CN119154555A - Stepping motor and winding device - Google Patents
Stepping motor and winding device Download PDFInfo
- Publication number
- CN119154555A CN119154555A CN202411581165.2A CN202411581165A CN119154555A CN 119154555 A CN119154555 A CN 119154555A CN 202411581165 A CN202411581165 A CN 202411581165A CN 119154555 A CN119154555 A CN 119154555A
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- CN
- China
- Prior art keywords
- claw pole
- extending
- winding
- stepping motor
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
本发明提供了一种步进电机及绕线装置，其中，所述步进电机包括相对设置的两个夹板、两端分别支撑于两个所述夹板的转轴、套设固定于所述转轴的外周侧的磁钢以及套设于所述转轴的定子单元；所述定子单元包括与所述磁钢间隔设置的绕组；所述绕组包括呈中空且夹设于两个所述夹板之间的壳体、固定于所述壳体的其中一端且同轴设置的爪极以及绕设于所述爪极的外周侧的线圈，所述线圈的两端线头分别延伸至所述壳体外；所述爪极与所述线圈接触的部分以及所述壳体皆涂有绝缘涂层。本发明中的步进电机可以提升其有效布置空间，且在同体积的前提下，还能提升其扭矩。
The present invention provides a stepper motor and a winding device, wherein the stepper motor comprises two clamping plates arranged opposite to each other, a rotating shaft supported at both ends by the two clamping plates, a magnetic steel sleeved and fixed on the outer peripheral side of the rotating shaft, and a stator unit sleeved on the rotating shaft; the stator unit comprises a winding spaced apart from the magnetic steel; the winding comprises a hollow shell sandwiched between the two clamping plates, a claw pole fixed to one end of the shell and coaxially arranged, and a coil wound on the outer peripheral side of the claw pole, and the wire ends of the coil extend to the outside of the shell respectively; the part of the claw pole in contact with the coil and the shell are coated with an insulating coating. The stepper motor in the present invention can increase its effective layout space, and under the premise of the same volume, it can also increase its torque.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a stepping motor and a winding device.
Background
The stepping motor has been widely used in the fields of motors, generators, etc. because of its high working efficiency and energy saving and consumption reduction.
The stepping motor mainly comprises a rotating shaft, magnetic steel fixed on the peripheral side of the rotating shaft and a winding sleeved on the rotating shaft, wherein the winding mainly comprises a shell sleeved on the rotating shaft and rotationally connected with the rotating shaft, a claw pole fixed on the shell and coaxially arranged, an insulating framework fixed on the peripheral side of the claw pole and a coil fixed on the peripheral side of the framework.
In the related art, the stepping motor needs to design an insulating framework between the claw pole and the coil, so that the effective arrangement space of the stepping motor is reduced, and the torque of the stepping motor can be reduced on the premise of the same volume.
Therefore, it is necessary to provide a new stepping motor and winding device to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a novel stepping motor and a winding device, which are used for solving the problems that the effective arrangement space of the stepping motor in the related art is reduced and the torque of the stepping motor is reduced on the premise of the same volume.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a stepping motor comprising two clamping plates disposed opposite to each other, a rotating shaft having both ends supported by the two clamping plates and forming a rotational connection therewith, magnetic steel fitted around and fixed to an outer circumferential side of the rotating shaft, and a stator unit fitted around and fixed to the rotating shaft, the two clamping plates being disposed at both ends of the magnetic steel along an axial direction of the rotating shaft and spaced apart from the magnetic steel, respectively;
The winding comprises a hollow shell clamped between two clamping plates, a claw pole fixed at one end of the shell and coaxially arranged with the shell, and a coil wound on the outer peripheral side of the claw pole, wherein wire heads at two ends of the coil respectively extend out of the shell, and the part, which is contacted with the coil, of the claw pole and the shell are coated with insulating coatings.
Preferably, the claw pole comprises a fixing part fixed at one end of the shell and in a ring shape, and a plurality of extending parts formed by extending the inner periphery of the fixing part along the axial direction of the fixing part, wherein the extending parts are arranged at intervals, and the coil is wound and fixed on the outer periphery side of the extending parts.
Preferably, the housing comprises a hollow cylindrical part, a first annular fixing part formed by extending one end of the cylindrical part far away from the claw pole inwards, and a plurality of first extending parts formed by extending the inner periphery of the first fixing part along the axial direction of the first extending part, wherein the plurality of first extending parts are arranged at intervals, each first extending part extends to a position between two adjacent extending parts of the claw pole, and the claw pole is fixed at one end of the cylindrical part.
The winding further comprises a sheet-shaped framework, wherein the sheet-shaped framework comprises a platform part, a protruding part and two winding posts, the platform part is fixedly overlapped on one side of the fixing part close to the extending part, the protruding part is fixedly overlapped on the protruding part of the clamping part, the two winding posts are formed by protruding and extending from one side of the protruding part far away from the platform part, the two winding posts are arranged at intervals, and wire ends at two ends of the coil are respectively wound on the two winding posts.
Preferably, a side of the protruding portion away from the fixing portion is provided with an inwardly recessed lead groove extending from an inner peripheral side of the fixing portion to the winding post.
Preferably, the sheet skeleton further comprises a limiting bayonet formed by protruding and extending one side, close to the clamping part, of the protruding part, the clamping part is accommodated in the limiting bayonet in a butt joint mode, and the limiting bayonet and the fixing part are located on the same plane.
Preferably, the extension is covered by an insulating coating applied to the claw pole.
Preferably, the winding comprises a plurality of windings which are sequentially arranged along the axial direction of the rotating shaft respectively, and two fixing parts of any two adjacent windings are mutually pressed and fixed by welding.
The invention provides a winding device which is applied to the stepping motor, and comprises a hollow sleeve and a mandrel inserted into the sleeve, wherein the mandrel comprises a first section, a second section and a third section which are sequentially extended and are sequentially increased in outer diameter, the first section is used for sleeving a claw pole, the periphery of the second section is recessed to form an extension groove matched with an extension part of the claw pole, the third section is used for sleeving the sleeve, and when the claw pole is sleeved on the first section, each extension part is respectively clamped in one extension groove.
Compared with the prior art, the stepping motor has the advantages that the insulation coating is coated on the contact part of the claw pole and the coil and the shell, so that the coil can be directly fixed on the claw pole, the space occupied by the insulation framework is reserved, the effective arrangement space of the stepping motor is improved, when the lifted space is applied to the coil, the total number of turns of the coil can be lifted on the premise of the same volume, the torque of the stepping motor is improved, when the lifted space is applied to the magnetic steel, the outer diameter and the magnetic property of the magnetic steel can be increased on the premise of the same volume, and the torque of the stepping motor is improved, namely the stepping motor can be lifted on the premise of the same volume.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
fig. 1 is a schematic perspective view of a stepper motor according to a first embodiment of the present invention;
FIG. 2 is an exploded view of a portion of a stepper motor according to a first embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
Fig. 4 is an exploded view of a casing and a sheet-like frame of a stepper motor according to a first embodiment of the present invention;
Fig. 5 is a schematic structural diagram of a winding device after winding is completed according to a second embodiment of the present invention;
fig. 6 is an exploded view of the structure of fig. 5.
100 Parts of stepping motor, 1 part of clamping plate, 11 parts of bearing, 2 parts of rotating shaft, 3 parts of magnetic steel, 4 parts of winding, 41 parts of shell, 411 parts of cylinder, 412 parts of first fixing part, 413 parts of first extending part, 42 parts of claw pole, 421 parts of fixing part, 422 parts of extending part, 423 parts of clamping part, 424 parts of pressing part, 43 parts of coil, 44 parts of sheet-shaped framework, 441 parts of platform part, 442 parts of protrusion part, 4421 parts of lead groove, 443 parts of winding post, 444 parts of limit bayonet, 5 parts of gasket.
200. Winding device 201, sleeve 202, mandrel 2021, first section 2022, second section 20221, extension groove 2023 and third section.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment of the invention provides a stepping motor 100, which is shown in combination with figures 1 to 4, and comprises two clamping plates 1 which are oppositely arranged, a rotating shaft, magnetic steel 3 and a stator unit, wherein the two rotating shafts are respectively supported by the two clamping plates 1 at two ends and are in rotating connection with the two clamping plates, the magnetic steel 3 is sleeved and fixed on the outer peripheral side of the rotating shaft, the stator unit is sleeved and arranged on the rotating shaft, the two clamping plates 1 are respectively positioned at two ends of the magnetic steel 3 along the axial direction of the rotating shaft and are arranged at intervals with the magnetic steel 3, the stator unit comprises a winding 4 which is arranged at intervals with the magnetic steel 3, and the winding 4 is clamped and fixed between the two clamping plates 1.
Wherein, each clamping plate 1 is embedded and fixed with a bearing 11, and each clamping plate 1 is sleeved and fixed on the rotating shaft through the bearing 11 and is in rotating connection with the rotating shaft.
The windings 4 include a plurality of windings and are sequentially arranged along the axial direction of the rotating shaft, and the structures of the plurality of windings 4 are the same. In this embodiment, the windings 4 include two.
Specifically, the winding 4 includes a housing 41 which is hollow and sandwiched between the two clamping plates 1, a claw pole 42 which is fixed to one end of the housing 41 and is provided coaxially with the housing 41, and a coil 43 which is wound around the outer peripheral side of the claw pole 42, both ends of the coil 43 respectively extending to the outside of the housing 41, and both the portion of the claw pole 42 which contacts the coil 43 and the housing 41 are coated with an insulating coating.
The claw pole 42 includes a fixing portion 421 fixed to one end of the housing 41 and having a ring shape, a plurality of extending portions 422 formed by extending the inner periphery of the fixing portion 421 in the axial direction thereof, and a locking portion 423 formed by extending the outer periphery of the fixing portion 421 outward, the plurality of extending portions 422 are disposed at intervals, the locking portion 423 extends out of the housing 41, and the coil 43 is wound around and fixed to the outer periphery of the plurality of extending portions 422.
An insulating coating applied to the claw pole 42 covers the extension 422.
The claw pole 42 further includes a pressing portion 424 formed by extending outward from the outer periphery of the fixing portion 421, and the pressing portion 424 and the engaging portion 423 are located on opposite sides of the fixing portion 421. This design can better limit the claw pole 42 by the abutment 424 to restrict its rotational freedom.
The coil 43 may be wound around the outer periphery of the extension 422, or the wire may be preformed into a coil 43 matching the extension 422 and then fixed to the outer periphery of the extension 422.
In the present embodiment, the two fixing portions 421 of the two windings 4 are abutted against each other and fixed by welding. This can improve the fixing strength of the claw pole 42.
The housing 41 includes a hollow cylindrical portion 411, a first fixing portion 412 formed by extending an end of the cylindrical portion 411 away from the claw pole 42 inward and having a ring shape, and a plurality of first extending portions 413 formed by extending an inner periphery of the first fixing portion 412 along an axial direction thereof, wherein the plurality of first extending portions 413 are arranged at intervals, each of the first extending portions 413 extends between two adjacent extending portions 422 of the claw pole 42, and the fixing portion 421 of the claw pole 42 is fixed to one end of the cylindrical portion 411.
Specifically, the winding 4 further includes a sheet-like skeleton 44, the sheet-like skeleton 44 includes a platform portion 441 stacked and fixed on a side of the fixing portion 421 near the extending portion 422, a protruding portion 442 protruding from an outer peripheral side of the platform portion 441 and stacked and fixed on the locking portion 423, and two winding posts 443 formed by protruding and extending from a side of the protruding portion 442 away from the platform portion 441, the two winding posts 443 are disposed at intervals, and two ends of the coil 43 are wound around the two winding posts 443, respectively. This design facilitates the fixation of the ends of the coil 43.
The protruding portion 442 is provided with a lead groove 4421 recessed inward on a side away from the fixing portion 421, and the lead groove 4421 extends from an inner peripheral side of the fixing portion 421 to the winding post 443. This design allows for a yielding for one of the ends of the coil 43.
The sheet skeleton 44 further includes a limiting bayonet 444 formed by extending and protruding one side of the protruding portion 442 near the clamping portion 423, where the clamping portion 423 is accommodated in the limiting bayonet 444 in a abutting manner, and the limiting bayonet 444 and the fixing portion 421 are located on the same plane. The assembly and positioning can be realized through the cooperation between the limiting bayonet 444 and the clamping portion 423 through the design, and the freedom degree of rotation of the claw pole 42 is restrained.
Specifically, the stepper motor 100 further includes two spacers 5 sleeved and fixed on the rotating shaft and spaced from each other, and the two spacers 5 are respectively abutted against two ends of the magnetic steel 3.
Compared with the related art, the stepping motor 100 in this embodiment is provided with the insulating coating at the contact part of the claw pole 42 and the coil 43 and the housing 41, so that the coil 43 can be directly fixed on the claw pole 42, thereby freeing up the space occupied by the insulating framework to promote the effective arrangement space of the stepping motor 100, when the promoted space is applied to the coil 43, the total number of turns of the coil 43 can be promoted under the premise of the same volume to promote the torque of the stepping motor 100, when the promoted space is applied to the magnetic steel 3, the outer diameter and the magnetic property of the magnetic steel 3 can be increased under the premise of the same volume to promote the torque of the stepping motor 100, namely the stepping motor 100 can promote the effective arrangement space thereof and can also promote the torque thereof under the premise of the same volume.
Example two
The embodiment of the invention provides a winding device 200, which is applied to a stepping motor 100 in the first embodiment, and is shown in fig. 5 to 6, and includes a hollow sleeve 201 and a mandrel 202 inserted into the sleeve 201, wherein the mandrel 202 includes a first section 2021, a second section 2022 and a third section 2023, which sequentially extend and sequentially increase in outer diameter, the first section 2021 is used for sleeving a claw pole 42, the periphery of the second section 2022 is recessed to form an extension groove 20221 matched with an extension part 422 of the claw pole 42, the third section 2023 is used for sleeving the sleeve 201, and each extension part 422 is respectively clamped in one extension groove 20221 when the claw pole 42 is sleeved in the first section 2021.
The winding device 200 is mainly used for winding the coil 43 in the first embodiment around the extension portion 422 of the claw pole 42, when in use, the fixing portion 421 of the claw pole 42 is sleeved on the mandrel 202, the extension portion 422 is close to the sleeve 201, then one end of the coil 43 is wound and fixed on one winding post 443, the coil 43 is sequentially wound and fixed on the outer side of the extension portion 422, after the winding of the coil 43 is completed, the other end of the coil 43 is wound and fixed on the other winding post 443, then the mandrel 202 is pulled out from the fixing portion 421 of the claw pole 42, the sleeve 201 is propped against the coil 43, the coil 43 is prevented from being carried out, and after the mandrel 202 is pulled out of the sleeve 201, the sleeve 201 is taken away, and the winding of the coil 43 can be completed.
The number of the extension grooves 20221 is the same as that of the extension parts 422 and is matched with the structure, so as to avoid collapse or bending of the coil 43 when the coil is wound. Of course, according to practical requirements, the plurality of extending portions 422 and the plurality of extending portions 422 form at least a partially closed state or a fully closed state, respectively.
The winding device 200 in this embodiment can stably and rapidly wind the coil 43 around the extension portion 422 of the claw pole 42, so as to avoid unstable and slow winding of the coil 43.
While the invention has been described with respect to the above embodiments, it should be noted that modifications can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the invention.
Claims (9)
1. The stepping motor comprises two clamping plates which are oppositely arranged, a rotating shaft with two ends respectively supported on the two clamping plates and in rotary connection with the two clamping plates, magnetic steel sleeved on the outer peripheral side of the rotating shaft, and a stator unit sleeved on the rotating shaft, wherein the two clamping plates are respectively positioned at two ends of the magnetic steel along the axial direction of the rotating shaft and are arranged at intervals with the magnetic steel, the stator unit comprises windings which are arranged at intervals with the magnetic steel, the windings are clamped and fixed between the two clamping plates,
The winding comprises a hollow shell clamped between two clamping plates, a claw pole fixed at one end of the shell and coaxially arranged with the shell, and a coil wound on the outer peripheral side of the claw pole, wherein wire heads at two ends of the coil respectively extend out of the shell, and the part, which is contacted with the coil, of the claw pole and the shell are coated with insulating coatings.
2. The stepping motor according to claim 1, wherein the claw pole comprises a ring-shaped fixing portion fixed to one end of the housing, and a plurality of extending portions formed by extending an inner peripheral edge of the fixing portion in an axial direction thereof, the plurality of extending portions being disposed at intervals, and the coil is wound around and fixed to an outer peripheral side of the plurality of extending portions.
3. The stepping motor according to claim 2, wherein the housing comprises a hollow cylindrical portion, a first fixing portion formed by extending an end of the cylindrical portion away from the claw pole inward and having a ring shape, a plurality of first extending portions formed by extending an inner peripheral edge of the first fixing portion in an axial direction thereof, the plurality of first extending portions being arranged at intervals, each of the first extending portions extending between two adjacent extending portions of the claw pole, and the claw pole being fixed to one end of the cylindrical portion.
4. The stepping motor according to claim 2, wherein the claw pole further comprises a clamping portion formed by protruding and extending from the outer peripheral side of the fixing portion, the clamping portion extends out of the housing, the winding further comprises a sheet-shaped framework comprising a platform portion stacked and fixed on one side of the fixing portion close to the extending portion, a protruding portion protruding and extending from the outer peripheral side of the platform portion and stacked and fixed on the clamping portion, and two winding posts formed by protruding and extending from one side of the protruding portion away from the platform portion, the two winding posts are arranged at intervals, and two ends of the winding are wound on the two winding posts respectively.
5. The stepping motor according to claim 4, wherein a side of the protruding portion away from the fixing portion is provided with an inwardly recessed lead groove extending from an inner peripheral side of the fixing portion to the spool.
6. The stepping motor according to claim 4, wherein the sheet-like skeleton further comprises a limit bayonet formed by extending the protruding portion from a side of the protruding portion, which is close to the clamping portion, and the clamping portion is accommodated in the limit bayonet in an abutting manner, and the limit bayonet and the fixing portion are located on the same plane.
7. The stepper motor of claim 2, wherein an insulating coating applied to the claw pole covers the extension.
8. The stepping motor according to claim 1, wherein said winding includes a plurality of windings which are sequentially arranged in an axial direction of said rotary shaft, respectively, and two of said fixing portions of any adjacent two of said windings are pressed against each other and fixed by welding.
9. The winding device is applied to the stepping motor as claimed in claim 2, and is characterized by comprising a hollow sleeve and a mandrel inserted into the sleeve, wherein the mandrel comprises a first section, a second section and a third section which sequentially extend and sequentially increase in outer diameter, the first section is used for sleeving the claw pole, the periphery of the second section is recessed to form an extension groove matched with the extension part of the claw pole, the third section is used for sleeving the sleeve, and when the claw pole is sleeved on the first section, each extension part is respectively clamped in one extension groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411581165.2A CN119154555A (en) | 2024-11-07 | 2024-11-07 | Stepping motor and winding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411581165.2A CN119154555A (en) | 2024-11-07 | 2024-11-07 | Stepping motor and winding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119154555A true CN119154555A (en) | 2024-12-17 |
Family
ID=93806480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411581165.2A Pending CN119154555A (en) | 2024-11-07 | 2024-11-07 | Stepping motor and winding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119154555A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004112985A (en) * | 2002-07-25 | 2004-04-08 | Sankyo Seiki Mfg Co Ltd | Stepping motor and manufacturing method thereof |
| JP2004312820A (en) * | 2003-04-03 | 2004-11-04 | Aisan Ind Co Ltd | Method for manufacturing bobbin for step motor, mold and yoke used for manufacturing the same |
| JP2008236931A (en) * | 2007-03-22 | 2008-10-02 | Sanyo Electric Co Ltd | Claw-pole type outer stator |
| TW201110508A (en) * | 2009-09-07 | 2011-03-16 | Tricore Corp | Micro stepping motor without pulsation |
| CN207265837U (en) * | 2017-08-25 | 2018-04-20 | 爱美达（深圳）热能系统有限公司 | A kind of coil winding machine tringle and the device for increasing brushless motor stator winding space |
| CN209881521U (en) * | 2019-07-24 | 2019-12-31 | 江苏雷利电机股份有限公司 | Coil assembly, lead connecting device and synchronous motor |
| CN214480037U (en) * | 2020-12-31 | 2021-10-22 | 宁波九菱电机有限公司 | High-efficient wiring structure of stabilizing of motor |
| CN219960357U (en) * | 2023-05-29 | 2023-11-03 | 成都华川电装有限责任公司 | Motor rotor winding tool |
| CN118868448A (en) * | 2024-07-02 | 2024-10-29 | 瑞声光电科技(常州)有限公司 | Stepper Motor |
-
2024
- 2024-11-07 CN CN202411581165.2A patent/CN119154555A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004112985A (en) * | 2002-07-25 | 2004-04-08 | Sankyo Seiki Mfg Co Ltd | Stepping motor and manufacturing method thereof |
| JP2004312820A (en) * | 2003-04-03 | 2004-11-04 | Aisan Ind Co Ltd | Method for manufacturing bobbin for step motor, mold and yoke used for manufacturing the same |
| JP2008236931A (en) * | 2007-03-22 | 2008-10-02 | Sanyo Electric Co Ltd | Claw-pole type outer stator |
| TW201110508A (en) * | 2009-09-07 | 2011-03-16 | Tricore Corp | Micro stepping motor without pulsation |
| CN207265837U (en) * | 2017-08-25 | 2018-04-20 | 爱美达（深圳）热能系统有限公司 | A kind of coil winding machine tringle and the device for increasing brushless motor stator winding space |
| CN209881521U (en) * | 2019-07-24 | 2019-12-31 | 江苏雷利电机股份有限公司 | Coil assembly, lead connecting device and synchronous motor |
| CN214480037U (en) * | 2020-12-31 | 2021-10-22 | 宁波九菱电机有限公司 | High-efficient wiring structure of stabilizing of motor |
| CN219960357U (en) * | 2023-05-29 | 2023-11-03 | 成都华川电装有限责任公司 | Motor rotor winding tool |
| CN118868448A (en) * | 2024-07-02 | 2024-10-29 | 瑞声光电科技(常州)有限公司 | Stepper Motor |
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