CN201849248U - Automatic gear shifting wheel hub with sliding barrier - Google Patents
Automatic gear shifting wheel hub with sliding barrier Download PDFInfo
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- CN201849248U CN201849248U CN2010205546832U CN201020554683U CN201849248U CN 201849248 U CN201849248 U CN 201849248U CN 2010205546832 U CN2010205546832 U CN 2010205546832U CN 201020554683 U CN201020554683 U CN 201020554683U CN 201849248 U CN201849248 U CN 201849248U
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Abstract
The utility model belongs to the technical field of wheels, and aims at solving the problem that the original fulcrum shaft is provided with a guide slot and a regulating rod hole, so that the strength of the fulcrum shaft is reduced, and the fulcrum is easy to deform and crack, thus affecting the driving safety. The automatic gear shifting wheel hub with a sliding barrier comprises a hub ring, an end surface, a power cord and a motor shaft, wherein a hollow output shaft and an input shaft are arranged in a gearbox casing, the fulcrum shaft is arranged in a shaft hole in the hollow output shaft, the input shaft is connected with the motor shaft in a transmission manner, and the hollow output shaft is connected with the hub ring in a transmission manner and provided with a barrier moving groove and at least two rotatable driven gears; a drive gear is correspondingly fixed on the input shaft, an inner groove is arranged on the wall of the shaft hole on the driven gear, the fulcrum shaft is provided with the barrier which can be clamped in the inner groove, and the inner side of the end surface is provided with a slop groove on which a centrifugal roller is arranged; and a push plate or a movable plate is pushed during the centrifugation of the centrifugal roller so that the switching between a first gear driven gear and a second gear driven gear can be controlled and the purpose of automatic gear shifting can be achieved, thereby improving the power output performance of a motor of an electric vehicle.
Description
Technical field
The utility model belongs to the wheel technical field.
Background technology
Notification number CN201501246 discloses a kind of slip blind speed-variating hub, and it mainly comprises the hub circle, is provided with motor and gearbox body in the hub circle, is fixed with the hollow fulcrum that stretches out an end face of hub circle on the motor, and hollow fulcrum is provided with guide groove and adjust bar hole.The hollow fulcrum of the wheel hub of this structure has increased rigidity and the intensity that difficulty of processing has also weakened fulcrum greatly because of being provided with adjust bar hole and guide groove, and fulcrum will easy deformation and fracture like this, the safety of the driving that can threaten.In addition, whether chaufeur will be analyzed the ground-surface situation will carry out gear shift, and this carries out having brought inconvenience according to the speed of a motor vehicle of different road conditions control battery-driven cars for the battery-driven car chaufeur, just because this inconvenience directly influences the performance of the power optimum performance of electric vehicle motor.Exist shift smooth flexibly in the existing armstrong's patent shift motor technology, and do not have to solve the battery-driven car rotating speed autoshift different with motor at all, realize different takeoff outputs according to different road conditions along problem.
The utility model content
The purpose of this utility model be to provide a kind of fulcrum good rigidly intensity height, fulcrum be difficult for twisting strain and fracture, again can autoshift, the slip blind automatic gear shift hub of driving a vehicle safer.
For realizing the purpose of this utility model, first kind of technical scheme of the present utility model is: a kind of slip blind automatic gear shift hub, comprise the hub circle, the hub circle is provided with end face, end face central authorities are provided with branched shaft hole, and described end face inboard is provided with the slope groove, are provided with centrifugal roller in the groove of slope, centrifugal roller side place is provided with the passing plate, and it constitutes the centrifugal axial thrust of a roller mechanism described end face, slope groove, centrifugal roller and passing plate; Be provided with fulcrum in the described branched shaft hole, power lead is located in the fulcrum, and motor is fixed on the fulcrum; Be fixed with gearbox body on the described motor, rotate in the described gearbox body and be provided with hollow output shaft and input shaft, described input shaft and motor shaft driving coupling, described hollow output shaft and hub circle driving coupling; Described hollow output shaft is provided with at least two driven gears, driven gear can rotate on hollow output shaft, the corresponding driving gear that is fixed with the driven gear engaged transmission on the described input shaft, described input shaft and the driving gear on it are formed a gear cluster; Described hollow output shaft is provided with the blind loose slot, and described driven gear inner hole wall is provided with inner groovy, is provided with the blind that is in the blind loose slot in the described axis hole, and the external part of blind can snap in the inner groovy.
For realizing same purpose of the present utility model, second kind of technical scheme of the present utility model is: a kind of slip blind automatic gear shift hub, comprise the hub circle, the hub circle is provided with end face, end face central authorities are provided with branched shaft hole, and described end face inboard is provided with shifting board, and the shifting board end is provided with the slope groove, be provided with centrifugal roller in the groove of slope, it constitutes the centrifugal axial thrust of a roller mechanism described end face, shifting board, slope groove and centrifugal roller; Be provided with fulcrum in the described branched shaft hole, power lead is located in the fulcrum, and motor is fixed on the fulcrum; Be fixed with gearbox body on the described motor, rotate in the described gearbox body and be provided with hollow output shaft and input shaft, described input shaft and motor shaft driving coupling, described hollow output shaft and hub circle driving coupling; Described hollow output shaft is provided with at least two driven gears, driven gear can rotate on hollow output shaft, the corresponding driving gear that is fixed with the driven gear engaged transmission on the described input shaft, described input shaft and the driving gear on it are formed a gear cluster; Described hollow output shaft is provided with the blind loose slot, and described driven gear inner hole wall is provided with inner groovy, is provided with the blind that is in the blind loose slot in the described axis hole, and the external part of blind can snap in the inner groovy.
The two ends of fulcrum extend out to hub circle both ends of the surface outside, and behind a fixed pivot axis two ends, because fulcrum and motor are fixed together, motor and gearbox body are fixed together, and are fixed so motor is relative with gearbox body, and the hub circle can rotate around fulcrum.The motor energized, motor shaft produces rotation, rotates thereby drive input shaft, and a plurality of driving gears of input shaft rotate thereupon, and the driven gear that is engaged with is rotation thereupon also.Regulate the position of blind in axis hole by passing plate or shifting board and retracing spring, making blind stretch out the outer part of blind loose slot snaps in the inner groovy of single driven gear, this driven gear drives hollow output shaft and rotates, hollow output shaft drives the hub circle and rotates around fulcrum, and this moment, remaining driven gear rotated around hollow output shaft.By driving gear and the driven gear that many group sizes have nothing in common with each other is set, again by regulating the position of blind in axis hole, the pairing driven gear of blind is combined with hollow output shaft realize speed governing, can realize the rotating speed of multistage automatically regulating speed change and then adjusting hub circle.
Fulcrum of the present utility model is a solid integral body, does not establish guide groove and adjust bar hole, and its intensity height, good rigidly have solved the problem that threatens traffic safety.Can regulate the position of blind at axis hole at the inner directly automatically regulating of hub circle, it regulates directly simple relatively.In addition, in the hub circle, a plurality of motors can be set, under certain thickness condition, can strengthen the power of whole electric wheel hub, improve the tractive performance of electric wheel hub at the sidepiece of fulcrum; The diameter difference of the generator shaft gear of a plurality of motors, each motor be independent drive hub circle respectively, also can realize the variable block operation, and wherein the part motor damages, and still can work.
Description of drawings
Fig. 1 is the solid assembling decomposition chart of first kind of embodiment of the utility model slip blind automatic gear shift hub;
Fig. 2 is the sectional structure chart after first kind of embodiment assembling of the utility model slip blind automatic gear shift hub;
Fig. 3 is fulcrum, hollow output shaft, blind, driven gear, driving gear, input shaft, jump ring, retracing spring, the input shaft gear of the utility model slip blind automatic gear shift hub, the solid assembling decomposition chart of motor shaft;
Fig. 4 is the solid assembling decomposition chart of second kind of embodiment of the utility model slip blind automatic gear shift hub;
Fig. 5 is the sectional structure chart after second kind of embodiment assembling of the utility model slip blind automatic gear shift hub;
Fig. 6 is the shifting board three-dimensional structure diagram of second kind of embodiment of the utility model slip blind automatic gear shift hub;
Fig. 7 is the motor casing three-dimensional structure diagram of the utility model slip blind automatic gear shift hub;
Fig. 8 removes the plane structure chart of end face for the utility model slip blind automatic gear shift hub;
Fig. 9 is the solid assembling decomposition chart of the third embodiment of the utility model slip blind automatic gear shift hub;
Figure 10 is the solid assembling decomposition chart of the 4th kind of embodiment of the utility model slip blind automatic gear shift hub.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the utility model slip blind automatic gear shift hub is described in further detail.
As shown in FIG., the hub circle 1 of the utility model slip blind automatic gear shift hub, end face 2, motor 3, adjust bar 4, hollow output shaft 5, input shaft 6, brake 7, branched shaft hole 8, driven gear 9, driving gear 10, inner groovy 11, blind loose slot 12, blind 13, axis hole 15, nut 17, slope groove 19, fulcrum 20, gearbox body 21, centrifugal roller 22, pass plate 23, shifting board 24, motor casing 25, motor shaft mounting hole 26, annular neutral 28, boss 33, unilateral bearing 34, driver blade 35, groove 36, projection 37, damper element 38, motor shaft bearing 41, hollow output shaft bearing 42, bearing of input shaft 43, input shaft gear 45, motor shaft 46, generator shaft gear 47, prop up axle bearing 49, hollow output shaft axis hole 52, jump ring 56, power lead 59, input shaft axis hole 60, pilot hole 63, retracing spring 68, power lead hole 70, brake disc 71.
When motor 3 energized, motor shaft 46 produces rotation, generator shaft gear 47 on the motor shaft 46 rotates thereupon, generator shaft gear 47 engagement input shaft gears 45 rotate, input shaft gear 45 drives input shaft 6 and driving gear 10 rotates, and under the initial condition, retracing spring 68 pushes up blind 13 position of the inner groovy 11 of first speed driven gear 9, first speed driven gear 9 and hollow output shaft 5 are in conjunction with rotating, and the driven gear 9 of second gear is around hollow output shaft 5 idle running.Just by one grade driven gear 9 drives, the centrifugal roller 22 that be located at slope groove 19 the insides this moment also is in not apocarpy to hollow output shaft 5 at this moment, and shifting board 24 or passing plate 23 also are in not mobile status.The power of motor is sent to one grade driven gear 9 by driving gear 10 at this moment, one grade driven gear 9 drives hollow output shaft 5 rotations by blind 13, hollow output shaft 5 by driver blade 35 again with transmission of power on end face 2 and hub circle 1, hub circle 1 rotates around fulcrum 20.Thereby finish one grade takeoff output, otherwise the speed of vehicle also is that the slowest moment of torsion is maximum.
When the rotating speed rising of motor 3 and end face 2 reaches certain rotating speed, the centrifugal inertial force of end face 2 and shifting board 24 increases, the centrifugal roller 22 that is placed in 19 li of slope grooves along slope groove 19 by the outside centrifugal rolling of lining radius vector, because of the space of laying the slope groove 19 at centrifugal roller 22 places big outer narrow in being, centrifugal roller produces axial thrust and moves when passing plate 23 or the radially outward centrifugal rolling of shifting board 24, force shifting board 24 when centrifugal roller 22 is centrifugal along the slope or pass the pressure that plate 23 overcomes retracing spring 68, make shifting board 24 or pass plate 23 when moving blind 13 is advanced to the inside, be pushed driven gear 9 positions of leaving one grade when blind 13, snap in blind 13 in the inner groovy 11 of driven gear 9 of second gear, the driven gear 9 of second gear and hollow output shaft 5 combinations, this moment, hollow output shaft 5 was just driven by the driven gear 9 of second gear, power is sent to the driven gear 9 of second gear by driving gear 10, the driven gear 9 of second gear drives hollow output shaft 5 rotations by blind 13, hollow output shaft 5 by driver blade 35 again with transmission of power on end face 2 and hub circle 1, hub circle 1 rotates around fulcrum 20.Thereby finish the takeoff output of second gear, the speed of vehicle also is the fastest.
Be fixed with driver blade 35 on the described hollow output shaft 5, described driver blade 35 is provided with projection 37, and described end face 2 inboards are provided with the groove 36 that can insert projection 37 and damper element 38.When hollow output shaft 5 runnings,, can learn 35 rotations of driving driver blade by foregoing description, driver blade 35 is when end face 2 rotations, make the damper element 38 of 36 li of projection 37 roof pressure grooves, drive end face 2 by damper element 38 afterwards hub circle 1 is rotated together, realize the damping, buffering purpose.
Described slip blind automatic gear shift hub comprises hub circle 1, and two end face 2 central authorities of hub circle 1 are respectively equipped with branched shaft hole 8, are provided with a unitary solid fulcrum 20 in described two branched shaft holes 8.A unitary solid fulcrum 20 both had been convenient to make processing, was convenient to assembling again, had both had favorable rigidity and support strength compared with being provided with the hollow fulcrum of guide groove and adjust bar hole.Be provided with axle bearing 49 between end face 2 and the fulcrum 20, so as end face 2 can be on fulcrum 20 high speed rotating.
Be provided with motor 3 in the described hub circle 1, the power lead 59 of motor 3 extends out from fulcrum 20.Described motor 3 is fixed on the sidepiece of fulcrum 20, and motor shaft 46 is arranged with the axis parallel of fulcrum 20.Motor shaft 46 outer ends are provided with generator shaft gear 47.Be provided with unilateral bearing 34 between generator shaft gear 47 and the motor shaft 46.Unilateral bearing 34 can only unidirectionally relatively rotate, a suitable ratchet snap-in structure.When the rotating speed of generator shaft gear 47 during greater than the rotating speed of motor shaft 46, motor shaft 46 can not be rotated along with the rotation of generator shaft gear 47, rotor just can passive rotation, vehicle can be not slack-off because of the influence speed of the magnetic field resistance that is subjected to rotor and stator like this, and vehicle slides the resistance that Shi Buhui is subjected to motor.When using a plurality of motor, one of them motor damages the rotation that also can not hinder other motor.
Be fixed with gearbox body 21 on the described motor 3, gearbox body 21 can be fixed on the shell of motor 3, also can make an integral structure housing with the shell of motor 3.Correspondence is provided with input shaft axis hole 60 and hollow output shaft axis hole 52 on described gearbox body 21 sidewalls, and the number of input shaft axis hole 60 can be set according to the number of set input shaft 6.Rotate respectively in described hollow output shaft axis hole 52 and the input shaft axis hole 60 and be provided with hollow output shaft 5 and input shaft 6, fulcrum 20 passes hollow output shaft axis hole 52, and described hollow output shaft 5 is set on the fulcrum 20 coaxially.Also be respectively equipped with hollow output shaft bearing 42 and bearing of input shaft 43 in described input shaft axis hole 60 and the hollow output shaft axis hole 52, so that hollow output shaft 5 and input shaft 6 high speed rotating in hollow output shaft axis hole 52 and input shaft axis hole 60 respectively.Described input shaft 6 and motor shaft 46 driving coupling, an end of input shaft 6 is provided with input shaft gear 45, input shaft gear 45 and generator shaft gear 47 engagements, single input shaft 6 and the driving gear 10 that is fixed on this input shaft 6 are formed a gear cluster.Described hollow output shaft 5 and hub circle 1 driving coupling, described hollow output shaft 5 is set on the fulcrum 20, the axial line of the axial line of hollow output shaft 5 and fulcrum 20 is in same axis, and hollow output shaft 5 is stretched out an end and described end face 2 driving coupling of hollow output shaft axis hole 52.
Described hollow output shaft 5 is provided with at least two driven gears 9, driven gear 9 can rotate on hollow output shaft 5, each driven gear 9 diameter differences, correspondence is fixed with and described each driven gear 9 ingear driving gears 10 on same input shaft 6.The utility model is fixed on the hollow output shaft 5 by the jump ring 56 that is stuck in the circular groove being provided with 9, two driven gears 9 of two driven gears on the hollow output shaft 5, and the diameter of each driven gear 9 on the hollow output shaft 5 is inequality, forms the multi-change speed gear.
Described hollow output shaft 5 is provided with blind loose slot 12, and the length of blind loose slot 12 arrives the distance of the driven gear 9 of outermost end greater than the driven gear 9 of inner terminal.Blind loose slot 12 of the present utility model is four, and each blind loose slot 12 is evenly distributed on the sidewall of hollow output shaft 5, its groove to the axially parallel of hollow output shaft 5.Described driven gear 9 is provided with inner groovy 11, and the number of inner groovy 11 is identical with the number of blind loose slot 12, also is the inboard that is evenly distributed on driven gear 9, and the position is also corresponding mutually with the position of blind loose slot 12.Be provided with blind 13 in the axis hole 15 of hollow output shaft 5, blind 13 is a cross bar shape, and four ends of blind 13 cross bares are stretched out outside the blind loose slot 12 and can be slided in blind loose slot 12.Described blind 13 is provided with the pilot hole 63 that is in same axis with hollow output shaft 5, and described fulcrum 20 is located in the pilot hole 63, and blind 13 can be axially with radially movable on fulcrum 20 like this.
Described blind 13 axial end portions contact has shifting board 24 or passes the sleeve pipe that plate 23 extends, promoting blind 13 moves in axis hole 15, blind 13 other ends are provided with the retracing spring 68 that can make its return and snap in inner groovy 11, retracing spring 68 is enclosed within on the fulcrum 20, and retracing spring 68 can not push back blind 13 in one grade the inner groovy 11 of driven gear 9 when centrifugal roller 22 is centrifugal.
Described end face 2 is provided with slope groove 19, the slope groove is laid centrifugal roller 22 for 19 li, the position in axis hole 15 that centrifugal roller 22 axially promotes shifting board 24 or passes plate 23 and blind 13 when centrifugal makes blind 13 stretch out blind loose slot 12 outer parts and snaps in one by one in the inner groovy 11 of different driven gear 9.After blind 13 snapped in the inner groovy 11 of a driven gear 9, this driven gear 9 just rotated relative to being connected with hollow output shaft 5, and other driven gear 9 still can be around hollow output shaft 5 rotations.Can realize the variable block operation.Hence one can see that, controls interlock between driven gear 9 and the hollow output shaft 5 by regulating blind 13, can realize the adjusting of two-stage speed change.The rest may be inferred, a plurality of driving gears 10 and driven gear 9 is set just can realizes the multi-change speed adjusting.
For prevent blind 13 snap in simultaneously cause in the inner groovy 11 of two adjacent driven gears 9 stuck, the setting that each driven gear 9 can be kept at a certain distance away, distance at interval should be at least be stretched out the outer part of blind loose slot 12 greater than blind 13.Another terms of settlement be described inner groovy 11 distolateral be provided with can ccontaining blind 13 ends annular neutral 28.The annular neutral 28 of each driven gear 9 is located at on one side.Annular neutral 28 is a ring-shaped step, step width and stretch out the width and the length of the part of blind loose slot 12 highly at least greater than blind 13.When switching between the inner groovy 11 of blind 13 at two adjacent driven gears 9, blind 13 can fall in the annular neutral 28, can not snap in the inner groovy 11 of two adjacent driven gears 9 simultaneously, can not cause adjacent driven gear 9 stuck, blind 13 also can be changed into neutral gear when stopping annular neutral 28, and each driven gear 9 just can be near being provided with, thereby reduce the length of hollow output shaft 5, be equivalent to dwindle the volume of speed-changing mechanism and the thickness of wheel hub.
As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 7, Fig. 8, when motor 3 energized, motor shaft 46 produces rotation, generator shaft gear 47 on the motor shaft 46 rotates thereupon, generator shaft gear 47 engagement input shaft gears 45 rotate, input shaft gear 45 drives input shaft 6 and driving gear 10 rotates, under the initial condition, retracing spring 68 pushes up blind 13 position of the inner groovy 11 of first speed driven gear 9, first speed driven gear 9 and hollow output shaft 5 are in conjunction with rotating, and the driven gear 9 of second gear is around hollow output shaft 5 idle running.Just by one grade driven gear 9 drives, the centrifugal roller 22 that be located at slope groove 19 the insides this moment also is in not apocarpy to hollow output shaft 5, passes plate 23 and also is in not mobile status at this moment.The power of motor is sent to one grade driven gear 9 by driving gear 10 at this moment, one grade driven gear 9 drives hollow output shaft 5 rotations by blind 13, hollow output shaft 5 by driver blade 35 again with transmission of power on end face 2 and hub circle 1, hub circle 1 rotates around fulcrum 20.Thereby finish one grade takeoff output, otherwise the speed of vehicle also is that the slowest moment of torsion is maximum.
When the rotating speed rising of motor 3 and end face 2 reaches certain rotating speed, the centrifugal inertial force of end face 2 and shifting board 24 increases, the centrifugal roller 22 that is placed in 19 li of slope grooves along slope groove 19 by the outside centrifugal rolling of lining radius vector, because of the space of laying the slope groove 19 at centrifugal roller 22 places big outer narrow in being, centrifugal roller 22 produces axial thrust and moves when passing the radially outward centrifugal rolling of plate 23, centrifugal roller 22 forces when centrifugal and passes the pressure that plate 23 overcomes retracing spring 68, when passing plate 23 is moved blind 13 is advanced to the inside, be pushed driven gear 9 positions of leaving one grade when blind 13, snap in blind 13 in the inner groovy 11 of driven gear 9 of second gear, the driven gear 9 of second gear and hollow output shaft 5 combinations, this moment, hollow output shaft 5 was just driven by the driven gear 9 of second gear, power is sent to the driven gear 9 of second gear by driving gear 10, the driven gear 9 of second gear drives hollow output shaft 5 rotations by blind 13, hollow output shaft 5 by driver blade 35 again with transmission of power on end face 2 and hub circle 1, hub circle 1 rotates around fulcrum 20.Thereby finish the takeoff output of second gear, the speed of vehicle also is the fastest, realizes automatic gear-shifting.Otherwise when motor 3 and end face 2 rotating speeds descended, because the reducing of end face 2 centrifugal inertial forces, centrifugal roller 22 returned to the position of groove 19 bottoms, original slope, and blind 13 spring 68 that is reset pushes up in one grade the inner groovy 11 of driven gear 9.Make opposite action with upper-part, make blind 13 leave the inner groovy 11 of the driven gear 9 of second gear, at this moment the power of the driven gear 9 of second gear can not be transferred on the hollow output shaft 5, and this moment, one grade driven gear 13 passed through blind 13 again to hollow output shaft 5 transferring power.
As Fig. 4, Fig. 5, shown in Fig. 6, be outside they are different with embodiment 1: slope groove 19 is not established in end face 2 inboards, and slope groove 19 is located on the end face of shifting board 24, when motor 3 energized, motor shaft 46 produces rotation, generator shaft gear 47 on the motor shaft 46 rotates thereupon, generator shaft gear 47 engagement input shaft gears 45 rotate, input shaft gear 45 drives input shaft 6 and driving gear 10 rotates, under the initial condition, the position that retracing spring 68 pushes up the inner groovy 11 of first speed driven gear 9 with blind 13, first speed driven gear 9 and hollow output shaft 5 are in conjunction with rotating, and the driven gear 9 of second gear is around hollow output shaft 5 idle running.Just by one grade driven gear 9 drives, the centrifugal roller 22 that be located at slope groove 19 the insides this moment also is in not apocarpy to hollow output shaft 5 at this moment, and shifting board 24 also is in not mobile status.The power of motor is sent to one grade driven gear 9 by driving gear 10 at this moment, one grade driven gear 9 drives hollow output shaft 5 rotations by blind 13, hollow output shaft 5 by driver blade 35 again with transmission of power on end face 2 and hub circle 1, hub circle 1 rotates around fulcrum 20.Thereby finish one grade takeoff output, otherwise the speed of vehicle also is that the slowest moment of torsion is maximum.
When the rotating speed rising of motor 3 and end face 2 reaches certain rotating speed, the centrifugal inertial force of end face 2 and shifting board 24 increases, the centrifugal roller 22 that is placed in 19 li of slope grooves along slope groove 19 by the outside centrifugal rolling of lining radius vector, because of the space of laying the slope groove 19 at centrifugal roller 22 places big outer narrow in being, centrifugal roller 22 produces axial thrust and moves when the radially outward centrifugal rolling of shifting board 24, centrifugal roller 22 forces shifting board 24 to overcome the pressure of retracing spring 68 when centrifugal, when shifting board 24 is moved blind 13 is advanced to the inside, be pushed driven gear 9 positions of leaving one grade when blind 13, snap in blind 13 in the inner groovy 11 of driven gear 9 of second gear, the driven gear 9 of second gear and hollow output shaft 5 combinations, this moment, hollow output shaft 5 was just driven by the driven gear 9 of second gear, power is sent to the driven gear 9 of second gear by driving gear 10, the driven gear 9 of second gear drives hollow output shaft 5 rotations by blind 13, hollow output shaft 5 by driver blade 35 again with transmission of power on end face 2 and hub circle 1, hub circle 1 rotates around fulcrum 20.Thereby finish the takeoff output of second gear, the speed of vehicle also is the fastest, realizes automatic gear-shifting.Otherwise when motor 3 and end face 2 rotating speeds descended, because the reducing of end face 2 centrifugal inertial forces, centrifugal roller 22 returned to the position of groove 19 bottoms, original slope, and blind 13 spring 68 that is reset pushes up in one grade the inner groovy 11 of driven gear 9.Make opposite action with upper-part, make blind 13 leave the inner groovy 11 of the driven gear 9 of second gear, at this moment the power of the driven gear 9 of second gear can not be transferred on the hollow output shaft 5, and this moment, one grade driven gear 13 passed through blind 13 again to hollow output shaft 5 transferring power.
As shown in Figure 9, be provided with the sidepiece that two motors 3 are fixed on fulcrum 20 in the hub circle 1, the motor shaft 46 of these two motors 3 is parallel with fulcrum 20.The as a whole structure of the shell of described two motors 3, as long as after shell is fixed on the fulcrum 20, corresponding motor just has been fixed.Therefore, the installation of motor 3 is only relevant with fulcrum 20, and is irrelevant with hub circle 1, do not need to consider the concentricity problem of motor shaft and fulcrum 20, is convenient to select as required identical or different types of motor, comprises the rotating speed difference, and size difference or power are not equal.And relative fixed between motor and the motor, the integral rigidity structure is good.Generator shaft gear 47 diameters on described two motor shafts 46 are identical or inequality, and this embodiment has two gear clusters, and the generator shaft gear 47 of two motors meshes with input shaft gear 45 respectively.Because hollow output shaft 5 and driven gear 9 are arranged on the fulcrum 20 and can rotate around it, and are in the center of hub circle 1, motor 3 can be around fulcrum 20 annular spread settings.Therefore under hub circle 1 thickness unmodified condition, a plurality of motors 3 can be set in hub circle 1, a plurality of motors 3 are distributed in the hub circle 1 around fulcrum 20, and motor is laid in the space that can make full use of hub circle 1, to increase the power and the mechanism of transferring the files of wheel hub.When the rotating speed of two motors 3 identical with power, corresponding gear cluster is identical, and be arranged on two generator shaft gears 47 on the motor 3 when identical with input shaft gear 45 diameters in the corresponding gear cluster, both transmitting ratio was identical, had only a motor 3 to be twice in the power ratio hub circle 1.The transmitting ratio of the input shaft gear 45 that is meshed with it when two generator shaft gears 47 is inequality, and when perhaps corresponding gear cluster was inequality, two motors 3 are independent drive hub circles 1 respectively, also can realize the operation of multiple shift.
Embodiment 4
As shown in figure 10, its with embodiment 3 different outside be: be provided with the sidepiece that three motors 3 are fixed on fulcrum 20 in the hub circle 1, the motor shaft 46 of these three motors is parallel with fulcrum 20.The shell of described three motors 3 is a conjoined structure, and this embodiment has three gear clusters, promptly has the generator shaft gear 47 of three groups of input shafts 6 and 10, three motors 3 of driving gear to mesh with each input shaft gear 45 respectively.Because the space between fulcrum 20 and the hub circle 1 is an annular, these three motors 3 can be arranged in this annular space, the electric wheel hub of this structure can effectively utilize the space in the hub circle 1, it is under hub circle 1 thickness unmodified condition, and horsepower output can be than two times of the increases of having only a motor 3 in the hub circle 1.In addition, the transmitting ratio of the input shaft gear 45 that is meshed with it as the generator shaft gear 47 of three motors 3 is set to when inequality, and three motors 3 are independent drive hub circles 1 respectively, also can realize the operation of multiple shift.
As the description among the embodiment 1, in like manner, when blind 13 snapped on the 3rd section driven gear 9 inner groovies 11 positions, the driven gear 9 on the 3rd fragment position drove hollow output shaft 5 and rotates, and be third gear this moment.
Claims (10)
1. slip blind automatic gear shift hub, comprise hub circle (1), hub circle (1) is provided with end face (2), end face (2) central authorities are provided with branched shaft hole (8), it is characterized in that: described end face (2) inboard is provided with slope groove (19), be provided with centrifugal roller (22) in the slope groove (19), centrifugal roller (22) side place is provided with passes plate (23), and it constitutes the centrifugal axial thrust of a roller mechanism described end face (2), slope groove (19), centrifugal roller (22) and passing plate (23);
Be provided with fulcrum (20) in the described branched shaft hole (8), power lead (59) is located in the fulcrum (20), and motor (3) is fixed on the fulcrum (20);
Be fixed with gearbox body (21) on the described motor (3), rotate in the described gearbox body (21) and be provided with hollow output shaft (5) and input shaft (6), described input shaft (6) and motor shaft (46) driving coupling, described hollow output shaft (5) and hub circle (1) driving coupling;
Described hollow output shaft (5) is provided with at least two driven gears (9), driven gear (9) can be gone up in hollow output shaft (5) and rotate, the last correspondence of described input shaft (6) is fixed with the driving gear (10) with driven gear (9) engaged transmission, and described input shaft (6) and the driving gear on it (10) are formed a gear cluster;
Described hollow output shaft (5) is provided with blind loose slot (12), described driven gear (9) inner hole wall is provided with inner groovy (11), be provided with the blind (13) that is in the blind loose slot (12) in the described axis hole (15), the external part of blind (13) can snap in the inner groovy (11).
2. slip blind automatic gear shift hub according to claim 1 is characterized in that: be provided with plural motor (3) and corresponding gear cluster in the described hub circle (1), the as a whole structure of shell of described all motors (3).
3. slip blind automatic gear shift hub according to claim 1 and 2 is characterized in that: be provided with unilateral bearing (34) between described generator shaft gear (47) and the motor shaft (46).
4. slip blind automatic gear shift hub according to claim 1 and 2 is characterized in that: described inner groovy (11) is distolateral be provided with can ccontaining blind (13) end annular neutral (28).
5. slip blind automatic gear shift hub according to claim 1 is characterized in that: be provided with the retracing spring (68) that can make blind (13) return and snap in inner groovy (11) in the axis hole (15) of described hollow output shaft (5).
6. slip blind automatic gear shift hub, comprise hub circle (1), hub circle (1) is provided with end face (2), end face (2) central authorities are provided with branched shaft hole (8), it is characterized in that: described end face (2) inboard is provided with shifting board (24), shifting board (24) end is provided with slope groove (19), is provided with centrifugal roller (22) in the slope groove (19), and it constitutes the centrifugal axial thrust of a roller mechanism described end face (2), shifting board (24), slope groove (19) and centrifugal roller (22);
Be provided with fulcrum (20) in the described branched shaft hole (8), power lead (59) is located in the fulcrum (20), and motor (3) is fixed on the fulcrum (20);
Be fixed with gearbox body (21) on the described motor (3), rotate in the described gearbox body (21) and be provided with hollow output shaft (5) and input shaft (6), described input shaft (6) and motor shaft (46) driving coupling, described hollow output shaft (5) and hub circle (1) driving coupling;
Described hollow output shaft (5) is provided with at least two driven gears (9), driven gear (9) can be gone up in hollow output shaft (5) and rotate, the last correspondence of described input shaft (6) is fixed with the driving gear (10) with driven gear (9) engaged transmission, and described input shaft (6) and the driving gear on it (10) are formed a gear cluster;
Described hollow output shaft (5) is provided with blind loose slot (12), described driven gear (9) inner hole wall is provided with inner groovy (11), be provided with the blind (13) that is in the blind loose slot (12) in the described axis hole (15), the external part of blind (13) can snap in the inner groovy (11).
7. slip blind automatic gear shift hub according to claim 6 is characterized in that: be provided with plural motor (3) and corresponding gear cluster in the described hub circle (1), the as a whole structure of shell of described all motors (3).
8. slip blind automatic gear shift hub according to claim 7 is characterized in that: be provided with unilateral bearing (34) between described generator shaft gear (47) and the motor shaft (46).
9. according to claim 6,7 or 8 described slip blind automatic gear shift hubs, it is characterized in that: described inner groovy (11) is distolateral be provided with can ccontaining blind (13) end annular neutral (28).
10. slip blind automatic gear shift hub according to claim 6 is characterized in that: be provided with the retracing spring (68) that can make blind (13) return and snap in inner groovy (11) in the axis hole (15) of described hollow output shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205546832U CN201849248U (en) | 2010-09-23 | 2010-09-23 | Automatic gear shifting wheel hub with sliding barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205546832U CN201849248U (en) | 2010-09-23 | 2010-09-23 | Automatic gear shifting wheel hub with sliding barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201849248U true CN201849248U (en) | 2011-06-01 |
Family
ID=44091659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205546832U Expired - Fee Related CN201849248U (en) | 2010-09-23 | 2010-09-23 | Automatic gear shifting wheel hub with sliding barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201849248U (en) |
-
2010
- 2010-09-23 CN CN2010205546832U patent/CN201849248U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20150923 |
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