CN102916506B - A kind of motor with sectional type stator - Google Patents
A kind of motor with sectional type stator Download PDFInfo
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- CN102916506B CN102916506B CN201210418272.4A CN201210418272A CN102916506B CN 102916506 B CN102916506 B CN 102916506B CN 201210418272 A CN201210418272 A CN 201210418272A CN 102916506 B CN102916506 B CN 102916506B
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- iron core
- stator iron
- motor
- axial location
- sectional type
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Abstract
The invention discloses a kind of motor with sectional type stator, comprise shell and multiple block stator iron core being provided with connection protuberance and coupling recess portion at two ends, yoke portion, described connection protuberance and the described coupling recess portion of adjacent two described block stator iron cores are fitting to connection mutually circular stator core, also comprise the axial location keyway arranged along described shell circumference, described block stator iron core is connected with the axial location keyway of described shell by axial location key.Provided by the invention have in the motor of sectional type stator, block stator iron core is connected with the axial location keyway of shell by axial location key, block stator iron core is reliable in the axially location of shell, block stator iron core is made to misplace in the axial direction thus to come off, ensure that and connect closely between block stator iron core, improve the bonding strength between block stator iron core.
Description
Technical field
The present invention relates to technical field of motors, particularly a kind of motor with sectional type stator.
Background technology
Motor refers to a kind of calutron realizing electric energy conversion according to the law of electromagnetic induction or transmit, and motor is in industrial and agricultural production, communications and transportation, national defence, business and the extensive use of each side such as household electrical appliance, medical appliance equipment.
The iron core of traditional motor stator adopts the electrical sheet of full wafer to be overrided to form mostly, owing to adopting the method for full circle punching, causes the utilance of silicon steel material very low; Because this type of iron core adopts wire insertion technology usually, cause motor stator winding end longer, and End winding cannot produce effective electromagnetic torque, copper cash waste is comparatively serious; In addition, in order to rule is convenient, stator rabbet is all larger, and the copper factor of motor is lower, thus affects the performance of motor.
The patent No. be CN201336587Y patent discloses a kind of block-partitioned type stator iron core structure, the iron core of this sectional type stator is made up of multiple block stator iron core, the two ends, yoke portion of each block stator iron core are provided with and connect protuberance and coupling recess portion, the connection protuberance of two adjacent block stator iron cores and coupling recess portion are chimeric mutually is finally spliced into circular stator iron core, the sectional type iron core of Cheng Yuanhou is fixed by anchor ear, anchor ear is fixedly by frictional force, block stator iron core is fixed into circular stator iron core with anchor ear, and between block stator iron core, bonding strength is lower.
The patent No. be CN201717686U patent discloses a kind of permanent magnetic motor stator for compressor, the left and right sides in the yoke portion of block stator iron core is respectively arranged with connection protuberance and the coupling recess portion of more than two, though bonding strength is strengthened to some extent, but when vibrating comparatively strong, between block stator iron core, easily there is obscission.
Therefore, the bonding strength between the block stator iron core how improving motor is the problem that those skilled in the art need to solve at present.
Summary of the invention
The object of this invention is to provide a kind of motor with sectional type stator, the bonding strength between the block stator iron core of this motor is higher.
To achieve these goals, the invention provides a kind of motor with sectional type stator, comprise shell and multiple block stator iron core being provided with connection protuberance and coupling recess portion at two ends, yoke portion, described connection protuberance and the described coupling recess portion of adjacent two described block stator iron cores are fitting to connection mutually circular stator core, also comprise the axial location keyway arranged along described shell circumference, described block stator iron core is fixedly connected with the axial location keyway of described shell by axial location key, to realize described block stator iron core and described shell fixing on axial location.
Preferably, described axial location key is annular key, and described axial location keyway is annular keyway.
Preferably, the punching assembly of described block stator iron core and described shell are provided with circumferential positioning spline, described block stator iron core is connected with described shell by circumferential positioning key.
Preferably, the two ends of described punching assembly are respectively arranged with the first solder-bump and the second solder-bump.
Preferably, rivet interlacement is passed through between the punching of described punching assembly.
Preferably, the insulating sleeve of described block stator iron core comprises the first mutually chimeric insulating sleeve of front end and the second insulating sleeve, and described first insulating sleeve and described second insulating sleeve are arranged on the teeth portion outer surface of described block stator iron core.
Preferably, described first insulating sleeve and/or described second insulating sleeve are provided with wire hole.
Preferably, described connection protuberance and described coupling recess portion are semi-circular structure.
Preferably, described connection protuberance and described coupling recess portion are splayed configuration structure.
Preferably, described axial location key is fixed by screws in described axial location keyway.
Sectional type stator motor provided by the invention, comprise shell, multiple block stator iron core and axial location key being provided with connection protuberance and coupling recess portion at two ends, yoke portion, connection protuberance and the coupling recess portion of two adjacent block stator iron cores are fitting to connection mutually circular stator core, shell is provided with axial location keyway along its circumference, and block stator iron core is connected with the axial location keyway of shell by axial location key.
Relative to above-mentioned background technology, provided by the invention have in the motor of sectional type stator, block stator iron core is connected with the axial location keyway of shell by axial location key, block stator iron core is reliable in the axially location of shell, block stator iron core is made to misplace in the axial direction thus to come off, ensure that and connect closely between block stator iron core, improve the bonding strength between block stator iron core.
Accompanying drawing explanation
A kind of structural representation with the motor of sectional type stator that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the structural representation of the annular key of motor shown in Fig. 1;
The structural representation of the punching assembly that Fig. 3 is motor shown in Fig. 1;
Fig. 4 is the sectional view of Fig. 3;
Fig. 5 is the partial enlarged drawing of motor shown in Fig. 1;
Fig. 6 is that the A-A of Fig. 5 is to cross-sectional schematic;
A kind of decomposition texture schematic diagram with the block stator iron core of the motor of sectional type stator that Fig. 7 provides for the embodiment of the present invention;
What Fig. 8 provided for the embodiment of the present invention a kind ofly has the connection protuberance of the motor of sectional type stator and the splayed configuration structural representation of coupling recess portion;
What Fig. 9 provided for the embodiment of the present invention a kind ofly has the connection protuberance of the motor of sectional type stator and the semi-circular structural representation of coupling recess portion.
Embodiment
Core of the present invention is to provide between a kind of block stator iron core and connects the motor reliably with sectional type stator.
In order to make those skilled in the art understand the present invention program better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Please refer to Fig. 1-Fig. 9, in a kind of embodiment, a kind of motor with sectional type stator provided by the invention, comprise shell, multiple block stator iron core and axial location key being provided with connection protuberance and coupling recess portion at two ends, yoke portion 16, connection protuberance and the coupling recess portion of two adjacent block stator iron cores are fitting to connection mutually circular stator core, shell is provided with axial location keyway along its circumference, and block stator iron core is connected with the axial location keyway of shell by axial location key.Block stator iron core forms primarily of punching assembly 5, insulating sleeve and stator winding, the punching assembly 5 of block stator iron core is formed by silicon steel plate stacking and two ends are provided with connection protuberance and coupling recess portion, insulating sleeve is arranged at punching assembly 5 outer surface makes stator winding and punching assembly 5 insulate, and stator winding is be arranged at the coil of insulating sleeve outer surface for cutting magnetic field.The teeth portion 17 of block stator iron core is the recess of the punching assembly 5 of block stator iron core, is namely wound around the position of stator winding.The yoke portion 16 of block stator iron core is the protuberance of the punching assembly 5 of block stator iron core, the position that namely adjacent block stator iron core is connected.Above-mentioned axis is the axis of shell, and circumference is the circumference of shell.Above-mentioned connection protuberance and coupling recess portion can be square connection protuberance 7 and square coupling recess portion 8.Above-mentioned shell can be motor housing 1 or stator casing etc., and block stator iron core directly can be axially fixed in motor housing 1 li, also can be axially fixed in stator casing, and stator casing is fixed on motor housing 1 li again.
Have in the motor of sectional type stator traditional, block stator iron core and shell are by draw-in groove or weld circumferential fixing, the motor with sectional type stator provided by the invention on the basis of the above, block stator iron core is connected with the axial location keyway of shell by axial location key, block stator iron core is reliable in the axially location of shell, block stator iron core is made to misplace in the axial direction thus to come off, ensure that and connect closely between block stator iron core, improve the bonding strength between block stator iron core.
In addition, axial location key is annular key 4, and the axial location keyway on shell is annular keyway 15.Annular key 4 coordinates the annular keyway 15 on shell to be axially fixed in shell by block stator iron core, the shape of annular key 4 and annular keyway and the shape of shell more identical, be convenient to the processing of annular keyway on shell, be also convenient to the installation of annular key 4.Annular key 4 makes block stator iron core be fixed on more reliably in shell.
In addition, the punching assembly 5 of block stator iron core and shell are provided with circumferential positioning spline, block stator iron core is connected with shell by circumferential positioning key.Above-mentioned circumferential positioning spline is called punching assembly circumference positioning spline 10 on the punching assembly 5 of block stator iron core, and shell is called shell circumference positioning spline 2.Circumference positioning key make block stator iron core circumference fixing reliable and block stator iron core when mounted comparatively for convenience of and ensure that the consistency of block stator iron core position in shell.Circumference positioning key can be flat key 19 or wedge key, and corresponding circumferential positioning spline is flat key groove or wedge key groove.Above-mentioned circumference is the circumference of shell.
More reliable in order to make to connect between block stator iron core, the two ends of punching assembly 5 are respectively arranged with the first solder-bump 61 and the second solder-bump 62.After the connection protuberance of block stator iron core and coupling recess portion are fitting to connection mutually circular stator core, solder-bump 61 and the solder-bump 62 of adjacent block stator iron core fit together, and make the connection between block stator iron core more reliable by welding.Laser Welding can be used to ensure temperature to be unlikely to too high during welding to cause short circuit and damage stator winding between punching.
Further, connected by rivet 9 between the punching of punching assembly 5.Punching scribbles insulating coating to make to insulate between punching, 9, rivet can not destroy insulating coating, so rivet interlacement is comparatively reliable and ensure to insulate between punching.The quantity of rivet can be one or more, the yoke portion 16 of punching assembly 5 arranges 2 rivets and to arrange the effect of 1 rivet in teeth portion 17 better.
Further, the insulating sleeve of block stator iron core comprises teeth portion 17 outer surface that the first mutually chimeric insulating sleeve 13 of front end and the second insulating sleeve 14, first insulating sleeve 13 and the second insulating sleeve 14 are arranged on block stator iron core.Split type insulating sleeve is convenient to install, and the first insulating sleeve 13 and the second insulating sleeve 14 mutually chimeric guarantee reliably insulate between stator winding and punching assembly 5.
In order to save the length of stator winding, the first insulating sleeve 13 and/or the second insulating sleeve 14 are provided with wire hole 18.The canoe that wire hole 18 can change stator winding makes the length of stator winding reduce, and provides cost savings.First insulating sleeve 12 and the second insulating sleeve 14 all set out string holes 18 effect better.
In addition, the connection protuberance of block stator iron core and coupling recess portion are semi-circular structure 11.Semicircular structure 11 is comparatively round and smooth, and the connection protuberance of block stator iron core and link recess are easier to when identical, and semi-circular structure 11 makes block stator iron core more convenient when mounted and connects reliable.
In addition, the connection protuberance of block stator iron core and coupling recess portion can also be splayed configuration structure 12.Splayed structure 12 to make between adjacent block stator iron core not only radial fixing and circumference is fixing.Above-mentioned radial direction and circumference are radial direction and the circumference of shell.
In order to ensure axial location key fixing more reliably in axial location keyway, axial location key is fixed in axial location keyway by screw 3.Axial location key also can wait other to be fixedly connected with mode by welding and be fixed in axial location keyway.
Above a kind of motor with sectional type stator provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection range of the claims in the present invention.
Claims (10)
1. one kind has the motor of sectional type stator, comprise shell and multiple block stator iron core being provided with connection protuberance and coupling recess portion at yoke portion (16) two ends, described connection protuberance and the described coupling recess portion of adjacent two described block stator iron cores are fitting to connection mutually circular stator core, it is characterized in that, also comprise the axial location keyway arranged along described shell circumference, described block stator iron core is fixedly connected with the axial location keyway of described shell by axial location key, to realize described block stator iron core and described shell fixing on axial location.
2. have the motor of sectional type stator as claimed in claim 1, it is characterized in that, described axial location key is annular key (4), and described axial location keyway is annular keyway (15).
3. there is the motor of sectional type stator as claimed in claim 1, it is characterized in that, the punching assembly (5) of described block stator iron core and described shell are provided with circumferential positioning spline, and described block stator iron core is connected with described shell by circumferential positioning key.
4. have the motor of sectional type stator as claimed in claim 3, it is characterized in that, the two ends of described punching assembly (5) are respectively arranged with the first solder-bump (61) and the second solder-bump (62).
5. there is the motor of sectional type stator as claimed in claim 3, it is characterized in that, connected by rivet (9) between the punching of described punching assembly (5).
6. there is the motor of sectional type stator as claimed in claim 1, it is characterized in that, the insulating sleeve of described block stator iron core comprises mutually chimeric the first insulating sleeve (13) in front end and the second insulating sleeve (14), described first insulating sleeve (13) and described second insulating sleeve (14) be arranged on described block stator iron core teeth portion (17) outer surface.
7. there is the motor of sectional type stator as claimed in claim 6, it is characterized in that, described first insulating sleeve (13) and/or described second insulating sleeve (14) are provided with wire hole (18).
8. have the motor of sectional type stator as claimed in claim 1, it is characterized in that, described connection protuberance and described coupling recess portion are semi-circular structure (11).
9. have the motor of sectional type stator as claimed in claim 1, it is characterized in that, described connection protuberance and described coupling recess portion are splayed configuration structure (12).
10. the motor with sectional type stator as described in any one of claim 1-9, is characterized in that, described axial location key is fixed in described axial location keyway by screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210418272.4A CN102916506B (en) | 2012-10-26 | 2012-10-26 | A kind of motor with sectional type stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210418272.4A CN102916506B (en) | 2012-10-26 | 2012-10-26 | A kind of motor with sectional type stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102916506A CN102916506A (en) | 2013-02-06 |
| CN102916506B true CN102916506B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210418272.4A Active CN102916506B (en) | 2012-10-26 | 2012-10-26 | A kind of motor with sectional type stator |
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| CN (1) | CN102916506B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762757B (en) * | 2014-01-10 | 2017-02-08 | 广东美的智能科技有限公司 | Servo motor iron core, servo motor iron core tool and servo motor iron core manufacturing method |
| CN104393731B (en) * | 2014-11-25 | 2017-05-31 | 重庆长安汽车股份有限公司 | A kind of new-energy automobile and its permagnetic synchronous motor |
| CN105351201A (en) * | 2015-12-08 | 2016-02-24 | 珠海凌达压缩机有限公司 | Compressor and heat exchanging device |
| CN110912295A (en) * | 2019-11-07 | 2020-03-24 | 联创汽车电子有限公司 | Stator monomer and motor stator unit |
| CN112003410B (en) * | 2020-08-24 | 2021-12-14 | 珠海格力电器股份有限公司 | Casing subassembly, casing, piecemeal stator assembly subassembly, stator assembly and motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171732A (en) * | 2005-04-15 | 2008-04-30 | 库尔茨-卡施公司 | Over molded stator |
| CN201336587Y (en) * | 2008-12-30 | 2009-10-28 | 卧龙电气集团股份有限公司 | Block-partitioned type stator iron core structure |
| FR2957730A1 (en) * | 2010-03-17 | 2011-09-23 | Converteam Technology Ltd | ROTATING ELECTRICAL MACHINE WITH STATOR WITH CONCENTRIC WINDINGS |
| CN202034835U (en) * | 2011-05-13 | 2011-11-09 | 浙江众邦机电科技有限公司 | Sectional motor stator iron core used on sewing machine |
| CN102738939A (en) * | 2012-07-04 | 2012-10-17 | 美的集团有限公司 | Insulating frame of motor with segmented stator |
| DE102011017456A1 (en) * | 2011-04-18 | 2012-10-18 | Sew-Eurodrive Gmbh & Co. Kg | Stator segment for a segmented stator of an electric motor, stator of similar stator segments and method for producing a stator of stator segments |
-
2012
- 2012-10-26 CN CN201210418272.4A patent/CN102916506B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101171732A (en) * | 2005-04-15 | 2008-04-30 | 库尔茨-卡施公司 | Over molded stator |
| CN201336587Y (en) * | 2008-12-30 | 2009-10-28 | 卧龙电气集团股份有限公司 | Block-partitioned type stator iron core structure |
| FR2957730A1 (en) * | 2010-03-17 | 2011-09-23 | Converteam Technology Ltd | ROTATING ELECTRICAL MACHINE WITH STATOR WITH CONCENTRIC WINDINGS |
| DE102011017456A1 (en) * | 2011-04-18 | 2012-10-18 | Sew-Eurodrive Gmbh & Co. Kg | Stator segment for a segmented stator of an electric motor, stator of similar stator segments and method for producing a stator of stator segments |
| CN202034835U (en) * | 2011-05-13 | 2011-11-09 | 浙江众邦机电科技有限公司 | Sectional motor stator iron core used on sewing machine |
| CN102738939A (en) * | 2012-07-04 | 2012-10-17 | 美的集团有限公司 | Insulating frame of motor with segmented stator |
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| CN102916506A (en) | 2013-02-06 |
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Effective date of registration: 20200109 Address after: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee after: Chongqing Chang'an Automobile Co., Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: Chongqing Chang'an New Energy Automobile Co., Ltd. Patentee before: Chongqing Chang'an Automobile Co., Ltd. |
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