CN202206243U - Outer rotor motor assembly with brake mechanism - Google Patents

Outer rotor motor assembly with brake mechanism Download PDF

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Publication number
CN202206243U
CN202206243U CN2011201579738U CN201120157973U CN202206243U CN 202206243 U CN202206243 U CN 202206243U CN 2011201579738 U CN2011201579738 U CN 2011201579738U CN 201120157973 U CN201120157973 U CN 201120157973U CN 202206243 U CN202206243 U CN 202206243U
Authority
CN
China
Prior art keywords
brake disc
braking
stator
retainer
transmission
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 - Lifetime
Application number
CN2011201579738U
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Chinese (zh)
Inventor
张咏玉
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.)
Changzhou Sinya Electromotor Co Ltd
Original Assignee
Changzhou Sinya Electromotor 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 Changzhou Sinya Electromotor Co Ltd filed Critical Changzhou Sinya Electromotor Co Ltd
Priority to CN2011201579738U priority Critical patent/CN202206243U/en
Application granted granted Critical
Publication of CN202206243U publication Critical patent/CN202206243U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to an outer rotor motor assembly in the field of motors, in particular to the outer rotor motor assembly with a brake mechanism, which is especially suitable for the field of home appliances. The outer rotor motor assembly with the brake mechanism comprises a motor body, a driving shaft and a transmission device, wherein the driving shaft is fixed on the transmission device, and the motor body directly drives the driving shaft and is provided with an inner diameter space. The transmission device is arranged in the inner diameter space of the motor body. The outer rotor motor assembly with the brake mechanism further comprises a brake mechanism arranged in the inner diameter space of the motor body. By fully using the inner space of the motor body, a brake device is arranged without adding the installation space, and the transmission device and the brake mechanism are arranged in the inner space of the motor body. Compared with conventional motors, the installation space is saved by at least 30-60%.

Description

A kind of external rotor electric machine assembly that has braking mechanism
Technical field
The utility model relates to a kind of external rotor electric machine assembly of machine field, and particularly a kind of external rotor electric machine assembly that has braking mechanism is particularly useful for household appliance technical field.
Background technology
The conventional motors body generally all is through connecting medium, be connected with transmission device like belt pulley, belt or other connection media, finally realizing power output.Its motor body is separately independently with respect to transmission device, and structure is not compact, and it is bigger to take installing space, and manufacturing cost is also higher relatively simultaneously.In order to save installing space, existing belt pulley, the belt etc. removed of prior art connect medium, adopt the correlation technique report that directly drives external rotor electric machine.Though saved installing space to a certain extent and reduced manufacturing cost; But because its motor body and transmission device remain relatively independent; Motor body and transmission device need take installing space respectively, and structure is compact inadequately, and volume is still bigger.
Simultaneously because the existing external rotor electric machine that directly drives generally adopts the motor body control device to realize brake function, so in order to save installing space, general existence need not be provided with the viewpoint of braking mechanism, is the Chinese patent of CN201762573U like publication number.But along with the application development that directly drives external rotor electric machine; The applicant finds to realize brake function because the external rotor electric machine controller is directly driven in its simple dependence that this not only requires high to controller technology, cause the controller manufacturing cost high; Still be difficult to simultaneously guarantee that tumbler is at very short time completion brake process; Especially under the situation of sudden power, can influence the braking quality of controller, have potential safety hazard; And,, braking mechanism do not rely on control system to realize that brake function just seems backward merely so being set to the useful life of directly driving external rotor electric machine more serious loss being arranged.
Summary of the invention
The technical problem that the utility model will solve provides a kind of compact conformation, volume is little, brake is safe and reliable, the external rotor electric machine assembly that has braking mechanism of long service life.
The technical scheme of the utility model is:
A kind of external rotor electric machine assembly that has braking mechanism comprises motor body, driving shaft; Transmission device, wherein: driving shaft is fixed on the transmission device, and motor body directly drives driving shaft; Motor body has inner diameter volume, and transmission device is installed in the motor body inner diameter volume; Also comprise braking mechanism, braking mechanism is installed in the motor body inner diameter volume.
Preferably, said motor body is an external rotor electric machine, comprises external rotor, stator, and stator is positioned at rotor, and rotor directly drives driving shaft, and stator has inner diameter volume, and said transmission device is fixedly mounted in the diameter of stator bore space through installing component.
Preferably, said rotor comprises the rotor retainer, and the rotor retainer is fixedly connected with said driving shaft through shaft joint.
Preferably, said transmission device comprises gear box and clutch, and driving shaft is through gear and gear box engagement.
Preferably, driving shaft be set with outward can with the propeller shaft sleeve of its coaxial rotation, clutch is connected with propeller shaft sleeve respectively with gear box.
Preferably; Described braking mechanism comprises keep plate, brake disc and brake disc retainer; Keep plate is fixedly connected with propeller shaft sleeve, and brake disc is connected with the brake disc retainer, the contact that brake disc can slide up and down realization and keep plate along the propeller shaft sleeve direction with separate.
Preferably, said transmission device also comprises housing, and gear box and clutch are assemblied in the housing through engagement system, and said housing becomes the stator retainer, and stator is fixedly connected with the stator retainer.
In order further to reduce motor mounting space, preferably, described keep plate is the gear box cover plate; Described brake disc retainer is the stator retainer
Preferably, described brake disc below is provided with one or more boss, and back-moving spring is installed on the boss; The brake disc below also is provided with solenoid, solenoid and brake disc coupling.Described brake disc also comprises brake block, and brake block is positioned at the brake disc top, is fixedly connected with brake disc to be integral.
Preferably, the brake disc retainer is provided with one or more flange boss, brake disc be provided with one or more can with the field of conjugate action of flange boss engagement, brake disc can slide up and down along the brake disc retainer.
The implementation result of the utility model and prior art relatively
Operation principle of the utility model and advantage: the utility model is installed in transmission device in the motor body diameter of stator bore space through installing component; Transmission device is fixed on the driving shaft; Rotor directly drives driving shaft; Driving shaft one end constitutes the power intake of said transmission device, and the other end constitutes the clutch end of said transmission device, thereby realizes the power input and output of the utility model; The utility model makes full use of the stator interior circuferential spacing of external rotor electric machine; Transmission device is installed in the diameter of stator bore space through installing component; Transmission device a part or whole part is embedded into motor body inside; Not only save manufacturing cost, and shortened the installation footprint of motor assembly greatly.Simultaneously the utility model also is provided with braking mechanism in motor body diameter of stator bore space, and braking mechanism is realized brake function through solenoid controlled, simple and compact for structure, volume is little, simple to operate, preparation technology is simple, and low cost of manufacture; Simultaneously the braking mechanism that provides of the utility model in the course of the work, brake disc only slides up and down along the brake disc retainer, does not produce rotation, has guaranteed the safety and the reliability of brake.
The true spirit of the utility model is to make full use of the motor body inner space; Do not increasing the condition setting brake gear of installing space; Transmission device, braking mechanism are installed in the motor body inner space,, can reduce the installing space of 30%-60% at least relatively with existing conventional motors.
Reduce the household electrical appliance installing space; Improve the household electrical appliance compactness is the continuous pursuit of household appliance technical field always; It is a marvelous progress for household appliance technical field that the utility model can significantly reduce inner installing space, and the utility model also can be applied to other association area certainly.
The utility model has also been eliminated the prejudice that existing direct driving motor need not be provided with braking mechanism simultaneously, through braking mechanism transmission device is braked, and has guaranteed the fail safe and the reliability of brake, has prolonged the useful life of external rotor electric machine.
Description of drawings
Accompanying drawing 1 is the structure cutaway view of the utility model embodiment 5;
Accompanying drawing 2 is three-dimensional structure diagrams of the utility model embodiment 5;
Accompanying drawing 3 is cutaway views of the utility model braking mechanism;
Accompanying drawing 4 is sectional perspective explosive views of the utility model accompanying drawing 3;
Accompanying drawing 5 is partial structurtes figure of the utility model braking mechanism;
Accompanying drawing 6 is three-dimensional explosive views of the utility model;
Reference numeral: motor body 1, driving shaft 2, transmission device 3, inner diameter volume 11; Rotor 12, stator 13, installing component 4, rotor retainer 121; Shaft joint 5, gear box 31, clutch 32, stator retainer 131; Propeller shaft sleeve 6, braking mechanism 7, keep plate 71, brake disc 72, brake disc retainer 73, boss 74, back-moving spring 75, solenoid 76, brake block 77, the field of conjugate action 721, flange boss 731.
Embodiment
Embodiment 1, a kind of external rotor electric machine assembly that has braking mechanism comprise motor body 1, driving shaft 2; Transmission device 3, wherein: motor body 1 is an external rotor electric machine, comprises external rotor 12, stator 13; Stator 13 is positioned at rotor 12, and rotor 12 directly drives driving shaft 2, and stator 13 has inner diameter volume 11; Transmission device 3 is installed in the diameter of stator bore space 11, and transmission device 3 is fixedly mounted in the diameter of stator bore space 11 through installing component 4, and said rotor 12 comprises rotor retainer 121; Rotor retainer 121 is fixedly connected with said driving shaft 2 through shaft joint 5, and transmission device 3 comprises gear box 31 and clutch 32, and driving shaft 2 is through gear and gear box 31 engagements; Driving shaft 2 is outer be set with can with the propeller shaft sleeve 6 of its coaxial rotation, clutch 32 is connected with propeller shaft sleeve 6 respectively with gear box 31, transmission device also comprises housing; Gear box 31 is assemblied in the housing with the mode of clutch 31 through the engagement of groove tooth, and said housing constitutes stator retainer 131 simultaneously, and stator 13 is fixedly connected with stator retainer 131; Driving shaft 2 one ends constitute the power intake of said transmission device 3, and the other end constitutes the clutch end of said transmission device 3, also comprise braking mechanism 7; Braking mechanism 7 comprises keep plate 71, brake disc 72 and brake disc retainer 73, and keep plate 71 is fixedly connected with propeller shaft sleeve 6, and brake disc 72 is connected with brake disc retainer 73; The contact that brake disc 72 can slide up and down realization and keep plate 71 along propeller shaft sleeve 6 directions with separate, described keep plate 71 is gear box 31 cover plates; Described brake disc retainer 73 is a stator retainer 131, and described brake disc 72 belows are provided with one or more boss 74, and back-moving spring 75 is installed on the boss 74; Brake disc 72 belows also are provided with solenoid 76; Solenoid 76 and brake disc 72 couplings, described brake disc 72 also comprises brake block 77, brake block 77 is positioned at brake disc 72 tops; Be fixedly connected with brake disc 72 and be integral; Stator retainer 131 is provided with 4 flange boss 731, brake disc 72 be provided with 4 can with the field of conjugate action 721 of flange boss 731 engagement, brake disc 72 can slide up and down along stator retainer 131.
Embodiment 2, a kind of external rotor electric machine assembly that has braking mechanism comprise motor body 1, driving shaft 2; Transmission device 3, wherein: motor body 1 is an external rotor electric machine, comprises external rotor 12, stator 13; Stator 13 is positioned at rotor 12, and rotor 12 directly drives driving shaft 2, and stator 13 has inner diameter volume 11; Transmission device 3 is installed in the diameter of stator bore space 11, and transmission device 3 is fixedly mounted in the diameter of stator bore space 11 through installing component 4, and said rotor 12 comprises rotor retainer 121; Rotor retainer 121 is fixedly connected with said driving shaft 2 through shaft joint 5, and transmission device 3 comprises gear box 31 and clutch 32, and driving shaft 2 is through gear and gear box 31 engagements; Driving shaft 2 is outer be set with can with the propeller shaft sleeve 6 of its coaxial rotation, clutch 32 is connected with propeller shaft sleeve 6 respectively with gear box 31, transmission device also comprises housing; Gear box 31 is assemblied in the housing with the mode of clutch 31 through the engagement of groove tooth, and said housing constitutes stator retainer 131 simultaneously, and stator 13 is fixedly connected with stator retainer 131; Gear box 31 is assemblied in the housing with the mode of clutch 32 through the engagement of groove tooth, and stator 13 and stator retainer 131 are connected through screw, between the stator 13 at screw link position place and stator retainer 131, is provided with the cushion pad of soft material; Driving shaft 2 one ends constitute the power intake of said transmission device 3; The other end constitutes the clutch end of said transmission device 3, also comprises braking mechanism 7, and braking mechanism 7 comprises keep plate 71, brake disc 72 and brake disc retainer 73; Keep plate 71 is fixedly connected with propeller shaft sleeve 6; Brake disc 72 is connected with brake disc retainer 73, the contact that brake disc 72 can slide up and down realization and keep plate 71 along propeller shaft sleeve 6 directions with separate, described keep plate 71 is gear box 31 cover plates; Described brake disc retainer 73 is a stator retainer 131, and described brake disc 72 belows are provided with one or more boss 74, and back-moving spring 75 is installed on the boss 74; Brake disc 72 belows also are provided with solenoid 76, solenoid 76 and brake disc 72 couplings.Described brake disc 72 also comprises brake block 77; Brake block 77 is positioned at brake disc 72 tops; Be fixedly connected with brake disc 72 and be integral; Stator retainer 131 is provided with 4 flange boss 731, brake disc 72 be provided with 4 can with the field of conjugate action 721 of flange boss 731 engagement, brake disc 72 can slide up and down along stator retainer 131.
Embodiment 3, a kind of external rotor electric machine assembly that has braking mechanism comprise motor body 1, driving shaft 2; Transmission device 3, wherein: driving shaft 2 is fixed on the transmission device 3, and motor body 1 is an external rotor electric machine; Comprise external rotor 12, stator 13, stator 13 is positioned at rotor 12, and rotor 12 directly drives driving shaft 2; Stator 13 has inner diameter volume 11, and transmission device 3 is installed in the diameter of stator bore space 11, and transmission device 3 is fixedly mounted in the diameter of stator bore space 11 through installing component 4; Said rotor 12 comprises rotor retainer 121, and rotor retainer 121 is fixedly connected with said driving shaft 2 through shaft joint 5, and said transmission device 3 is double dynamical transmission device.All the other are with embodiment 1 or embodiment 2.
Embodiment 4, a kind of external rotor electric machine assembly that has braking mechanism comprise motor body 1, driving shaft 2; Transmission device 3, wherein: driving shaft 2 is fixed on the transmission device 3, and motor body 1 is an external rotor electric machine; Comprise external rotor 12, stator 13, stator 13 is positioned at rotor 12, and rotor 12 directly drives driving shaft 2; Stator 13 has inner diameter volume 11, and transmission device 3 is installed in the diameter of stator bore space 11, and transmission device 3 is installed in the diameter of stator bore space 11 through screw; Said rotor 12 comprises rotor retainer 121; Rotor retainer 121 is fixedly connected with said driving shaft 2 through shaft joint 5, and driving shaft 2 one ends constitute the power intake of said transmission device 3, and the other end constitutes the clutch end of said transmission device 3.Transmission device 3 comprises gear box 31 and clutch 32; Driving shaft 2 is through gear and gear box 31 engagements; Driving shaft 2 is outer be set with can with the propeller shaft sleeve 6 of its coaxial rotation, clutch 32 is connected with propeller shaft sleeve 6 respectively with gear box 31, transmission device also comprises housing; Gear box 31 is assemblied in the housing with the mode of clutch 31 through the engagement of groove tooth; Said housing constitutes stator retainer 131 simultaneously, and stator 13 is fixedly connected with stator retainer 131, and stator 13 and stator retainer 131 are connected through screw.All the other are with embodiment 1 or embodiment 2.
Embodiment 5, a kind of external rotor electric machine assembly that has braking mechanism, wherein: transmission device 3 is installed in the diameter of stator bore space 11, and transmission device 3 is partially submerged in the diameter of stator bore space 11.All the other are with enforcement 1 or embodiment 2 or embodiment 3 or embodiment 4.
Embodiment 6, a kind of external rotor electric machine assembly that has braking mechanism, wherein: transmission device 3 is installed in the diameter of stator bore space 11, transmission device 3 whole embeddings in the diameter of stator bore space 11.All the other are with enforcement 1 or embodiment 2 or embodiment 3 or embodiment 4.
The utility model is not limited to above-mentioned concrete embodiment, and it also has a lot of the variation or remodeling, but does not break away from the connotation and the scope of the utility model, all belongs to the protection range of the utility model.

Claims (10)

1. external rotor electric machine assembly that has braking mechanism; Comprise motor body (1), driving shaft (2), transmission device (3); It is characterized in that: driving shaft (2) is fixed on the transmission device (3); Motor body (1) directly drives driving shaft (2), and motor body (1) has inner diameter volume (11), and transmission device (3) is installed in the motor body inner diameter volume (11); Also comprise braking mechanism (7), braking mechanism (7) is installed in the motor body inner diameter volume (11).
2. a kind of external rotor electric machine assembly that has braking mechanism as claimed in claim 1; It is characterized in that: said motor body (1) is an external rotor electric machine; Comprise external rotor (12), stator (13), stator (13) is positioned at rotor (12), and rotor (12) directly drives driving shaft (2); Stator (13) has inner diameter volume (11), and said transmission device (3) is fixedly mounted in the diameter of stator bore space (11) through installing component (4).
3. according to claim 1 or claim 2 a kind of external rotor electric machine assembly that has braking mechanism, it is characterized in that: said rotor (12) comprises rotor retainer (121), rotor retainer (121) is fixedly connected with said driving shaft (2) through shaft joint (5).
4. according to claim 1 or claim 2 a kind of external rotor electric machine assembly that has braking mechanism, it is characterized in that: said transmission device (3) comprises gear box (31) and clutch (32), driving shaft (2) meshes through gear and gear box (31).
5. a kind of external rotor electric machine assembly that has braking mechanism as claimed in claim 4 is characterized in that: driving shaft (2) is outer be set with can with the propeller shaft sleeve (6) of its coaxial rotation, clutch (32) is connected with propeller shaft sleeve (6) respectively with gear box (31).
6. a kind of external rotor electric machine assembly that has braking mechanism as claimed in claim 1; It is characterized in that: described braking mechanism (7) comprises keep plate (71), brake disc (72) and brake disc retainer (73); Keep plate (71) is fixedly connected with propeller shaft sleeve (6); Brake disc (72) is connected with brake disc retainer (73), brake disc (72) can along propeller shaft sleeve (6) direction slide up and down realize with the contact of keep plate (71) with separate.
7. a kind of external rotor electric machine assembly that has braking mechanism as claimed in claim 4; It is characterized in that: said transmission device also comprises housing; Gear box (31) and clutch (31) are assemblied in the housing through engagement system; Said housing becomes stator retainer (131), and stator (13) is fixedly connected with stator retainer (131).
8. a kind of external rotor electric machine assembly that has braking mechanism as claimed in claim 6 is characterized in that: described keep plate (71) is gear box (a 31) cover plate; Described brake disc retainer (73) is stator retainer (131).
9. like claim 6 or 8 described a kind of external rotor electric machine assemblies that have braking mechanism, it is characterized in that: described brake disc (72) below is provided with one or more boss (74), and back-moving spring (75) is installed on the boss (74); Brake disc (72) below also is provided with solenoid (76), solenoid (76) and brake disc (72) coupling.Described brake disc (72) also comprises brake block (77), and brake block (77) is positioned at brake disc (72) top, is fixedly connected with brake disc (72) to be integral.
10. like claim 6 or 8 described a kind of external rotor electric machine assemblies that have braking mechanism; It is characterized in that: brake disc retainer (73) is provided with one or more flange boss (731); Brake disc (72) be provided with one or more can with the field of conjugate action (721) of flange boss (731) engagement, brake disc (72) can slide up and down along brake disc retainer (73).
CN2011201579738U 2011-05-18 2011-05-18 Outer rotor motor assembly with brake mechanism Expired - Lifetime CN202206243U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201579738U CN202206243U (en) 2011-05-18 2011-05-18 Outer rotor motor assembly with brake mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201579738U CN202206243U (en) 2011-05-18 2011-05-18 Outer rotor motor assembly with brake mechanism

Publications (1)

Publication Number Publication Date
CN202206243U true CN202206243U (en) 2012-04-25

Family

ID=45970339

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201579738U Expired - Lifetime CN202206243U (en) 2011-05-18 2011-05-18 Outer rotor motor assembly with brake mechanism

Country Status (1)

Country Link
CN (1) CN202206243U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102170191A (en) * 2011-05-18 2011-08-31 常州新亚电机有限公司 External rotor motor assembly with brake mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102170191A (en) * 2011-05-18 2011-08-31 常州新亚电机有限公司 External rotor motor assembly with brake mechanism
CN102170191B (en) * 2011-05-18 2013-04-17 常州新亚电机有限公司 External rotor motor assembly with brake mechanism

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C14 Grant of patent or utility model
CX01 Expiry of patent term

Granted publication date: 20120425

CX01 Expiry of patent term