The cycle hub in removable axle center
Technical field
The present invention relates to a kind of bicycle quick hub device, particularly a kind of cycle hub of removable axle center.
Background technology
The wheel hub wheel shaft of ordinary bicycle is the fixed position being arranged on hub centre, and such bicycle usually can only as general walking-replacing tool, function singleness.The multiple demand of people's amusement and motion cannot be met.Therefore occurred some eccentric wheel bicycles, but the position of its core wheel is unadjustable, therefore uses inconvenience.Although also there is the bicycle of the position-adjustable of core wheel, mostly operation easier is large, use is inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of cycle hub of removable axle center simple to operate, easy to use.
According to an aspect of the present invention, provide the cycle hub in removable axle center, comprise hub shell, side cap, interior hub assembly, the axle center of load push-pull and band through hole, axes sleeve is contained in outside load push-pull, interior hub assembly is sleeved on outside axle center, hub valve jacket is contained in outside interior hub assembly, it is outer and be arranged on hub shell both sides that side cap is sleeved on interior hub assembly, axle center regulating control and interior hub assembly are connected, side cap has the arc opening being communicated with side cap center, interior hub assembly is sleeved in arc opening, when described interior hub assembly is positioned at the shaft core position of hub shell, hub assembly is positioned at the first working position, interior hub assembly arcuately opening movement be positioned at the second working position to hub assembly when being positioned at the eccentric position of hub shell, promoting load push-pull makes hub assembly in the regulating control promotion of axle center move around between the first working position and the second working position.When interior hub assembly is positioned at the first working position, the axle center of cycle hub is positioned at the positive heart position of wheel, and bicycle can be used as common cycling.When interior hub assembly is positioned at the second working position, the axle center of cycle hub is positioned at the eccentric position of wheel, and when riding, wheel meeting bob, can realize style and ride, to meet the needs of people's amusement and motion.
The invention has the beneficial effects as follows: the axle center of cycle hub can be made can to regulate back and forth between positive heart position and eccentric position by promoting load push-pull, to realize the variation of the mode of riding, regulating simple, easy to use.
In some embodiments, interior hub assembly comprises interior hub shell, steady arm, reaction gear and location bow, reaction gear two ends are equipped with circular groove, location bow is fixed in circular groove, steady arm and reaction gear to be all sleeved on outside axle center and to be positioned at hub shell, and steady arm is two and lays respectively at the both sides of reaction gear.Steady arm can engage with reaction gear or be separated with reaction gear.Reaction gear and axle center synchronous axial system when steady arm engages with reaction gear, when steady arm is separated with reaction gear, reaction gear is around axis rotation.The determining positions of the interior hub assembly center of bicycle nave boss.Steady arm can engage with reaction gear and make reaction gear and axle center synchronous axial system.
In some embodiments, axle center regulating control comprises eccentric gear, positive heart gear and 8 word steel rings, the core wheel of eccentric gear is hinged on side cap, the core wheel of positive heart gear is hinged on interior hub assembly, 8 word steel rings have two connected torus, two torus that eccentric gear and positive heart gear are set in 8 word steel rings engage each other, reaction gear and positive heart gears meshing, positive heart gear and interior hub shell hinged.Core wheel due to eccentric gear is hinged on side cap, and therefore eccentric gear can be followed the rotation of wheel and rotates and drive positive heart gear and reaction gear to rotate.When steady arm engages with reaction gear, shaft core position can be driven to deflect.
In some embodiments, interior hub assembly also comprises beat radius stay, and one end of beat radius stay is fixedly connected with interior hub shell, and the other end of beat radius stay is with hinged in hub shell.Beat radius stay can limit the beat radian in axle center and can play the effect of drawing very firm axle center.
In some embodiments, steady arm comprises locating piece, tommy and bearing pin, locating piece is provided with the first through hole, second through hole parallel with the first through hole and the third through-hole that also intersect vertical with the first through hole, axes sleeve is contained in the first through hole, tommy runs through the second through hole, and tommy one end is stretched out outside locating piece, and it is outer and be positioned at third through-hole that pin sleeve is contained in load push-pull, axle center is provided with radial through slotted eye, and pin sleeve is located in slotted eye.Bearing pin makes bearing pin and axle center can only synchronous axial system through the slotted eye in locating piece and axle center.And the slotted eye design in axle center makes bearing pin can slidably reciprocate at the axial direction in axle center.
In some embodiments, interior hub assembly also comprises every ratch, is contained in outside load push-pull every rack barrel, holds out against between two steady arms every ratch, and the distance between two steady arms is greater than the length sum that the axial length of reaction gear and tommy stretch out locating piece.When the tommy of reaction gear side inserts the circular groove of reaction gear side, the tommy of reaction gear opposite side must leave reaction gear, therefore, the steady arm of reaction gear side can only be had to engage reaction gear.
In some embodiments, circular groove is divided into two deep-slotted chip breakers by location bow, and tommy can insert in deep-slotted chip breaker with the movement of locating piece.When tommy inserts deep-slotted chip breaker, locating piece engage with reaction gear and makes reaction gear relative with axle center fixing, the positive heart take turns then under the rotation of wheel hub reaction gear periphery around, thus be with the position generation beat of the movable eccentric wheel impeller-hub heart.
In some embodiments, location bow is provided with slope tommy can being released deep-slotted chip breaker.When the position beat of interior hub assembly is to the one end of the arc opening on side cap, interior hub assembly cannot continue mobile again, but eccentric wheel is also rotated further in the rotation along with hub shell and continues to promote reaction gear rotation.Tommy is then crossed over slope and is pushed back in the second through hole of locating piece under the effect of rotating thrust.Thus making locating piece and reaction gear lose snap action, reaction gear then dallies outside axle center, and the position of interior hub assembly can realize location.
In some embodiments, steady arm also comprises steel ball spring screw, and locating piece has the fourth hole with the second through hole vertical connection, and steel ball spring screw is fixed in fourth hole, and tommy is provided with draw-in groove, and described steel ball spring screw matches with draw-in groove.Steel ball spring screw can snap in draw-in groove and make tommy can be subject to certain sealed power when inserting deep-slotted chip breaker, when the non-beat of interior hub assembly is to the one end of the arc opening on side cap, can be positioned at the position of inserting deep-slotted chip breaker to lock in place pin.When interior hub assembly beat cannot continue beat again to one end of the arc opening on side cap, the sealed power and being retracted into that the slope extruding tommy on the bow of location overcomes steel ball spring screw is pushed back in the second through hole of locating piece.
In some embodiments, the cycle hub in removable axle center also comprises slippery cover plate, and slippery cover plate is fixedly connected with interior hub assembly, slippery cover plate to cover on the arc opening of side cap and with side cap sliding block joint.Slippery cover plate lid serves the connection function between interior hub assembly and side cap, makes interior hub assembly and side cap energy synchronous axial system.
In some embodiments, the cycle hub in removable axle center also comprises driving and drives wheel, drives wheel and to be sleeved on outside axle center and to be fixedly connected with interior hub assembly.Drive wheel is connected with the stretcher of bicycle, for driving the vehicle wheel rotation of bicycle.
Accompanying drawing explanation
Fig. 1 is the package assembly schematic diagram of the cycle hub in the removable axle center of an embodiment of the present invention;
Fig. 2 is the decomposing schematic representation of the cycle hub of removable axle center shown in Fig. 1;
The interior hub assembly that Fig. 3 is the cycle hub of removable axle center shown in Fig. 1 and axle center regulating control unitized construction schematic diagram;
The decomposition texture schematic diagram that Fig. 4 is the interior hub assembly shown in Fig. 3 and axle center;
The decomposition texture schematic diagram that Fig. 5 bends for the reaction gear shown in Fig. 4 and location;
Fig. 6 is the cross-sectional view in the axle center shown in Fig. 4;
Fig. 7 is the structural representation of 8 word steel rings shown in Fig. 3;
Fig. 8 is the cross-sectional structure schematic diagram of interior hub assembly when being positioned at the first working position;
Fig. 9 is the cross-sectional structure schematic diagram of interior hub assembly when being positioned at the second working position.
Detailed description of the invention
Below in conjunction with accompanying drawing, invention is described in further detail.
With reference to Fig. 1, Fig. 2, Fig. 8 and Fig. 9, the cycle hub in removable axle center comprises hub shell 1, side cap 2, interior hub assembly 3, load push-pull 4, axle center regulating control 5, the axle center 6 of being with through hole and slippery cover plate 7.Axle center 6 is sleeved on outside load push-pull 4.Interior hub assembly 3 is sleeved on outside axle center 6.Hub shell 1 is sleeved on outside interior hub assembly 3.It is outer and be arranged on hub shell 1 both sides by screw that side cap 2 is sleeved on interior hub assembly 3.Axle center regulating control 5 and interior hub assembly 3 are connected.Side cap 2 has the arc opening 21 being communicated with side cap 2 center, interior hub assembly 3 is sleeved in arc opening 21.When interior hub assembly 3 is positioned at the shaft core position of hub shell 1, hub assembly 3 is positioned at the first working position.Interior hub assembly 3 arcuately opening 21 movement be positioned at the second working position to hub assembly 3 when being positioned at the eccentric position of hub shell 1.Promote load push-pull 4 to make axle center regulating control 5 promote interior hub assembly 3 to move around between the first working position and the second working position.Slippery cover plate 7 is fixedly connected with interior hub assembly 3.Slippery cover plate 7 to cover on the arc opening 21 of side cap 2 and with side cap 2 sliding block joint.Hub shell 1 is connected with the wheel rim of bicycle by steel wire.The two ends of interior hub assembly 3 are arranged on vehicle frame.
The cycle hub in removable axle center also comprises driving and drives wheel 8.Drive wheel 8 to be connected with the stretcher of bicycle by chain.Drive wheel 8 movable set outer and be fixedly connected with the threaded one end of interior hub assembly 3 in axle center 6.
With reference to Fig. 2, Fig. 3 and Fig. 4, interior hub assembly 3 comprises interior hub shell 31, steady arm 32, reaction gear 33 and location bow 34.Interior hub shell 31 comprises symmetrically arranged two halves housing, and the two ends of interior hub shell 31 all have axially outward extending threaded shaft 311.It is outer and be fixed on outside interior hub shell 31 with screw that above-mentioned slippery cover plate 7 is sleeved on threaded shaft 311.Driving is driven wheel 8 center and is had tapped bore, and this tapped bore matches with the threaded shaft 311 of interior hub shell 31.With reference to Fig. 5, reaction gear 33 two ends are equipped with circular groove 331, and location bow 34 is two pieces and is fixedly installed in circular groove 331 with welding or screw thread respectively.Circular groove 331 is divided into two deep-slotted chip breakers by location bow 34, and location bow 34 is provided with slope 341.Steady arm 32 and reaction gear 33 are all positioned at hub shell 31, and steady arm 32 is two and the symmetrical both sides being installed on reaction gear 33.Reaction gear 33 movable set is outside axle center 6.
With reference to Fig. 4, steady arm 32 comprises locating piece 321, tommy 322, bearing pin 323 and steel ball spring screw 327.Locating piece 321 is provided with the first through hole 324, second through hole 325 parallel with the first through hole 324 and the third through-hole 326 that also intersect vertical with the first through hole 324.Axle center 6 movable set is in the first through hole 324, and tommy 322 runs through the second through hole 325, and the length of tommy 322 is greater than the width of locating piece 321 in tommy 322 axis, and tommy 322 always has one end to stretch out outside locating piece 321.Bearing pin 323 is positioned at third through-hole 326.Bearing pin 323 has radial through hole, load push-pull 4 is through in the through hole of the radial direction of bearing pin 323.With reference to Fig. 4 and Fig. 6, axle center 6 is provided with the through slotted eye 61 of two radial directions, and bearing pin 323 is sheathed in slotted eye 61.Locating piece 321 has the fourth hole 328 with the second through hole 325 vertical connection, and steel ball spring screw 327 is fixed in fourth hole 328.Steel ball spring screw 327 comprises the screw, spring and the steel ball that are connected successively.Tommy 322 is provided with draw-in groove 3221, and the steel ball on steel ball spring screw 327 matches with draw-in groove.In Fig. 4, the structure of two steady arms 32 is identical, in order to clearly represent its structure in the drawings, a steady arm 32 only denotes the first through hole 324 and fourth hole 328 with dotted line, and only denote the first through hole 324 and third through-hole 326 with dotted line on another steady arm 32.
With reference to Fig. 3, Fig. 4 and Fig. 7, axle center regulating control 5 comprises eccentric gear 51, positive heart gear 52 and 8 word steel ring 53.The core wheel of eccentric gear 51 is hinged on side cap 2 by axostylus axostyle.The core wheel of positive heart gear 52 is hinged on interior hub assembly 3 by axostylus axostyle.8 word steel rings 53 have two connected torus, and eccentric gear 51 and positive heart gear 52 respectively movable set engage each other on two torus of 8 word steel rings 53.Reaction gear 33 engages with positive heart gear 52.Positive heart gear 52 is hinged with interior hub shell 31.
With reference to Fig. 4, interior hub assembly 3 also comprises every ratch 36, holddown spring 37 and jam nut 38.Be fixedly set in outside load push-pull 4 every ratch 36.Holddown spring 37 movable set is outside load push-pull 4.The two ends in axle center 6 have outside thread, and jam nut 38 is two and is arranged on the outside thread at two ends, axle center 6 respectively, is contained in outside axle center 6 by two of interior hub assembly 3 interior hub shell 31 lock sleeves.The inwall of interior hub shell 31 is withstood in holddown spring 37 one end, and the other end withstands bearing pin 323.Holddown spring 37 is two and lays respectively at the outside of two bearing pins 323.Load push-pull 4 runs through whole axle center 6, and interior hub assembly 3 is sleeved on outside axle center 6.Withstand on every ratch 36 between the bearing pin 323 on two steady arms 32, then push down bearing pin 323 by holddown spring 37 from both sides.The length sum that the axial length of reaction gear 33 and tommy 322 stretch out locating piece 321 is greater than by making the distance between two steady arms 32 every the effect of ratch 36.Can make interval constant spacing between two steady arms 32 every ratch 36, during to guarantee that the steady arm 32 of reaction gear 33 side engages with reaction gear 33, the steady arm 32 of reaction gear 33 opposite side does not engage with reaction gear 33.The steady arm 32 of reaction gear 33 opposite side is away from reaction gear 33, and the tommy 322 on it extrudes with side cap 2 and resets.Carry out engaging and resetting with reaction gear 33 in turn by two steady arms 32, interior hub assembly 3 and axle center 6 can be made to move around at the positive heart of wheel or the position of bias.
Load push-pull 4 comprises push rod 41 and steel wire tow line 42, and steel wire tow line 42 passes axially through push rod 41 and axle center 6 and the adjusting knob that two ends and bicycle handle bar locate is connected, and steel wire tow line is fixedly connected with by screw with push rod 41.Turn adjusting knob can pull steel wire tow line and promote load push-pull 4.Be fixedly connected with screw with steel wire tow line 42 every ratch 36.End, insertion axle center 6, push rod 41 one end, the other end is positioned at outside axle center 6.Push rod 41 plays the directional tagging to steel wire tow line 42.The equal movable set of axle center 6, bearing pin 323 and holddown spring 37 is outside steel wire tow line 42.
Pull load push-pull 4 to drive and promote bearing pin 323 moving axially along axle center 6 in the slotted eye 61 in axle center 6 every ratch 36, whole steady arm 32 is driven to move while bearing pin 323 movement, the end of the tommy 322 on the steady arm 32 of reaction gear 33 side is made to insert in the circular groove 331 of reaction gear 33 one end, steady arm 32 and reaction gear 33 are fastened, at this moment reaction gear 33 is relative with axle center 6 fixing, the positive heart take turns 52 then under the rotation of hub shell 1 reaction gear 33 periphery around, thus there is beat in the position that band movable eccentric wheel 51 promotes interior hub assembly 3 and axle center 6.When interior hub assembly 3 beat is to arc opening 21 end on side cap 2, slope 341 on the bow 34 of location extrudes tommy 322 and overcomes the sealed power of steel ball spring screw 327 and make its end be pushed back in the second through hole 325 of locating piece 321, now, one end away from reaction gear 33 of tommy 322 is then stretched out from the side away from reaction gear 33 of locating piece 321.At this moment lose sealed between steady arm 32 and reaction gear 33, interior hub assembly 3 and 6, axle center have rested on the position of arc opening 21 end.When the other end of arc opening 21 is arrived in hub assembly 3 in needs promote and axle center 6, load push-pull 4 is pulled to make the tommy 322 on the steady arm 32 of reaction gear 33 opposite side insert the circular groove 331 of reaction gear 33 other end, by the interlock of hub shell 1, eccentric wheel 51, just heart wheel 52 and steady arm 32 and reaction gear 33, when in promoting, hub assembly 3 and axle center 6 are moved to the other end of arc opening 21, when moving to end, slope 341 on the bow 34 of location extrudes tommy 322 and gets back in the second through hole 325 of locating piece 321, can complete the location in axle center 6.
Interior hub assembly 3 also comprises beat radius stay 35, and one end of beat radius stay 35 is engaged by draw-in groove with interior hub shell 31 and is fixedly connected with, and the other end and the hub shell 1 of beat radius stay 35 are hinged.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to the protection domain of invention.