CN206164283U - Integrated electromagnetic braking's vehicle hub motor - Google Patents
Integrated electromagnetic braking's vehicle hub motor Download PDFInfo
- Publication number
- CN206164283U CN206164283U CN201621227135.2U CN201621227135U CN206164283U CN 206164283 U CN206164283 U CN 206164283U CN 201621227135 U CN201621227135 U CN 201621227135U CN 206164283 U CN206164283 U CN 206164283U
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- China
- Prior art keywords
- stator
- electromagnetic braking
- rotor
- piston
- support
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses an integrated electromagnetic braking's vehicle hub motor, including the back shaft, stator support, in -wheel motor rotor, stator, spider, spider bearing, electromagnetic braking rotor, the stator can slide on the stator support, and during the car drive, the drive function with in -wheel motor rotor cooperation work, is realized at drive operating position to the stator, and during the car braking, the stator slides to and brakies operating position, with electromagnetic braking rotor cooperation work, realizes brake function, the utility model discloses the electromagnetic braking that has integrateed on in -wheel motor, simple structure, electromagnetic braking ware size is big, has increased electromagnetic braking power, has improved automobile go security and travelling comfort.
Description
Technical field
The utility model is related to a kind of hub motor structure, more particularly to a kind of wheel hub motor knot of integrated electromagnetic braking
Structure.
Background technology
New-energy automobile reduces fuel consumption, and environmental-friendly and comfortable is increasingly approved by market.Wheel hub is adopted in new-energy automobile
Electromobile is motorized degree highest technological means, and technology expectation effect and market development space are maximum.
Braked using disk-type friction when orthodox car is braked, fluid pressure line drives brake pad extrusion friction piece.The braking
Method can produce brake dust and noise, can also cause to brake thermal failure in continuous intensive work, injure the peace of automobile
Row for the national games.It is necessary to increase a set of auxiliary brake on the basis of traditional braking technology.
In prior art, the patent of invention of Application No. 201510109880.0 discloses a kind of integrated electromagnetic brake
Wheel hub motor.Electromagnetic brake is installed on wheel hub motor stator inner periphery space in the invention.This structure electromagnetic brake
Size is restricted, and electromagnetic braking torque is little.And solenoid adopts axial arranged, structure is extremely complex.The utility model
Overcome above technological deficiency.
The content of the invention
It is little according to electromagnetic braking size present in prior art, electromagnetic braking limited torque, and integrated morphology complexity,
The shortcomings of weight is big, the utility model makes following technological improvement：The stator of In-wheel motor driving is used for electromagnetic braking simultaneously
The stator of device.Under normal circumstances, stator is in driving operating position；During automobile brake, brake piping hydraulic oil promotes stator to slide
Move application position；When automobile terminates braking, in the presence of return spring, stator returns to activation point.
The technical solution of the utility model is：
The car wheel electromotor of the integrated electromagnetic braking includes support shaft, and stator support, wheel hub motor rotor, stator turns
Submounts, rotor field spider bearing, electromagnetic braking rotor, return spring, brake fluid pipeline, nut, piston；Stator can be in stator
Slide on support；Piston one end is fixed on stator support by nut, and the other end can slide in the piston hole of stator；System
The oilhole of hydrodynamic pipeline and stator surface is affixed, oilhole other end connection piston hole bottom, and return spring one end is fixed on stator
On support, the affixed stator of the other end.
Further, groove is provided with stator, there is projection on stator support, groove and raised into engagement, have 2 pairs with
On, including 2 pairs of grooves and projection, stator can slide on stator support.
Further, the oilhole in stator can be vertical pipeline and horizontal pipeline composition right angle pipeline, or
One inclined pipeline, using inclined pipeline, oil circuit is unobstructed not to have right-angle turning node, and pressure loss is little.
Further, electromagnetic braking rotor may be installed wheel hub motor rotor outside, it is also possible to turn installed in wheel hub motor
Sub- inner side, i.e., with central wheel axis as relative coordinate, electromagnetic brake can be proximate to wheel away from vehicle body position, it is also possible to
Wheel is remote near vehicle body position.
Further, magnetic field separator, this magnetic field separator are installed between wheel hub motor rotor and electromagnetic braking rotor
Made using the little material of permeability, can be copper or aluminium.
Further, electromagnetic braking rotor thickness scope is 2mm-10mm, is turned to form effective current vortex electromagnetic braking
Sub-disk thickness has minimum restriction, in order to reduce weight, has highest to limit its thickness, adopts scope for 2mm-10mm.
Further, dust cover is cased with piston, dust cover is enclosed within the piston rod of stator exterior.
The utility model having the advantages that using above-mentioned technical proposal：
Electromagnetic braking is efficiently integrated in wheel hub motor, a shared stator is driven and brake, is reduced at wheel
Quality, that is, reduce automobile nonspring carried mass, improves running car comfortableness.
Electromagnetic brake radial dimension is consistent with wheel hub motor, designs in wheel hub relative to electromagnetic brake in prior art
In motor stator inner periphery, electromagnetic brake size is increased, increase electromagnetic braking torque, improve braking safety and steady
It is qualitative.
In addition the utility model integrated morphology is simple, changes little needed for existing wheel hub, and installation, maintenance cost are low.
Description of the drawings
The installation diagram of the car wheel electromotor of the integrated electromagnetic brakings of Fig. 1
The partial enlarged drawing of Fig. 2 installation diagrams
The front view of Fig. 3 stators
The side view of Fig. 4 stators
Description of reference numerals：1st, stator fixing axle, 2, stator support, 3, wheel hub motor rotor, 4, stator, 5, magnetic field isolation
Part, 6, electromagnetic braking rotor, 7, return spring, 8, rotor field spider, 9, rotor field spider bearing, 10, brake fluid pipeline, 11, nut,
12nd, piston
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is further described to the utility model, but guarantor of the present utility model
Shield scope is not limited to this.
Embodiment 1：
Referring to Fig. 1, a kind of car wheel electromotor of integrated electromagnetic braking of the utility model includes support shaft 1, stator support
2, wheel hub motor rotor 3, stator 4, rotor field spider 8, rotor field spider bearing 9, electromagnetic braking rotor 6, return spring 7, brake fluid
Pipeline 10, nut 11, piston 12；Stator 4 can slide on stator support 2；It is fixed that the one end of piston 12 is fixed on by nut 11
On submounts 2, the other end can slide in the piston hole of stator 4；The oilhole on brake fluid pipeline and the surface of stator 4 is affixed, oil
Hole other end connection piston hole bottom, one end of return spring 7 is fixed on the support of stator 2, the affixed stator 4 of the other end, rotor
Frame 8 and wheel hub are affixed, and stator support 2, support shaft 1 and suspension are affixed, and support shaft 1 supports rotor field spider 8 and stator support 2.
Stator 4 in FIG solid line position when, return spring 7 press against stator 4 so as to will not slide on stator support 2
It is dynamic.When driver's bend the throttle, stator 4 and the cooperating of wheel hub motor rotor 3 drive running car.
When driver's brake pedal, the hydraulic oil in brake piping is entered in the cavity of piston 12, overcomes return bullet
The elastic force of spring 7, promotes stator 4 to slide into dotted line position, and now stator 4 and the cooperating of electromagnetic braking rotor 6, are carried out to automobile
Braking, auxiliary friction braking, reduces the intensity of friction catch.
Referring to Fig. 2, the one end of piston 12 is fixed on stator support 2 by nut 11, when hydraulic oil enters piston cavity
When, piston 12 is motionless, and stator 4 slides.Dust cover is enclosed within the piston rod 12 outside stator 4, plays dust-proof lubricating effect.
Embodiment 2：
Referring to Fig. 3 and Fig. 4,3 grooves are provided with stator 4, it can also be a groove, two or more than three pairs
Groove is relative to the projection engagement of number on stator support 2, and stator 4 is sliding on stator support 2 by groove and projection
It is dynamic.Piston hole and oilhole are paired, and three pairs of piston holes and oilhole are had in Fig. 4, and it can also be a pair, two pairs or three pairs
More than.Oilhole end leads to piston cavity, and hydraulic oil is entered after oilhole, by the pipeline inside stator 4, into piston cavity.It is fixed
Hydraulic oil pipeline inside son 4 can be straight line, be passed directly to piston cavity from the surface of stator 4, or vertically determine
The vertical curve pipeline on sub 4 surfaces and the horizontal pipeline parallel to the surface of stator 4 are combined.Hydraulic oil pipeline is from automobile brake pipe
Hydraulic oil is taken in road, is fixed on the surface of stator 4 by sealing nut.Pistion recess depth inside stator 4, when stator 4
In activation point when, piston just touches piston cavity bottom；When stator 4 is in application position, piston is just near living
At plug cavities open.
Embodiment 3：
Between wheel hub motor rotor 3 and electromagnetic braking rotor 6, magnetic field separator is installed.This magnetic field separator is by magnetic conduction
The very low material of rate is made, such as from copper or aluminum material.The effect of magnetic field separator is avoided in automobile brake, fixed
When son 4 and electromagnetic braking 6 cooperating of rotor, the magnetic field that the magnetic field of permanent magnet of wheel hub motor rotor 3 and electromagnetic brake are produced
Interact, affect its normal work.The thickness of magnetic field separator selects 5mm-15mm.Electromagnetic braking rotor thickness scope
For 2mm-10mm, there is minimum restriction to form effective current vortex electromagnetic braking rotor disc thickness, in order to reduce weight, to it
Thickness has highest to limit, and adopts scope for 2mm-10mm.
Claims (7)
1. a kind of car wheel electromotor of integrated electromagnetic braking, it is characterised in that including support shaft (1), stator support (2), wheel hub
Rotor (3), stator (4), rotor field spider (8), rotor field spider bearing (9), electromagnetic braking rotor (6), return spring (7),
Brake fluid pipeline (10), nut (11), piston (12)；Stator (4) can slide on stator support (2)；Piston (12) one end
It is fixed on stator support (2) by nut (11), the other end can slide in the piston hole of stator (4)；Brake fluid pipeline
It is affixed with the oilhole on stator (4) surface, oilhole other end connection piston hole bottom, return spring (7) one end is fixed on stator (2)
On support, the affixed stator of the other end (4).
2. the car wheel electromotor of a kind of integrated electromagnetic braking according to claim 1, it is characterised in that on stator (4)
Groove is provided with, there is projection on stator support (2), groove and raised into engagement, there is more than 2 pairs, including 2 pairs of grooves and projection.
3. the car wheel electromotor of a kind of integrated electromagnetic braking according to claim 1, it is characterised in that in stator (4)
Oilhole can be vertical pipeline and horizontal pipeline composition right angle pipeline, or an inclined pipeline.
4. the car wheel electromotor of a kind of integrated electromagnetic braking according to claim 1, it is characterised in that electromagnetic braking turns
Sub (6) may be installed wheel hub motor rotor (3) outside, it is also possible to installed in wheel hub motor rotor (3) inner side.
5. the car wheel electromotor of a kind of integrated electromagnetic braking according to claim 1, it is characterised in that in wheel hub motor
Magnetic field separator is installed between rotor (3) and electromagnetic braking rotor (6).
6. the car wheel electromotor of a kind of integrated electromagnetic braking according to claim 1, it is characterised in that electromagnetic braking turns
Sub (6) thickness range is 2mm-10mm.
7. the car wheel electromotor of a kind of integrated electromagnetic braking according to claim 1, it is characterised in that on piston (12)
It is cased with dust cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227135.2U CN206164283U (en) | 2016-10-31 | 2016-10-31 | Integrated electromagnetic braking's vehicle hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621227135.2U CN206164283U (en) | 2016-10-31 | 2016-10-31 | Integrated electromagnetic braking's vehicle hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206164283U true CN206164283U (en) | 2017-05-10 |
Family
ID=58659524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621227135.2U Expired - Fee Related CN206164283U (en) | 2016-10-31 | 2016-10-31 | Integrated electromagnetic braking's vehicle hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206164283U (en) |
-
2016
- 2016-10-31 CN CN201621227135.2U patent/CN206164283U/en not_active Expired - Fee Related
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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: 20170510 Termination date: 20171031 |