CN207565329U - A kind of electric vehicle integral type power assembly - Google Patents
A kind of electric vehicle integral type power assembly Download PDFInfo
- Publication number
- CN207565329U CN207565329U CN201721767723.XU CN201721767723U CN207565329U CN 207565329 U CN207565329 U CN 207565329U CN 201721767723 U CN201721767723 U CN 201721767723U CN 207565329 U CN207565329 U CN 207565329U
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- China
- Prior art keywords
- gear
- axle shaft
- motor
- differential mechanism
- planetary gear
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Abstract
The utility model discloses a kind of electric vehicle integral type power assembly, including motor, retarder, intermediate support, differential mechanism；Motor shaft one end of the motor is spiral bevel gear, is engaged as retarder input terminal with the driven spiral bevel gear of retarder；The driven spiral bevel gear is connected by screw bolts with differential mechanism shell and is integrally formed, and operates simultaneously；The intermediate support left end is fixed with bolts on motor housing, supporting rack of the right end as differential mechanism；The differential mechanism is fixed with bolts on intermediate support；The utility model largely simplifies the structure of existing power assembly of electric automobile, reduce procedure of processing, save raw material, it is easily installed and repairs, cost is reduced, reduces power assembly of electric automobile volume, saves space, the arrangement space of bigger is reserved for on-vehicle battery, improves the dynamic property and economy of electric vehicle.
Description
Technical field
The present invention relates to a kind of power assembly, more particularly to a kind of electric vehicle integral type power assembly.
Background technology
Compared to more traditional fuel-engined vehicle, electric vehicle has the following advantages：" zero " pollutes, and saves money, and noise is small, energy saving,
It is simple in structure, it is easy to maintain, accelerate fast.The pure electric automobile necessarily future developing trend of " zero " pollution, and electric vehicle
Core is power assembly.
Application for a patent for invention application No. is 201210089868.4 discloses a kind of power assembly used for electric vehicle, knot
Structure is as follows：Including gear box, differential casing is connected with by 5th bearing in gear box, in differential casing
Differential part is inside installed, differential part is connected with the left half axle stretched out to the left and the right axle shaft stretched out to the right, in gearbox
It is fixedly connected with driving motor on the side cover of babinet, the armature spindle of driving motor in a tubular form and is sleeved on the outside of the semiaxis of the side,
Transmission mechanism is equipped between armature spindle and differential casing；The end machining of wherein armature spindle has armature spindle internal tooth, the first external tooth
It is sleeved on the outside of semiaxis, one end of the first external tooth cover is meshed with the armature spindle internal tooth, outside the middle part of the first external tooth cover
Side is set with internal tooth connector sleeve by interference fit type, and third axis is equipped between internal tooth connector sleeve and gear box side cover
It holds, the other end of the first external tooth cover is meshed with the tooth on drive gear excircle, and the endoporus of drive gear has internal tooth and coordinates
Be sleeved on one end of the second external tooth cover, the second external tooth cover is sleeved in support shaft, one end of support shaft and the side cover of gearbox it
Between be fixedly connected, the other end of the second external tooth cover is meshed with the right internal tooth of ring gear side, the opposite side of ring gear with it is described
Differential casing be connected.
The set power assembly of electric automobile has the following disadvantages：Complicated, part is various, has to the processing and manufacturing of part
Very high required precision, installation difficulty is big, is not easy to repair in the future, easy to wear, complicated mechanism between part, machinery effect
Rate is low, will certainly cause expensive, is unfavorable for the universal of electric vehicle.
Invention content
The invention discloses a kind of simple in structure, part is less, and mechanical efficiency is high, and processing and manufacturing is easier, installation letter
It is single, it is easy to maintenance, it is small, save raw material, electric vehicle integral type power assembly at low cost.
The present invention realizes by the following technical solutions：
A kind of electric vehicle integral type power assembly, including motor, retarder, intermediate support, differential mechanism；The electricity
Motivation part plays a part of to provide power, and the retarder plays deceleration torque, and the intermediate support plays support and connects
The effect of motor and differential mechanism is connect, the differential mechanism plays differential；Motor stator magnet is nested on motor housing, electricity
Machine rotor winding is nested on motor shaft；One group of taper roll bearing, bearing spacing ring are nested at motor housing bottom centre
Circular boss in；Motor shaft left end is nested in this group of taper roll bearing, bearing spacing ring；Another set taper roller
Bearing, bearing spacing ring are nested in the circular boss at intermediate supports set bottom centre, and motor shaft right end is nested in the group
In taper roll bearing, bearing spacing ring；Intermediate supports set is fixed with bolts on motor housing；Motor shaft right end is
Spiral bevel gear, motor shaft right end put on reserved motor axis hole across intermediate supports, are then engaged with driven spiral bevel gear,
Play deceleration torque；Bearing cap is connected by screw bolts with intermediate supports set, and bearing cap is fixed on intermediate supports puts on；Subtract
Fast device driven spiral bevel gear is connected by screw bolts with differential mechanism shell, makes retarder driven spiral bevel gear and differential mechanism simultaneously
Operating；Planetary gear bottom is in direct contact with planet gear pad, and planet gear pad is in direct contact with differential mechanism shell, and row
Star gear is horizontally oriented；Axle shaft gear bottom is contacted with axle shaft gear gasket, and axle shaft gear gasket connects with differential mechanism shell
It touches, and axle shaft gear is in vertical direction；Axle shaft gear gasket, planetary gear gasket can prevent gear and differential mechanism shell direct
It wears, extends its service life；The axis of axle shaft gear is nested in taper roll bearing, there is interior flower at axle shaft gear center
Key connect convenient for this set assembly with automobile axle shaft；
As an optimization, the motor shaft right end is spiral bevel gear, and as retarder input terminal, an axis is dual-purpose, Ke Yijian
Change structure, make more compact structure, save raw material, reduce cost；
As an optimization, at the motor casing bottom centre, at intermediate supports set left end bottom centre respectively there are one
Circular boss, for placing taper roll bearing, bearing spacing ring；It can be occurred using bearing spacing ring to avoid bearing axial
Upper play can reduce the abrasion of motor shaft and motor housing and intermediate supports set using taper roll bearing, and extending motor makes
Use the service life；
As an optimization, there are planet gear pad, axle shaft gear gasket in the differential mechanism, prevent planetary gear, half axle gear
With differential mechanism shell abrasion directly occurs for wheel, so as to extend differential mechanism service life；
As an optimization, there is the boss of semi-annular shape on intermediate supports set and bearing cap, the two is used cooperatively, can be to prevent
Only the play in axial direction occurs for axle shaft gear, and has no need to install bearing (ball) cover, it is possible to reduce processing and installation step；
As an optimization, intermediate supports set support is equipped with, and pass through three groups of hex bolts among the motor and differential mechanism, six
Angle nut is fixed, and can improve the stability of this set assembly structure.
The beneficial effects of the invention are as follows：The present invention largely simplifies the structure of existing power assembly of electric automobile,
Reduce procedure of processing, save raw material, be easily installed and repair, reduce cost, reduce power assembly of electric automobile volume,
Space is saved, the arrangement space of bigger is reserved for on-vehicle battery, improves the dynamic property and economy of electric vehicle.
Description of the drawings
Fig. 1 is the overall diagram of the present invention.
Fig. 2 is the sectional view of the present invention.
Fig. 3 is the outside drawing of intermediate supports set of the present invention.
Fig. 4 is the sectional view of intermediate supports set of the present invention.
Fig. 5 is the outside drawing of motor shaft of the present invention.
Fig. 6 is the sectional view of axle shaft gear of the present invention.
Specific embodiment
With reference to Fig. 1,2,3,4,5,6, embodiment of the present invention is described in detail：A kind of electric vehicle one
Formula power assembly, it is mainly by motor 1, differential mechanism 2, intermediate support 3, and differential mechanism 4 forms.It is characterized in that：Motor is determined
Sub- magnet 1-4 is nested on motor housing 1-1, and rotor winding 1-5 is nested on motor shaft 2-1；Taper roll bearing 1-
2, bearing spacing ring 1-3 are nested in the circular boss at motor housing 1-1 bottom centre, and motor shaft 2-1 left ends are embedding simultaneously
It is sleeved in taper roll bearing 1-2 and bearing spacing ring 1-3；Bearing spacing ring 3-1, taper roll bearing 3-2 are nested in centre
In circular boss at supporting sleeve 3-3 bottom centre, motor shaft 2-1 right ends are nested in bearing spacing ring 3-1 and circular cone simultaneously
In roller bearing 3-2；Intermediate supports set 3-3 is fixed with bolts on motor housing 1-1；Motor shaft 2-1 right ends are arc
Bevel gear, motor shaft 2-1 right ends pass through intermediate supports set 3-3 on reserve motor hole, then with driven spiral bevel gear 2-2
Engagement；Taper roll bearing 3-4, taper roll bearing 3-7 are nested on intermediate supports set 3-3 right parts；Bearing cap 3-5 with
Intermediate supports set 3-3 is connected by screw bolts；Retarder driven spiral bevel gear 2-2 is fixed with bolts in differential mechanism shell
On 4-3；Planetary gear 4-4 bottoms are in direct contact with planetary gear gasket 4-5, planetary gear 4-10 bottoms and planetary gear gasket 4-9
It is in direct contact, planet tooth gasket 4-5 and planet gear pad 4-9 are in direct contact with differential mechanism shell 4-3, and two groups of planet teeth
Wheel is horizontally oriented；Axle shaft gear 4-1 bottoms are in direct contact with axle shaft gear gasket 4-2, axle shaft gear 4-11 bottoms and half
Shaft gear gasket 4-12 is in direct contact, and axle shaft gear gasket 4-2 and axle shaft gear gasket 4-12 is straight with differential mechanism shell 4-2
Contact, and axle shaft gear 4-1 and axle shaft gear 4-11 are in vertical direction；Axle shaft gear 4-1 simultaneously with planetary gear 4-4
It is engaged with planetary gear 4-10, axle shaft gear 4-11 is engaged simultaneously with planetary gear 4-4 and planetary gear 4-10；Planetary gear shaft
4-6 is nested in differential mechanism shell 4-3, and planetary gear 4-4 and planetary gear 4-10 are nested on planetary gear shaft 4-6；Row
Pin hole on star gear pin 4-8 and planetary gear shaft 4-6 uses pin connection；The axis of axle shaft gear 4-1 is nested in taper roller axis
It holds in 3-4, the axis of axle shaft gear 4-11 is nested in taper roll bearing 3-7.
Wherein, motor shaft 2-1 is both the shaft of motor 1 and the input shaft of retarder 2, and motor shaft 2-1 right ends are arc
Bevel gear, an axis is dual-purpose, saves raw material, reduces procedure of processing.
Wherein, hex bolts 1-6, hex nut 1-7 have four groups, and on motor housing 1-1 and intermediate supports set 3-3
There are four with above-mentioned mating threaded hole, and this four threaded holes are uniformly distributed；It will with hex bolts 1-6, hex nut 1-7
Motor housing 1-1 and intermediate supports set 3-3 are connected as one, and improve the stability of this set assembly structure.
Wherein, the tapped through hole of 12 is evenly distributed on differential mechanism shell 4-3, this set assembly and vapour can be facilitated
Chinese herbaceous peony, rear axle connection.
Wherein, taper roll bearing 1-2, taper roll bearing 3-2 must reverse-fitting, the taper roll bearing on differential mechanism
3-4, taper roll bearing 3-7 must also use reverse-fitting, to offset the axial force of bearing.
Wherein, two bearings spacing ring 1-3 and 3-1 are installed, taper roll bearing 1-2 and 3-2 can be prevented in the axial direction
Play occurs, while plays the role of bearing positioning.
Wherein, motor housing 1-1, intermediate supports set 3-3, differential mechanism shell 4-3 using casting, after demoulding to outer surface into
Row grinding is handled, and can reduce surface roughness.
Wherein, planet gear pad 4-5 in differential mechanism, planet gear pad 4-9, axle shaft gear gasket 4-1, axle shaft gear
Gasket 4-2 is made of the good rubber material of wearability, prevents planetary gear 4-4, planetary gear 4-10, axle shaft gear 4-1,
Abrasion directly occurs for axle shaft gear 4-11 and differential mechanism shell 4-3, so as to extend 4 service life of differential mechanism.
Wherein, axle shaft gear 4-1, axle shaft gear 4-11 have internal spline at center, can be in order to half axis connection with automobile.
Wherein, eight tapped through holes are evenly distributed on differential mechanism shell 4-3, can in order to this set assembly and automobile
Forward and backward bridging connects.
Claims (7)
1. a kind of electric vehicle integral type power assembly, it is characterised in that：A kind of electric vehicle integral type power assembly packet
Include motor (1), retarder (2), intermediate support (3), differential mechanism (4)；The motor (1) and intermediate support (3), institute
Retarder (2) and differential mechanism (4) are stated, the intermediate support (3) is connected by screw bolts with differential mechanism (4).
2. a kind of electric vehicle integral type power assembly according to claim 1, it is characterised in that：The motor
(1) including motor housing (1-1), taper roll bearing (1-2), bearing spacing ring (1-3), motor stator magnet (1-4), motor
Rotor windings (1-5), hex bolts (1-6), hex nut (1-7)；Motor stator magnet (1-4) is nested in motor housing (1-
1) on inner wall；Taper roll bearing (1-2), bearing spacing ring (1-3) are nested in the annulus at motor housing (1-1) bottom centre
In shape boss；Motor shaft (2-1) left end is nested in simultaneously in taper roll bearing (1-2) and bearing spacing ring (1-3)；Motor turns
Sub- winding (1-5) is nested on motor shaft (2-1)；Motor housing (1-1) is connected by screw bolts with intermediate supports set (3-3).
3. a kind of electric vehicle integral type power assembly according to claim 1, it is characterised in that：The retarder
(2) including motor shaft (2-1), driven spiral bevel gear (2-2)；Motor shaft (2-1) right end be spiral bevel gear, motor shaft (2-
1) right end passes through the motor axis hole reserved on intermediate supports set (3-3), is engaged with driven spiral bevel gear (2-2).
4. a kind of electric vehicle integral type power assembly according to claim 1, it is characterised in that：The intermediate supports
Body (3) includes bearing spacing ring (3-1), taper roll bearing (3-2), intermediate supports set (3-3), taper roll bearing (3-4),
Bearing cap (3-5), hex bolts (3-6), taper roll bearing (3-7)；Bearing spacing ring (3-1), taper roll bearing (3-2)
It is nested in the circular boss at intermediate supports set (3-3) bottom centre；Taper roll bearing (3-4) and taper roll bearing
(3-7) is respectively nested on intermediate supports set (3-3) in the groove at both ends；Bearing cap (3-5) is used with intermediate supports set (3-3)
It is bolted.
5. a kind of electric vehicle integral type power assembly according to claim 1, it is characterised in that：The differential mechanism
(4) including axle shaft gear (4-1), axle shaft gear gasket (4-2), differential mechanism shell (4-3), planetary gear (4-4), planetary gear
Gasket (4-5), planetary gear shaft (4-6), hex bolts (4-7), planetary gear pin (4-8), planetary gear gasket (4-9), row
Star gear (4-10), axle shaft gear (4-11), axle shaft gear gasket (4-12)；Retarder driven spiral bevel gear (2-2) with it is poor
Fast device shell (4-3) is connected by screw bolts；Planetary gear (4-4) bottom is in direct contact with planet gear pad (4-5), planet tooth
Wheel (4-10) bottom is in direct contact with planet gear pad (4-9), planet gear pad (4-5) and planet gear pad (4-9)
It is all in direct contact with differential mechanism shell (4-3), and planetary gear (4-4) and planetary gear (4-10) are horizontally oriented；Semiaxis
Gear (4-1) bottom is in direct contact with axle shaft gear gasket (4-2), axle shaft gear (4-11) bottom and axle shaft gear gasket (4-
12) it being in direct contact, axle shaft gear gasket (4-2) and axle shaft gear gasket (4-12) are in direct contact with differential mechanism shell (4-3), and
Axle shaft gear (4-1) and axle shaft gear (4-11) are in vertical direction；Axle shaft gear (4-1) at the same with planetary gear (4-4) and
Planetary gear (4-10) engages, and axle shaft gear (4-11) while is engaged with planetary gear (4-4) and planetary gear (4-10)；Row
Star gear shaft (4-6) is nested in differential mechanism shell (4-3), and planetary gear (4-4) and planetary gear 4-10 are nested in planet
On gear shaft (4-6)；Planetary gear pin (4-8) forms pin connection with the pin hole in planetary gear shaft (4-6)；Axle shaft gear (4-
1) axis is nested in taper roll bearing (3-4), and the axis of axle shaft gear (4-11) is nested in taper roll bearing (3-7)；
There is internal spline at axle shaft gear (4-1) and axle shaft gear (4-11) center, connect convenient for this set assembly with automobile axle shaft.
6. a kind of electric vehicle integral type power assembly according to claim 1, it is characterised in that:Planet gear pad
(4-5) and planet gear pad (4-9) are respectively at left end and right end in differential mechanism (4)；Axle shaft gear gasket (4-2)
The top and bottom in differential mechanism (4) are respectively at axle shaft gear gasket (4-12).
7. a kind of electric vehicle integral type power assembly according to claim 1, it is characterised in that：Intermediate supports set (3-
3) with there is semi-circular recesses on bearing cap (3-5), the two, which is bolted, forms a circular groove, taper roll bearing
(3-4), taper roll bearing (3-7) are nested in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721767723.XU CN207565329U (en) | 2017-12-18 | 2017-12-18 | A kind of electric vehicle integral type power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721767723.XU CN207565329U (en) | 2017-12-18 | 2017-12-18 | A kind of electric vehicle integral type power assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207565329U true CN207565329U (en) | 2018-07-03 |
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ID=62688311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721767723.XU Expired - Fee Related CN207565329U (en) | 2017-12-18 | 2017-12-18 | A kind of electric vehicle integral type power assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207565329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108001217A (en) * | 2017-12-18 | 2018-05-08 | 长春工业大学 | A kind of electric automobile integral type power assembly |
-
2017
- 2017-12-18 CN CN201721767723.XU patent/CN207565329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108001217A (en) * | 2017-12-18 | 2018-05-08 | 长春工业大学 | A kind of electric automobile integral type power assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180703 Termination date: 20181218 |