CN201761295U - Sliding block internal-controlled speed-changing hub - Google Patents
Sliding block internal-controlled speed-changing hub Download PDFInfo
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- CN201761295U CN201761295U CN2010205214729U CN201020521472U CN201761295U CN 201761295 U CN201761295 U CN 201761295U CN 2010205214729 U CN2010205214729 U CN 2010205214729U CN 201020521472 U CN201020521472 U CN 201020521472U CN 201761295 U CN201761295 U CN 201761295U
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Abstract
The utility model belongs to the technical field of vehicle wheels and solves the problem that a fulcrum shaft is broken and the driving safety is affected by the reduced fulcrum shaft strength caused by a guiding slot and a regulating rod hole originally arranged on the fulcrum shaft. The sliding block internal-controlled speed-changing hub comprises a hub ring, an end face, a fulcrum shaft hole, a fulcrum shaft, a motor, and a motor shaft parallel to the fulcrum shaft, wherein a stepping motor is arranged on the motor shell. When the stepping motor shaft is rotated, a sliding block which is arranged in a shaft hole of a hollow output shaft can be moved. When the sliding block is moved, the sliding block can be blocked in a groove in order to drive a driven gear and the hollow output shaft to rotate together. The hollow output shaft and an input shaft are arranged inside a power wire, the motor shaft and a speed changing box. The fulcrum shaft is arranged in the shaft hole of the hollow output shaft; the input shaft is in transmission connection with the motor shaft; the hollow output shaft is in transmission connection with the hub ring; a block moving groove and at least two rotatable driven gears are arranged on the hollow output shaft; a driving gear is correspondingly fixed on the input shaft; a groove is arranged on the shaft hole wall of the driven gear; the block is arranged on the fulcrum shaft; and the block can be blocked in the groove.
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, lubricating oil also spills from the adjust bar hole easily.
The utility model content
The purpose of this utility model be to provide a kind of fulcrum rigidity intensity height, fulcrum be difficult for twisting strain and fracture, again can gear shift, the slip blind internal control speed-variating 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 internal control speed-variating hub, comprise the hub circle, the end face central authorities of hub circle are provided with branched shaft hole, be provided with fulcrum in the branched shaft hole, be fixed with motor on the described fulcrum, motor shaft is parallel with fulcrum, power lead is arranged in the fulcrum, it is characterized in that: the shell of described motor is fixed with stepping motor, stepping motor is provided with step motor shaft, can move adjust bar and the blind that is located in the axis hole, described step motor shaft and adjust bar driving coupling during the step motor shaft rotation; 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 internal control speed-variating hub, comprise the hub circle, the end face central authorities of hub circle are provided with branched shaft hole, be provided with fulcrum in the branched shaft hole, be fixed with motor on the described fulcrum, motor shaft is parallel with fulcrum, power lead is arranged in the fulcrum, it is characterized in that: the shell of described motor is fixed with electromagnetism and inhales, and with its suction disc of inhaling mutually, promotion pipe link and blind axially moved in axis hole when suction disc was inhaled when the electromagnetism suction was provided with electromagnetism suction energising, described suction disc links to each other with pipe link, and pipe link links to each other with blind; 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.Inhale by stepping motor or electromagnetism and to regulate the position of blind in axis hole, 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 driving center circle 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 that multi-change speed is regulated and then the rotating speed of adjusting hub circle.
Fulcrum of the present utility model is a solid integral body, do not establish guide groove and adjust bar hole, and its intensity height, good rigidly have solved the problem of the safety of driving.Can be in the inner position of blind of directly regulating of hub circle at axis hole, 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 three-dimensional assembly structure figure of the utility model slip blind internal control speed-variating hub;
Fig. 2 is the sectional structure chart during annular Neutral Position for first kind of embodiment of the utility model slip blind internal control speed-variating hub assembling back blind is in;
Fig. 3 is the sectional structure chart in the inner groovy of first kind of embodiment of the utility model slip blind internal control speed-variating hub assembling backstop subcard people driven gear the time;
Sectional structure chart when Fig. 4 inhales when not switching in the blind card people high speed driven gear inner groovy for second kind of embodiment of the utility model slip blind internal control speed-variating hub assembling back electromagnetism;
Sectional structure chart when Fig. 5 is pulled in the card people low speed driven gear inner groovy for electromagnetism suction energising back, second kind of embodiment assembling of the utility model slip blind internal control speed-variating hub back blind;
Sectional structure chart when Fig. 6 inhales when not switching in the blind card people high speed driven gear inner groovy for the third embodiment of the utility model slip blind internal control speed-variating hub assembling back electromagnetism;
Sectional structure chart when Fig. 7 inhales energising back blind and leaves inner groovy and rest on annular neutral gear for the third embodiment of the utility model slip blind internal control speed-variating hub assembling back electromagnetism;
Fig. 8 is fulcrum, hollow output shaft, blind, driven gear, driving gear, input shaft, jump ring, retracing spring, the input shaft gear among Fig. 2 to Fig. 5, the three-dimensional assembly structure figure of motor shaft;
Radial section figure when Fig. 9 leaves inner groovy for the utility model slip blind internal control speed-variating hub blind;
Radial section figure when Figure 10 snaps in inner groovy for the utility model slip blind internal control speed-variating hub blind;
Figure 11 is the sectional structure chart in the inner groovy of the 4th kind of embodiment of the utility model slip blind internal control speed-variating hub assembling backstop subcard people driven gear the time;
Figure 12 is the sectional structure chart during annular neutral for the 4th kind of embodiment of the utility model slip blind internal control speed-variating hub assembling back blind rests on;
Figure 13 is the sectional structure chart during annular neutral for the 5th kind of embodiment of the utility model slip blind internal control speed-variating hub assembling back blind rests on;
Figure 14 is fulcrum, hollow output shaft, blind, driven gear, driving gear, input shaft, jump ring, retracing spring, the input shaft gear among Fig. 6,7,11,12,13, the three-dimensional assembly structure figure of motor shaft;
Figure 15 is stepping motor, step motor shaft, reducing gear, threaded shaft, the tapped bore among Fig. 2,3,11,12,13,17, the three-dimensional assembly structure figure of adjust bar;
Figure 16 is the hollow output shaft among Figure 13 and the radial section figure of associated component thereof;
Figure 17 is the axial internal anatomy after driven gear, hollow output shaft, fulcrum, an axle bearing, ratchet, pawl axis, torsion spring, blind, adjust bar, stepping motor and the associated component thereof of first kind of embodiment of the utility model slip blind internal control speed-variating hub assembled;
Figure 18 is the axial internal anatomy after driven gear, hollow output shaft, fulcrum, an axle bearing, ratchet, pawl axis, torsion spring, blind, pipe link, electromagnetism suction and the associated component thereof of the third embodiment of the utility model slip blind internal control speed-variating hub assembled;
Figure 19 is the internal anatomy of the 6th kind of embodiment assembling of the utility model slip blind internal control speed-variating hub;
Figure 20 is the internal anatomy of the 7th kind of embodiment assembling of the utility model slip blind internal control speed-variating hub;
Figure 21 is the axial internal anatomy after driven gear, hollow output shaft, fulcrum, an axle bearing, ratchet, pawl axis, torsion spring, blind, adjust bar, stepping motor and the associated component thereof among Figure 19 assembled;
Figure 22 is cam and the blind three-dimensional structure diagram among Figure 19, Figure 20;
Figure 23 be the utility model slip blind internal control speed-variating hub third and fourth, five, six and the three-dimensional structure diagram of the hollow output shaft of the 7th kind of embodiment, ratchet, pawl axis, torsion spring;
Figure 24 is the three-dimensional assembly structure figure of the 8th kind of embodiment of the utility model slip blind internal control speed-variating hub;
Figure 25 is the three-dimensional assembly structure figure of the 9th kind of embodiment of the utility model slip blind internal control speed-variating hub.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the utility model slip blind internal control speed-variating hub is described in further detail.
As shown in FIG., the hub circle 1 of the utility model slip blind internal control speed-variating 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, cam 13A, annular slope 13B, torsion spring 14, axis hole 15, sliding part 16, nut 17, removable pin 18, oil sealing 19, fulcrum 20, gearbox body 21, bolt 22, step motor shaft 23, reducing gear 24, internal tooth 25, tapped bore 26, pipe link 27, annular neutral 28, ratchet loose slot 29, threaded shaft 30, stepping motor 31, ratchet 32, boss 33, unilateral bearing 34, driver blade 35, groove 36, projection 37, damper element 38, electromagnetism inhales 39, suction disc 40, motor shaft bearing 41, hollow output shaft bearing 42, bearing of input shaft 43, recoil spring 44, input shaft gear 45, motor shaft 46, generator shaft gear 47, prop up axle bearing 49, hollow output shaft axis hole 52, pawl axis 55, jump ring 56, power lead 59, input shaft axis hole 60, pilot hole 63, retracing spring 68, power lead hole 70, brake disc 71.
As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 15, Figure 19, Figure 21, described slip blind internal control speed-variating hub, comprise hub circle 1, 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 the axial line of motor shaft 46 and fulcrum 20 staggers mutually and is arranged in parallel.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 greater than motor shaft 46 rotating speed the time, 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 21 two sidewalls of described gearbox body, 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.The blind loose slot 12 of present embodiment 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 adjust bar 4, adjust bar 4 other ends are provided with tapped bore 26, tapped bore 26 be located at motor 3 shells on stepping motor 31 on threaded shaft 30 cooperate, driving blind 13 moves in axis hole 15, blind 13 other ends are provided with the retracing spring 68 that can make its return, retracing spring 68 is enclosed within on the fulcrum 20, when adjust bar 4 during toward travelling backwards retracing spring 68 blind 13 can be pushed back in the inner groovy 11 of the driven gear 9 that needs.
Described stepping motor 31 is installed on the shell of motor 3, stepping motor 31 drives threaded shaft 30 rotations through the back of slowing down, threaded shaft 30 cooperates with tapped bore 26 on the adjust bar 4, the position in axis hole 15 that can spur or promote adjust bar 4 and adjusting blind 13 when threaded shaft 30 rotations 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.
Be fixed with driver blade 35 on the described hollow output shaft 5, described driver blade 35 is provided with projection 37, described end face 2 inboards are provided with the groove 36 that can insert projection 37 and damping spring 38, when hollow output shaft 5 runnings, pass through foregoing description, can learn 35 rotations of driving driver blade, driver blade 35 can rotate a certain angle with respect to end face 2 earlier, make the projection 37 compression shock absorption springs 38 in the groove 36, drive end face 2 by damping spring 38 afterwards hub circle 1 is rotated together, realize the purpose of damping, buffering.
As shown in Fig. 4,5,6,7,9,10,18, be outside they are different with embodiment 1: the shell of motor 3 is not established stepping motor 31, and what establish is that electromagnetism inhales 39.
Under the initial condition, as shown in Fig. 4, Fig. 6, Figure 10, Figure 18, be located under the effect of retracing spring 68 elastic force on the fulcrum 20 blind 13, pipe link 27 and suction disc 40 are pushed away inside, blind 13 leaves annular neutral 28 and blocks in the driven gear inner groovy 11 of people's high speed gear at this moment, and blind 13 combines rotation with driven gear 9 hollow output shaft 5 of high speed gear.The driven gear 9 of high speed gear drives hollow output shaft 5 and rotates, and hollow output shaft 5 connects end face 2 and hub circle 1 rotates around fulcrum 20, and be second gear this moment.
As shown in Fig. 5 and Fig. 9, when electromagnetism is inhaled 39 energisings, electromagnetism is inhaled 39 generation magnetic force suction disc 40 suctions is come, suction disc 40 has overcome the elastic force of retracing spring 68 when being inhaled and has promoted pipe link 27 and blind 13 moves outward, blind 13 leave high speed gear driven gear 9 inner groovy 11 and block in the inner groovy 11 of people's low speed driven gear 9, this moment, low speed driven gear 9 engaged rotation with hollow output shaft 5,9 of the driven gears of high speed gear are around hollow output shaft 5 idle running, the driven gear 9 of high speed gear just loses to hollow output shaft 5 transmission capacities, just there is this moment the driven gear 9 of low gear to drive hollow output shaft 5 rotations, hollow output shaft 5 connects end face 2 and hub circle 1 rotates around fulcrum 20, thereby finishes one grade takeoff output.
As shown in Fig. 6, Fig. 7, Figure 14, Figure 17, Figure 18, Figure 23, the driven gear 9 of low gear is not established inner groovy 11, and established internal tooth 25, the position of the driven gear 9 sheathed hollow output shaft 5 of low gear is provided with ratchet loose slot 29, ratchet 32, torsion spring 14, pawl axis 55.
Under the initial condition, as Fig. 6, Figure 10, shown in Figure 18, when electromagnetism suction 39 is not also switched on, retracing spring 68 pushes away blind 13 pipe links 27 and suction disc 40 inside, blind 13 snaps in driven gear 9 inner groovies 11 of high speed gear, the driven gear 9 of high speed gear just engages rotation with hollow output shaft 5, the rotating speed of hollow output shaft 5 exceeds the rotating speed of the driven gear of low gear at this moment, the driven gear of low gear surmounts down at hollow output shaft 5 rotating speeds, and internal tooth 25 just skids with ratchet 32, only around hollow output shaft 5 idle running, the driven gear of low gear just loses the ability to hollow output shaft 5 transmissions to the driven gear of low gear.This moment, driven gear 9 drive hollow output shaft 5, end face 2 and the hub circle 1 of high speed gear were second gear around fulcrum 20 rotations at this moment.
As shown in Fig. 7 and Fig. 9, when electromagnetism is inhaled 39 energisings, electromagnetism is inhaled 39 generation magnetic force suction disc 40 suctions is come, suction disc 40 has overcome the elastic force of retracing spring 68 when being inhaled and has promoted pipe link 27 and blind 13 moves outward, blind 13 leaves the inner groovy 11 of the driven gear 9 of high speed gear, rest on the position of annular neutral 28,9 of the driven gears of high speed gear are around hollow output shaft 5 idle running.Power drives hollow output shaft 5 rotations by the driven gear 9 of low gear through internal tooth 25 and ratchet 32 engagings again, and hollow output shaft 5 connects end faces 2 and hub circle 1 rotates around fulcrum 20, thereby finishes one grade takeoff output.
As shown in Figure 11 and Figure 10, when stepping motor 31 moves adjust bar 4 inside, the blind 13 that rests on annular neutral 28 following of the elastic force of retracing spring 68 advances in driven gear 9 inner groovies 11 of high speed gear, the driven gear 9 of high speed gear just engages rotation with hollow output shaft 5, the rotating speed of hollow output shaft 5 exceeds the rotating speed of the driven gear of low gear at this moment, the driven gear of low gear surmounts down at hollow output shaft 5 rotating speeds, and internal tooth 25 just skids with ratchet 32, only around hollow output shaft 5 idle running, the driven gear of low gear just loses the ability to hollow output shaft 5 transmissions to the driven gear of low gear.This moment, driven gear 9 drive hollow output shaft 5, end face 2 and the hub circle 1 of high speed gear were second gear around fulcrum 20 rotations at this moment.
As shown in Figure 12 and Figure 19, when stepping motor 31 moves adjust bar 4 toward the outside, overcome the elastic force of retracing spring 68 and promoted adjust bar 4 and blind 13 moves outward at the effect lower dolly bar 4 of stepping motor 31 and blind 13, blind 13 leaves the inner groovy 11 of the driven gear 9 of high speed gear, rest on the position of annular neutral 28,9 of the driven gears of high speed gear are around hollow output shaft 5 idle running.Power drives hollow output shaft 5 rotations by the driven gear 9 of low gear through internal tooth 25 and ratchet 32 engagings again, and hollow output shaft 5 connects end faces 2 and hub circle 1 rotates around fulcrum 20, thereby finishes one grade takeoff output.
Shown in Figure 13, stuck when working in order to prevent stepping motor 31 and adjustment structure, between adjust bar 4 ends and sliding part 16, be provided with recoil spring 44, blind 13 is set on the sliding part 16, blind 13 can rotate on sliding part 16, when adjust bar 4 when the interior extreme direction of axis hole 15 draws, because driven gear 9 is moving in not stall always, when blind 13 can not in time snap in the inner groovy 11 apace, this moment, recoil spring 44 was compressed.When driven gear 9 rotates up to inner groovy 11 positions corresponding blind 13 when stretching out part outside the blind loose slot 12, recoil spring 44 oppresses blind 13 that it is snapped in the inner groovy 11, this moment, recoil spring 44 played buffer action, can prevent adjust bar 4 and regulating mechanism dieback or stuck like this.
Shown in Figure 19, Figure 20, Figure 21, Figure 22, Figure 23, allow vehicle slide at any time in order to reclaim the more energy and to use high speed gear, the resistance that can not be subjected to motor can slide fartherly.Driven gear 9 at high speed gear is provided with internal tooth 25, hollow output shaft 5 is provided with ratchet loose slot 29 on the sheathed position of the driven gear 9 of high speed gear, ratchet 32 and torsion spring 14 are in ratchet loose slot 29, cam 13A can control 25 engagings of ratchet 32 and internal tooth or separate, when adjust bar 4 or pipe link 27 when the driven gear direction of low gear moves, cam 13A is under the elastic force of retracing spring 28, cam 13A just breaks away from the perk end that sticks up into end jack-up ratchet 32 of ratchet 32 with internal tooth 25,9 of high-revolving driven gears are around hollow output shaft 5 idle running, simultaneously blind 13 driven gear 9 that leaves annular neutral 28 and block low gear in the inner groovy 11 of driven gear 9 of people's low gear engages rotation with hollow output shaft 5, if at this moment under the down-hill situation, because one grade of speed ratio with second gear has three to four-fold, this moment, vehicle drove rotor rotation, the electricity that can send during rotor rotation than the motor of no shift has more three to four-fold, thereby reclaim the more energy, can also pin down the vehicle effect during descending.Usual when driving high speed gear as long as thereby motor is quickened can not be subjected to the magnetic force obstruction of motor can slide vehicle automatically once loose vehicle, like this vehicle can slide farther.
As shown in figure 24, 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.
As shown in figure 25, its with embodiment 4 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 blocked on the 3rd section driven gear 9 inner groovies of people 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 internal control speed-variating hub, comprise hub circle (1), end face (2) central authorities of hub circle (1) are provided with branched shaft hole (8), be provided with fulcrum (20) in the branched shaft hole (8), be fixed with motor (3) on the described fulcrum (20), motor shaft (46) is parallel with fulcrum (20), power lead (59) is arranged in the fulcrum (20), it is characterized in that: the shell of described motor (3) is fixed with stepping motor (31), stepping motor (31) is provided with step motor shaft (23), can move adjust bar (4) and the blind (13) that is located in the axis hole (15) during step motor shaft (23) rotation, described step motor shaft (23) and adjust bar (4) driving coupling;
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 internal control speed-variating 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 internal control speed-variating hub according to claim 2 is characterized in that: be provided with unilateral bearing (34) between described generator shaft gear (47) and the motor shaft (46).
4. according to claim 1,2 or 3 described slip blind internal control speed-variating hubs, it is characterized in that: described inner groovy (11) is distolateral be provided with can ccontaining blind (13) end annular neutral (28).
5. slip blind internal control speed-variating hub according to claim 1 is characterized in that: be provided with the retracing spring (68) that can make blind (13) return in the axis hole (15) of described hollow output shaft (5).
6. slip blind internal control speed-variating hub, comprise hub circle (1), end face (2) central authorities of hub circle (1) are provided with branched shaft hole (8), be provided with fulcrum (20) in the branched shaft hole (8), be fixed with motor (3) on the described fulcrum (20), motor shaft (46) is parallel with fulcrum (20), power lead (59) is arranged in the fulcrum (20), it is characterized in that: the shell of described motor (3) is fixed with electromagnetism and inhales (39), electromagnetism inhale (39) when being provided with electromagnetism and inhaling (39) energising with its suction disc of inhaling mutually (40), it is axially mobile in axis hole (15) to promote pipe link (27) and blind (13) when suction disc (40) is inhaled, described suction disc (40) links to each other with pipe link (27), and pipe link (27) links to each other with blind (13);
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 internal control speed-variating 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 internal control speed-variating 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 1,2 or 3 described slip blind internal control speed-variating 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 internal control speed-variating hub according to claim 6 is characterized in that: be provided with the retracing spring (68) that can make blind (13) return in the axis hole (15) of described hollow output shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205214729U CN201761295U (en) | 2010-08-28 | 2010-08-28 | Sliding block internal-controlled speed-changing hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205214729U CN201761295U (en) | 2010-08-28 | 2010-08-28 | Sliding block internal-controlled speed-changing hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201761295U true CN201761295U (en) | 2011-03-16 |
Family
ID=43713901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205214729U Expired - Fee Related CN201761295U (en) | 2010-08-28 | 2010-08-28 | Sliding block internal-controlled speed-changing hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201761295U (en) |
-
2010
- 2010-08-28 CN CN2010205214729U patent/CN201761295U/en not_active Expired - Fee Related
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Granted publication date: 20110316 Termination date: 20150828 |
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