CN202384910U

CN202384910U - Electromobile gear motor

Info

Publication number: CN202384910U
Application number: CN2011205597364U
Authority: CN
Inventors: 寿月光
Original assignee: HUZHOU JIAJIESHI ELECTROMECHANICAL CO Ltd
Current assignee: HUZHOU JIAJIESHI ELECTROMECHANICAL CO Ltd
Priority date: 2011-12-28
Filing date: 2011-12-28
Publication date: 2012-08-15
Anticipated expiration: 2021-12-28

Abstract

The utility model discloses an electromobile gear motor, which comprises a steel ring and a motor shaft. A left side cover, a spline toothed ring, a planet gear fixing frame, a gear rotor, a motor rotor, an annular gear, an annular gear fixing seat and a right side cover are sequentially sleeved on the motor shaft from left to right, wherein the left side cover and the right side cover are respectively and fixedly connected with the left side and the right side of the steel ring, the annular ring fixing seat is fixedly connected with the motor shaft, a motor stator is fixed on the annular gear fixing seat, the left end of the gear rotor extends out of a gear portion which serves as a sun gear of a planet gear speed reduction mechanism, three planet gears are respectively installation of the gear fixing frame through three pin shafts, the gear fixing frame is installed on the motor shaft through a bearing and fixedly and axially connected with the spline toothed ring through a spline, and the spline toothed ring is fixedly connected with the left side cover through a fastener. The electromobile gear motor is simple in structure, reasonable in design, convenient to assembly, small in volume, light in weight, large in torsion, high in transmission efficiency, low in fault rate and long in service life.

Description

A kind of electric motor car gear motor

Technical field

The utility model relates to a kind of planetary reduction gear motor that is used for electric motor car.

Background technology

Brushless deceleration wheel hub motor in the market exists that complex structure, number of parts are many, the part processing precision requirement improves, the assembling difficulty is big, failure rate and repair rate be than problems such as higher, that maintenance is inconvenient, useful life is low.

Summary of the invention

In order to solve above-mentioned technical problem; The purpose of the utility model provides a kind of electric motor car gear motor, has that simple and compact for structure, installation and maintenance are convenient, volume is little, in light weight, moment of torsion is big, transmission efficiency is high, failure rate is low and characteristics such as long service life.

In order to reach above-mentioned purpose, the technical scheme below the utility model has adopted:

A kind of electric motor car gear motor; Comprise steel ring and motor shaft, be arranged with left side lid, spline gear, planetary gear fixed mount, gear rotor, motor stator, ring gear, ring gear holder and the right lid on the motor shaft from left to right successively, said left side lid and the right are covered all through Bearing Installation on motor shaft; Left side lid is fixedly connected with the right and left of steel ring respectively with the right lid; Said ring gear holder is fixedly connected with motor shaft, and the motor stator of being made up of magnetic links and coil windings is fixed on the ring gear holder, and gear rotor is arranged on motor stator central authorities and passes through bearing on motor shaft; The left end of gear rotor extends a gear part; This gear part is engaged with three planetary gears as the sun gear of planetary gear reducing mechanism around sun gear, ring gear and three planetary gear engagements; Ring gear is fixed on the ring gear holder; Three planetary gears are installed on the gear fixed mount through three pivot pins respectively, and the gear fixed mount is connected with the spline gear axial restraint on motor shaft and through spline through Bearing Installation, and said spline gear is fixedly connected through securing member with left side lid; Wherein, the right-hand member of said motor shaft has wire guide, be installed in coil windings on the ring gear holder, the motor Hall sensor motor lead-out wire through passing said wire guide respectively with motor phase connector, motor suddenly the ear connector be connected; Said the right lid covers with bearing fixing between the motor shaft right-hand member on the right, and the bearing inner race of this bearing and the shaft shoulder on the motor shaft offset, the left end of the motor shaft adjusting nut that has been threaded, adjusting nut and the right cover offset fixing.

The utility model is owing to adopted above technical scheme; The high speed rotating of brushless electric motor rotor passes to the steel ring wheel hub through planetary gear reducing mechanism and spline gear; Make it to have bigger output torque; Make the electric motor car climbing be more prone to, adopt the planet carrier outputting power, make that the transmission efficiency of planetary gear reducing mechanism is higher; Simultaneously, also have simple in structure, reasonable in design, ease of assembly, volume is little, in light weight, moment of torsion is big, transmission efficiency is high, failure rate is low and characteristics such as long service life.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Embodiment

Below in conjunction with accompanying drawing the embodiment of the utility model is done a detailed explanation.

Embodiment 1:

A kind of electric motor car gear motor as shown in Figure 1; Comprise steel ring 1 and motor shaft 13; Be arranged with left side lid 2, spline gear 8, planetary gear fixed mount 7, gear rotor 12, motor stator, ring gear 3, ring gear holder 9 and the right lid 18 on the motor shaft 13 from left to right successively; Said left side lid 2 with the right lid 18 all through Bearing Installation on motor shaft 13, left side lid 2 covers 18 with the right and is fixedly connected with the right and left of steel ring 1 respectively, said ring gear holder 9 is fixedly connected with motor shaft 13; The motor stator of being made up of magnetic links 11 and coil windings 10 is fixed on the ring gear holder 9; Gear rotor 12 is arranged on motor stator central authorities and passes through bearing on motor shaft 13, and the left end of gear rotor 12 extends a gear part, and this gear part is as the sun gear of planetary gear reducing mechanism; Be engaged with three planetary gears 4 around sun gear; Ring gear 3 and three planetary gear 4 engagements, ring gear 3 is fixed on the ring gear holder 9, and three planetary gears 4 are installed on the gear fixed mount 7 through three pivot pins 5 respectively; Gear fixed mount 7 is connected with spline gear 8 axial restraints on motor shaft 13 and through spline through Bearing Installation, and said spline gear 8 and the left side are covered 2 and be fixedly connected through securing member; Wherein, The right-hand member of said motor shaft 13 has wire guide, be installed in coil windings 10 on the ring gear holder 9, the motor Hall sensor 15 motor lead-out wire 14 through passing said wire guide respectively with motor phase connector 16, motor suddenly ear connector 17 be connected; Said the right lid 18 covers with bearing fixing between motor shaft 13 right-hand members on the right, and the shaft shoulder on the bearing inner race of this bearing and the motor shaft 13 offsets, the left end of motor shaft 13 adjusting nut 6 that has been threaded, adjusting nut 6 and the right cover 18 offset fixing.

Claims

1. electric motor car gear motor; It is characterized in that; Comprise steel ring (1) and motor shaft (13), be arranged with left side lid (2), spline gear (8), planetary gear fixed mount (7), gear rotor (12), motor stator, ring gear (3), ring gear holder (9) and the right lid (18) on the motor shaft (13) from left to right successively, said left side lid (2) and the right cover (18) all through Bearing Installation on motor shaft (13); Left side lid (2) is fixedly connected with the right and left of steel ring (1) respectively with the right lid (18); Said ring gear holder (9) is fixedly connected with motor shaft (13), and the motor stator of being made up of magnetic links (11) and coil windings (10) is fixed on the ring gear holder (9), and gear rotor (12) is arranged on motor stator central authorities and passes through bearing on motor shaft (13); The left end of gear rotor (12) extends a gear part; This gear part is engaged with three planetary gears (4) as the sun gear of planetary gear reducing mechanism around sun gear, ring gear (3) and three planetary gears (4) engagement; Ring gear (3) is fixed on the ring gear holder (9); Three planetary gears (4) are installed on the gear fixed mount (7) through three pivot pins (5) respectively, and gear fixed mount (7) is gone up and passed through spline at motor shaft (13) through Bearing Installation and is connected with spline gear (8) axial restraint, and said spline gear (8) is fixedly connected through securing member with left side lid (2); Wherein, The right-hand member of said motor shaft (13) has wire guide, be installed in coil windings (10) on the ring gear holder (9), motor Hall sensor (15) the motor lead-out wire (14) through passing said wire guide respectively with motor phase connector (16), motor suddenly ear connector (17) be connected; Bearing fixing between said the right lid (18) and motor shaft (13) right-hand member covers on the right; The shaft shoulder on the bearing inner race of this bearing and the motor shaft (13) offsets; The left end of motor shaft (13) adjusting nut (6) that has been threaded, adjusting nut (6) offsets fixing with the right lid (18).