CN203522432U - Wheel hub motor - Google Patents
Wheel hub motor Download PDFInfo
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- CN203522432U CN203522432U CN201320637453.6U CN201320637453U CN203522432U CN 203522432 U CN203522432 U CN 203522432U CN 201320637453 U CN201320637453 U CN 201320637453U CN 203522432 U CN203522432 U CN 203522432U
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- input gear
- semiaxis
- wheel hub
- hub motor
- motor
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- 230000005540 biological transmission Effects 0.000 claims description 29
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008092 positive effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a wheel hub motor and belongs to the machinery technical field. With the wheel hub motor adopted, technical problems such as low assembly efficiency of an existing wheel hub motor can be solved. The wheel hub motor of the utility model comprises a wheel hub body with a hollow cavity; a fixing shaft penetrates the axis of the wheel hub body; a motor assembly and a speed changing box assembly are arranged inside the hollow cavity of the wheel hub body; the motor assembly comprises a motor rotor sleeved on the fixing shaft; the speed changing box assembly comprises an input gear sleeved on the fixing shaft; an input gear half shaft 1 and an input gear half shaft 2 are sleeved on the fixing shaft; the input gear half shaft 1 is located between the fixing shaft and the motor rotor and is connected with the motor rotor; the input gear half shaft 2 is engaged with the input gear; the input gear half shaft 1 is detachably connected with the input gear half shaft 2; and a connection assembly which makes the torque of the input gear half shaft 1 transferred to the input gear half shaft 2 is arranged between the input gear half shaft 1 and the input gear half shaft 2. The wheel hub motor of the utility model has the advantages of high assembly efficiency.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of wheel hub motor.
Background technology
New forms of energy car has become now automobile industry and has had much prospective field, and the Driving technique of new forms of energy vehicle and traditional combustion engine automobile have no small difference, and wherein have a class Driving technique to have very large development prospect, wheel hub motor technology that Here it is, wheel hub motor technology claims again wheel inner electric machine technology, its maximum feature is all incorporated into power, transmission and brake apparatus in wheel hub exactly, therefore the mechanical part of motor vehicle is simplified greatly.
In Chinese patent [201120268986.2], a kind of wheel hub electric motor of electric vehicle is disclosed, it has solved, and existing wheel hub electric motor of electric vehicle complex structure, versatility are poor, production cost high-technology problem, this wheel hub electric motor of electric vehicle, comprise rotor, stator, have the hub body of cavity and be located in the fixed axis that hub body axle center is located, rotor and stator are positioned at the cavity of hub body, on fixed axis, be arranged with input gear axle, one end of input gear axle is connected mutually with rotor, the other end of input gear axle is connected with hub body by speed change ordinary gear transmission group, input gear axle and speed change ordinary gear transmission group are all positioned at the cavity of hub body, have simple in structure, production cost is low, the advantages such as simplicity of design, but, when this wheel hub motor of assembling, need to be one by one by hub body, electric machine casing, rotor, stator, change-speed gearing assembly, brake assemblies etc. are set on fixed axis, because the parts of wheel hub motor own are more, and quality is larger, in manual assembly process, need repeatedly to overturn wheel hub motor, require great effort time-consuming, and debug after assembling, pinpoint the problems in the time of need to taking motor apart, very inconvenient especially, according to test, a skilled assembler can only assemble the motor of eight left and right within 10 man-hours, inefficient, high-intensity assembly process, increased the production cost of wheel hub motor, affect the development process of electric motor car.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, and a kind of wheel hub motor of being convenient to assembling is provided.
The purpose of this utility model can realize by following technical proposal: a kind of wheel hub motor, wheel hub motor comprises a hub body with cavity, the place, axle center of described hub body is equipped with a fixed axis, in the cavity of described hub body, be provided with motor assembly and transmission assembly, described motor assembly comprises a rotor being set on fixed axis, described transmission assembly comprises an output gear being set on fixed axis, it is characterized in that, on described fixed axis, be arranged with input gear semiaxis one and input gear semiaxis two, described input gear semiaxis one is between fixed axis and rotor and be connected with described rotor, described input gear semiaxis two is meshed with described input gear, described input gear semiaxis one and input gear semiaxis two removably connect, and between described input gear semiaxis one and input gear semiaxis two, being provided with one can make the moment of torsion of input gear semiaxis one be passed to the coupling assembling on input gear semiaxis two.
Operation principle of the present utility model is: input gear semiaxis one and input gear semiaxis two are axles to transmission assembly by the transmission of power of the motor assembly of wheel hub motor, it is set on fixed axis, the input gear semiaxis one of this wheel hub motor is connected by dismountable mode with input gear semiaxis two, when wheel hub motor is assembled, wheel hub motor is divided into two parts, be respectively motor assembly and transmission assembly, can to motor assembly and transmission assembly, assemble separately simultaneously, wherein motor assembly and fixed axis are assembled together, and by input gear semiaxis one, motor assembly is connected with fixed axis, transmission assembly is connected by input gear semiaxis two, after two general assemblies complete, input gear semiaxis two is connected with input gear semiaxis one, complete the assembling to wheel hub motor, this wheel hub motor is due to original input gear axle is made split type, be input gear semiaxis one and input gear semiaxis two, can to the motor assembly of wheel hub motor and transmission assembly, assemble separately simultaneously, then assemble, labour intensity in the time of can significantly reducing assembling, and while occurring doing over again, can optionally to motor assembly or transmission assembly, carry out dismounting, greatly improved efficiency of assembling, and there is positive effect for maintenance and the maintenance of wheel hub motor, after tested, compare with traditional wheel hub motor, efficiency of assembling can improve more than 30%.
In above-mentioned a kind of wheel hub motor, described coupling assembling comprise spline on several inwalls that are evenly arranged on input gear semiaxis one and be arranged on input gear semiaxis two outer walls and with spline spline one to one, described input gear semiaxis two is plugged in described input gear semiaxis one.When assembling, only input gear semiaxis two need to be inserted in input gear semiaxis one, by uniform spline and spline structure, moment of torsion transmission is between the two reliable, and the mass distribution of input gear semiaxis one and input gear semiaxis two is even, be conducive to the stability of wheel hub motor when operation.
In above-mentioned a kind of wheel hub motor, described coupling assembling comprise spline on several inwalls that are evenly arranged on input gear semiaxis one and be arranged on input gear semiaxis two outer walls and with spline spline one to one, described input gear semiaxis two is plugged in described input gear semiaxis one, described coupling assembling also comprises that two are radially arranged on projection on input gear semiaxis two outer walls and the location notch on two end faces that are arranged on input gear semiaxis one, and described projection is plugged in described location notch.By contrast, the bonding strength of the coupling assembling in this programme is higher, and stability is better.
In above-mentioned a kind of wheel hub motor, between described input gear semiaxis one and fixed axis, by bearing one, be connected, between described input gear semiaxis two and fixed axis, be provided with an axle sleeve.Input gear semiaxis one and input gear semiaxis two all rotate around fixed axis, and axle sleeve supports input gear semiaxis two, by lubricating oil, guarantee the smooth and easy of relative motion between the two.
In above-mentioned a kind of wheel hub motor, described transmission assembly comprises the gear teeth wheels that are arranged between input gear and hub body and the moment of torsion of input gear are passed to hub body.Gear teeth wheels are parts important in wheel hub motor, and it changes the moment of torsion of rotor and rotating speed into moment of torsion and rotating speed that hub body needs, to improve the power performance of electric motor car.
In above-mentioned a kind of wheel hub motor, the inner outer wall of described input gear semiaxis one is provided with a gear along one, and the inner face of described rotor and described gear lean along one outer face.When separately motor assembly is assembled, gear can improve assembly precision, the stability while improving rotor rotation along one.
In above-mentioned a kind of wheel hub motor, described wheel hub motor also comprises the gear box casing of described gear teeth wheels parcel, between described gear box casing and described input gear semiaxis two, by bearing two, be connected, described gear box casing is provided with a gear along two, and the outer face of described gear along two and the inner face of described bearing two lean.Gear is along two assembly precision and the bonding strengths that improved between gear box casing and input gear semiaxis two.
Compared with prior art, the utlity model has following advantage:
1, this wheel hub motor is due to original input gear axle is made split type, be input gear semiaxis one and input gear semiaxis two, can to the motor assembly of wheel hub motor and transmission assembly, assemble separately simultaneously, then assemble, labour intensity in the time of can significantly reducing assembling, improves efficiency of assembling.
2, when assembling, if there is doing over again, can optionally to motor assembly or transmission assembly, carry out dismounting, greatly improved efficiency of assembling, and there is positive effect for maintenance and the maintenance of wheel hub motor, after tested, compare with traditional wheel hub motor, efficiency of assembling can improve more than 30%.
Accompanying drawing explanation
Fig. 1 is the structural representation of this wheel hub motor.
Fig. 2 is the enlarged drawing of local A in Fig. 1.
Fig. 3 is the structural representation of coupling assembling in embodiment mono-.
Fig. 4 is the structural representation of coupling assembly in embodiment bis-.
In figure, 1, hub body; 2, fixed axis; 3a, motor assembly; 3, rotor; 4, coupling assembling; 41, spline; 42, spline; 43, projection; 44, location notch; 51, input gear semiaxis one; 52, input gear semiaxis two; 6a, transmission assembly; 6, input gear; 71, bearing one; 72, bearing two; 73, axle sleeve; 81, gear is along one; 82, gear is along two; 9, gear box casing; 91, gear teeth wheels.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment mono-:
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of wheel hub motor, wheel hub motor comprises a hub body 1 with cavity, the place, axle center of hub body 1 is equipped with a fixed axis 2, in the cavity of hub body 1, be provided with motor assembly 3a and transmission assembly 6a, motor assembly 3a comprises the rotor 3 being set on fixed axis 2, transmission assembly 6a comprises the output gear 6 being set on fixed axis 2, on fixed axis 2, be arranged with input gear semiaxis 1 and input gear semiaxis 2 52, input gear semiaxis 1 is between fixed axis 2 and rotor 3 and be connected with rotor 3, input gear semiaxis 2 52 with, input gear 6 is meshed, the coupling assembling 4 being passed on input gear semiaxis 2 52 by a moment of torsion that can make input gear semiaxis 1 between input gear semiaxis 1 and input gear semiaxis 2 52 is connected, coupling assembling 4 comprise spline on several inwalls that are evenly arranged on input gear semiaxis 1 42 and be arranged on input gear semiaxis 2 52 outer walls and with spline 42 spline 41 one to one, input gear semiaxis 2 52 is plugged in input gear semiaxis 1.When assembling, only input gear semiaxis 2 52 need to be inserted in input gear semiaxis 1, by uniform spline 41 and spline 42 structures, moment of torsion transmission is between the two reliable, and the mass distribution of input gear semiaxis 1 and input gear semiaxis 2 52 is even, be conducive to the stability of wheel hub motor when operation.
As shown in Figures 2 and 3, between input gear semiaxis 1 and fixed axis 2, by bearing 1, be connected, between input gear semiaxis 2 52 and fixed axis 2, be provided with an axle sleeve 73, input gear semiaxis 1 and input gear semiaxis 2 52 are all around fixed axis 2 rotations, 73 pairs of input gear semiaxis 2 52 of axle sleeve support, by lubricating oil, guarantee the smooth and easy of relative motion between the two, transmission assembly 6a also comprises the gear teeth wheels 91 that are arranged between input gear 6 and hub body 1 and the moment of torsion of input gear 6 are passed to hub body 1.Gear teeth wheels 91 are parts important in wheel hub motor, and it changes the moment of torsion of rotor 3 and rotating speed into moment of torsion and rotating speed that hub body 1 needs, to improve the power performance of electric motor car.
As shown in Figure 2, the inner outer wall of input gear semiaxis 1 is provided with a gear along 1, the inner face of rotor 3 leans with the outer face keeping off along 1, when separately motor assembly 3a is assembled, gear can improve assembly precision along 1, stability while improving rotor 3 rotation, wheel hub motor also comprises the gear box casing 9 of gear teeth wheels 91 parcels, between gear box casing 9 and input gear semiaxis 2 52, by bearing 2 72, be connected, gear box casing 9 is provided with a gear along 2 82, the outer face of gear along 2 82 and the inner face of bearing 2 72 lean, gear is along 2 82 assembly precision and the bonding strengths that improved between gear box casing 9 and input gear semiaxis 2 52.
Operation principle of the present utility model is: the input gear semiaxis 1 of this wheel hub motor is connected by dismountable mode with input gear semiaxis 2 52, when wheel hub motor is assembled, wheel hub motor is divided into two parts, be respectively motor assembly 3a and transmission assembly 6a, can to motor assembly 3a and transmission assembly 6a, assemble separately simultaneously, wherein motor assembly 3a and fixed axis 2 are assembled together, and by input gear semiaxis 1, motor assembly 3a is connected with fixed axis 2, transmission assembly 6a is connected by input gear semiaxis 2 52, after two general assemblies complete, input gear semiaxis 2 52 is connected with input gear 1, complete the assembling to wheel hub motor, this wheel hub motor is due to original input gear 6 axles are made split type, be input gear semiaxis 1 and input gear semiaxis 2 52, can to the motor assembly 3a of wheel hub motor and transmission assembly 6a, assemble separately simultaneously, then assemble, labour intensity in the time of can significantly reducing assembling, and while occurring doing over again, can optionally to motor assembly 3a or transmission assembly 6a, carry out dismounting, greatly improved efficiency of assembling, and there is positive effect for maintenance and the maintenance of wheel hub motor, after tested, compare with traditional wheel hub motor, efficiency of assembling can improve more than 30%.
Embodiment bis-:
As shown in Figure 4, the content of the present embodiment is roughly identical with embodiment mono-, difference is: coupling assembling 4 comprise spline on several inwalls that are evenly arranged on input gear semiaxis 1 42 and be arranged on input gear semiaxis 2 52 outer walls and with spline 42 spline 41 one to one, input gear semiaxis 2 52 is plugged in input gear semiaxis 1, coupling assembling 4 also comprises that two are radially arranged on projection 43 on input gear semiaxis 2 52 outer walls and the location notch 44 on two end faces that are arranged on input gear semiaxis 1, projection 43 is plugged in location notch 44, by contrast, the bonding strength of the coupling assembling 4 in this programme is higher, stability is better.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (7)
1. a wheel hub motor, wheel hub motor comprises a hub body (1) with cavity, the place, axle center of described hub body (1) is equipped with a fixed axis (2), in the cavity of described hub body (1), be provided with motor assembly (3a) and transmission assembly (6a), described motor assembly (3a) comprises a rotor (3) being set on fixed axis (2), described transmission assembly (6a) comprises an output gear (6) being set on fixed axis (2), it is characterized in that, on described fixed axis (2), be also arranged with input gear semiaxis one (51) and input gear semiaxis two (52), described input gear semiaxis one (51) is positioned between fixed axis (2) and rotor (3) and is connected with described rotor (3), described input gear semiaxis two (52) is meshed with described input gear (6), described input gear semiaxis one (51) and input gear semiaxis two (52) removably connect, and between described input gear semiaxis one (51) and input gear semiaxis two (52), being provided with one can make the moment of torsion of input gear semiaxis one (51) be passed to the coupling assembling (4) on input gear semiaxis two (52).
2. wheel hub motor according to claim 1, it is characterized in that, described coupling assembling (4) comprise the spline (42) on several inwalls that are evenly arranged on input gear semiaxis one (51) and be arranged on input gear semiaxis two (52) outer walls and with spline (42) spline (41) one to one, described input gear semiaxis two (52) is plugged in described input gear semiaxis one (51).
3. wheel hub motor according to claim 1, it is characterized in that, described coupling assembling (4) comprise the spline (42) on several inwalls that are evenly arranged on input gear semiaxis one (51) and be arranged on input gear semiaxis two (52) outer walls and with spline (42) spline (41) one to one, described input gear semiaxis two (52) is plugged in described input gear semiaxis one (51), described coupling assembling (4) also comprises that two are radially arranged on projection (43) on input gear semiaxis two (52) outer walls and the location notch (44) on two end faces that are arranged on input gear semiaxis one (51), described projection (43) is plugged in described location notch (44).
4. according to the wheel hub motor described in claim 1 or 2 or 3, it is characterized in that, between described input gear semiaxis one (51) and fixed axis (2), by bearing one (71), be connected, between described input gear semiaxis two (52) and fixed axis (2), be provided with an axle sleeve (73).
5. according to the wheel hub motor described in claim 1 or 2 or 3, it is characterized in that, described transmission assembly (6a) also comprises the gear teeth wheels (91) that are arranged between input gear (6) and hub body (1) and the moment of torsion of input gear (6) are passed to hub body (1).
6. according to the wheel hub motor described in claim 1 or 2 or 3, it is characterized in that, the inner outer wall of described input gear semiaxis one (51) is provided with a gear along one (81), and the inner face of described rotor (3) and described gear lean along one (81) outer face.
7. wheel hub motor according to claim 5, it is characterized in that, described wheel hub motor also comprises the gear box casing (9) of described gear teeth wheels (91) parcel, between described gear box casing (9) and described input gear semiaxis two (52), by bearing two (72), be connected, described gear box casing (9) is provided with a gear along two (82), and the outer face of described gear along two (82) and the inner face of described bearing two (72) lean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320637453.6U CN203522432U (en) | 2013-10-15 | 2013-10-15 | Wheel hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320637453.6U CN203522432U (en) | 2013-10-15 | 2013-10-15 | Wheel hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522432U true CN203522432U (en) | 2014-04-02 |
Family
ID=50381306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320637453.6U Expired - Fee Related CN203522432U (en) | 2013-10-15 | 2013-10-15 | Wheel hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522432U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811644A (en) * | 2016-03-10 | 2016-07-27 | 南京高传机电自动控制设备有限公司 | Insulating transmission shaft for connecting with motor and gear case |
| CN106763298A (en) * | 2017-03-10 | 2017-05-31 | 李燊 | Centrifugal clutch and the gear-shifting wheel hub motor with the centrifugal clutch |
-
2013
- 2013-10-15 CN CN201320637453.6U patent/CN203522432U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811644A (en) * | 2016-03-10 | 2016-07-27 | 南京高传机电自动控制设备有限公司 | Insulating transmission shaft for connecting with motor and gear case |
| CN105811644B (en) * | 2016-03-10 | 2019-01-29 | 南京高传机电自动控制设备有限公司 | A kind of insulated transmission axis that motor is connect with gear-box |
| CN106763298A (en) * | 2017-03-10 | 2017-05-31 | 李燊 | Centrifugal clutch and the gear-shifting wheel hub motor with the centrifugal clutch |
| CN106763298B (en) * | 2017-03-10 | 2018-12-28 | 蒋先正 | centrifugal clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140402 |