CN109728670B - Stator assembly and motor - Google Patents
Stator assembly and motor Download PDFInfo
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- CN109728670B CN109728670B CN201910151512.0A CN201910151512A CN109728670B CN 109728670 B CN109728670 B CN 109728670B CN 201910151512 A CN201910151512 A CN 201910151512A CN 109728670 B CN109728670 B CN 109728670B
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- 238000004804 winding Methods 0.000 claims abstract description 42
- 230000006835 compression Effects 0.000 claims abstract description 22
- 238000007906 compression Methods 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 3
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a stator assembly, comprising: a stator core having a plurality of stator salient poles formed on an inner circumferential surface thereof, and a receiving groove formed between two adjacent stator salient poles; the winding is wound on the stator convex pole, and an outgoing line connected with the power line is led out from the end part of the winding; the clamping ring comprises a circular top plate, a plurality of slot wedges and a pressing plate which is formed by extending outwards from the outer side surface of the top plate, wherein the top end of each slot wedge is arranged on the inner side surface of the top plate, each slot wedge is positioned in a containing groove so as to fix the clamping ring on the stator core, and at least one first groove for placing an outgoing line is formed on the lower surface of the pressing plate. Compared with the prior art, the stator assembly can position the outgoing line attached to the winding end part through the compression ring, so that the winding outgoing line reaches a pre-tightening and non-loosening state, and the winding outgoing line can be prevented from being broken due to long-time working vibration of the motor, so that the quality and the working stability of the motor are improved.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a stator assembly and a motor.
Background
In the production process of the motor, the stator winding outgoing line is required to be connected with an external power line, and the connection mode of the stator winding outgoing line and the external power line in the electric drill motor of the electric tool at present is generally as follows: the stator winding is led out through PCBA board welding and is connected with the power cord, and because of electric drill during operation motor vibrations for a long time, makes the winding enameled wire lead-out wire of welding at PCBA shake off easily, causes the motor inefficacy, has seriously influenced the quality and the job stabilization nature of motor.
In view of the foregoing, there is a need for a stator assembly and a motor that can improve motor quality and operational stability to address the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide a stator assembly capable of improving the quality and the working stability of a motor.
Another technical problem to be solved by the invention is to provide a motor capable of improving the quality and the working stability of the motor.
To solve the above technical problem, according to an aspect of the present invention, there is provided a stator assembly, comprising:
a stator core having a plurality of stator salient poles formed on an inner circumferential surface thereof, and a receiving groove formed between two adjacent stator salient poles;
the winding is wound on the stator convex pole, and an outgoing line connected with the power line is led out from the end part of the winding;
the clamping ring comprises a circular top plate, a plurality of slot wedges and a pressing plate which is formed by extending outwards from the outer side surface of the top plate, wherein the top end of each slot wedge is arranged on the inner side surface of the top plate, each slot wedge is positioned in a containing groove so as to fix the clamping ring on the stator core, and at least one first groove for placing an outgoing line is formed on the lower surface of the pressing plate.
The further technical scheme is as follows: a plurality of first connecting plates are formed on the inner side surface of the top plate, each first connecting plate is formed by inwards protruding from one position of the inner side surface of the top plate, and each first connecting plate is bent downwards to form the slot wedge.
The further technical scheme is as follows: the stator core top is equipped with an annular supporting seat, annular supporting seat inner peripheral face is equipped with the line frame corresponding to stator salient pole department, and every line frame butt is in a stator salient pole, the winding is around locating on line frame and the stator salient pole, and this annular supporting seat up end is equipped with a plurality of positioner that are used for locating the lead-out wire, and every positioner includes a first locating plate, the clamping ring bottom surface butt in the winding head.
The further technical scheme is as follows: the coil holder comprises a first rectangular plate extending outwards from the inner side surface of the annular supporting seat, two second rectangular plates are formed by downwards extending two sides of the first rectangular plate, the top surface of the first rectangular plate is outwards extended and bent to form a second connecting plate, the second connecting plate is abutted to the upper surface of the stator boss, the coil holder further comprises two third connecting plates, one side of each third connecting plate is upwards bent along the middle part to form a folded plate, the folded plate is connected with the second rectangular plate, a second groove is formed by the other side of each third connecting plate and the stator boss, and the slot wedge is inserted on the stator core through the second groove.
The further technical scheme is as follows: the annular supporting seat is also provided with an outlet device, the outlet device comprises a fourth connecting plate and two outlet plates, the fourth connecting plate is formed by extending outwards from the outer edge of the annular supporting seat, the outlet plates are formed by extending upwards from the top surface of the fourth connecting plate, and an outlet slot is formed between the two outlet plates.
The further technical scheme is as follows: and a third groove is formed on two side surfaces of the pressing plate of the pressing ring respectively, an inserting piece is formed on the opposite end surfaces of the two outgoing line plates in an outward extending mode, and each inserting piece is located in the third groove.
The further technical scheme is as follows: the positioning device further comprises a second positioning plate and a third positioning plate which are formed by extending upwards from the upper end face of the annular supporting seat, a fifth connecting plate is arranged between the second positioning plate and the third positioning plate, the first positioning plate is arranged on the fifth connecting plate, and a positioning groove for placing the outgoing line is formed between the first positioning plate and the second positioning plate and between the first positioning plate and the third positioning plate respectively.
The further technical scheme is as follows: the bottom of the stator core is provided with the annular supporting seat so as to position the outgoing line.
The further technical scheme is as follows: the stator assembly further comprises a rubber ring arranged between the stator core and the compression ring.
To solve the above technical problem, according to another aspect of the present invention, there is provided an electric machine including the above stator assembly.
Compared with the prior art, the lead-out wire is led out from the end part of the winding, the slot wedge of the compression ring is arranged in the accommodating groove formed between the adjacent two stator salient poles, and the first groove for placing the lead-out wire is arranged on the lower surface of the compression plate of the compression ring, so that the lead-out wire attached to the end part of the winding is positioned, the lead-out wire of the winding reaches a pre-tightening and non-loosening state, and can be led out through the first groove and then is connected with the power wire, and the lead-out wire of the winding can be prevented from being broken due to long-time working vibration of the motor, so that the quality and the working stability of the motor are improved.
Drawings
Fig. 1 is an exploded view of an embodiment of a stator assembly according to the present invention.
Fig. 2 is a schematic view of the assembled stator assembly of fig. 1.
Fig. 3 is a schematic perspective view of the pressure ring shown in fig. 1.
Fig. 4 is a schematic structural view of the stator core and the annular supporting base shown in fig. 1.
Fig. 5 is a schematic view of the stator assembly of fig. 1 with the compression ring removed.
Detailed Description
The present invention will be further described with reference to the drawings and examples below in order to more clearly understand the objects, technical solutions and advantages of the present invention to those skilled in the art.
Referring to fig. 1-5, fig. 1-5 illustrate an embodiment of a stator assembly 1 of the present invention. In the embodiment shown in the drawings, the stator assembly 1 includes a stator core 10, a winding 20 and a compression ring 30, in this embodiment, a plurality of stator salient poles 101 are formed on the inner circumferential surface of the stator core 10, and a receiving slot is formed between two adjacent stator salient poles 101; the winding 20 is wound on the stator salient pole 101, and an outgoing line 201 connected with a power line is led out from the end part of the winding 20, and preferably, the outgoing line 201 of the winding 20 is an aluminum enameled wire; the pressing ring 30 is disposed on the stator core 10, as shown in fig. 3, and includes an annular top plate 301, a plurality of slot wedges 302, and a pressing plate 303 formed outwardly from an outer side surface of the top plate 301, a plurality of first connecting plates 304 are formed on an inner side surface of the top plate 301, each first connecting plate 304 is formed by protruding inwardly from a position on the inner side surface of the top plate 301, each first connecting plate 304 is bent downwardly to form a slot wedge 302, each slot wedge 302 is disposed in a receiving slot to fix the pressing ring 30 on the stator core 10, and at least one first recess 3031 for placing the lead-out wire 201 is formed on a lower surface of the pressing plate 303. In this embodiment, six stator salient poles 101 are provided, six accommodating spaces are correspondingly provided, six slot wedges 302 are provided, six outgoing lines 201 are correspondingly connected to a three-phase ac power supply, and three first grooves 3031 are provided. Based on the design, the lead-out wires 201 are led out from the end parts of the windings 20, the slot wedges 302 of the compression rings 30 are arranged in the accommodating grooves formed between the adjacent two stator salient poles 101, and the first grooves 3031 for placing the lead-out wires 201 are arranged on the lower surface of the compression plates 303 of the compression rings 30, so that the compression rings 30 can position the lead-out wires 201 attached to the end parts of the windings 20, the lead-out wires 201 of the windings 20 can reach a pre-tightening and non-loosening state, can be led out through the first grooves 3031 and are connected with the power wires in a welding way, and the lead-out wires 201 of the windings 20 can be prevented from being broken due to long-time working vibration of a motor, so that the quality and the working stability of the motor assembled by adopting the stator assembly 1 are improved.
Referring to fig. 1 and 4, in the embodiment shown in the drawings, an annular supporting seat 40 is disposed at the top of the stator core 10, a bobbin 401 is disposed at the inner peripheral surface of the annular supporting seat 40 corresponding to the stator salient pole 101, each bobbin 401 is abutted against the stator salient pole 101, the winding 20 is wound on the bobbin 401 and the stator salient pole 101, a plurality of positioning devices 403 for positioning the lead wires 201 are disposed on the upper end surface of the annular supporting seat 40, each positioning device 403 includes a second positioning plate 4032 and a third positioning plate 4033 which are formed by extending upwards from the upper end surface of the annular supporting seat 40, a fifth connecting plate 4034 is disposed between the second positioning plate 4032 and the third positioning plate 4033, a first positioning plate 4031 is formed by extending upwards from the fifth connecting plate 4034, a positioning groove 4035 for placing the lead wires 201 is formed between the first positioning plate 4031 and the second positioning plate 4032 and the third positioning plate 4033, and the bottom surface of the 30 is abutted against the end of the winding 20; preferably, a rubber ring 50 is further provided between the end of the winding 20 and the pressure ring 30. In the present invention, three positioning devices 403 are provided, the three positioning devices 403 are uniformly distributed at intervals, and each positioning device 403 is provided on the upper end surface of the annular supporting seat 40 corresponding to the two adjacent stator salient poles 101, and in some other embodiments, the number of the positioning devices 403 may be increased or decreased according to the number of the outgoing lines 201. Based on the above design, the routing of the regular outgoing lines 201 can be limited by the positioning slots 4035, as shown in fig. 5, the outgoing lines 201 are shaped into a routing mode along and attached to the end portions of the windings 20, that is, the outgoing lines 201 of the windings 20 wound on the stator salient poles 101 can sequentially pass through two positioning slots 4035 formed between the first positioning plate 4031 and the second positioning plate 4032 and the third positioning plate 4033 to limit, in this embodiment, the outgoing lines 201 of the windings 20 wound on the stator salient poles 101 located below the positioning device 403 sequentially pass through the two positioning slots 4035 and then are led out, and the outgoing lines 201 of the windings 20 wound on the other stator salient poles 101 are led out directly.
In this embodiment, the bobbin 401 includes a first rectangular plate 4011 extending outward from an inner side surface of the annular supporting seat 40, two second rectangular plates 4016 are formed by extending downward from two sides of the first rectangular plate 4011, a second connecting plate 4012 is formed by bending upward after extending outward from a top surface of the first rectangular plate 4011, the second connecting plate 4012 abuts against an upper surface of the stator salient pole 101, the bobbin 401 further includes two third connecting plates 4013, one side of each third connecting plate 4013 is bent upward along a middle portion to form a folding plate 4014, the folding plate 4014 is connected with the second rectangular plate 4016, a second groove 4015 is formed between the other side of each third connecting plate 4013 and the stator salient pole 101, and the slot wedges 302 are inserted onto the stator core 10 through the second grooves 4015, in this embodiment, one side of each slot wedge 302 is inserted into the second groove 4015, so that the compression ring 30 is mounted on the stator core 10 more firmly through a matching relationship between the slot wedges 302 and the second groove 4015.
In some embodiments, the annular supporting seat 40 is further provided with an outlet device 402, the outlet device 402 includes a fourth connecting plate 4021 formed by extending outwards from the outer edge of the annular supporting seat 40, and two outlet plates 4022 formed by extending upwards from the top surface of the fourth connecting plate 4021, and an outlet slot 4023 is formed between the two outlet plates 4022; preferably, a third groove 3032 is formed on each side of the pressing plate 303 of the pressing ring 30, and a plug piece 4024 is formed on each of opposite end surfaces of the two outgoing plates 4022 by extending outwards, and each plug piece 4024 is located in the third groove 3032, so that the pressing plate 303 of the pressing ring 30 and the annular supporting seat 40 are fixedly mounted. Based on the design of the wire outlet device 402, six outgoing wires 201 can be led out through the wire outlet slot 4023 after being regulated by the positioning slot 4035, namely, each outgoing wire 201 is led out from the wire outlet slot 4023 along and attached to the end part of the winding 20 so as to be connected with a power line.
Preferably, in this embodiment, the bottom of the stator core 10 is provided with the annular supporting seat 40 to position and regulate the lead wires 201.
When the stator assembly 1 is installed, two annular supporting seats 40 are respectively installed at the top and the bottom of a stator core 10, outgoing lines 201 are regulated through positioning grooves 4035, rubber rings 50 are placed at the end parts of motor windings 20 after regulation, then compression rings 30 are pressed onto the rubber rings 50, at the moment, two sides of slot wedges 302 of the compression rings 30 are inserted into second grooves 4015, so that the compression rings 30 are more firmly installed on the stator core 10 through the matching relation between the slot wedges 302 and the second grooves 4015, plug pieces 4024 on wire outgoing devices 402 of the annular supporting seats 40 are pressed into third grooves 3032 of the compression rings 30, the outgoing lines 201 can be led out through first grooves 3031 and wire outgoing grooves 4023, and the outgoing lines 201 can reach a pre-tightening and non-loosening state.
The invention also provides an electric machine comprising a stator assembly 1 as described above.
In summary, the lead wires are led out from the end parts of the windings, the slot wedges of the compression rings are arranged in the accommodating grooves formed between the adjacent two stator salient poles, and the first grooves for placing the lead wires are arranged on the lower surfaces of the compression plates of the compression rings, so that the lead wires attached to the end parts of the windings can be positioned by the compression rings, the lead wires of the windings can reach a pre-tightening and non-loosening state, can be led out through the first grooves and then are connected with the power wire, and the lead wires of the windings can be prevented from being broken due to long-time working vibration of the motor, so that the quality and the working stability of the motor are improved.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims shall fall within the scope of the present invention.
Claims (7)
1. A stator assembly, the stator assembly comprising:
a stator core having a plurality of stator salient poles formed on an inner circumferential surface thereof, and a receiving groove formed between two adjacent stator salient poles;
the winding is wound on the stator convex pole, and an outgoing line connected with the power line is led out from the end part of the winding;
the clamping ring comprises a circular top plate, a plurality of slot wedges and a clamping plate which is formed by extending outwards from the outer side surface of the top plate, wherein the top end of each slot wedge is arranged on the inner side surface of the top plate, each slot wedge is positioned in a containing groove so as to fix the clamping ring on a stator core, and at least one first groove for placing a lead-out wire is formed on the lower surface of the clamping plate;
the annular supporting seat is arranged at the top of the stator core, a wire frame is arranged at the inner peripheral surface of the annular supporting seat corresponding to the stator salient poles, each wire frame is abutted against a stator salient pole, the winding is wound on the wire frame and the stator salient poles, a plurality of positioning devices for positioning outgoing wires and an outgoing wire device are also arranged on the annular supporting seat, each positioning device comprises a first positioning plate positioned at the upper end surface of the annular supporting seat, and the bottom surface of the compression ring is abutted against the winding end part; the wire outlet device comprises a fourth connecting plate and two wire outlet plates, the fourth connecting plate is formed by extending outwards from the outer edge of the annular supporting seat, the two wire outlet plates are formed by extending upwards from the top surface of the fourth connecting plate, and a wire outlet groove is formed between the two wire outlet plates;
the wire frame comprises a first rectangular plate extending outwards from the inner side surface of the annular supporting seat, two second rectangular plates are formed by downwards extending two sides of the first rectangular plate, a second connecting plate is formed by outwards extending and bending the top surface of the first rectangular plate, the second connecting plate is abutted to the upper surface of the stator boss, the wire frame further comprises two third connecting plates, one side of each third connecting plate is bent upwards along the middle part to form a folded plate, the folded plate is connected with the second rectangular plate, a second groove is formed on the other side of each third connecting plate and the stator salient pole, and the slot wedge is inserted on the stator core through the second groove.
2. The stator assembly of claim 1, wherein: a plurality of first connecting plates are formed on the inner side surface of the top plate, each first connecting plate is formed by inwards protruding from one position of the inner side surface of the top plate, and each first connecting plate is bent downwards to form the slot wedge.
3. The stator assembly of claim 1, wherein: and a third groove is formed on two side surfaces of the pressing plate of the pressing ring respectively, an inserting piece is formed on the opposite end surfaces of the two outgoing line plates in an outward extending mode, and each inserting piece is located in the third groove.
4. The stator assembly of claim 1, wherein: the positioning device further comprises a second positioning plate and a third positioning plate which are formed by extending upwards from the upper end face of the annular supporting seat, a fifth connecting plate is arranged between the second positioning plate and the third positioning plate, the first positioning plate is arranged on the fifth connecting plate, and a positioning groove for placing the outgoing line is formed between the first positioning plate and the second positioning plate and between the first positioning plate and the third positioning plate respectively.
5. The stator assembly of claim 1, wherein: the bottom of the stator core is provided with the annular supporting seat so as to position the outgoing line.
6. The stator assembly of claim 1, wherein: the stator assembly further comprises a rubber ring arranged between the stator core and the compression ring.
7. An electric motor, characterized in that: a stator assembly comprising any one of the preceding claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151512.0A CN109728670B (en) | 2019-02-28 | 2019-02-28 | Stator assembly and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151512.0A CN109728670B (en) | 2019-02-28 | 2019-02-28 | Stator assembly and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109728670A CN109728670A (en) | 2019-05-07 |
| CN109728670B true CN109728670B (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910151512.0A Active CN109728670B (en) | 2019-02-28 | 2019-02-28 | Stator assembly and motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN109728670B (en) |
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| KR20080002206A (en) * | 2006-06-30 | 2008-01-04 | 한국델파이주식회사 | A stator of an alternator for a vehicle |
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| CN103633765A (en) * | 2013-11-18 | 2014-03-12 | 常州富兴机电有限公司 | Outgoing line device of miniature motor stator |
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| CN204497889U (en) * | 2015-04-29 | 2015-07-22 | 胡超 | The permanent magnetic brushless that rotor is dust-proof |
| CN106712357A (en) * | 2016-12-19 | 2017-05-24 | 东昌电机(深圳)有限公司 | Motor thread stand |
| CN107516951A (en) * | 2017-09-11 | 2017-12-26 | 珠海凯邦电机制造有限公司 | Stator module and there is its motor |
| CN107820660A (en) * | 2015-05-18 | 2018-03-20 | 罗伯特·博世有限公司 | Method for the stator of motor and for manufacturing this stator |
| CN109256924A (en) * | 2018-11-27 | 2019-01-22 | 珠海格力电器股份有限公司 | Rotor core, motor and air-conditioning system |
| CN209358323U (en) * | 2019-02-28 | 2019-09-06 | 东昌电机(深圳)有限公司 | A kind of stator module and motor |
-
2019
- 2019-02-28 CN CN201910151512.0A patent/CN109728670B/en active Active
Patent Citations (15)
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|---|---|---|---|---|
| JPH05227684A (en) * | 1992-02-13 | 1993-09-03 | Fuji Electric Co Ltd | Device for securing stator press ring of short circuit generator |
| CN101116234A (en) * | 2005-02-10 | 2008-01-30 | 罗伯特·博世有限公司 | Brushless DC machine, return ring packet, gear rim packet, and top piece of a dc machine, and method for the production of a brushless dc machine |
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| CN202997751U (en) * | 2012-12-06 | 2013-06-12 | 上海电气集团上海电机厂有限公司 | Stator clamping ring of large-scale motor connecting line terminal |
| WO2014095805A2 (en) * | 2012-12-20 | 2014-06-26 | Hilti Aktiengesellschaft | Stator assembly having a functional carrier |
| CN103633765A (en) * | 2013-11-18 | 2014-03-12 | 常州富兴机电有限公司 | Outgoing line device of miniature motor stator |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109728670A (en) | 2019-05-07 |
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Effective date of registration: 20200211 Address after: 518000 Guangtian green decoration industrial base Park, building 2, No. 86 Xiangyang Road, Yanchuan community, Yanluo street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Dongxingchang Technology (Shenzhen) Co.,Ltd. Address before: 518000, Shenzhen, Guangdong, Baoan District manhole street, Whampoa community, hung Tian Road, hung Tian, Jin Yuan Industrial Zone, building D, A24 third Applicant before: DONGCHANG MOTOR (SHENZHEN) Co.,Ltd. |
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