CN203394770U - Magnetic drive pump - Google Patents
Magnetic drive pump Download PDFInfo
- Publication number
- CN203394770U CN203394770U CN201320402513.6U CN201320402513U CN203394770U CN 203394770 U CN203394770 U CN 203394770U CN 201320402513 U CN201320402513 U CN 201320402513U CN 203394770 U CN203394770 U CN 203394770U
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- CN
- China
- Prior art keywords
- tapered roller
- roller bearing
- magnetic drive
- drive pump
- magnet rotor
- 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 - Lifetime
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Abstract
The utility model provides a magnetic drive pump, which comprises a drive shaft, an inner magnet rotor, an outer magnet rotor and a ceramic tapered roller bearing. The inner magnet rotor is fixedly installed on the drive shaft and is simultaneously stopped in the axial and radial directions of the drive shaft. The ceramic tapered roller bearing is installed on the outer circumferential surface of the drive shaft and is axially stopped on the drive shaft. The magnetic drive pump has the advantages that since the ceramic tapered roller bearing is used for replacing a sliding bearing, the bearing can be enabled to bear larger axial and radial loads and the service life of the bearing is greatly improved; since the ceramic tapered roller bearing is a standard part, the standardized, series and mass production can be realized and the maintenance cost of the magnetic drive pump is reduced. The magnetic drive pump can be widely applied to fields of petrochemical industry, medicines, food and beverage, can be used for delivering all kinds of acid, alkali, salt and toxic and harmful corrosive mediums, and has the characteristics of no leakage, long service life, environmental friendliness and the like.
Description
Technical field
The utility model relates to a kind of magnetic drive pump, is specifically related to a kind of magnetic drive pump that ceramic tapered roller bearing is housed.
Background technique
Since magnetic drive pump is since China starts development, obtained develop rapidly.Magnetic drive pump is a kind of cooperation with interior magnet rotor by outer magnet rotor by magnetic force to drive interior magnet rotor to move, and interior magnet rotor drives transmission shaft to rotate, and makes a kind of pump of the vane rotor rotation work on pump housing intermediate solid drive shaft.Magnetic drive pump is provided with metal shielding can and forms Seal cage between interior magnet rotor and outer magnet rotor, and transmission shaft and interior magnet rotor are enclosed in Seal cage, and the liquid medium of pump pound is separated with power end completely, has realized complete in leakage.Therefore be widely used in the fields such as chemical industry, metallurgy, machinery, environmental protection, be used for transmitting corrosivity, toxicity, explosion hazard, radioactivity and precious liquid.
Prior art overwhelming majority magnetic drive pump is used sliding supported condition transmission shaft.When magnetic drive pump, carrying liquid has in the situation of disappearance or cutout, will produce " no load running ", and " no load running " can be at short notice because " dry grinding " of rotating mechanism produces very high temperature, at this moment, the very easy damage of magnetic drive pump; Secondly, sliding bearing all need to be used grease lubrication, this kind of lubricating system can allow sliding bearing in hot operation state, reduce working life for a long time, even make bearing locate failure, further increase the probability that magnetic drive pump damages, for 24 hours continuous applying working conditions of needs, the average out to 8 months in working life of above-mentioned magnetic drive pump, but it is annual that the overhaul phase that the industries such as chemical industry, oil, printing and dyeing, medicine, food, plating are general arranges, and obviously, this structure is dissatisfactory; In addition, the sliding bearing in magnetic drive pump is in running, and its thrust disc carrying is larger, easily be damaged, although small part magnetic drive pump has been used ball bearing or roller bearing supporting drive shaft instead, such structure also can not be born larger thrust load.
Model utility content
The purpose of this utility model is to provide a kind of footpath, the axial magnetic drive pump of large, the long service life of connected load for addressing the above problem.
The utility model solves the problems of the technologies described above adopted scheme:
A kind of magnetic drive pump, comprise transmission shaft, interior magnet rotor, outer magnet rotor, ceramic tapered roller bearing, described interior magnet rotor is fixedly mounted on transmission shaft, be stopped at simultaneously transmission shaft axially and radially, on described transmission shaft outer peripheral surface, ceramic tapered roller bearing is housed, described ceramic tapered roller bearing axial retention is in transmission shaft.
Further, described ceramic tapered roller bearing comprises outer collar, inside race, retainer and ceramic tapered roller, described ceramic tapered roller is installed between outer collar and inside race by retainer, on the madial wall of described outer collar and inside race, is equipped with raceway.
Further, described ceramic tapered roller bearing is single-row ceramic tapered roller bearing, and it is fixedly installed in two side positions of interior magnet rotor in pairs.
Further, described ceramic tapered roller bearing is biserial pottery tapered roller bearing, and it is fixedly installed in separately a side position of interior magnet rotor.
Further, described ceramic tapered roller bearing and transmission shaft are interference fit, or transition fit, or Spielpassung.
Further, when described ceramic tapered roller bearing is biserial pottery tapered roller bearing, the relatively described outer collar radial symmetric of the ceramic tapered roller of two row arranges, and described ceramic tapered roller axially with between described outer collar axial has angle.
Further, described ceramic tapered roller adopts following material to make: silicon nitride, zirconium oxide, silicon carbide, aluminium oxide or match dragon.
Further, described outer collar and inside race adopt metal or stupalith to make.
Further, described retainer adopts following material to make: stainless steel, polyether-ether-ketone, perfluoro alkoxy, teflon or polyphenylene sulfide.
Further, described silicon nitride is hot pressed sintering silicon nitride or HIP sintering silicon nitride.
The beneficial effects of the utility model are: 1) in magnetic drive pump of the present utility model, with ceramic tapered roller bearing, substituting sliding bearing can make bearing bear larger axle, radial load, can improve anti-dry running ability and the anti-ablation ability of pump, greatly improved the working life of bearing, simultaneously, the impact of liquid stream to bearing in the time of effectively resisting pump startup, the stability of raising pump bearing system; 2), in magnetic drive pump of the present utility model, ceramic tapered roller bearing is a standard piece structure, can standardization, seriation, production in enormous quantities, reduced the maintenance cost of magnetic drive pump.
The utility model can be widely used in: petrochemical industry, medicine, food, field of beverage, for various acid, alkali, salt, the conveying of poisonous, harmful Korrosionsmedium, has without features such as leakage, long-life, environmental protections.
Accompanying drawing explanation
Fig. 1 is the magnetic drive pump schematic diagram that single-row ceramic tapered roller bearing is housed.
Fig. 2 is the magnetic drive pump schematic diagram that biserial pottery angular contact thrust ball bearing is housed.
Wherein:
1. pump head, 2. impeller, 3. adjusting sleeve, 4. fore bearing protecting jacket,
5. anti-rotation pin, 6. bearing locating support, 7. transition connecting disc, 8. pump head support,
9. interior magnet rotor, 10. positioning key, 11. transmission shafts, 12. rear bearing protecting jackets,
13. outer magnet rotors, 14. metal shielding cans, 15. outer collar, 16. inside races,
17. retainers, 18. ceramic tapered rollers, 19. sealing gaskets, 20. Cock screws,
21. adjusting nuts, 22. gib head keys.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further, but this is not to restriction of the present utility model, those skilled in the art are according to basic thought of the present utility model, can make various modifications or improvement, but only otherwise depart from basic thought of the present utility model, all within scope of the present utility model.
Embodiment 1:
As shown in Figure 1, the magnetic drive pump that the utility model is equipped with single-row ceramic tapered roller bearing comprises transmission shaft 11, interior magnet rotor 9, outer magnet rotor 13, pump head 1, impeller 2, adjusting sleeve 3, fore bearing protecting jacket 4, anti-rotation pin 5, bearing locating support 6, transition connecting disc 7, pump head support 8, positioning key 10, rear bearing protecting jacket 12, metal shielding can 14 and single-row ceramic tapered roller bearing; Single-row ceramic tapered roller bearing is comprised of outer collar 15, inside race 16, retainer 17 and ceramic tapered roller 18; On the madial wall of outer collar 15 and inside race 16, be equipped with raceway, ceramic tapered roller 18 is installed between outer collar 15 and inside race 16 by retainer 17; The material that described outer collar 15, inside race 16 and ceramic tapered roller 18 are selected is zirconium oxide (Zr
2o), also can be selected from silicon nitride (Si
3n
4), silicon carbide (SiC), aluminium oxide (99.5%) or match dragon (Sialon), wherein, silicon nitride is hot pressed sintering silicon nitride and HIP sintering silicon nitride; The material that retainer 17 is selected is stainless steel, also optional from polyether-ether-ketone (PEEK), polyphenylene sulfide, perfluoro alkoxy (PFA) or polytetrafluoroethylene (PTFE); Interior magnet rotor 9 is fixedly mounted on transmission shaft 11 by positioning key 10, be stopped at simultaneously transmission shaft 11 axially and radially; Single-row ceramic tapered roller bearing is arranged on transmission shaft 11 by bearing locating support 6, fore bearing protecting jacket 4 and rear bearing protecting jacket 12, and be stopped at the axial of transmission shaft 11, meanwhile, single-row ceramic tapered roller bearing is symmetrically distributed in interior magnet rotor 9 both sides; Between interior magnet rotor 9 and outer magnet rotor 13, be also provided with a metal shielding can 14; Rear bearing protecting jacket 12 is contained in intermetallic in cover 14, and is furnished with anti-rotation pin 5 and prevents its rotation; Adjusting sleeve 3 is outer to be wrapped on fore bearing protecting jacket 4; Impeller 2 is arranged on transmission shaft 11 one end in pump head 1; Pump head 1 is connected with pump head support 8 by transition connecting disc 7; Outer magnet rotor 13 is in pump head support 8, and meanwhile, outer magnet rotor 13 is no more than 0.02mm with interior magnet rotor 9 Concentricity tolerances.
Embodiment 2:
As shown in Figure 1, magnetic drive pump comprises transmission shaft 11, interior magnet rotor 9, outer magnet rotor 13, pump head 1, impeller 2, adjusting sleeve 3, fore bearing protecting jacket 4, anti-rotation pin 5, bearing locating support 6, transition connecting disc 7, pump head support 8, positioning key 10, rear bearing protecting jacket 12, metal shielding can 14 and single-row ceramic tapered roller bearing; Single-row ceramic tapered roller bearing is comprised of outer collar 15, inside race 16, retainer 17 and ceramic tapered roller 18; On the madial wall of outer collar 15 and inside race 16, be equipped with raceway, ceramic tapered roller 18 is installed between outer collar 15 and inside race 16 by retainer 17; Described single-row ceramic tapered roller bearing is hybrid ceramic tapered roller bearing, and outer collar 15 and inside race 16 are metal material, and the material that described ceramic tapered roller 18 is selected is hot pressed sintering silicon nitride, also can be selected from zirconium oxide (Zr
2o), silicon carbide (SiC), aluminium oxide (99.5%) or match dragon (Sialon); The material that retainer 17 is selected is polyether-ether-ketone (PEEK), polyphenylene sulfide, also can be selected from stainless steel, perfluoro alkoxy (PFA) or polytetrafluoroethylene (PTFE); Interior magnet rotor 9 is fixedly mounted on transmission shaft 11 by positioning key 10, be stopped at simultaneously transmission shaft 11 axially and radially; Single-row ceramic tapered roller bearing is arranged on transmission shaft 11 by bearing locating support 6, fore bearing protecting jacket 4 and rear bearing protecting jacket 12, and be stopped at the axial of transmission shaft 11, meanwhile, single-row ceramic tapered roller bearing is symmetrically distributed in interior magnet rotor 9 both sides; Between interior magnet rotor 9 and outer magnet rotor 13, be also provided with a metal shielding can 14; Rear bearing protecting jacket 12 turns at intermetallic in cover 14, and is furnished with anti-rotation pin 5 and prevents its rotation; Adjusting sleeve 3 is outer to be wrapped on fore bearing protecting jacket 4; Impeller 2 is arranged on transmission shaft 11 one end in pump head 1; Pump head 1 is connected with pump head support 8 by transition connecting disc 7; Outer magnet rotor 13 is in pump head support 8, and meanwhile, outer magnet rotor 13 is no more than 0.02mm with interior magnet rotor 9 Concentricity tolerances.
Embodiment 3:
As shown in Figure 2, magnetic drive pump comprises transmission shaft 11, interior magnet rotor 9, outer magnet rotor 13, pump head 1, impeller 2, adjusting nut 21, anti-rotation pin 5, bearing locating support 6, transition connecting disc 7, pump head support 8, positioning key 10, sealing gasket 19, Cock screw 20, gib head key 22, metal shielding can 14 and biserial pottery tapered roller bearing; Biserial pottery tapered roller bearing is comprised of outer collar 15, inside race 16, retainer 17 and ceramic tapered roller 18; Pottery tapered roller 18 is installed between outer collar 15 and inside race 16 by retainer 17, on the madial wall of outer collar 15 and inside race 16, be equipped with raceway, two row ceramic tapered roller relative outer collar 15 radial symmetric settings, and it axially with between outer collar 15 axial has angle.The material that described outer collar 15, inside race 16 and ceramic tapered roller 18 are selected is HIP sintering silicon nitride, also can be selected from zirconium oxide (Zr
2o), silicon carbide (SiC), aluminium oxide (99.5%) or match dragon (Sialon); The material that retainer 17 is selected is perfluoro alkoxy (PFA), also optional from polyether-ether-ketone (PEEK), polyphenylene sulfide, stainless steel or polytetrafluoroethylene (PTFE); Interior magnet rotor 9 is fixedly mounted on transmission shaft 11 by positioning key 10, be stopped at simultaneously transmission shaft 11 axially and radially; Biserial pottery tapered roller bearing is arranged on transmission shaft 11 by bearing locating support 6, gib head key 22, adjusting nut 21 and Cock screw 20, and be stopped at the axial of transmission shaft 11, meanwhile, biserial pottery tapered roller bearing is between interior magnet rotor 9 and impeller 2; Impeller 2 is arranged on transmission shaft 11 one end in pump head 1; Pump head 1 is connected with pump head support 8 by transition connecting disc 7; Outer magnet rotor 13, in pump head support 8, is also provided with a metal shielding can 14 outside between magnet rotor 13 and interior magnet rotor 9; Meanwhile, outer magnet rotor 13 is no more than 0.02mm with interior magnet rotor 9 Concentricity tolerances.
Embodiment 4:
As shown in Figure 2, magnetic drive pump comprises transmission shaft 11, interior magnet rotor 9, outer magnet rotor 13, pump head 1, impeller 2, adjusting nut 21, anti-rotation pin 5, bearing locating support 6, transition connecting disc 7, pump head support 8, positioning key 10, sealing gasket 19, Cock screw 20, gib head key 22, metal shielding can 14 and biserial pottery tapered roller bearing; Biserial pottery tapered roller bearing is comprised of outer collar 15, inside race 16, retainer 17 and ceramic tapered roller 18; Pottery tapered roller 18 is installed between outer collar 15 and inside race 16 by retainer 17, on the madial wall of outer collar 15 and inside race 16, be equipped with raceway, two row ceramic tapered roller relative outer collar 15 radial symmetric settings, and it axially with between outer collar 15 axial has angle.Described biserial pottery tapered roller bearing is hybrid ceramic tapered roller bearing, and outer collar 15 and inside race 16 are metal material, and the material that described ceramic tapered roller 18 is selected is zirconium oxide (Zr
2o), also can be selected from silicon nitride (Si
3n
4), silicon carbide (SiC), aluminium oxide (99.5%) or match dragon (Sialon), wherein, silicon nitride is hot pressed sintering silicon nitride and HIP sintering silicon nitride; The material that retainer 17 is selected is polytetrafluoroethylene (PTFE), also optional from polyether-ether-ketone (PEEK), polyphenylene sulfide, perfluoro alkoxy (PFA) or stainless steel; Interior magnet rotor 9 is fixedly mounted on transmission shaft 11 by positioning key 10, be stopped at simultaneously transmission shaft 11 axially and radially; Biserial pottery tapered roller bearing is arranged on transmission shaft 11 by bearing locating support 6, gib head key 22, adjusting nut 21 and Cock screw 20, and be stopped at the axial of transmission shaft 11, meanwhile, biserial pottery tapered roller bearing is between interior magnet rotor 9 and impeller 2; Impeller 2 is arranged on transmission shaft 11 one end in pump head 1; Pump head 1 is connected with pump head support 8 by transition connecting disc 7; Outer magnet rotor 13, in pump head support 8, is also provided with a metal shielding can 14 outside between magnet rotor 13 and interior magnet rotor 9; Meanwhile, outer magnet rotor 13 is no more than 0.02mm with interior magnet rotor 9 Concentricity tolerances.
During the utility model running, outer magnet rotor is rotated by external drive, and in driving by magnetic force, magnet rotor rotation and then drive transmission shaft rotate, and then impeller is rotated.Pottery tapered roller bearing therein more steadily, effectively, the rotation of supporting drive shaft enduringly.
Claims (10)
1. a magnetic drive pump, it is characterized in that, comprise transmission shaft, interior magnet rotor, outer magnet rotor, ceramic tapered roller bearing, described interior magnet rotor is fixedly mounted on transmission shaft, be stopped at simultaneously transmission shaft axially and radially, on described transmission shaft outer peripheral surface, ceramic tapered roller bearing is housed, described ceramic tapered roller bearing axial retention is in transmission shaft.
2. magnetic drive pump as claimed in claim 1, it is characterized in that, described ceramic tapered roller bearing comprises outer collar, inside race, retainer and ceramic tapered roller, described ceramic tapered roller is installed between outer collar and inside race by retainer, on the madial wall of described outer collar and inside race, is equipped with raceway.
3. magnetic drive pump as claimed in claim 2, is characterized in that, described ceramic tapered roller bearing is single-row ceramic tapered roller bearing, and it is fixedly installed in two side positions of interior magnet rotor in pairs.
4. magnetic drive pump as claimed in claim 2, is characterized in that, described ceramic tapered roller bearing is biserial pottery tapered roller bearing, and it is fixedly installed in separately a side position of interior magnet rotor.
5. magnetic drive pump as claimed in claim 1, is characterized in that, described ceramic tapered roller bearing and transmission shaft are interference fit, or transition fit, or Spielpassung.
6. magnetic drive pump as claimed in claim 4, is characterized in that, in described biserial pottery tapered roller bearing, the relatively described outer collar radial symmetric of the ceramic tapered roller of two row arranges, and described ceramic tapered roller axially with between described outer collar axial has angle.
7. magnetic drive pump as claimed in claim 2, is characterized in that, described ceramic tapered roller adopts following material to make: silicon nitride, zirconium oxide, silicon carbide, aluminium oxide or match dragon.
8. magnetic drive pump as claimed in claim 2, is characterized in that, described outer collar and inside race adopt metal or stupalith to make.
9. magnetic drive pump as claimed in claim 2, is characterized in that, described retainer adopts following material to make: stainless steel, polyether-ether-ketone, perfluoro alkoxy, teflon or polyphenylene sulfide.
10. magnetic drive pump as claimed in claim 7, is characterized in that, described silicon nitride is hot pressed sintering silicon nitride or HIP sintering silicon nitride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320402513.6U CN203394770U (en) | 2013-07-08 | 2013-07-08 | Magnetic drive pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320402513.6U CN203394770U (en) | 2013-07-08 | 2013-07-08 | Magnetic drive pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203394770U true CN203394770U (en) | 2014-01-15 |
Family
ID=49906305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320402513.6U Expired - Lifetime CN203394770U (en) | 2013-07-08 | 2013-07-08 | Magnetic drive pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203394770U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286317A (en) * | 2015-05-28 | 2017-01-04 | 昆山江津长抗干磨磁力泵有限公司 | A kind of magnetic drive pump of full slip transmission |
| CN106337819A (en) * | 2015-07-13 | 2017-01-18 | 昆山江津长抗干磨磁力泵有限公司 | Structure-improved magnetic pump |
| WO2017008738A1 (en) * | 2015-07-13 | 2017-01-19 | 昆山江津长抗干磨磁力泵有限公司 | Structurally improved magnetic drive pump |
-
2013
- 2013-07-08 CN CN201320402513.6U patent/CN203394770U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286317A (en) * | 2015-05-28 | 2017-01-04 | 昆山江津长抗干磨磁力泵有限公司 | A kind of magnetic drive pump of full slip transmission |
| CN106337819A (en) * | 2015-07-13 | 2017-01-18 | 昆山江津长抗干磨磁力泵有限公司 | Structure-improved magnetic pump |
| WO2017008738A1 (en) * | 2015-07-13 | 2017-01-19 | 昆山江津长抗干磨磁力泵有限公司 | Structurally improved magnetic drive pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190823 Address after: 102611 East Side of Wei Shanzhuang Criminal Police Force, A38 Banbidian, Weishanzhuang Town, Daxing District, Beijing Patentee after: BEIJING ZHONGXING SHIQIANG CERAMIC BEARING Co.,Ltd. Address before: Room 506, No. 4 Building, No. 2 Courtyard, Malian Road, Xuanwu District, Beijing 100055 Patentee before: Wang Kuijiu |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |