess traditional gas bearing rotational speed and the gyration precision is high, the consumption is little, pollution -free, longe -lived and can be at abominable operational environment down the advantage such as work, possesses still that adaptive is good, the manufacturing assembles that the required precision hangs down, shock resistance is good, stability is high, need not special lubricating system, maintenance cost low grade advantage.
Description
Technical field
This utility model is related to automobile purification pump bearing, relates more specifically to one kind using the supporting of foil dynamical pressure air bearing
Automobile purification pump module.
Background technology
With scientific and technical rapid advances, high rotating speed, the small rotary machinery of high stability are to as core support
The requirement of the bearing of part also more and more higher.Air purification pump is as one of automobile evap system (fuel tank steam control system)
Point, be a kind of be miniature high-speed rotating machinery between 40000rpm～100000rpm by motor-driven, working speed, its
All there is special requirement to the rotating speed of the bearing as supporting member, stability, noise, service life etc..Foil dynamical pressure air
Bearing is a kind of new self-acting air bearing, compared with traditional rolling bearing and oil bearing, has rotating speed height, friction power loss
The advantages of low, operating temperature range width, impact resistance, assembling centering require low and long service life.
Air purification pump inevitably touches oil as the part in automobile evap system, its bearing support
Gas, if using traditional grease lubrication ball bearing, on the one hand having strict restriction to the operating temperature range of bearing, oil simultaneously
The presence of gas can cause the rotten of grease, reduce service life, there is likely to be the larger problem of work noise simultaneously；If
Using oil bearing, need extra oil lubricating piping, increased the complexity of system.Foil dynamical pressure air bearing is non-as one kind
The high-speed bearing of contact, the application in automobile purification pump has advantageous advantage, can not only effectively meet automobile net
Change the working condition requirement of pump, be conducive to the production in enormous quantities of self-fractionating pump simultaneously, and its taking up room in the car can be effectively reduced,
And foil dynamical pressure air bearing therein placement scheme in automobile purification pump is particularly important.
Existing employing foil dynamical pressure air bearing, as the system of supporting, is generally provided with one end of its axle sleeve or middle part
Thrust dish structure.After the outside dimension of bearing block determines, the journal size of its radial foil self-acting air bearing is significantly less than
Axle sleeve does not set the journal size of thrust button, and when the unbalancing value of impeller and motor is larger, its journal bearing bearing capacity cannot
Meet use requirement.In addition, its radial foil self-acting air bearing and thrust foil dynamical pressure air bearing exist in aspect of performance
Shifting contradiction, that is, increase radial foil self-acting air bearing axle journal (improving journal bearing performance), only inevitably enlarge
Push away the interior diameter (reducing thrust bearing performance) of foil dynamical pressure air bearing；Reduce the interior straight of thrust foil dynamical pressure air bearing
Thrust bearing performance (is improved) in footpath, necessarily reduces the axle journal (reducing journal bearing performance) of radial foil self-acting air bearing.
Content of the invention
For problems of the prior art, this utility model provides a kind of employing foil dynamical pressure air bearing supporting
Automobile purification pump module, is respectively provided with thrust foil dynamical pressure air bearing outside two end faces of axle sleeve, axle sleeve eliminates
Thrust dish structure, and adopt modular mentality of designing.On the one hand meet automobile purification pump to high rotating speed, high stability and relatively
The requirement of long life, in turn simplify shafting structure simultaneously, reduces production and processing cost, is conducive to producing in enormous quantities.
A kind of automobile purification pump module of employing foil dynamical pressure air bearing supporting, its concrete technical scheme is as follows.
This automobile purification pump module, including thrust foil dynamical pressure air bearing, radial foil self-acting air bearing, left bearing
Seat, right axle bearing and axle sleeve；Axle sleeve is located in the cavity that left shaft holder and right axle bearing are formed.Thrust button knot is eliminated on axle sleeve
Structure；It is respectively provided with thrust foil dynamical pressure air bearing outside two end faces of axle sleeve, axial bearing capacity is provided；In axle sleeve external diameter
Outside the face of cylinder, radial foil self-acting air bearing is set, radial direction bearing capacity is provided.Using the outer diameter cylindrical face of axle sleeve as radially
The working surface of foil dynamical pressure air bearing, using two end faces of axle sleeve as the worksheet of thrust foil dynamical pressure air bearing
Face.
In technique scheme, made using thrust foil dynamical pressure air bearing and the combination of radial foil self-acting air bearing
Mode, provides axially and radially bearing capacity for automobile purification pump, and mandrel two ends impeller and motor can be overcome to transport in high speed
The impact of unbalance dynamic active force when turning.
Thrust foil dynamical pressure air bearing is individually fixed on described left shaft holder and the inwall of right axle bearing；Radial foil
Self-acting air bearing is fixed on the inwall of the bearing block relative with axle sleeve outer diameter cylindrical face.
Left shaft holder and right axle bearing are connected and elastic conjunction by seam.
Further, mandrel can also be provided with technique scheme on axle sleeve, when purifying pump work, mandrel band
Moving axis covers high-speed rotation together.
Further, left shaft holder and right axle bearing can also be arranged inside the shell in technique scheme.
Further, impeller and motor can also be respectively provided with the two ends of mandrel in technique scheme.
In technique scheme, axle sleeve eliminates thrust dish structure, using two end faces of axle sleeve as thrust paillon foil
The working surface of self-acting air bearing, using the outer diameter cylindrical face of axle sleeve as the working surface of radial foil self-acting air bearing,
Improve the bearing capacity of this module.
The beneficial effects of the utility model
1. this utility model adopts foil dynamical pressure air bearing to replace traditional rolling bearing or oil bearing net as automobile
Change the supporting member of pump, except possessing traditional gas bearing rotating speed and rotating accuracy height, small power consumption, pollution-free, life-span length and energy
Outside the advantages of work under harsh environments, it is also equipped with that adaptivity is good, manufacture that assembly precision requirement is low, shock resistance
Good, stability is high, need not specially lubricating system, the low advantage of maintenance cost.
2. this utility model adopts modularized design thinking, by thrust foil dynamical pressure air bearing and radial foil dynamic pressure
Air bearing, axle sleeve and bearing block are integrally formed module, solve the assembly problem of foil dynamical pressure air bearing, installation side
Just, be conducive to quantitatively producing.
3. automobile purification pump module of the present utility model, eliminates the thrust dish structure in traditional gas design bearing, will
Two end faces of axle sleeve, as thrust surface, simplify axle sleeve structure, reduce production cost；Increase footpath in limited space
To the size of foil dynamical pressure air bearing, improve the bearing capacity of this module, be conducive to the high-speed stable running of whole rotor.
Brief description
Fig. 1 is cross-sectional view of the present utility model.
Fig. 2 is the close-up schematic view of cross-section structure a part of the present utility model.
In figure: 1 thrust foil dynamical pressure air bearing；2 radial foil self-acting air bearings；3 left shaft holders；4 right axle bearings；
5 axle sleeves；6 shells；7 mandrels；8 impellers；9 motors.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, this automobile purification pump module includes thrust foil dynamical pressure air bearing 1, radial foil dynamic pressure
Air bearing 2, left shaft holder 3, right axle bearing 4 and axle sleeve 5, axle sleeve 5 is located at the cavity that left shaft holder 3 and right axle bearing 4 are formed
Interior.
Between an end face and left shaft holder 3 of axle sleeve 5 and another end face in axle sleeve 5 and right axle bearing 4 it
Between be respectively provided with 1 thrust foil dynamical pressure air bearing 1, axial bearing capacity is provided.In axle sleeve 5 outer diameter cylindrical face and left shaft holder
Between 3,1 radial foil self-acting air bearing 2 is set, radial direction bearing capacity is provided
2 thrust foil dynamical pressure air bearing 1 are individually fixed in left shaft holder 3 and right axle bearing 4 by way of spot welding
Inwall on；1 radial foil self-acting air bearing 2 is fixed on relative with axle sleeve 5 outer diameter cylindrical face by way of spot welding
On the inwall of left shaft holder 3.
Left shaft holder 3 and right axle bearing 4 are connected by seam and together with being interference fitted into.In technique scheme,
Thrust dish structure is eliminated on axle sleeve 5；Two end faces of axle sleeve 5 are as the worksheet of both sides thrust foil dynamical pressure air bearing 1
Face；The outer diameter cylindrical face of axle sleeve 5 is as the working surface of radial foil self-acting air bearing 2.
Technique scheme adopts modularized design thinking, by thrust foil dynamical pressure air bearing 1 and radial foil dynamic pressure
Air bearing 2, left shaft holder 3, right axle bearing 4 and axle sleeve 5 are integrally formed module, easy for installation, are conducive to quantitatively
Produce.
In technique scheme, thrust foil dynamical pressure air bearing 1 and radial foil self-acting air bearing 2 can also lead to
The mode crossing steady pin is fixed.
In technique scheme, mandrel 7 can also be arranged on axle sleeve 5, mandrel 7 is entered by technology of pressure mounting elastic conjunction
In axle sleeve 5；When purifying pump work, mandrel 7 drives axle sleeve 5 high-speed rotation together.
In technique scheme, left shaft holder 3 and right axle bearing 4 can also be passed through to press-fit to be arranged in shell 6.
In technique scheme, can also be by left shaft holder 3 and right axle bearing 4 reversing of position.
In technique scheme, respectively impeller 8 can also be arranged by technology of pressure mounting elastic conjunction at the two ends of mandrel 7
With motor 9.
The technical solution of the utility model, on the one hand eliminates the thrust dish structure in traditional design, by two of axle sleeve
End face, as thrust surface, simplifies axle sleeve structure, reduces processing cost；On the other hand increase in limited space radially
The diameter of bearing, improves the bearing capacity of this module, is conducive to the stable operation of whole rotor.
Above example only in order to the technical solution of the utility model to be described, is not intended to limit；Although with reference to aforementioned reality
Apply example this utility model has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in embodiment to modify, or equivalent is carried out to wherein some technical characteristics；And these are repaiied
Change or replace, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model embodiment technical scheme.
Claims (7)
1. a kind of automobile purification pump module of employing foil dynamical pressure air bearing supporting, including thrust foil dynamical pressure air bearing
(1), radial foil self-acting air bearing (2), left shaft holder (3), right axle bearing (4) and axle sleeve (5), described axle sleeve (5) is located at
In the cavity that described left shaft holder (3) and described right axle bearing (4) are formed it is characterised in that: at two ends of described axle sleeve (5)
It is respectively provided with thrust foil dynamical pressure air bearing (1) outside face, radial direction paper tinsel is set outside the outer diameter cylindrical face of described axle sleeve (5)
Piece self-acting air bearing (2).
2. module according to claim 1 it is characterised in that: described thrust foil dynamical pressure air bearing (1) is fixed respectively
On the inwall of described left shaft holder (3) and described right axle bearing (4)；Described radial foil self-acting air bearing (2) is fixed on
On the inwall of the bearing block relative with described axle sleeve (5) outer diameter cylindrical face.
3. module according to claim 2 it is characterised in that: described thrust foil dynamical pressure air bearing (1) and described footpath
Fixed by way of spot welding or steady pin to foil dynamical pressure air bearing (2).
4. module according to claim 1 it is characterised in that: described left shaft holder (3) and described right axle bearing (4) are passed through
Seam connects and elastic conjunction.
5. according to the arbitrary described module of Claims 1 to 4 it is characterised in that: mandrel (7) is set described axle sleeve (5) is upper.
6. module according to claim 5 it is characterised in that: described left shaft holder (3) and described right axle bearing (4) setting
In shell (6).
7. module according to claim 6 it is characterised in that: the two ends of described mandrel (7) be respectively provided with impeller (8) and
Motor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620859255.8U CN205918632U (en) | 2016-08-10 | 2016-08-10 | Adopt car purification pump module of paillon foil dynamic pressure air bearing supporting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620859255.8U CN205918632U (en) | 2016-08-10 | 2016-08-10 | Adopt car purification pump module of paillon foil dynamic pressure air bearing supporting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918632U true CN205918632U (en) | 2017-02-01 |
Family
ID=57871566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620859255.8U Withdrawn - After Issue CN205918632U (en) | 2016-08-10 | 2016-08-10 | Adopt car purification pump module of paillon foil dynamic pressure air bearing supporting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089791A (en) * | 2016-08-10 | 2016-11-09 | 石家庄金士顿轴承科技有限公司 | A kind of automobile purification pump module using foil dynamical pressure air bearing to support |
-
2016
- 2016-08-10 CN CN201620859255.8U patent/CN205918632U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089791A (en) * | 2016-08-10 | 2016-11-09 | 石家庄金士顿轴承科技有限公司 | A kind of automobile purification pump module using foil dynamical pressure air bearing to support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170201 Effective date of abandoning: 20200121 |
|
| AV01 | Patent right actively abandoned |