CN201161528Y - Shift electric driven hub - Google Patents
Shift electric driven hub Download PDFInfo
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- CN201161528Y CN201161528Y CNU2008200426451U CN200820042645U CN201161528Y CN 201161528 Y CN201161528 Y CN 201161528Y CN U2008200426451 U CNU2008200426451 U CN U2008200426451U CN 200820042645 U CN200820042645 U CN 200820042645U CN 201161528 Y CN201161528 Y CN 201161528Y
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Abstract
The utility model belongs to the technical field of vehicle wheels. A shift electric hub comprises a boss ring (1), a first end face (2), a first shaft hole (4), a second end face (3), a second shaft hole (5), a motor (6), a first hollow shaft (7), power cords (8), a casing body (9), a second hollow shaft (10), a hollow output shaft (11), an input shaft (12), a motor shaft (13), driven gears (14) and drive gears (15). The hollow output shaft (11) is provided with block moving groves (16), the driven gears (14) are equipped with recessed grooves (17), a block (19) which extends out the block moving groves (16) is positioned in a shaft hole (18) of the hollow output shaft (11), the block (19) has a guide hole (20) which is coaxial with the hollow output shaft (11), and a guide rod (21) which can drive the block (19) to slide in the shaft hole (18) and then to be locked in the recessed grooves (17) is arranged in the guide hole (20).
Description
Technical field
The utility model belongs to the wheel technical field.
Background technology
Existing electric wheel boss with shift mainly inputs to the voltage of motor by adjusting, change rotating speed of motor and carry out speed change.When but motor was adjusted to low-speed running, the power of its output is also corresponding to diminish, make battery-driven car in the upward slope process unable.If a change-speed box is installed in wheel hub, one because speed changer structure is big, and can't be provided with because of the finite volume of wheel hub.Two because change-speed box need carry out the speed change adjusting, and the export structure of its speed change regulating control mechanism can't solve.
The utility model content
The purpose of this utility model is to provide a kind of speed change regulating control simple, can realize the electric wheel boss with shift that the multi-stage mechanical speed change is regulated.
For realizing the purpose of this utility model, electric wheel boss with shift described in the utility model comprises the hub circle, and first end face of hub circle and the central authorities of second end face are respectively equipped with first axis hole and second axis hole.Be provided with motor in the described hub circle, be fixed with on the described motor can be in described first axis hole first hollow shaft in relative rotation, power lead extends out from first hollow shaft.Be fixed with casing on the described motor, in described second axis hole, be provided with relatively turnable second hollow shaft.Rotate in the described casing and be provided with hollow output shaft and input shaft, described hollow output shaft and hub circle driving coupling, described input shaft and motor shaft driving coupling.Described hollow output shaft is provided with at least two driven gears, and 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 hollow output shaft is provided with the group loose slot, described driven gear is provided with inner groovy, be provided with in the axis hole of hollow output shaft and stretch out the outer group of group loose slot, described group is provided with the pilot hole that is in same axis with hollow output shaft, is provided with in the described pilot hole can drive group and slide in axis hole and snap in adjust bar in the inner groovy.
First hollow shaft and second hollow shaft extend out to outside, hub circle two ends, fix first hollow shaft and second hollow shaft after because first hollow shaft and motor are fixed together, motor and casing are fixed together, and are fixed so motor is relative with casing.The motor energized, motor shaft produces rotation, drives input shaft and rotates, 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 group in axis hole by adjust bar, making group stretch out the outer part of group 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 first hollow shaft and second hollow shaft, 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, regulate the position of group in axis hole by adjust bar again, the pairing driven gear of group 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.
The utility model is regulated the position of group can realize that multi-change speed is regulated and then the rotating speed of adjusting hub circle, and its speed change is easy to adjust simple, and structure is tight when hollow output shaft and driven gear interlock, reliable operation, and durability is good.
Description of drawings
Fig. 1 is the three-dimensional assembly structure figure of first kind of embodiment of the utility model electric wheel boss with shift;
Fig. 2 is the sectional structure chart of first kind of embodiment of the utility model electric wheel boss with shift;
Fig. 3 is jump ring, input shaft, driving gear, driven gear, group, first recoil spring, second recoil spring, cushion collar, the adjust bar among Fig. 1, the three-dimensional assembly structure figure of hollow output shaft;
Fig. 4 is the three-dimensional structure diagram of the cushion collar among Fig. 3;
Fig. 5 is the three-dimensional structure diagram of the inner bolt hole gear among Fig. 1;
Fig. 6 is the three-dimensional structure diagram of the inner bolt hole gear upper bracket among Fig. 1;
Fig. 7 is the three-dimensional assembly structure figure of second kind of embodiment of the utility model electric wheel boss with shift;
Fig. 8 is the sectional structure chart of second kind of embodiment of the utility model electric wheel boss with shift;
Fig. 9 is jump ring, input shaft, driving gear, driven gear, group, first recoil spring, cushion collar, adjust bar, the retracing spring among Fig. 7, the assembly structure figure of hollow output shaft;
Figure 10 is the three-dimensional structure diagram of the positioning cam among Fig. 7;
Figure 11 is the three-dimensional structure diagram of the other direction of Figure 10;
Figure 12 is the three-dimensional structure diagram of the locating plate among Fig. 7;
Figure 13 is the three-dimensional structure diagram of the cushion collar among Fig. 7;
Figure 14 is the three-dimensional structure diagram of second hollow shaft among Fig. 7;
Figure 15 installs the three-dimensional assembly structure figure of oil cooling device and unidirectional drive device additional for second kind of embodiment of the utility model electric wheel boss with shift;
Figure 16 installs the sectional structure chart of oil cooling device and unidirectional drive device additional for second kind of embodiment of the utility model electric wheel boss with shift;
Figure 17 is driver blade, tilting spring, tilting key, hollow output shaft, driving gear, driven gear, input shaft, oil pump, the oil pump input shaft among Figure 15, the assembly structure figure of jump ring.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the utility model electric wheel boss with shift is described in further detail.
As shown in FIG., the utility model electric wheel boss with shift comprises electric wheel boss with shift, comprises hub circle 1, first end face 2, second end face 3, first axis hole 4, second axis hole 5, motor 6, first hollow shaft 7, power lead 8, casing 9, second hollow shaft 10, hollow output shaft 11, input shaft 12, motor shaft 13, driven gear 14, driving gear 15, group loose slot 16, inner groovy 17, axis hole 18, group 19, pilot hole 20, adjust bar 21, screw mandrel 22, inner bolt hole gear 23, stepping motor 24, guide chute 25, locating piece 26, cross bar 27, cylindrical cam 28, curved surface 29, plane of orientation 30, cushion collar 31, step 32, second recoil spring 33, boss 34, first recoil spring 35, backguy groove 36, locating plate 37, guide groove 38, directed projection 39, positioning recess 40, locating convex block 41, adjust bar retracing spring 42, locating plate spring 43, empty avoiding 44, driver blade 45, groove 46, projection 47, damping spring 48, hollow shaft bearing 49, generator shaft gear 50, input shaft gear 51, hollow output shaft axis hole 52, input shaft axis hole 53, bearing of input shaft 54, hollow output shaft bearing 55, the second hollow shaft axis hole 56, inner bolt hole gear lower bracket 57, inner bolt hole gear upper bracket 58, wheel rim 59, driven gear jump ring 60, adjust bar jump ring mounting groove 61, cushion collar jump ring mounting groove 62, step 63 in the cushion collar, backguy mounting hole 64, locating piece mounting groove 65, lug boss 66, oil sealing 67, oil duct 68, oil pump 69, oil pipe 70, radiator 71, oil pump input shaft 72, oil pump driving gear 73, hole 74, groove 75, tilting key loose slot 76, tilting key 77, tilting spring 78, tilting spring eye 79, oil duct attaching parts 80, oil outlet 81, interior step 82.
As shown in Figure 1 and Figure 2, hub circle 1 two ends are first end face 2 and second end face 3, and wherein first end face 2 is integrated with hub circle 1, second end face 3 by screw retention on hub circle 1.Also being provided with on first end face 2 can be with the brake disc of its rotation.Hub circle 1 is provided with wheel rim 59, can be used to lay tire.The central authorities of described first end face 2 and second end face 3 are respectively equipped with first axis hole 4 and second axis hole 5.Be provided with motor 6 in the described hub circle 1, be fixed with on the described motor 6 can be in described first axis hole 4 first hollow shaft 7 in relative rotation, power lead 87 extends out from first hollow shaft.Be fixed with casing 9 on the described motor 6, in described second axis hole 5, be provided with relatively turnable second hollow shaft 10.Between first axis hole 4 and first hollow shaft 7, be provided with hollow shaft bearing 19 between second axis hole 5 and second hollow shaft 10.So that first hollow shaft 7, second hollow shaft 10 be high speed rotating in first axis hole 4, second axis hole 5 respectively.
Correspondence is provided with hollow output shaft axis hole 52 and input shaft axis hole 53 on 9 two sidewalls of described casing, rotates respectively in described hollow output shaft axis hole 52 and the input shaft axis hole 53 and is provided with hollow output shaft 11 and input shaft 12.Also be respectively equipped with hollow output shaft bearing 55 and bearing of input shaft 54 in described hollow output shaft axis hole 52 and the input shaft axis hole 53, so that hollow output shaft 11 and input shaft 12 high speed rotating in hollow output shaft axis hole 52 and input shaft axis hole 53 respectively.Described motor 6 is provided with the motor shaft bearing, and motor shaft 13 is fixedly connected on the rotor, and motor shaft 13 is located in the motor shaft bearing.Motor shaft 13 outer ends are provided with generator shaft gear 50.The end that input shaft 12 stretches out input shaft axis hole 53 is provided with input shaft gear 51, input shaft gear 51 and generator shaft gear 50 engagements.The axial line of the axial line of described hollow output shaft 11 and second hollow shaft 10 is in same axis, the end that hollow output shaft 11 is stretched out hollow output shaft axis hole 52 is connected with described second end face 3, the centerline collineation of the axial line of hollow output shaft 11 and second end face 3, when hollow output shaft 11 is rotated, can drive second end face 3 simultaneously and rotate, thus the driving coupling of realization hollow output shaft 11 and hub circle 1.
As shown in Figure 3, described hollow output shaft 11 is provided with at least two driven gears 14, and driven gear 14 can rotate on hollow output shaft 11, the diameter difference of each driven gear 14.The corresponding driving gear 15 that is fixed with driven gear 14 engaged transmission on the described input shaft 12.The utility model is installed on the hollow output shaft 11 by driven gear jump ring 60 being provided with 14, three driven gears 14 of three driven gears on the hollow output shaft 11, and the diameter of each driven gear 14 on the hollow output shaft 11 reduces from the inside to the outside gradually.
Described hollow output shaft 11 is provided with group loose slot 16, group loose slot 16 grooves to the axially parallel of hollow output shaft 11, its length is greater than the driven gear 14 of the inner terminal distance to the driven gear 14 of outermost end.The group loose slot 16 of present embodiment is four, and each group loose slot 16 is parallel to each other, and direction is axially identical with hollow output shaft 11, is evenly distributed on the sidewall of hollow output shaft 11.Described driven gear 14 is provided with inner groovy 17, and the number of inner groovy 17 is identical with the number of group loose slot 16, also is the inboard that is evenly distributed on driven gear 14, and the position is also corresponding mutually with the position of group loose slot 16.Be provided with group 19 in the axis hole 18 of hollow output shaft 11, group 19 is a cross bar shape, and four ends of group 19 cross bares are stretched out outside the group loose slot 16 and can be slided at group loose slot 16.Described group 19 is provided with the pilot hole 20 that is in same axis with hollow output shaft 11, is movably equipped with in the described pilot hole 20 and can drives the adjust bar 21 that group 19 slides in axis hole 18.When group 19 slides in axis hole 18, group 19 stretches out group loose slot 16 outer parts and can snap in one by one in the inner groovy 17 of driven gear 14, after group 19 snaps in the inner groovy 17 of driven gear 14, this driven gear 14 just is connected transmission relatively with hollow output shaft 11, and other driven gear 14 still can rotate around hollow output shaft 11.
After motor 6 energisings were rotated, the generator shaft gear 50 of motor shaft 13 ends drove input shaft gear 51 and rotates, and rotated thereby drive input shaft 12.Three driving gears 15 of input shaft 13 rotate thereupon, with driving gear 15 ingear driven gears 14 also rotation thereupon.
Under the initial condition, group 19 in the axis hole 18 of hollow output shaft 11 stretches out group loose slot 16 outer parts and snaps in the inner groovy 17 of the most inboard driven gear 14, this driven gear 14 just and hollow output shaft 11 in conjunction with transmission, when driven gear 14 rotates, driving hollow output shaft 11 rotates, hollow output shaft 11 transmissions second end face 3 rotates, and hub circle 1 is rotated around first hollow shaft 7 and second hollow shaft 10, and be one grade this moment.
Regulate the position in axis hole 18 of group 19 by adjust bar 21, making group 19 stretch out the outer part of group loose slot 16 throws off with the inner groovy 17 of the driven gear 14 of inner segment, inner groovy 17 with the driven gear 14 of centre fastens again, and the driven gear 14 in the middle of this moment combines transmission with hollow output shaft 11.Because the diameter of middle driven gear 14 is littler than driven gear 14 diameters of interior fragment position, rotating speed is also fast than the locational driven gear of inner segment 14, and hollow output shaft 11 was just driven by the driven gear 14 of centre and rotated this moment, was second gear at this moment.
In like manner, regulate in the inner groovy 17 of driven gear 14 that group 19 snaps in the outermost section, hollow output shaft 11 is just driven by this driven gear 14, is third gear at this moment.
For prevent group 19 snap in simultaneously two adjacent driven gears 14 cause stuck, the setting that each driven gear 14 can be kept at a certain distance away, distance at interval should be at least be stretched out the outer part of group loose slot 16 greater than group 19.
Regulate groups 19 by adjust bar 21 and control interlock between driven gear 14 and the hollow output shaft 11, can realize that three-step gear shift regulates, more driven gear 14 is set just can realizes the multi-change speed adjusting.
Shown in Fig. 1,2,3,4,5,6, described adjust bar 21 extended end from the second hollow shaft axis hole 56 of second hollow shaft 10 is provided with screw mandrel 22, the axially parallel of the axial and axis hole 18 of screw mandrel 22.Described screw mandrel 22 is provided with the inner bolt hole gear 23 that in one plane rotates, the set-up mode of described inner bolt hole gear 23 is to be fixed with inner bolt hole gear lower bracket 57, inner bolt hole gear upper bracket 58 by nut on described second hollow shaft 10, and inner bolt hole gear 23 rotates between inner bolt hole gear lower bracket 57, inner bolt hole gear upper bracket 58.Described screw mandrel 23 is located in the screw of inner bolt hole gear 23.Inner bolt hole gear 23 and stepping motor 24 driving coupling that are fixed on second hollow shaft 10, described screw mandrel 22 is provided with axial guide chute 25, described second hollow shaft 10 is provided with the locating piece 26 that stretches in the guide chute 25, and locating piece 26 also can be located on inner bolt hole gear lower bracket 57 or the inner bolt hole gear upper bracket 58.
When the output shaft transmission inner bolt hole gear 23 of stepping motor 24 rotates, guide chute 25 and locating piece 26 match and can prevent screw mandrel 22 and one 23 rotations of inner bolt hole gear, under the cooperation of the screw of screw thread on the screw mandrel 22 and inner bolt hole gear 23, it is axially mobile in axis hole 18 that described screw mandrel 22 interlock adjusts bar 21 just can promote or spur group 19 like this.Group 19 moves to each driven gear 14 residing position, and the driven gear 14 of this position, place is combined with hollow output shaft 11.By the number of turns of control step motor 23 rotations, thereby the distance that control and regulation bar 21 and group 19 move in axis hole 18 is stuck in the inner groovy 17 of certain driven gear 14, and then realizes the shift speed governing.
Described adjust bar 21 is movably arranged in the pilot hole 20, and group 19 can slide on adjust bar 21.Described adjust bar 21 is provided with boss 34 in the both sides of group 19, and group 19 can be movable between two boss 34.Wherein the boss 34 of a side is integrated by adjust bar 21, the opposite side of adjust bar 21 is provided with adjust bar jump ring mounting groove 61, the boss 34 of opposite side is one to be installed in the jump ring in the adjust bar jump ring mounting groove 61, and group 19 just can be installed on the adjust bar 21 easily like this.Be provided with first recoil spring 35 between boss 34 and the group 19.First recoil spring 35 is enclosed within on the adjust bar 21, and an end withstands on adjust bar 21 on the boss 34 of axis hole 18 the inners, and the other end withstands on the group 19.
When adjust bar 21 when the outer extreme direction of axis hole 18 draws because driven gear 14 is moving in not stall always, group 19 can not in time snap in the inner card cage 17 apace, this moment, first recoil spring 35 was compressed.When driven gear 14 rotates up to inner card cage 17 positions corresponding group 19 when stretching out part outside the group loose slot 16, first recoil spring 35 oppresses group 19 that it is snapped in the inner card cage 17, can prevent to regulate mechanism's dieback of adjust bar like this.First recoil spring 35 also can withstand on adjust bar 21 on the boss 34 of axis hole 18 outer ends by an end, the other end withstands on the group 19, when adjust bar 21 when the interior extreme direction of axis hole 18 advances, first recoil spring 35 can play buffer action equally, prevents to regulate mechanism's dieback of adjust bar.First recoil spring 35 also can be provided with two, withstands between the both sides and two boss 34 of group 19, and when adjust bar 21 during to the outer extreme direction of axis hole 18 and the motion of interior extreme direction, first recoil spring 35 can prevent to regulate mechanism's dieback of adjust bar like this.
Be movably equipped with cushion collar 31 in the pilot hole 20 of described group 19, group 19 can rotate around cushion collar 31, also can endwisely slip along cushion collar 31.Adjust bar 21 is actively installed in the cushion collar 31, and cushion collar 31 can rotate around adjust bar 21, also can endwisely slip along adjust bar 21.Described cushion collar 31 is provided with outward extending step 32 in the both sides of group 19, group 19 can be movable between two steps 32.Wherein the step 32 of a side is integrated by cushion collar 31, the opposite side of cushion collar 31 is provided with cushion collar jump ring mounting groove 62, the step 32 of this side is one to be installed in the jump ring in the cushion collar jump ring mounting groove 62, and group 19 just can be installed on the cushion collar 31 easily like this.Cushion collar 31 1 ends withstand on adjust bar 21 on the boss 34 of axis hole 18 outer ends, and the inwall of cushion collar 31 is provided with step 63, the first recoil springs 35 in the cushion collar of extending internally and withstands on adjust bar 21 in the boss 34 of axis hole 18 the inners and cushion collar between the step 63.When adjust bar 21 drew to the outer extreme direction of axis hole 18, first recoil spring 35 can play buffer action, prevented to regulate mechanism's dieback of adjust bar.Described cushion collar 31 is provided with outward extending step 32 in the both sides of group 19, be provided with second recoil spring 33 between step 32 and the group 19, wherein to act on the direction of power of cushion collar 31 identical for first recoil spring 35 and second recoil spring 33, and second recoil spring 33 can withstand on cushion collar 31 between the step 32 and group 19 of axis hole 18 outer ends.When adjust bar 21 pushed away to the interior extreme direction of axis hole 18, second recoil spring 33 can play buffer action, prevented to regulate mechanism's dieback of adjust bar.
As Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, shown in Figure 13 and Figure 14, be outside they are different with embodiment 1: the end that described adjust bar 21 extends second hollow shaft 10 is provided with cross bar 27, described adjust bar 21 is provided with axial guide chute 25, described second hollow shaft 10 is provided with the locating piece 26 that stretches in the guide chute 25, the set-up mode of locating piece 26 is to offer locating piece mounting groove 65 in second hollow shaft, 10 outer ends, locating piece 26 is one to have the pad of inner convex platform, pad is enclosed within outside second hollow shaft 10, and inner convex platform stretches in the locating piece mounting groove 65.Turning set is provided with cylindrical cam 28 on described second hollow shaft 10, and described cross bar 27 is pressed on the curved surface 29 of cylindrical cam 28, and the curved surface 29 of described cylindrical cam 28 is provided with at least two plane of orientations 30.
Because the mutual action of locating piece 26 and guide chute 25, adjust bar 21 can not rotate, and can only endwisely slip.The rotation of control cylindrical cam 28, the curved surface 29 of cylindrical cam 28 makes the axial motion of cross bar 27 along cylindrical cam 28, drive adjust bar 21 axial motions, reach the purpose of regulating group 19 position in axis hole 18, curved surface 29 is provided with plane of orientation 30, plane of orientation 30 is used for the location of cross bar 27, and the position of each plane of orientation 30 is corresponding with group 19 residing gears, and the rotation by control and regulation cylindrical cam 28 can realize the shift operation like this.
Described cylindrical cam 28 is provided with the backguy groove 36 of annular, the bottom of cylindrical cam 28 is provided with two backguy mounting holes 64, the end of two backguys is separately fixed in two backguy mounting holes 64, then with backguy in backguy groove 36, spur backguy like this and just can drive cylindrical cam 28 and rotate.Be arranged with locating plate 37 that touches with cylindrical cam 28 bottom connections and the locating plate spring 43 that locating plate 37 is pushed up to cylindrical cam 28 on described second hollow shaft 10, second hollow shaft 10 is provided with axial guide groove 38, and locating plate 37 is provided with the directed projection 39 that stretches in the guide groove 38.Described cylindrical cam 28 bottoms are provided with positioning recess 40, and the position of positioning recess 40 is corresponding with the position of plane of orientation 30.Described locating plate 37 is provided with the locating convex block 41 that can snap in the positioning recess 40, and when cross bar 27 was in plane of orientation 30 on the curved surface 29, locating convex block 41 snapped in positioning recess 40 under the effect of locating plate spring 43, can prevent that cylindrical cam 28 is rotated further.During gear shift, the pulling backguy, after cylindrical cam 28 rotate in place, locating convex block 41 was deviate from from positioning recess 40, snapped in the pairing positioning recess 40 of next grade, so just can guarantee the stability of shift.
Described adjust bar 21 is provided with outward extending lug boss 66 on the part of second hollow shaft, 10 the inners, step 82 in being provided with in the hollow hole of described second hollow shaft 10, adjust bar retracing spring 42 is enclosed within on the adjust bar 21, two ends are pushed up respectively and are located on lug boss 66 and the interior step 82, adjust bar retracing spring 42 pushes away adjust bar 21 toward in, cross bar 27 on the adjust bar 21 just is pressed on the curved surface 29 of cylindrical cam 28, when cylindrical cam 28 rotates, curved surface 29 changes, adjust bar retracing spring 42 can make cross bar 27 keep contacting with curved surface 29, guarantees the stable of shift.
Be provided with cushion collar 31 in the pilot hole 20 of described group 19, adjust bar 21 is actively installed in the cushion collar 31, and the inwall of cushion collar 31 is provided with step 63 in the cushion collar that extends internally, and step 63 is between the boss 34 of adjust bar 21 in the cushion collar.First recoil spring 35 withstands on adjust bar 21 withstands on adjust bar 21 another boss 34 cushion collar 31 between the step 63 in the boss 34 of the inner of axis hole 18 and cushion collar.
When adjust bar 21 when the outer extreme direction of axis hole 18 draws, when group 19 can not in time snap in the inner card cage 17 apace, first recoil spring 35 was oppressed, the principle that plays buffer action is identical with embodiment 1.When adjust bar 21 when the interior extreme direction of axis hole 18 advances, when group 19 can not in time snap in the inner card cage 17 apace, this moment, 42 meetings of adjust bar retracing spring be oppressed, turn to when corresponding up to the inner card cage 17 of driven gear 14 with group, adjust bar retracing spring 42 just is pressed into group 19 in the inner card cage 17, prevent to regulate mechanism's dieback of adjust bar 21, adjust bar retracing spring 42 also plays buffer action at this moment.
As Fig. 3, shown in Figure 9, the inboard of described driven gear 14 be provided with the empty avoiding 44 of can ccontaining group 19 stretching out the outer part of group loose slot 16, and meanwhile the empty avoiding 44 of each driven gear 14 be located at.Empty avoiding 44 is a ring-shaped step, step width and stretch out the width and the length of the part of group loose slot 16 highly at least greater than group 19.When switching between the inner groovy 17 of group 19 at two adjacent driven gears 14, group 19 can fall in the empty avoiding 44, can not snap in the inner groovy 17 of two adjacent driven gears 14 simultaneously, can not cause adjacent driven gear 14 stuck, and each driven gear 14 just can be near being provided with, thereby reduce the length of hollow output shaft 11, be equivalent to dwindle the volume of speed-changing mechanism.
As Fig. 1, Fig. 2, Fig. 7, shown in Figure 8, the described hollow output shaft 11 and second hollow shaft 10 are in same axis, the end driving coupling of described hollow output shaft 11 has driver blade 45, and the end of figure hollow core output shaft 11 and driver blade 45 are the mode driving coupling to captive joint.Described driver blade 45 is provided with groove 46, and described second end face 3 inboards are provided with the projection 47 that can insert in groove 46, are provided with damping spring 48 between described groove 46 and projection 47.When hollow output shaft 11 is rotated, pass through foregoing description, can learn 45 rotations of driving driver blade, the projection 47 of second end face 3 can rotate a certain angle in groove 46 earlier and oppress damping spring 48, by damping spring 48 drive blockss 47 hub circle 1 is rotated together afterwards, realize the purpose of damping.
As Figure 15, shown in Figure 16, between described first axis hole 4 and first hollow shaft 7, be respectively equipped with oil sealing 67 between second axis hole 5 and second hollow shaft 10, when being full of lubricating oil in the hub circle 1, can prevent that lubricating oil is from flowing out between first axis hole 4 and first hollow shaft 7 and between second axis hole 5 and second hollow shaft 10, lubricating oil can be lubricated the gear in the hub circle 1, rotating shaft and bearing, is convenient to mechanical part and moves at the high speed revolution state.Described first hollow shaft 7 and the part of second hollow shaft 10 outside oil sealing 67 are respectively equipped with and pass to hub circle 1 in-to-in oil duct 68, and the open end in oil duct 68 outsides is located on the sidewall of first hollow shaft 7 and second hollow shaft 10.Wherein the oil duct 68 on first hollow shaft 7 extends along the housing of motor 6, and it is connected with oil pump 69 at hub circle 1 in-to-in open end, and the oil outlet 81 of oil pump 69 passes to hub circle 1 inside.The open end of described two oil ducts 68 outside hub circle 1 connects by oil pipe 70, and oil pipe 70 is communicated with by 80 sealings of oil duct attaching parts with oil duct 68.Oil duct attaching parts 80 is an annular, there is a circular groove inboard, the outside has a inner to extend to the through hole of circular groove, oil pipe 70 is inserted in the through hole, two oil duct attaching partss 80 are enclosed within on first hollow shaft 7 and second hollow shaft 10, circular groove is relative with the open end position in oil duct 68 outsides, is convenient to being connected of oil pipe 70 and oil duct 68 like this.Be provided with radiator 71 in described oil pipe 70 pipelines, radiator 71 can be the grid type radiator.When oil pump 69 rotates, lubricating oil can circulate in hub circle 1, oil pipe 70, radiator 71, when lubricating oil is flowed through radiator 71,71 pairs of lubricating oil radiating and coolings of radiator, lubricating oil reduces the motor in the hub circle 1 and the operating temperature of mechanical part as heat-conducting medium.
Described oil pump 69 is located on the motor 6, is fixed with and driven gear 14 ingear oil pump driving gears 73 driven gear 14 transmission oil pumps 69 rotation works on the oil pump input shaft 72.
As 15, Figure 16, shown in Figure 17, described driver blade 45 is provided with hole 74, the end of hollow output shaft 11 is arranged in the hole 74 rotationally, the end of hollow output shaft 11 is provided with the groove 75 of a plurality of even announcements, driver blade 45 is provided with two tilting key loose slots 76 on the wall in hole 74, be provided with tilting key 77 in the tilting key loose slot 76, tilting key 77 1 ends can be in tilting key loose slot 76 tilting, tilting key 77 is provided with to act on and makes the perk of one end be stuck in tilting spring 78 in the groove 75 on the driver blade 45.Driver blade 45 is provided with tilting spring eye 79, the open end of tilting spring eye 79 is towards the perk end of tilting key 77, tilting spring 78 is located in the tilting spring eye 79, and tilting spring 78 1 ends withstand on the bottom of tilting spring eye 79, and another withstands on the perk end of tilting key 77.
When hollow output shaft 11 was rotated, tilting key 77 was stuck in the groove 75 in next end perk of effect of tilting spring 78, and hollow output shaft 11 drives driver blade 45 and rotates.During hollow output shaft 11 backward rotation, the lateral surface of the perk end of tilting key 77 is by the compressing of groove 75 wall tops, and tilting spring 78 is compressed, and the perk end of tilting key 77 is absorbed in below 74 walls of hole, hollow output shaft 11 dallies in hole 74, has realized the unidirectional drive of hollow output shaft 11.
Each gear described in the utility model also can be belt pulley or sprocket wheel, and engaged transmission each other becomes belt or chain gear, also can reach the technique effect of driving coupling.
Claims (13)
1. an electric wheel boss with shift comprises hub circle (1), and first end face (2) of hub circle (1) and the central authorities of second end face (3) are respectively equipped with first axis hole (4) and second axis hole (5);
Be provided with motor (6) in the described hub circle (1), be fixed with on the described motor (6) can be in described first axis hole (4) first hollow shaft (7) in relative rotation, power lead (8) extends out from first hollow shaft (7);
Be fixed with casing (9) on the described motor (6), in described second axis hole (5), be provided with relatively turnable second hollow shaft (10);
Rotate in the described casing (9) and be provided with hollow output shaft (11) and input shaft (12), described hollow output shaft (11) and hub circle (1) driving coupling, described input shaft (12) and motor shaft (13) driving coupling;
Described hollow output shaft (11) is provided with at least two driven gears (14), and driven gear (14) can be in the last rotation of hollow output shaft (11), and the last correspondence of described input shaft (12) is fixed with the driving gear (15) with driven gear (14) engaged transmission;
It is characterized in that:
Described hollow output shaft (11) is provided with group loose slot (16), described driven gear (14) is provided with inner groovy (17), be provided with in the axis hole (18) of hollow output shaft (11) and stretch out the outer group (19) of group loose slot (16), described group (19) is provided with hollow output shaft (11) and is in the pilot hole (20) of same axis, is provided with in the described pilot hole (20) can drive group (19) and slide in axis hole (18) and snap in adjust bar (21) in the inner groovy (17).
2. electric wheel boss with shift according to claim 1, it is characterized in that: the end that described adjust bar (21) extends second hollow shaft (10) is provided with screw mandrel (22), described screw mandrel (22) is provided with the inner bolt hole gear (23) that in one plane rotates, inner bolt hole gear (23) and stepping motor (24) driving coupling that is fixed on second hollow shaft (10), described screw mandrel (22) is provided with axial guide chute (25), and described second hollow shaft (10) is provided with the locating piece (26) that stretches in the guide chute (25).
3. electric wheel boss with shift according to claim 1, it is characterized in that: the end that described adjust bar (21) extends second hollow shaft (10) is provided with cross bar (27), described adjust bar (21) is provided with axial guide chute (25), described second hollow shaft (10) is provided with the locating piece (26) that stretches in the guide chute (25), described second hollow shaft (10) is gone up turning set and is provided with cylindrical cam (28), described cross bar (27) is pressed on the curved surface (29) of cylindrical cam (28), and described cylindrical cam (28) is provided with at least two plane of orientations (30) on curved surface (29).
4. according to claim 1 or 2 or 3 described electric wheel boss with shift, it is characterized in that: described adjust bar (21) is movably arranged in the pilot hole (20), adjust bar (21) is provided with boss (34) in the both sides of group (19), is provided with first recoil spring (35) between boss (34) and the group (19).
5. electric wheel boss with shift according to claim 4, it is characterized in that: be provided with cushion collar (31) in the pilot hole (20) of described group (19), adjust bar (21) is actively installed in the cushion collar (31), the inwall of cushion collar (31) is provided with the step (63) in the cushion collar that extends internally, and first recoil spring (35) withstands on adjust bar (21) withstands on another boss of adjust bar (21) (34) cushion collar (31) between the step (63) in inner boss (34) of axis hole (18) and cushion collar.
6. electric wheel boss with shift according to claim 4, it is characterized in that: be movably equipped with cushion collar (31) in the pilot hole (20) of described group (19), adjust bar (21) is actively installed in the cushion collar (31), cushion collar (31) one ends withstand on the boss (34) of adjust bar (21) one sides, the inwall of cushion collar (31) is provided with step (63) in the cushion collar that extends internally, first recoil spring (35) withstands between the boss (34) and the interior step (63) of cushion collar of adjust bar (21) opposite side, described cushion collar (31) is provided with outward extending step (32) in the both sides of group (19), be provided with second recoil spring (33) between step (32) and the group (19), the direction of power that first recoil spring (35) and second recoil spring (33) act on cushion collar (31) is identical.
7. electric wheel boss with shift according to claim 3, it is characterized in that: described cylindrical cam (28) is provided with backguy groove (36), be arranged with the locating plate (37) that touches with cylindrical cam (28) bottom connection on described second hollow shaft (10) and with the locating plate spring (43) of locating plate (37) top to cylindrical cam (28), second hollow shaft (10) is provided with axial guide groove (38), locating plate (37) is provided with the directed projection (39) that stretches in the guide groove (38), described cylindrical cam (28) bottom is provided with positioning recess (40), and described locating plate (37) is provided with the locating convex block (41) that can snap in the positioning recess (40).
8. according to claim 3 or 5 or 7 described electric wheel boss with shift, it is characterized in that: described adjust bar (21) is provided with outward extending lug boss (66), and the top is provided with the cross bar (27) on the adjust bar (21) is pressed in adjust bar retracing spring (42) on the curved surface (29) of cylindrical cam (28) between described lug boss (66) and second hollow shaft (10).
9. electric wheel boss with shift according to claim 1 is characterized in that: described driven gear (14) is one side inboard be provided with the empty avoiding (44) of can ccontaining group (19) stretching out the outer part of group loose slot (16).
10. electric wheel boss with shift according to claim 1, it is characterized in that: described hollow output shaft (11) is in same axis with second hollow shaft (10), the end driving coupling of hollow output shaft (11) has driver blade (45), described driver blade (45) is provided with groove (46), described second end face (3) inboard is provided with the projection (47) that can insert in groove (46), is provided with damping spring (48) between described groove (46) and projection (47).
11. electric wheel boss with shift according to claim 1, it is characterized in that: between described first axis hole (4) and first hollow shaft (7), be respectively equipped with oil sealing (67) between second axis hole (5) and second hollow shaft (10), described first hollow shaft (7) and the part of second hollow shaft (10) outside oil sealing (67) are respectively equipped with and pass to hub circle (1) in-to-in oil duct (68), one of them oil duct (68) is connected with oil pump (69) at hub circle (1) in-to-in open end, the open end of described two oil ducts (68) outside hub circle (1) connects by oil pipe (70), is provided with radiator (71) in described oil pipe (70) pipeline.
12. electric wheel boss with shift according to claim 11 is characterized in that: described oil pump (69) is located on the motor (6), is fixed with on the oil pump input shaft (72) and driven gear (14) ingear oil pump driving gear (73).
13. electric wheel boss with shift according to claim 10, it is characterized in that: described driver blade (45) is provided with hole (74), the end of hollow output shaft (11) is arranged in the hole (74) rotationally, the end of hollow output shaft (11) is provided with groove (75), driver blade (45) is provided with tilting key loose slot (76) on the wall of hole (74), be provided with tilting key (77) in the tilting key loose slot (76), tilting key (77) is provided with to act on and makes the perk of one end be stuck in tilting spring (78) in the groove (75) on the driver blade (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200426451U CN201161528Y (en) | 2008-01-09 | 2008-01-09 | Shift electric driven hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200426451U CN201161528Y (en) | 2008-01-09 | 2008-01-09 | Shift electric driven hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201161528Y true CN201161528Y (en) | 2008-12-10 |
Family
ID=40182469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200426451U Expired - Fee Related CN201161528Y (en) | 2008-01-09 | 2008-01-09 | Shift electric driven hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201161528Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625854A (en) * | 2014-11-24 | 2016-06-01 | 麦格纳覆盖件有限公司 | Electromechanical strut with motor-gearbox assembly having dual stage planetary gearbox |
| CN105650151A (en) * | 2016-04-01 | 2016-06-08 | 郑成虎 | Wheel hub oil-pumping mechanism |
| CN105650152A (en) * | 2016-04-01 | 2016-06-08 | 郑成虎 | Automatically-cooled disc braking device |
| CN105697541A (en) * | 2016-04-01 | 2016-06-22 | 郑成虎 | Maintenance-free hub assembly |
-
2008
- 2008-01-09 CN CNU2008200426451U patent/CN201161528Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625854A (en) * | 2014-11-24 | 2016-06-01 | 麦格纳覆盖件有限公司 | Electromechanical strut with motor-gearbox assembly having dual stage planetary gearbox |
| CN105650151A (en) * | 2016-04-01 | 2016-06-08 | 郑成虎 | Wheel hub oil-pumping mechanism |
| CN105650152A (en) * | 2016-04-01 | 2016-06-08 | 郑成虎 | Automatically-cooled disc braking device |
| CN105697541A (en) * | 2016-04-01 | 2016-06-22 | 郑成虎 | Maintenance-free hub assembly |
| CN105697541B (en) * | 2016-04-01 | 2017-12-01 | 江朝汽车（金湖）有限公司 | A kind of non-maintaining hub assembly |
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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: 20081210 Termination date: 20130109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |