CN203967862U - Rotor core and there is its motor - Google Patents
Rotor core and there is its motor Download PDFInfo
- Publication number
- CN203967862U CN203967862U CN201420339917.XU CN201420339917U CN203967862U CN 203967862 U CN203967862 U CN 203967862U CN 201420339917 U CN201420339917 U CN 201420339917U CN 203967862 U CN203967862 U CN 203967862U
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- punching
- rotor
- rotor core
- mounting groove
- punchings
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- Expired - Lifetime
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- 238000004080 punching Methods 0.000 claims abstract description 115
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 238000009826 distribution Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to a kind of rotor core and has its motor.Described rotor core comprises: multiple rotor punchings, and each rotor punching comprises body and is located at endoporus and the multiple mounting groove on body, limits utmost point portion between adjacent mounting groove, between the outer end of mounting groove and the periphery of body edge, limits outer magnetic bridge; Multiple rotor punchings comprise the second punching that the first punching that at least one outer magnetic bridge is all disconnected is all connected with at least one outer magnetic bridge, at least one first punching and at least one second punching are along the stacked formation of axis direction of body, and wherein the endoporus of multiple rotor punchings is communicated with to form rotor hole and the corresponding connection formation of each mounting groove holding tank; Be contained in respectively the multiple permanent magnets in holding tank.According to rotor core of the present utility model, reduce the connection between the utmost point portion of opposed polarity and the leakage field that causes, improve the performance of rotor.Rotor can straight forming in addition, and does not need injection moulding or adopt other connectors, has reduced process complexity.
Description
Technical field
The utility model relates to field of motor manufacturing, especially relates to a kind of rotor core and has the motor of described rotor core.
Background technology
In prior art rotor core 1 ' on have outer magnetic bridge 2 ' and interior magnetic bridge 3 ', as shown in Figure 5, the outer magnetic bridge 2 ' position of opposed polarity in rotor core is connected to interior magnetic bridge 3 ' rotor core is directly contacted with rotating shaft.But, due to outer magnetic bridge 2 ' and interior magnetic bridge 3 ' existence, make to exist in rotor core magnetic circuit leakage field, and then cause the reduction of electric efficiency.
Traditional rotor core 1 ' in can be by by outer rotor magnetic bridge 2 ' interrupt to address the above problem.But, rotor core 1 ' the outer magnetic bridge of rotor interrupted, can cause following problem: when (1) high speed operation of motor, rotor strength reduces, need to be by rotor injection moulding; (2) need to improve rotor mechanical intensity, complex process by clamp structure.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art.For this reason, an object of the present utility model is to propose a kind of rotor core that does not need injection moulding and mechanical strength to improve.
Another object of the present utility model is to propose a kind of motor that has described rotor core.
According to a kind of rotor core of the utility model first aspect embodiment, comprise: multiple rotor punchings, each described rotor punching comprises body and is located at endoporus and the multiple mounting groove on body, described multiple mounting groove is along the circumferential distribution of described body, between adjacent mounting groove, limit utmost point portion, between the outer end of described mounting groove and the periphery of described body edge, limit outer magnetic bridge; Wherein said multiple rotor punching comprises at least one first punching and at least one second punching, the outer magnetic bridge of wherein said the first punching is all disconnected, the outer magnetic bridge of described the second punching all connects, described at least one first punching and at least one second punching are along the stacked formation of axis direction of described body, wherein the endoporus of multiple rotor punchings is communicated with to form rotor hole, and the corresponding connection of each mounting groove of described multiple rotor punchings forms holding tank; Multiple permanent magnets, described multiple permanent magnets are contained in respectively in described multiple holding tank.
According to the rotor core of the utility model embodiment, the stacked formation of the second punching being still connected with outer magnetic bridge by the first punching that outer magnetic bridge is disconnected, has reduced the connection between the utmost point portion of opposed polarity and the leakage field that causes, has improved the performance of rotor.In addition, rotor can straight forming, and does not need injection moulding or adopt other connectors, has reduced process complexity, easily manufactured simple.
According to an embodiment of the present utility model, multiple described the first punchings and adjacent being arranged alternately of multiple described the second punching.
According to an embodiment of the present utility model, described the first punching has many groups, described in every group, the first punching comprises at least two the first punchings, described the second punching has many groups, described in every group, the second punching comprises at least two the second punchings, and the second punching is adjacent is arranged alternately for the first punching of described many groups and described many groups.
According to an embodiment of the present utility model, described in every group, the quantity of the first punching is identical with the quantity of the second punching described in every group.
Alternatively, described in every group, described in the quantity of the first punching and every group, the quantity of the second punching is 2.
According to the rotor core of the utility model embodiment, do not need injection moulding, reduce process complexity, and reduced rotor core along the leakage field on excircle, improve electric efficiency, in addition, this rotor core also has high power density.
According to a kind of motor of the utility model second aspect embodiment, comprise according to the rotor core described in the utility model first aspect embodiment.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the schematic diagram of the first punching of an embodiment of the utility model;
Fig. 2 is according to the schematic diagram of the second punching of an embodiment of the utility model;
Fig. 3 is according to the stereogram of the rotor core of an embodiment of the utility model;
Fig. 4 is according to the stereogram of the rotor core of another embodiment of the utility model;
Fig. 5 is the schematic diagram of rotor punching of the prior art.
Reference numeral:
Rotor punching 100;
Body 1; Endoporus 11; Mounting groove 12; Annular region 13; Utmost point portion 14;
Outer magnetic bridge 2; Outer isolation channel 21;
Rotor hole 200; Holding tank 300
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " thickness ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferentially " etc. orientation or the position relationship of instruction be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of the device of instruction or hint indication or element must have specific orientation, with specific orientation structure with operate, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Describe according to the rotor core of the embodiment of the utility model first aspect below with reference to Fig. 1-Fig. 4.
As shown in Figure 3 and Figure 4, comprise multiple rotor punchings 100 and be embedded the multiple magnets (scheming not shown) in rotor punching 100 according to the rotor core of the utility model embodiment.
As depicted in figs. 1 and 2, each rotor punching 100 comprises body 1 and is located at endoporus 2, multiple mounting groove 12 and the annular region 13 around endoporus 2 on body 1, multiple mounting grooves 12 are along the circumferential distribution of body 1, between adjacent mounting groove 12, limit utmost point portion 14, between the periphery edge of the outer end of mounting groove 12 and body 1, limit outer magnetic bridge 2; Wherein multiple rotor punchings 100 comprise at least one first punching 100a and at least one second punching 100b, and wherein the outer magnetic bridge 2 of the first punching 100a is all disconnected, and as shown in Figure 1, the outer magnetic bridge 2 of the second punching 100b all connects, as shown in Figure 2.At least one first punching 100a and at least one second punching 100b are along the stacked formation of axis direction of body 1, wherein the endoporus 2 of multiple rotor punchings 100 is communicated with to form rotor hole 200, and the corresponding connection of each mounting groove 12 of multiple rotor punchings 100 forms holding tank 300, as shown in Figure 3.Multiple permanent magnets are contained in respectively in multiple holding tanks 300.
In description of the present utility model, outer magnetic bridge 2 is disconnected, and means outside and is provided with the outer isolation channel 21 for consecutive roots portion 14 is kept apart in magnetic bridge 2.
According to the rotor core of the utility model embodiment, the stacked formation of the second punching being still connected with outer magnetic bridge by the first punching that outer magnetic bridge is disconnected, has reduced the connection between the utmost point portion of opposed polarity and the leakage field that causes, has improved the performance of rotor.In addition, rotor can straight forming, and does not need injection moulding or adopt other connectors, has reduced process complexity, easily manufactured simple.
In an embodiment of the present utility model, as shown in Figure 3, multiple the first punching 100a and multiple second punching 100b is adjacent is arranged alternately.That is to say between two the first punching 100a, to there is a second punching 100b, similarly, between two the second punching 100b, there is a first punching 100a.
In another embodiment of the present utility model, as shown in Figure 4, the first punching 100a has many groups, and every group of first punching 100a comprises at least two the first punching 100a that overlap completely, i.e. not rotation relatively between the first punching 100a in every group.The second punching 100b has many groups, and every group of second punching 100b comprises at least two the second punching 100b that overlap completely, i.e. not rotation relatively between the second punching 100b in every group.Certainly, the number of the rotor punching 100 in many groups can be the same or different.
Punching 100b is adjacent is arranged alternately for many groups the first punching 100a and many groups second.That is to say between two group of first punching 100a, to there is one group of second punching 100b, similarly, between two group of second punching 100b, there is one group of first punching 100a.
Alternatively, the quantity of every group of first punching 100a is identical with the quantity of every group of second punching 100b.For example, in example as shown in Figure 3-4, the quantity of the quantity of every group of first punching 100a and every group of second punching 100b is 2.Certainly, in every group of punching of the present utility model, the quantity of punching is not limited to 2, at these 2 only for illustrating.
Certainly, the utility model is not limited to this.The quantity of every group of first punching 100a also can be different from the quantity of every group of second punching 100b, in other example of the present utility model, the first punching 100a and the second punching 100b can combination in any, such as stator core comprises successively: m the first punching 100a, n the second punching 100b, x the first punching 100a, y the second punching 100b etc., wherein n, m, x, y are the integer that is more than or equal to 1.That is to say, the combination in any of the first punching 100a and the second punching 100b also should fall into the scope of the application's claim, will not enumerate at this.
According to the rotor core of the utility model embodiment, do not need injection moulding, reduce process complexity, and reduced rotor core along the leakage field on excircle, improve electric efficiency, in addition, this rotor core also has high power density.
According to a kind of motor of the utility model second aspect embodiment, comprise above-mentioned according to the rotor core of the utility model first aspect embodiment., if being all known for those of ordinary skills, rotor etc. and operation be not described in detail here according to other configuration examples of the utility model embodiment motor.
Can be applied in the electrical equipment such as washing machine, air-conditioning according to the motor of the utility model embodiment.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (6)
1. a rotor core, is characterized in that, comprising:
Multiple rotor punchings, each described rotor punching comprises body and is located at endoporus and the multiple mounting groove on body, described multiple mounting groove is along the circumferential distribution of described body, between adjacent mounting groove, limit utmost point portion, between the outer end of described mounting groove and the periphery of described body edge, limit outer magnetic bridge; Wherein said multiple rotor punching comprises at least one first punching and at least one second punching, the outer magnetic bridge of wherein said the first punching is all disconnected, the outer magnetic bridge of described the second punching all connects, described at least one first punching and at least one second punching are along the stacked formation of axis direction of described body, wherein the endoporus of multiple rotor punchings is communicated with to form rotor hole, and the corresponding connection of each mounting groove of described multiple rotor punchings forms holding tank;
Multiple permanent magnets, described multiple permanent magnets are contained in respectively in described multiple holding tank.
2. rotor core according to claim 1, is characterized in that, multiple described the first punchings and adjacent being arranged alternately of multiple described the second punching.
3. rotor core according to claim 1, it is characterized in that, described the first punching has many groups, described in every group, the first punching comprises at least two the first punchings, described the second punching has many groups, described in every group, the second punching comprises at least two the second punchings, and the second punching is adjacent is arranged alternately for the first punching of described many groups and described many groups.
4. rotor core according to claim 3, is characterized in that, described in every group, the quantity of the first punching is identical with the quantity of the second punching described in every group.
5. rotor core according to claim 4, is characterized in that, described in every group, described in the quantity of the first punching and every group, the quantity of the second punching is 2.
6. a motor, is characterized in that, comprises according to the rotor core described in any one in claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339917.XU CN203967862U (en) | 2014-06-24 | 2014-06-24 | Rotor core and there is its motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339917.XU CN203967862U (en) | 2014-06-24 | 2014-06-24 | Rotor core and there is its motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203967862U true CN203967862U (en) | 2014-11-26 |
Family
ID=51928406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339917.XU Expired - Lifetime CN203967862U (en) | 2014-06-24 | 2014-06-24 | Rotor core and there is its motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203967862U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079092A (en) * | 2014-06-24 | 2014-10-01 | 广东威灵电机制造有限公司 | Rotor core and motor with same |
| CN105811608A (en) * | 2016-03-22 | 2016-07-27 | 泰信电机(苏州)有限公司 | Novel rotor iron core for motor |
| CN105811615A (en) * | 2016-03-22 | 2016-07-27 | 泰信电机(苏州)有限公司 | Automatically-buckled iron core for rotor of motor |
| CN107733111A (en) * | 2017-11-01 | 2018-02-23 | 莱克电气股份有限公司 | Rotor iron core |
-
2014
- 2014-06-24 CN CN201420339917.XU patent/CN203967862U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079092A (en) * | 2014-06-24 | 2014-10-01 | 广东威灵电机制造有限公司 | Rotor core and motor with same |
| CN105811608A (en) * | 2016-03-22 | 2016-07-27 | 泰信电机(苏州)有限公司 | Novel rotor iron core for motor |
| CN105811615A (en) * | 2016-03-22 | 2016-07-27 | 泰信电机(苏州)有限公司 | Automatically-buckled iron core for rotor of motor |
| CN107733111A (en) * | 2017-11-01 | 2018-02-23 | 莱克电气股份有限公司 | Rotor iron core |
| CN113691041A (en) * | 2017-11-01 | 2021-11-23 | 莱克电气股份有限公司 | Rotor core |
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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: 20141126 |