CN201816714U - Mechanical variable speed electric hub - Google Patents
Mechanical variable speed electric hub Download PDFInfo
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- CN201816714U CN201816714U CN2010205139287U CN201020513928U CN201816714U CN 201816714 U CN201816714 U CN 201816714U CN 2010205139287 U CN2010205139287 U CN 2010205139287U CN 201020513928 U CN201020513928 U CN 201020513928U CN 201816714 U CN201816714 U CN 201816714U
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Abstract
The utility model discloses a mechanical variable speed electric hub which comprises a motor, a spindle connected with the motor, and a hub arranged on the spindle, and also comprises a gear changing arrangement that is arranged on the spindle and transmits power to the hub so as to enable the hub to rotate at different rotation speeds, wherein the gear changing arrangement comprises at least two gears of changing gear sets, a changing gear in one gear of changing gear set is provided with a supporting part, and the supporting part extends into a shaft hole of the changing gear in the other gear of changing gear set adjacent to the supporting part. By utilizing the mechanical variable speed electric hub, the motor can work with higher efficiency under different working conditions, and the mechanical variable speed electric hub is compact in structure, and small in volume.
Description
Technical field
The utility model relates to the hub technology field of mechanical and power equipment, relates in particular to a kind of mechanical speed change electric wheel hub.
Background technology
Social now, battery-driven cars such as battery-operated motor cycle, Electrical Bicycle are widely used because of easy to use, quick, laborsaving.The wheel hub of existing battery-driven car is equipped with the motor installation position, motor is set, by the rotation of motor-driven wheel hub on it.Motor in the running, during its load variations, its operation point efficient changes thereupon, and every motor all has a maximal efficiency interval; Elec. vehicle is in advancing, with load-carrying and road condition change, load torque must change, the variable effect motor working efficiency of this load torque, and final influence continuation of the journey mileage, under the situation of climbing or heavy load, the motor output torque deficiency, motor stall can occur, generate heat even stop operating.Existing battery-driven car is not adjusted moment of torsion and speed because mechanical transmission is set, so only can promote the use of at region of no relief, can not use under mountain area, hills or heavy duty situation, and therefore, continuing, distance is short, range of use is little.And if add mechanical transmission, can cause volume to strengthen again, use inconvenience.
The utility model content
The utility model purpose is, a kind of mechanical speed change electric wheel hub is provided, and can realize mechanical speed change with compact design, makes motor all can efficiently move under different operating modes.
For solving the problems of the technologies described above, a kind of mechanical speed change electric wheel hub of the present utility model, comprise motor, with motor bonded assembly main shaft, be arranged on the wheel hub on the main shaft, also comprise be arranged on the described main shaft, to wheel hub transferring power and change gear transmission that wheel hub is rotated with different rotating speeds, described change gear transmission comprises at least two grades of change-gear sets, wherein the variable gear in one grade of change-gear set is provided with the support portion, and described support portion is stretched in the axis hole of variable gear in adjacent with it another grade change-gear set.
Preferably, described change gear transmission also comprises output sleeve, speed change joint piece, shift assembly, described output sleeve one end is connected with wheel hub, the other end is connected with one grade of change-gear set wherein by first overriding clutch, described shift assembly is arranged on the described main shaft and can promotes the speed change joint piece and moves, and makes the conducting of described speed change joint piece or cuts off the transmission of power of other grades change-gear set to output sleeve.
Preferably, described shift assembly comprises speed change thimble, shelves key, and described main shaft is provided with passage along its axis direction, and the sidewall of described main shaft is provided with the fluting with described passage conducting, and described shelves key one end stretches in the passage, and the other end stretches out from fluting; Described speed change connector is set on the described main shaft, and its inwall is provided with protruding circle, and described shift thimble stretches in the passage and can promote a grade key and moves, and described shelves protruding circle of key contacts and then promotion speed change joint piece move.
Preferably, described shift assembly also comprises the return elastic component that is arranged on the described main shaft, between motor and speed change joint piece.
Preferably, every grade of change-gear set comprises intermeshing speed change driving gear and speed change driven gear, and the speed change driving gear of each grade change-gear set all connects firmly by same countershaft and motor, and the speed change driven gear all is connected with main shaft by bearing.
Preferably, described change gear transmission also comprises intermeshing reducing gear and miniature gears, and described reducing gear is arranged on the countershaft regularly; The hollow shaft of described miniature gears and rotor is structure as a whole.
Preferably, described change gear transmission comprises:
First grade of change-gear set comprises the intermeshing first speed change driving gear and the first speed change driven gear;
Second grade of change-gear set, comprise the intermeshing second speed change driving gear and the second speed change driven gear, the described second speed change driven gear is provided with the support portion along its axis hole direction, and described support portion is stretched into the axis hole of the described first speed change driven gear and is arranged in the axis hole of output sleeve;
The diameter of the described first speed change driven gear is greater than the diameter of second driven gear, and an end of described output sleeve stretches in the axis hole of the described first speed change driven gear, is connected by first overriding clutch with the described first speed change driven gear.
Preferably, the periphery bore of described speed change joint piece is less than the described output sleeve and the second speed change driven gear shaft bore open, its outer wall two ends are equipped with some splines, correspondingly are provided with some splines on the shaft hole inner wall of described second speed change driven gear and described output sleeve.
Preferably, described change gear transmission comprises:
First grade of change-gear set comprises the intermeshing first speed change driving gear and the first speed change driven gear; The described first speed change driven gear is provided with the support portion along its axis direction, and described support portion is stretched into the axis hole of the following second speed change driven gear and is arranged in the axis hole of lower tooth wheel seat;
Second grade of change-gear set comprises the intermeshing second speed change driving gear and the second speed change driven gear; Also be provided with a pinion stand in the axis hole of the described second speed change driven gear, described pinion stand is connected by one second overriding clutch with the second speed change driven gear;
The third gear change-gear set comprises intermeshing the 3rd speed change driving gear and the 3rd speed change driven gear;
The diameter of the described first speed change driven gear, the second speed change driven gear, the 3rd speed change driven gear successively decreases successively, one end of described output sleeve stretches in the axis hole of the described first speed change driven gear, is connected by first overriding clutch with the described first speed change driven gear.
Preferably, described output sleeve is connected by the 3rd overriding clutch with described wheel hub, described the 3rd overriding clutch comprises the some ratchets of outer wall bonded assembly of an end and described output sleeve and is arranged on unidirectional tooth on the shaft hole inner wall of wheel hub that the other end of described ratchet outwards opens.
Compared with prior art, mechanical speed change electric wheel hub of the present utility model has following advantage:
1, since described main shaft be provided with to wheel hub transferring power and change gear transmission that wheel hub is rotated with different rotating speeds, therefore can realize mechanical speed change, can realize shifting gears according to different situations, thereby guarantee that motor is in optimum Working all the time, promote the continuation of the journey mileage, make motor can adapt to different operating modes, can be under different operating modes with greater efficiency work, can be applicable to climbing or the bigger situation of load, applied range;
2, motor rotation, speed change, output are all finished around a main shaft, and reduced overall volume effectively by the position between variable gear in the change gear transmission is provided with, wheel hub is arranged on the main shaft simultaneously, thereby form motor-wheel hub integral structure, therefore, the utility model compact conformation, occupation space is little, and is practical.
Description of drawings
Fig. 1 is the decomposition texture scheme drawing of the utility model mechanical speed change electric wheel hub embodiment one;
Fig. 2 makes up scheme drawing (not comprising wheel hub) among Fig. 1;
Fig. 3 is the cooperation scheme drawing of each gear among Fig. 1;
Fig. 4 is the decomposition texture scheme drawing of the utility model mechanical speed change electric wheel hub embodiment two;
Fig. 5 makes up scheme drawing (not comprising wheel hub) among Fig. 4;
Fig. 6 is the cooperation scheme drawing of Fig. 4 middle gear speed regulation device.
The specific embodiment
Below in conjunction with accompanying drawing, mechanical speed change electric wheel hub of the present utility model is elaborated by specific embodiment.
Embodiment one
Mechanical speed change electric wheel hub in the present embodiment can be realized two grades of speed changes: promptly shelves reach shelves at a slow speed fast.
Mechanical speed change electric wheel hub in the present embodiment comprises motor 1, main shaft 2, wheel hub 3, is arranged on the change gear transmission between motor 1 and the wheel hub 3.
Change gear transmission comprises shell 4, be arranged on reducing gear in the shell 4, miniature gears and first grade of change-gear set, second grade of change-gear set, shift assembly, speed change joint piece, output sleeve.Wherein:
Reducing gear 5 is meshing with each other with miniature gears 6, and miniature gears 6 is structure as a whole with the hollow shaft of rotor, and reducing gear 5 connects firmly with motor 1 by a countershaft 7, and motor 1 is provided with bearing seat 1a, and countershaft 7 is fixing by bearing and motor 1;
First grade of change-gear set comprises the intermeshing first speed change driving gear 8, the first speed change driven gear 9, second grade of change-gear set comprises the intermeshing second speed change driving gear 10, the second speed change driven gear 11, the first speed change driving gear 8 and the second speed change driving gear 10 all connect firmly with countershaft 7, the first speed change driven gear 9 and the second speed change driven gear 11 all connect by bearing and main shaft 2, under driving wheel drive separately, can rotate around main shaft 2; The axis hole of the first speed change driven gear 9 is provided with along the unidirectional tooth 9a of same direction bevelled, and the wall of the axis hole of the second speed change driven gear 11 is provided with some spline 11a; The diameter of the first speed change driven gear 9 is greater than the diameter of the second speed change driven gear 11.A support portion is extended along axis direction by the axis hole place of the second speed change driven gear 11, and this support portion is stretched in the first speed change driven gear 9, and bearing is set on it, and support output sleeve 16 stretches into the end in the first speed change driven gear 9.This kind set-up mode can make the length of main shaft reduce, thereby reduce overall volume.
The shift assembly comprises shift thimble 12, shelves key 13, retracing spring 14.Main shaft 2 is provided with a passage 2a, stretches into for shift thimble 12, and the sidewall of main shaft 2 is provided with fluting 2b, this fluting 2b is communicated with passage 2a, shelves key 13 is among the passage 2a and is protruding from fluting 2b, and under the promotion of shift thimble 12, shelves key 13 can move along passage 2a and fluting 2b; Retracing spring 14 is set on the main shaft 2, is arranged between the second speed change driven gear 11 and the shelves key 13.
The outer wall two ends of shift joint piece 15 are respectively equipped with spline 15a, 15b, an end that is provided with spline 15a stretches in the axis hole of the second speed change driven gear 11, spline 15a combines with spline 11a in the second speed change driven gear, 11 axis holes, can rotate under the drive of the second speed change driven gear 11; The inwall of speed change joint piece 15 is provided with protruding circle, and shelves key 13 stretches out from fluting 2b, can contact by protruding therewith circle when main shaft 2 axis directions move at it, moves thereby promote speed change joint piece 15.
Be provided with unidirectional tooth in the axis hole of wheel hub 3, the end that output sleeve 16 is provided with ratchet 20 stretches in the axis hole of wheel hub 3, ratchet 20 constitutes the 3rd overriding clutch with unidirectional tooth, make when the rotating speed of wheel hub 3 during faster than the rotating speed of output sleeve 16, contract in the ratchet 20, wheel hub 3 can not drive output sleeve 16 and rotate, and wheel hub 3 separates with output sleeve 16; When the rotating speed of wheel hub 3 during less than the rotating speed of output sleeve 16, ratchet 20 combines with unidirectional tooth, makes wheel hub 3 rotate under the drive of output sleeve 16.The inwall of output sleeve 16 is provided with some splines; The end that shift joint piece 15 is provided with spline 15b stretches in the output sleeve 16, and spline 15b combines with spline in the output sleeve, makes output sleeve 16 to be driven and to rotate thereupon by shift joint piece 15.
Below the working process and the principle of the mechanical speed change electric wheel hub in the present embodiment described.
1, at high speed shelves work:
Under the normality, spline 15a, the 15b at the outer wall two ends of shift joint piece 15 respectively with the second speed change driven gear 11 in spline 11a, the splined engagement in the output sleeve 16.When motor 1 rotated, miniature gears 6 drove reducing gear 5 and rotates, and 5 pairs of motors 1 of reducing gear slow down.Because reducing gear 5, the first speed change driving gear 8 and the second speed change driving gear 10 all connect firmly with countershaft 7, binding is an integral body, and therefore, reducing gear 5 drives the first speed change driving gear 8 when rotating and the second speed change driving gear 10 rotates simultaneously.The second speed change driving gear 10 drives the second speed change driven gear 2 11 and rotates, the second speed change driven gear 11 drives speed change joint piece 15 and rotates, speed change joint piece 15 drives output sleeve 16 and rotates, and output sleeve 16 drives wheel hub 3 and rotates, thereby realizes the takeoff output of shelves fast.This moment, the first speed change driving gear, the 8 same first speed change driven gears 9 that drive rotated, because gear rotates the relation of ratio, the rotating speed of the first speed change driven gear 9 is slower than the rotating speed of output sleeve 16, and 9 pairs of output sleeves 16 of the first speed change driven gear do not have induced effect.
2, with shelves work at a slow speed:
When being in climbing or load-carrying when big, need to increase torsion, at this moment, promote shift thimble 12, shift thimble 12 moves forward, and then a promotion shelves key 13 moves, shelves key 13 acts on the protruding circle of speed change joint piece 15 in-to-ins, and speed change joint piece 15 is pushed forward, and the spline 15b in the speed change joint piece 15 is separated with the spline of output sleeve 16, cut off the transferring power effect of 11 pairs of output sleeves 16 of the second speed change driven gear, thereby realize by quick shelves to the switching of shelves at a slow speed.At this moment, the rotating speed of the first speed change driven gear 9 is faster than the rotating speed of output sleeve 16, therefore unidirectional tooth 9a combines with the ratchet 18 of output sleeve 16, the first speed change driven gear 9 that is driven by the first speed change driving gear 8 drives output sleeve 16 rotations, and output sleeve 16 drives wheel hub 3 rotations, thereby realizes the takeoff output of shelves at a slow speed.
When climbing finishes or load-carrying alleviates when needing raising speed, cancel thrust to shift thimble 12, under retracing spring 14 effects, speed change joint piece 15 is got back to the normality position, the spline combination once more of spline 15b on it and output sleeve 16, the second speed change driven gear 11 recovers output sleeve 16 transferring power, comes back to quick shelves.
Mechanical speed change electric wheel hub in the present embodiment is because the axis hole of miniature gears 6, the second speed change driven gear 11, the first speed change driven gear 9, output sleeve 16, wheel hub 3 is equipped with bearing links to each other with main shaft 2, therefore, in the various rotations that are in operation, main shaft 2 and motor housing, motor stator does not all rotate.
Mechanical speed change electric wheel hub in the present embodiment, motor rotation, speed change, output are all finished around a main shaft 2.
Mechanical speed change electric wheel hub in the present embodiment; owing to be provided with unidirectional tooth in the axis hole of wheel hub 3; link with the ratchet 20 of output sleeve 16; when motor rotates; output sleeve 16 is passed to wheel hub 3 with combining of ratchet 20 with power by the unidirectional tooth in the wheel hub 3; when motor stops operating; speed of a motor vehicle inertia makes the rotating speed of wheel hub 3 faster than output sleeve 16; make in the ratchet 20 and contract; wheel hub 3 separates with output sleeve 16, cuts off the recoil electro ultrafiltration of speed of a motor vehicle inertia to motor, protection motor and battery; alleviate motor simultaneously to the resistance that car body slides, reach the long effect of mileages of continuation.
Mechanical speed change electric wheel hub in the present embodiment be owing to can realize shifting gears according to different situations, thereby guarantees that motor is in optimum Working all the time, raises the efficiency.
Embodiment two
The mechanical speed change electric wheel hub can be realized three class gear shift in the present embodiment: high speed gear, mid ranger, shelves at a slow speed.
Present embodiment middle gear transmission system comprises first grade of change-gear set, second grade of change-gear set, third gear change-gear set, first grade of change-gear set comprises the intermeshing first speed change driving gear 8, the first speed change driven gear 9, second grade of change-gear set comprises the intermeshing second speed change driving gear 10, the second speed change driven gear 11, is arranged at the pinion stand 23 in the second speed change driven gear 11, and the third gear change-gear set comprises intermeshing the 3rd speed change driving gear 21 and the 3rd speed change driven gear 22.
The first speed change driving gear 8 and the second speed change driving gear 10, the 3rd speed change driving gear 21 all connect firmly with countershaft 7, the first speed change driven gear 9 and the second speed change driven gear 11, the 3rd speed change driven gear 22 all connect by bearing and main shaft 2, under driving wheel drive separately, can rotate around main shaft 2; The axis hole of the first speed change driven gear 9 is provided with along the unidirectional tooth 9a of same direction bevelled, and the wall of the axis hole of the second speed change driven gear 11 is provided with some unidirectional teeth; The diameter of the first speed change driven gear 9, the second speed change driven gear 11, the 3rd speed change driven gear 22 successively decreases successively.A support portion is extended along axis direction by the axis hole place of the 3rd speed change driven gear 22, and this support portion is stretched in the second speed change driven gear 11, on this support portion bearing is set, support teeth wheel seat 23.This kind set-up mode can make the length of main shaft reduce, thereby reduce overall volume.The outer wall two ends of pinion stand 23 are respectively equipped with ratchet 24, and fix by jump ring 25 and pinion stand 23 outer walls, and under the effect of jump ring 25, ratchet 24 1 ends are nature and open shape, and ratchet 24 inwardly shrinks when being subjected to external pressure; The inwall of pinion stand 23 is provided with spline 23a, can drive speed change joint piece 15 and rotate when spline 23a combines with the spline 15a of speed change joint piece 15.The shaft hole inner wall of the second speed change driven gear 11 is provided with unidirectional tooth, this unidirectional tooth and ratchet 24 form second overriding clutch, pinion stand 23 stretches in the axis hole of the second speed change driven gear 11, when the rotating speed of the second speed change driven gear 11 during greater than the rotating speed of pinion stand 23, ratchet 24 on it and unidirectional tooth can in conjunction with, make the second speed change driven gear, 11 driven gear seats 23 rotate, when the rotating speed of the second speed change driven gear 11 during less than the rotating speed of pinion stand 23, ratchet 24 retractions, ratchet 24 can not combine with unidirectional tooth, and 11 pairs of pinion stands of the second speed change driven gear 23 form idle running.
The outer wall two ends of shift joint piece 15 are respectively equipped with spline 15a, 15b, an end that is provided with spline 15a stretches in the axis hole of the 3rd speed change driven gear 22, spline 15a combines with spline in the 3rd speed change driven gear 22 axis holes, can rotate under the drive of the 3rd speed change driven gear 22; The inwall of speed change joint piece 15 is provided with protruding circle, and shelves key 13 stretches out from fluting 2b, can contact by protruding therewith figure when main shaft 2 axis directions move at it, moves thereby promote speed change joint piece 15.
Remaining structure is identical with embodiment one, repeats no more herein.
Below the working process and the principle of mechanical speed change electric wheel hub in the present embodiment described.
1, with shelves work at a slow speed:
Speed change joint piece 15 combines with the shaft hole inner wall of output sleeve 16 under the normality, and this moment, the speed change joint piece 15 and the axis hole of the 3rd speed change driven gear 22 and the axis hole of pinion stand 23 were in released state.When high speed DC machine 1 was rotated, miniature gears 6 drove reducing gear 5 and rotates, because outside diameter of gear ratiometric relation, 5 pairs of high speed DC machine 1 of reducing gear are slowed down.Because reducing gear 5, the first speed change driving gear 8, the second speed change driving gear 10 the 3rd speed change driving gear 21 all connect firmly with countershaft 7, binding is an integral body, driving the first speed change driving gear 8, the second speed change driving gear 10, the 3rd speed change driving gear 21 when therefore, reducing gear 5 is rotated rotates simultaneously.The first speed change driving gear 8 drives the first speed change driven gear 9 and rotates, the unidirectional tooth 9a of the first speed change driven gear 9 combines with the ratchet 18 of output sleeve 16, drive output sleeve 16 and rotate, output sleeve 16 drives wheel hubs 3 and rotates, thereby realizes the first grade-takeoff output of shelves at a slow speed.The 3rd speed change driven gear 22, the second speed change driven gear 11 rotate equally at this moment, since the axis hole of speed change joint piece 15 and the 3rd speed change driven gear 22 and with the axis hole of pinion stand 23 are released states, therefore, the 3rd speed change driven gear 22, the second speed change driven gear 11 are in idling conditions.
2. with mid ranger work:
Promote shift thimble 12, and then shift thimble 12 promotion shelves keys 13 move, shelves key 13 promotes speed change joint piece 15 and moves, make that spline 15a on the speed change joint piece 15 combines with the spline 23a of pinion stand 23, the spline 15b on the speed change joint piece 15 and the splined engagement of output sleeve 16, the second speed change driven gear, 11 driven gear seats 23, pinion stand 23 drives speed change joint piece 15, variable speed drum joint piece 15 drives output sleeve 16, and output sleeve 16 drives wheel hub 3 rotations, thereby realizes the takeoff output of second grade-mid ranger.This moment, the 3rd speed change driven gear 22 still was in idling conditions, and the rotating speed of the first speed change driven gear 9 is slower than output sleeve 16, and therefore, the first speed change driven gear 9 also is in idling conditions.
3. at high speed retaining work:
Promote shift thimble 12, and then a promotion shelves key 13 moves, shelves key 13 and then promotion speed change joint piece 15 move, the spline 15a of speed change joint piece 15 is combined with the spline 22a of the 3rd speed change driven gear 22, the spline of the spline 15b of speed change joint piece 15 and output sleeve 16 links, the 3rd speed change driven gear 22 drives speed change joint piece 15, speed change joint piece 15 drives output sleeve 16, and output sleeve 16 drives wheel hub 3 and rotates, thereby realizes the takeoff output of third gear-high speed gear.This moment, the rotating speed rotating speed that is slower than pinion stand 23, the first speed change driven gears 9 of the second speed change driven gear 11 was slower than output sleeve 16, and therefore, the second speed change driven gear 11 and the first speed change driven gear 9 are in idling conditions.
Mechanical speed change electric wheel hub in the present embodiment, when electric vehicle need be climbed or load-carrying need increase torsion the time, can change operational taps, speed is reduced, as transfer to by high speed gear mid ranger or at a slow speed shelves, under the effect of retracing spring 14, change the position of speed change joint piece 15, thereby realize the conversion between high speed gear and mid ranger and the low gear.After climbing or load-carrying situation finish, act on the speed change joint piece by shift thimble, a shelves key, make the speed change joint piece change the position, thereby realize that shelves are to the conversion of middling speed retaining, top gear at a slow speed.
Only be preferred implementation of the present utility model below, should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with the determined scope of claim.For those skilled in the art, in not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. mechanical speed change electric wheel hub, comprise motor, with motor bonded assembly main shaft, be arranged on the wheel hub on the main shaft, it is characterized in that, also comprise be arranged on the described main shaft, to wheel hub transferring power and change gear transmission that wheel hub is rotated with different rotating speeds, described change gear transmission comprises at least two grades of change-gear sets, wherein the variable gear in one grade of change-gear set is provided with the support portion, and described support portion is stretched in the axis hole of variable gear in adjacent with it another grade change-gear set.
2. mechanical speed change electric wheel hub as claimed in claim 1, it is characterized in that, described change gear transmission also comprises output sleeve, speed change joint piece, shift assembly, described output sleeve one end is connected with wheel hub, the other end is connected with one grade of change-gear set wherein by first overriding clutch, described shift assembly is arranged on the described main shaft and can promotes the speed change joint piece and moves, and makes the conducting of described speed change joint piece or cuts off the transmission of power of other grades change-gear set to output sleeve.
3. mechanical speed change electric wheel hub as claimed in claim 2, it is characterized in that, described shift assembly comprises speed change thimble, shelves key, described main shaft is provided with passage along its axis direction, the sidewall of described main shaft is provided with the fluting with described passage conducting, described shelves key one end stretches in the passage, and the other end stretches out from fluting; Described speed change connector is set on the described main shaft, and its inwall is provided with protruding circle, and described shift thimble stretches in the passage and can promote a grade key and moves, and described shelves protruding circle of key contacts and then promotion speed change joint piece move.
4. mechanical speed change electric wheel hub as claimed in claim 3 is characterized in that, described shift assembly also comprises the return elastic component that is arranged on the described main shaft, between motor and speed change joint piece.
5. mechanical speed change electric wheel hub as claimed in claim 1, it is characterized in that, every grade of change-gear set comprises intermeshing speed change driving gear and speed change driven gear, the speed change driving gear of each grade change-gear set all connects firmly by same countershaft and motor, and the speed change driven gear all is connected with main shaft by bearing.
6. mechanical speed change electric wheel hub as claimed in claim 5 is characterized in that described change gear transmission also comprises intermeshing reducing gear and miniature gears, and described reducing gear is arranged on the countershaft regularly; The hollow shaft of described miniature gears and rotor is structure as a whole.
7. mechanical speed change electric wheel hub as claimed in claim 2 is characterized in that, described change gear transmission comprises:
First grade of change-gear set comprises the intermeshing first speed change driving gear and the first speed change driven gear;
Second grade of change-gear set, comprise the intermeshing second speed change driving gear and the second speed change driven gear, the described second speed change driven gear is provided with the support portion along its axis hole direction, and described support portion is stretched into the axis hole of the described first speed change driven gear and is arranged in the axis hole of output sleeve;
The diameter of the described first speed change driven gear is greater than the diameter of second driven gear, and an end of described output sleeve stretches in the axis hole of the described first speed change driven gear, is connected by first overriding clutch with the described first speed change driven gear.
8. mechanical speed change electric wheel hub as claimed in claim 7, it is characterized in that, the periphery bore of described speed change joint piece is less than the described output sleeve and the second speed change driven gear shaft bore open, its outer wall two ends are equipped with some splines, correspondingly are provided with some splines on the shaft hole inner wall of described second speed change driven gear and described output sleeve.
9. mechanical speed change electric wheel hub as claimed in claim 2 is characterized in that, described change gear transmission comprises:
First grade of change-gear set comprises the intermeshing first speed change driving gear and the first speed change driven gear; The described first speed change driven gear is provided with the support portion along its axis direction, and described support portion is stretched into the axis hole of the following second speed change driven gear and is arranged in the axis hole of lower tooth wheel seat;
Second grade of change-gear set comprises the intermeshing second speed change driving gear and the second speed change driven gear; Also be provided with a pinion stand in the axis hole of the described second speed change driven gear, described pinion stand is connected by one second overriding clutch with the second speed change driven gear;
The third gear change-gear set comprises intermeshing the 3rd speed change driving gear and the 3rd speed change driven gear;
The diameter of the described first speed change driven gear, the second speed change driven gear, the 3rd speed change driven gear successively decreases successively, one end of described output sleeve stretches in the axis hole of the described first speed change driven gear, is connected by first overriding clutch with the described first speed change driven gear.
10. mechanical speed change electric wheel hub as claimed in claim 2, it is characterized in that, described output sleeve is connected by the 3rd overriding clutch with described wheel hub, described the 3rd overriding clutch comprises the some ratchets of outer wall bonded assembly of an end and described output sleeve and is arranged on unidirectional tooth on the shaft hole inner wall of wheel hub that the other end of described ratchet outwards opens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205139287U CN201816714U (en) | 2010-08-31 | 2010-08-31 | Mechanical variable speed electric hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205139287U CN201816714U (en) | 2010-08-31 | 2010-08-31 | Mechanical variable speed electric hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201816714U true CN201816714U (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205139287U Expired - Fee Related CN201816714U (en) | 2010-08-31 | 2010-08-31 | Mechanical variable speed electric hub |
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| Country | Link |
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| CN (1) | CN201816714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840604A (en) * | 2014-03-27 | 2014-06-04 | 李跃岩 | Electric vehicle variable speed drive hub |
| CN111703294A (en) * | 2020-07-22 | 2020-09-25 | 西南大学 | Double support electric drive wheel |
-
2010
- 2010-08-31 CN CN2010205139287U patent/CN201816714U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840604A (en) * | 2014-03-27 | 2014-06-04 | 李跃岩 | Electric vehicle variable speed drive hub |
| CN103840604B (en) * | 2014-03-27 | 2016-09-28 | 临海赫士利电动科技有限公司 | Electric motor car variable speed drives wheel hub |
| CN111703294A (en) * | 2020-07-22 | 2020-09-25 | 西南大学 | Double support electric drive wheel |
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Granted publication date: 20110504 Termination date: 20130831 |