CN201018358Y - Electric bicycle ventilation, refrigeration rainproof high-speed electric machine - Google Patents
Electric bicycle ventilation, refrigeration rainproof high-speed electric machine Download PDFInfo
- Publication number
- CN201018358Y CN201018358Y CNU2007201076376U CN200720107637U CN201018358Y CN 201018358 Y CN201018358 Y CN 201018358Y CN U2007201076376 U CNU2007201076376 U CN U2007201076376U CN 200720107637 U CN200720107637 U CN 200720107637U CN 201018358 Y CN201018358 Y CN 201018358Y
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- Prior art keywords
- electric bicycle
- motor
- end cap
- speed motor
- exhausting duct
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- Expired - Fee Related
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- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to a ventilated cooling rainproof high-speed motor for an electric bicycle, which comprises a motor rotor and a motor stator; wherein the exterior of the stator is provided with a machine shell, the machine shell is connected with an end cover and a gearbox connecting cover, a motor shaft of the rotor is arranged in the end cover and the connecting cover, the motor shaft drives an output shaft through a gear speed-changing mechanism, the output shaft drives a wheel hub of the electric bicycle, and the exterior of the gear speed-changing mechanism is provided with a box body; the utility model is characterized in that the gearbox connecting cover is provided with an exhaust inlet, the motor shaft is provided with a fan blade, the end cover is provided with a ventilation hole and an exhaust duct, the exhaust duct is provided with an air inlet and an air outlet, and the outer side of the end cover is connected with a waterproof and dustproof shield. The motor can effectively reduce the temperature of the motor chamber and lowers the discharging current of the electric bicycle when working in order to improve the work efficiency of the motor and reach the capacity of prolonging the running distance and climbing. The exterior of the end cover is provided with the waterproof and dustproof shield, which effectively prevents the intrusion of the external sundries and rainwater.
Description
Technical field
The utility model relates to electric bicycle motor, particularly relates to ventilated cooling rainproof high-speed motor of electric bicycle.
Background technology
Electric bicycle uses flexibly, and applicability is wide, can be on streets and lanes, backroad by bike; Without manpower to pedal, speed is fast, and is laborsaving, save time; Compare the saving energy with motorcycle, pollution-free; Add the profile better appearance, especially be fit to the women and use, so comparatively fast developed in recent years.In the unitary construction of electric bicycle, its cardiac component---motor plays the leading role of decision electric motor car quality, and the quality of motor directly influences factors such as electric motor car climbing capacity and mileages of continuation.Existing electric motor car always is that its shortcoming is that power consumption is big with the transmission of low speed wheel hub, and torque is little, and climbing capacity is poor, so people have carried out the new research of electric vehicle motor---nothing is brushed with tooth driven high-speed motor, can overcome the shortcoming of existing low speed wheel hub transmission.But high-speed electric expreess locomotive is owing to magnetic flux alternative frequency increase in winding current and the iron core causes the increase of basic electrical loss, but also increase the high frequency supplementary load loss, particularly rotor surface is because wind moussing loss that high speed rotating produces and bearing loss shared proportion in total losses, and the speed of service and the radiating condition of this and motor are closely related.Simultaneously, because the minimizing of the increase of specific volume power density and loss and overall heat dissipation capacity area, because being in full closeding state, the motor integral body that the influencing factor (rainwater and dust) of bad weather is caused directly cause the motor power consumption big because of using electric bicycle again, problems such as efficient reduction even the deadlock of burning line.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming that prior art exists, provide a kind of to the cooling of taking a breath in the motor, can prevent effectively that again foreign material and rainwater from entering in the motor, discharging current in the time of reducing electric motor car work, increase work efficiency, prolong the ventilated cooling rainproof high-speed motor of electric bicycle of mileages of continuation and raising climbing capacity.
The technical scheme of the utility model ventilated cooling rainproof high-speed motor of electric bicycle is: rotor and stator are arranged, stator has casing outward, casing connects end cap and gearbox connection cover, the motor shaft of rotor is installed in end cap and the connection cover, motor shaft drives output shaft through gear shift, output shaft drives wheel hub of electric bicycle, gear shift has casing outward, it is characterized in that being shaped on the inlet scoop in the gearbox connection cover, the fan leaf is installed on motor shaft, be shaped on ventilation hole and exhausting duct in the described end cap, exhausting duct has air inlet and air outlet, connects the water proof and dust proof cover in the outside of end cap.
Ventilated cooling rainproof high-speed motor of electric bicycle of the present utility model is shaped on the inlet scoop in the gearbox connection cover, the fan leaf is installed on the motor shaft, is shaped on ventilation hole and exhausting duct in the end cap, and end cap has cover outward.When machine operation, the fan leaf is followed motor and is carried out high speed rotating, hot gas in the motor room is sent to end cap region, and the inlet scoop constantly enters extraneous natural wind, hot blast is delivered to end cap outer wall (can be described as the first area), hot blast flows to exhausting duct (can be described as second area) from the end cap outer wall again, first area and second area are separated by a parabola, discharge hot blast from air outlet at last, reduce the temperature in the motor room effectively, discharging current when reducing electric bicycle work, thus the operating efficiency of raising motor reaches prolongation mileages of continuation and climbing capacity.The water proof and dust proof cover is arranged outside end cap, effectively stop outside foreign material and rainwater to be invaded.
Ventilated cooling rainproof high-speed motor of electric bicycle of the present utility model, its described inlet scoop connect air draught and chew built in the top of connection cover outside the inlet scoop, position, inlet scoop height is avoided into water, have had air draught to chew and have avoided dust, rainwater directly to enter in the motor.Filter screen is installed during its described inlet scoop or air draught are chewed, has been had filter screen that air is filtered, the protection motor.The connection aspiration channel is chewed in its air draught, and filter screen is installed in the aspiration channel, and aspiration channel can be the flexible pipe that materials such as rubber are made, and the mouth of pipe can be installed in a high position, and filter screen filters air.Ventilation hole in its end cap is uniform square hole or circular hole or elliptical aperture or polygonal hole, and the shape in hole is not limit, and the aperture is unsuitable excessive or too small.The air inlet of exhausting duct is positioned at end cap top in its end cap, and air outlet is positioned at the end cap bottom, and air inlet prevents into water on top, the protection motor, and the air outlet water inlet is stopped by the road wall of exhausting duct (or citing approvingly the air channel).Its described exhausting duct is the parabolical exhausting duct of arc, and exhausting duct can be made into other shape in actual product, and exhausting duct has the retaining muscle, is shaped on corresponding groove on the water proof and dust proof cover, and groove matches with the retaining muscle, and it is firm to connect, and helps air draft.The material of its described end cap and water proof and dust proof cover is materials such as plastics or metal.The air inlet of its exhausting duct is positioned at the middle part of end cap, in the air inlet of middle part on-off valve is installed, and water proof and dust proof cover center is shaped on the valve through hole, has had valve to close when stopping or water is arranged, and avoids water to enter in the motor from the external world.The outer wall of its described on-off valve is shaped on manual knob, and the through hole of water proof and dust proof cover is corresponding with manual knob, has had knob to twist knob in water proof and dust proof cover outside, and is easy to operate, and knob is engraved telltale mark.
Description of drawings
Fig. 1 is the structural representation of the utility model ventilated cooling rainproof high-speed motor of electric bicycle;
Fig. 2 is the structural representation of end cap;
Fig. 3 is the A-A cross-sectional schematic of end cap;
Fig. 4 is the structural representation of water proof and dust proof cover;
Fig. 5 is the cross-sectional schematic of water proof and dust proof cover;
Fig. 6 is the assembling schematic diagram that on-off valve and corresponding end cap and water proof and dust proof cover are arranged;
Fig. 7 is the end cover structure schematic diagram that matches with on-off valve;
Fig. 8 is the structural representation of the water proof and dust proof cover that matches with on-off valve;
Fig. 9 is the structural representation of on-off valve;
Figure 10 is the cross-sectional schematic of on-off valve.
Embodiment
The utility model discloses a kind of ventilated cooling rainproof high-speed motor of electric bicycle, as shown in Figure 1, rotor 1 and stator 2 are arranged, stator has casing outward, casing connects end cap 6 and gearbox connection cover 7, casing can be made one with connection cover 7, the motor shaft 4 of rotor is installed in end cap 6 and the connection cover 7, be shaped on change-speed gearing 16 on the motor shaft 4, change-speed gearing drives output shaft 15 through carrier gear group 17, and output shaft drives wheel hub of electric bicycle, gear shift has casing outward, its major technology is characterised in that and is shaped on inlet scoop 71 in the gearbox connection cover 7, and fan leaf 5 is installed on motor shaft 4, is shaped on ventilation hole 61 and exhausting duct 62 in the end cap 6, as shown in Figure 2, exhausting duct 62 has air inlet 63 and air outlet 64, connects water proof and dust proof cover 8 in the outside of end cap 6, effectively stops outside foreign material and rainwater to be invaded.When machine operation, fan leaf 5 is followed motor and is carried out high speed rotating, hot gas in the motor room is sent to end cap 6 zones, and inlet scoop 71 constantly enters extraneous natural wind, hot blast is delivered to end cap 6 outer walls (can be described as the first area), hot blast flows to exhausting duct 62 (can be described as second area) from end cap 6 outer walls again, first area and second area are separated by a parabola, discharge hot blast from air outlet 64 at last, reduce the temperature in the motor room effectively, discharging current when reducing electric bicycle work, thus the operating efficiency of raising motor reaches prolongation mileages of continuation and climbing capacity.Its described inlet scoop 71 is built in the top of connection cover 7, and inlet scoop 71 outer connection air draughts chew 72, and position, inlet scoop height is avoided into water, has had air draught to chew and has avoided dust, rainwater directly to enter in the motor.Its described inlet scoop 71 or air draught are chewed filter screen are installed in 72, have had filter screen that air is filtered, the protection motor.Its air draught is chewed 72 and is connected aspiration channel 73, in the aspiration channel 73 filter screen is installed, and aspiration channel can be a flexible pipe, and the mouth of pipe can be installed in a high position, and filter screen filters air.As Fig. 2, shown in Figure 7, the ventilation hole in its end cap 6 is uniform square hole or circular hole or elliptical aperture or polygonal hole, and the shape in hole is not limit, and the aperture is unsuitable excessive or too small.The air inlet 63 of exhausting duct 62 is positioned at end cap top in its end cap 6, and air outlet 64 is positioned at the end cap bottom, and air inlet prevents into water on top, the protection motor, and the air outlet water inlet is stopped by the road wall of exhausting duct (or citing approvingly the air channel).As Fig. 3-shown in Figure 6, exhausting duct 62 is the parabolical exhausting ducts of arc, also can be made into other shape in actual product, and exhausting duct has retaining muscle 66, is shaped on corresponding groove 82 on the water proof and dust proof cover 8, and groove 82 matches with keeping off muscle 66, and it is firm to connect, and helps air draft.The material of its described end cap 6 and water proof and dust proof cover 8 is materials such as plastics or metal.As Fig. 7, shown in Figure 8, the air inlet 63 of its exhausting duct 62 is positioned at the middle part of end cap 6, and on-off valve 3 is installed in middle part air inlet 65, and water proof and dust proof cover 8 centers are shaped on valve through hole 81, there has been valve when stopping or water is arranged, to close, avoided water to enter in the motor from the external world.As Fig. 9, shown in Figure 10, the outer wall of on-off valve 3 is shaped on manual knob 31, and the through hole 81 of water proof and dust proof cover is corresponding with manual knob 31, has had knob to twist knob in water proof and dust proof cover outside, and is easy to operate, and knob is engraved telltale mark.
Claims (10)
1. ventilated cooling rainproof high-speed motor of electric bicycle, rotor (1) and stator (2) are arranged, stator has casing outward, casing connects end cap (6) and gearbox connection cover (7), the motor shaft of rotor (4) is installed in end cap (6) and the connection cover (7), motor shaft (4) drives output shaft (15) through gear shift, output shaft drives wheel hub of electric bicycle, gear shift has casing outward, it is characterized in that being shaped in the gearbox connection cover (7) inlet scoop (71), go up installation fan leaf (5) at motor shaft (4), be shaped on ventilation hole (61) and exhausting duct (62) in the described end cap (6), exhausting duct (62) has air inlet (63) and air outlet (64), connects water proof and dust proof cover (8) in the outside of end cap (6).
2. ventilated cooling rainproof high-speed motor of electric bicycle as claimed in claim 1 is characterized in that described inlet scoop (71) built in the top of connection cover (7), and (72) are chewed in inlet scoop (71) outer connection air draught.
3. ventilated cooling rainproof high-speed motor of electric bicycle as claimed in claim 2 is characterized in that described inlet scoop (71) or air draught are chewed filter screen is installed in (72).
4. ventilated cooling rainproof high-speed motor of electric bicycle as claimed in claim 2 is characterized in that air draught chews (72) and connect aspiration channel (73), and filter screen is installed in the aspiration channel (73).
5. ventilated cooling rainproof high-speed motor of electric bicycle as claimed in claim 1 is characterized in that the ventilation hole in the end cap (6) is uniform square hole or circular hole or elliptical aperture or polygonal hole.
6. ventilated cooling rainproof high-speed motor of electric bicycle as claimed in claim 1 is characterized in that the air inlet (63) of exhausting duct (62) in the end cap (6) is positioned at end cap top, and air outlet (64) is positioned at the end cap bottom.
7. ventilated cooling rainproof high-speed motor of electric bicycle as claimed in claim 1, it is characterized in that described exhausting duct (62) is the parabolical exhausting duct of arc, exhausting duct has retaining muscle (66), is shaped on corresponding groove (82) on the water proof and dust proof cover (8), and groove (82) matches with retaining muscle (66).
8. ventilated cooling rainproof high-speed motor of electric bicycle as claimed in claim 1 is characterized in that the material of described end cap (6) and water proof and dust proof cover (8) is plastics or metal material.
9. ventilated cooling rainproof high-speed motor of electric bicycle as claimed in claim 1, it is characterized in that the air inlet of exhausting duct (62) is positioned at the middle part of end cap (6), on-off valve (3) is installed in middle part air inlet (65), and water proof and dust proof cover center is shaped on valve through hole (81).
10. ventilated cooling rainproof high-speed motor of electric bicycle as claimed in claim 9 is characterized in that the outer wall of described on-off valve (3) is shaped on manual knob (31), and the valve through hole (81) of water proof and dust proof cover is corresponding with manual knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201076376U CN201018358Y (en) | 2007-03-25 | 2007-03-25 | Electric bicycle ventilation, refrigeration rainproof high-speed electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201076376U CN201018358Y (en) | 2007-03-25 | 2007-03-25 | Electric bicycle ventilation, refrigeration rainproof high-speed electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201018358Y true CN201018358Y (en) | 2008-02-06 |
Family
ID=39058858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201076376U Expired - Fee Related CN201018358Y (en) | 2007-03-25 | 2007-03-25 | Electric bicycle ventilation, refrigeration rainproof high-speed electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201018358Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272073B (en) * | 2007-03-25 | 2010-10-13 | 金碧波 | Ventilated cooling rainproof high-speed motor of electric bicycle |
| CN102602502A (en) * | 2011-01-19 | 2012-07-25 | 金碧波 | Transmission mechanism of rear axle driving speed changing motor of electric vehicle |
| CN102931768A (en) * | 2012-11-09 | 2013-02-13 | 江苏通微电机科技有限公司 | Cooling pump of machine tool |
| CN108377066A (en) * | 2018-03-01 | 2018-08-07 | 深圳市奈士迪技术研发有限公司 | A kind of New energy automobile motor with cleaning function convenient for heat dissipation |
| CN117240012A (en) * | 2023-11-14 | 2023-12-15 | 江西交通职业技术学院 | Electric automobile wheel hub motor with circuit protection |
-
2007
- 2007-03-25 CN CNU2007201076376U patent/CN201018358Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272073B (en) * | 2007-03-25 | 2010-10-13 | 金碧波 | Ventilated cooling rainproof high-speed motor of electric bicycle |
| CN102602502A (en) * | 2011-01-19 | 2012-07-25 | 金碧波 | Transmission mechanism of rear axle driving speed changing motor of electric vehicle |
| CN102602502B (en) * | 2011-01-19 | 2016-04-13 | 金碧波 | The transmission device of electric car rear axle driving variable speed motor |
| CN102931768A (en) * | 2012-11-09 | 2013-02-13 | 江苏通微电机科技有限公司 | Cooling pump of machine tool |
| CN108377066A (en) * | 2018-03-01 | 2018-08-07 | 深圳市奈士迪技术研发有限公司 | A kind of New energy automobile motor with cleaning function convenient for heat dissipation |
| CN108377066B (en) * | 2018-03-01 | 2019-11-05 | 周永新 | A kind of New energy automobile motor with cleaning function convenient for heat dissipation |
| CN117240012A (en) * | 2023-11-14 | 2023-12-15 | 江西交通职业技术学院 | Electric automobile wheel hub motor with circuit protection |
| CN117240012B (en) * | 2023-11-14 | 2024-03-08 | 江西交通职业技术学院 | Electric automobile wheel hub motor with circuit protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20100325 |