CN203596670U - Stator punching sheet, stator iron core and motor - Google Patents
Stator punching sheet, stator iron core and motor Download PDFInfo
- Publication number
- CN203596670U CN203596670U CN201320697932.7U CN201320697932U CN203596670U CN 203596670 U CN203596670 U CN 203596670U CN 201320697932 U CN201320697932 U CN 201320697932U CN 203596670 U CN203596670 U CN 203596670U
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- Prior art keywords
- stator
- punching
- iron core
- tooth
- core
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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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- 238000004080 punching Methods 0.000 title claims abstract description 98
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 210000000515 tooth Anatomy 0.000 claims description 86
- 238000005452 bending Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 18
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model provides a stator punching sheet, a stator iron core and a motor. The stator iron core comprises an iron core tooth part and an iron core yoke part. A detachable connection is formed between the iron core tooth part and the iron core yoke part. The iron core tooth part comprises a plurality of stator teeth which are arranged to be a circle. A rabbet is arranged between the inner end parts of adjacent stator teeth. All the rabbets are distributed uniformly in the circumferential direction of the stator iron core. Because the rabbets among the inner end parts of the stator teeth of the stator iron core are distributed uniformly in the circumferential direction of the stator iron core, the magnetic density distribution of each stator tooth is more uniform when the stator iron core are compared with the prior art. When the above stator iron core is applied to a motor with a large rated power, good improvement effects on no-load and load noise can be achieved. In addition, the utility model also provides a stator punching sheet used for forming the above stator iron core through overlying and a motor with the above stator iron core.
Description
Technical field
The utility model relates to technical field of motors, specifically, relates to stator punching, the stator core that a kind of tooth portion and yoke portion be separated and the motor that contains this stator core.
Background technology
Motor is widely used in the various electric equipments of industrial production and life, and existing motor has stator and rotor, and armature spindle is arranged in rotor and with the rotation of rotor and rotates, and outputting power thus.
Referring to Fig. 1, more existing motors have the housing being made up of end cap 11,12, and stator 15 and rotor 18 are installed in housing, and stator 15 has stator core 16 and is wound on the coil windings 17 on stator core 16.Rotor 18 is arranged in stator 15, and can rotate with respect to stator 15.Armature spindle 19 is arranged in rotor 18, and with rotor 18 interference fit, armature spindle 19 rotates under the drive of rotor 18, thus outside outputting power.
For the convenience of coiling winding, there is at present the stator core that a kind of tooth portion and yoke portion are separated, this stator core is overrided to form by the identical stator punching of multi-disc shape.Referring to Fig. 4, stator punching 40 is stamped to form by silicon steel sheet, and it is made up of with tooth portion 42 the yoke portion 41 removably connecting, and yoke portion 41 is positioned at the outside of stator punching 40, and tooth portion 42 is positioned at the inner side of yoke portion 41.The middle part of tooth portion 42 is provided with a circular hole 43, and rotor can be arranged in circular hole 43.
Above-mentioned stator punching 40 laminates the stator core 60 of rear formation, as shown in Figure 5 and Figure 6, stator core 60 has circular yoke portion 45 and tooth portion 47, the inwall of yoke portion 45 is provided with multiple grooves 46, tooth portion 47 has multiple stator tooths 48, stator tooth 48 comprises and is alternatively distributed straight-tooth and bending tooth, and the end of each stator tooth 48 is provided with tenon 49.When tooth portion 47 is installed to yoke portion 45, tenon 49 coordinates with groove 46, realizes being fixedly connected with of tooth portion 47 and yoke portion 45.Between each stator tooth 48 of tooth portion 47, connect by bridge part 44, and form notch 410 between adjacent stator tooth 48.
This tooth yoke separate type stator core is being brought into play very great effect for the automated production of the less asynchronous machine of rated power, and in meeting automated production, performance requirement is as also further strict in temperature rise, efficiency, noise etc.But, the design of the tooth portion notch of current this stator core is generally to change according to the requirement of flute profile, in fact distribution is upwards inhomogeneous in stator core week for the bridge part between each stator tooth and notch, for example, in Fig. 4, bridge part 411 and bridge part 412 week central angle alpha upwards not identical at week central angle β upwards with bridge part 412 and bridge part 413, this makes can produce discordant different sound in the time that the stator core of the non-equal mode for cloth of this employing notch is applied to the relatively large motor of rated power, affects load performance requirement.
Utility model content
First object of the present utility model is to overcome above shortcoming with not enough, and a kind of stator punching that can reduce motor operation noise is provided.
Second object of the present utility model is to provide a kind of stator core that can reduce motor operation noise.
The 3rd object of the present utility model is to provide a kind of motor that can reduce operation noise.
For realizing above-mentioned the first object, the utility model provides a kind of stator punching, comprise multiple punching teeth that are circular arrangement, between the inner end of adjacent punching tooth, hold together by bridge part, wherein all bridge parts were upwards evenly distributed in the week of this stator punching.
From such scheme, because the bridge part between the inner end of each punching tooth of this stator punching was upwards evenly distributed in the week of stator punching, the stator tooth magnetic density of the stator core being overrided to form by said stator punching distributes more even than prior art, in the time said stator iron core being applied on the relatively large motor of rated power, unloaded and load noise all can reach the good effect of improving.
Further, this stator punching also comprises punching yoke portion, and described punching yoke portion is connected to the periphery of described multiple punching teeth separably.
For realizing above-mentioned the first object, the utility model also provides another kind of stator punching, comprise punching yoke portion and punching tooth portion, between described punching tooth portion and punching yoke portion, form separable connection, wherein said punching tooth portion comprises multiple punching teeth that are circular arrangement, between the inner end of adjacent punching tooth, have notch, wherein all notches were upwards evenly distributed in the week of this stator punching.
From such scheme, because the notch between the inner end of each punching tooth of this stator punching was upwards evenly distributed in the week of stator punching, the stator tooth magnetic density of the stator core being overrided to form by said stator punching distributes more even than prior art, in the time said stator iron core being applied on the relatively large motor of rated power, unloaded and load noise all can reach the good effect of improving.
For realizing above-mentioned the second object, the utility model provides a kind of stator core, comprise iron core teeth portion and iron core yoke portion, between described iron core teeth portion and iron core yoke portion, form separable connection, wherein said iron core teeth portion comprises multiple stator tooths that are circular arrangement, between the inner end of adjacent stators tooth, have notch, wherein all notches were upwards evenly distributed in the week of this stator core.
From such scheme, because the notch between the inner end of each stator tooth of this stator core was upwards evenly distributed in the week of stator core, the magnetic density of each stator tooth distributes more even than prior art, in the time said stator iron core being applied on the relatively large motor of rated power, unloaded and load noise all can reach the good effect of improving.
Further, also have the bridge part connected inner end of adjacent stators tooth at described notch place.
Further, described stator tooth has comprised and has been alternatively distributed straight-tooth and bending tooth.
For realizing above-mentioned the 3rd object, the utility model provides a kind of motor, comprise stator and rotor, described stator has stator core, described stator core comprises iron core teeth portion and iron core yoke portion, between described iron core teeth portion and iron core yoke portion, forms separable connection, and wherein said iron core teeth portion comprises multiple stator tooths that are circular arrangement, between the inner end of adjacent stators tooth, have notch, wherein all notches were upwards evenly distributed in the week of this stator core.
From such scheme, because the notch between the inner end of the each stator tooth of stator core of this motor was upwards evenly distributed in the week of stator core, the magnetic density of each stator tooth distributes more even than prior art, and therefore the zero load of this motor and load noise all can reach the good effect of improving.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of existing motor.
Fig. 2 is the structure enlarged drawing of existing a kind of stator punching.
Fig. 3 is the structure enlarged drawing that existing stator core is wound with coil windings.
Fig. 4 is the plane graph of existing another kind of stator punching embodiment.
Fig. 5 is the stereogram of existing another kind of stator core.
Fig. 6 is the exploded view of stator core shown in Fig. 5.
Fig. 7 is the stereogram of a kind of stator core of the present utility model.
Fig. 8 is the exploded view of stator core shown in Fig. 7.
Fig. 9 is the axial view of stator core shown in Fig. 7.
Figure 10 is the plane graph of a kind of stator punching in the middle of stator core shown in Fig. 7.
Figure 11 is the plane graph of the another kind of stator punching in the middle of stator core shown in Fig. 7.
Figure 12 is the partial sectional view of a kind of embodiment of the utility model motor.
Embodiment
To describe various execution mode of the present invention below in detail, embodiment wherein describes in conjunction with the accompanying drawings and hereinafter.Although the present invention describes in connection with illustrative embodiments, be to be understood that and the invention is not restricted to these illustrative embodiments.On the contrary, the present invention not only comprises these execution modes, but also comprises various distortion, improvement.
As shown in figure 12, existing electric machine structure shown in a kind of embodiment and Fig. 1 of the utility model motor is substantially similar, there is equally the housing being formed by end cap 110,120, stator 150 and rotor 180 are installed in housing, and stator 150 has stator core 160 and is wound on the coil windings 170 on stator core 160.Rotor 180 is arranged in stator 150, and can rotate with respect to stator 150.Armature spindle 190 is arranged in rotor 180, and with rotor 180 interference fit, armature spindle 190 rotates under the drive of rotor 180, thus outside outputting power.Be with existing motor difference, motor of the present utility model has adopted the utility model stator core construction shown in Fig. 7 to Fig. 9, and this stator core is to be overrided to form by the stator punching shown in Figure 10 and Figure 11.
As shown in Figure 7 to 9, stator core 160 is tooth yoke separate type stator core, be made up of with iron core yoke portion 72 the iron core teeth portion 71 connecting separably, iron core teeth portion 71 is overrided to form by the identical stator punching of multi-disc shape respectively with iron core yoke portion 72, and stator punching is to be stamped to form by silicon steel sheet.Circular iron core yoke portion 72 is positioned at the periphery of iron core teeth portion 71, and iron core teeth portion 71 is positioned at the inner side of iron core yoke portion 72.The middle part of iron core teeth portion 71 is provided with a circular hole 73, and rotor can be arranged in circular hole 73.In iron core teeth portion 71, can overlap insulating case or injection moulding insulating case, to avoid coil windings to contact with iron core teeth portion 71.While manufacturing stator, can first directly with spooling equipment, coil windings be wound on after iron core teeth portion 71, then the iron core teeth portion 71 that is wound with coil windings is contained in iron core yoke portion 72, to reduce the difficulty of coiling, improve the coiling efficiency of coil windings.
Described iron core teeth portion 71 comprises multiple stator tooths that are circular arrangement, between adjacent stators tooth, there is stator slot 77, wherein stator tooth has comprised that several straight-tooth 73 and several are the bending tooth 74 of " 7 " font, straight-tooth 73 is alternately distributed with bending tooth 74, between the inner end 731,741 of adjacent stators tooth 73,74, there is notch 75, also have the bridge part 76 connected inner end of adjacent stators tooth 73,74 731,741 at each notch 75 places simultaneously.The outer end of each stator tooth is provided with tenon 77, and the inwall of iron core yoke portion 72 is provided with multiple grooves 721.In the time that iron core teeth portion 71 is installed to iron core yoke portion 72, each tenon 77 coordinates with a corresponding groove 721 respectively, to realize being fixedly connected with of iron core teeth portion 71 and iron core yoke portion 72.
In said stator iron core 160, all notches 75 and the bridge part 76 of iron core teeth portion 71 were upwards evenly distributed in the week of this stator core 160, that is to say, in all notches 75 and bridge part 76, any two week upwards adjacent notch 75 and any two week upwards adjacent bridge part 76 week central angle upwards all equate, example as shown in Figure 9, the iron core teeth portion 71 of this stator core 160 has 24 stator tooths and 24 stator slots, therefore be upwards distributed with 75 and 24 bridge parts 76 of 24 notches week, any two week upwards adjacent notch 75 and any two week upwards adjacent bridge part 76 be 360/24=15 ° at week central angle θ upwards.
Second stator punching 9 these two kinds of stator punchings shown in stator core 160 the first stator punching 8 and Figure 11 are as shown in Figure 10 overrided to form, the first stator punching 8 comprises punching yoke portion 81 and punching tooth portion 82, punching yoke portion 81 is connected to the periphery of punching tooth portion 82 separably, wherein punching tooth portion 82 comprises multiple punching teeth 83 that are circular arrangement, between the inner end of adjacent punching tooth 83, hold together by bridge part 84, all bridge parts 84 were upwards evenly distributed in the week of this first stator punching 8.The second stator punching 9 comprises punching yoke portion 91 and punching tooth portion 92 equally, punching yoke portion 91 is connected to the periphery of punching tooth portion 92 separably, punching tooth portion 92 comprises multiple punching teeth 93 that are circular arrangement and be separated from each other, between the inner end of adjacent punching tooth 93, have notch 94, all notches 94 were upwards evenly distributed in the week of this second stator punching 9.The first stator punching 8 and the second stator punching 9 laminate while forming stator core 160, and each bridge part 84 of the first stator punching 8 upwards aligns in week mutually with each notch 94 of the second stator punching 9.The first stator punching 8 is except having increased bridge part 84 than the second stator punching 9, and shape is identical, and in fact, the second stator punching 9 can obtain by blocking its bridge part 84 on the basis of the first stator punching 8.
Claims (7)
1. a stator punching, comprises multiple punching teeth that are circular arrangement, between the inner end of adjacent punching tooth, holds together by bridge part, it is characterized in that, all bridge parts were upwards evenly distributed in the week of this stator punching.
2. stator punching according to claim 1, is characterized in that, this stator punching also comprises punching yoke portion, and described punching yoke portion is connected to the periphery of described multiple punching teeth separably.
3. a stator punching, comprise punching yoke portion and punching tooth portion, between described punching tooth portion and punching yoke portion, form separable connection, wherein said punching tooth portion comprises multiple punching teeth that are circular arrangement, between the inner end of adjacent punching tooth, there is notch, it is characterized in that, all notches were upwards evenly distributed in the week of this stator punching.
4. a stator core, comprise iron core teeth portion and iron core yoke portion, between described iron core teeth portion and iron core yoke portion, form separable connection, wherein said iron core teeth portion comprises multiple stator tooths that are circular arrangement, between the inner end of adjacent stators tooth, there is notch, it is characterized in that, all notches were upwards evenly distributed in the week of this stator core.
5. stator core according to claim 4, is characterized in that, at described notch, place also has the bridge part connected inner end of adjacent stators tooth.
6. stator core according to claim 4, is characterized in that, described stator tooth has comprised and is alternatively distributed straight-tooth and bending tooth.
7. motor, comprises stator and rotor, and described stator has stator core, it is characterized in that: described stator core is according to the stator core described in claim 4 to 6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697932.7U CN203596670U (en) | 2013-11-06 | 2013-11-06 | Stator punching sheet, stator iron core and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320697932.7U CN203596670U (en) | 2013-11-06 | 2013-11-06 | Stator punching sheet, stator iron core and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203596670U true CN203596670U (en) | 2014-05-14 |
Family
ID=50677528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320697932.7U Expired - Lifetime CN203596670U (en) | 2013-11-06 | 2013-11-06 | Stator punching sheet, stator iron core and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203596670U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009560A (en) * | 2014-05-26 | 2014-08-27 | 珠海凌达压缩机有限公司 | Motor stator and motor provided with motor stator |
| CN107257169A (en) * | 2017-07-28 | 2017-10-17 | 广东威灵电机制造有限公司 | The processing method of teeth portion iron core blank, stator core and stator core |
| CN109120079A (en) * | 2018-09-28 | 2019-01-01 | 珠海凯邦电机制造有限公司 | Stator core and motor |
| CN110289713A (en) * | 2019-07-09 | 2019-09-27 | 合普动力股份有限公司 | A kind of improvement structure of external stator core |
| CN112737158A (en) * | 2020-12-26 | 2021-04-30 | 珠海格力电器股份有限公司 | Stator module and servo motor with same |
-
2013
- 2013-11-06 CN CN201320697932.7U patent/CN203596670U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009560A (en) * | 2014-05-26 | 2014-08-27 | 珠海凌达压缩机有限公司 | Motor stator and motor provided with motor stator |
| CN107257169A (en) * | 2017-07-28 | 2017-10-17 | 广东威灵电机制造有限公司 | The processing method of teeth portion iron core blank, stator core and stator core |
| CN107257169B (en) * | 2017-07-28 | 2023-12-01 | 广东威灵电机制造有限公司 | Tooth iron core blank, stator iron core and processing method of stator iron core |
| CN109120079A (en) * | 2018-09-28 | 2019-01-01 | 珠海凯邦电机制造有限公司 | Stator core and motor |
| CN110289713A (en) * | 2019-07-09 | 2019-09-27 | 合普动力股份有限公司 | A kind of improvement structure of external stator core |
| CN112737158A (en) * | 2020-12-26 | 2021-04-30 | 珠海格力电器股份有限公司 | Stator module and servo motor with same |
| CN112737158B (en) * | 2020-12-26 | 2022-08-02 | 珠海格力电器股份有限公司 | Stator module and servo motor with same |
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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: 20140514 |
|
| CX01 | Expiry of patent term |