CN201687757U - Bearing structure for canned motor pump with few abrasion - Google Patents
Bearing structure for canned motor pump with few abrasion Download PDFInfo
- Publication number
- CN201687757U CN201687757U CN2010201503062U CN201020150306U CN201687757U CN 201687757 U CN201687757 U CN 201687757U CN 2010201503062 U CN2010201503062 U CN 2010201503062U CN 201020150306 U CN201020150306 U CN 201020150306U CN 201687757 U CN201687757 U CN 201687757U
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- China
- Prior art keywords
- spring
- rotating shaft
- ceramic jacket
- sleeve
- rotation shaft
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- Expired - Fee Related
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Abstract
A bearing structure for an improved canned motor pump is composed of a rotation shaft, a ceramic sleeve, a graphite shaft sleeve, springs and a compression sleeve. The ceramic sleeve is sleeved on the rotation shaft with step. A projected part of the ceramic sleeve extends into a groove of the step of rotation shaft. Two ends of the inner hole of the ceramic sleeve are respectively provided with two grooves. Each groove is respectively provided with a spring. The springs are respectively corresponding with the step of the rotation shaft and the compression sleeve sleeved on the rotation shaft. The compression shaft sleeve is compressed and fixed inwards. The graphite shaft sleeve is sleeved on the ceramic sleeve and is a static friction pair. The ceramic sleeve and the rotation shaft are a dynamic friction pair. The structure can greatly reduce the friction to the graphite thereby prolonging the service life of the canned motor pump. The structure well settles a matching problem between the ceramic sleeve and the metal rotation shaft with different expansion factors.
Description
Affiliated technical field:
The utility model relates to the bearing in pump technology field, particularly canned motorpump.
Background technique:
The sliding bearing that existing shield pump bearing mainly is made up of graphite bushing and hard metal rotating shaft, the pivoting friction of coarse hard metal surface and graphite causes the wearing and tearing of graphite easily, so will change rotating shaft in certain time limit and graphite is safeguarded.
Summary of the invention:
In order to overcome the problem of the existing easy loss of shield pump bearing, the utility model provides a kind of canned motorpump bearing structure of few wearing and tearing.
The technological scheme that its technical problem that solves the utility model adopts is:
This bearing is made up of rotating shaft, ceramic jacket, graphite bushing, spring, compress gasket, described ceramic jacket has been set in the step rotating shaft, the ceramic jacket bump puts in the groove of the step of rotating shaft, have two grooves at the two ends of ceramic jacket endoporus, place spring in the groove respectively, spring respectively corresponding rotating shaft step and be set in and compress the axle sleeve place in the rotating shaft, compress axle sleeve and inwardly be fixed again, graphite bushing is set on the ceramic jacket.
Further, ceramic jacket internal diameter and rotating shaft external diameter have certain clearance, and its intermediate gap is supported by the spring that compresses
Further again, graphite bushing is set in certain rolling gap on the ceramic jacket, and graphite bushing is static paying, and ceramic jacket is dynamically to pay together with rotating shaft.
Further again, spring is by the coiling of flat type spring thread institute, and spring is the O type around being placed on ceramic jacket endoporus two end slot places, and the diameter of spring is greater than the degree of depth of groove, the gap of two ends spring supporting revolving shaft and ceramic jacket after compressing the extruding of axle sleeve and rotating shaft step.
The beneficial effects of the utility model are: the external diameter surface of ceramic jacket can be processed as very smooth surface, and hardness high abrasion, friction factor is relative and the hard metal surface is very low, can significantly reduce the wearing and tearing to graphite, thereby improves the working life of canned motorpump.This structure has solved the matching problem of ceramic jacket with the different expansion coefficient of metal rotating shaft again well.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of this bearing
Embodiment:
As shown in Figure 1, this shield pump bearing is by rotating shaft 1, ceramic jacket 2, graphite bushing 3, spring 4, spring 5, compress axle sleeve 6, ceramic jacket bump 7, rotating shaft stepped recesses 8 is formed, described ceramic jacket 2 has been set in the step rotating shaft 1, and ceramic jacket bump 7 puts in rotating shaft stepped recesses 8 places of rotating shaft 1, making rotating shaft 1 can drive ceramic jacket 2 rotates together, be respectively equipped with two grooves at the two ends of ceramic jacket 2 endoporus, place spring 4 in the groove respectively, spring 5, the step place of spring 4 corresponding rotating shafts, spring 5 correspondences are set in and compress axle sleeve 6 places in the rotating shaft 1, compressing the extruding of finishing 5 pairs of ceramic jackets of spring 4 springs after axle sleeve 6 inwardly is fixed supports, graphite bushing 3 is set on the ceramic jacket 2, and both have certain rolling gap.
Claims (2)
1. improved canned motorpump bearing structure, by rotating shaft, ceramic jacket, graphite bushing, spring, compress axle sleeve and form, described ceramic jacket is set in and is provided with in the step rotating shaft, the ceramic jacket bump puts in the groove of rotating shaft step, have two grooves at the two ends of ceramic jacket endoporus, place spring in the groove respectively, spring respectively corresponding rotating shaft step and be set in and compress the axle sleeve place in the rotating shaft, compressing axle sleeve inwardly is fixed again, graphite bushing is set on the ceramic jacket, graphite bushing is that static friction is paid, and ceramic jacket is that dynamic friction is paid together with rotating shaft.
2. improved according to claim 1 canned motorpump bearing structure, it is characterized in that: spring is by the coiling of flat type spring thread institute, spring is the O type around being placed on ceramic jacket endoporus two end slot places, the diameter of spring is greater than the degree of depth of groove, the gap of two ends spring supporting revolving shaft and ceramic jacket after compressing the extruding of axle sleeve and rotating shaft step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201503062U CN201687757U (en) | 2010-03-20 | 2010-03-20 | Bearing structure for canned motor pump with few abrasion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201503062U CN201687757U (en) | 2010-03-20 | 2010-03-20 | Bearing structure for canned motor pump with few abrasion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201687757U true CN201687757U (en) | 2010-12-29 |
Family
ID=43376040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201503062U Expired - Fee Related CN201687757U (en) | 2010-03-20 | 2010-03-20 | Bearing structure for canned motor pump with few abrasion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201687757U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327501A (en) * | 2017-08-09 | 2017-11-07 | 哈尔滨电气动力装备有限公司 | Canned motor pump motor rotor axle journal tube-in-tube structure |
| CN109340249A (en) * | 2018-12-19 | 2019-02-15 | 成都富临精工电子电器科技有限公司 | A kind of graphite bearing structure applied to electronic water pump |
| CN114776507A (en) * | 2022-05-05 | 2022-07-22 | 江苏天鑫中冶环保设备有限公司 | But changes paddle turbine of automatically regulated paddle angle |
-
2010
- 2010-03-20 CN CN2010201503062U patent/CN201687757U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327501A (en) * | 2017-08-09 | 2017-11-07 | 哈尔滨电气动力装备有限公司 | Canned motor pump motor rotor axle journal tube-in-tube structure |
| CN109340249A (en) * | 2018-12-19 | 2019-02-15 | 成都富临精工电子电器科技有限公司 | A kind of graphite bearing structure applied to electronic water pump |
| CN114776507A (en) * | 2022-05-05 | 2022-07-22 | 江苏天鑫中冶环保设备有限公司 | But changes paddle turbine of automatically regulated paddle angle |
| CN114776507B (en) * | 2022-05-05 | 2023-10-03 | 江苏天鑫中冶环保设备有限公司 | Rotary blade water turbine capable of automatically adjusting blade angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG SHENHAI PUMP INDUSTRY TECHNOLOGY CO., LTD Free format text: FORMER OWNER: LIAN RONGHUI Effective date: 20130904 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 312400 SHAOXING, ZHEJIANG PROVINCE TO: 323804 LISHUI, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130904 Address after: 323804 Zhejiang province Qingyuan County Qingyuan Industrial Park Dongshan Yang Industrial Park No. 4 Patentee after: Zhejiang Shenhai Pump Industry Technology Co., Ltd. Address before: 312400 Zhejiang city of Shengzhou Province Lake Yan Street boat lake villa 27 Chen Yanli to Luciano Rong Hui Patentee before: Lian Ronghui |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20170320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |