CN203312943U - Motor rotor structure and rotor iron core thereof - Google Patents
Motor rotor structure and rotor iron core thereof Download PDFInfo
- Publication number
- CN203312943U CN203312943U CN2013201434386U CN201320143438U CN203312943U CN 203312943 U CN203312943 U CN 203312943U CN 2013201434386 U CN2013201434386 U CN 2013201434386U CN 201320143438 U CN201320143438 U CN 201320143438U CN 203312943 U CN203312943 U CN 203312943U
- Authority
- CN
- China
- Prior art keywords
- rotor core
- groove
- rotor
- motor rotor
- core
- 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
Links
Images
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Disclosed is a motor rotor structure used for driving a function part to rotate and at least one bump is arranged on the function part. The motor rotor structure includes a rotor iron core and a plurality of magnets. The rotor iron core is circular-ring-shaped and provided with a plurality of through holes which are arrayed surrounding the rotor iron core. Moreover, the rotor iron core is provided with at least one first groove which is formed through sinking from an outer ring edge and the grooves are combined with the at least one bump. And an inner ring edge of the rotor iron core is provided with a plurality of second grooves which are formed through sinking from the inner ring edge. The magnets are positioned in the through holes respectively.
Description
Technical field
The utility model is to be applied to motor, refers to especially motor rotor Motor rotor structure and rotor core thereof that a kind of external-rotor motor is used.
Background technology
Refer to Fig. 1, be current modal external-rotor motor, it includes a stator structure 60, is located at the outer rotor structure 70 of this stator structure 60.In general, this stator structure 60 is a drive coil (not shown), in order to receive electric energy, produces predetermined magnetic field.70 of this rotor structures include in the form of a ring rotor core 72, a plurality of magnet 74 and an actuating member 76.Wherein, on this rotor core 72, have a plurality of perforation 721 around these rotor core 72 arrangements, and described perforation 721 is respectively on the interior ring edge of this rotor core 72, forming an opening 722.Described magnet 74 lays respectively in respectively this perforation 721.76 of this actuating members are located at this rotor core 72 outer ring edges, and with these rotor core 72 combinations.And under different status of implementations, this actuating member 76 can have different outward appearances and structure (as wheel frame, fan etc.) on demand.Thus, when stator structure 60 receives electric energy and while producing magnetic field, will make described magnet 74 be subjected to the magneticaction in magnetic field and drive this rotor core 72 and rotate, and then synchronously drive this actuating member 76 and rotate.In addition, by aforesaid this rotor core 72, encircle in the inner the design of the described opening 722 on edge, the waveform of the back-emf produced in the time of can effectively making aforesaid external-rotor motor running can be comparatively smooth-going, to reach the effect of the start and stop torque that reduces motor.
Yet, though the waveform of the back-emf that the structural design of aforesaid rotor core 72 produces in the time of can making aforesaid external-rotor motor running can be comparatively smooth-going, but the structure of encircling in the inner a plurality of openings 722 of edge will make the structural strength of rotor core 72 reduce, while causing assembling or making, rotor core 72 easily produces distortion because of external force, cause this actuating member 76 to be difficult to and 72 combinations of this rotor core, and then reduce the yield of assembling, and can significantly increase the difficulty of assembling.
The utility model content
In view of this, the utility model main purpose is to provide a motor rotor Motor rotor structure and rotor core thereof, has preferably structural strength, while making assembling or making, rotor core is not easy because external force produces distortion, and then increases the yield of assembling, and can significantly reduce the difficulty of assembling.
Edge has been reached above-mentioned purpose, and the motor rotor Motor rotor structure that the utility model provides rotates in order to drive an actuating member, and on this actuating member, has at least one projection; This motor rotor Motor rotor structure includes a rotor core and a plurality of magnet; This rotor core is to be circular, and has a plurality of perforation of sealing around this rotor core arrangement; In addition, on this rotor core, has at least one the first groove be recessed to form from outer ring edge, and be combined with this at least one projection: moreover, this rotor core has a plurality of the second grooves that are recessed to form from its interior ring edge, and respectively this second groove on this interior ring edge with respect to the position between two adjacent this sealing perforation; Described magnet lays respectively in respectively this perforation.
Wherein, respectively the groove width of this second groove is less than the groove width of this first groove.
Wherein, respectively this sealing shape of boring a hole on the radial section of this rotor core is to be polygon, and its limit number is not less than 4.
Wherein, respectively this place, the second groove position equates with the distance between two adjacent sealings are bored a hole.
Wherein, this rotor core is to be formed by connecting by a plurality of sub-iron cores, and respectively a side of this sub-iron core has a projection, and opposite side has a groove and uses for the projection of another sub-iron core, being combined.
According to above-mentioned design, the utility model also provides a kind of structure of rotor core, is to be circular, it is characterized in that, on this rotor core, has a plurality of perforation of sealing around this rotor core arrangement; In addition, on this rotor core, have a plurality of the first grooves that are recessed to form from its outer ring edge, respectively the position of this first groove between boring a hole with respect to two these adjacent sealings on this outer ring edge; Moreover this rotor core has a plurality of the second grooves that are recessed to form from its interior ring edge, and respectively this second groove on this interior ring edge with respect to the position between two adjacent this sealing perforation.
Wherein, respectively the groove width of this second groove is less than the respectively groove width of this first groove.
Wherein, respectively this sealing shape of boring a hole on the radial section of this rotor core is to be polygon, and its limit number is not less than 4.
Wherein, respectively this place, the second groove position equates with the distance between two adjacent sealings are bored a hole.
Wherein, rotor core is to be formed by connecting by a plurality of sub-iron cores, and respectively a side of this sub-iron core has a projection, and opposite side has a groove and uses for the projection of another sub-iron core, being combined.
The beneficial effects of the utility model are, it can make rotor core have preferably structural strength, and while making motor rotor Motor rotor structure and assembling or making, its rotor core is not easy to produce distortion because of external force, and then increase the yield of assembling, and can significantly reduce the difficulty of assembling.
The accompanying drawing explanation
For being illustrated more clearly in the utility model, below in conjunction with preferred embodiment and coordinate accompanying drawing to be described in detail as follows, wherein:
Fig. 1 is the structure chart of existing motor rotor Motor rotor structure;
Fig. 2 is the structure chart of the motor rotor Motor rotor structure of the first embodiment;
Fig. 3 is the structure chart after the rotor core of the first embodiment amplifies;
Fig. 4 is the structure chart of the rotor core of the second embodiment;
Fig. 5 is the structure chart of the rotor core of the 3rd embodiment.
Embodiment
Refer to Fig. 2 and Fig. 3, be the external-rotor motor of the motor rotor Motor rotor structure 10 that uses the utility model the first preferred embodiment, it includes the motor rotor Motor rotor structure an of stator structure 20 and the present embodiment.In the present embodiment, this stator structure 20 is a drive coil (not shown), and is fixedly installed on a fixed object, in order to receive electric energy, produces predetermined alternating magnetic field, and its detailed construction belongs to prior art, repeats no more in this appearance.This motor rotor Motor rotor structure 10 rotates in order to drive an actuating member 14, and this actuating member 14 is to take turns frame in the present embodiment, is to be on ring-like and its interior ring edge to have a plurality of projections from the interior ring edge projection 141, and arranges along these actuating member 14 interior ring edges 14.This motor rotor Motor rotor structure includes in the form of a ring rotor core 12 and an a plurality of magnet 16.Wherein:
This rotor core 12 is to be circular.This rotor core 12 has a plurality of sealing perforation 121 around these rotor core 12 arrangements, and respectively the shape of this sealing perforation 121 on the radial section of this rotor core 12 is to be quadrangle, and in the present embodiment, is to be long rectangle, but not as limit.In addition, on the outer ring edge of this rotor core 12, have a plurality of the first grooves 122 that are recessed to form from outer ring edge, and respectively this first groove 122 on this outer ring edge with respect to the position between two adjacent this sealing perforation 121.Moreover, this rotor core 12 has a plurality of the second grooves 123 that are recessed to form from this interior ring edge, respectively this second groove 123 on this interior ring edge with respect to the position between two adjacent this sealing perforation 121, and with the distance B of 121 of adjacent two perforation, equate and meet following condition:
(1)H2＜H1；(2)W2＜W1；
Wherein, H1 is the groove depth of this first groove 122; H2 is the groove depth of this second groove 123; W1 is the groove width of this first groove 122; W2 is the groove width of this second groove 123.
Described magnet 16 is to be long rectangle, and is arranged at respectively in respectively this sealing perforation 121 in the staggered mode of magnetic.
Thus, when stator structure 20 receives electric energy and while producing alternating magnetic field, will make described magnet 16 be subjected to the magneticaction of alternating magnetic field and drive this rotor core 12 and rotate, and then synchronously drive this actuating member 14 and rotate.In addition, by aforesaid this core structure 12, encircle in the inner the design of described the second groove 123 on edge, the waveform of the back-emf produced in the time of can effectively making aforesaid external-rotor motor running can be comparatively smooth-going, the effect of the start and stop torque while turning round to reach the reduction external-rotor motor.
In addition, in previous embodiment, this stator structure 20 can produce a little loss because passing through rotor core 12 with the part magnetic force of described magnet 16, and can't have the leakage field phenomenon to produce with avoiding.Refer to Fig. 4, for improving as much as possible above-mentioned leakage field situation, be the rotor core 32 that is designed with the present invention's the second preferred embodiment, it has a plurality of the first grooves 322 and the second groove 323 equally, its detailed design structure is identical with previous embodiment, repeats no more in this appearance.And be that with the previous embodiment difference shape of respectively this sealing perforation 321 on the radial section of this rotor core 32 on this rotor core 32 is to be hexagon.Thus, the change of sealing perforation 321 shapes by this rotor core 32, the leakage field phenomenon in the time of can reducing magnetic force by rotor core, the waveform of the back-emf produced while making the external-rotor motor running can be more smooth-going.
In addition, except said structure, refer to Fig. 5, rotor core 40 of the present utility model also can utilize a plurality of sub-iron cores 42 to be formed by connecting, and it is more firm when this sub-iron core 42 is connected, respectively a side of this sub-iron core 42 has a projection 421, and on an opposite side, has a groove 422, this groove 422 is projection 421 combinations of using for another sub-iron core 42, can be more firm while when described sub-iron core 42, to be connected, being connected into rotor core 40, and then make this rotor core 40 have preferably combined strength.
Above explanation is only the utility model preferred embodiment, and the equivalent structure that other every application the utility model specifications and claim are done changes, and ought to be included in claim scope of the present utility model.
Claims (10)
1. a motor rotor Motor rotor structure, rotate in order to drive an actuating member, and on this actuating member, have at least one projection; It is characterized in that, this motor rotor Motor rotor structure includes:
One rotor core, be circular; On this rotor core, have a plurality of perforation of sealing around this rotor core arrangement; In addition, on this rotor core, has at least one the first groove be recessed to form from outer ring edge, and be combined with this at least one projection: moreover, this rotor core has a plurality of the second grooves that are recessed to form from interior ring edge, respectively the position of this second groove between boring a hole with respect to two these adjacent sealings on this interior ring edge; And
A plurality of magnet, lay respectively in respectively this sealing perforation.
2. motor rotor Motor rotor structure according to claim 1, is characterized in that, wherein, respectively the groove width of this second groove is less than the groove width of this first groove.
3. motor rotor Motor rotor structure according to claim 1, is characterized in that, wherein, respectively this sealing shape of boring a hole on the radial section of this rotor core is polygon, and its limit number is not less than 4.
4. motor rotor Motor rotor structure according to claim 1, is characterized in that, wherein, respectively this place, the second groove position equates with the distance between two adjacent sealings are bored a hole.
5. motor rotor Motor rotor structure according to claim 1, is characterized in that, wherein, this rotor core is formed by connecting by a plurality of sub-iron cores, and respectively a side of this sub-iron core has a projection, and opposite side has a groove and uses for the projection of another sub-iron core, being combined.
6. a rotor core, be to be circular, it is characterized in that, on this rotor core, has a plurality of perforation of sealing around this rotor core arrangement; In addition, this rotor core has a plurality of the first grooves that are recessed to form from its outer ring edge, and respectively this first groove on this outer ring edge with respect to the position between two adjacent this sealing perforation; Moreover this rotor core has a plurality of the second grooves that are recessed to form from its interior ring edge, and respectively this second groove on this interior ring edge with respect to the position between two adjacent this sealing perforation.
7. rotor core according to claim 6, is characterized in that, wherein, respectively the groove width of this second groove is less than the respectively groove width of this first groove.
8. rotor core according to claim 6, it is characterized in that, in, respectively this sealing shape of boring a hole on the radial section of this rotor core is polygon, and its limit number is not less than 4.
9. rotor core according to claim 6, is characterized in that, wherein, respectively this place, the second groove position equates with the distance between two adjacent sealings are bored a hole.
10. rotor core according to claim 6, is characterized in that, by a plurality of sub-iron cores, be formed by connecting, and respectively a side of this sub-iron core has a projection, and opposite side has a groove and uses for the projection of another sub-iron core, being combined.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102205255U TWM473641U (en) | 2013-03-21 | 2013-03-21 | Motor rotor structure and its rotor iron core |
| CN2013201434386U CN203312943U (en) | 2013-03-21 | 2013-03-27 | Motor rotor structure and rotor iron core thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102205255U TWM473641U (en) | 2013-03-21 | 2013-03-21 | Motor rotor structure and its rotor iron core |
| CN2013201434386U CN203312943U (en) | 2013-03-21 | 2013-03-27 | Motor rotor structure and rotor iron core thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312943U true CN203312943U (en) | 2013-11-27 |
Family
ID=54271996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201434386U Expired - Fee Related CN203312943U (en) | 2013-03-21 | 2013-03-27 | Motor rotor structure and rotor iron core thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203312943U (en) |
| TW (1) | TWM473641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169823A (en) * | 2016-07-08 | 2016-11-30 | 宁波欣达电梯配件厂 | A kind of rotor sheet of permanent magnet motor assembly unit and assembled rotor |
-
2013
- 2013-03-21 TW TW102205255U patent/TWM473641U/en not_active IP Right Cessation
- 2013-03-27 CN CN2013201434386U patent/CN203312943U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169823A (en) * | 2016-07-08 | 2016-11-30 | 宁波欣达电梯配件厂 | A kind of rotor sheet of permanent magnet motor assembly unit and assembled rotor |
| CN106169823B (en) * | 2016-07-08 | 2018-10-30 | 宁波欣达电梯配件厂 | A kind of rotor sheet of permanent magnet motor assembled rigid unit and assembled rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM473641U (en) | 2014-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20130038161A1 (en) | Permanent magnet rotor | |
| EP2808980A3 (en) | Motor | |
| WO2013032401A8 (en) | High torque, low inertia direct drive motor | |
| CN204316210U (en) | The permagnetic synchronous motor of a kind of rotor and application thereof | |
| CN204858787U (en) | Rotor punching and permanent -magnet machine who uses thereof | |
| WO2008069360A3 (en) | Motor | |
| CN106787559A (en) | A kind of electric automobile drives permanent-magnetic synchronous motor rotor | |
| CN203312943U (en) | Motor rotor structure and rotor iron core thereof | |
| CN105958755A (en) | Production method of invisible magnetic pole and electromagnetism driving motor rotor | |
| CN204886442U (en) | Stator lamination of external rotor motor | |
| CN204290662U (en) | New structure finite angle brushless moment motor | |
| WO2017175214A8 (en) | Electric motor | |
| CN204030783U (en) | A kind of plastic packaging motor | |
| CN201733147U (en) | Limited angle torque motor | |
| CN207652152U (en) | A kind of wheel hub motor of rotary rotor structure | |
| CN203301267U (en) | Motor | |
| CN203537091U (en) | Double-salient pole double-squirrel cage outer rotor structure of stator permanent magnet double-rotor motor | |
| CN103269136A (en) | Motor | |
| CN103855828A (en) | Permanent-magnet direct-current brushless motor rotor structure | |
| CN203537093U (en) | Magnetic-isolation squirrel cage outer rotor structure of stator permanent magnet double-rotor motor | |
| CN103124126B (en) | Reduce the shaftless system outer rotor permanent magnet motor of slot effect | |
| WO2015000915A3 (en) | Electric motor having reluctance auxiliary torque | |
| CN203135603U (en) | Motor rotor and motor | |
| CN204168097U (en) | Inductor type finite angle brushless moment motor | |
| CN206250941U (en) | A kind of DC brushless motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20160327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |