CN207442630U - A kind of wheel hub motor of built-in retarder - Google Patents
A kind of wheel hub motor of built-in retarder Download PDFInfo
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- CN207442630U CN207442630U CN201721490634.5U CN201721490634U CN207442630U CN 207442630 U CN207442630 U CN 207442630U CN 201721490634 U CN201721490634 U CN 201721490634U CN 207442630 U CN207442630 U CN 207442630U
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- wheel hub
- built
- central shaft
- hub motor
- bearing
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Abstract
The utility model is related to wheel hub motors, specifically a kind of wheel hub motor of built-in retarder, including central shaft, the central shaft is built-in with wire guide, it is provided with to provide the power set of driving force on the central shaft, the deceleration device of increase driving moment is combined on the power set, the hub unit for being used to support load is provided between power set and deceleration device, the utility model by built-in retarder slow down realize increase driving moment function, avoid low speed operation under low back-emf, high power consumption the phenomenon that；Low-power machine can be used to provide the function of large driving force square, enhance the climbing capacity of wheel hub motor, improve the efficiency of wheel hub motor.
Description
Technical field
The utility model is related to wheel hub motors, are specifically a kind of wheel hub motor of built-in retarder.
Background technology
In-wheel motor driving system is a kind of brand-new drive form, has apparent advantage, it has also become electronic traffic work
Have an important directions of development, but it is to be solved wherein to also have some problems to have, due to the influence and limitation of permanent-magnet material technique,
So that the power of permanent-magnet brushless DC electric machine is smaller, such as in low speed, back-emf is too low, and power consumption is larger；The magnet steel needed is more,
Cause motor cost height, climbing capacity is poor, electric efficiency is low.
The content of the invention
To solve the above-mentioned problems, the utility model proposes a kind of wheel hub motors of built-in retarder.
A kind of wheel hub motor of built-in retarder, including central shaft, the central shaft is built-in with wire guide, in described
It is provided with to provide the power set of driving force in mandrel, the deceleration of increase driving moment is combined on the power set
Device is provided with the hub unit for being used to support load between power set and deceleration device.
The power set include and the stator bracket of central shaft interference fit, the stator electricity being assemblied in stator bracket
Pivot, the winding coil being wound on stator armature are additionally provided with rotor in the stator armature, and the rotor is built-in with rotor
Magnet steel.
Air gap is left between the rotor magnetic steel and stator armature.
The deceleration device includes gear ring, passes through several planetary gears of interior tooth engagement, several rows with gear ring
Engagement is provided with fixing device there are one sun gear gear on the planetary gear on star gear.
The fixing device is interference fitted including the planetary gear shaft being arranged in planetary gear and planetary gear shaft
Left lateral carrier and right lateral carrier, the left lateral carrier and right lateral carrier are assemblied in central shaft by bearing.
Matched somebody with somebody respectively by the first deep groove ball bearing, the second deep groove ball bearing between the planetary gear shaft and planetary gear
It closes.
It is provided on first deep groove ball bearing, the second deep groove ball bearing for fixed sleeve, the sleeve
On be provided with clutch shaft bearing baffle ring, second bearing baffle ring.
Key is provided between the sun gear gear and central shaft radial direction, the sun gear gear is axial with central shaft
Between be provided with axial sleeve.
The hub unit includes wheel rim, the wheel hub end housing that is connected with wheel rim, the wheel hub end housing by bearing and
Center axis connection.
The bearing is front cone roller bearing and rear taper roll bearing, be provided on the bearing left end cap and
Right end cap is respectively arranged with left sealing ring and right sealing ring between the left end cap and right end cap and central shaft.
The beneficial effects of the utility model are：The utility model is slowed down by built-in retarder realizes increase driving moment
Function, avoid low speed operation under low back-emf, high power consumption the phenomenon that；Low-power machine can be used to provide large driving force square
Function enhances the climbing capacity of wheel hub motor, improves the efficiency of wheel hub motor.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the main structure diagram of the utility model；
Fig. 2 is the deceleration device dimensional structure diagram of the utility model；
Fig. 3 is the stator armature dimensional structure diagram of the utility model；
Fig. 4 is the gear ring dimensional structure diagram of the utility model；
Fig. 5 is the end ring dimensional structure diagram of the utility model；
Fig. 6 is the central shaft dimensional structure diagram of the utility model；
Fig. 7 is the planet carrier dimensional structure diagram of the utility model；
Fig. 8 is the rotor dimensional structure diagram of the utility model；
Fig. 9 is the stator bracket dimensional structure diagram of the utility model；
Figure 10 is the wheel hub dimensional structure diagram of the utility model；
Figure 11 is the wheel hub end housing dimensional structure diagram of the utility model.
Specific embodiment
In order to which the technical means, creative features, achievable purpose and effectiveness for realizing the utility model are easy to understand, under
It is expanded on further in face of the utility model.
As shown in Figure 1 to 11, a kind of wheel hub motor of built-in retarder, including central shaft 1, in the central shaft 1
Wire guide 22 is equipped with, is provided with to provide the power set of driving force on the central shaft 1, match somebody with somebody on the power set
Closing has the deceleration device of increase driving moment, and the wheel hub dress for being used to support load is provided between power set and deceleration device
It puts.
The power set include the stator bracket 18 being interference fitted with central shaft 1, are assemblied in stator bracket 18
Stator armature 15, the winding coil 17 being wound on stator armature 15 are additionally provided with rotor 32 in the stator armature 15, described
Rotor 32 be built-in with rotor magnetic steel 14.
Air gap is left between the rotor magnetic steel 14 and stator armature 15.
The deceleration device includes gear ring 35, several planetary gears 11 with gear ring 35 by interior tooth engagement, described
Engagement is provided with fixing device there are one sun gear gear 38 on the planetary gear 11 on several planetary gears 11.
The gear ring 35 is fixedly connected by the first sunk screw 10, the second sunk screw 34 with rotor 32.
The fixing device includes the planetary gear shaft 16 being arranged in planetary gear 11 and 16 mistake of planetary gear shaft
It is full of the left lateral carrier 36 of cooperation and right lateral carrier 30, the left lateral carrier 36 and right lateral carrier 30 are assemblied in center by bearing
On axis 1.
The left lateral carrier 36 and right lateral carrier 30 is assembled by the 3rd deep groove ball bearing 6, the 4th deep groove ball bearing 27
On central shaft 1.
The left lateral carrier 36 is connected by the 3rd sunk screw 37 with wheel rim 33.
Pass through the first deep groove ball bearing 8, the second deep-groove ball between the planetary gear shaft 16 and planetary gear 11 respectively
Bearing 41 coordinates.
It is provided on first deep groove ball bearing 8, the second deep groove ball bearing 41 for fixed sleeve 9, it is described
Clutch shaft bearing baffle ring 7, second bearing baffle ring 12 are provided on sleeve 9.
Key 40 is provided between 1 radial direction of sun gear gear 38 and central shaft, the sun gear gear 38 is in
Axial sleeve 28 is provided between 1 axial direction of mandrel.
The wheel hub end housing 29 that the hub unit includes wheel rim 33, is connected with wheel rim 33, the wheel hub end housing 29 are logical
Bearing is crossed to be connected with central shaft 1.
The wheel rim 33 is detachable, and detachable 13 He of the first screw of itself is provided on the wheel rim 33
Second screw 31.
It is provided at the outer projection of the wheel rim 33 for fixed 3rd screw 39.
The bearing is front cone roller bearing 23 and rear taper roll bearing 5, and left end is provided on the bearing
Lid 4 and right end cap 20 are respectively arranged with left sealing ring 2 and right sealing between the left end cap 4 and right end cap 20 and central shaft 1
Circle 21.
The fixes sleeve 25 for secure fit, the fixes sleeve are provided on the front cone roller bearing 23
3rd bearing baffle ring 26 is provided on 25.
The right end cap 20 is connected by screw B19, screw C24 with wheel rim 33, and the left end cap 4 passes through screw A3
Connection is connected with wheel rim 33.
The application method of the utility model：First, coil windings 17 are powered, and rotor magnetic steel 14 rotates, and rotor 32 is driven to make
Rotary motion, rotor 32 drive gear ring 35 to rotate；Gear ring 35 is engaged by internal tooth with planetary gear 11, drives planet tooth
Wheel 11 rotates；Planetary gear 11 is engaged by the gear teeth with sun gear 38, makees revolution motion around sun gear 38；Planet tooth
Wheel 11 around sun gear 38 make revolution motion while drive right lateral carrier 30,36 rotary motion of left lateral carrier；Left lateral carrier 36
Wheel rim 33 is driven to rotate, so as to fulfill movement.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply the utility model principle, on the premise of not departing from the spirit and scope of the utility model, the utility model also has
Various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The requires of the utility model
Protection domain is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of wheel hub motor of built-in retarder, it is characterised in that：Including central shaft (1), the central shaft (1) is built-in with
Wire guide (22) is provided with to provide the power set of driving force on the central shaft (1), match somebody with somebody on the power set
Closing has the deceleration device of increase driving moment, and the wheel hub dress for being used to support load is provided between power set and deceleration device
It puts.
2. a kind of wheel hub motor of built-in retarder according to claim 1, it is characterised in that：The power set bag
The stator bracket (18) being interference fitted with central shaft (1), the stator armature (15) being assemblied in stator bracket (18) are included, is wound on and determines
Winding coil (17) on sub- armature (15), the stator armature (15) is interior to be additionally provided with rotor (32), the rotor
(32) it is built-in with rotor magnetic steel (14).
3. a kind of wheel hub motor of built-in retarder according to claim 2, it is characterised in that：The rotor magnetic steel
(14) air gap is left between stator armature (15).
4. a kind of wheel hub motor of built-in retarder according to claim 1, it is characterised in that：The deceleration device bag
Include gear ring (35), with gear ring (35) by several planetary gears (11) of interior tooth engagement, on several planetary gears (11)
It engages there are one sun gear gear (38), the planetary gear to be provided with fixing device on (11).
5. a kind of wheel hub motor of built-in retarder according to claim 4, it is characterised in that：The fixing device bag
Include the planetary gear shaft (16) being arranged in planetary gear (11), the left lateral carrier (36) with planetary gear shaft (16) interference fit
With right lateral carrier (30), the left lateral carrier (36) and right lateral carrier (30) are assemblied in central shaft (1) by bearing.
6. a kind of wheel hub motor of built-in retarder according to claim 5, it is characterised in that：The planetary gear shaft
(16) coordinated respectively by the first deep groove ball bearing (8), the second deep groove ball bearing (41) between planetary gear (11).
7. a kind of wheel hub motor of built-in retarder according to claim 6, it is characterised in that：First deep-groove ball
It is provided on bearing (8), the second deep groove ball bearing (41) for fixed sleeve (9), the sleeve is provided with first on (9)
End ring (7), second bearing baffle ring (12).
8. a kind of wheel hub motor of built-in retarder according to claim 5, it is characterised in that：The sun gear gear
(38) key (40) is provided between central shaft (1) radial direction, is set between the sun gear gear (38) and central shaft (1) axial direction
It is equipped with axial sleeve (28).
9. a kind of wheel hub motor of built-in retarder according to claim 1, it is characterised in that：The hub unit bag
Wheel rim (33), the wheel hub end housing (29) being connected with wheel rim (33) are included, the wheel hub end housing (29) passes through bearing and central shaft (1)
Connection.
10. a kind of wheel hub motor of built-in retarder according to claim 7, it is characterised in that：Before the bearing is
Taper roll bearing (23) and rear front cone roller bearing (5) are provided with left end cap (4) and right end cap on the bearing
(20), left sealing ring (2) and right sealing are respectively arranged between the left end cap (4) and right end cap (20) and central shaft (1)
It encloses (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721490634.5U CN207442630U (en) | 2017-11-10 | 2017-11-10 | A kind of wheel hub motor of built-in retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721490634.5U CN207442630U (en) | 2017-11-10 | 2017-11-10 | A kind of wheel hub motor of built-in retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207442630U true CN207442630U (en) | 2018-06-01 |
Family
ID=62288422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721490634.5U Active CN207442630U (en) | 2017-11-10 | 2017-11-10 | A kind of wheel hub motor of built-in retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207442630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733155A (en) * | 2017-11-10 | 2018-02-23 | 安徽工程大学 | A kind of wheel hub motor of built-in decelerator |
-
2017
- 2017-11-10 CN CN201721490634.5U patent/CN207442630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733155A (en) * | 2017-11-10 | 2018-02-23 | 安徽工程大学 | A kind of wheel hub motor of built-in decelerator |
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