CN2641900Y - Motor with rotary balance structure - Google Patents
Motor with rotary balance structure Download PDFInfo
- Publication number
- CN2641900Y CN2641900Y CN 03277194 CN03277194U CN2641900Y CN 2641900 Y CN2641900 Y CN 2641900Y CN 03277194 CN03277194 CN 03277194 CN 03277194 U CN03277194 U CN 03277194U CN 2641900 Y CN2641900 Y CN 2641900Y
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- CN
- China
- Prior art keywords
- rotor
- becket
- motor
- spin balancing
- pedestal
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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.)
- Expired - Lifetime
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a motor which has a rotation balancing structure and comprises a base, a stator, a rotor, a metallic ring and a balancing magnet iron sheet, wherein the stator is arranged on the base and is provided with an iron core and a coil which, when the power supply is switched on, can produce an alternating magnetic field; the rotor is provided with an alternating magnetic field able to sense the stator and also with an annular magnet driving the rotor to rotate; the metallic ring is arranged at the bottom margin of the rotor; the balancing magnet iron sheet is arranged on the base in correspondence to the metallic ring and used for constant magnetic attraction of the metallic ring to maintain the rotation balance of the rotor. Electrified, the annular magnet of the motor rotor can sense the stator and produce an alternating magnetic field to drive the rotor to rotate; the balancing magnet ring sheet can constantly attract the metallic ring of the rotor by magnetic force to maintain the rotation balance.
Description
Technical field
The utility model relates to a kind of motor with spin balancing structure, more particularly, relates to the becket that a kind of balanceable magnet sheet that utilizes a pedestal attracts a rotor, to promote the motor of rotor rotation stability.
Background technology
Tradition has the motor of spin balancing structure, as disclosed " no dc motor structure " in No. the 423760th, the Taiwan patent announcement, U.S.'s patent of invention the 6th, 050, disclosed in No. 785 " the longitudinal balance sheet of small heat-dissipating fan " U.S.'s patent of invention the 6th, 290, disclosed in No. 471 " the impeller joint structure of small heat-dissipating fan ", U.S.'s patent of invention the 0th, 386, disclosed in No. 837 " the fan joint structure of small heat-dissipating fan " and United States Patent (USP) the 6th, 483, disclosed in No. 209 " gimbal of motor ", as shown in Figure 1, the structure of motor all comprises a rotor 1 basically, one stator 2, one pedestal 3 and a balancing patch 4.Rotor 1 is provided with a rotor case 11, an axostylus axostyle 12 and an annular magnet 13.Stator 2 is provided with 21 and one coil 22 unshakable in one's determination.Pedestal 3 is provided with a central siphon 31 and a bearing 32, and the outer ring surface of central siphon 31 is used in conjunction with stator 2 and balancing patch 4, and bearing 32 can rotate for the axostylus axostyle 12 of rotor 1 wears combination.Balancing patch 4 is made by permeability magnetic material, for example iron or ferroalloy.By this, the alternation that produces when annular magnet 13 induction stators 2 energisings of rotor 1 is excitatory and when promoting rotor 1 and rotating, annular magnet 13 will be simultaneously magnetic balancing patch 4 downwards, to keep the spin balancing of rotor 1.
Though the magnetic attraction between balancing patch 4 and the annular magnet 13 can be kept the spin balancing of rotor 1, but this magnetic attraction disperses a part of magnetic flux of annular magnet 13 also simultaneously, promptly causes annular magnet 13 that magnetic leakage (magnetic leakage) takes place relatively in order to keep balance.Because it is excitatory that annular magnet 13 can't be used to whole magnetic fluxs to respond to the alternation of stator 2, therefore in comparison, motor will significantly weaken the rotating speed and the torsion of rotor 1 relatively after balancing patch 4 is set.Simultaneously.Induction area between balancing patch 4 and the annular magnet 13 is bigger, the magnetic leakage that causes annular magnet 13 the more, and the rotating speed of rotor 1 and the torsion range of decrease are also bigger.Therefore, the central siphon structure of said motor still is necessary further to be improved.
In view of this, creator in the utility model relies on it to be engaged in the experience and the practice of relevant industries for many years, and through concentrating on studies and developing, create a kind of root edge eventually one becket is set, and a balanceable magnet sheet is set on a pedestal or a circuit board, with correspondence induction becket at a rotor, thereby when rotor rotation, the balanceable magnet sheet can attract becket, to keep the rotor spin balancing, avoids the motor of the annular magnet magnetic leakage of rotor.
Summary of the invention
Main purpose of the present utility model is to provide a kind of motor with spin balancing structure, and this motor can be guaranteed rotation efficiency really, promotes the rotational stability of rotor, and then prolongs the useful life of motor.
The motor that has the spin balancing structure in the utility model includes:
One pedestal;
One stator, this stator is located on the described pedestal, and has a unshakable in one's determination and coil that can produce alternating magnetic field when energising;
One rotor, this rotor are provided with the alternating magnetic field that can respond to described stator, to drive the annular magnet of rotor rotation;
One becket, this becket is located at the root edge of described rotor; And
One is used for constant magnetic rotor becket keeping the balanceable magnet sheet of rotor spin balancing, corresponding described becket of this balanceable magnet sheet and placing on the described pedestal.
Described rotor is provided with a rotor case and a metal valve jacket in addition, and this metal-back is sheathed between described rotor case and the annular magnet, and the root edge of this metal valve jacket extends radially outwardly, and forms described becket at its opening root edge.
In addition, the motor that has the spin balancing structure in the utility model also can include:
One pedestal, this pedestal is provided with a circuit board;
One stator, this stator is located on the described pedestal, and has a unshakable in one's determination and coil that can produce alternating magnetic field after the energising;
One rotor, this commentaries on classics are provided with one can respond to the stator alternating magnetic field to drive the annular magnet of described rotor rotation;
One becket, this becket is located at the root edge of described rotor; And
One is used for constant magnetic rotor becket keeping the balanceable magnet sheet of rotor spin balancing, corresponding becket of this balanceable magnet sheet and placing on the circuit board of described pedestal.
Described balanceable magnet sheet includes several knee-pieces of being made by magnetic material, on the concentric circles of the circuit board that is located on described pedestal of this knee-piece symmetry, and the lower surface of the described becket of corresponding induction.
From the above, the motor that has the spin balancing structure in the utility model is that the root edge at a rotor is provided with a becket, reach a balanceable magnet sheet is set on a pedestal or a circuit board, with correspondence induction becket, this balanceable magnet sheet attracts becket and keeps the spin balancing of rotor, thereby avoid the annular magnet of rotor to produce magnetic leakage, make the motor in the utility model have the effect that increases rotor rotation stability and increase the service life.
This shows that the spin balancing structure in the utility model motor comprises a becket and a balanceable magnet sheet, this becket is located at the root edge of a rotor; The balanceable magnet sheet is located on a pedestal or the circuit board, with correspondence induction becket.The inner ring surface of rotor is provided with an annular magnet in addition, and pedestal can set firmly a stator.The alternating magnetic field that produces when the corresponding stator energising of the annular magnet of rotor and when driving rotor rotation, balanceable magnet sheet can constant magnetic rotor becket, keep the spin balancing of this rotor.
Description of drawings
The specific embodiment of the utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the assembled sectional view that tradition has the motor of spin balancing structure;
Fig. 2 is the exploded perspective view of first embodiment in the utility model;
Fig. 3 is the assembled sectional view of first embodiment in the utility model;
Fig. 4 is the exploded perspective view of second embodiment in the utility model;
Fig. 5 is the assembled sectional view of second embodiment in the utility model;
Fig. 6 is the exploded perspective view of the 3rd embodiment in the utility model;
Fig. 7 is the exploded perspective view of the 4th embodiment in the utility model.
Embodiment
The partial component with spin balancing structure motor in the utility model is identical with the structure of conventional motor shown in Fig. 1, thereby the identical figure number sign of both same sections employings, and its structure and function are not described in detail.
As shown in Figure 2, the motor that has the spin balancing structure among the utility model first embodiment includes a rotor 1, a stator 2, a pedestal 3, a becket 5 and a balanceable magnet sheet 6.Rotor 1 is provided with a rotor case 11, an axostylus axostyle 12, an annular magnet 13 and a metal valve jacket 51.Stator 2 is provided with 21 and one coil 22 unshakable in one's determination.Pedestal 3 is provided with a central siphon 31, a bearing 32 and a circuit board 33.Metal valve jacket 51 is made by permeability magnetic material, for example iron or ferroalloy, and this metal valve jacket 51 is located between rotor case 11 and the annular magnet 13, makes the outer ring surface of annular magnet 13 form long-pending magnetic effect, reduces annular magnet 13 magnetic leakages take place.The root edge of metal valve jacket 51 extends radially outwardly, and forms becket 5 at the opening root edge of rotor 1.This becket 5 is a metal ring plate, has a lower surface.The ring plate of balanceable magnet sheet 6 for making by magnetic material.This balanceable magnet sheet 6 is arranged on the appropriate location of pedestal 3, so a upper surface of balanceable magnet sheet 6 can be suitably corresponding to the lower surface of becket 5.
As shown in Figure 3, when assembling, rotor 1, stator 2 and circuit board 33 are incorporated on the pedestal 3 by central siphon 31, and balanceable magnet sheet 6 is located on circuit board 33 outsides of pedestal 3, so avoid balanceable magnet sheet 6 to be subjected to the covering of circuit board 33, respond in the lower surface of becket 5 with the suitable correspondence of the upper surface of guaranteeing balanceable magnet sheet 6.By this, the becket 5 that the alternating magnetic field that produces when annular magnet 13 induction stators 2 energisings of rotor 1 and when ordering about rotor 1 and rotating, balanceable magnet sheet 6 can constant magnetic rotors 1 is to keep the spin balancing of rotor 1.Owing between balanceable magnet sheet 6 and becket 5, have the magnetic active force, therefore the utility model can avoid annular magnet 13 to produce magnetic leakage (magnetic leakage), make whole magnetic fluxs of annular magnet 13 be used for 1 rotation of induction driving rotor, guarantee that rotor 1 maintains best rotating speed and torsion.
As shown in Figure 4 and Figure 5, the motor that has the spin balancing structure among the utility model second embodiment is compared with first embodiment, and the balanceable magnet sheet 6 among second embodiment is to be located on the circuit board 33 of pedestal 3.By this, the upper surface of this balanceable magnet sheet 6 equally can be suitably corresponding to the lower surface of becket 5.Promptly when rotor 1 rotation, but balanceable magnet sheet 6 magnetic beckets 5, to keep the spin balancing of rotor 1, the annular magnet 13 of guaranteeing rotor 1 does not produce magnetic leakage, and make rotor 1 maintain best rotating speed and torsion, and identical among all the other structures and the embodiment one is not described in detail at this.
As shown in Figure 6, the motor that has the spin balancing structure among the utility model the 3rd embodiment is compared with first and two embodiment, and several knee-pieces that the balanceable magnet sheet 6 ' among the 3rd embodiment is made by magnetic material are formed.The selection of this balanceable magnet sheet 6 ' symmetry is located on the concentric circles of pedestal 3 or circuit board 33, so that the lower surface of corresponding becket 5.By this, when rotor 1 rotation, but balanceable magnet sheet 6 ' same magnetic becket 5, to keep the spin balancing of rotor 1, the annular magnet 13 of guaranteeing rotor 1 does not produce magnetic leakage, make rotor 1 maintain best rotating speed and torsion, and identical among all the other structures and the embodiment one is not described in detail at this.
As shown in Figure 7, the motor that has the spin balancing structure among the utility model the 4th embodiment is compared with first to the 3rd embodiment, and the rotor 1 among the 4th embodiment omits and is provided with metal valve jacket 51, and directly constitutes becket 5 ' by an annular sheet metal.This becket 5 ' can select to be incorporated into by gluing, fastening, spiral shell mode such as establish the opening root edge of rotor 1.By this, when rotor 1 rotation, but balanceable magnet sheet 6 same magnetic beckets 5 ' to keep the spin balancing of this rotor 1, guarantee that the annular magnet 13 of rotor 1 does not produce magnetic leakage, and make rotor 1 maintain best rotating speed and torsion.
In sum, the motor that has the spin balancing structure with tradition shown in Fig. 1 is compared, the utility model is to keep the spin balancing mode by balance magnetic sheet 6 magnetic beckets 5 are set, and has the rotational stability that promotes motor rotor really and prolongs the motor effect in useful life.
In addition; though more than a plurality of preferred embodiments in the utility model are described; but can not be as protection range of the present utility model; promptly should be understood that to those skilled in the art; do not breaking away from variation and the modification that to make equivalence under the design spirit of the present utility model to it; therefore, every not breaking away from the equivalence variation of having done under the design spirit of the present utility model and modification, all should think to fall into protection range of the present utility model.
Claims (11)
1. motor with spin balancing structure is characterized in that: include:
One pedestal;
One stator, this stator is located on the described pedestal, and has a unshakable in one's determination and coil that can produce alternating magnetic field when energising;
One rotor, this rotor are provided with the alternating magnetic field that can respond to described stator, to drive the annular magnet of rotor rotation;
One becket, this becket is located at the root edge of described rotor; And
One is used for constant magnetic rotor becket keeping the balanceable magnet sheet of rotor spin balancing, corresponding described becket of this balanceable magnet sheet and placing on the described pedestal.
2. according to the motor described in the claim 1 with spin balancing structure, it is characterized in that: described rotor is provided with a rotor case and a metal valve jacket in addition, this metal-back is sheathed between described rotor case and the annular magnet, the root edge of this metal valve jacket extends radially outwardly, and forms described becket at its opening root edge.
3. according to the motor with spin balancing structure described in the claim 1, it is characterized in that: the manufacturing materials of described becket is permeability magnetic materials such as iron, ferroalloy.
4. according to the motor described in the claim 1, it is characterized in that: the ring plate of described balanceable magnet sheet for making by magnetic material with spin balancing structure.
5. according to the motor described in the claim 1 with spin balancing structure, it is characterized in that: described balanceable magnet sheet includes several knee-pieces of being made by magnetic material, on the concentric circles that is located on described pedestal of this knee-piece symmetry, and the lower surface of the described becket of corresponding induction.
6. according to the motor described in the claim 1 with spin balancing structure, it is characterized in that: described balanceable magnet sheet includes several knee-pieces of being made by magnetic material, on one concentric circles of a circuit board that is located on described pedestal of this knee-piece symmetry, and the lower surface of the described becket of corresponding induction.
7. the motor with spin balancing structure is characterized in that: include
One pedestal, this pedestal is provided with a circuit board;
One stator, this stator is located on the described pedestal, and has a unshakable in one's determination and coil that can produce alternating magnetic field after the energising;
One rotor, this commentaries on classics are provided with one can respond to the stator alternating magnetic field to drive the annular magnet of described rotor rotation;
One becket, this becket is located at the root edge of described rotor; And
One is used for constant magnetic rotor becket keeping the balanceable magnet sheet of rotor spin balancing, corresponding becket of this balanceable magnet sheet and placing on the circuit board of described pedestal.
8. according to the motor described in the claim 7 with spin balancing structure, it is characterized in that: described rotor is provided with a rotor case and a metal valve jacket in addition, this metal-back is sheathed between rotor case and the annular magnet, the root edge of this metal valve jacket extends radially outwardly, and forms described becket at its opening root edge.
9. according to the motor with spin balancing structure described in the claim 7, it is characterized in that: the manufacturing materials of described becket is permeability magnetic materials such as iron, ferroalloy.
10. according to the motor described in the claim 7, it is characterized in that: the ring plate of described balanceable magnet sheet for making by magnetic material with spin balancing structure.
11. according to the motor described in the claim 7 with spin balancing structure, it is characterized in that: described balanceable magnet sheet includes several knee-pieces of being made by magnetic material, on one concentric circles of the circuit board that is located on described pedestal of this knee-piece symmetry, and the lower surface of the described becket of corresponding induction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277194 CN2641900Y (en) | 2003-07-22 | 2003-07-22 | Motor with rotary balance structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277194 CN2641900Y (en) | 2003-07-22 | 2003-07-22 | Motor with rotary balance structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2641900Y true CN2641900Y (en) | 2004-09-15 |
Family
ID=34302662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03277194 Expired - Lifetime CN2641900Y (en) | 2003-07-22 | 2003-07-22 | Motor with rotary balance structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2641900Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446383C (en) * | 2005-05-18 | 2008-12-24 | 建准电机工业股份有限公司 | Motor structure |
| CN100481675C (en) * | 2005-05-18 | 2009-04-22 | 启原智财科技股份有限公司 | Motor structure |
| CN100481676C (en) * | 2005-05-18 | 2009-04-22 | 建准电机工业股份有限公司 | Motor structure |
| CN102147251A (en) * | 2010-12-29 | 2011-08-10 | 浙江永通纺织印染有限公司 | Device capable of generating planar light beam |
| CN103219810A (en) * | 2012-01-18 | 2013-07-24 | 建准电机工业股份有限公司 | Motor and motor rotor thereof |
| CN107306066A (en) * | 2016-04-22 | 2017-10-31 | 建准电机工业股份有限公司 | Axial induction motor and axial induction fan |
| CN109756070A (en) * | 2017-11-06 | 2019-05-14 | 建准电机工业股份有限公司 | The thin motor easily started up |
-
2003
- 2003-07-22 CN CN 03277194 patent/CN2641900Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446383C (en) * | 2005-05-18 | 2008-12-24 | 建准电机工业股份有限公司 | Motor structure |
| CN100481675C (en) * | 2005-05-18 | 2009-04-22 | 启原智财科技股份有限公司 | Motor structure |
| CN100481676C (en) * | 2005-05-18 | 2009-04-22 | 建准电机工业股份有限公司 | Motor structure |
| CN102147251A (en) * | 2010-12-29 | 2011-08-10 | 浙江永通纺织印染有限公司 | Device capable of generating planar light beam |
| CN103219810A (en) * | 2012-01-18 | 2013-07-24 | 建准电机工业股份有限公司 | Motor and motor rotor thereof |
| CN107306066A (en) * | 2016-04-22 | 2017-10-31 | 建准电机工业股份有限公司 | Axial induction motor and axial induction fan |
| CN107306066B (en) * | 2016-04-22 | 2020-03-17 | 建准电机工业股份有限公司 | Axial induction motor and axial induction fan |
| CN109756070A (en) * | 2017-11-06 | 2019-05-14 | 建准电机工业股份有限公司 | The thin motor easily started up |
| CN109756070B (en) * | 2017-11-06 | 2021-02-02 | 建准电机工业股份有限公司 | Thin motor easy to start |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130722 Granted publication date: 20040915 |