CN201118351Y - Shift bearing deceleration wheel hub electromotor for electric car - Google Patents
Shift bearing deceleration wheel hub electromotor for electric car Download PDFInfo
- Publication number
- CN201118351Y CN201118351Y CNU2007200559660U CN200720055966U CN201118351Y CN 201118351 Y CN201118351 Y CN 201118351Y CN U2007200559660 U CNU2007200559660 U CN U2007200559660U CN 200720055966 U CN200720055966 U CN 200720055966U CN 201118351 Y CN201118351 Y CN 201118351Y
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- motor
- wheel hub
- bearing
- special
- variable
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Abstract
The utility model relates to motor technical field, in particular to a special decelerating hub motor with a shift bearing for electric motor cars. The decelerating hub motor comprises an outer shell for the hub motor, a fixed shaft, a motor stator, a motor rotor, a shell for the motor stator and a unidirectional clutch; wherein the outer shell of the hub motor is composed of a hub end closure and a hub cylinder. The decelerating hub motor in addition comprises a hollow shafting and a shift bearing consisting of an outer ring which is provided with inner teeth, an inner ring which is provided with an eccentric mechanism and a middle ring which is arranged between the outer ring and the inner ring; the inner ring is connected the motor rotor through the hollow shafting; the middle ring is fixedly connected with the fixed shaft or with the shell of the motor stator; the outer ring is meshed with the unidirectional clutch whose main body is fixed inside the hub cylinder. The special decelerating hub motor has the advantages of simple structure, small size, large range of transmission ratio, smooth power transmission and long service life.
Description
Technical field:
The utility model relates to technical field of motors, particularly the special-purpose variable-speed bearing deceleration of electric motor car wheel hub motor.
Background technology:
In electric motor car, its type of drive is generally rear wheel drive, the hub portion of trailing wheel is made of wheel hub shell, electric motor car back vent fixed axis, motor and deceleration device, the driven wheel hub shell rotated after motor slowed down through deceleration device, thereby driving trailing wheel rotates, using the deceleration device at electric vehicle hub at present generally is gear box and planetary gear, and structure is comparatively complicated.The deceleration device that gear box or planetary gear constitute, since the structure of wheel hub and volume to limit its gearratio very little, and the speed of electric motor car does not now allow too fast, therefore its motor of existing electric motor car can only be selected slowspeed machine for use, the rotating speed of slowspeed machine is generally between per minute 300～400 changes, the output torque is less, goes up a slope or may can't cruising because torque is too small during the carrying weight in electric motor car.Deceleration device also is subjected to complicated power, and the wearing and tearing of gears engaged are more serious, and its life-span is not long usually, and has grown service time and also can occur because of wearing and tearing vibrating and noise.
The utility model content:
The purpose of this utility model is that the special-purpose variable-speed bearing deceleration of electric motor car wheel hub motor is provided at the deficiencies in the prior art, and it has advantage simple in structure, that volume is little, gear range is big, transmission of power is steady, the life-span is long.
For achieving the above object, the utility model adopts following technical scheme:
The special-purpose variable-speed bearing deceleration of electric motor car wheel hub motor, it comprises wheel hub motor shell, fixed axis, motor stator, rotor, motor stator casing, one-way clutch, the wheel hub motor shell is rotatably connected on the fixed axis by bearing, the wheel hub motor shell is made of wheel hub end housing and wheel hub tube, and motor stator casing is fixedlyed connected with motor stator with fixed axis respectively; It also includes motor-hollow axle, variable-speed bearing, variable-speed bearing by the outer ring that offers internal tooth, have the inner ring of eccentric stiffener, centre circle between outer ring and inner ring constitutes, inner ring is connected with rotor by motor-hollow axle, centre circle is fixedlyed connected with fixed axis, outer ring and one-way clutch engagement, the one-way clutch body is fixed in the wheel hub tube.
Described motor-hollow axle is socketed in the rotor and by bearing and fixed axis and is rotationally connected, and motor-hollow axle one end is connected with inner ring.
The inner ring of described variable-speed bearing is made of single eccentric bushing, spring bearing and capacity eccentric bearing, the both sides of single eccentric bushing are respectively equipped with concentric zone and eccentric district, concentric zone socket spring bearing, eccentric district's socket capacity eccentric bearing, centre circle one side is along the radially guide groove that circumferentially has five equilibrium, radially be placed with cylindrical roller in the guide groove, cylindrical roller meshes with internal tooth and capacity eccentric bearing respectively.
Also be provided with raceway and steel ball between described outer ring and the centre circle.
The groove number of described radially guide groove and the number of teeth of internal tooth differ 1.
Described centre circle is fixedlyed connected with fixed axis by motor stator casing.
Described centre circle is fastenedly connected by flange and fixed axis.
The utility model beneficial effect is: the utility model with variable-speed bearing as deceleration device, variable-speed bearing by the outer ring that offers internal tooth, have the inner ring of eccentric stiffener, centre circle between outer ring and inner ring constitutes, simple in structure, volume is little, and uses that variable-speed bearing is steady as its transmission of power of deceleration device, the life-span is long; The inner ring of variable-speed bearing is connected with rotor by motor-hollow axle, centre circle is fixedlyed connected with fixed axis, outer ring and one-way clutch engagement, the one-way clutch body is fixed in the wheel hub tube, motor is given the wheel hub tube by variable-speed bearing with transmission of torque, the wheel hub tube drives the wheel hub motor housing and rotates, the gear range of variable-speed bearing is big, can between 4～60, adjust, motor can use high-speed electric expreess locomotive, have bigger torque, electric motor car goes up a slope or also can cruising during the carrying weight, strengthens the overall performance of electric motor car.
Description of drawings:
Accompanying drawing 1 is a profile of the present utility model
Accompanying drawing 2 is front views of the utility model variable-speed bearing
Accompanying drawing 3 is the revolved sectional views of A-A in the accompanying drawing 2
Accompanying drawing 4 is profiles of another embodiment of the utility model
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described, see accompanying drawing 1～accompanying drawing 3, the special-purpose variable-speed bearing deceleration of electric motor car wheel hub motor, it comprises wheel hub motor shell 1, fixed axis 2, motor stator 3, rotor 4, motor stator casing 5, one-way clutch 6, wheel hub motor shell 1 is rotatably connected on the fixed axis 2 by bearing, wheel hub motor shell 1 is made of wheel hub end housing 10 and wheel hub tube 11, and motor stator casing 5 is fixedlyed connected with motor stator 3 with fixed axis 2 respectively; It also includes motor-hollow axle 7, variable-speed bearing 8, variable-speed bearing 8 is made of the outer ring 80 that offers internal tooth, the inner ring 81 that has eccentric stiffener, the centre circles 82 that are positioned in the middle of outer ring 80 and the inner ring 81, inner ring 81 is connected with rotor 4 by motor-hollow axle 7, centre circle 82 is fixedlyed connected with fixed axis 2, outer ring 80 and one-way clutch 6 engagements, one-way clutch 6 bodies are fixed in the wheel hub tube 11.
Motor-hollow axle 7 is socketed in the rotor 4 and by bearing and fixed axis 2 and is rotationally connected, and motor-hollow axle 7 one ends are connected with inner ring 81.The inner ring 81 of variable-speed bearing 8 is made of single eccentric bushing 810, spring bearing 811 and capacity eccentric bearing 812, the both sides of single eccentric bushing 810 are respectively equipped with concentric zone 813 and eccentric district 814, concentric zone 813 socket spring bearings 811, eccentric district 814 socket capacity eccentric bearings 812, centre circle 82 1 sides are along the radially guide groove 83 that circumferentially has five equilibrium, radially be placed with cylindrical roller 84 in the guide groove 83, cylindrical roller 84 meshes with the internal tooth 801 of outer ring 80 and the capacity eccentric bearing 814 of inner ring 81 respectively.Also be provided with raceway 87 and steel ball 86 between outer ring 80 and the centre circle 82.Radially the number of teeth of the groove number of guide groove 83 and outer ring 80 internal tooths 801 differs 1.
See accompanying drawing 1, be the situation that centre circle 82 is fixedlyed connected with fixed axis 2 indirectly, centre circle 82 is fixed on motor stator casing 5 one sides, and centre circle 82 is fixedlyed connected with fixed axis 2 by motor stator casing 5.
See accompanying drawing 4, for centre circle 82 passes through the situation that flange 20 is fixedlyed connected with fixed axis 2.
Operation principle of the present utility model: when motor rotation, rotor 4 rotations drive motor-hollow axle 7 and rotate, motor-hollow axle 7 drives the inner ring 81 of variable-speed bearing 8 by flat key, cylindrical roller 84 is done radial motion in the radially guide groove 83 of centre circle 82, this motion is subjected to the constraint of centre circle 82, cylindrical roller 84 is when doing radial motion, make transport motion with inner ring 81, this motion drives outer ring 80, outer ring 80 is done and inner ring 81 coaxial lines, the deceleration of counterturn is rotated, gearratio is the interior number of teeth, and variable speed transmission bearing outer ring 80 is delivered to one-way clutch 6 to power output, thereby one-way clutch 6 outputs to power on the wheel hub.
The utility model as deceleration device, has shortened driving-chain with variable-speed bearing 8, has omitted many high speed rotating parts in the main frame, and is simple in structure, volume is little, and uses that variable-speed bearing 8 is steady as the transmission of power of deceleration device, the life-span is long; And the gear range of variable-speed bearing 8 is big, can adjust between 4～60, and motor can use high-speed electric expreess locomotive, has bigger torque, and electric motor car goes up a slope or also can cruising during the carrying weight, strengthens the overall performance of electric motor car.
Claims (7)
1, the special-purpose variable-speed bearing deceleration of electric motor car wheel hub motor, it comprises wheel hub motor shell (1), fixed axis (2), motor stator (3), rotor (4), motor stator casing (5), one-way clutch (6), wheel hub motor shell (1) is rotatably connected on the fixed axis (2) by bearing, and wheel hub motor shell (1) is made of wheel hub end housing (10) and wheel hub tube (11); Motor stator casing (5) is fixedlyed connected with motor stator (3) with fixed axis (2) respectively, it is characterized in that: it also includes motor-hollow axle (7), variable-speed bearing (8), variable-speed bearing (8) is by the outer ring that offers internal tooth (801) (80), the inner ring (81) that has eccentric stiffener, the centre circle (82) that is positioned between outer ring (80) and the inner ring (81) constitutes, inner ring (81) is connected with rotor (4) by motor-hollow axle (7), centre circle (82) is fixedlyed connected with fixed axis (2), outer ring (80) and one-way clutch (6) engagement, one-way clutch (6) body is fixed in the wheel hub tube (11).
2, the special-purpose variable-speed bearing deceleration of electric motor car according to claim 1 wheel hub motor, it is characterized in that: described motor-hollow axle (7) is socketed in the rotor (4) and by bearing and fixed axis (2) and is rotationally connected, and motor-hollow axle (7) one ends are connected with inner ring (81).
3, the special-purpose variable-speed bearing deceleration of electric motor car according to claim 1 wheel hub motor, it is characterized in that: the inner ring (81) of described variable-speed bearing (8) is by single eccentric bushing (810), spring bearing (811) and capacity eccentric bearing (812) constitute, the both sides of single eccentric bushing (810) are respectively equipped with concentric zone (813) and eccentric district (814), concentric zone (813) socket spring bearing (811), eccentric district (814) socket capacity eccentric bearing (812), centre circle (82) one sides are along the radially guide groove (83) that circumferentially has five equilibrium, radially be placed with cylindrical roller (84) in the guide groove (83), cylindrical roller (84) meshes with internal tooth (801) and capacity eccentric bearing (812) respectively.
4, the special-purpose variable-speed bearing deceleration of electric motor car according to claim 3 wheel hub motor is characterized in that: also be provided with raceway (87) and steel ball (86) between described outer ring (80) and the centre circle (82).
5, the special-purpose variable-speed bearing deceleration of electric motor car according to claim 3 wheel hub motor, it is characterized in that: the number of teeth of the groove number of described radially guide groove (83) and internal tooth (801) differs 1.
6, the special-purpose variable-speed bearing deceleration of electric motor car according to claim 1 wheel hub motor, it is characterized in that: described centre circle (82) is fixedlyed connected with fixed axis (2) by motor stator casing (5).
7, the special-purpose variable-speed bearing deceleration of electric motor car according to claim 1 wheel hub motor, it is characterized in that: described centre circle (82) is fastenedly connected by flange (20) and fixed axis (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200559660U CN201118351Y (en) | 2007-08-24 | 2007-08-24 | Shift bearing deceleration wheel hub electromotor for electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200559660U CN201118351Y (en) | 2007-08-24 | 2007-08-24 | Shift bearing deceleration wheel hub electromotor for electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118351Y true CN201118351Y (en) | 2008-09-17 |
Family
ID=39992941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200559660U Expired - Fee Related CN201118351Y (en) | 2007-08-24 | 2007-08-24 | Shift bearing deceleration wheel hub electromotor for electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118351Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300759A (en) * | 2015-05-20 | 2017-01-04 | 鸿富锦精密工业（深圳）有限公司 | Wheel hub motor and motor collecting part thereof |
| CN107364540A (en) * | 2017-08-11 | 2017-11-21 | 纳恩博（北京）科技有限公司 | Wheel hub, wheel and balance car |
| CN110350699A (en) * | 2019-07-15 | 2019-10-18 | 太仓市海谷五金机电设备有限公司 | A kind of variable speed energy conservation motor |
-
2007
- 2007-08-24 CN CNU2007200559660U patent/CN201118351Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300759A (en) * | 2015-05-20 | 2017-01-04 | 鸿富锦精密工业（深圳）有限公司 | Wheel hub motor and motor collecting part thereof |
| CN107364540A (en) * | 2017-08-11 | 2017-11-21 | 纳恩博（北京）科技有限公司 | Wheel hub, wheel and balance car |
| CN110350699A (en) * | 2019-07-15 | 2019-10-18 | 太仓市海谷五金机电设备有限公司 | A kind of variable speed energy conservation motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN ZHITONG SURVIVAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: DONGGUAN ZHITONG ELECTRICAL ENGINEERING CO., LTD. Effective date: 20121218 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121218 Address after: 523000 Guangdong province Dongguan city too No. 69 Building 2 room four Dongguan Zhitong lifesaving equipment Co. Ltd. Patentee after: Dongguan City Zhitong Survival Equipment Co., Ltd. Address before: 523000 Guangdong city of Dongguan province Dongguan Nancheng District Tai Road No. 75 Dongguan Zhitong Electrical Engineering Co Ltd Patentee before: Dongguan Zhitong Electrical Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20140824 |
|
| EXPY | Termination of patent right or utility model |