CN205559301U - Novel asynchronous magnetic drive pump of squirrel -cage permanent magnetism - Google Patents
Novel asynchronous magnetic drive pump of squirrel -cage permanent magnetism Download PDFInfo
- Publication number
- CN205559301U CN205559301U CN201620374608.5U CN201620374608U CN205559301U CN 205559301 U CN205559301 U CN 205559301U CN 201620374608 U CN201620374608 U CN 201620374608U CN 205559301 U CN205559301 U CN 205559301U
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- China
- Prior art keywords
- pump
- internal rotor
- rotor frame
- separation sleeve
- bearing
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- Expired - Fee Related
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Abstract
The utility model relates to a novel asynchronous magnetic drive pump of squirrel -cage permanent magnetism, including the pump body, impeller, pump shaft, inner rotor, external rotor, separation sleeve, motor, on the external rotor frame outside the separation sleeve was installed to the external rotor, the external rotor put up the pivot fixed connection with the motor, and the inner rotor is installed and is put up at the inboard inner rotor of separation sleeve, inner rotor frame and pump shaft fixed connection, and the pump shaft is installed on the pump cover by the bearing, mainly be that the external rotor adopts the permanent magnet, this permanent magnet is the drum structure, fixes the interior round wall that inlays the dress and put up at the external rotor, clearance fit between circle wall and the separation sleeve drum part excircle wall in it, and the conductor of inner rotor adoption high conductivity material encloses the fixed dress that inlays and forms on the inner rotor frame. Have that the product is small, with low costs, operating efficiency is high, long service life, pick -up current strike advantages such as little to the electric wire netting. Be applicable to danger, attacking media's transport.
Description
Technical field
This utility model belongs to pump field, especially with regard to a kind of magnetic drive pump.This utility model be applicable to danger,
The conveying of hazardous medium.
Background technology
Magnetic drive pump is because using separation sleeve static seal between pump and motor, in can stopping pump chamber, medium leaks outside, extensively
Conveying for danger medium.Its structure typically by the pump housing, impeller, pump shaft, internal rotor, outer rotor, every
From set, motor composition, outer rotor is arranged on fixing with the rotating shaft of motor outside separation sleeve connection, and internal rotor is pacified
Being contained in fixing with pump shaft inside separation sleeve connection, pump shaft is installed by two sliding bearings of internal rotor both ends of the surface
In the pump housing.When driven by motor outer rotor rotates, the magnetic force of generation drives internal rotor to rotate, and internal rotor passes through
Pump shaft drives the impeller being fixedly mounted on the pump shaft other end to rotate.The internal rotor of existing magnetic drive pump and outer rotor are all
Permanent magnet is used to intercouple composition magnetic coupling, it is achieved to close Synchronous Transmission.Its major defect is when load
When exceeding magnetic coupling peak torque, internal rotor and outer rotor there will be skidding asynchronous phenomenon, metal every
Produce high temperature from the vortex heat put, make the permanent magnet of internal rotor occur demagnetizing, even permanent demagnetization,
Affect product operational efficiency and service life；The starting current of threephase asynchronous machine be generally rated current 2～
3 times, in order to when preventing from starting, failure mode occurs in magnetic coupling, the torque design value of magnetic coupling is general
At more than 5 times of nominal torque, its volume is big, cost is high, eddy current heat consumption high, efficiency is low, starting current
Electrical network there is greater impact.
Summary of the invention
The purpose of this utility model is the shortcoming existed for prior art, it is provided that a kind of volume is little, low cost,
Operational efficiency is high, service life is long, new type squirrel-cage permanent magnetism asynchronous magnetic pump little to electrical network impact during startup.
The technical solution of the utility model include the pump housing, impeller, pump shaft, internal rotor, outer rotor, separation sleeve,
Motor, outer rotor is arranged on the outer rotor frame outside separation sleeve, and outer rotor frame is fixing with the rotating shaft of motor to be connected
Connecing, internal rotor is arranged on the internal rotor frame inside separation sleeve, and internal rotor frame is fixing with pump shaft to be connected, pump shaft
It is installed on pump cover by bearing；Mainly outer rotor uses permanent magnet, and this permanent magnet is cylindrical structure, fixing
It is inlaid in the inner round wall of outer rotor frame, matched in clearance between its inner round wall and separation sleeve cylindrical portions cylindrical wall,
Internal rotor uses the conductor ring of high conductivity material to fix and is inlaid on internal rotor frame composition.
Preferably, bearing is made up of two sliding bearings, is arranged on the pump shaft between impeller and internal rotor frame,
Two sliding bearings are arranged in a bearing body by bearing block respectively, and bearing body is fixedly mounted on pump cover.
Preferably, internal rotor frame is shaped with center hole, and bearing body is embedded in the center hole of internal rotor frame,
Matched in clearance between periphery and the internal rotor frame center hole inner round wall of bearing body.
The utility model has the advantages that internal rotor uses the conductor ring of high conductivity material to fix and is inlaid in internal rotor
Forming on frame, heat resistance is good, and starting current is little, it is possible to decrease outer rotor and the magnetic couple of internal rotor composition
The design torque of device, its small product size is little, low cost, operational efficiency are high, service life is long, during startup pair
Electrical network impact is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1 pump housing, 2 pressing plates, 3 bearing bodies, 4 links, 5 internal rotor framves, 6 outer rotor framves, 7 motors, 8
Base, 9 separation sleeves, 10 pump shafts, 11 impellers, 12 internal rotors, 13 outer rotors, 14 pump covers, 15 slips
Bearing, 16 bearing blocks.
Detailed description of the invention
New type squirrel-cage permanent magnetism asynchronous magnetic pump as shown in Figure 1, including the pump housing 1, impeller 11, pump shaft 10,
Internal rotor 12, outer rotor 13, separation sleeve 9, motor 7 and base 8, outer rotor 13 is positioned at outside separation sleeve 9
On the outer rotor frame 6 of side, the rotating shaft of outer rotor frame 6 and motor 7 is fixing to be connected, internal rotor 12 be arranged on every
On internal rotor frame 5 inside set 9, internal rotor frame 5 is fixing with pump shaft 10 to be connected, and pump shaft 10 is by bearing
It is installed on pump cover 14；Outer rotor 13 uses permanent magnet, and this permanent magnet is cylindrical structure, fixes and is inlaid in
The inner round wall of outer rotor frame 6, matched in clearance between its inner round wall and separation sleeve 9 cylindrical portions cylindrical wall, interior
Rotor 12 uses the conductor ring of high conductivity material to fix and is inlaid on internal rotor frame 5 composition.When outer rotor 13
When motor 7 is rotated, its permanent magnet produces magnetic force line cutting and is made up of the conductor ring of high conductivity material
Internal rotor 12, make conductor ring inductive loop, the magnetic field that eddy current effect produces and permanent magnet magnetic field interactions,
Generation pull strength drive internal rotor 12 is followed outer rotor 13 and is rotated, and makes outer rotor 13 constitute with internal rotor 12
Magnetic coupling, owing to the conductor ring heat resistance of high conductivity material is good, it is to avoid the demagnetization of permanent magnet high temperature
Or demagnetization problem, keep higher operational efficiency, long product lifecycle.In rotary course, internal rotor
All the time there is speed discrepancy between 12 and outer rotor 13, speed discrepancy is the biggest, and inductive loop and induced field are the biggest,
Produce pull strength and moment of torsion is the biggest.In initial start stage, due to turning between outer rotor 13 and internal rotor 12
Speed difference is the least, and starting current is the least, and impact during startup produced electrical network is the least, can reduce product
Volume, reduces the manufacturing cost produced.The conductor ring of internal rotor 12 uses the high conductivity such as red copper or stalloy
Material manufactures.Permanent magnet, outer rotor 13 can also be used to use the conductor ring of high conductivity by internal rotor 12.
Bearing is made up of two sliding bearings 15, the pump shaft 10 being arranged between impeller 11 and internal rotor frame 5
On, two sliding bearings 15 are arranged in a bearing body 3 by bearing block 16 respectively, and bearing body 3 is fixed
It is arranged on pump cover 14, makes two sliding bearings 15 have preferable concentricity, reduce itself and pump shaft 10
Friction, improves operational efficiency, reduces and runs noise.
Internal rotor frame 5 is shaped with center hole, and bearing body 3 is embedded in the center hole of internal rotor frame 5, axle
Hold matched in clearance between the periphery of body 3 and internal rotor frame 5 center hole inner round wall, reduce the volume of product.
The annular convex shoulder of separation sleeve 9 port is arranged between pressing plate 2 and pump cover 14, and pressing plate 2 is arranged on link 4
And between pump cover 14, link 4 is fixedly mounted on the pump housing 1 by screw.
Claims (3)
1. a new type squirrel-cage permanent magnetism asynchronous magnetic pump, including the pump housing (1), impeller (11), pump shaft (10),
Internal rotor (12), outer rotor (13), separation sleeve (9), motor (7) and base (8), outer rotor (13)
It is positioned on the outer rotor frame (6) in separation sleeve (9) outside, outer rotor frame (6) and the rotating shaft of motor (7)
Fixing connection, internal rotor (12) is arranged on the internal rotor frame (5) of separation sleeve (9) inner side, internal rotor
Frame (5) is fixing with pump shaft (10) to be connected, and pump shaft (10) is installed on pump cover (14) by bearing；It is special
Levying is that outer rotor (13) uses permanent magnet, and this permanent magnet is cylindrical structure, fixes and is inlaid in outer rotor frame (6)
Inner round wall, matched in clearance between its inner round wall and separation sleeve (9) cylindrical portions cylindrical wall, internal rotor (12)
The fixing internal rotor frame (5) that is inlaid in of conductor ring using high conductivity material above forms.
New type squirrel-cage permanent magnetism asynchronous magnetic pump the most according to claim 1, is characterized in that bearing is by two
Individual sliding bearing (15) forms, the pump shaft (10) being arranged between impeller (11) and internal rotor frame (5)
On, two sliding bearings (15) are arranged in a bearing body (3) by bearing block (16) respectively, bearing
Body (3) is fixedly mounted on pump cover (14).
New type squirrel-cage permanent magnetism asynchronous magnetic pump the most according to claim 2, is characterized in that internal rotor frame
(5) being shaped with center hole, bearing body (3) is embedded in the center hole of internal rotor frame (5), bearing body
(3) matched in clearance between periphery and internal rotor frame (5) center hole inner round wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620374608.5U CN205559301U (en) | 2016-04-21 | 2016-04-21 | Novel asynchronous magnetic drive pump of squirrel -cage permanent magnetism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620374608.5U CN205559301U (en) | 2016-04-21 | 2016-04-21 | Novel asynchronous magnetic drive pump of squirrel -cage permanent magnetism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559301U true CN205559301U (en) | 2016-09-07 |
Family
ID=56805249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620374608.5U Expired - Fee Related CN205559301U (en) | 2016-04-21 | 2016-04-21 | Novel asynchronous magnetic drive pump of squirrel -cage permanent magnetism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658666A (en) * | 2022-03-21 | 2022-06-24 | 瑞希特(浙江)科技股份有限公司 | Driving pump with strong magnetic force transfer torque |
-
2016
- 2016-04-21 CN CN201620374608.5U patent/CN205559301U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658666A (en) * | 2022-03-21 | 2022-06-24 | 瑞希特(浙江)科技股份有限公司 | Driving pump with strong magnetic force transfer torque |
| CN114658666B (en) * | 2022-03-21 | 2024-01-19 | 瑞希特(浙江)科技股份有限公司 | Driving pump for strong magnetic force moment transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20190421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |