CN2852504Y - Shockproof device for stator and stand in external rotor motor - Google Patents
Shockproof device for stator and stand in external rotor motor Download PDFInfo
- Publication number
- CN2852504Y CN2852504Y CN 200520067784 CN200520067784U CN2852504Y CN 2852504 Y CN2852504 Y CN 2852504Y CN 200520067784 CN200520067784 CN 200520067784 CN 200520067784 U CN200520067784 U CN 200520067784U CN 2852504 Y CN2852504 Y CN 2852504Y
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- CN
- China
- Prior art keywords
- stator
- support
- external rotor
- pit
- damper unit
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- 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.)
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Abstract
The utility model relates to an anti-vibration device of a stator and a motor base in an external rotor motor, which comprises a stator 1 and a motor base 2, wherein the stator 1 is sheathed on the outer surface of the motor base 2, and a gap 3 is formed between the inner surface of the stator 1 and the outer surface of the motor base 2; bosses 4 are arranged on the inner surface of the stator 1, and the outer surface of the motor base 2 is respectively provided with a plurality of drop pits; the bosses 4 are embedded and sheathed in the drop pits 5, and an anti-vibration unit is arranged between each boss 4 and each drop pit 5. In the utility model, the stator is connected with the motor base by inserting blocks made of rubber or artificial synthetic rubber, and the inserting blocks is utilized to absorb the vibration generated due to electromagnetic induction; the vibration and the noise can be reduced, and the service life of the motor can be effectively extended; moreover, the structure is simple and reasonable, and the installation is convenient.
Description
1, technical field:
The utility model relates to the antihunting device of stator and support in the external rotor electric machine.
2, background technology:
At present, stator in the external rotor electric machine all is to be directly installed on the pedestal, directly be connected between stator and the pedestal, it promptly is hard connection, when motor rotation, the coil that is wrapped in stator drives the external rotor rotation by the continuous sense of current size generation rotating magnetic field that changes, stator and external rotor produce the relation of active force and reaction force, in the process of running, be accompanied by electric current and produce high order harmonic component, the stator discontinuity that make to constitute the electromagnetic induction system produces vibration, owing to be a kind of hard connection between stator and the pedestal, therefore the vibration that produces is directly delivered on the pedestal, vibration can make the stress of motor each several part increase, can shorten the useful life of motor, even the danger that might produce resonance, vibration simultaneously also brings very big noise.
3, summary of the invention:
In order to overcome the deficiencies in the prior art, the purpose of this utility model provides the antihunting device of stator and support in the external rotor electric machine, to reduce vibration and the noise that stator brings because of electromagnetic induction.
One of them technical scheme of the present utility model is achieved in that it comprises stator and support, stator is sleeved on the support outer surface, between the outer surface of inner surface of stator and support, form the space, be provided with boss in inner surface of stator, the outer surface of support is provided with some pits respectively, boss is nested in the pit the inside, between boss and the pit damper unit is installed.
The grafting piece that above-mentioned described damper unit can be rubber or asynthetic rubber.
Above-mentioned described each damper unit links in aggregates by the space between stator inner surface and the support outer surface.
The number of the pit that the number of the boss of above-mentioned described inner surface of stator setting and the outer surface of support are provided with respectively is 2 to 60.
Another technical scheme of the present utility model is achieved in that it comprises stator and support, stator is sleeved on the support outer surface, between the outer surface of inner surface of stator and support, form the space, outer surface at inner surface of stator and support is provided with some pits respectively, on the pit of the pit of stator inner surface and corresponding with it support outer surface damper unit is installed, the outer surface of damper unit is nested in the pit the inside.
The grafting piece that above-mentioned described damper unit can be rubber or asynthetic rubber.
Above-mentioned described damper unit is made up of rubber ring and connecting pin, has the hole in the middle of the rubber ring, is inserted with connecting pin in the inside, hole.
Can align in the position of the pit that the pit of above-mentioned described inner surface of stator setting and the outer surface of support are provided with respectively, also can stagger.
The third technical scheme of the present utility model is achieved in that and comprises stator and support, and stator is sleeved on the support outer surface, and the correspondence position on the end face of stator and support has connecting hole, in the connecting hole the inside damper unit is installed.
Described damper unit is made up of rubber ring and connecting pin, has the hole in the middle of the rubber ring, is inserted with connecting pin in the inside, hole.
The utility model compared with prior art has following advantage: 1) by being connected stator and pedestal with connecting pin by the grafting piece made from rubber or asynthetic rubber or by rubber ring, utilize grafting piece or rubber ring to absorb stator and produce the vibration that high order harmonic component produced because of electric current, can reduce vibration and noise, effectively prolong the useful life of motor; 2) can a plurality of damper units be set between stator and pedestal, make vibration force transmit uniform and stable more, reduce vibration and noise; 3) simple and reasonable, easy for installation.
4, description of drawings:
Below in conjunction with accompanying drawing the utility model is done detailed explanation:
Fig. 1 is the structural representation of first kind of embodiment of the utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of second kind of embodiment of the utility model;
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is the structural representation of the third embodiment of the present utility model;
Fig. 6 is the C-C cutaway view of Fig. 5.
5, embodiment:
Embodiment 1: as shown in Figure 1 and Figure 2, the utility model comprises stator 1 and support 2, stator 1 is sleeved on support 2 outer surfaces, between the outer surface of the inner surface of stator 1 and support 2, form space 3, inner surface at stator 1 is provided with boss 4, the outer surface of support 2 is provided with some pits 5 respectively, and boss 4 is nested in pit 5 the insides, and boss 4 is nested between the pit 5 damper unit is installed.Damper unit can be rubber or asynthetic rubber's a grafting piece 6.Each damper unit links in aggregates by the space between stator 1 inner surface and support 2 outer surfaces 3.The number of the pit 5 that the number of the boss 4 of the inner surface setting of stator 1 and the outer surface of support 2 are provided with respectively is 2 to 60.
When motor rotation, the coil 10 that is wrapped in stator 1 drives external rotor 11 rotations by the continuous sense of current size generation rotating magnetic field that changes, thereby driving the rotating shaft 12 that is connected with external rotor 11 rotates, at this moment, stator 1 produces vibration because of electric current produces high order harmonic component, but can absorb by grafting piece 6, make the motor running more steady, can reduce vibration and noise effectively.
Embodiment 2: as shown in Figure 3, Figure 4, the utility model comprises stator 1 and support 2, stator 1 is sleeved on support 2 outer surfaces, between the outer surface of the inner surface of stator 1 and support 2, form space 3, at the inner surface of stator 1 and the outer surface of support 2 some pits 5 are set respectively, on the pit 5 of the pit 5 of stator 1 inner surface and corresponding with it support 2 outer surfaces damper unit is installed, the outer surface of damper unit is nested in pit 5 the insides.Damper unit can be rubber or asynthetic rubber's a grafting piece 6.Damper unit also can be made up of rubber ring 7 and connecting pin 8, has hole 9 in the middle of the rubber ring 7, and 9 the insides are inserted with connecting pin 8 in the hole.The number of the pit 5 that the outer surface of the inner surface of stator 1 and support 2 is provided with respectively is 2 to 60.Can align in the position of the pit 5 that the pit 5 of the inner surface setting of stator 1 and the outer surface of support 2 are provided with respectively, also can stagger.The cross section of pit 5 can make circular arc or rectangle, and the cross section of damper unit can be circle or rectangle.
As Fig. 5, shown in Figure 6, the utility model comprises stator 1 and support 2, and stator 1 is sleeved on support 2 outer surfaces, and the correspondence position on the end face 13 of stator 1 and support 2 has connecting hole 14, in connecting hole 14 the insides damper unit is installed.Described damper unit is made up of rubber ring 7 and connecting pin 8, has hole 9 in the middle of the rubber ring 7, and 9 the insides are inserted with connecting pin 8 in the hole.
Operation principle of the present utility model is: when motor rotation, the coil 10 that is wrapped in stator 1 drives external rotor 11 rotations by the continuous sense of current size generation rotating magnetic field that changes, rotate thereby drive with external rotor 11 hardwired rotating shafts 12, stator 1 is relations of active force and reaction force with external rotor 11, at this moment, stator 1 produces vibration because of electric current produces high order harmonic component, but can absorb by grafting piece 6 or rubber ring 7 and connecting pin 8, make the motor running more steady, can reduce vibration and noise effectively.
Claims (10)
1, the antihunting device of stator and support in a kind of external rotor electric machine, comprise stator (1) and support (2), stator (1) is sleeved on support (2) outer surface, it is characterized in that: between the outer surface of the inner surface of stator (1) and support (2), form space (3), inner surface at stator (1) is provided with boss (4), the outer surface of support (2) is provided with some pits (5) respectively, and boss (4) is nested in pit (5) the inside, between boss (4) and the pit (5) damper unit is installed.
2, the antihunting device of stator and support in the external rotor electric machine according to claim 1 is characterized in that: described damper unit can be rubber or asynthetic rubber's a grafting piece (6).
3, the antihunting device of stator and support in the external rotor electric machine according to claim 1 is characterized in that: described each damper unit links in aggregates by the space (3) between stator (1) inner surface and support (2) outer surface.
4, according to the antihunting device of stator and support in claim 1, the 2 or 3 described external rotor electric machines, it is characterized in that: the number of the pit (5) that the number of the boss (4) that the inner surface of described stator (1) is provided with and the outer surface of support (2) are provided with respectively is 2 to 60.
5, the antihunting device of stator and support in a kind of external rotor electric machine, comprise stator (1) and support (2), stator (1) is sleeved on support (2) outer surface, it is characterized in that: between the outer surface of the inner surface of stator (1) and support (2), form space (3), at the inner surface of stator (1) and the outer surface of support (2) some pits (5) are set respectively, on the pit (5) of the pit (5) of stator (1) inner surface and corresponding with it support (2) outer surface damper unit is installed, the outer surface of damper unit is nested in pit (5) the inside.
6, the antihunting device of stator and support in the external rotor electric machine according to claim 5 is characterized in that: described damper unit can be rubber or asynthetic rubber's a grafting piece (6).
7, the antihunting device of stator and support in the external rotor electric machine according to claim 5, it is characterized in that: described damper unit is made up of rubber ring (7) and connecting pin (8), have hole (9) in the middle of the rubber ring (7), (9) the inside is inserted with connecting pin (8) in the hole.
8, the antihunting device of stator and support in the external rotor electric machine according to claim 7, it is characterized in that: can align in the position of the pit (5) that the pit (5) that the inner surface of described stator (1) is provided with and the outer surface of support (2) are provided with respectively, also can stagger.
9, the antihunting device of stator and support in a kind of external rotor electric machine, comprise stator (1) and support (2), stator (1) is sleeved on support (2) outer surface, it is characterized in that: the correspondence position on the end face (13) of stator (1) and support (2) has connecting hole (14), in connecting hole (14) the inside damper unit is installed.
10, the antihunting device of stator and support in a kind of external rotor electric machine according to claim 9, it is characterized in that: described damper unit is made up of rubber ring (7) and connecting pin (8), have hole (9) in the middle of the rubber ring (7), (9) the inside is inserted with connecting pin (8) in the hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520067784 CN2852504Y (en) | 2005-11-15 | 2005-11-15 | Shockproof device for stator and stand in external rotor motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520067784 CN2852504Y (en) | 2005-11-15 | 2005-11-15 | Shockproof device for stator and stand in external rotor motor |
Publications (1)
Publication Number | Publication Date |
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CN2852504Y true CN2852504Y (en) | 2006-12-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200520067784 Expired - Lifetime CN2852504Y (en) | 2005-11-15 | 2005-11-15 | Shockproof device for stator and stand in external rotor motor |
Country Status (1)
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CN (1) | CN2852504Y (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101986522A (en) * | 2010-12-08 | 2011-03-16 | 沈阳工业大学 | Device for inhibiting noise and vibration of axial flux motor |
GB2477641A (en) * | 2010-02-04 | 2011-08-10 | Asmo Co Ltd | Brushless motor with plural vibration dampers |
JP2011166855A (en) * | 2010-02-04 | 2011-08-25 | Asmo Co Ltd | Brushless motor |
CN104165215A (en) * | 2014-08-04 | 2014-11-26 | 莱顿汽车部件(苏州)有限公司 | Rubber vibration reduction belt pulley for electricity generator |
CN104362792A (en) * | 2014-10-22 | 2015-02-18 | 广东威灵电机制造有限公司 | Motor and rotor assembly for same |
DE102008010947C5 (en) * | 2007-03-09 | 2017-06-14 | Asmo Co., Ltd. | Brushless motor and method of making the same |
CN112953048A (en) * | 2021-02-18 | 2021-06-11 | 武汉船用电力推进装置研究所(中国船舶重工集团公司第七一二研究所) | Stator structure for weakening electromagnetic excitation force of motor |
-
2005
- 2005-11-15 CN CN 200520067784 patent/CN2852504Y/en not_active Expired - Lifetime
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008010947C5 (en) * | 2007-03-09 | 2017-06-14 | Asmo Co., Ltd. | Brushless motor and method of making the same |
GB2477641A (en) * | 2010-02-04 | 2011-08-10 | Asmo Co Ltd | Brushless motor with plural vibration dampers |
JP2011166855A (en) * | 2010-02-04 | 2011-08-25 | Asmo Co Ltd | Brushless motor |
US8310116B2 (en) | 2010-02-04 | 2012-11-13 | Asmo Co., Ltd. | Brushless motor and manufacturing method thereof |
GB2477641B (en) * | 2010-02-04 | 2016-03-09 | Asmo Co Ltd | Brushless motor and manufacturing method thereof |
CN101986522A (en) * | 2010-12-08 | 2011-03-16 | 沈阳工业大学 | Device for inhibiting noise and vibration of axial flux motor |
CN101986522B (en) * | 2010-12-08 | 2012-08-15 | 沈阳工业大学 | Device for inhibiting noise and vibration of axial flux motor |
CN104165215A (en) * | 2014-08-04 | 2014-11-26 | 莱顿汽车部件(苏州)有限公司 | Rubber vibration reduction belt pulley for electricity generator |
CN104362792A (en) * | 2014-10-22 | 2015-02-18 | 广东威灵电机制造有限公司 | Motor and rotor assembly for same |
CN104362792B (en) * | 2014-10-22 | 2018-07-24 | 广东威灵电机制造有限公司 | Motor and its rotor assembly |
CN112953048A (en) * | 2021-02-18 | 2021-06-11 | 武汉船用电力推进装置研究所(中国船舶重工集团公司第七一二研究所) | Stator structure for weakening electromagnetic excitation force of motor |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20061227 |
|
EXPY | Termination of patent right or utility model |