CN201970791U - Inner-control pawl speed changing electric wheel hub - Google Patents
Inner-control pawl speed changing electric wheel hub Download PDFInfo
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- CN201970791U CN201970791U CN2011200778683U CN201120077868U CN201970791U CN 201970791 U CN201970791 U CN 201970791U CN 2011200778683 U CN2011200778683 U CN 2011200778683U CN 201120077868 U CN201120077868 U CN 201120077868U CN 201970791 U CN201970791 U CN 201970791U
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Abstract
The utility model belongs to the technical field of wheels, and discloses an inner-control pawl speed changing electric wheel hub which solves the problem related to the rigidity and strength of a support shaft of a mechanical speed changing electric hub ring in the prior art, and also solves the problem of the accuracy of gear shifting, and comprises a hub ring. A support shaft hole is arranged on the end surface, a support shaft is fixed with a motor, a shell of the motor is fixed with a stepping motor, and when the stepping motor shaft rotates, an adjusting rod and a sliding piece connected with the adjusting rod can be moved; a hollow output shaft and an input shaft are arranged in a box body, the support shaft is in a hole of the hollow output shaft, the input shaft is in transmission connection with a motor shaft, the hollow output shaft is in transmission connection with the hub ring, and provided with a driven gear which is provided with internal teeth and meshed with a driving gear of the input shaft, a pawl moving groove and a pawl are arranged on the hollow output shaft, a sliding piece is arranged in the shaft hole, and is provided with a guiding hole.
Description
Technical field
The utility model belongs to the wheel technical field.
Background technology
Publication number CN201406001 discloses a kind of ratchet Variable-speed electric wheel 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 is because of being provided with rigidity and the intensity that adjust bar hole and guide groove have just weakened fulcrum greatly, and fulcrum will easy deformation and fracture like this, the safety that can threaten and drive a vehicle.In addition, lubricating oil also spills from the adjust bar hole easily, problems such as the not high easy dislocation gear shift of the positional accuracy of gear shift.
The utility model content
Above-mentioned not enough the purpose of this utility model is to provide a kind of fulcrum rigidity intensity height, driving is safer and guarantee the internal control ratchet Variable-speed electric wheel hub that shift pattern accurately puts in place in order to solve.
For realizing the purpose of this utility model, first kind of technical scheme of the present utility model is: a kind of internal control ratchet Variable-speed electric wheel hub, a kind of internal control ratchet Variable-speed electric wheel hub, comprise the hub circle, the end face central authorities of hub circle are provided with branched shaft hole, are provided with fulcrum in the described branched shaft hole, be fixed with motor on the described fulcrum, power lead is arranged in the fulcrum, and described fulcrum is parallel with adjust bar, and adjust bar is connected with sliding part; Be fixed with casing on the described motor, rotate in the described casing and be provided with hollow output shaft and input shaft, described fulcrum is arranged in the axis hole of hollow output 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 that is fixed on this input shaft are formed a gear cluster; Described driven gear is provided with internal tooth, hollow output shaft is provided with the ratchet loose slot, pawl axis passes the ratchet that is located in the ratchet loose slot, ratchet can be in the ratchet loose slot tilting, ratchet is provided with to act on and makes the perk of one end on the hollow output shaft and be stuck in torsion spring on the internal tooth; Stick up sliding part into end but be provided with the jack-up ratchet in the axis hole of described hollow output shaft, described sliding part is provided with pilot hole, and described fulcrum is located in the pilot hole.
Described internal control ratchet Variable-speed electric wheel hub, be provided with plural motor and corresponding gear cluster in the described hub circle, the shell of described all motors is a conjoined structure, described motor shaft is provided with generator shaft gear, input shaft is provided with input shaft gear, generator shaft gear and input shaft gear engagement.
Described internal control ratchet Variable-speed electric wheel hub is provided with one-way clutch between described generator shaft gear and the rotor.
Described internal control ratchet Variable-speed electric wheel hub, described stepping motor is fixed on the housing of motor, stepping motor is provided with step motor shaft, and step motor shaft can move the sliding part that is located in the axis hole, described step motor shaft and sliding part driving coupling when rotating.
Described internal control ratchet Variable-speed electric wheel hub is fixed with driver blade on the described hollow output shaft, and described driver blade is provided with projection, and described end face inboard is provided with the groove that can insert projection and damping spring.
For realizing same purpose of the present utility model, another kind of technical scheme of the present utility model is: a kind of internal control ratchet Variable-speed electric wheel 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 described branched shaft hole, be fixed with motor on the described fulcrum, power lead is arranged in the fulcrum, described fulcrum is parallel with pipe link, and pipe link is inhaled with electromagnetism and linked to each other, and electromagnetism is inhaled and is provided with the iron core slide bar, energy moving iron core slide bar when electromagnetism is inhaled energising, can promote or spur pipe link and sliding part when the iron core slide bar moves and move in axis hole, described iron core slide bar links to each other with pipe link, and pipe link links to each other with sliding part; Be fixed with casing on the described motor, rotate in the described casing and be provided with hollow output shaft and input shaft, described fulcrum is arranged in the axis hole of hollow output 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 that is fixed on this input shaft are formed a gear cluster; Described driven gear is provided with internal tooth, hollow output shaft is provided with the ratchet loose slot, pawl axis passes the ratchet that is located in the ratchet loose slot, ratchet can be in the ratchet loose slot tilting, ratchet is provided with to act on and makes the perk of one end on the hollow output shaft and be stuck in torsion spring on the internal tooth; Stick up sliding part into end but be provided with the jack-up ratchet in the axis hole of described hollow output shaft, described sliding part is provided with pilot hole, and described fulcrum is located in the pilot hole.
Described internal control ratchet Variable-speed electric wheel hub, be provided with plural motor and corresponding gear cluster in the described hub circle, the shell of described all motors is a conjoined structure, described motor shaft is provided with generator shaft gear, input shaft is provided with input shaft gear, generator shaft gear and input shaft gear engagement.
Described internal control ratchet Variable-speed electric wheel hub is provided with one-way clutch between described generator shaft gear and the rotor.
Described internal control ratchet Variable-speed electric wheel hub, described electromagnetism are inhaled and are fixed on the housing of motor.
Described internal control ratchet Variable-speed electric wheel hub is fixed with driver blade on the described hollow output shaft, and described driver blade is provided with projection, and described end face inboard is provided with the groove that can insert projection and damping spring.
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 casing are fixed together, and are fixed so motor is relative with casing, 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.Under the initial condition, sliding part in the axis hole of hollow output shaft sticks up ratchet into end jack-up, the ratchet other end sticks up into the ratchet loose slot and with the internal tooth of the driven gear of corresponding high speed gear and breaks away from, and the driven gear of high speed gear only rotates around hollow output shaft, and be one grade this moment.
When sliding part leaves ratchet on that fragment position of driven gear of high speed gear on the hollow output shaft, ratchet under the effect of torsion spring its stick up end stick up in the axis hole into, its perk end perk also snaps in the internal tooth of cooresponding driven gear, driven gear drives hollow output shaft and rotates, and it is second gear around the fulcrum rotation at this moment that hollow output shaft drives the hub circle.By driving gear and the driven gear that many group sizes have nothing in common with each other is set, inhale the position of adjustment slide in axis hole by stepping motor or electromagnetism, make the perk end of the ratchet on each section of hollow output shaft snap in or break away from the internal tooth 11 of cooresponding driven gear 9, driven gear is combined with hollow output shaft realize speed governing, thereby the realization multi-change speed is regulated the rotating speed of hub circle.
Fulcrum of the present utility model is as a whole, does not establish adjust bar hole and guide groove, and its good rigidly intensity height has solved traffic safety problem and shift pattern and put in place accurately.Can directly control to adjust the position of sliding part in hub circle inside, it regulates simple relatively directly accurate.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 shift 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 internal control ratchet Variable-speed electric wheel hub;
Fig. 2 is the sectional structure chart after Fig. 1 assembling;
Fig. 3 is fulcrum, stepping motor, hollow output shaft, ratchet, adjust bar, sliding part, driven gear, input shaft, input shaft gear, the driving gear among Fig. 1, the solid assembling decomposition chart of motor shaft;
After Fig. 4 is the utility model internal control ratchet Variable-speed electric wheel hub hollow output shaft and associated component assembling thereof, the radially sectional structure chart of principle of work when sliding part leaves ratchet;
After Fig. 5 is the hollow output shaft of first kind of embodiment of the utility model internal control ratchet Variable-speed electric wheel hub and associated component assembling thereof, the radially sectional structure chart of principle of work when sliding part pushes up ratchet and sticks up into end;
Fig. 6 is the three-dimensional assembly structure figure of sliding part, adjust bar, stepping motor and associated component thereof among Fig. 1.
Fig. 7 is the sectional structure chart after Fig. 6 assembling;
Fig. 8 is the sectional structure chart after second kind of embodiment of the utility model internal control ratchet Variable-speed electric wheel hub assembles;
Fig. 9 is the sectional structure chart after second kind of embodiment of the utility model internal control ratchet Variable-speed electric wheel hub assembles;
Figure 10 is after electromagnetism suction, iron core slide bar, pipe link, sliding part, fulcrum, hollow output shaft and the associated component thereof among Fig. 8 assembled, the axial sectional structure chart of the principle of work when the iron core slide bar moves on the right;
Figure 11 is after electromagnetism suction, iron core slide bar, pipe link, sliding part, fulcrum, hollow output shaft and the associated component thereof among Fig. 9 assembled, the axial sectional structure chart of the principle of work when the iron core slide bar moves on the left side;
Figure 12 is fulcrum, pipe link, hollow output shaft, ratchet, sliding part, driven gear, input shaft, input shaft gear, the driving gear among Fig. 8,9, the solid assembling decomposition chart of motor shaft;
Figure 13 assembles three-dimensional decomposition chart for the third embodiment of the utility model internal control ratchet Variable-speed electric wheel hub;
Figure 14 assembles three-dimensional decomposition chart for the 4th kind of embodiment of the utility model internal control ratchet Variable-speed electric wheel hub;
After Figure 15 is the hollow output shaft of second kind of embodiment of the utility model internal control ratchet Variable-speed electric wheel hub and associated component assembling thereof, the radially sectional structure chart of principle of work when sliding part pushes up ratchet and sticks up into end.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the utility model internal control ratchet Variable-speed electric wheel hub is described in further detail.
As shown in FIG., the hub circle 1 of the utility model internal control ratchet Variable-speed electric wheel 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, internal tooth 11, ratchet loose slot 12, ratchet 13, torsion spring 14, axis hole 15, sliding part 16, nut 17, oil sealing 19, fulcrum 20, casing 21, bolt 22, reducing gear 24, hole 25, tapped bore 26, pipe link 27, iron core slide bar 28, threaded shaft 30, stepping motor 31, one-way clutch 34, driver blade 35, groove 36, projection 37, damping spring 38, electromagnetism inhales 39, rotor 40, 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, pawl axis 55, jump ring 56, ratchet axis hole 57, torsion spring hole 58, power lead 59, input shaft axis hole 60, pilot hole 63, power lead hole 70, brake disc 71.
Embodiment 1
Extremely shown in Figure 7 as Fig. 1, described internal control ratchet Variable-speed electric wheel hub, comprise hub circle 1, two end face 2 central authorities of hub circle 1 are respectively equipped with branched shaft hole 8, be provided with a fulcrum 20 in described two branched shaft holes 8, be provided with axle bearing 49 between branched shaft hole 8 and the fulcrum 20, so as fulcrum 20 can be in branched shaft hole 8 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 the axial line of motor shaft 46 and fulcrum 20 staggers its both and be arranged in parallel.Described motor 3 is provided with motor shaft bearing 41, and motor shaft 46 is located in the motor shaft bearing 41.Motor shaft 46 outer ends are provided with generator shaft gear 47.Be provided with one-way clutch 34 between generator shaft gear 47 and the rotor 40.One-way clutch 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 rotate 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 casing 21 on the described motor 3, correspondence is provided with input shaft axis hole 60 and hollow output shaft axis hole 52 on described casing 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, the end that input shaft 6 stretches out input shaft axis hole 60 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 the end that hollow output shaft 5 is stretched out hollow output shaft axis hole 52 is connected with described end face 2.
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 jump ring 56 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.
Described driven gear 9 is provided with internal tooth 11, on sheathed this section hollow output shaft 5 of driven gear 9, be arranged with a pair of ratchet loose slot 12, be provided with ratchet 13 in the ratchet loose slot 12, ratchet 13 can be in ratchet loose slot 12 along hollow output shaft 5 tilting radially, for making ratchet 13 be convenient to install, described hollow output shaft 5 is provided with ratchet axis hole 57, is provided with pawl axis 55 in ratchet axis hole 57, described ratchet 13 and torsion spring 14 are through on the pawl axis 55, and ratchet 13 can rotate around pawl axis 55.Ratchet 13 is provided with and acts on the torsion spring 14 that makes the perk of one end on the hollow output shaft 5, and described hollow output shaft 5 is provided with torsion spring hole 58, and torsion spring 14 is through on the pawl axis 55, and torsion spring 14 1 ends are located in the torsion spring hole 58, and the other end is pressed on the ratchet 13.Under the normality situation, torsion spring 14 makes ratchet 13 perks one end be in the outside of hollow output shaft 5, and the other end is in the axis hole 15.When ratchet loose slot 12 is stuck up in ratchet 13 outer ends, may be stuck in the internal tooth 11 and and engage with internal tooth 11, driven gear 9 and hollow output shaft 5 are rotated together.When ratchet 13 outer ends were stuck up into ratchet loose slot 12, ratchet 13 separated with internal tooth 11, and then driven gear 9 just rotates around hollow output shaft 5.Ratchet 13 forms a ratchet snap-in structure with driven gear 9 like this, has unidirectional drive.Be provided with sliding part 16 in the axis hole of described hollow output shaft 5, but jack-up ratchet 13 sticks up into end when sliding part 16 endwisely slips in axis hole 15.
Described sliding part 16 is provided with pilot hole 63, the axially parallel of the axial and axis hole 15 of described pilot hole 63, and fulcrum 20 is arranged in the described pilot hole 63, and sliding part 16 can endwisely slip on fulcrum 20 like this.Described sliding part 16 is connected with adjust bar 4.Adjust bar 4 other ends are provided with tapped bore 26, and tapped bore 26 cooperates with threaded shaft 30.Adjust bar 4 can drive sliding part 16 and slide in axis hole 15.The other end of adjust bar 4 extends on the shell of motor 3.On the shell of motor 3, be fixed with stepping motor 31, stepping motor 31 is provided with step motor shaft 23, engagement reducing gear 24 is rotated during step motor shaft 23 rotations, threaded shaft 30 is fixed on reducing gear 24 and rotates together, and pulling or promotion adjust bar 23 and sliding part 16 are in the position of axis hole 15 during threaded shaft 30 rotations.
After motor 3 energisings are rotated, drive input shaft gear 45 during generator shaft gear 47 rotations and rotate, rotate thereby drive input shaft 6.Two driving gears 10 of input shaft 6 rotate thereupon, with driving gear 10 ingear driven gears 9 also rotation thereupon.
Under the initial condition, as Fig. 2, the ratchet 13 that sliding part 16 shown in Fig. 5 is in the driven gear 9 of hollow output shaft 5 high speed geares sticks up into end position, ratchet 13 is stuck up into end jack-up, the internal tooth 11 of ratchet 13 other end perk ends and cooresponding driven gear 9 breaks away from, the driven gear 9 of high speed gear is promptly dallying around hollow output shaft 5, internal tooth and ratchet 13 engagings because of low gear driven gear 9, this moment, hollow output shaft 5 was just by driven gear 9 driven rotary of low gear, hollow output shaft 5 drives end face 2 and thereby hub circle 1 is finished one grade takeoff output around fulcrum 20 rotations, otherwise the speed of vehicle also is that the slowest moment of torsion is maximum.
As shown in Figure 4, through the position of stepping motor 31 adjustment slide 16 at axis hole 15, the driven gear 9 that to make sliding part 16 leave the locational ratchet 13 of hollow output shaft 5 the preceding paragraphs promptly be high speed gear, ratchet 13 on this fragment position under the pressure effect of torsion spring 14 its stick up end stick up in the axis hole 15 into, since ratchet 13 at pawl axis 55 as its perk end perk under the fulcrum and snap in the internal tooth 11 of driven gear 9 of cooresponding high speed gear, this driven gear 9 drives hollow output shaft 5 and rotates, when hollow output shaft 5 is rotated, driving end face 2 rotates, make hub circle 1 around hollow 20 rotations, be second gear this moment.
As shown in Figure 4, when sliding part 16 leaves on the hollow output shaft 5 group 13 on another fragment position, as mentioned above, driven gear 9 on this fragment position drives hollow output shaft 5 and rotates, because ratchet 13 has unidirectional drive with the ratchet snap-in structure structure that driven gear 9 forms, and 9 diameters of the driven gear on this fragment position are less, rotating speed is also fast than the driven gear 9 of low gear, the driven gear 9 of low gear surmounts down at hollow output shaft 5 rotating speeds, the internal tooth 11 of the driven gear 9 of low gear just skids with ratchet 13, this moment, hollow output shaft 5 just drove rotation by the driven gear 9 of high speed gear on this fragment position, thereby finished the takeoff output of second gear.
Hence one can see that, controls interlock between driven gear 9 and the hollow output shaft 5 by adjustment slide 16, can realize that the two-stage speed change regulates.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.
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.
As shown in Fig. 4,8,9,10,11,12,15, 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, electromagnetism of the present utility model is inhaled 39 functions that iron core slide bar 28 can be sucked and releases, and just can make iron core slide bar 28 sway.
Under the initial condition, as Fig. 4, Fig. 8 and shown in Figure 10, electromagnetism is inhaled 39 sliding part 16, the pipe links 27 that will be located on the fulcrum 20 and is pushed away inside, this moment, sliding part 16 left sticking up into end of the ratchet 13 that cooperates with the driven gear 9 of high speed gear, the perk end of ratchet 13 just engages with the internal tooth 11 of the driven gear 9 of high speed gear, and the driven gear 9 of high speed gear drives hollow output shaft 20, and to rotate this moment be second gear.
As Fig. 9 Figure 11 and shown in Figure 15, when electromagnetism is inhaled 39 energisings, electromagnetism is inhaled 39 generation magnetic force 28 suctions of iron core slide bar is come, it is mobile outward to promote pipe link 27 and sliding part 16 when iron core slide bar 28 moves, sticking up of the ratchet 13 that sliding part 16 will cooperate with driven gear 9 internal tooths 11 of high speed gear into end jack-up, the perk end of ratchet 13 just breaks away from internal tooth 11,9 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 Figure 13, have two motors 3 to be fixed on the sidepiece of fulcrum 20, the motor shaft 46 of these two motors 3 is parallel with fulcrum 20.The shell of described two motors 3 is a conjoined structure, after as long as 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, be convenient to select as required identical or different types of motor, comprise the rotating speed difference, 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.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 being twice of a motor 3 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 14, 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 sliding part 16 left on the hollow output shaft 5 ratchet 13 on the 3rd fragment position, 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. internal control ratchet Variable-speed electric wheel 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 described branched shaft hole (8), be fixed with motor (3) on the described fulcrum (20), power lead (59) is arranged in the fulcrum (20), it is characterized in that: described fulcrum (20) is parallel with adjust bar (4), and adjust bar (4) is connected with sliding part (16);
Be fixed with casing (21) on the described motor (3), rotate in the described casing (21) and be provided with hollow output shaft (5) and input shaft (6), described fulcrum (20) is arranged in the axis hole (15) of hollow output shaft (5), 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 (10) that is fixed on this input shaft (6) are formed a gear cluster;
Described driven gear (9) is provided with internal tooth (11), hollow output shaft (5) is provided with ratchet loose slot (12), pawl axis (55) passes the ratchet (13) that is located in the ratchet loose slot (12), ratchet (13) can be in ratchet loose slot (12) tilting, ratchet (13) is provided with to act on and makes the perk of one end on the hollow output shaft (5) and be stuck in torsion spring (14) on the internal tooth (11);
The axis hole (15) of described hollow output shaft (5) but in be provided with jack-up ratchet (13) and stick up sliding part (16) into end, described sliding part (16) is provided with pilot hole (63), described fulcrum (20) is located in the pilot hole (63).
2. internal control ratchet Variable-speed electric wheel hub according to claim 1, it is characterized in that: be provided with plural motor (3) and corresponding gear cluster in the described hub circle (1), the shell of described all motors (3) is a conjoined structure, described motor shaft (46) is provided with generator shaft gear (47), input shaft (6) is provided with input shaft gear (45), generator shaft gear (47) and input shaft gear (45) engagement.
3. internal control ratchet Variable-speed electric wheel hub according to claim 2 is characterized in that: be provided with one-way clutch (34) between described generator shaft gear (47) and the rotor (40).
4. internal control ratchet Variable-speed electric wheel hub according to claim 1, it is characterized in that: described stepping motor (31) is fixed on the housing of motor (3), stepping motor (31) is provided with step motor shaft (23), step motor shaft (23) can move the sliding part (16) that is located in the axis hole (15) when rotating, described step motor shaft (23) and sliding part (16) driving coupling.
5. according to claim 1,2 or 3 described internal control ratchet Variable-speed electric wheel hubs, it is characterized in that: 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) inboard is provided with the groove (36) that can insert projection (37) and damping spring (38).
6. internal control ratchet Variable-speed electric wheel 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 described branched shaft hole (8), be fixed with motor (3) on the described fulcrum (20), power lead (59) is arranged in the fulcrum (20), it is characterized in that: described fulcrum (20) is parallel with pipe link (27), pipe link (27) is inhaled (39) with electromagnetism and is linked to each other, electromagnetism is inhaled (39) and is provided with iron core slide bar (28), energy moving iron core slide bar (28) when electromagnetism is inhaled (39) energising, can promote or spur pipe link (27) and sliding part (16) when iron core slide bar (28) is mobile moves in axis hole (15), described iron core slide bar (28) links to each other with pipe link (27), and pipe link (27) links to each other with sliding part (16);
Be fixed with casing (21) on the described motor (3), rotate in the described casing (21) and be provided with hollow output shaft (5) and input shaft (6), described fulcrum (20) is arranged in the axis hole (15) of hollow output shaft (5), 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 (10) that is fixed on this input shaft (6) are formed a gear cluster;
Described driven gear (9) is provided with internal tooth (11), hollow output shaft (5) is provided with ratchet loose slot (12), pawl axis (55) passes the ratchet (13) that is located in the ratchet loose slot (12), ratchet (13) can be in ratchet loose slot (12) tilting, ratchet (13) is provided with to act on and makes the perk of one end on the hollow output shaft (5) and be stuck in torsion spring (14) on the internal tooth (11);
The axis hole (15) of described hollow output shaft (5) but in be provided with jack-up ratchet (13) and stick up sliding part (16) into end, described sliding part (16) is provided with pilot hole (63), described fulcrum (20) is located in the pilot hole (63).
7. internal control ratchet Variable-speed electric wheel hub according to claim 6, it is characterized in that: be provided with plural motor (3) and corresponding gear cluster in the described hub circle (1), the shell of described all motors (3) is a conjoined structure, described motor shaft (46) is provided with generator shaft gear (47), input shaft (6) is provided with input shaft gear (45), generator shaft gear (47) and input shaft gear (45) engagement.
8. internal control ratchet Variable-speed electric wheel hub according to claim 7 is characterized in that: be provided with one-way clutch (34) between described generator shaft gear (47) and the rotor (40).
9. internal control ratchet Variable-speed electric wheel hub according to claim 1 is characterized in that: described electromagnetism is inhaled (39) and is fixed on the housing of motor (3).
10. according to claim 6,7 or 8 described internal control ratchet Variable-speed electric wheel hubs, it is characterized in that: 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) inboard is provided with the groove (36) that can insert projection (37) and damping spring (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200778683U CN201970791U (en) | 2011-03-14 | 2011-03-14 | Inner-control pawl speed changing electric wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200778683U CN201970791U (en) | 2011-03-14 | 2011-03-14 | Inner-control pawl speed changing electric wheel hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201970791U true CN201970791U (en) | 2011-09-14 |
Family
ID=44575895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200778683U Expired - Fee Related CN201970791U (en) | 2011-03-14 | 2011-03-14 | Inner-control pawl speed changing electric wheel hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201970791U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368357A (en) * | 2012-04-01 | 2013-10-23 | 蔡旭阳 | Transmission rotor with buffer function |
| CN107294277A (en) * | 2017-07-21 | 2017-10-24 | 杭州星冠机械科技有限公司 | A kind of wire drawing machine main drive gear |
-
2011
- 2011-03-14 CN CN2011200778683U patent/CN201970791U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368357A (en) * | 2012-04-01 | 2013-10-23 | 蔡旭阳 | Transmission rotor with buffer function |
| CN107294277A (en) * | 2017-07-21 | 2017-10-24 | 杭州星冠机械科技有限公司 | A kind of wire drawing machine main drive gear |
| CN107294277B (en) * | 2017-07-21 | 2024-03-26 | 杭州星冠机械科技有限公司 | Main transmission mechanism of wire drawing machine |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20150314 |
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