CN207687038U - A kind of bearing holder (housing, cover) for magnetic force driving pump - Google Patents
A kind of bearing holder (housing, cover) for magnetic force driving pump Download PDFInfo
- Publication number
- CN207687038U CN207687038U CN201721820590.8U CN201721820590U CN207687038U CN 207687038 U CN207687038 U CN 207687038U CN 201721820590 U CN201721820590 U CN 201721820590U CN 207687038 U CN207687038 U CN 207687038U
- Authority
- CN
- China
- Prior art keywords
- notch
- groove
- bearing sleeve
- drive pump
- 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
Links
- 239000011888 foil Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 description 27
- 239000000758 substrate Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses a kind of bearing holder (housing, cover)s for magnetic force driving pump, it includes having the body of first thickness and for contacting the elastic parts that bearing bears a heavy burden described in simultaneously support, wherein, the elastic parts is located at pars intramuralis in the body, also, the fixed part of the fixed elastic parts is provided on the body inner wall.The utility model is by being arranged elastic parts, in magnetic force driving pump operational process, axis cuts down the active force of bearing holder (housing, cover) by elastic parts, separation sleeve is easily deformed when efficiently solving the pump long time running of the prior art even scrapes phenomena such as putting on the skin and rupture and leakage, pumping dry operating with outer steel generation.
Description
Technical Field
The utility model belongs to the technical field of magnetic drive pump technique and specifically relates to a bearing housing for magnetic drive pump.
Background
In the prior art, two ends of a pump shaft of a traditional magnetic pump are generally fixed on a pump body and an isolating sleeve through bearing sleeves, and the isolating sleeve is generally designed into a thin-wall type as far as possible due to the fact that magnetic force transmits torque, so that the isolating sleeve is easy to deform and even generates scraping with external magnetic steel to break and leak when the pump runs for a long time; two ends of the pump shaft are fastened by threads; the design of the circulating lubrication of the sliding bearing pair is simple, air even exists in the isolation sleeve before the pump operates and after the pump is filled with liquid, so that the dry operation phenomenon of the pump is caused, and partial corrosive media even exist in some isolation sleeves when the pump is maintained; the bearing sleeve is generally made of carbon graphite material, and the pump shaft directly rubs with the bearing sleeve; the moving and static rings are made of carbon graphite and ceramic materials which are easy to wear and break; when the isolation sleeve is operated under severe working conditions, the medium leaks after the isolation sleeve is deformed and broken, thereby causing accidents.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides a bearing housing for magnetic drive pump.
In order to solve the technical problem, the utility model adopts the following basic concept:
a bearing sleeve for a magnetic drive pump comprises a sleeve body with a first thickness and an elastic component for contacting and bearing a load of a shaft, wherein the elastic component is positioned inside the inner wall of the sleeve body,
the inner wall of the sleeve body is provided with a fixing part for fixing the elastic component.
Furthermore, the elastic component is a foil component, the fixing part is a groove formed in the inner wall of the sleeve body, and the foil component is coiled on the inner wall of the sleeve body and fixed in the groove.
Further, the foil assembly comprises a start and a finish, and the start and finish are fixed within the groove.
Further, the groove is arranged in the axial direction of the bearing sleeve, and at least one axial end portion of the groove is provided with a start notch and a tail notch for fixing the start and the tail, the start notch, the tail notch and the groove are communicated, and the start notch and the tail notch are located at both sides of the groove.
Furthermore, the width of the starting end notch is smaller than that of the tail end notch, the starting end of the foil assembly is bent and then inserted into the starting end notch for fixing, the tail end of the foil assembly is inserted into the tail end notch, and the width of the tail end notch is larger than that of the tail end of the foil assembly.
Further, the foil assembly terminates in a tab having a width.
Furthermore, both ends of the groove are provided with a starting end notch and a tail end notch, and,
the foil assembly comprises two foils with initial ends and tail ends, and the initial ends and the tail ends of the foils are respectively positioned at two ends of the groove.
Further, the resilient member defines a cavity having a drive pump shaft with a diameter slightly smaller than the shaft.
Further, the beginning and the end are flexible ends.
Further, two end parts of the bearing sleeve are also provided with O-shaped grooves, and sealing elements are arranged in the O-shaped grooves.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:
the utility model discloses a set up elastic component, at magnetic drive pump operation in-process, the effort of axle to the bearing housing has obtained subducing through elastic component, and the spacer sleeve is out of shape easily when effectively having solved the long-time operation of prior art's pump and produces with the outer magnet even and scrape and put on the skin and break and leak, phenomenon such as pump dry run.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a partial cross-sectional view of fig. 1A-a.
Detailed Description
The embodiment of the invention discloses a bearing sleeve for a magnetic force driven pump, which comprises a sleeve body 1 with a first thickness and an elastic component for contacting and bearing the load of a bearing, wherein the elastic component is positioned inside the inner wall of the sleeve body 1, and a fixing part for fixing the elastic component is arranged on the inner wall of the sleeve body.
Above-mentioned embodiment is through setting up elastic component, and at magnetic drive pump operation in-process, the effort of axle to the bearing housing has obtained subducing through elastic component, and the easy deformation of spacer sleeve even produces with the external magnet and scrapes and wear and break leakage, phenomenon such as dry operation of pump when effectively having solved prior art's pump long-time operation.
In a preferred embodiment of the present invention, as shown in fig. 1 and fig. 2, the elastic component is a foil component, the fixing portion is a groove 2 formed on the inner wall of the sheath, and the foil component is wound on the inner wall of the sheath and fixed in the groove. The foil assembly comprises a start and a finish, and the start and finish are fixed in the groove. The groove is arranged along the axial direction of the bearing sleeve, at least one axial end part of the groove is provided with a starting notch 5 and a tail notch 4 which are used for fixing the starting end and the tail end, the starting notch 5, the tail notch 4 and the groove 2 are communicated, and the starting notch and the tail notch are respectively positioned at two sides of the groove. The width of the starting end notch is smaller than that of the tail end notch, the starting end of the foil assembly is bent and then inserted into the starting end notch for fixing, the tail end of the foil assembly is inserted into the tail end notch, and the width of the tail end notch is larger than that of the tail end of the foil assembly. The foil assembly terminates in a tab having a width.
Preferably, the middle part of the foil is fixed in the groove after being bent, and a plurality of bent foils are fixed in the groove at equal intervals. And lubricating oil is filled in the grooves, so that the friction between the foils and the shaft is further reduced, the abrasion is reduced, and the service life is prolonged.
In a further preferred embodiment of the invention, both ends of the groove are provided with a start notch and an end notch, and the foil assembly comprises two foils having a start and an end, each of the start and the end of the foils being located at both ends of the groove, respectively. The elastic member forms a cavity with a drive pump shaft 3 having a diameter slightly smaller than the shaft. Further preferably, the beginning and the end are flexible ends. And O-shaped grooves are also formed at two end parts of the bearing sleeve, and sealing elements are arranged in the O-shaped grooves.
The bearing sleeve of the utility model is used for a special magnetic drive pump with secondary isolation for chemical industry, which comprises a pump body, a pump cover, a pump shaft, an external magnetic rotor, an internal magnetic rotor, a primary isolation sleeve, a secondary isolation sleeve and a motor, wherein the pump cover covers the pump body to form an inner cavity, the pump shaft is fixed in the inner cavity through the bearing sleeve, the internal magnetic rotor, the primary isolation sleeve, the secondary isolation sleeve and the external magnetic rotor are sequentially arranged, and the external magnetic rotor is connected with the motor; and a lining ring is arranged between the primary isolation sleeve and the secondary isolation sleeve, so that an isolation chamber is formed among the primary isolation sleeve, the secondary isolation sleeve and the lining ring.
Preferably, the primary isolation sleeve and the secondary isolation sleeve have the same structure and both comprise an isolation sleeve substrate and a ceramic film layer coated on the isolation sleeve substrate. Or,
the secondary isolation sleeve comprises an isolation sleeve substrate and a ceramic film layer coated on the isolation sleeve substrate; the primary isolation sleeve comprises an isolation sleeve flange, an isolation sleeve thin-wall cylinder and an isolation sleeve bottom plate.
Further preferably, the heat-conducting device is arranged in the isolation chamber in the position close to the primary isolation sleeve. The heat conduction device is communicated with the electric heating mechanism.
The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only described in the preferred embodiments of the present invention, which are not limited to the concept and scope of the present invention, and various changes and modifications made by the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention all belong to the protection scope of the present invention.
Claims (10)
1. A bearing sleeve for a magnetic drive pump, comprising a sleeve body having a first thickness and an elastic member for contacting and supporting a load of a shaft, wherein the elastic member is located inside an inner wall of the sleeve body,
the inner wall of the sleeve body is provided with a fixing part for fixing the elastic component.
2. The bearing housing for a magnetically driven pump as claimed in claim 1, wherein the elastic member is a foil member, the fixing portion is a groove formed on an inner wall of the housing, and the foil member is wound on the inner wall of the housing and fixed in the groove.
3. A bearing sleeve for a magnetic drive pump according to claim 2, wherein the foil assembly comprises a start and a finish, and the start and finish are secured within the groove.
4. A bearing sleeve for a magnetic force driven pump according to claim 3, wherein said groove is arranged in an axial direction of said bearing sleeve, and a start notch and a finish notch for fixing said start and finish are provided at least one axial end portion of said groove, said start notch, said finish notch, said groove communicating, and said start notch and said finish notch are divided at both sides of said groove.
5. A bearing sleeve for a magnetic drive pump according to claim 4, wherein the width of the start notch is less than the width of the end notch, and the start of the foil assembly is bent and inserted into the start notch for fixing, and the end of the foil assembly is inserted into the end notch, and the width of the end notch is greater than the width of the end of the foil assembly.
6. A bearing sleeve for a magnetic drive pump according to claim 4, wherein the foil assembly terminates in a fin having a width.
7. A bearing sleeve for a magnetic drive pump according to claim 6, wherein both ends of the groove are provided with a start notch and a finish notch, and,
the foil assembly comprises two foils with initial ends and tail ends, and the initial ends and the tail ends of the foils are respectively positioned at two ends of the groove.
8. A bearing housing for a magnetic drive pump according to claim 1, wherein the resilient member defines a cavity having a drive pump shaft with a diameter slightly smaller than the shaft.
9. A bearing sleeve for a magnetic drive pump according to claim 3, wherein the start and end ends are flexible ends.
10. A bearing sleeve for a magnetic drive pump according to claim 1, wherein the bearing sleeve is further provided with O-grooves at both ends, and seals are disposed in the O-grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721820590.8U CN207687038U (en) | 2017-12-23 | 2017-12-23 | A kind of bearing holder (housing, cover) for magnetic force driving pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721820590.8U CN207687038U (en) | 2017-12-23 | 2017-12-23 | A kind of bearing holder (housing, cover) for magnetic force driving pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687038U true CN207687038U (en) | 2018-08-03 |
Family
ID=62995752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721820590.8U Expired - Fee Related CN207687038U (en) | 2017-12-23 | 2017-12-23 | A kind of bearing holder (housing, cover) for magnetic force driving pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687038U (en) |
-
2017
- 2017-12-23 CN CN201721820590.8U patent/CN207687038U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20181223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |