A kind of electric wheel hub of electric return board and wire structures
Technical field
The present invention relates to the electric return board technical field, be specifically related to a kind of electric wheel hub and wire structures of electric return board.
Background technology
Electric return board surely belongs at present hot product, and people are improving constantly the requirement of electric return board shape and function, and then more and more higher to its performance, specification requirement, and as core component, the performance of electric wheel hub directly has influence on the operation of electric return board.
The electric return board that Vehicles Collected from Market occurs adopts the lamina face more, and Circuits System is arranged at the bottom of plate face, and volume is larger, and the phenomenons such as electric return board chance Uneven road in service are prone to the backing phenomenon, are difficult for the holding circuit system; Electric return board adopts electric wheel hub, usually is made of brushless electric machine and wheel hub, and the volume of existing brushless electric machine and wheel hub is larger, and weight is higher, affects whole flexibility ratio and the portability of electric return board.
The motor lines of brushless electric machine is generally one wire harness and draws from motor shaft, the electric wheel hub of electric return board adopts the inner-rotor-type brushless motor of two-way shaft, the brushless electric machine two ends are socketed respectively hub shell, and motor shaft is fixedly connected with hub shell, and the rotation of motor shaft drives hub shell and rotates; Because motor lines can not be passed through hub shell or the wheel hub end housing of high speed rotating, so can not adopt this kind outlet method.If motor lines is drawn by electric motor end cap, motor lines must get around hub shell or the wheel hub end housing of high speed rotating equally.
So need to propose new wire laying mode, motor lines carried out reasonable Arrangement.
Summary of the invention
Problem to be solved by this invention is: design a kind of electric wheel hub and wire structures of electric return board, and electric wheel hub tool excellent properties, easy, safety connects up.
The present invention solves the technical scheme that its technical problem takes: the electric wheel hub and the wire structures that design a kind of electric return board, motor is the inner-rotor-type brushless motor of two-way shaft, the motor two ends are symmetrical socket hub shell respectively, motor shaft is fixedly connected with hub shell, it is characterized in that: the motor stator two ends arrange electric motor end cap, between motor stator and the hub shell bearing are set; Described electric motor end cap arranges the wire hole that the power supply machine line is drawn, and described motor stator arranges trough, and the trough groove is along the binding face through bearing and motor stator; The rotation of support girder is fixedly connected on the plate body drain pan, and the support auxiliary girder is fixedly connected with motor; Described support arranges inner cable tray, and the cable tray entrance communicates with trough, and the cable tray outlet communicates with plate body drain pan through wires hole; Motor lines is passed by wire hole, successively through trough and support cable tray, by through wires hole along entering plate body inside; Described motor stator periphery arranges motor housing, and the motor housing two ends arrange electric motor end cap, between motor housing and the hub shell bearing is set, and described motor housing arranges wire hole; Described wire hole is arranged between electric motor end cap and the bearing, motor housing arranges trough, and the trough groove is along the binding face through bearing and motor housing, or wire hole is arranged at the support auxiliary girder installation place of motor housing, after motor lines is passed by wire hole, directly along entering the support cable tray; Single perforate or a plurality of perforate that described wire hole is set to respective width according to quantity and the diameter of motor lines, described trough is set to single groove or the multiple-grooved of respective width; Described trough is set to linearity, helical form or curve-like; Described wire hole is arranged at the support auxiliary girder installation place of motor stator, after motor lines is passed by wire hole, directly along entering the support cable tray; Described support auxiliary girder arranges the cable tray entrance, and the support girder arranges the cable tray outlet, and girder section cable tray, auxiliary girder section cable tray are set to linearity; Arrange vertical with plate body of described girder section cable tray, described auxiliary girder section cable tray and support girder section passage form an obtuse angle or a right angle; Described support auxiliary girder arranges circular ring, is set in motor stator periphery or motor housing periphery; Described through wires hole is set to arc, and in the support rotary course, the one section motor lines that penetrates through wires hole is done the arc track swing with the support girder; Described support arranges outside trough; Described trough arranges cover plate, and cell body is fixed with cover plate and is connected; Described cell body arranges the concave hole clipping, the buckle that described cover plate setting and described hole clipping are suitable; Described hub shell is cone, and the hub shell periphery coats tire.
The beneficial effect that the present invention has is:
1, the electric wheel hub of a kind of electric return board of the present invention and wire structures, consisted of by brushless electric machine and wheel hub, motor lines is after draw in the motor outlet wire hole, via the trough of motor periphery setting along entering the support cable tray, or by wire hole directly along entering the support cable tray, via the support cable tray along entering plate body, safe outlet and the wiring of electric return board electric wheel hub have been guaranteed, scientific structure design is reasonable, without lengthy and tedious, expose connecting line, cabling is in good order; The electric wheel hub volume is little, lightweight, and the electric return board overall appearance is brief attractive in appearance, and is light flexibly.
2, the motor stator two ends arrange electric motor end cap, and the motor stator periphery directly arranges hub shell, has saved motor housing, simplify and make flow process, save raw material, and can reduce motor size, save installing space.
3, for the ease of outlet and better protection motor performance, establish wire hole at electric motor end cap, select the contact-segment of electric motor end cap and motor stator, motor stator arranges trough, the trough groove is along the binding face through bearing and motor stator, this set does not have special requirement to the installation site of bearing, does not affect bearing and installs; After motor lines was drawn by wire hole, along entering support, cabling was safe and reliable via trough.
4, for the ease of wiring, in the situation that does not affect motor performance, can wire hole be set in the support auxiliary girder installation place of motor stator, motor lines can be directly along entering support after wire hole is drawn, need not to establish in addition wire casing, passage, and motor lines can not contact with other device of motor periphery, and when reducing production process, simple and direct, safety connects up.
5, the design of internal stent cable tray can be avoided exposing of motor lines, effectively protects the safety of motor lines, and overall appearance degree that can lifting vehicle.
6, in the enough situation of installing space, the motor stator periphery arranges motor housing, can effectively protect the internal structure of motor such as motor stator, helps to stablize motor performance; At motor housing wire hole is set, arranges easyly, and need not to destroy motor stator structure; Wire hole can be arranged between electric motor end cap and the bearing, and the trough that the motor housing setting communicates with wire hole, trough groove do not affect equally bearing and install along the binding face through bearing and electric machine casing; Wire hole also can be arranged between bearing and the support, and trough need not through the bearing installation place, and cabling is more convenient; Wire hole can also be arranged at the support auxiliary girder installation place of motor housing, after motor lines is passed by wire hole, directly along entering the support cable tray, forms more convenient, safe routing path.
7, in order not affect motor performance, when motor lines negligible amounts or diameter hour, single wire hole can be set, trough can be set to wall scroll, arranges easy; When more the or diameter of motor lines quantity is larger, a plurality of wire holes can be set, trough can be set to many, can effectively avoid the mutual magnetic interference of motor lines, improves the accuracy of Electric Machine Control.
8, simple and direct for the ease of making trough and cabling, wire hole and support cable tray entrance are arranged in the same plane, trough correspondingly is designed to linearity; Consider the installation environment of motor or wire hole complexity is set the time, wire hole and support cable tray entrance are arranged in the Different Plane, trough correspondingly is designed to curve-like; Consider good looking appearance, trough can be designed to helical form, which kind of situation no matter does not affect the wiring safety of motor lines.
9, consider the distance and manufacture craft factor of internal stent cable tray, girder section cable tray, the auxiliary girder section cable tray of support are designed to linearity, form the cable tray nearest, that cabling is the simplest and the most direct, the cable tray that the shaped form of comparing etc. are complicated can reduce the manufacture craft difficulty.
10, the rotation of support girder is fixedly connected on the plate body drain pan, the support auxiliary girder is fixedly connected with motor stator, the support axle center forms one section deviation distance with the wheel subcenter, cause certain moment, electric return board is in service, the driver tramples the wheel on left side or right side and exerts pressure, just can realize electric return board to the left or right hand steering.
11, hub shell is designed to cone, and the hub shell periphery coats tire, consists of the whole driving wheel that is the shuttle shape, and this kind designs so that the centre-of gravity shift effect is particularly evident, and pressure control turns to more flexible, light.
12, auxiliary girder section cable tray and girder section cable tray are mutually the obtuse angle; motor lines can be complied with the angle of inclination; comparatively easily by frame auxiliary girder section cable tray along entering girder section cable tray; and; this kind design can not affect the intensity of support itself; can also guarantee that the cable tray entrance is not prone to the problem of mill line, broken string, is conducive to protect motor lines.
13, do not affecting the intensity of support own, do not affecting in the situation of motor lines cabling safety, auxiliary girder section cable tray can be mutually the right angle with girder section cable tray, and cabling is simple and direct, is convenient to arrange.
14, the support auxiliary girder arranges circular ring, is set in the motor periphery, and this kind design makes it stable so that support can grasp motor fixingly well, is difficult for getting loose, shaking phenomenon; And motor performance is effectively safeguarded in the damage to motor that can avoid adopting the generic connectivity modes such as screw is fixing to bring.
15, plate body drain pan through wires hole is designed to arc, this kind design, fully take into account in the whole process that support turns to, the one section motor lines that penetrates through wires hole is done the arc track swing with the support girder, give motor lines good scope of activities, can swing freely with the rotation of support the phenomenon of be not prone to the mill line, squeezing line, broken string.
16, the support outer wall can be established trough, so that cabling is directly perceived, and easy access circuit, features simple structure and can not affect outward appearance; Trough arranges cover plate, can increase the seal of trough, strengthens the protection effect to motor lines; The trough cell body is fixed with cover plate and is connected, and is simple in structure, is convenient to installation and removal.
17, hub shell is loaded on the motor periphery by bearing holder (housing, cover), so that hub shell can rotate well with motor shaft, and can support for hub shell provide preferably, strengthens its bearing.
Description of drawings
Fig. 1 is electric wheel hub structural representation of the present invention;
Fig. 2 is frameless motor structural representation of the present invention;
Fig. 3 is frameless motor profile of the present invention;
Fig. 4 is hub shell schematic diagram of the present invention;
Fig. 5 is the embodiment of the invention one structural representation;
Fig. 6 be among Fig. 5 wire hole part overlook enlarged drawing;
Fig. 7 is wire hole among Fig. 5, trough and bearing portions enlarged drawing;
Fig. 8 is Fig. 5 middle (center) bearing placement profile;
Fig. 9 is the embodiment of the invention two structural representations;
Figure 10 is that motor of the present invention arranges the motor housing structural representation;
Figure 11 is the embodiment of the invention three structural representations;
Figure 12 is the embodiment of the invention four structural representations;
Figure 13 is the embodiment of the invention five structural representations;
Figure 14 is the single schematic diagram that arranges of wire hole in the embodiment of the invention one;
Figure 15 is a plurality of schematic diagrames that arrange of wire hole in the embodiment of the invention one;
Figure 16 is that the trough wall scroll arranges schematic diagram in the embodiment of the invention one;
Figure 17 is that many of troughs arrange schematic diagram in the embodiment of the invention one;
Figure 18 is supporting structure schematic diagram of the present invention;
Figure 19 is that support of the present invention is fixedly connected with schematic diagram with motor;
Figure 20 is internal stent cable tray schematic diagram of the present invention;
Figure 21 is that plate body drain pan of the present invention arranges the through wires hole schematic diagram;
Figure 22 is the outside trough schematic diagram of support of the present invention;
Figure 23 is plate body schematic diagram of the present invention;
Among the figure: 1, motor, 2, hub shell, 3, motor shaft, 4, motor stator, 5, electric motor end cap, 6, bearing, 7, wire hole, 8, trough, 9, trough groove edge, 10, motor housing, 11, support, 12, the support girder, 13, the support auxiliary girder, 14, support cable tray, 15, girder section cable tray, 16, auxiliary girder section cabling is logical, 17, plate body, 18, circular ring, 19, cable tray entrance, 20, cable tray outlet, 21, the plate body drain pan, 22, through wires hole, 23, the support trough.
The specific embodiment
For above and other purpose of the present invention, feature and advantage can be become apparent, several preferred embodiments cited below particularly, and cooperate appended diagram, be described in detail below.
For solve prior art problem, this case proposes a kind of small volume, comparatively light electric wheel hub and wire structures, electric wheel hub is made of the less major diameter dc brushless motor of appearance and size and the wheel hub of smaller size smaller, the major diameter dc brushless motor has good heat dissipation effect, the high and low interference of power of motor density, low noise, power and energy saving, is easy to the advantages such as control, life-span is long; Motor lines is after the wire hole of motor is drawn, via the trough of motor periphery setting along entering the support cable tray, or direct along entering the support cable tray by wire hole, via the support cable tray along entering in the plate body, the safe outlet of electric wheel hub and the wiring of electric return board have been guaranteed, scientific structure design is reasonable, without lengthy and tedious, expose connecting line, cabling is in good order; The electric wheel hub volume is little, lightweight, and the electric return board overall appearance is brief attractive in appearance, and is light flexibly.
Below will utilize Fig. 1-Figure 23 that the present invention is done more detailed description.
As shown in FIG., motor 1 is the inner-rotor-type brushless motor of two-way shaft, motor 1 two ends are symmetrical socket hub shell 2 respectively, and hub shell 2 peripheries coat tire, and motor shaft 3 is fixedly connected with hub shell 2, be rotationally connected between hub shell 2 and the motor 1, electric return board is in service, and motor 1 work is take motor shaft 3 as rotary body, and motor shaft 3 rotates the rotation that drives hub shell 2, realize vehicle wheel rotation, and then realize the driving operation of electric return board.
Hub shell 2 is designed to cone, and the bigger diameter end opening arranges, and miner diameter end arranges end cap, and hub shell 2 peripheries coat tire, consists of the whole driving wheel that is the shuttle shape, and the periphery of hub shell 2 can coat solid non-inflatable tyre or hollow inflatable tire.
Embodiment one: the motor 1 in the electric wheel hub is frameless motor, the two ends of motor stator 4 directly arrange electric motor end cap 5, between motor stator 4 and the hub shell 2 bearing 6 is set, the scene 2 axle head of motor shaft 3 is fixedly connected with the end cap of this end hub shell 2 respectively, consists of being rotationally connected of motor stator 4 and hub shell 2; Electric motor end cap 5 arranges the wire hole 7 that the power supply machine line is drawn, and offers the trough 8 of concave by motor stator 4 peripheries, the trough groove along 9 through the binding faces of bearings 6 with motor stator 4.
More preferably, wire hole 7 is arranged at the contact-segment of electric motor end cap 5 and hub shell 2, and wire hole 7 communicates with trough 8, and motor lines is direct along entering in the trough 8 after wire hole 7 passes.
12 rotations of support girder are fixedly connected on plate body drain pan 21, and support auxiliary girder 13 is fixedly connected with motor 1; The inside of support 11 arranges support cable tray 14, and cable tray entrance 19 communicates with trough 8, and cable tray outlet 20 communicates with the through wires hole 22 that plate body drain pan 21 arranges; Motor lines is passed by wire hole 7, successively through trough 8 and support cable tray 14, by through wires hole 22 along entering plate body 17 inside.
Rotor is divided into two kinds of internal rotor rotating manner and outer rotor rotating manners.The internal rotor rotating manner is that the core body in the middle of the motor is rotary body, output torque; The outer rotor rotating manner is namely take the motor ectosome as rotary body; Rotor, i.e. rotary part in the motor; Motor is comprised of rotor and motor stator two parts, and it is the conversion equipment of realizing electric energy and mechanical energy and mechanical energy and electric energy.
According to structure and operation principle, motor can be divided into brushless electric machine and brush motor, and brushless electric machine has brushless, the low interference; Noise is low, and it is smooth and easy to turn round; The power and energy saving; Be easy to control; Life-span is long, hangs down advantages such as safeguarding cost.
Embodiment two, wire hole 7 are arranged at support auxiliary girder 13 installation places of motor stator 4, and motor lines is direct along entering support 11 after wire hole 7 is drawn.
In the enough situation of installing space, motor stator 4 peripheries arrange motor housing 10, and motor housing 10 two ends arrange electric motor end cap 5, between motor housing 10 and the hub shell 2 bearing 6 are set, and motor housing 10 is rotationally connected with hub shell 2; Wire hole 7 is arranged on the motor housing 10.
Embodiment three, wire hole 7 are arranged between electric motor end cap 5 and the bearing 6, offer the trough 8 of concave by the periphery of motor housing 10, the trough groove along 9 through the binding faces of bearings 6 with motor housing 10.
Embodiment four, wire hole 7 are arranged between bearing 6 and the support 11, and trough 8 need not through bearing 6.
Embodiment five, wire hole are arranged at support auxiliary girder 13 installation places of motor housing 10, after motor lines is passed by wire hole 7, directly along entering support cable tray 14.
Single perforate or a plurality of perforate that wire hole 7 is set to respective width according to quantity and the diameter of motor lines; Trough 8 is set to single groove or the multiple-grooved of respective width; When motor lines negligible amounts or diameter hour, single wire hole 7 can be set, the shape of wire hole 7 can be set to according to situation circular or square; Trough 8 can be set to wall scroll; When more the or diameter of motor lines quantity is larger, a plurality of wire holes 7, many troughs 8 can be set; Trough 8 is set to linearity, helical form or curve-like.
In this programme, motor 1 external diameter is designed to the 48mm-55mm scope, such as 48mm, 50mm or 55mm, the quantity of motor lines is 8, and it is 3 thick, 5 thin being divided into, motor lines thick line diameter is 2mm, the motor lines wire diameter is 1.2mm, according to this size, wire hole 7 can be set to single perforate or a plurality of perforate of appropriate size, circular hole or square hole are decided according to situation; Trough 8 can be set to single groove or the multiple-grooved of appropriate size, such as: be set to 8 strias, or be set to several sipes etc., decide according to situation, so that motor lines suitably distributes wherein.
In addition, the motor lines of brushless electric machine can also be set to 2 or 3, and correspondingly, the size of wire hole 7, trough 8 and quantity can according to the situation setting, can be set to wire hole 71,2 or 3; Trough 8 is set to 1,2 or 3.
The shape of trough 8 can be set to linearity, helical form or curve-like.
Support 11 is made of support girder 12 and support auxiliary girder 13, and support auxiliary girder 13 arranges cable tray entrance 19, and support girder 12 arranges cable tray outlet 20, and girder section cable tray 15, auxiliary girder section cable tray 16 are set to linearity.
Girder section cable tray 15, auxiliary girder section cable tray 16 are set to linearity; Girder section cable tray 15 is perpendicular with plate body 17, and auxiliary girder section cable tray 16 forms an obtuse angle or a right angle with girder section cable tray 15.
Support auxiliary girder 13 arranges circular ring 18, is set in the periphery of motor 1, and more preferably, this programme circular ring 18 is set in the stage casing of motor 1; When motor 1 was frameless motor, circular ring 18 was set in the periphery of motor stator 4, and when motor 1 arranged shell, circular ring 18 was set in motor housing 10 peripheries.
Plate body drain pan 21 arranges through wires hole 22, and through wires hole 22 is set to arc, and in support 11 rotary courses, the one section motor lines that penetrates through wires hole 22 is done the arc track swing with support girder 12.
Support 11 outer surfaces can arrange the support trough 23 of concave.
Support trough 23 arranges cover plate, can increase the seal of support trough 23, strengthens the protection effect to motor lines.
The cell body of support trough 23 is fixed with cover plate and is connected, and cell body arranges the concave hole clipping, and the buckle that cover plate setting and hole clipping are suitable is simple in structure, is convenient to installation and removal.
Electric return board has the plate body 17 of an inner hollow structure, and plate body 17 inside are provided with Circuits System, such as battery, controller, circuit etc., this kind project organization, brief, the fashion of effectively holding circuit system, and outward appearance.
It is pointed out that above-mentioned embodiment only is the preferred embodiment of the invention, for those skilled in the art, meeting under the prerequisite of operation principle of the present invention, any be equal to or similar replacement all falls within the scope of protection of the present invention.