CN201422038Y - Motor rotor - Google Patents

Motor rotor Download PDF

Info

Publication number
CN201422038Y
CN201422038Y CN2009201459847U CN200920145984U CN201422038Y CN 201422038 Y CN201422038 Y CN 201422038Y CN 2009201459847 U CN2009201459847 U CN 2009201459847U CN 200920145984 U CN200920145984 U CN 200920145984U CN 201422038 Y CN201422038 Y CN 201422038Y
Authority
CN
China
Prior art keywords
location division
becket
protuberance
forms
wheel hub
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.)
Expired - Fee Related
Application number
CN2009201459847U
Other languages
Chinese (zh)
Inventor
洪银树
吴志文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sunonwealth Electric Machine Industry Co Ltd
Original Assignee
Sunonwealth Electric Machine Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sunonwealth Electric Machine Industry Co Ltd filed Critical Sunonwealth Electric Machine Industry Co Ltd
Priority to CN2009201459847U priority Critical patent/CN201422038Y/en
Application granted granted Critical
Publication of CN201422038Y publication Critical patent/CN201422038Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

Disclosed is a motor rotor which comprises a hub, a metal ring and a magnet ring. The hub is provided with a ring-loop portion, the metal ring is provided with a combination portion, the metal ring formed into a ring-loop shape by reeling a metal plate sheet is combined on the circumference of the inner side of the ring-loop portion of the hub, a first positioning portion and a second positioningportion are respectively formed at two ends of the metal plate sheet, the first positioning portion and the second positioning portion are combined mutually to form the combination portion, and the magnet ring is combined on the circumference of the inner side of the metal ring, thereby a preset annular body is formed by the metal ring by employing the combination portion.

Description

Motor rotor
Technical field
The relevant a kind of motor rotor of the utility model, especially a kind of can be in conjunction with stator to constitute the motor rotor of motor configuration.
Background technology
Please refer to shown in Fig. 1 and 2, existing motor rotor 4 comprises a wheel hub 41, a becket 42 and a magnet ring 43.The center of these wheel hub 41 inboards is provided with a rotation axis 411; This becket 42 is incorporated into the interior lateral circle surface of this wheel hub 41, and for making the one that is incorporated into that this becket 42 and this wheel hub 41 can be more firm, and the section of this becket 42 is preferable to be selected to form and fall L shaped shape; In addition, this magnet ring 43 is incorporated into the interior lateral circle surface of this becket 42.Whereby, this becket 42 can be between this wheel hub 41 and this magnet ring 43, so that an envelope magnetic action to be provided.
Yet, because the becket 42 of above-mentioned existing motor rotor 4 must give moulding in repeatedly punching out mode, can make the section of this becket 42 form down L shaped shape, except that the inconvenience that causes this becket 42 in the processing operation, also quite be easy to generate unnecessary waste material, and then cause the manufacturing cost of this motor rotor 4 to improve, and waste material, cost increased.
Please refer to shown in Figure 3ly, for TaiWan, China is announced " Motor rotor and its preparation method " patent of invention No. 490912, the existing motor rotor 5 of this another kind also comprises a wheel hub 51, a becket 52 and a magnet ring 53.Wherein this becket 52 is rolled by the strip metal sheet and forms, the length of this strip metal sheet is equal to or slightly less than the inner periphery of this wheel hub 51, so that the becket 52 that will be rolled into loop shaped is inserted the interior lateral circle surface of this wheel hub 51, but and make these becket 52 radial elastics support interior lateral circle surface in this wheel hub 51, and these becket 52 two ends can become contact or have spacing slightly.At last, this magnet ring 53 can be forced into the interior lateral circle surface that is incorporated into this becket 52 equally.
Becket 52 that should existing motor rotor 5 directly utilizes the strip metal sheet to roll and forms, so have easily manufactured and can not produce plurality of advantages such as unnecessary waste material, can effectively improve above-mentioned original existing motor rotor 4 existing shortcomings.Yet, as shown in Figure 4, because the two ends of this metal sheet do not have location structure, therefore, when these becket 52 radial elastics supported interior lateral circle surface in this wheel hub 51, the two ends of this metal sheet still were easy to generate axial off normal situation (as shown in Figure 4), except that the assembling that causes follow-up this magnet ring 53 is difficult for, also can influence the rotational stabilization of this motor rotor 5, so still have necessity of further being improved.
The utility model content
Main purpose of the present utility model is to provide a kind of motor rotor, it rolls by a metal sheet and forms a becket, these metal sheet two ends form one first location division and one second location division respectively, can form a joint portion for this becket, make to the utlity model has the effect that promotes positioning combination effect, assembling convenience and motor rotor quality.
Another purpose of the present utility model is to provide a kind of motor rotor, and its outside circumference by this becket forms a holding section, and the wheel hub so that this becket can be combined closely makes to the utlity model has the effect that can promote linking steady character.
According to motor rotor of the present utility model, it comprises a wheel hub, a becket and a magnet ring.This wheel hub has a loop portions; This becket has a joint portion, and this becket rolls into loop shaped with lateral circle surface in the loop portions that is incorporated into this wheel hub with a metal sheet, these metal sheet two ends form one first location division and one second location division respectively, and this first location division and second location division mutually combine and form this joint portion; This magnet ring is incorporated into the interior lateral circle surface of this becket.Whereby, this becket can utilize this joint portion to form a preset ring body.
The beneficial effects of the utility model are: the becket of the utility model motor rotor rolls into loop shaped with a metal sheet, makes convenience and can not produce plurality of advantages such as unnecessary waste material so can keep it.The more important thing is, the two ends of this metal sheet form first location division and second location division that can mutually combine, make the two ends of this metal sheet can not produce axial off normal situation, therefore be wound into loop shaped with after forming this becket when this metal sheet, can form this joint portion by this first location division and second location division, guarantee that to utilize this joint portion this becket forms a preset ring body, except that can promoting its assembling convenience, more can effectively guarantee the rotational stabilization of the utility model motor rotor after constituting motor configuration in conjunction with a stator.Moreover, when the outside circumference of this becket is formed with the holding section in addition, also can promote this wheel hub and becket combination stability each other relatively, to guarantee the quality of this motor rotor.
Description of drawings
Fig. 1: the three-dimensional exploded view of existing motor rotor.
Fig. 2: the assembling schematic diagram of existing motor rotor.
Fig. 3: the three-dimensional exploded view of another existing motor rotor.
Fig. 4: the assembling schematic diagram of the wheel hub of another existing motor rotor and becket.
Fig. 5: the three-dimensional exploded view of the utility model motor rotor.
Fig. 6: the assembling schematic diagram of the utility model motor rotor wheel hub and becket.
Fig. 7: the expansion plane graph of the first kind of execution mode in joint portion of the becket of the utility model motor rotor.
Fig. 8: the stereo appearance figure of the first kind of execution mode in joint portion of the becket of the utility model motor rotor.
Fig. 9: the expansion plane graph of the second kind of execution mode in joint portion of the becket of the utility model motor rotor.
Figure 10: the stereo appearance figure of the second kind of execution mode in joint portion of the becket of the utility model motor rotor.
Figure 11: the expansion plane graph of the third execution mode of joint portion of the becket of the utility model motor rotor.
Figure 12: the stereo appearance figure of the third execution mode of joint portion of the becket of the utility model motor rotor.
Figure 13: the expansion plane graph of the 4th kind of execution mode in the joint portion of the becket of the utility model motor rotor.
Figure 14: the stereo appearance figure of the 4th kind of execution mode in the joint portion of the becket of the utility model motor rotor.
Figure 15: the expansion plane graph of the 5th kind of execution mode in the joint portion of the becket of the utility model motor rotor.
Figure 16: the Assembly Action schematic diagram of the 5th kind of execution mode in the joint portion of the becket of the utility model motor rotor.
Figure 17: the assembled sectional view of the utility model motor rotor.
Figure 18: the assembled sectional view of another execution mode of the utility model motor rotor.
The main element symbol description:
1 wheel hub, 11 loop portions, 12 closure, 121 central shafts
13 blades, 14 ring flanges, 15 annular grooves, 2 beckets
21 joint portions, 22 first location division 22a protuberance 22b zigzag protuberances
The 22c first protuberance 22d first recess 22e coattail end 22f square shape protuberance
23 second location division 23a recess 23b zigzag recess 23c second recesses
The 23d second protuberance 23e dovetail groove 23f dovetail groove 24 holding sections
241 grooves, 242 raised lines, 243 matsurfaces, 3 magnet rings
4 motor rotors, 41 wheel hubs, 411 rotation axiss, 42 beckets
43 magnet rings, 5 motor rotors, 51 wheel hubs, 52 beckets, 53 magnet rings
Embodiment
For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and conjunction with figs. are described in detail below:
Please refer to shown in Fig. 5 and 6, the utility model motor rotor mainly comprises a wheel hub 1, a becket 2 and a magnet ring 3.This becket 2 and this magnet ring 3 are incorporated into the inside of this wheel hub 1, and this becket 2 is between this wheel hub 1 and this magnet ring 3, so that an envelope magnetic action to be provided.Whereby, the utility model motor rotor can be in conjunction with a stator to constitute a motor configuration.
This wheel hub 1 has a loop portions 11 and a closure 12, and this closure 12 is formed at a side of this loop portions 11, makes a side of this loop portions 11 form closed, and opposite side then forms open shape relatively.Again, the center of this closure 12 is provided with a central shaft 121, and this central shaft 121 is positioned at the inboard of this loop portions 11.In addition, the outside circumference of this wheel hub 1 also can form several blades 13, so that this wheel hub 1 can be as the impeller of general fan.
This becket 2 has a joint portion 21, and this becket 2 rolls by a metal sheet 2 ' (shown in Fig. 7,9,11,13,15) and forms a loop shaped, the two ends of this metal sheet 2 ' form one first location division 22 and one second location division 23 respectively, this first location division 22 and second location division 23 can utilize variety of ways such as clamping, snapping, riveted joint or welding to mutually combine, so that utilize the binding site of this first location division 22 and second location division 23 to form this joint portion 21, and then guarantee that this becket 2 can form a preset ring body.In addition, the preferable holding section 24 that forms of the outside circumference of this becket 2, this holding section 24 can increase this wheel hub 1 and this becket 2 bonded area each other, and then preferable fixed effect between this wheel hub 1 and this becket 2 is provided.
This magnet ring 3 utilizes the magnet of banded plastic cement magnet, ferro-gum or other suitable materials etc., in order to make loop shaped.The two ends of this magnet ring 3 are bonded with each other, so that will form the interior lateral circle surface that this magnet ring 3 of loop shaped is incorporated into this becket 2.
The design concept that can mutually combine by the two ends of above-mentioned metal sheet, first location division 22 of this metal sheet 2 ' roughly can be divided into following several different execution modes with second location division 23 (promptly forming joint portion 21) and (disclose several preferred embodiments, other can reach the structural design of identical combination effect, must be covered by practical range of the present utility model), wherein: please refer to shown in Figure 7, disclose first kind of execution mode of this first location division 22 and second location division 23, first location division 22 of this metal sheet 2 ' forms a protuberance 22a, and 23 of second location divisions of this metal sheet 2 ' are to forming a recess 23a by protuberance 22a.Whereby, after this metal sheet 2 ' rolls the formation loop shaped, as shown in Figure 8, this protuberance 22a can snap in relatively and form this joint portion 21 in this recess 23a, and preferable can fixing in the riveted joint mode at this joint portion 21 can form a preset ring body by this joint portion 21 to guarantee this becket 2.
Please refer to shown in Figure 9, disclose second kind of execution mode of this first location division 22 and second location division 23, first location division 22 of this metal sheet 2 ' forms several zigzag protuberances 22b, and 23 of second location divisions of this metal sheet 2 ' are to forming several zigzag recesses 23b by zigzag protuberance 22b.Whereby, after this metal sheet 2 ' rolls the formation loop shaped, as shown in figure 10, respectively this zigzag protuberance 22b can snap in respectively this zigzag recess 23b relatively, further promoting the linking steady character of this first location division 22 and second location division 23, and then guarantee that this becket 2 can form a preset ring body by this joint portion 21.
Please refer to shown in Figure 11ly, disclose the third execution mode of this first location division 22 and second location division 23, first location division 22 of this metal sheet 2 ' forms one first protuberance 22c and one first recess 22d; 23 of second location divisions of this metal sheet 2 ' be to should forming one second recess 23c by the first protuberance 22c, and to forming one second protuberance 23d by the first recess 22d.Whereby, after this metal sheet 2 ' rolls the formation loop shaped, as shown in figure 12, this first protuberance 22c and this first recess 22d can snap in this second recess 23c and this second protuberance 23d respectively relatively, so that utilize this first location division 22 and second location division, 23 formed two buttons to hold effect, make the axial off normal situation of the more difficult generation in two ends of this metal sheet 2 '.
Please refer to shown in Figure 13, disclose the 4th kind of execution mode of this first location division 22 and second location division 23, first location division 22 of this metal sheet 2 ' forms a coattail end 22e, and 23 of second location divisions of this metal sheet 2 ' are to forming a dovetail groove 23e by coattail end 22e.Whereby, after this metal sheet 2 ' rolls the formation loop shaped, as shown in figure 14, this coattail end 22e can snap in relatively and form this joint portion 21 in this dovetail groove 23e, and utilize the dovetail shaped snap-in structure of this coattail end 22e and this dovetail groove 23e, two ends with this metal sheet 2 ' of Primary Location, guarantee that this becket 2 can effectively keep by this joint portion 21 formed ring body shapes, make this becket 2 can be incorporated into the interior lateral circle surface (as shown in Figure 6) of this wheel hub 1 more easily, and then promote the assembling convenience.
Please refer to shown in Figure 15ly, disclose the 5th kind of execution mode of this first location division 22 and second location division 23, first location division 22 of this metal sheet 2 ' forms a square shape protuberance 22f, and 23 of second location divisions of this metal sheet 2 ' form a dovetail groove 23f.Whereby, after this metal sheet 2 ' rolls the formation loop shaped, as shown in figure 16, this square shape protuberance 22f can snap in relatively and form this joint portion 21 in this dovetail groove 23f, can form a gap (G) respectively between relative two lateral borders that make this square shape protuberance 22f and relative two medial margins of this dovetail groove 23f, at this moment, can impose the punching press means at this square shape protuberance 22f, make this square shape protuberance 22f can produce deformation and fill up this gap (G), therefore, can have more closely in conjunction with effect between this square shape protuberance 22f and this dovetail groove 23f.
Again, the utility model motor rotor also can with effective increase this wheel hub 1 and this becket 2 bonded area each other, make between this wheel hub 1 and this becket 2 to have preferable fixed effect by holding section 24 designs of this becket 2.In present embodiment, following several different execution modes (disclose several preferred embodiments, other can reach the structural design of identical combination effect, must be covered by practical range of the present utility model) can further be divided in this holding section 24, wherein:
Shown in Fig. 7 and 8, the first kind of execution mode that discloses this holding section 24 (is that example proposes explanation with Fig. 7 and 8 only, other equally also cooperate as Figure 11 to 16 draws identical architectural feature), the holding section 24 of this becket 2 is several grooves 241, and respectively this groove 241 extends to second bonding part 23 by first location division 22 of this metal sheet 2 '.As shown in figure 17, lateral circle surface can correspondingly form several ring flanges 14 in the loop portions 11 of this wheel hub 1, respectively this ring flange 14 is incorporated in each groove 241 of this becket 2, with effective increase this wheel hub 1 and this becket 2 bonded area each other, make and form fixed effect more closely between this wheel hub 1 and this becket 2.
Please refer to shown in Figure 180ly, disclose second kind of execution mode of this holding section 24, the holding section 24 of this becket 2 also can be designed to several raised lines 242.Lateral circle surface can correspondingly form several annular grooves 15 in the loop portions 11 of this wheel hub 1, so that each raised line 242 of this becket 2 can be incorporated into formed each annular groove 15 of the inboard perisporium of this wheel hub 1, it also can effectively increase this wheel hub 1 and this becket 2 bonded area each other, makes and forms fixed effect more closely between this wheel hub 1 and this becket 2.
Shown in Fig. 9 and 10, disclose the third execution mode of this holding section 24, the holding section 24 of this becket 2 is a matsurface 243 that is formed at the outside circumference of this becket 2.Whereby, after this wheel hub 1 mutually combines with this becket 2, also can make and form fixed effect more closely between this wheel hub 1 and this becket 2 by this matsurface 243 with relative increase this wheel hub 1 and this becket 2 bonded area each other.
Generally speaking, the becket 2 of the utility model motor rotor can will before be taken off holding section 24 designs of various different execution modes, further select to make up mutually, so that constitute the more perfect motor rotor of function with first location division 22 of before taking off various different execution modes and second location division 23.For example: the becket 2 wherein a kind of design that can select to make up this groove 241, raised line 242 or matsurface 243 with protuberance 22a and recess 23a design; Becket 2 with zigzag protuberance 22b and zigzag recess 23b design also can select to make up this groove 241, raised line 242 or wherein a kind of design of matsurface 243, by that analogy.
As mentioned above, the becket 2 of the utility model motor rotor rolls into loop shaped with a metal sheet 2 ', makes convenience and can not produce plurality of advantages such as unnecessary waste material so can keep it.The more important thing is, the two ends of this metal sheet 2 ' form first location division 22 and second location division 23 that can mutually combine, make the two ends of this metal sheet 2 ' can not produce axial off normal situation, therefore be wound into loop shaped with after forming this becket 2 when this metal sheet 2 ', can form this joint portion 21 by this first location division 22 and second location division 23, guarantee that to utilize this joint portion 21 this becket 2 forms a preset ring body, except that can promoting its assembling convenience, more can effectively guarantee the rotational stabilization of the utility model motor rotor after constituting motor configuration in conjunction with a stator.Moreover, when the outside circumference of this becket 2 is formed with holding section 24 in addition, also can promote this wheel hub 1 and becket 2 combination stability each other relatively, to guarantee the quality of this motor rotor.

Claims (20)

1, a kind of motor rotor is characterized in that comprising:
A wheel hub has a loop portions;
A becket, has a joint portion, and this becket is that a metal sheet rolls into loop shaped and is incorporated into lateral circle surface in the loop portions of this wheel hub, these metal sheet two ends form one first location division and one second location division respectively, and this first location division and second location division mutually combine and form this joint portion; And
A magnet ring is incorporated into the interior lateral circle surface of this becket.
2, motor rotor as claimed in claim 1 is characterized in that, the outside circumference of this becket forms a holding section, and this holding section is incorporated into the interior lateral circle surface of loop portions of this wheel hub.
3, motor rotor as claimed in claim 2 is characterized in that, the holding section of this becket is several grooves, and lateral circle surface forms several ring flanges and combines with this groove respectively in the loop portions of this wheel hub.
4, motor rotor as claimed in claim 2 is characterized in that, the holding section of this becket is several raised lines, and lateral circle surface forms several annular grooves in the loop portions of this wheel hub, and respectively this raised line combines with this annular groove respectively.
5, motor rotor as claimed in claim 2 is characterized in that, the holding section of this becket is a matsurface, and this matsurface is incorporated into the interior lateral circle surface of loop portions of this wheel hub.
As claim 1,2,3,4 or 5 described motor rotors, it is characterized in that 6, this first location division forms a protuberance, this second location division is to forming a recess by protuberance.
As claim 1,2,3,4 or 5 described motor rotors, it is characterized in that 7, this first location division forms several zigzag protuberances, this second location division is to forming several zigzag recesses by the zigzag protuberance.
8, as claim 1,2,3,4 or 5 described motor rotors, it is characterized in that, this first location division forms one first protuberance and one first recess, and this second location division is to reaching forming one second protuberance by first recess by one second recess of first protuberance formation.
As claim 1,2,3,4 or 5 described motor rotors, it is characterized in that 9, this first location division forms a coattail end, this second location division is to forming a dovetail groove by coattail end.
As claim 1,2,3,4 or 5 described motor rotors, it is characterized in that 10, this first location division forms a square shape protuberance, this second location division forms a dovetail groove.
As claim 1,2,3,4 or 5 described motor rotors, it is characterized in that 11, loop portions one side of this wheel hub forms a closure, the center of this closure is provided with a central shaft, and this central shaft is positioned at the inboard of this loop portions.
12, as claim 1,2,3,4 or 5 described motor rotors, it is characterized in that the outside circumference of this wheel hub forms several blades.
13, a kind of becket of motor rotor, it is characterized in that, it has a joint portion, and this becket is a loop shaped that metal sheet rolls into, these metal sheet two ends form one first location division and one second location division respectively, and this first location division and second location division mutually combine and form this joint portion.
14, the becket of motor rotor as claimed in claim 13 is characterized in that, the outside circumference of this becket forms a holding section.
15, the becket of motor rotor as claimed in claim 14 is characterized in that, the holding section of this becket is selected wherein a kind of of several grooves, several raised lines or matsurface for use.
As the becket of claim 13,14 or 15 described motor rotors, it is characterized in that 16, this first location division forms a protuberance, this second location division is to forming a recess by protuberance.
As the becket of claim 13,14 or 15 described motor rotors, it is characterized in that 17, this first location division forms several zigzag protuberances, this second location division is to forming several zigzag recesses by the zigzag protuberance.
18, as claim 13,14 or 15 described motor rotors, it is characterized in that, this first location division forms one first protuberance and one first recess, and this second location division is to reaching forming one second protuberance by first recess by one second recess of first protuberance formation.
As claim 13,14 or 15 described motor rotors, it is characterized in that 19, this first location division forms a coattail end, this second location division is to forming a dovetail groove by coattail end.
As claim 13,14 or 15 described motor rotors, it is characterized in that 20, this first location division forms a square shape protuberance, this second location division forms a dovetail groove.
CN2009201459847U 2009-03-24 2009-03-24 Motor rotor Expired - Fee Related CN201422038Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201459847U CN201422038Y (en) 2009-03-24 2009-03-24 Motor rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201459847U CN201422038Y (en) 2009-03-24 2009-03-24 Motor rotor

Publications (1)

Publication Number Publication Date
CN201422038Y true CN201422038Y (en) 2010-03-10

Family

ID=41808699

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201459847U Expired - Fee Related CN201422038Y (en) 2009-03-24 2009-03-24 Motor rotor

Country Status (1)

Country Link
CN (1) CN201422038Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101588097B (en) * 2008-05-21 2011-08-10 建准电机工业股份有限公司 Motor rotor
CN101847898B (en) * 2009-03-24 2013-02-06 建准电机工业股份有限公司 Motor rotor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101588097B (en) * 2008-05-21 2011-08-10 建准电机工业股份有限公司 Motor rotor
CN101847898B (en) * 2009-03-24 2013-02-06 建准电机工业股份有限公司 Motor rotor

Similar Documents

Publication Publication Date Title
CN103493339B (en) Press-in fixed structure
CN201422038Y (en) Motor rotor
CN206302221U (en) The stator core of wall-breaking machine motor, stator and the wall-breaking machine motor with it
CN103659163B (en) Method for manufacturing fan wheel
US9647507B2 (en) Motor with one-way rotation
CN201207589Y (en) Motor rotor
CN101847898B (en) Motor rotor
CN101588097B (en) Motor rotor
CN206412853U (en) Rotor, motor and compressor
CN201230250Y (en) Motor
JP2010273460A (en) Stator of motor and blower for loading the motor
CN202178632U (en) Motor capable of preventing rotor from being separated and separation-preventing assembly thereof
WO2011120285A1 (en) End cover for motor
CN204886443U (en) Motor stator punching piece
CN201286045Y (en) Motor
CN110994830B (en) Double-cage rotor punching sheet, double-cage rotor and motor
CN217307360U (en) Brushless windscreen wiper motor rotor punching sheet structure
CN202260936U (en) Motor with axial airgap
CN203219001U (en) Stator punching sheet, stator iron core and electromotor
CN107040072A (en) Motor and its support base
CN201570959U (en) Special-shaped magnetic steel double-stator/outer-rotor disk generator
CN105990916A (en) Motor armature
CN220510849U (en) Outer rotor brushless motor and magnet steel mounting structure thereof
CN201063464Y (en) Rotor magnet inclined trench structure improvement
CN202178621U (en) Stator magnetic core with outward opening

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100310

Termination date: 20140324