CN2854906Y - High water-proof submersible pump rotor - Google Patents
High water-proof submersible pump rotor Download PDFInfo
- Publication number
- CN2854906Y CN2854906Y CN 200520067504 CN200520067504U CN2854906Y CN 2854906 Y CN2854906 Y CN 2854906Y CN 200520067504 CN200520067504 CN 200520067504 CN 200520067504 U CN200520067504 U CN 200520067504U CN 2854906 Y CN2854906 Y CN 2854906Y
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- Prior art keywords
- plastic sheath
- high water
- motor
- utility
- pump rotor
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- Expired - Fee Related
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Abstract
The utility model provides a submersible pump motor rotor with high water resistance. The motor rotor comprises magnet core, inner plastic sheath, ceramic bearing, and outer plastic sheath. The utility model further comprises two sealing rubber rings which are respectively disposed in the contact surface of overlapping two ends of the inner or outer plastic sheath. The sealing rubber ring has certain elasticity and can inhibit water leakage, thereby efficiently preventing the oxidation of Fe-B magnet core and prolonging the service life of motor. Additionally, the utility model has simple structure, convenient use and acceptable cost increase.
Description
Exclusive technology neck
The utility model relates to motor, particularly a kind of motor for submerged pump rotor of high water proofing property.
Background technology
Immersible pump is the water pump that a kind of impeller directly places water to work, and used motor has two kinds of submersible and half submersibles, and motor must have excellent waterproofness, especially the part of rotor high speed rotating.Its water proofing property requires higher.At present, the more employing single-phase permanent of immersible pump body synchronous machine, in order to improve pump efficiency, the Nd-Fe-Bo permanent magnet material manufacturing of its magnetic core because NdFeB material is met the easy oxidation of the water capacity, therefore also must take waterproof measure could guarantee that motor runs well.The method of prior art is with neodymium iron boron magnetic core complete closed with plastics.Because technologic requirement, the injection moulding simultaneously of inside and outside two layers of plastic, inner plastic that must first injection moulding magnetic core is fixed magnetic core, ceramic bearing and is formed behind the rotor hole the just outer layer plastic of injection moulding magnetic core, and the ectonexine plastics are realized waterproof requirement by the tight overlap joint of both ends of the surface.Yet, there is following weak point in such injection moulding process: because twice injection moulding process has a time difference, the lap-joint of the ectonexine of twice injection moulding can not merge fully, prolongation along with the time, the stress that forms during injection moulding can discharge gradually, makes ectonexine plastics joint can slowly produce slight one slit, causes water to enter oxidation magnetic core in the neodymium iron boron magnetic core of rotor from the crack, rotor was lost efficacy gradually, this existing just motor for submerged pump rotor not long reason in useful life.
Summary of the invention
Cause not long defective in useful life in order to solve existing motor for submerged pump rotor because of the infiltration oxidation, the utility model makes improvements prior art, and a kind of motor for submerged pump rotor of high water proofing property is provided.These improvements are simple, easy to be implemented, and can solve the seepage problem of rotor magnetic core effectively, significantly improves the useful life of motor for submerged pump.
Above-mentioned task realizes by this way: a kind of motor for submerged pump rotor of high water proofing property, comprise magnetic core, interior plastic sheath, ceramic bearing and outer plastic sheath, it is characterized in that two O-ring seals in addition, on the contact-making surface that plastic sheath and outer plastic sheath two ends place overlapped mutually in two O-ring seals were placed in respectively.
In technique scheme:
On plastic sheath and outer plastic sheath both sides were bonded with each other the shaft shoulder of locating in described two O-ring seal preferably was placed in, this scheme was implemented easily, can obtain the better seal effect again.
From above-mentioned improvement as can be known, since the technical program interior plastic sheath with outside be provided with certain flexible O-ring seal on the contact-making surface that overlaps mutually of plastic sheath, stop up penetrating passage, thereby prevented the oxidation of neodymium iron boron magnetic core effectively, prolonged the useful life of motor.Very simple, the easy enforcement of this programme improvements, cost increase few.
Description of drawings
Fig. 1 is a kind of motor for submerged pump rotor cutaway view of an embodiment concrete structure wherein of high water proofing property.
Embodiment
As shown in Figure 1, a kind of motor for submerged pump rotor of high water proofing property comprises magnetic core 1, interior plastic sheath 2, ceramic bearing 3 and outer plastic sheath 4, the technical program also set up 5, two fluid sealant Fig. 5 of two O-ring seals be placed in respectively in plastic sheath 2 and outer plastic sheath 4 both sides be bonded with each other on the shaft shoulder of locating.During enforcement, the groove 6 of the same formation sealing cushion rubber 5 of plastic sheath 2 in injection moulding is putting into O-ring seal 5 plastic sheath 4 outside the injection moulding again after groove 6, when outer plastic sheath 4 condensation after-contraction, its medial surface just is pressed on the O-ring seal 5 tightly, plays good sealing function.5 of O-ring seals of the present utility model are made with silicon rubber.
Claims (2)
1, a kind of motor for submerged pump rotor of high water proofing property, this rotor comprises magnetic core (1), interior plastic sheath (2), ceramic bearing (3) and outer plastic sheath (4), it is characterized in that in addition two O-ring seals (5), two O-ring seals (5) are placed in respectively on the contact-making surface that interior plastic sheath (2) and outer plastic sheath (4) two ends place overlap mutually.
2, rotor according to claim 1 is characterized in that two O-ring seals (5) are to be placed in interior plastic sheath (2) and outer plastic sheath (4) two sides to be bonded with each other on the shaft shoulder of locating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520067504 CN2854906Y (en) | 2005-11-16 | 2005-11-16 | High water-proof submersible pump rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520067504 CN2854906Y (en) | 2005-11-16 | 2005-11-16 | High water-proof submersible pump rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2854906Y true CN2854906Y (en) | 2007-01-03 |
Family
ID=37581543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520067504 Expired - Fee Related CN2854906Y (en) | 2005-11-16 | 2005-11-16 | High water-proof submersible pump rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2854906Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185023A (en) * | 2013-03-08 | 2013-07-03 | 江苏大学 | Guide bearing structure of hot water circulation pump |
| CN107453505A (en) * | 2017-08-04 | 2017-12-08 | 佛山市威灵洗涤电机制造有限公司 | Rotor assembly and there is its motor |
| GB2562261A (en) * | 2017-05-10 | 2018-11-14 | Edwards Ltd | Motor Rotor |
| CN110544998A (en) * | 2014-06-13 | 2019-12-06 | Lg 伊诺特有限公司 | Rotor assembly, motor and dual clutch transmission |
| CN111056255A (en) * | 2019-12-31 | 2020-04-24 | 西安宝鑫自动化设备有限公司 | Diving bearing protection structure |
-
2005
- 2005-11-16 CN CN 200520067504 patent/CN2854906Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185023A (en) * | 2013-03-08 | 2013-07-03 | 江苏大学 | Guide bearing structure of hot water circulation pump |
| CN103185023B (en) * | 2013-03-08 | 2015-06-10 | 江苏大学 | Guide bearing structure of hot water circulation pump |
| CN110544998A (en) * | 2014-06-13 | 2019-12-06 | Lg 伊诺特有限公司 | Rotor assembly, motor and dual clutch transmission |
| GB2562261A (en) * | 2017-05-10 | 2018-11-14 | Edwards Ltd | Motor Rotor |
| KR20180003246U (en) * | 2017-05-10 | 2018-11-20 | 에드워즈 리미티드 | Motor rotor |
| KR200497518Y1 (en) * | 2017-05-10 | 2023-12-04 | 에드워즈 리미티드 | Motor rotor |
| CN107453505A (en) * | 2017-08-04 | 2017-12-08 | 佛山市威灵洗涤电机制造有限公司 | Rotor assembly and there is its motor |
| CN107453505B (en) * | 2017-08-04 | 2023-09-29 | 佛山市威灵洗涤电机制造有限公司 | Rotor assembly and motor with same |
| CN111056255A (en) * | 2019-12-31 | 2020-04-24 | 西安宝鑫自动化设备有限公司 | Diving bearing protection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |