CN201034078Y - Minitype wiper type air pump - Google Patents
Minitype wiper type air pump Download PDFInfo
- Publication number
- CN201034078Y CN201034078Y CNU2007200375703U CN200720037570U CN201034078Y CN 201034078 Y CN201034078 Y CN 201034078Y CN U2007200375703 U CNU2007200375703 U CN U2007200375703U CN 200720037570 U CN200720037570 U CN 200720037570U CN 201034078 Y CN201034078 Y CN 201034078Y
- Authority
- CN
- China
- Prior art keywords
- air pump
- motor
- housing
- end cap
- cylinder sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a miniature vane air pump, which is a miniature compression device for pumping and exhausting noncombustible and nonexplosive air, and is suitable for financial implements, medicine, chemical engineering, detecting instruments and meters to pump and exhaust compressed noncombustible and nonexplosive air. The air pump comprises a motor housing, a motor stator, a motor rotor, a motor shaft, a motor end cover, an air pump housing, a cylinder sleeve, an air pump impeller, a plurality of sliding vanes, a plurality of oil-free lubricating washer and an air pump end cover. The motor stator is arranged in the motor housing. The motor rotor is arranged on the motor shaft. The motor end cover is arranged at one end of the motor housing. The motor rotor is arranged in the inner hole of the motor stator. The air pump housing is arranged on the outer side of the motor end cover. The air pump end cover is arranged at the outer side of the air pump housing. The cylinder sleeve is arranged in the air pump housing. The air pump impeller is arranged in the cylinder sleeve and fixed on the motor shaft. The air pump impeller is provided with a plurality of sliding vane grooves in which the sliding vanes are arranged. The oil-free lubricating washers are arranged on both sides of the air pump impeller. An air inlet and an air outlet are arranged on the air pump housing and the cylinder sleeve.
Description
Technical field
What the miniature sliding vane air pump of the utility model related to is that a kind of miniature non-flammable explosive gas is taken out, the row pressure compression apparatus, is applicable to that financial machine and tool, medication chemistry, detection compress non-flammable explosive gas with instrument, instrument pump drainage.
Background technique
At present, the manufacturing of the whole employing of the pump housing of small-sized sliding vane air pump cast iron, no radiating structure, heat dispersion is poor, and weight is bigger, slide plate and air pump intracoelomic cavity serious wear, air pump is short working life.Because the pump housing does not have radiating structure, the work temperature rise ratio is higher, causes the impeller body and the pump housing to burn to death easily, and impeller can't be rotated, and has a strong impact on the air pump proper functioning.
Summary of the invention
The purpose of this utility model is to provide a kind of miniature sliding vane air pump at above-mentioned deficiency, the air pump housing adopts aluminum alloy, and interior setting-in cylinder sleeve is in light weight, air pump housing, air pump end cap, motor housing are provided with radiating fin, the integral heat sink performance is good, is provided with the oil-free lubrication pad in the cylinder block both sides simultaneously, can carry out oil-free lubrication, reduce the wearing and tearing of impeller and slide plate, prolonged the working life of air pump, slide plate, cylinder sleeve reduce maintenance cost in case the wearing and tearing back is changed easily.
Miniature sliding vane air pump takes following scheme to realize: miniature sliding vane air pump structure comprises motor housing, motor stator, rotor, motor shaft, electric motor end cap, air pump housing, cylinder sleeve, air pump impeller, slide plate, oil-free lubrication pad, air pump end cap.Motor stator is contained in the motor housing.Motor housing adopts aluminum alloy casing.Motor housing is provided with radiating fin.Rotor is assemblied on the motor shaft, electric motor end cap is contained in motor housing one end, rotor is assemblied in the motor stator endoporus, motor shaft is contained on motor housing and the electric motor end cap by bearing, the air pump housing is contained in the electric motor end cap outside, the air pump end cap is contained in the air pump hull outside, air pump housing, air pump end cap by screw on electric motor end cap.Cylinder sleeve is contained in the air pump housing, the air pump impeller is contained in the cylinder sleeve, and be fixed on the motor shaft, the air pump impeller is provided with several vane slots, slide plate is housed in vane slot, slide plate slides at inboard wall of cylinder liner, is provided with the oil-free lubrication pad in air pump impeller both sides, respectively by screw on electric motor end cap, air pump end cap.Sealing gasket is equipped with in the bearing outside of electric motor end cap, and bearing, sealing gasket are housed between air pump end cap and motor shaft, and air pump housing, air pump end cap are provided with radiating fin.Cylinder sleeve mounting center and air pump impeller mounting center have throw of eccentric.Air pump housing and cylinder sleeve are provided with suction port, air outlet.
Working principle: when miniature sliding vane air pump is worked, the rotation of driven by motor impeller, under centrifugal action, slide plate slides along inboard wall of cylinder liner, utilize eccentric slot generation spatial variations between cylinder sleeve and the air pump impeller, the gas that enters the air pump cylinder sleeve from suction port is discharged from the air outlet through the slide plate compression of high speed rotating, thus reach take out, the purpose of row, pressurized gas.
Miniature sliding vane air pump is reasonable in design, and compact structure is because the air pump housing adopts aluminum alloy, in be embedded with cylinder sleeve, volume is little, and is in light weight, air pump housing, air pump end cap, motor housing are provided with radiating fin, the integral heat sink performance is good, is provided with the oil-free lubrication pad in air pump impeller both sides simultaneously, can carry out oil-free lubrication, reduce the wearing and tearing of impeller and slide plate, prolonged the working life of air pump, slide plate, cylinder sleeve can reduce maintenance cost in case the wearing and tearing back is changed easily.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is miniature sliding vane air pump structural representation.
Fig. 2 is the air pump housing schematic representation of miniature sliding vane air pump.
Fig. 3 is the air pump end cap schematic representation of miniature sliding vane air pump.
Embodiment
With reference to accompanying drawing 1～3, miniature sliding vane air pump structure comprises motor housing 1, motor stator 4, rotor 5, motor shaft 6, electric motor end cap 7, air pump housing 12, cylinder sleeve 13, air pump impeller 14, slide plate 21, oil- free lubrication pad 11,15, air pump end cap 17.Motor stator 4 is contained in the motor housing 1.Motor housing 1 adopts aluminum alloy casing.Motor housing 1 is provided with radiating fin 2.Rotor 5 is assemblied on the motor shaft 6, electric motor end cap 7 is contained in motor housing 1 one ends, rotor 5 is assemblied in motor stator 4 endoporus, motor shaft 6 is contained on motor housing 1 and the electric motor end cap 7 by bearing 3,8, air pump housing 12 is contained in electric motor end cap 7 outsides, air pump end cap 7 is contained in air pump housing 12 outsides, and air pump housing 12, air pump end cap 17 are fixed on the electric motor end cap 7 by screw 22.Cylinder sleeve 13 is contained in the air pump housing 12, air pump impeller 14 is contained in the cylinder sleeve 13, and be fixed on the motor shaft 6, air pump impeller 14 is provided with several vane slots, slide plate 21 is housed in vane slot, and slide plate 21 slides at cylinder sleeve 13 inwalls, is provided with oil- free lubrication pad 11,15 in air pump impeller 14 both sides, oil-free lubrication pad 11 is fixed on the electric motor end cap by screw 10, and oil-free lubrication pad 15 is fixed on the air pump end cap 17 by screw 16.Oil-free lubrication pad 11, the 15 tampon sheet of can quarrying.Slide plate 21 can adopt the oil-free lubrication sheet.Sealing gasket 9 is equipped with in bearing 8 outsides of electric motor end cap 7, and bearing 18, sealing gasket 19 are housed between air pump end cap 17 and motor shaft 6.On air pump housing 12, air pump end cap 17, be respectively arranged with radiating fin 23,20.Cylinder sleeve 13 mounting center and air pump impeller 14 mounting center have throw of eccentric 2～4mm.Air pump housing 12 is provided with suction port 24, air outlet 25 with cylinder sleeve 13.Cylinder sleeve 14 can adopt the spheroidal graphite cast iron cylinder sleeve.
Claims (7)
1. a miniature sliding vane air pump is characterized in that structure comprises motor housing, motor stator, rotor, motor shaft, electric motor end cap, air pump housing, cylinder sleeve, air pump impeller, slide plate, oil-free lubrication pad, air pump end cap; Motor stator is contained in the motor housing, rotor is assemblied on the motor shaft, electric motor end cap is contained in motor housing one end, rotor is assemblied in the motor stator endoporus, motor shaft is contained on motor housing and the electric motor end cap by bearing, the air pump housing is contained in the electric motor end cap outside, the air pump end cap is contained in the air pump hull outside, and cylinder sleeve is contained in the air pump housing, and the air pump impeller is contained in the cylinder sleeve, and be fixed on the motor shaft, the air pump impeller is provided with several vane slots, and slide plate is housed in vane slot, and slide plate slides at inboard wall of cylinder liner, be provided with the oil-free lubrication pad in air pump impeller both sides, air pump housing and cylinder sleeve are provided with suction port, the air outlet.
2. miniature sliding vane air pump according to claim 1 is characterized in that motor housing adopts aluminum alloy casing, and motor housing is provided with radiating fin.
3. miniature sliding vane air pump according to claim 1, it is characterized in that air pump housing, air pump end cap by screw on electric motor end cap.
4. miniature sliding vane air pump according to claim 1 is characterized in that air pump impeller both sides are provided with the oil-free lubrication pad, respectively by screw on electric motor end cap, air pump end cap.
5. miniature sliding vane air pump according to claim 1 is characterized in that sealing gasket is equipped with in the bearing outside of electric motor end cap, and bearing, sealing gasket are housed between air pump end cap and motor shaft.
6. miniature sliding vane air pump according to claim 1 is characterized in that air pump housing, air pump end cap are provided with radiating fin.
7. miniature sliding vane air pump according to claim 1 is characterized in that cylinder sleeve mounting center and air pump impeller mounting center have throw of eccentric 2～4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200375703U CN201034078Y (en) | 2007-05-21 | 2007-05-21 | Minitype wiper type air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200375703U CN201034078Y (en) | 2007-05-21 | 2007-05-21 | Minitype wiper type air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034078Y true CN201034078Y (en) | 2008-03-12 |
Family
ID=39194969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200375703U Expired - Fee Related CN201034078Y (en) | 2007-05-21 | 2007-05-21 | Minitype wiper type air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034078Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967779A (en) * | 2014-05-12 | 2014-08-06 | 深圳市颜华守信科技有限公司 | Rotary micro pump |
-
2007
- 2007-05-21 CN CNU2007200375703U patent/CN201034078Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967779A (en) * | 2014-05-12 | 2014-08-06 | 深圳市颜华守信科技有限公司 | Rotary micro pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20100521 |