CN207994759U - The rotor structure of AC permanent magnet synchronous motor - Google Patents

The rotor structure of AC permanent magnet synchronous motor Download PDF

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Publication number
CN207994759U
CN207994759U CN201820388929.XU CN201820388929U CN207994759U CN 207994759 U CN207994759 U CN 207994759U CN 201820388929 U CN201820388929 U CN 201820388929U CN 207994759 U CN207994759 U CN 207994759U
Authority
CN
China
Prior art keywords
rotor
axis body
permanent magnet
rotor core
core
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
CN201820388929.XU
Other languages
Chinese (zh)
Inventor
张磊
骆利中
赵衡
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.)
Zhong Kang Energy Motor Equipment Co Ltd
Original Assignee
Zhong Kang Energy Motor Equipment 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 Zhong Kang Energy Motor Equipment Co Ltd filed Critical Zhong Kang Energy Motor Equipment Co Ltd
Priority to CN201820388929.XU priority Critical patent/CN207994759U/en
Application granted granted Critical
Publication of CN207994759U publication Critical patent/CN207994759U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of rotor structures of AC permanent magnet synchronous motor, including axis body, rotor core is coated on axis body, the permanent magnet of even number is provided in rotor core, the both ends end of axis body has splined hole and threaded hole, axis body, which is located at splined hole, has annular stop, axis body, which is located at threaded hole, has male threaded section, axis body is construction section between annular stop and male threaded section, rotor core is provided with mounting hole, and pass through mounting hole, rotor core, which is installed between the construction section upper rotor part iron core of axis body and annular stop, has the first rotor end plate, the first rotor end plate has and the matched circular sink hole of annular stop, one end of the first rotor end plate is resisted against in annular stop.The utility model is simple and reasonable, and rotor core is enabled to reliably to be installed on axis body, simplifies the structure of entire rotor.

Description

The rotor structure of AC permanent magnet synchronous motor
Technical field
The utility model is related to a kind of rotor structures of AC permanent magnet synchronous motor.
Background technology
Fixed part is called stator in motor(stator), the static of pairs of DC excitation has been installed in the above Main pole;And rotating part (rotor-rotor)It is armature core, armature winding is installed above, induced electricity is generated after energization Kinetic potential generates electromagnetic torque progress energy conversion after serving as rotating excitation field.
And the rotor used in the rotor in motor, especially AC permanent magnet synchronous motor, it is internal to be provided with permanent magnetism Usually there is assembly difficulty, rotor core in body, but the rotor used in the AC permanent magnet synchronous motor of traditional structure Fixation between shaft is relatively difficult, and internal structure is complicated, the occurrence of being susceptible to leakage field, and further, permanent magnetism Body also compares the inside for being difficult to be fixed on rotor core safe and reliablely and not impaired, to influence entire exchange forever The normal work of magnetic-synchro motor.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the AC permanent magnet synchronous proposed The rotor structure of machine.
To achieve the goals above, the utility model uses following technical solution:
A kind of rotor structure of AC permanent magnet synchronous motor, including axis body are coated with rotor core, rotor core on axis body It is inside provided with the permanent magnet of even number, the both ends end of axis body has splined hole and threaded hole, and axis body, which is located at splined hole, to be had There is annular stop, axis body, which is located at threaded hole, has male threaded section, and axis body is installation between annular stop and male threaded section Section, rotor core is provided with mounting hole, and by mounting hole, rotor core is installed on the construction section of axis body, rotor core and ring Between shape backstop have the first rotor end plate, the first rotor end plate have with the matched circular sink hole of annular stop, first turn One end of sub- end plate is resisted against in annular stop, and the front end of rotor core is resisted against the other end of the first rotor end plate, also has Second rotor end plates, the second rotor end plates are installed on construction section, and are resisted against the rear end of rotor core, also have nut, spiral shell Mother matches with male threaded section, and also with stop washer between nut and the second rotor end plates, one end of stop washer by Nut exerts a force, and the other end is resisted against in the second rotor end plates.
The axis body, which is located at construction section, is provided with guide groove, and rotor core is located to have at mounting hole to be matched with guide groove Raised line, by the cooperation of raised line and guide groove, rotor core is installed on construction section.
The permanent magnet slot of even number is provided on the rotor core, every permanent magnet is by being inserted into permanent magnetism corresponding thereto In body slot, inserting is fixed on rotor core.
The both ends that the rotor core is located at permanent magnet slot are also provided with fluid injection slot, and are marked with asphalt mixtures modified by epoxy resin in fluid injection slot Fat.
The both ends of the rotor core, which are located at around mounting hole, is provided with several heat dissipation weight-reducing holes.
Compared with prior art, the utility model has the beneficial effects that:
The utility model overall structure advantages of simple, rotor core by the first rotor end plate and the second rotor end plates, and Pass through stop washer and nut, so that it may being reliably fixed rotor core on axis body, and further, the permanent magnet of even number It can be reliably inserted into rotor core in the case where itself is not impaired.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the utility model axis body 1;
Fig. 3 is the schematic cross-sectional view of the utility model axis body 1;
Fig. 4 is the structural schematic diagram of the utility model rotor core 2.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
Referring to Fig.1-4, a kind of rotor structure of AC permanent magnet synchronous motor, including axis body 1 are coated with rotor on axis body 1 Iron core 2 is provided with the permanent magnet 3 of even number in rotor core 2, and the both ends end of axis body 1 has splined hole 4 and threaded hole 5, Axis body 1, which is located at splined hole 4, has annular stop 6, and axis body 1, which is located at threaded hole 5, has male threaded section 7, and axis body 1 is located at annular It is construction section 8 between backstop 6 and male threaded section 7, rotor core 2 is provided with mounting hole 9, and by mounting hole 9, rotor core 2 is worn On the construction section 8 of axis body 1, there is the first rotor end plate 10, the first rotor end plate between rotor core 2 and annular stop 6 10 have with 6 matched circular sink hole 11 of annular stop, one end of the first rotor end plate 10 is resisted against in annular stop 6, turns The front end of sub- iron core 2 is resisted against the other end of the first rotor end plate 10, also has the second rotor end plates 12, the second rotor end plates 12 It is installed on construction section 8, and is resisted against the rear end of rotor core 12, also there is nut 14, nut 14 to match with male threaded section 7 It closes, and also there is stop washer 13 between nut 14 and the second rotor end plates 12, one end of stop washer 13 is applied by nut 14 Power, the other end are resisted against in the second rotor end plates 12.
The axis body 1, which is located at construction section 8, is provided with guide groove 15, and rotor core 2, which is located at mounting hole 9, to be had and guide groove 15 matched raised lines 16, by the cooperation of raised line 16 and guide groove 15, rotor core 2 is installed on construction section 8.This spline structure It is advantageous in that, by the cooperation of guide groove 15 and raised line 16, rotor core 2 is not only able to reliably be installed on construction section 8, together When rotor core 2 will not rotate on construction section 8 again.
The permanent magnet slot 19 of even number is provided on the rotor core 2, every permanent magnet 3 is by being inserted into corresponding thereto In permanent magnet slot 19, inserting is fixed on rotor core 2.
The both ends that the rotor core 2 is located at permanent magnet slot 19 are also provided with fluid injection slot 17, and the note in fluid injection slot 17 There is epoxy resin 18.This spline structure is advantageous in that epoxy resin 18 can resist permanent magnet 3, avoids permanent magnet 3 from permanent magnet Abjection in slot 19.
The both ends of the rotor core 2, which are located at around mounting hole 9, is provided with several heat dissipation weight-reducing holes 20.
The utility model successively installs the first rotor end plate 10, rotor core 2 and the second rotor end plates 12 in assembly On the construction section 8 of axis body 1, at this point, the first rotor end plate 10 can be resisted against in annular stop 6, thereafter, by stop washer 13 It after being installed on construction section 8, is resisted against in the second rotor end plates 12, finally, nut 14 is threadably mounted at by male threaded section 7 While on axis body 1, nut 14 can be resisted the second rotor end plates 12 by stop washer 13, in this way, 2 energy of rotor core It is enough reliably fixed on axis body 1.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of rotor structure of AC permanent magnet synchronous motor, including axis body(1), axis body(1)On be coated with rotor core(2), Rotor core(2)Inside it is provided with the permanent magnet of even number(3), it is characterised in that:Axis body(1)Both ends end have splined hole (4)And threaded hole(5), axis body(1)Positioned at splined hole(4)Place has annular stop(6), axis body(1)Positioned at threaded hole(5)Place's tool There is male threaded section(7), axis body(1)Positioned at annular stop(6)And male threaded section(7)Between be construction section(8), rotor core(2) It is provided with mounting hole(9), and pass through mounting hole(9), rotor core(2)It is installed on axis body(1)Construction section(8)On, rotor core (2)With annular stop(6)Between have the first rotor end plate(10), the first rotor end plate(10)Have and annular stop(6)Phase The circular sink hole of cooperation(11), the first rotor end plate(10)One end be resisted against annular stop(6)On, rotor core(2)Before End is resisted against the first rotor end plate(10)The other end, also have the second rotor end plates(12), the second rotor end plates(12)It installs In construction section(8)On, and it is resisted against rotor core(2)Rear end, also have nut(14), nut(14)With male threaded section(7) It matches, and nut(14)With the second rotor end plates(12)Between also have stop washer(13), stop washer(13)One end By nut(14)Force, the other end are resisted against the second rotor end plates(12)On.
2. the rotor structure of AC permanent magnet synchronous motor according to claim 1, which is characterized in that the axis body(1)Position In construction section(8)Place is provided with guide groove(15), rotor core(2)Positioned at mounting hole(9)Place has and guide groove(15)It matches Raised line(16), pass through raised line(16)With guide groove(15)Cooperation, rotor core(2)It is installed on construction section(8)On.
3. the rotor structure of AC permanent magnet synchronous motor according to claim 1 or 2, which is characterized in that the rotor iron Core(2)On be provided with the permanent magnet slot of even number(19), every permanent magnet(3)By being inserted into permanent magnet slot corresponding thereto (19)Interior, inserting is fixed on rotor core(2)On.
4. the rotor structure of AC permanent magnet synchronous motor according to claim 3, which is characterized in that the rotor core (2)Positioned at permanent magnet slot(19)Both ends be also provided with fluid injection slot(17), and it is located at fluid injection slot(17)Inside it is marked with epoxy resin (18).
5. the rotor structure of AC permanent magnet synchronous motor according to claim 1 or 2, which is characterized in that the rotor iron Core(2)Both ends be located at mounting hole(9)Around be provided with several heat dissipation weight-reducing holes(20).
CN201820388929.XU 2018-03-21 2018-03-21 The rotor structure of AC permanent magnet synchronous motor Expired - Fee Related CN207994759U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820388929.XU CN207994759U (en) 2018-03-21 2018-03-21 The rotor structure of AC permanent magnet synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820388929.XU CN207994759U (en) 2018-03-21 2018-03-21 The rotor structure of AC permanent magnet synchronous motor

Publications (1)

Publication Number Publication Date
CN207994759U true CN207994759U (en) 2018-10-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820388929.XU Expired - Fee Related CN207994759U (en) 2018-03-21 2018-03-21 The rotor structure of AC permanent magnet synchronous motor

Country Status (1)

Country Link
CN (1) CN207994759U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113258699A (en) * 2021-06-16 2021-08-13 常州神力电机股份有限公司 Sectional type motor rotor iron core for diesel generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113258699A (en) * 2021-06-16 2021-08-13 常州神力电机股份有限公司 Sectional type motor rotor iron core for diesel generator
CN113258699B (en) * 2021-06-16 2022-03-25 常州神力电机股份有限公司 Sectional type motor rotor iron core for diesel generator

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181019

Termination date: 20200321