Utility model content
In view of this, the utility model provides a kind of wheel hub motor, simplifies the structure of wheel hub motor, to improve automobile behaviour
Vertical stability.
To achieve the above object, the utility model provides following technical scheme:
A kind of wheel hub motor, it includes:
Central shaft;
The brake disc being fixedly connected with the central shaft, has through hole on the end face of the brake disc, set in the through hole
It is equipped with the magnet of magnetizing direction and the diameter parallel of the brake disc;
The coil brace that be set on the central shaft and can be relatively rotated with the central shaft, on the coil brace
The coil relative with the magnet is provided with, after the coil charges brake disc can rotate.
Preferably, in above-mentioned wheel hub motor, the coil brace includes being arranged in the of the brake disc both sides
One coil brace and the second coil brace, the first coil support and second coil brace are set in the central shaft
On, the first coil support and second coil brace are respectively provided with the coil.
Preferably, in above-mentioned wheel hub motor, the first coil support and second coil brace are circular casing
Body, the toroidal shell is respectively provided with opening near the side of the brake disc, and the coil is arranged on opening for the toroidal shell
It is relative with the magnet at mouthful.
Preferably, in above-mentioned wheel hub motor, the first coil support and second coil brace are solid by screw
Fixed connection.
Preferably, in above-mentioned wheel hub motor, there is the first ventilating opening, the First Line on the periphery of the brake disc
Coil support and second coil brace connection simultaneously form the second ventilating opening on the circumferential surface, and it is adjacent two described second it is logical
The central angle in air port is the integral multiple of the central angle of first ventilating opening of adjacent two.
Preferably, in above-mentioned wheel hub motor, the toroidal shell is respectively provided with the slot to make way of brake callipers installation.
Preferably, in above-mentioned wheel hub motor, the toroidal shell is 5/6ths annulus, and the toroidal shell is formed
Breach be the slot to make way.
Preferably, in above-mentioned wheel hub motor, the through hole is multiple, and the magnet is corresponded with the through hole.
Preferably, in above-mentioned wheel hub motor, all of through hole being arranged circumferentially along the brake disc.
Preferably, in above-mentioned wheel hub motor, the through hole is manhole, and the magnet is to coordinate with the through hole
The permanent magnet of cylinder.
Understood via above-mentioned technical scheme, central shaft, brake disc are included the utility model discloses a kind of wheel hub motor
And coil brace, brake disc fix on center shaft, on the end face of brake disc have through hole, and through hole in have magnetizing direction with
The magnet of the diameter parallel of brake disc, has coil corresponding with magnet, and can make institute after coil charges on coil brace
State brake disc rotation.Hub motor structure in the application is simple, is to be capable of achieving offer, the transmission of power by the process for charging
And the realization of braking, the complicated problem of wheel hub motor mechanical mechanism in the prior art is simplified, reduce the weight of wheel hub motor
Amount, improves the control stability of automobile.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
Fig. 1 is the automobile part-structure explosive view that the utility model embodiment is provided;
Fig. 2 is the top view after the first coil support that the utility model embodiment is provided and the connection of the second coil brace;
Fig. 3 is the left view after the first coil support that the utility model embodiment is provided and the connection of the second coil brace;
Fig. 4 is the front view of the brake disc that the utility model embodiment is provided;
Fig. 5 is the side view of the brake disc that the utility model embodiment is provided;
Fig. 6 is the front view of the second coil brace that the utility model embodiment is provided;
Fig. 7 is the side view of the second coil brace that the utility model embodiment is provided;
Fig. 8 is the front view of the first coil support that the utility model embodiment is provided;
Fig. 9 is the side view of the first coil support that the utility model embodiment is provided;
Figure 10 is the structural representation after the second coil brace connection that the utility model embodiment is provided.
Specific embodiment
Core of the present utility model is to provide a kind of wheel hub motor, simplifies the structure of wheel hub motor, to improve the behaviour of automobile
Handing stability.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As shown in Fig. 1-Figure 10, the utility model discloses a kind of wheel hub motor, including central shaft 5, brake disc 2 and coil
Support, brake disc 2 is fixed on central shaft 5, and having on the end face of brake disc 2 in through hole, and through hole has magnetizing direction and stop
The magnet 21 of the diameter parallel of hull 2, has energy after coil 10 corresponding with magnet 21, and the charging of coil 10 on coil brace
Enough rotate the brake disc 2.The application increased axially arranged magnet 21 on brake disc 2, and relative set coil
10, can realize providing axially driving torque, braking moment etc. to brake disc by the effect in magnetic field.Wheel hub motor in the application
Simple structure, is the realization of the offer and the braking that are capable of achieving power by the process for charging, and simplifies wheel hub in the prior art
The baroque problem of electromechanics, reduces the weight of wheel hub motor, to improve the control stability of automobile.
Coil 10 provides three-phase or five cross streams electricity, produces rotating excitation field, in the axial magnetic field and brake disc 2 in coil 10
The magnetic field interaction of magnet 21 produce moment of torsion, for running car provides power.During braking automobile, no power in coil 10
Stream, because the continuation of the magnet 21 on brake disc 2 rotates, cutting magnetic induction line produces reverse current, plays electromagnetism in coil 10
The effect of damping, the electric current produced in coil 10, to power source charges, plays the mesh of Brake energy recovery by electric machine controller 01
's.When middle intensity is braked, apply the magnetic field that reverse current produces reverse rotation, to brake brake disc 2 in coil 10, urgent system
Increase the extruding brake block 2 of brake callipers 8 when dynamic and realize that mechanical friction is braked, friction catch is combined with electromagnetic damping braking, carries
The braking ability of brake disc 2 high.In reversing process, motor reversal is realized in control rotating excitation field reversion.
Coil brace in the application includes being arranged in the coil of first coil support 1 and second of the both sides of brake disc 2
Support 3, and the coil brace 3 of first coil support 1 and second is set on central shaft 5, the line of first coil support 1 and second
Coil support 3 is respectively provided with above-mentioned coil 10.The effect of magnetic field force can be improved using two coil braces, so as to improve to automobile
Power support.Can be 1000-1500 circles, line footpath for the number of turn of coil 10 disclosed herein:0.2-0.8mm.Herein only
The scope of a kind of size of coil 10 and the number of turn is there is provided, in practice can be according to being selected the need for difference.Additionally, in reality
One coil brace also can be only set in border or multiple coil braces are set, as long as disclosure satisfy that the mode of demand is being protected
In the range of shield.
In wheel hub motor disclosed herein, the coil brace 3 of first coil support 1 and second is toroidal shell, and
Toroidal shell is respectively provided with opening near the side of brake disc 2, and coil 10 is arranged at the opening of toroidal shell relative with magnet 21.
A kind of structure of coil brace disclosed herein, is specifically annular housing, and is U-shape structure in radial section,
I.e. the housing has a side of bottom surface, top surface and connection top surface and bottom surface, wherein, top surface and bottom surface are disc, wherein
Be hatch frame near the side of brake disc 2, there is no a face, coil 10 is arranged between top surface and bottom surface, and with magnet 21 pairs
Should arrange.Additionally, also coil brace can be set into simple supporting structure, it is only necessary to can realize to the installation of coil i.e.
Can.The coil brace 3 of first coil support 1 and second disclosed herein is set on central shaft 5, is rotated in central shaft 5
During, the coil brace 3 of first coil support 1 and second is not with central axis.
Together with first coil support 1 is bolted with the second coil brace 3 in the application, to improve first coil
The stability of the coil brace 3 of support 1 and second, specifically, has threaded mounting hole 11, the second coil on first coil support 1
There is mounting hole 31 on support 3.For the installation gap between central shaft 5 and the coil brace 3 of first coil support 1 and second
Can be according to being set the need for difference, and in protection domain, as long as ensure that the stable rotation of central shaft.This
Outward, when mounted, brake disc 2 is located at the coil branch of first coil support 1 and second to the coil brace 3 of first coil support 1 and second
Between frame 3, and brake disc 2 is fixedly connected with central shaft 5, i.e., rotated with central shaft 5, and specifically, central shaft 5 leads to brake disc 2
Fixing bolt connection is crossed, therefore, influence in order to avoid coil brace to brake disc 2 is, it is necessary to by brake disc 2 and first coil branch
The gap with 1.0-2.0mm is disposed as between the coil brace 3 of frame 1 and second.
In further embodiment, there is the first ventilating opening, first coil support and second on the periphery of brake disc 2
Coil brace is connected and forms the second ventilating opening on the circumferential surface, specifically, on first coil support 1 has the second ventilating opening left
Half 12, the second coil brace 3 has the second ventilating opening right half 32, the second ventilating opening left half 12 and right half 32 composition of the second ventilating opening
Second ventilating opening.Specifically, the central angle of two adjacent the second ventilating openings is two adjacent central angles of the first ventilating opening
Integral multiple.Specifically, the number of the second ventilating opening is six, and the number of threaded mounting hole 11 is four, and alternate arrangement.Circle
Cylindricality permanent magnet is contour with brake disc 2, and cylindrical magnet iron diameter is less than the first ventilating opening maximum gauge, it is ensured that brake disc 2 dissipates
The uniform radiating effect of heat.
In further embodiment, in order to improve the braking effect of brake disc 2, also including brake callipers 8, specific this is stopped
The structure and mounting means of car clamp 8 are identical with of the prior art, but, it is respectively provided with the both sides of brake disc 2 in the application
Coil brace, in order to brake callipers 8 are provided with installing space, toroidal shell disclosed herein also has brake callipers 8
The slot to make way of installation, to ensure the normal mounting of brake callipers 8 and use.In view of foregoing description understands, can in original structure
Axial through hole is only opened up on brake disc 2, magnet 21 is set in through hole, and accordingly increases first coil support 1 and the
Two wires coil support 3, therefore, need to be entered according to the space of existing structure in the shape of the coil brace 3 of first coil support 1 and second
Row setting.Change to existing vehicle structure is reduced using above-mentioned setting.
Specifically in embodiment, the above-mentioned coil brace 3 of first coil support 1 and second is 5/6ths circular ring shell
Body structure, and the breach that the toroidal shell is formed is slot to make way.For both coil braces 3 of first coil support 1 and second
Size for can be according to being set the need for difference, and in protection domain.
The through hole being arranged on brake disc 2 disclosed herein is multiple, (preferred 15 or 21) and along brake
Disk 2 is arranged circumferentially, and the magnet 21 in the application is corresponded with through hole, i.e., be respectively provided with a magnet in each through hole
21.Further, since the coil brace 3 of first coil support 1 and second is tool loop configuration jaggy, but the coil 10 for setting
The distance between adjacent is also identical, i.e., these coils 10 are also what is be evenly arranged on correspondence coil brace.When coil 10
After charging, under the action of a magnetic force, the cutting magnetic induction line of magnet 21 provides power, and brake disc 2 is rotated.
Through hole disclosed in above-described embodiment is manhole, and corresponding magnet 21 is cylindrical magnet, and the magnet
21 is permanent magnet.It will be appreciated by persons skilled in the art that in practice can be according to restriction magnet 21, through hole the need for difference
Shape and size, and number, it is also possible to increase magnet exciting coil to encourage stronger magnetic field.Those skilled in the art are not herein
It is specifically limited, and in protection domain.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.