CN201191795Y - Differential mechanism electric motor - Google Patents

Differential mechanism electric motor Download PDF

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Publication number
CN201191795Y
CN201191795Y CNU2008200211801U CN200820021180U CN201191795Y CN 201191795 Y CN201191795 Y CN 201191795Y CN U2008200211801 U CNU2008200211801 U CN U2008200211801U CN 200820021180 U CN200820021180 U CN 200820021180U CN 201191795 Y CN201191795 Y CN 201191795Y
Authority
CN
China
Prior art keywords
motor
electromotor
differential mechanism
brush
differential
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
CNU2008200211801U
Other languages
Chinese (zh)
Inventor
谢镕安
王瑷国
隋月梅
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.)
SHANGHAI ZHONGSHANG AUTOMOBILE TECHNOLOGY Co Ltd
Original Assignee
SHANGHAI ZHONGSHANG AUTOMOBILE TECHNOLOGY 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 SHANGHAI ZHONGSHANG AUTOMOBILE TECHNOLOGY Co Ltd filed Critical SHANGHAI ZHONGSHANG AUTOMOBILE TECHNOLOGY Co Ltd
Priority to CNU2008200211801U priority Critical patent/CN201191795Y/en
Application granted granted Critical
Publication of CN201191795Y publication Critical patent/CN201191795Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

Abstract

The utility model relates to a differential mechanism electromotor for electric cars, which belongs to the technical field of electromotor structures. The differential mechanism electromotor comprises an electromotor shell and electromotor side covers on two ends which are connected, wherein the electromotor side covers are connected with an electromotor shaft in a sealing mode, permanent magnets which are used as stators, electromotor rotors and a differential mechanism are arranged in the shell of the electromotor. An electric brush is connected with an external power supply, and the electric brush, the electromotor rotors and the electromotor shaft are connected with a half shaft in turn to output power to a wheel. The differential mechanism electromotor is characterized in that the electromotor rotors are separated structures and the electromotor rotors which are embedded into the permanent magnets are respectively arranged on two sides of the differential mechanism. The electromotor rotors are respectively arranged on two sides of the differential mechanism, the volume is clearly reduced, the differential mechanism is not wrapped by the electromotor rotors, the heat dissipation performance is prominently improved, an electric brush box restricts the problems of excessive displacement and bad contact with the electromotor rotors of the electric brush due to self-elasticity, the service life of the electric brush is prolonged, and the installation, the disassembly and the maintenance are also simple and convenient.

Description

Differential motor
One, technical field
The utility model relates to a kind of Electric differential motor, belongs to the electric motor structure technical field.
Two, background technology
At present used differential motor is because motor rotor is wrapped in differential mechanism, make volume heavy, thermal diffusivity is bad, and since brush exist certain elasticity, easy to wear, useful life short, occur the loose contact phenomenon after the wearing and tearing, need often dismounting maintain and replace.
Three, summary of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, provide a kind of volume obviously to reduce, heat dispersion significantly improves, and can overcome the elasticity that himself exists after the wear of brush, increase the service life, and installs, dismounting differential motor easily easy to maintenance.
The utility model is achieved through the following technical solutions:
Differential motor, be connected with the motor side cover at two ends by motor field frame, motor side cover and motor reel are tightly connected, be provided with permanent magnet, motor rotor and differential mechanism in the motor field frame as stator, brush connects external power, connect the semiaxis outputting power in regular turn to wheel by brush, motor rotor, motor reel, special character is: motor rotor is respectively established a motor rotor that embeds permanent magnet inside for dividing body structure in the both sides of differential mechanism.
Connect brush by motor rotor, brush places in the outside set brush box, and brush box is connected with motor field frame, and brush box is used to prevent that the brush position displacement is excessive, can effectively increase brush useful life.
Described differential mechanism is socketed on the planet pin by planetary gear, and planetary gear and differential side gear are connected with a joggle, and differential side gear connects the differential mechanism semiaxis, and the differential mechanism half-axile sleeve is connected in the motor reel.
Be connected by bearing of motor, bearing of motor oil sealing sealing between described motor side cover and the motor reel.
The inner junction with the differential mechanism semiaxis of described motor reel is provided with and is used to block the differential mechanism axle-shaft oil seal that motor rotor internal gear oil leaks outside.
Differential motor of the present utility model is located at the both sides of differential mechanism respectively with motor rotor, makes the motor volume obviously reduce; Differential mechanism no longer is subjected to the parcel of motor rotor, and heat dispersion significantly improves; Because brush places in the outside set brush box, after the wear of brush, the existence of brush box has limited brush because the position displacement that self elasticity exists is excessive, with the problem of motor rotor loose contact, prolonged brush useful life, install, the dismounting maintenance is also simple and convenient.
Four, description of drawings
Fig. 1: be the utility model differential motor structural representation;
Among the figure, 1, motor field frame, 2, permanent magnet, 3, brush box, 4, brush, 5, the motor side cover, 6, bearing of motor, 7, the bearing of motor oil sealing, 8, the differential mechanism axle-shaft oil seal, 9, differential mechanism semiaxis, 10, motor reel, 11, motor rotor, 12, axle shaft gear, 13, planet pin, 14, planetary gear.
Five, embodiment
Following with reference to accompanying drawing, provide embodiment of the present utility model, be used for formation of the present utility model is further specified.
Embodiment 1
The differential motor of present embodiment is with reference to figure 1, be connected with the motor side cover 5 at two ends by motor field frame 1, motor side cover 5 is tightly connected with motor reel 10, be provided with permanent magnet 2, motor rotor 11 and differential mechanism in the motor field frame 1 as stator, brush 4 connects external power, connect outputting power in regular turn to wheel by brush 4, motor rotor 11, motor reel 10, motor rotor 11 is respectively established a motor rotor 11 that embeds permanent magnet 2 inside for dividing body structure in the both sides of differential mechanism; Connect brushes 4 by motor rotor 11, brush 4 places in the outside set brush box 3, and brush box 3 is connected with motor field frame 1, and brush box 3 is used to prevent that brush 4 position displacements are excessive, can effectively increase brush useful life; Differential mechanism is socketed on the planet pin 13 by planetary gear 14, and planetary gear 14 and differential side gear 12 are connected with a joggle, and differential side gear 12 connects differential mechanism semiaxis 9, and differential mechanism semiaxis 9 is socketed in the motor reel 10; Be tightly connected by bearing of motor 6, bearing of motor oil sealing 7 between motor side cover 5 and the motor reel 10, motor reel 10 inner junctions with differential mechanism semiaxis 9 are provided with and are used to block the differential mechanism axle-shaft oil seal 8 that motor rotor 11 internal gear oil leak outside.
The differential motor of present embodiment, can be driven the differential mechanism semiaxis by the differential rotor rotation of motor rotates, and travel by the wheel that the differential mechanism semiaxis drives two ends, its noiselessness simple in structure, realized the incorporate purpose of motor and back axle chassis of electric car, make the chassis of electric bus in transmission, reduce resistance, can improve the existing electric bus speed of a motor vehicle again, reduce noise, rotor is located at the both sides of differential mechanism respectively, the moment of torsion that rotor is produced is big, and actuating force is strong, and after rotor volume diminishes, improve the radiating effect of motor, prolonged the useful life of motor simultaneously.
The utility model differential motor is compared with the open differential motor and is had the following advantages:
1, volume is little, and is in light weight.
2, power is big, and electric car starts fast.
3, thermal diffusivity is good.
4, long service life.
5, easy to maintenance.
6, low cost of manufacture.
7, noise is little, realizes real low noise.
8, installation, easy removal.
9, moment of torsion is big.
10, be applicable to weight, light-duty big or small electric motor car.

Claims (5)

1, differential motor, be connected with the motor side cover (5) at two ends by motor field frame (1), motor side cover (5) is tightly connected with motor reel (10), be provided with permanent magnet (2) in the motor field frame (1) as stator, motor rotor (11) and differential mechanism, brush (4) connects external power, by brush (4), motor rotor (11), motor reel (10) connects outputting power in regular turn to wheel, be characterised in that: motor rotor (11) is respectively established one and is embedded the inner motor rotor (11) of permanent magnet (2) for dividing body structure in the both sides of differential mechanism.
2, according to the described differential motor of claim 1, it is characterized in that, connect brush (4) by motor rotor (11), brush (4) places in the outside set brush box (3), brush box (3) is connected with motor field frame (1), brush box (3) is used to prevent that brush (4) position displacement is excessive, can effectively increase brush useful life.
3, according to the described differential motor of claim 1, it is characterized in that described differential mechanism is socketed on the planet pin (13) by planetary gear (14), planetary gear (14) and differential side gear (12) are connected with a joggle, differential side gear (12) connects differential mechanism semiaxis (9), and differential mechanism semiaxis (9) is socketed in the motor reel (10).
4, according to the described differential motor of claim 1, it is characterized in that, be tightly connected by bearing of motor (6), bearing of motor oil sealing (7) between described motor side cover (5) and the motor reel (10).
According to the described differential motor of claim 1, it is characterized in that 5, the inner junction with differential mechanism semiaxis (9) of described motor reel (10) is provided with and is used to block the differential mechanism axle-shaft oil seal (8) that motor rotor (11) internal gear oil leaks outside.
CNU2008200211801U 2008-04-30 2008-04-30 Differential mechanism electric motor Expired - Lifetime CN201191795Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200211801U CN201191795Y (en) 2008-04-30 2008-04-30 Differential mechanism electric motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200211801U CN201191795Y (en) 2008-04-30 2008-04-30 Differential mechanism electric motor

Publications (1)

Publication Number Publication Date
CN201191795Y true CN201191795Y (en) 2009-02-04

Family

ID=40335954

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200211801U Expired - Lifetime CN201191795Y (en) 2008-04-30 2008-04-30 Differential mechanism electric motor

Country Status (1)

Country Link
CN (1) CN201191795Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104052189A (en) * 2013-11-26 2014-09-17 马力 Rotor structure of differential motor for electric vehicle
CN104097507A (en) * 2013-04-02 2014-10-15 李宝玲 Vehicle steering differential gear

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104097507A (en) * 2013-04-02 2014-10-15 李宝玲 Vehicle steering differential gear
CN104097507B (en) * 2013-04-02 2017-06-06 李宝玲 A kind of differential gear of Vehicular turn
CN104052189A (en) * 2013-11-26 2014-09-17 马力 Rotor structure of differential motor for electric vehicle

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C14 Grant of patent or utility model
GR01 Patent grant
PP01 Preservation of patent right

Effective date of registration: 20111129

Granted publication date: 20090204

PD01 Discharge of preservation of patent

Date of cancellation: 20120331

Granted publication date: 20090204

CX01 Expiry of patent term

Granted publication date: 20090204

CX01 Expiry of patent term