CN203482004U - Magnetic coupling driving device - Google Patents
Magnetic coupling driving device Download PDFInfo
- Publication number
- CN203482004U CN203482004U CN201320487838.9U CN201320487838U CN203482004U CN 203482004 U CN203482004 U CN 203482004U CN 201320487838 U CN201320487838 U CN 201320487838U CN 203482004 U CN203482004 U CN 203482004U
- Authority
- CN
- China
- Prior art keywords
- magnet ring
- pallet
- blood pump
- rotor magnet
- pole 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 - Fee Related
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Abstract
The utility model discloses a magnetic coupling driving device, comprising a cylindric housing which is open-ended at two ends, a six-pole rotor magnet ring and a driving motor. The six-pole rotor magnet ring is arranged in the housing. The driving motor and the six-pole rotor magnet ring are connected with each other through a magnet ring pallet. A blood pump pallet is arranged above the six-pole rotor magnet ring. The driving motor drives the six-pole rotor magnet ring to rotate. A magnetic force is generated between magnetic poles of the six-pole rotor magnet ring and blood pump magnetic blades, so that magnetic blades in a blood pump are driven to rotate by the magnetic force, and a torque is transmitted. The magnetic coupling driving device is simple in structure and convenient to assemble. The magnetic coupling driving device cooperates with the blood pump having the magnetic blades, a fact that the blood pump blades are driven to rotate by a non-contact manner is achieved, the external blood pump and the driving device can be connected and disconnected conveniently and quickly, requirements for driving the blood pump blades are met, and the magnetic coupling driving device is enabled to be small and portable.
Description
Technical field
The utility model relates to for driving the device of blood pump, is specifically related to a kind of magnetic coupling drive unit.
Background technology
The blood pump with magnetic leaf, the magnetic force rotor that its type of drive need to be rotated by the external world provides torque.Conventional type of drive is that the drive unit of pump and the pump housing itself are combined into one, and which shortcoming is that drive unit contacts with pump inner blood, easily causes blood contamination, and inconvenience dismounting, is inconvenient to carry out cleaning and sterilizing.
Utility model content
The purpose of this utility model is to provide a kind of easy to assembly, drive effective and can effectively solve the hidden danger that drive unit causes blood pump, meeting with corresponding and there is the assembling quickly and safely of magnetic leaf blood pump and the magnetic coupling drive unit of separation requirement.
The technical solution of the utility model is:
A kind of magnetic coupling drive unit, the cylinder shell, six pole rotor magnet ring and the drive motors that comprise both ends open, described six pole rotor magnet ring is placed in housing, and described drive motors is connected by magnet ring pallet with six pole rotor magnet ring, and described six pole rotor magnet ring top is provided with blood pump pallet; Described drive motors drives the rotation of six pole rotor magnet ring, between the magnetic pole of six pole rotor magnet ring and driven blood pump magnetic leaf, produces magnetic force, thereby utilizes this magnetic force to drive blood pump internal magnetization blade rotary, transmitting torque.
Described housing madial wall is set to hierarchic structure, sets gradually from top to bottom ladder I and ladder II; Described housing is also provided with motor pallet, described motor pallet is annular gasket, the outward flange of motor pallet is placed in the ladder I in housing, and meanwhile, motor pallet is fixed on (design guarantees that motor shaft is coaxial with drive unit cylindrical shell) on drive motors by screw thread.
Described magnet ring pallet is annular gasket structure, and its top suit that is placed in motor pallet is fixed on the motor shaft of described drive motors; Described six pole rotor magnet ring is adhered to magnet ring tray upper surface, and six pole rotor magnet ring top is circular blood pump pallet, and the outward flange of described blood pump pallet is placed in the ladder II in housing, and is fixed in described housing by screw thread; Binding agent for bonding six pole rotor magnet ring and magnet ring pallet is loctite638.
Described its material of six pole rotor magnet ring is NdFeB material, and through magnetizing process, its annular is divided into six sector regions, and adjacent two regions have respectively phase different pole; Described six sector regions can be structure as a whole, and can be also Split type structure (six pole rotor magnet ring also different magnetic patch or the sector magnet of available six magnetic replaces by above-mentioned arrangement mode design).
Described magnet ring pallet and drive motors coupling part are provided with pin hole, guarantee that the motor shaft of described magnet ring pallet and drive motors is circumferentially connected, and design guarantees that the two is coaxial.
Described blood pump pallet is provided with two or more reference columns of auxiliary blood pump location; Described reference column is connected with drive unit shell by screw thread; Described drive unit and blood pump shell push by reference column the frictional force that blood pump shell produces and are connected.
The utility model beneficial effect is as follows:
1, the utility model adopts magnetic coupling mode as the contactless type of drive with magnetic leaf blood pump, effectively cleanliness factor and the fail safe of blood;
2, the utility model is simple in structure, compact, easy to assembly, and the component integration of axial distribution is in the shell of given shape, and driven blood pump can be with described drive unit Fast Installation with separated;
3, the utility model device also can be used for other driving with the fluid pump of magnetic leaf, can extend the useful life of driven pump to the protection of the pump housing itself.
Accompanying drawing explanation
Fig. 1 is profile schematic diagram of the present utility model;
Fig. 2 is assembly structure schematic diagram of the present utility model;
Fig. 3 is the magnetize vertical view of rotor magnetic ring of the sextupole of drive unit described in the utility model;
Fig. 4 is the cut-away view of outer cover of drive unit described in the utility model;
Fig. 5 is the cutaway view of drive unit described in the utility model.
In figure: 1-housing; 11-ladder I; 12-ladder II; 2-six pole rotor magnet ring; 3-drive motors; 31-motor shaft; 4-blood pump pallet; 5-magnet ring pallet; 6-motor pallet; 7-locates fixed leg.
Embodiment
Below in conjunction with accompanying drawing in detail the utility model is described in detail.
As shown in Figure 1-2, the utility model magnetic coupling drive unit comprises cylinder shell 1, six pole rotor magnet ring 2 and the drive motors 3 of both ends open, described six pole rotor magnet ring 2 is placed in housing 1, described drive motors 3 is connected by magnet ring pallet 5 with six pole rotor magnet ring 2, and described six pole rotor magnet ring 2 tops are provided with blood pump pallet 4; Described drive motors 3 drives 2 rotations of six pole rotor magnet ring, between the magnetic pole of six pole rotor magnet ring 2 and driven blood pump magnetic leaf, produces magnetic force, thereby utilizes this magnetic force to drive blood pump internal magnetization blade rotary, transmitting torque.
As shown in Fig. 4-5, described housing 1 madial wall is set to hierarchic structure, sets gradually from top to bottom ladder I and ladder II; Described housing 1 is also provided with motor pallet 6, motor pallet 6 is annular gasket, drive motors 3 is connected with shell 1 by motor pallet 6, concrete connected mode is: the outward flange of motor pallet 6 is placed in the ladder I 11 in housing 1, simultaneously, motor pallet 6 is fixed on drive motors 3 by screw thread, and design guarantees that motor shaft is coaxial with drive unit cylindrical shell.
Described magnet ring pallet 5 is annular gasket structure, and its top suit that is placed in motor pallet 6 is fixed on the motor shaft 31 of described drive motors 3; Described six pole rotor magnet ring 2 is adhered to magnet ring pallet 5 upper surfaces, and six pole rotor magnet ring 2 tops are circular blood pump pallet 4, and blood pump pallet 4 is connected for driven pump and described drive unit; The outward flange of described blood pump pallet 4 is placed in the ladder II 12 in housing 1, and is fixed in described housing 1 by screw thread; Binding agent for bonding six pole rotor magnet ring 2 and magnet ring pallet 5 is loctite638.
As shown in Figure 3, described six pole rotor magnet ring 2 its materials are NdFeB material, and through magnetizing process, its annular is divided into six sector regions, and adjacent two regions have respectively phase different pole (the extremely interlaced arrangement of the N utmost point and S); Described six sector regions can be structure as a whole, and can be also Split type structure (six pole rotor magnet ring 2 also different magnetic patch or the sector magnet of available six magnetic replaces by above-mentioned arrangement mode design).
Described magnet ring pallet 5 is provided with pin hole with drive motors 3 coupling parts, guarantee that described magnet ring pallet 5 and the motor shaft 31 of drive motors 3 are circumferentially connected, and design guarantees that the two is coaxial.
The shell 1 of described drive unit is connected with blood pump by blood pump pallet 4; Sextupole magnet ring 2 is connected by steady pin with drive motors 3 by magnet ring pallet 5; Drive motors 3 is connected with motor pallet 6 by screwed hole, and is threaded connection in shell 1 and assemblies drive unit.
Described blood pump pallet 4 is provided with two or more reference columns 7 of auxiliary blood pump location; Described reference column 7 is connected with drive unit shell 1 by screw thread; Described drive unit and blood pump shell push by reference column the frictional force that blood pump shell produces and are connected.
Described blood pump is MAQUET manufacturer production, and model is Rotaflow.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect have been carried out to further detailed description; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included in the protection range of utility model.
Claims (8)
1. a magnetic coupling drive unit, it is characterized in that: this device comprises cylinder shell, six pole rotor magnet ring and the drive motors of both ends open, described six pole rotor magnet ring is placed in housing, described drive motors is connected by magnet ring pallet with six pole rotor magnet ring, and described six pole rotor magnet ring top is provided with blood pump pallet; Described drive motors drives the rotation of six pole rotor magnet ring, between the magnetic pole of six pole rotor magnet ring and driven blood pump magnetic leaf, produces magnetic force, thereby utilizes this magnetic force to drive blood pump internal magnetization blade rotary, transmitting torque.
2. magnetic coupling drive unit according to claim 1, is characterized in that: described housing madial wall is set to hierarchic structure, sets gradually from top to bottom ladder I and ladder II; Described housing is also provided with motor pallet, and described motor pallet is annular gasket, and the outward flange of motor pallet is placed in the ladder I in housing, and meanwhile, motor pallet is fixed on drive motors by screw thread.
3. magnetic coupling drive unit according to claim 2, is characterized in that: described magnet ring pallet is annular gasket structure, and its top suit that is placed in motor pallet is fixed on the motor shaft of described drive motors; Described six pole rotor magnet ring is adhered to magnet ring tray upper surface, and six pole rotor magnet ring top is circular blood pump pallet, and the outward flange of described blood pump pallet is placed in the ladder II in housing, and is fixed in described housing by screw thread.
4. magnetic coupling drive unit according to claim 3, is characterized in that: the binding agent for bonding six pole rotor magnet ring and magnet ring pallet is loctite638.
5. magnetic coupling drive unit according to claim 1, is characterized in that: described its material of six pole rotor magnet ring is NdFeB material, and its annular is divided into six sector regions, and adjacent two regions have phase different pole.
6. magnetic coupling drive unit according to claim 5, is characterized in that: six sector regions of described six pole rotor magnet ring are structure as a whole or Split type structure.
7. magnetic coupling drive unit according to claim 4, it is characterized in that: described magnet ring pallet and drive motors coupling part are provided with pin hole, described magnet ring pallet is circumferentially connected by the motor shaft of pin hole and drive motors, and magnet ring pallet is coaxial with motor shaft.
8. magnetic coupling drive unit according to claim 4, is characterized in that: described blood pump pallet is provided with two or more reference columns of auxiliary blood pump location; Described reference column is connected with drive unit shell by screw thread; Described drive unit and blood pump shell push by reference column the frictional force that blood pump shell produces and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320487838.9U CN203482004U (en) | 2013-08-09 | 2013-08-09 | Magnetic coupling driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320487838.9U CN203482004U (en) | 2013-08-09 | 2013-08-09 | Magnetic coupling driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203482004U true CN203482004U (en) | 2014-03-12 |
Family
ID=50230254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320487838.9U Expired - Fee Related CN203482004U (en) | 2013-08-09 | 2013-08-09 | Magnetic coupling driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203482004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348297A (en) * | 2013-08-09 | 2015-02-11 | 王辉山 | Magnetic coupling driving device |
| CN110743051A (en) * | 2019-12-24 | 2020-02-04 | 丰凯医疗器械（上海）有限公司 | Quick-connection type magnetic transmission device for medical interventional instrument |
-
2013
- 2013-08-09 CN CN201320487838.9U patent/CN203482004U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348297A (en) * | 2013-08-09 | 2015-02-11 | 王辉山 | Magnetic coupling driving device |
| CN104348297B (en) * | 2013-08-09 | 2018-10-26 | 王辉山 | A kind of magnetic coupling driving device |
| CN110743051A (en) * | 2019-12-24 | 2020-02-04 | 丰凯医疗器械（上海）有限公司 | Quick-connection type magnetic transmission device for medical interventional instrument |
| CN110743051B (en) * | 2019-12-24 | 2020-05-15 | 丰凯医疗器械（上海）有限公司 | Quick-connection type magnetic transmission device for medical interventional instrument |
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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: 20140312 Termination date: 20200809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |