CN217135249U - Magnetic steel sheet mounting structure and appurtenance of external rotor motor - Google Patents
Magnetic steel sheet mounting structure and appurtenance of external rotor motor Download PDFInfo
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- CN217135249U CN217135249U CN202123061050.5U CN202123061050U CN217135249U CN 217135249 U CN217135249 U CN 217135249U CN 202123061050 U CN202123061050 U CN 202123061050U CN 217135249 U CN217135249 U CN 217135249U
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- steel sheet
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Abstract
The utility model belongs to the technical field of external rotor motors, in particular to a magnetic steel sheet mounting structure and an auxiliary tool of an external rotor motor, which comprises a shell; a mounting portion disposed within the housing; the magnetic steel sheets are arranged on the inner wall of the mounting part and used as a rotor of the motor; inserts are arranged between every two adjacent magnetic steel sheets and used for filling gaps formed between every two adjacent magnetic steel sheets and surrounded by the inner wall of the installation portion. The insert limits the deviation and movement of the magnetic steel sheet when the magnetic steel sheet is installed on the installation part, so that the magnetic steel sheet can be more stable when installed on the installation part. Meanwhile, the insert is fixed between the magnetic steel sheets through extrusion and friction force between the magnetic steel sheets in the installation process, so that a ring groove does not need to be formed in the installation part, the condition that the ring groove influences glue water flowing downwards does not exist, and the stability of the magnetic steel sheets on the installation part is ensured.
Description
Technical Field
The utility model relates to an external rotor electric machine technical field refers in particular to an external rotor electric machine's magnetic steel sheet mounting structure and appurtenance.
Background
The outer rotor motor comprises a rotor and a stator, wherein the rotor is arranged at the periphery of the stator, magnetic steel is arranged in the rotor, the magnetic steel is usually directly fixed on the inner wall of a rim, a high-strength adhesive is usually adopted, the magnetic steel is directly attached to the inner wall of the rim by glue, the traditional method for attaching the magnetic steel comprises the step of attaching the magnetic steel to the inner wall of the rim by utilizing an automatic magnetic steel attaching device, and because mutual attraction and repulsion exist between the magnetic steels, after the first piece of magnetic steel is attached, the second piece of magnetic steel can be attached after the adhesive is solidified, so that the production efficiency is not high.
For example, in the outer rotor of the hub motor of the electric vehicle with the spacer of the chinese patent application No. 202011314369.1, an annular groove needs to be formed on the inner wall of the mounting portion to position and fix the spacer, but when glue is dropped to fix the magnetic steel sheet by an installer, the annular groove can prevent the glue from flowing down to enter the gap between the magnetic steel sheet and the mounting portion, so that the amount of the glue is not enough, and the fixation of the magnetic steel sheet on the mounting portion is affected.
Disclosure of Invention
The utility model aims at providing an external rotor electric machine's magnetic steel piece mounting structure and appurtenance.
The purpose of the utility model is realized like this:
a magnetic steel sheet mounting structure of an outer rotor motor comprises
A housing;
a mounting portion disposed within the housing;
the magnetic steel sheets are arranged on the inner wall of the mounting part and used as a rotor of the motor;
inserts are arranged between every two adjacent magnetic steel sheets and used for filling gaps formed between every two adjacent magnetic steel sheets and surrounded by the inner wall of the installation portion.
Preferably, flow guide surfaces are formed on the top end of the insert close to the two sides of the magnetic steel sheet, and the flow guide surfaces extend downwards from the middle of the top end of the insert to the two sides in an inclined mode.
Preferably, the tail end of the insert extends to two sides to form a projection, and the end angle of the magnetic steel sheet on two sides of the insert abuts against the projection.
Preferably, the length of the insert is smaller than that of the magnetic steel sheet;
when the insert is inserted between two adjacent magnetic steel sheets, a drainage groove for guiding glue is formed in a gap between the insert and the two adjacent magnetic steel sheets.
Preferably, the mounting portion is a circular ring, and the magnetic steel sheets are arranged on the inner wall of the mounting portion in a circumferential array with the axis of the circular ring as a circle center.
Preferably, the installation part is a metal ring, and the magnetic steel sheet can be adsorbed on the inner wall of the metal ring through magnetic force.
Preferably, the shell is a rim, and the outer rotor motor is a hub motor; the installation part is welded on the inner side of the rim, or the installation part and the rim are integrally formed.
The utility model provides an appurtenance of subsides magnetic steel piece, is applied to as above an external rotor electric machine's magnetic steel piece mounting structure, includes the main part, this main part has the annular end that inserts of circle, and the week side shaping that inserts the end has step portion, evenly arranged the vertical location strip of a plurality of on the step portion, step portion and two adjacent location strips surround and form the constant head tank that is used for prepositioning magnetic steel piece.
Preferably, the length of the positioning strip is less than that of the magnetic steel sheet to be assembled.
Preferably, the positioning strip and the step part form a positioning groove with a rectangular cross section.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
1. the utility model discloses an skew and the motion when inserts restriction magnetic steel piece is installed on the installation department can be more stable when making the magnetic steel piece install on the installation department. Meanwhile, the insert is fixed between the magnetic steel sheets through extrusion and friction force between the magnetic steel sheets in the installation process, so that a ring groove does not need to be formed in the installation part, the condition that the ring groove influences glue water flowing downwards does not exist, and the stability of the magnetic steel sheets on the installation part is ensured.
2. The utility model discloses an appurtenance that non-magnetic material or weak magnetic material made realizes prepositioning and certain limiting displacement to the magnetic steel piece, and in addition the magnetic steel piece realizes the installation of magnetic steel piece on metal ring to magnetic material and non-magnetic force's difference effect. The whole process operation flow is simple, and other structures do not need to be arranged on the mounting part, so that certain process steps are saved compared with the prior art, the condition that glue water flows downwards to enter a gap between the magnetic steel sheet and the mounting part due to the obstruction of the ring grooves cannot exist, the glue water can smoothly enter the gap, and the fixation between the steel sheet and the mounting part is completed.
Drawings
Fig. 1 is an overall structural schematic diagram of an outer rotor motor.
Fig. 2 is an enlarged view of fig. 1 at a.
Fig. 3 is an exploded view of the outer rotor motor.
Fig. 4 is a schematic structural view of the insert.
Fig. 5 is a basic installation diagram of the auxiliary tool.
Fig. 6 is a schematic structural view of the auxiliary tool.
Fig. 7 is an enlarged view of fig. 6 at B.
Reference numerals: 1. a magnetic steel sheet;
2. an auxiliary tool; 21. a main body; 22. a step portion; 23. a positioning bar; 24. positioning a groove; 25. an insertion end;
3. an installation part;
4. an insert; 41. a flow guide surface; 42. a bump;
5. an insertion position; 6. a drainage groove; 7. a housing.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 3, a magnetic steel sheet mounting structure of an outer rotor motor includes a housing 7, a mounting portion 3, and a plurality of magnetic steel sheets 1. The outer rotor motor is generally applied to a wheel, namely, the outer rotor motor is used as a hub motor, and at the moment, a shell 7 of the outer rotor motor is a rim of the wheel. The installation part 3 is arranged in the shell 7, and the magnetic steel sheets 1 are arranged on the inner wall of the installation part 3 and used as a rotor of the motor to be matched with a stator in a wheel hub to realize the rotation of the wheel hub.
When the required power of vehicle is less, promptly motor power is less, magnet steel sheet 1 is then less to wheel hub's inner wall can regard as installation department 3, and magnet steel sheet 1 directly sets up the bulge position in wheel hub inner wall middle part can, promptly installation department 3 and rim integrated into one piece. When the required power of vehicle is great, promptly when motor power is great, magnetic steel sheet 1 is then great, magnetic steel sheet 1 sets up the bulge position that wheel hub can be stretched out at its upper and lower both ends when the bulge position at wheel hub inner wall middle part, thereby probably cause magnetic steel sheet 1 to fix and make unstable inadequately on wheel hub, it breaks away from magnetic steel sheet 1 to become flexible easily, installation department 3 generally chooses for use the metal ring this moment, the extension of metal ring welded fastening as wheel hub inner wall bulge position in wheel hub, the height of metal ring is higher than magnetic steel sheet 1, thereby as shown in figure 1, magnetic steel sheet 1 can wholly be located the inner wall of metal ring, guarantee that magnetic steel sheet 1 and installation department 3 are connected more stably.
In the present embodiment, the mounting portion 3 is preferably a metal ring. Therefore, in the process that an installer installs the magnetic steel sheet 1 on the installation part 3, the magnetic force of the magnetic steel sheet 1 which can pass through is absorbed on the inner wall of the metal ring, the pre-positioning of the magnetic steel sheet 1 on the installation part 3 is completed, and the installer can adjust the magnetic steel sheet 1 or carry out the next procedure.
As shown in fig. 1, the arrangement of the magnetic steel sheets 1 on the mounting portion 3 is preferably arranged on the inner wall of the mounting portion 3 in a circumferential array with the axis of the metal ring as the center of circle, so that the magnetic steel sheets are more beautiful and orderly, and when the magnetic steel sheets 1 rotate as a rotor, the stress is more uniform, and the overall operation of the motor is more stable.
The magnetic steel sheets 1 are cuboid, and the inner wall of the mounting part 3 is a circular arc surface, so that a gap is formed between the adjacent magnetic steel sheets 1 and the inner wall of the mounting part 3; during the production process, the gap needs to be filled with glue to ensure the stable connection of the magnetic steel sheet 1 on the mounting part 3.
In the prior art, the spacer bush is adopted to fill the gap between the magnetic steel sheets 1, but in this way, a ring groove needs to be formed on the inner wall of the mounting part 3 so as to position and fix the spacer bush, but when glue is dripped by an installer to fix the magnetic steel sheets 1, the ring groove can prevent the glue from flowing downwards to enter the gap between the magnetic steel sheets 1 and the mounting part 3, so that the glue amount is possibly insufficient, and the fixation of the magnetic steel sheets 1 on the mounting part 3 is influenced.
With reference to fig. 1-3, and all be provided with inserts 4 between two adjacent magnetic steel sheets 1 in this application, inserts 4 are used for filling adjacently the space that encloses with installation department 3 inner wall between the magnetic steel sheet 1 to skew and motion when installing on installation department 3 through inserts 4 restriction magnetic steel sheet 1 can be more stable when making magnetic steel sheet 1 install on installation department 3. Simultaneously because inserts 4 realizes fixing between magnetic steel sheet 1 through the extrusion between the magnetic steel sheet 1 and frictional force in the installation to need not to set up the annular on installation department 3, and then can not have the condition that the annular influences the glue and flow down, stability when guaranteeing magnetic steel sheet 1 on installation department 3.
As shown in fig. 2, flow guide surfaces 41 are formed on both sides of the top end of the insert 4 close to the magnetic steel sheet 1, and the flow guide surfaces 41 extend downwards from the middle of the top end of the insert 4 to both sides in an inclined manner. Therefore, when glue flows downwards along the inside of the mounting part 3, the glue flowing to the insert 4 can be guided to flow to the peripheral side of the magnetic steel sheet 1 through the flow guide surface 41 to reinforce the magnetic steel sheet 1, so that the stability of the magnetic steel sheet 1 mounted on the mounting part 3 is further improved.
Further, as shown in fig. 2, the length of the insert 4 is smaller than that of the magnetic steel sheets 1, and when the insert 4 is inserted between two adjacent magnetic steel sheets 1, a drainage groove 6 for guiding glue is formed in a gap between the insert 4 and the two adjacent magnetic steel sheets 1. When glue flows downwards, the drainage grooves 6 guide the glue to flow to the flow guide surface 41 firstly, and then the flow guide surface 41 guides the glue to flow to the peripheral side of the magnetic steel sheet 1, so that the guide of the glue and the guarantee of the stability of the magnetic steel sheet 1 are realized through the matching of the drainage grooves 6 and the flow guide surface 41.
As shown in fig. 2, the tail end of the insert 4 extends to two sides to form a projection 42, and the end corners of the magnetic steel sheets 1 on two sides of the insert 4 abut against the projection 42. Thereby restricting the displacement of the magnetic steel sheet 1 by the projection 42 and preventing the magnetic steel sheet 1 from moving down.
A method for attaching a magnet steel sheet of an outer rotor motor, as shown in fig. 1, 5-7, generally used for mounting a magnet steel sheet 1 of a hub motor, comprising the steps of:
s1: a plurality of magnetic steel sheets 1 are annularly arranged on the peripheral side of the auxiliary tool 2; the auxiliary tool 2 is made of a non-magnetic material or a weakly magnetic material; the auxiliary tool 2 is provided with a circular insertion end 25, the surface of the insertion end 25 is uniformly provided with a plurality of positioning grooves 24, and the magnetic steel sheets 1 are arranged in the positioning grooves 24 to realize the pre-fixing of the magnetic steel sheets 1, so that the plurality of magnetic steel sheets 1 can be arranged and distributed in advance according to the installation sequence designed by a designer through the arrangement of the positioning grooves 24.
S2: sleeving a shell 7 in an outer rotor motor on the outer side of the auxiliary tool 2, wherein an annular metal mounting part 3 is arranged in the shell 7, and the mounting part 3 is positioned on the outer side of the magnetic steel sheet 1; when the magnetic steel sheet 1 extends into the mounting part 3, the magnetic steel sheet is adsorbed on the inner wall of the mounting part 3 through the magnetic force of the magnetic steel sheet; therefore, the magnetic steel sheets 1 can be jointed and fixed from the auxiliary tool 2 to the inner wall of the mounting part 3 according to the arranged sequence.
S3: a plurality of inserts 4 are respectively inserted between two adjacent magnetic steel sheets 1, meanwhile, the auxiliary tool 2 is withdrawn from the shell 7, and the magnetic steel sheets 1 are separated from the positioning grooves 24 and still adsorbed on the inner wall of the mounting part 3. Thereby it is adjacent to fill through inserts 4 the space that encloses with the 3 inner walls of installation department between the magnetic steel sheet 1, auxiliary tool 2 withdraws from simultaneously also can make magnetic steel sheet 1 break away from auxiliary tool 2 completely and adsorb on installation department 3, realizes the preliminary fixed of magnetic steel sheet 1 on installation department 3.
S4: and then glue is dripped into a gap between the inner wall of the mounting part 3 and the magnetic steel sheet 1. Since the magnetic force of the magnetic steel sheet 1 itself may be small, the complete fixation of the magnetic steel sheet 1 on the mounting portion 3 is accomplished by glue.
Thereby this application realizes the pre-positioning and certain limiting displacement to magnetic steel sheet 1 through appurtenance 2 that non-magnetic material made, and magnetic steel sheet 1 realizes the installation of magnetic steel sheet 1 on metal ring to the difference effect of magnetic material and non-magnetic force in addition. The whole process operation flow is simple, and other structures do not need to be arranged on the mounting part 3, so that certain process steps are saved compared with the prior art, the condition that glue water flows downwards to enter a gap between the magnetic steel sheet 1 and the mounting part 3 due to the obstruction of the ring grooves is avoided, the glue water can smoothly enter the gap, and the fixation between the steel sheet and the mounting part 3 is completed.
The auxiliary tool 2 can be made of non-magnetic materials or weak magnetic materials such as stainless steel and plastic. As shown in fig. 6, the auxiliary tool 2 includes a main body 21 having an annular insertion end 25, a step portion 22 is formed on the periphery of the insertion end 25, a plurality of positioning strips 23 extending along the height direction of the main body 21 are formed on the step portion 22, in this embodiment, a plurality of vertical positioning strips 23 are uniformly arranged on the step portion 22, and the step portion 22 and two adjacent positioning strips 23 surround to form the positioning slot 24. Therefore, the magnetic steel sheet 1 is prepositioned through the positioning groove 24, the magnetic steel sheet 1 is limited to move downwards through the step part 22, the magnetic steel sheet 1 is limited to deviate towards the directions of two sides of the magnetic steel sheet 1 through the positioning strip 23, the magnetic steel sheet 1 can only be separated from the auxiliary tool 2 from a specific direction, and the magnetic steel sheet 1 can be accurately adsorbed on the inner wall of the installation part 3 after being separated from the auxiliary tool 2.
Wherein, as shown in fig. 6, a plurality of in this embodiment location strip 23 is preferred with the axle center of main part 21 is the circumference array shaping on step portion 22 as the centre of a circle, and a plurality of magnetic steel sheet 1 all is the cuboid, location strip 23 forms the constant head tank 24 that the cross-section is rectangular with step portion 22 to a plurality of magnetic steel sheets 1 and constant head tank 24 through the same specification, make the cooperation between magnetic steel sheet 1 and the constant head tank 24 simpler, the user need not to detect cooperation position between them, can all fill in magnetic steel sheet 1 of same specification in auxiliary tool 2's arbitrary constant head tank 24.
Further, in S2, the auxiliary tool 2 is fixedly disposed, the mounting portion 3 is sleeved from top to bottom outside the auxiliary tool 2, or the housing 7 of the external rotor motor is fixedly disposed, and the auxiliary tool 2 enters from bottom to top and extends into the mounting portion 3. Therefore, the step part 22 can always limit the magnetic steel sheet 1 to move downwards or drive the magnetic steel sheet 1 to move upwards, and the magnetic steel sheet 1 is prevented from being separated from the auxiliary tool 2 too early and being adsorbed on the mounting part 3 to cause dislocation. The distance between the insertion end 25 and the installation part 3 is smaller than the thickness of the magnetic steel sheet 1, namely, when the insertion end 25 and the installation part 3 are attached to each other, the length of a gap between the insertion end 25 and the installation part 3 is smaller than the thickness of the magnetic steel sheet 1, so that when the auxiliary tool 2 pushes the installation part 3 inwards, the magnetic steel sheet 1 is always partially abutted against the auxiliary tool 2, and the magnetic steel sheet is ensured not to drop midway. Further, even if the magnetic steel sheet 1 is adsorbed on the mounting portion 3 midway, the auxiliary tool is not influenced to continue to push into the mounting portion 3, and the step portion 22 can still drive the magnetic steel sheet 1 to continue to push inwards, so that the position of the magnetic steel sheet 1 is ensured.
In S3, the auxiliary tool 2 is detached from the mounting portion 3 from the top to the bottom. Therefore, when the auxiliary tool 2 sends the magnetic steel sheet 1 to the set position, and the magnetic steel sheet 1 is adsorbed on the inner wall of the mounting part 3, the auxiliary tool 2 moves downwards, the step part 22 does not limit the movement of the magnetic steel sheet 1 any more, so that the magnetic steel sheet 1 can be completely separated from the auxiliary tool 2 from the opening of the positioning groove 24 and then accurately fixed on the inner wall of the mounting part 3.
Further, as shown in fig. 7, the length of the positioning strip 23 is smaller than that of the magnetic steel sheet 1, when the magnetic steel sheet 1 is disposed in the positioning groove 24, a gap is formed between the upper ends of two adjacent magnetic steel sheets, and the gap between the positioning strip 23 and two adjacent magnetic steel sheets 1 serves as an insertion position 5 for the insert 4 to be inserted in a directional manner. Therefore, the insert 4 is guided to be inserted through the insertion position 5, the insert 4 can be accurately inserted into the gap between the magnetic steel sheets 1, and then the position of the insert 4 between the magnetic steel sheets 1 in the magnetic steel sheet mounting structure is pre-fixed through the insertion position 5 on the positioning strip 23, so that the insert 4 can more accurately fill the gap between the magnetic steel sheets 1 in the magnetic steel sheet mounting structure.
When the insert 4 is inserted between the magnetic steel sheets 1, the top end of the insert 4 is inserted into the insertion position 5 as a guide, and then the whole magnetic steel sheets 1 enter. Therefore, after the insert 4 is inserted between the magnetic steel sheets 1, in order to effectively utilize the flow guide surface 41 at the top end of the insert 4 and the flow guide groove 6 thereon, in S4, that is, after the insert 4 is inserted into the magnetic steel sheets 1, an installer needs to turn over the whole mounting portion 3 to make the top end of the insert 4 face upward, and then inject glue along the end portion of the magnetic steel sheets 1 to effectively utilize the flow guide surface 41 and the flow guide groove 6.
Between S3 and S4, there is an optional step that after the installer turns the mounting portion 3 over, if the position of the magnetic steel sheets 1 is deviated or misplaced, the installer can manually arrange the magnetic steel sheets 1 so that the positions between the magnetic steel sheets 1 are more orderly. And then injecting glue along the inner wall of the mounting part 3 at the upper end of the magnetic steel sheet 1 to realize the connection between the magnetic steel sheet 1 and the mounting part 3. Wherein, the mode that the installer pours into glue is for extruding glue, then paints the round along the inner wall of installation department 3, and later glue can be along the inner wall of installation department 3 downflow entering magnetic steel piece 3 and the installation department between 3 space, simple high-efficient.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A magnetic steel sheet mounting structure of an external rotor motor comprises
A housing (7);
a mounting portion (3) provided in the housing (7);
the magnetic steel sheets (1) are all arranged on the inner wall of the mounting part (3) and are used as a rotor of the motor;
it is characterized in that the preparation method is characterized in that,
inserts (4) are arranged between every two adjacent magnetic steel sheets (1), and the inserts (4) are used for filling the gaps between every two adjacent magnetic steel sheets (1) and surrounded by the inner wall of the mounting portion (3).
2. The magnetic steel sheet mounting structure of an external rotor motor according to claim 1, wherein: the top end of the insert (4) is close to both sides of the magnetic steel sheet (1) and is formed with a flow guide surface (41), and the flow guide surface (41) extends downwards from the middle of the top end of the insert (4) to the two sides in an inclined mode.
3. The magnetic steel sheet mounting structure of an external rotor motor according to claim 2, wherein: the tail end of the insert (4) extends to two sides to form a convex block (42), and end angles of the magnetic steel sheets (1) on the two sides of the insert (4) abut against the convex block (42).
4. The magnetic steel sheet mounting structure of an external rotor motor according to claim 1, wherein: the length of the insert (4) is smaller than that of the magnetic steel sheet (1);
when the insert (4) is inserted between two adjacent magnetic steel sheets (1), a drainage groove (6) for guiding glue is formed in a gap between the insert (4) and the two adjacent magnetic steel sheets (1).
5. The magnetic steel sheet mounting structure of an external rotor motor according to claim 1, wherein: the installation part (3) is a circular ring, and the magnetic steel sheets (1) are arranged on the inner wall of the installation part (3) in a circumferential array mode by taking the axis of the circular ring as the circle center.
6. The magnetic steel sheet mounting structure of an external rotor motor according to claim 5, wherein: installation department (3) are metal ring, magnetic steel sheet (1) accessible magnetic force adsorbs metal ring's inner wall.
7. The magnetic steel sheet mounting structure of an external rotor motor according to claim 5, wherein: the shell (7) is a rim, and the outer rotor motor is a hub motor; the mounting portion (3) is welded on the inner side of the rim, or the mounting portion (3) and the rim are integrally formed.
8. An auxiliary tool for pasting magnetic steel sheets, which is applied to the magnetic steel sheet mounting structure of an external rotor motor according to any one of claims 1 to 7, and is characterized in that: including main part (21), this main part has the annular insert end (25) that inserts, and the week side shaping that inserts end (25) has step portion (22), evenly arranged on step portion (22) has vertical location strip (23) of a plurality of, and step portion (22) and two adjacent location strip (23) surround and form constant head tank (24) that are used for prepositioning magnetic steel piece (1).
9. The auxiliary tool for pasting magnetic steel sheet as set forth in claim 8, wherein: the length of the positioning strip (23) is smaller than that of the magnetic steel sheet (1) to be assembled.
10. The auxiliary tool for pasting magnetic steel sheet as set forth in claim 8, wherein: the positioning strip (23) and the step part (22) form a positioning groove (24) with a rectangular cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123061050.5U CN217135249U (en) | 2021-12-07 | 2021-12-07 | Magnetic steel sheet mounting structure and appurtenance of external rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123061050.5U CN217135249U (en) | 2021-12-07 | 2021-12-07 | Magnetic steel sheet mounting structure and appurtenance of external rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217135249U true CN217135249U (en) | 2022-08-05 |
Family
ID=82617756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123061050.5U Active CN217135249U (en) | 2021-12-07 | 2021-12-07 | Magnetic steel sheet mounting structure and appurtenance of external rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217135249U (en) |
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2021
- 2021-12-07 CN CN202123061050.5U patent/CN217135249U/en active Active
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Address after: 318016 No.28, qiansuoxinzi Road, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Xinzhi Group Co.,Ltd. Address before: 318000 No. 28 Xin Qian Xin Road, Jiaojiang District, Taizhou, Zhejiang Patentee before: CHANGYINGXINZHI TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |