CN1271203A - External-rotor motor with high efficiency, high torque force and firm support - Google Patents
External-rotor motor with high efficiency, high torque force and firm support Download PDFInfo
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- CN1271203A CN1271203A CN 99105821 CN99105821A CN1271203A CN 1271203 A CN1271203 A CN 1271203A CN 99105821 CN99105821 CN 99105821 CN 99105821 A CN99105821 A CN 99105821A CN 1271203 A CN1271203 A CN 1271203A
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Abstract
The external rotor motor includes internal stator, internal stator pedestal, external rotor, external rotor pedestal and its bearing and rotating shaft and bearing. The external rotor pedestal bearing is installed between the external rotor pedestal and the internal stator pedestal to make the opening end of the pedestal change from conventional suspending rotation to bearing support, and this can make the external rotor rotate smoothly without shake. Onto the external rotor pedestal, required fan vanes and other rotating components may be installed to blow airflow or drive transmission mechanism directly via the pedestal.
Description
The present invention relates to the outer-rotor type motor in a kind of electricity field motor, particularly relate to a kind of high efficiency, high torsion, the high external-rotor motor that supports.
See also shown in Figure 17, existing outer-rotor brushless motor, its structure is the cylindrical shape external rotor 71 that is provided with permanent magnet 70, ladle cover is in the outer rim of the columniform internal stator 74 that is provided with magnetizing coil 72 and internal stator yoke 73, set firmly rotating shaft 75 at the wherein center of an end of cylinder type external rotor 71 in addition, this rotating shaft 75 penetrates the internal stator centre bore 76 of internal stator 74 again, and external rotor 71 is able to respect to internal stator 74 rotations.Behind energization excitation, external rotor 71 is just outwards exported required moment of torsion round internal stator 74 rotations.Because external rotor 71 must be centered around the outer rim rotation of internal stator 74, so among the two ends of external rotor 71, have only wherein an end normally to form an end face 71a and supported, an other end then must design form opening 71b, and is unsettled structure.
Because during magnetizing coil 72 energization excitations of internal stator 74, can produce between the permanent magnet 70 existing permanent-magnetic fields of the electromagnetic field that it produced and external rotor 71 and inhale mutually and the reciprocation of repelling, make external rotor 71 be subjected to these two kinds and inhale with the reciprocations of repelling mutually and cause the phenomenon of rocking, and and then induce the problem of vibration because of this kind shaking phenomenon.When rotating speed was high more, centrifugal force was big more, or above-mentioned magnetic field intensity is when powerful more, and aforementioned shaking phenomenon and vibration problem also all can be serious more.Also, just can't produce the outer-rotor type motor that to export high pass filter, high torsion all the time because this problem has caused having from the beginning since the outer-rotor type motor.More because these 'bottleneck' restrictions that can't break through, and the use occasion that causes the outer-rotor type motor still only to rest on low horsepower up to now and hang down torsion, for example: the video disc CD-ROM drive motor of the disc CD-ROM drive motor of the motor of radiator fan, phonograph, soft disc player, the video disc CD-ROM drive motor of Hard Disk Drive, motor of video disc player or the like.The restriction of the technical bottleneck that its external rotor 71 is run on supporting construction still can't break through so far.Because the external rotor pedestal of existing outer-rotor type motor is rendered as between the openend and main basal base of unsettled rotation, and because the reciprocation of armature reaction each other between external rotor magnetic conductor and the internal stator magnetizing coil, the centrifugal force that is produced when adding high speed rotating rocks and problem of unstable so cause whole external rotor to produce.This shows that above-mentioned existing outer-rotor brushless motor still has many defectives, and the assistant officer waits to be improved.
Because the defective that above-mentioned existing outer-rotor brushless motor exists, the inventor is actively studied innovation, through constantly studying, designing based on abundant practical experience and professional knowledge, and after studying sample and improvement repeatedly, create the present invention finally.
Main purpose of the present invention is, overcome the defective that existing outer-rotor brushless motor exists, and provide a kind of high efficiency, high torsion, the high external-rotor motor that supports, make its device external rotor base supports bearing between the external rotor pedestal opening end of outer-rotor type motor and internal stator pedestal, make the openend concentric circles of external rotor pedestal be socketed on this external rotor base supports bearing, this bearing also further is arranged on the internal stator pedestal, can make external rotor rotatably be supported on the internal stator pedestal, thereby whole external rotor can not be rocked reposefully with respect to the internal stator rotation, can thoroughly eliminate because of between external rotor magnetic conductor and the internal stator magnetizing coil because the reciprocation of inhaling mutually and repelling each other each other, the external rotor that centrifugal force caused that is produced when reaching high speed rotating produces and rocks and wild effect, thereby make the outer-rotor type motor obtain steadily firm support and can steadily rotate, and make it can increase substantially the external-rotor motor running efficiency, the output of speed and torsion, further members such as needed fan blade of rotor pedestal on-line equipment or actuated element outside in addition, and can directly agitate air-flow or drive transmission device by the external rotor pedestal.
The objective of the invention is to realize by following technical scheme.A kind of high efficiency, high torsion, the high external-rotor motor that supports according to the present invention proposes is characterized in that it includes internal stator, internal stator pedestal, external rotor, external rotor base supports bearing, motor shaft and rotating shaft spring bearing, wherein:
A, this internal stator, the magnetizing coil that it comprises the internal stator yoke and is set around the internal stator yoke, and be provided with internal stator positioning end corresponding to the internal stator center;
B, this internal stator pedestal, it is provided with the internal stator pedestal positioning end corresponding to axle center of motor (internal stator center), to provide above-mentioned internal stator positioning end to be the combination of joining with one heart, this internal stator pedestal and be provided with one with the concentric bearing positioning end of axle center of motor (internal stator center), this internal stator pedestal further is provided with lead perforation, and the motor external energy is connected with the magnetizing coil of internal stator or the electric binding in control system loop via the lead perforation;
C, this external rotor, ladle cover is in the outer rim of internal stator, and rotate with respect to internal stator, this external rotor comprises the external rotor pedestal, and at least one end of this external rotor pedestal is opening-like, and the inner edge of external rotor pedestal is the fixing year moving usefulness of magnetic conductor that armature reaction is set, this magnetic conductor is with respect to internal stator and the rotation of armature reaction ground magnetic conduction, the outer rim of aforementioned external rotor pedestal directly socket is provided with sets of fan blades, and by external rotor output torque, directly drive fan vane group running;
D, this external rotor base supports bearing, be fixed in the bearing positioning end of above-mentioned internal stator pedestal, and concentric socket is arranged at the openend of external rotor pedestal, make the external rotor pedestal can be very firmly be supported on the bearing positioning end of internal stator pedestal rotatably, thoroughly solve external rotor and rock because of rotary centrifugal force and the caused rotation of armature effect;
E, this motor shaft, concentric circles wears an end that is arranged at the external rotor pedestal at least, and its interior section that is set in the external rotor pedestal is inner rotating shaft end, and the exterior section that is set in the external rotor pedestal then is outside rotating shaft end;
F, this rotating shaft spring bearing be to support the inner rotating shaft of said motor, and jointly external rotor are firmly supported with above-mentioned external rotor base supports bearing, make external rotor can not rock corresponding to the armature reaction of internal stator, and magnetic conduction rotation is firmly supported.
Purpose of the present invention also can further realize by following technical measures.Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, it also comprises a bearing pedestal, this bearing pedestal is an other end that is passed internal stator by screw, and further lock on the internal stator pedestal, this bearing pedestal is to be provided with an other bearing to be installed in wherein, and supports for aforesaid inner rotating shaft end.
Purpose of the present invention also can be realized by following technical scheme.A kind of high efficiency, high torsion, the high external-rotor motor that supports according to the present invention proposes is characterized in that it includes internal stator, internal stator pedestal, external rotor, external rotor base supports bearing, motor shaft and rotating shaft spring bearing, wherein:
A, this internal stator, it comprises internal stator yoke and the winding magnetizing coil at the internal stator yoke, and is provided with the internal stator positioning end corresponding to the internal stator center;
B, this internal stator pedestal, be provided with the internal stator pedestal positioning end of corresponding axle center of motor, to provide above-mentioned internal stator positioning end to be the combination of joining with one heart, the internal stator pedestal and set up one with the concentric bearing positioning end of axle center of motor (internal stator center), the internal stator pedestal further is provided with lead perforation, makes the motor external control signal can be via the lead perforation and the perforation that is electrically connected of internal stator magnetizing coil or control loop;
C, this external rotor, its ladle cover is in the internal stator outer rim, rotate with respect to internal stator, this external rotor comprises the external rotor pedestal, and at least one end of this external rotor pedestal is opening-like, and the inner edge of external rotor pedestal provides fixing the carrying of magnetic conductor of armature reaction and moves, this magnetic conductor is with respect to internal stator and the rotation of armature reaction ground magnetic conduction, the outer rim of aforementioned external rotor pedestal (shell) is the socket transmission mechanism directly, and by external rotor output torque, directly drives the actuated element of driving belt, driving chain class etc.;
D, this external rotor base supports bearing, it is fixed in the bearing positioning end of above-mentioned internal stator pedestal, and concentric locking collar is connected on the openend of external rotor pedestal, make the external rotor pedestal can be very firmly be supported on the bearing positioning end of internal stator pedestal rotatably, thoroughly solve external rotor and rock because of rotary centrifugal force and the caused rotation of armature effect;
E, this motor shaft, it answers concentric circles to wear an end of external rotor pedestal at least, is set on the external rotor base interior and partly is inner rotating shaft end, and being set on external rotor pedestal exterior section is outside rotating shaft end;
F, this rotating shaft spring bearing, for supporting the inner rotating shaft of said motor and jointly external rotor firmly being supported with above-mentioned external rotor base supports bearing, make external rotor can not rock corresponding to the armature reaction of internal stator, and magnetic conduction rotation is firmly supported.
Purpose of the present invention also can further realize by following technical measures.Aforesaid high efficiency, high torsion, the high external-rotor motor that supports, it further comprises a bearing pedestal, this bearing pedestal is an other end that passes internal stator with screw, and further lock on the internal stator pedestal, this bearing pedestal is to be installed in wherein for an other rotating shaft spring bearing, and provides aforesaid inner rotating shaft end to support.
The present invention compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, high efficiency of the present invention, high torsion, the high external-rotor motor that supports are because of external rotor support force deficiency at the outer-rotor type motor.Cause the outer-rotor type motor can't be applied to high efficiency, high pass filter, high torsion, problem in the high-revolving field of motors, between the external rotor portion of outer-rotor type motor unsettled openend and internal stator, because of between external rotor magnetic conductor and the internal stator magnetizing coil because the reciprocation of armature reaction each other, and the factors such as centrifugal force that produced during because of high speed rotating, and external rotor is produced rock and the steady problem of phenomenon not, it mainly is a device external rotor base supports bearing between the external rotor pedestal of outer-rotor type motor and internal stator pedestal, make the openend of the original unsettled rotation of external rotor pedestal that steadily firm bearings is provided, can thoroughly eliminate because of between external rotor magnetic conductor and the internal stator magnetizing coil because factors such as centrifugal force that produced when the reciprocation of armature reaction and high speed rotating each other, and being produced, rocks and not steady phenomenon external rotor, make the outer-rotor type motor can obtain steadily firm support, and can rotate stably.And further members such as needed fan blade of rotor pedestal on-line equipment or actuated element outside can directly be agitated air-flow or drive transmission device by the external rotor pedestal.
High efficiency of the present invention, high torsion, the high external-rotor motor that supports, it mainly is a device external rotor base supports bearing between the openend of the external rotor pedestal of outer-rotor type motor and internal stator pedestal, the openend that makes the external rotor pedestal is that concentric locking collar is connected to this external rotor base supports bearing, this bearing also further is arranged on the internal stator pedestal, so that external rotor rotatably is supported on the internal stator pedestal, thereby whole external rotor can not rocked reposefully with respect to the internal stator rotation.Therefore the present invention has following design feature and effect thereof:
1, can thoroughly eliminate because of between external rotor magnetic conductor and the internal stator magnetizing coil because the centrifugal force of inhaling mutually each other and being produced when the reciprocation of repelling each other and external-rotor motor rotation, the external rotor that is caused produces and rocks and not steady phenomenon, thereby make the outer-rotor type motor from then on obtain steadily firm support, and can rotate reposefully.
2, the centrifugal force that is produced in the time of can thoroughly eliminating external rotor because of high speed rotating causes the external rotor generation to be rocked and oscillation phenomenon.
3, well-known, motor will have high efficiency, high torsion, high pass filter, high-revolving running and output, then must support stably to be arranged firmly motor shaft, and via enforcement of the present invention, it can provide external rotor portion high-intensity support, therefore external-rotor motor can design without restriction and be used in high efficiency, high torsion, high pass filter, the high-revolving field of motors, and can increase substantially the output of running efficiency, speed and the torsion of external-rotor motor.
4, the present invention's member such as needed fan blade of rotor pedestal on-line equipment or actuated element outside be agitated air-flow or drive transmission device and can directly see through the external rotor pedestal.
In sum, the present invention is device external rotor base supports bearing between the external rotor pedestal opening end of outer-rotor type motor and internal stator pedestal mainly, make the openend concentric circles of external rotor pedestal be socketed on this external rotor base supports bearing, this bearing also further is arranged on the internal stator pedestal, make external rotor rotatably be supported on the internal stator pedestal, thereby whole external rotor can not be rocked reposefully with respect to the internal stator rotation, can thoroughly eliminate because of between external rotor magnetic conductor and the internal stator magnetizing coil because the reciprocation of inhaling mutually and repelling each other each other, the external rotor that centrifugal force caused that is produced when reaching high speed rotating produces and rocks and wild effect, thereby make the outer-rotor type motor can obtain steadily firm support, and can steadily rotate.As everyone knows, motor will have high efficiency, high torsion, high rotation speed operation and output, and motor shaft must have firmly support stably, via enforcement of the present invention, can make the output of its running efficiency that can increase substantially external-rotor motor, speed and torsion.The present invention is members such as needed fan blade of rotor pedestal on-line equipment or actuated element outside further, agitate air-flow or drive transmission device so that can directly see through the external rotor pedestal.No matter it structurally or bigger improvement is all arranged on the function, and produced handy and practical excellent results, and have the effect of enhancement really, thereby be suitable for practicality more, really is a new and innovative, progressive, practical new design.
Concrete structure of the present invention is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is the exploded perspective view of first embodiment of the invention.
Fig. 2 is the combining structure stereogram of first embodiment of the invention.
Fig. 3 is the profile of A-A hatching line among Fig. 2.
Fig. 4 is the enlarged drawing of Fig. 3.
Fig. 5 is the exploded perspective view of second embodiment of the invention.
Fig. 6 is the combining structure stereogram of second embodiment of the invention.
Fig. 7 is the profile of B-B hatching line among Fig. 6.
Fig. 8 is the exploded perspective view of third embodiment of the invention.
Fig. 9 is the combining structure stereogram of third embodiment of the invention.
Figure 10 is the profile of C-C hatching line among Fig. 9.
Figure 11 is the profile of D-D hatching line among Figure 10.
Figure 12 is the profile of E-E hatching line among Figure 10.
Figure 13 is the enlarged drawing of Figure 10.
Figure 14 is the profile of fourth embodiment of the invention.
Figure 15 is the profile of fifth embodiment of the invention.
Figure 16 is the profile of sixth embodiment of the invention.
Figure 17 is the profile of existing external rotor brushless motor.
Below in conjunction with accompanying drawing and preferred embodiment, to high efficiency, high torsion, high its concrete structure of external-rotor motor, feature and the effect thereof that supports that foundation the present invention proposes, describe in detail as after.
See also Fig. 1 to shown in Figure 4, it is the first embodiment of the present invention, high efficiency of the present invention, high torsion, the high external-rotor motor 20 that supports, it comprises basic main member such as internal stator 21, external rotor 22, external rotor base supports bearing 23, motor shaft 24, rotating shaft spring bearing 25, sets of fan blades 46 and transmission mechanism 47, wherein:
This internal stator 21, the magnetizing coil 28 that it comprises internal stator yoke 27 and is set around internal stator yoke 27, and should be provided with internal stator positioning end 26a and internal stator pedestal positioning end 36 corresponding to internal stator 21 centers.
This internal stator pedestal 26, it is provided with the internal stator pedestal positioning end 36 corresponding to motor center, is the combination of joining with one heart so that above-mentioned internal stator positioning end 26a to be provided, internal stator pedestal 26 and be provided with one with the concentric bearing positioning end 48 of axle center of motor (internal stator center).Internal stator pedestal 26 further is provided with lead perforation 33, and the motor external energy is connected with the magnetizing coil 28 of internal stator 21 or the electric binding of control system via lead perforation 33, and for example electric wire 34 promptly enters motor inside via lead perforation 33.
This external rotor 22, its ladle cover is in internal stator 21 outer rims, and with respect to internal stator 21 rotations, this external rotor 22 comprises external rotor pedestal 29, these external rotor pedestal 29 at least one ends are for being openend 31, the armature magnetic conductor 30 that armature reaction is set is fixing to carry moving usefulness to the inner edge of external rotor pedestal 29 in order to provide, and this armature magnetic conductor 30 is with respect to internal stator 21 and armature reaction ground magnetic conduction rotates.
This external rotor base supports bearing 23, it is fixed in the bearing positioning end 48 of above-mentioned internal stator pedestal 26, and concentric socket is arranged at the openend 31 of external rotor pedestal 29, make external rotor pedestal 29 can be very firmly be supported on the spring bearing positioning end 48 of internal stator pedestal 26 rotatably, rock because of rotary centrifugal force and the caused rotation of armature effect and can thoroughly solve external rotor 22.
This motor shaft 24 answers concentric circles to wear to be arranged at an end of external rotor pedestal 29 at least, and its interior section that is set in external rotor pedestal 29 is that inner rotating shaft end 24a is (as Fig. 3, Fig. 4, Fig. 7.Figure 13, Figure 14, Figure 15, shown in Figure 16), the exterior section that is set in external rotor pedestal 29 then is outside rotating shaft end 24b (as Figure 10, Figure 13, Figure 14, Figure 15 and shown in Figure 16).
See also Fig. 3, Fig. 4, Figure 10, Figure 13, Figure 14, Figure 15 and shown in Figure 16, this rotating shaft spring bearing 25, it is for supporting said motor rotating shaft 24, and jointly external rotor 22 is firmly being supported with above-mentioned external rotor base supports bearing 23, make external rotor 22 can not rock corresponding to the armature reaction of internal stator 21, and magnetic conduction rotation is stably supported.
See also Fig. 1 to shown in Figure 4, the outer rim (shell) of aforementioned external rotor pedestal 29 structures can directly socket sets of fan blades 46, and by external rotor 22 output torques, direct drive fan blade movements.
Seeing also Fig. 5 to shown in Figure 7, is second embodiment of the invention, and the outer rim (shell) of aforementioned external rotor pedestal 29 structures directly socket is provided with transmission mechanism 47, and by external rotor 22 output torques, directly drives the actuated element of driving belt, driving chain class etc.
See also shown in Figure 16, it is sixth embodiment of the invention, high efficiency of the present invention, high torsion, the high external-rotor motor 20 that supports, it further comprises a bearing pedestal 41, this bearing pedestal 41 is the other ends that pass internal stator 21 by screw 42, and further locking is on internal stator pedestal 26, and this bearing pedestal 41 is installed in wherein for supplying an other rotating shaft spring bearing 25, and provides aforesaid inner rotating shaft end 24a to support.
See also shown in Figure 14, it is fourth embodiment of the invention, when when motor is big external diameter, aforementioned external rotor base supports bearing 23 structures can comprise that at least three commentaries on classics are located at the roller 45 on the internal stator pedestal 26, and these rollers 45 be positioned at the concentric rotation round position of external rotor pedestal 29 and motor shaft 24 on, these rollers 45 can be ball or roller bearing, also can be roller, these rollers 45 are to roll inner edge or the outer rim that is connected on external rotor pedestal 29 openends 31, make whole external rotor 22 can be steadily under the stable support of these rollers 45 high speed rotating securely, and can not rock.
See also shown in Figure 15, it is fifth embodiment of the invention, when motor is the condition of non-high torsion running, wherein aforesaid external rotor base supports bearing 23, it comprises that a circle is installed in the self-lubricating bearing circle 40 of the bearing positioning end 48 of aforementioned internal stator pedestal 26, this self-lubricating bearing circle 40 is inner edge or outer rims that switching is arranged on external rotor pedestal 29 openends 31, whole external rotor 22 can be rotated under the stable support of this self-lubricating bearing circle 40 reposefully, and can not rock.
Seeing also Fig. 7, Figure 10, Figure 13, Figure 14 and shown in Figure 15, is second, third and the 5th embodiment of the present invention, and rotating shaft spring bearing 25 can be arranged on the center circle end of internal stator 21, and serves as to support rotation with aforementioned inner rotating shaft end 24a.
See also Fig. 3, Fig. 4 and shown in Figure 16, motor shaft 24 can wear the inside of external rotor pedestal 29, and passed from the internal stator centre bore 35 of internal stator yoke 27, and it thinks concentric support by the rotating shaft spring bearing 25 of the end that is installed in internal stator pedestal 26 again.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (4)
1, a kind of high efficiency, high torsion, the high external-rotor motor that supports is characterized in that it includes internal stator, internal stator pedestal, external rotor, external rotor base supports bearing, motor shaft and rotating shaft spring bearing, wherein:
A, this internal stator, the magnetizing coil that it comprises the internal stator yoke and is set around the internal stator yoke, and be provided with internal stator positioning end corresponding to the internal stator center;
B, this internal stator pedestal, it is provided with the internal stator pedestal positioning end corresponding to axle center of motor (internal stator center), to provide above-mentioned internal stator positioning end to be the combination of joining with one heart, this internal stator pedestal also is provided with a bearing positioning end concentric with axle center of motor, this internal stator pedestal further is provided with lead perforation, and the motor external energy is connected with the magnetizing coil of internal stator or the electric binding in control system loop via the lead perforation;
C, this external rotor, ladle cover is in the outer rim of internal stator, and rotate with respect to internal stator, this external rotor comprises the external rotor pedestal, and at least one end of this external rotor pedestal is opening-like, and the inner edge of external rotor pedestal is that fixing the carrying of magnetic conductor that armature reaction is set moved, this magnetic conductor is with respect to internal stator and the rotation of armature reaction ground magnetic conduction, the outer rim of aforementioned external rotor pedestal directly socket is provided with sets of fan blades, and by external rotor output torque, directly drive fan vane group running;
D, this external rotor base supports bearing are fixed in the bearing positioning end of above-mentioned internal stator pedestal, and socket is arranged at the openend of external rotor pedestal with one heart, makes the external rotor pedestal very firmly be supported on the bearing positioning end of internal stator pedestal rotatably;
E, this motor shaft, concentric circles wears an end that is arranged at the external rotor pedestal at least, and its interior section that is set in the external rotor pedestal is inner rotating shaft end, and the exterior section that is set in the external rotor pedestal then is outside rotating shaft end;
F, this rotating shaft spring bearing be to support the inner rotating shaft of said motor, and jointly external rotor are firmly supported with above-mentioned external rotor base supports bearing, make external rotor can not rock corresponding to the armature reaction of internal stator, and magnetic conduction rotation is firmly supported.
2, high efficiency according to claim 1, high torsion, the high external-rotor motor that supports, it is characterized in that it also comprises a bearing pedestal, this bearing pedestal is an other end that is passed internal stator by screw, and further lock on the internal stator pedestal, this bearing pedestal is to be provided with an other bearing to be installed in wherein, and supports for aforesaid inner rotating shaft end.
3, a kind of high efficiency, high torsion, the high external-rotor motor that supports is characterized in that it includes internal stator, internal stator pedestal, external rotor, external rotor base supports bearing, motor shaft and rotating shaft spring bearing, wherein:
A, this internal stator, it comprises internal stator yoke and the winding magnetizing coil at the internal stator yoke, and is provided with the internal stator positioning end corresponding to the internal stator center;
B, this internal stator pedestal, be provided with the internal stator pedestal positioning end of corresponding axle center of motor, be the combination of joining with one heart for above-mentioned internal stator positioning end, the internal stator pedestal and set up one with the concentric bearing positioning end of axle center of motor (internal stator center), the internal stator pedestal further is provided with lead perforation, makes the motor external control signal can be via the lead perforation and the perforation that is electrically connected of internal stator magnetizing coil or control loop;
C, this external rotor, its ladle cover is in the outer rim of internal stator, rotate with respect to internal stator, this external rotor comprises the external rotor pedestal, and at least one end of this external rotor pedestal is opening-like, and the inner edge of external rotor pedestal is that fixing the carrying of magnetic conductor of power supply pivot reaction moved, this magnetic conductor is with respect to internal stator and the rotation of armature reaction ground magnetic conduction, the outer rim of aforementioned external rotor pedestal (shell) is the socket transmission mechanism directly, and by external rotor output torque, directly drives the actuated element of driving belt, driving chain class etc.;
D, this external rotor base supports bearing, it is fixed in the bearing positioning end of above-mentioned internal stator pedestal, and concentric locking collar is connected on the openend of external rotor pedestal, the very firm bearing positioning end that is supported on the internal stator pedestal rotatably of external rotor pedestal;
E, this motor shaft, it answers concentric circles to wear an end of external rotor pedestal at least, is set on the external rotor base interior and partly is inner rotating shaft end, and being set on external rotor pedestal exterior section is outside rotating shaft end;
F, this rotating shaft spring bearing be to support the inner rotating shaft of said motor, and jointly external rotor are firmly being supported with above-mentioned external rotor base supports bearing, make external rotor can not rock corresponding to the armature reaction of internal stator, and magnetic conduction rotation is firmly supported.
4, high efficiency according to claim 3, high torsion, the high external-rotor motor that supports, it is characterized in that it further comprises a bearing pedestal, this bearing pedestal passes an other end of internal stator with screw, and further lock on the internal stator pedestal, this bearing pedestal is to be installed in wherein for an other rotating shaft spring bearing, and supports for aforesaid inner rotating shaft end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99105821 CN1271203A (en) | 1999-04-20 | 1999-04-20 | External-rotor motor with high efficiency, high torque force and firm support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99105821 CN1271203A (en) | 1999-04-20 | 1999-04-20 | External-rotor motor with high efficiency, high torque force and firm support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1271203A true CN1271203A (en) | 2000-10-25 |
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ID=5272145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99105821 Pending CN1271203A (en) | 1999-04-20 | 1999-04-20 | External-rotor motor with high efficiency, high torque force and firm support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1271203A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016076849A1 (en) * | 2014-11-12 | 2016-05-19 | Kress Motors, LLC | Down-hole roto-linear actuator |
| CN107959395A (en) * | 2016-10-18 | 2018-04-24 | 李查启学 | Multi-turn dish-type power motor |
| US11437900B2 (en) * | 2019-12-19 | 2022-09-06 | Black & Decker Inc. | Modular outer-rotor brushless motor for a power tool |
-
1999
- 1999-04-20 CN CN 99105821 patent/CN1271203A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016076849A1 (en) * | 2014-11-12 | 2016-05-19 | Kress Motors, LLC | Down-hole roto-linear actuator |
| CN107959395A (en) * | 2016-10-18 | 2018-04-24 | 李查启学 | Multi-turn dish-type power motor |
| CN107953774A (en) * | 2016-10-18 | 2018-04-24 | 李查启学 | Energy-saving automobile |
| CN107953774B (en) * | 2016-10-18 | 2020-02-21 | 李查启学 | Energy-saving automobile |
| US11437900B2 (en) * | 2019-12-19 | 2022-09-06 | Black & Decker Inc. | Modular outer-rotor brushless motor for a power tool |
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