CN111422000A - Adjustable eccentric bicycle hub clutch structure - Google Patents
Adjustable eccentric bicycle hub clutch structure Download PDFInfo
- Publication number
- CN111422000A CN111422000A CN201910055649.6A CN201910055649A CN111422000A CN 111422000 A CN111422000 A CN 111422000A CN 201910055649 A CN201910055649 A CN 201910055649A CN 111422000 A CN111422000 A CN 111422000A
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- bevel gear
- hub
- screw rod
- clutch
- telescopic screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/02—Hubs adapted to be rotatably arranged on axle
- B60B27/023—Hubs adapted to be rotatably arranged on axle specially adapted for bicycles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The present invention belongs to the field of bicycle hub technology. A hub clutch structure of an adjustable eccentric bicycle comprises a hub, a gear box, a gear shaft, a telescopic screw rod and a clutch, wherein the hub is provided with a hub cover and a square chute; the telescopic screw rod is assembled in a threaded hole of the bevel gear shaft, and the bevel gear is in meshing transmission with the bevel gear sleeved on the wheel shaft; the end parts of two bevel gears sleeved on the wheel shaft are respectively connected with a non-rotating clutch sliding part in a clamping way, a spring is propped against the clutch sliding parts, when the clutch sliding parts move to one bevel gear, the clutch sliding parts are locked with the bevel gear in a clamping way, at the moment, the bevel gear is meshed with a bevel gear to drive a bevel gear shaft to rotate around a telescopic screw rod, the telescopic screw rod extends out of or retracts into the bevel gear shaft under the action of threads, meanwhile, the telescopic screw rod also pulls open or reduces the central distance between a hub and the wheel shaft, when the telescopic screw rod extends out of or retracts into the bevel gear shaft to a set position, the hub can prop against a thimble, and the thimble props against an inclined plane ring to prop the clutch sliding parts and the bevel.
Description
Technical Field
The present invention belongs to the field of bicycle hub technology.
Background
Publication No. CN201685650 discloses a bicycle hub, which can adjust the eccentricity of a wheel shaft and a wheel to make a bicycle pitch and roll during riding; however, the structure integrity and control aspects have defects, unreasonableness and incompleteness, and the automatic travel clutch control mechanism is not provided, for example, when the hub is eccentric to a specified position, the gear and the lifting cannot be automatically stopped, and the gear transmission is stopped by manually shifting a switch cable, so that parts are extremely easy to be blocked or damaged, and the driving safety is affected. Publication No. CN203511156U, name: the bicycle hub control mechanism, its structural fittings are numerous, costly and relatively complicated, because the spring 19 presses the link 13, link 13 and control slide 18 are both apt to abrade and produce the internal resistance constantly rubs while riding; in addition, the slider 13 rotates around the wheel shaft 12 regardless of the operation of the lifting mechanism, and the internal resistance generated by the both is not small, which causes a lot of effort and effort to the rider.
Disclosure of Invention
The invention aims to solve the defects that the structure is reasonable, reliable and durable, the cost is low, the automatic clutch control mechanism of the adjustable eccentric bicycle hub clutch mechanism has fewer accessories and small friction internal resistance, so that a rider can ride the adjustable eccentric bicycle more easily and more easily, the operation is easy to convert the eccentricity of the wheel shaft and restore the central state of the wheel shaft, the lifting transmission mechanism can be automatically cut off at a set position when the wheel hub is eccentric and returns to the center, and the safe operation of a transmission lifting mechanism and a bicycle is absolutely ensured.
In order to achieve the purpose of the invention, the first technical scheme of the invention is as follows: an adjustable eccentric bicycle hub clutch structure comprises a hub tube, wherein a hub is provided with a hub cover, the hub cover is provided with a square sliding chute, a gear box is arranged in the hub, a wheel shaft penetrates through the square sliding chute, and the hub is fixedly connected with a telescopic screw rod;
the telescopic screw rod is assembled in a threaded hole of a bevel gear shaft, a bevel gear is arranged on the bevel gear shaft, and the bevel gear is in meshing transmission with a bevel gear sleeved on a wheel shaft;
the method is characterized in that: the end parts of two bevel gears sleeved on a wheel shaft are respectively connected with a non-rotating clutch sliding part in a clamping way, a spring is propped against the clutch sliding parts, when the clutch sliding parts move to one bevel gear, the clutch sliding parts are locked with the bevel gear in a clamping way, at the moment, the bevel gear is meshed with a bevel gear to drive a bevel gear shaft to rotate around a telescopic screw rod, the telescopic screw rod extends out of or retracts into the bevel gear shaft (21) under the action of threads, meanwhile, the telescopic screw rod (22) also pulls open or reduces the central distance between a hub pipe (1) and the wheel shaft, when the telescopic screw rod extends out of or retracts into the bevel gear shaft to a set position, the hub pipe can prop against a thimble, and the thimble props against a bevel ring to prop the clutch sliding parts and the bevel gear to.
The hub clutch structure of the adjustable eccentric bicycle is characterized in that: the end part of the clutch sliding part is provided with a clamping jaw which is connected with a clamping groove of the bevel gear in a clamping way, and the inner diameter of the clutch sliding part is provided with an orientation key which can slide on an orientation groove on the wheel shaft.
The hub clutch structure of the adjustable eccentric bicycle is characterized in that: the wheel shaft is provided with a hole communicated with the guide groove, and a push pin and a buffer spring which are pushed to the bolt and connected with the inclined plane ring are arranged in the hole.
In order to achieve the same purpose of the invention, the second technical scheme of the invention is as follows: an adjustable eccentric bicycle hub clutch structure comprises a hub tube, wherein the hub tube is provided with a hub cover, the hub cover is provided with a chute, a gear box is arranged in the hub tube, a wheel shaft penetrates through the chute, and the hub tube is fixedly connected with a telescopic screw rod;
the telescopic screw rod is assembled in a threaded hole of a bevel gear shaft, a bevel gear is arranged on the bevel gear shaft, and the bevel gear is in meshing transmission with a bevel gear sleeved on a wheel shaft;
the method is characterized in that: the end parts of two bevel gears sleeved on the wheel shaft are respectively clamped and connected with a non-rotating clutch sliding part, a spring is propped against the clutch sliding part, when the clutch sliding part moves to one bevel gear, the clutch sliding part is clamped and locked with the bevel gear, at the moment, the bevel gear is meshed with a bevel gear to drive a bevel gear shaft to rotate around a telescopic screw rod, the telescopic screw rod extends out of or retracts into the bevel gear shaft under the action of threads, meanwhile, the telescopic screw rod also pulls open or reduces the central distance between a hub pipe and the wheel shaft, when the telescopic screw rod extends out of or retracts into a set position in the bevel gear shaft, a lug arranged on a hub cover can prop against a shifting fork, and the shifting fork directly props up the clutch sliding part and the.
The hub clutch structure of the adjustable eccentric bicycle is characterized in that: the end part of the clutch sliding part is provided with a clamping jaw which is connected with a clamping groove of the bevel gear in a clamping way, and the inner diameter of the clutch sliding part is provided with an orientation key which can slide in an orientation groove on the wheel shaft.
In order to achieve the same purpose of the invention, the third technical scheme of the invention is as follows: an adjustable eccentric bicycle hub clutch structure comprises a hub tube, wherein the hub tube is provided with a hub cover, the hub cover is provided with a square chute, a gear box is arranged in the hub tube, a wheel shaft penetrates through the square chute, and the hub tube is fixedly connected with a telescopic screw rod;
the telescopic screw rod is assembled in a threaded hole of a bevel gear shaft, a bevel gear is arranged on the bevel gear shaft, and the bevel gear is in meshing transmission with a bevel gear sleeved on a wheel shaft;
the method is characterized in that: the axle is provided with a plurality of guide grooves, the bolt penetrates through a bolt hole and the guide grooves on the side wall of the clutch sliding piece, the end parts of the two bevel gears are respectively connected with the clutch sliding piece in a clamping way, the spring is propped against the clutch sliding piece, when the clutch sliding piece moves to one of the bevel gears, the clutch sliding piece is clamped and locked with the bevel gear, at the moment, the bevel gear is meshed with the bevel gear to drive the bevel gear shaft to rotate around the telescopic screw rod, the telescopic screw rod extends out or retracts from the bevel gear shaft under the action of threads, simultaneously, the telescopic screw rod also pulls open or reduces the central distance between the hub pipe and the axle, when the telescopic screw rod extends out or retracts to a set position in the bevel gear shaft, the hub pipe can prop against the thimble, and the thimble props against the bevel ring to separate the clutch sliding.
The hub clutch structure of the adjustable eccentric bicycle is characterized in that: the end part of the clutch sliding part is provided with a clamping jaw which is connected with a clamping groove of the bevel gear in a clamping way.
The hub clutch structure of the adjustable eccentric bicycle is characterized in that: the hole of the wheel shaft is communicated with all the guide grooves, and a push pin and a buffer spring are arranged in the hole and push against the bolt to be connected with the linkage piece.
In order to achieve the same purpose of the invention, the fourth technical scheme of the invention is as follows: an adjustable eccentric bicycle hub clutch structure comprises a hub tube, wherein the hub tube is provided with a hub cover, the hub cover is provided with a square chute, a gear box is arranged in the hub tube, a wheel shaft penetrates through the square chute, and the hub tube is fixedly connected with a telescopic screw rod;
the telescopic screw rod is assembled in a threaded hole of a bevel gear shaft, a bevel gear is arranged on the bevel gear shaft, and the bevel gear is in meshing transmission with a bevel gear sleeved on a wheel shaft;
the method is characterized in that: the axle is provided with a plurality of guide grooves, the bolt penetrates through the bolt hole and the guide grooves on the side wall of the clutch sliding part, the end parts of the two bevel gears are respectively connected with the clutch sliding part in a clamping way, the spring is propped against the clutch sliding part, when the clutch sliding part moves to one of the bevel gears, the clutch sliding part is clamped and locked with the bevel gear, at the moment, the bevel gear is meshed with the bevel gear to drive the bevel gear shaft to rotate around the telescopic screw rod, the telescopic screw rod extends out or retracts from the bevel gear shaft under the action of threads, simultaneously, the telescopic screw rod also pulls or reduces the central distance between the hub pipe and the axle, when the telescopic screw rod extends out or retracts to a set position in the bevel gear shaft, the lug arranged on the hub cover can prop against the shifting fork, and the clutch sliding part.
The hub clutch structure of the adjustable eccentric bicycle is characterized in that: the hole of the wheel shaft is communicated with all the guide grooves, and a push pin and a buffer spring are arranged in the hole and push against the bolt to be connected with the linkage piece.
The invention has convenient and simple operation, reliable structure, less accessories, less internal resistance and low cost when changing the riding mode; the control structure reasonably cuts off the lifting transmission mechanism automatically after the wheel shaft is eccentric or recovers to the center to stop the telescopic parts, so that the wheel shaft stops at the original set position, the thimble, the shifting fork and the clutch sliding piece control and lock the bevel gear to be combined and separated, and the shifting fork in the shape of an inclined plane and the annular sleeve pushing piece are arranged to automatically control the clutch sliding piece and the bevel gear to be separated automatically.
Drawings
FIG. 1 is an exploded perspective view of a first embodiment of an adjustable over-center bicycle hub clutch assembly according to the present invention;
FIG. 2 is a cross-sectional view of the assembled rear axle in an off-center position for the first embodiment of the adjustable over-center bicycle hub clutch configuration of the present invention;
FIG. 3 is a cross-sectional view of the assembled rear axle in a center position of the first embodiment of the adjustable over-center bicycle hub clutch configuration of the present invention;
FIG. 4 is a perspective view of a second embodiment of an adjustable over-center bicycle hub clutch assembly according to the present invention;
FIG. 5 is a cross-sectional view of the assembled rear axle in an off-center position for the second embodiment of the adjustable over-center bicycle hub clutch configuration of the present invention;
FIG. 6 is a cross-sectional view of the assembled rear axle in a center position of the second embodiment of the adjustable over-center bicycle hub clutch configuration of the present invention;
FIG. 7 is a perspective view of a third embodiment of an adjustable over-center bicycle hub clutch assembly according to the present invention;
FIG. 8 is a cross-sectional view of the assembled rear axle in an off-center position for the third embodiment of the adjustable over-center bicycle hub clutch configuration of the present invention;
FIG. 9 is a cross-sectional view of the assembled rear axle in a center position of the third embodiment of the adjustable over-center bicycle hub clutch configuration of the present invention;
FIG. 10 is a perspective view of a fourth embodiment of an adjustable over-center bicycle hub clutch assembly shown in an exploded view in accordance with the present invention;
FIG. 11 is a cross-sectional view of the assembled rear axle in the off-center position of the hub for the fourth embodiment of the adjustable over-center bicycle hub clutching structure of the present invention;
FIG. 12 is a cross-sectional view of the assembled rear axle at the center of the hub for the fourth embodiment of the adjustable over-center bicycle hub clutch configuration of the present invention;
FIG. 13 is a perspective view of the bevel gear meshing with the bevel gear of the adjustable eccentric bicycle hub clutch configuration of the present invention;
FIG. 14 is a perspective view of the first and second embodiments of the linkage and annular sleeve of the adjustable over-center bicycle hub clutch configuration of the present invention;
FIG. 15 is a perspective view of a fork of the adjustable eccentric bicycle hub clutching structure of the present invention;
FIG. 16 is a perspective view of a clutch slider and bevel gear for a first and second embodiments of an adjustable eccentric bicycle hub clutch structure in accordance with the present invention;
FIG. 17 is a perspective view of the axle of the first and second embodiments of the clutch mechanism for an adjustable over-center bicycle hub in accordance with the present invention;
FIG. 18 is a perspective view of a clutch slider and bevel gear for a third and fourth embodiments of an adjustable eccentric bicycle hub clutch structure in accordance with the present invention;
FIG. 19 is a perspective view of the axle of the third embodiment of the clutch mechanism for an adjustable over-center bicycle hub in accordance with the present invention;
FIG. 20 is a perspective view of the axle of the fourth embodiment of the clutch mechanism for an adjustable over-center bicycle hub in accordance with the present invention;
FIG. 21 is a perspective view of the axle in the center of the hub for the clutch mechanism of the adjustable eccentric bicycle hub of the present invention;
FIG. 22 is a perspective view of the hub eccentric center of the axle of the adjustable eccentric center bicycle hub clutch structure of the present invention.
Detailed Description
The following provides a more detailed description of the clutch structure of the eccentric-adjustable bicycle hub according to the present invention, with reference to the accompanying drawings.
As shown in the drawings, the hub 1, the bolt 2, the push pin 3, the gear box 4, the protrusion 5, the square sliding groove 6, the square orientation block 7, the brake disc 8, the dust guard 9, the shift fork 10, the bolt 11, the wheel shaft 12, the clutch slider 13, the screw 14, the spring 15, the orientation key 16, the snap spring 17, the link 18, the hub cap 19, the bevel gear 20, the bevel gear shaft 21, the expansion screw 22, the bevel gear 23, the bevel 24, the plug pin 25, the return spring 26, the flywheel 27, the hole (29), the guide groove 30, the orientation groove 31, the bevel ring 32, the snap groove 33, the pawl 34, the plug hole 35, the threaded hole 36, the cushion spring 38, the push pin 39, the push down hand 40, the pull cable 41, and the rocker arm 42 of the bicycle hub control structure.
The two ends of the wheel shaft extend out of the hub end cover, the two ends of the wheel shaft are fixed behind a frame of the bicycle, the whole wheel hub assembly is sleeved on the wheel shaft, and the wheel hub rotates under the matching of the square sliding groove and the square orientation block to drive the whole wheel hub assembly to rotate around the wheel shaft. After one bevel gear is locked by the clutch sliding piece, the bevel gear shaft starts to rotate around the telescopic screw rod when the hub rotates, the telescopic screw rod extends out or retracts into the bevel gear shaft under the action of the threads, and meanwhile, the telescopic screw rod also pulls open or reduces the distance between the hub pipe and the wheel shaft, so that the position of the wheel shaft in the eccentricity or the center of the hub pipe is realized.
Example 1
As shown in fig. 1, 2, 3, 13, 14, 16, 17, 21 and 22, the adjustable over-center bicycle hub clutch structure is described.
The clutch sliding piece 13 is sleeved on the wheel shaft 12, the directional key 16 on the clutch sliding piece 13 is matched with the directional groove 31 on the wheel shaft 12, the clutch sliding piece 13 only slides on the wheel shaft 12 axially and cannot rotate radially, when the clutch sliding piece 13 moves to one bevel gear 23, the claws 34 and the grooves 33 of the clutch sliding piece 13 and the bevel gear are locked in a clamping way, the hub tube 1 drives the gear box 4 to drive the whole hub assembly to rotate around the clutch sliding piece 13 and the wheel shaft 12 through the hub cover 19, after the bevel gear 23 is locked in a clamping way with the clutch sliding piece 13, the locked bevel gear 23 is meshed with the bevel gear 20 to drive the bevel gear shaft 21 to rotate, the inner diameter of the bevel gear shaft 21 is provided with a threaded hole 36, a telescopic screw rod 22 with threads is arranged in the threaded hole 36, the telescopic screw rod 22 is fixed on the hub tube 1 by a bolt 11, the telescopic screw rod 22 extends out or, thereby pulling or reducing the distance between the hub 1 and the center of the axle 12.
The eccentricity or the center recovery of the wheel axle 12 at the position of the wheel hub 1 is realized by that when the wheel rotates, a knob switch on a knob handle pulls a pull cable 41 to pull a rocker arm 42 to push a push pin 3 and a clutch slider 13 inwards, the right clutch slider 13 is separated from a bevel gear 23, the left clutch slider 13 is clamped and locked with the left bevel gear 23 under the pressure of a spring 15 (shown in figures 2 and 22), the locked bevel gear 23 does not rotate, the bevel gear 23 is meshed and rotated with a bevel gear 20 to drive a bevel gear shaft 21 to rotate, the bevel gear shaft 21 rotates around a telescopic screw 22, the telescopic screw 22 extends outwards from the bevel gear shaft 21 under the action of a threaded hole 26, the telescopic screw 22 extends out and simultaneously pushes the wheel hub tube 1 and the axle distance of the wheel axle 12 to be pulled, and the wheel hub is realized without deviating and not askew under the matching of a square chute 6 and a square orientation block 7 of an end cover 19, when the wheel shaft 12 and the wheel hub 1 are eccentric to the original set position, the inner diameter of the wheel hub 1 starts to push against the ejector pin 39, because the ejector pin 39 is conical, the ejector pin 39 pushes against the inclined surface 24 of the inclined surface ring 32 to force the linkage piece 18, the foot at one end of the linkage piece 18 extends along the orientation groove 31 to contact with the clutch sliding piece 13, when the ejector pin 39 pushes against the inclined surface ring 39 linkage piece 18, the clutch sliding piece 13 is pushed to overcome the elastic force of the spring 15 to push the linkage piece 18 to separate the clutch sliding piece 13 and the bevel gear 23 along the orientation groove 31, (meanwhile, the inclined surface ring 32 also overcomes the elastic force of the buffer spring 38), at the moment, the bevel gear 23 and the bevel gear 20 stop meshing rotation, the bevel gear shaft 21 and the bevel gear 23 only idle around the wheel shaft 12, so that the bevel gear 23 and the clutch sliding piece 13 are automatically separated to control the telescopic assembly to stop working, at the moment, the wheel shaft 12 stays at the original set eccentric position on the hub tube 1, so that the bicycle is in a fluctuating and bumpy running state during running.
When the pull cable 41 is released by the knob switch on the handle bar as shown in fig. 3, the pressure of the spring 15 on the right side is greater than that of the spring 15 on the left side, the right clutch slider 13 and the bevel gear 23 on the right side are closed under the pressure of the spring 15 on the right side, the claws 34 of the clutch slider and the bevel gear 23 on the right side are engaged with the engaging grooves 33, the bevel gear 23 on the right side is locked, the locked bevel gear 23 is not rotated, the bevel gear 23 on the right side is engaged with the bevel gear 20 to rotate the bevel gear shaft 21 (in reverse rotation with the above eccentricity), the bevel gear shaft 21 is retracted into the bevel gear shaft 21 under the action of the threaded hole 36 when rotating around the telescopic screw 22, the telescopic screw 22 is retracted and simultaneously pulls the axial distance between the hub 1 and the wheel axle 12 to be close, the thimble 39 starts to abut against the bevel ring 32 when the hub 1 and the wheel axle 12 return to the original concentric position, because the thimble 39 is tapered, the, the foot of one end of the linkage piece 18 extends along the directional groove 31 to contact the clutch sliding piece 13, when the thimble 39 is forced to push against the bevel ring 39 linkage piece 18, the clutch sliding piece 13 is pushed to overcome the elastic force of the right spring 15 to push the linkage piece 18 to push the clutch sliding piece 13 and the bevel gear 23 to separate along the directional groove 31, at this time, the bevel gear 23 and the bevel gear 20 stop meshing and rotating, the bevel gear 20 and the bevel gear shaft 21 and the bevel gear 23 only idle around the wheel shaft 12, so that the automatic separation of the bevel gear 23 and the clutch sliding piece 13 is realized to control the telescopic assembly to stop working, at this time, the bevel gear 23 only idle around the wheel shaft 12, so that the automatic separation of the clutch sliding piece 13 and the bevel gear 23 is realized to control the telescopic assembly to stop working, the wheel shaft 12 and the wheel hub 1 are kept in a concentric position (the heave and bump running is cancelled), and the bicycle is in a parallel and smooth running state.
Example 2
As shown in fig. 4, 5, 6, 13, 14, 15, 16 and 17, the second embodiment is described.
As shown in figure 5, a knob switch tension cable 41 on a twist handlebar pulls a rocker arm 42 to push a push pin 3 and a right clutch sliding piece 13 inwards, the right clutch sliding piece 13 leaves a bevel gear 23 and is separated from the bevel gear 23, the left clutch sliding piece 13 is locked with the left bevel gear 23 under the pressure of a spring 15, the locked bevel gear 23 does not rotate, the bevel gear 23 is meshed with a bevel gear 20 to rotate to drive a bevel gear shaft 21 to rotate, the bevel gear shaft 21 rotates around a telescopic screw 22, the telescopic screw 22 extends outwards from the bevel gear shaft 21 under the action of a threaded hole 26 at the moment, the telescopic screw 22 extends out and simultaneously pushes away the axial distance between a hub 1 and a wheel shaft 12 to pull away, the wheel shaft 12 and the wheel hub 1 are eccentric without deviating under the matching of a square chute 6 and a square orientation block 7 of an end cover 19, and a lug 5 on the outer side of the hub cover 19 starts to push against a bolt 2 and a shifting fork 10 when the wheel shaft 12 and the wheel hub 1 are eccentric to the original set position, because the shifting fork 10 is provided with the inclined surface 24, the inclined surface 24 of the shifting fork 10 is forced to abut against the clutch sliding piece 13 to overcome the elastic force of the spring 15 to abut the clutch sliding piece 13 and the bevel gear 23 to be separated, at the moment, the bevel gear 23 and the bevel gear 20 stop meshing and rotating, the bevel gear shaft 21 and the bevel gear 23 of the bevel gear 20 only idle around the wheel shaft 12, so that the automatic separation of the bevel gear 23 and the clutch sliding piece 13 is realized to control the telescopic assembly to stop working, at the moment, the bevel gear 23 only idle around the wheel shaft 12, the wheel shaft 12 is stopped at the original set eccentric position in the hub pipe 1, and the bicycle is in a fluctuating.
As shown in FIG. 6, when the knob switch on the handle loosens the cable 41, the pressure of the right spring 15 is greater than that of the left spring 15, the right clutch slider 13 and the right bevel gear 23 move closer under the pressure of the right spring 15, the jaws 34 of the clutch slider and the right bevel gear 23 are engaged with the slots 33, the right bevel gear 23 is locked, the locked bevel gear 23 does not rotate, the right bevel gear 23 is engaged with the bevel gear 20 to rotate the bevel gear shaft 21 (in a reverse direction to the above eccentric position), the bevel gear shaft 21 retracts into the bevel gear shaft 21 under the action of the threaded hole 36 when rotating around the telescopic screw 22, the telescopic screw 22 retracts and simultaneously pulls the hub tube 1 to approach the axle 12, when the hub 1 and the axle 12 return to the original concentric position, the bump 5 on the outer side of the hub cover 19 starts to push against the bolt 2 and the fork 10, because the fork 10 is provided with the inclined surface 24, the inclined plane 24 of the shifting fork 10 is forced to abut against the clutch sliding part 13 to overcome the elastic force of the spring 15 to prop the clutch sliding part 13 and the bevel gear 23 to be separated, at the moment, the bevel gear 23 and the bevel gear 20 stop meshing and rotating, the bevel gear shaft 21 and the bevel gear 23 of the bevel gear 20 only idle around the wheel shaft 12, so that the bevel gear 23 is automatically separated from the clutch sliding part 13 to control the telescopic assembly to stop working, at the moment, the bevel gear 23 only idle around the wheel shaft 12, so that the clutch sliding part 13 is automatically separated from the bevel gear 23 to control the telescopic assembly to stop working, the wheel shaft 12 and the hub 1 are stopped at a concentric position (the heave and bump driving is cancelled), and the bicycle is in.
Example 3
Referring to fig. 7, 8, 9, 13, 18 and 19, a third embodiment is different from the first and second embodiments in that no positioning groove 31 is formed on the wheel shaft, 3 guide grooves 30 are formed on the wheel shaft 12, no guide key 16 is arranged in the inner hole of the clutch slider 13 of the guide key 16, a pin hole 35 is formed in the clutch slider 13 in the radial direction, the pin 25 connects the clutch slider 13 with the wheel shaft 12, the clutch slider 13 is not allowed to rotate around the wheel shaft 12, and the clutch slider 13 can only move axially on the wheel shaft 12. The eccentricity or the center recovery of the control wheel axle 12 at the position of the hub tube 1 is realized by pulling a rocker arm 42 of a knob switch tensioning cable 41 on a knob handle to push the push pin 3, the clutch slider 13 and the linkage element 18 inwards when a wheel rotates, separating the right clutch slider 13 from the bevel gear 23, locking the left clutch slider 13 with the left bevel gear 23 under the pressure of a spring 15 (shown in figure 8), preventing the locked bevel gear 23 from rotating, driving the bevel gear shaft 21 to rotate by the meshing rotation of the bevel gear 23 and the bevel gear 20, rotating the bevel gear shaft 21 around the telescopic screw rod 22, extending the telescopic screw rod 22 outwards from the bevel gear shaft 21 under the action of the threaded hole 26, pushing the wheel axle 1 and the wheel axle 12 to be pulled apart while extending the telescopic screw rod 22, realizing the eccentricity of the wheel axle 12 and the hub tube 1 without deflection under the matching of the square chute 6 and the square orientation block 7 of the end cover 19, when the wheel axle 12 and the wheel hub tube 1 are eccentric to the original set position, the inner diameter of the wheel hub 1 starts to prop against the thimble 39, because the thimble 39 is conical, the thimble 39 is conical to prop against the inclined surface 24 of the inclined surface ring 32 to force the linkage member 18, the inclined surface ring 32 pushes one end of the linkage member 18 through the bolt 25 to extend along the hole 29 and contact with the bolt 25 on the clutch sliding member 13, pushes the clutch sliding member 13 to prop the clutch sliding member 13 and the bevel gear 23 apart against the elastic force of the spring 15, (meanwhile, the inclined surface ring 32 overcomes the elastic force of the buffer spring 38), at this time, the bevel gear 23 and the bevel gear 20 stop meshing rotation, the bevel gear shaft 21 and the bevel gear 23 of the bevel gear 20 only idle rotate around the wheel axle 12, so that the bevel gear 23 and the clutch sliding member 13 are automatically separated to control the telescopic assembly to stop working, at this time, the bevel gear 23 only idle around the wheel axle, the bicycle is driven in a fluctuating and bumpy state.
As shown in FIG. 9, when the knob switch on the handle loosens the cable 41, the pressure of the spring 15 on the right side is greater than that of the spring 15 on the left side, the right clutch slider 13 and the bevel gear 23 on the right side are closed under the pressure of the spring 15 on the right side, the claws 34 of the clutch slider and the bevel gear 23 on the right side are engaged with the engaging grooves 33, the bevel gear 23 on the right side is locked, the locked bevel gear 23 is not rotated, the bevel gear 23 on the right side is engaged with the bevel gear 20 to rotate the bevel gear shaft 21 (in reverse rotation with the above eccentricity), the bevel gear shaft 21 is retracted into the bevel gear shaft 21 under the action of the threaded hole 36 when rotating around the telescopic screw 22, the telescopic screw 22 is retracted and simultaneously pulls the axial distance between the hub 1 and the wheel axle 12 to be close, the thimble 39 starts to abut against the bevel ring 32 when the hub 1 and the wheel axle 12 return to the original concentric position, because the thimble 39 is tapered, the thimble 39, the bevel ring 32 pushes the bolt 25 at one end of the linkage element 18 along the hole 29 to extend and contact with the clutch slider 13 through the bolt 25, the clutch slider 13 is pushed to push the clutch slider 13 and the bevel gear 23 to be separated against the elastic force of the spring 15, at the moment, the bevel gear 23 and the bevel gear 20 stop meshing rotation, the bevel gear shaft 21 and the bevel gear 23 of the bevel gear 20 only idle around the wheel shaft 12, so that the bevel gear 23 and the clutch slider 13 are automatically separated to control the telescopic assembly to stop working, at the moment, the bevel gear 23 only idle around the wheel shaft 12, so that the clutch slider 13 and the bevel gear 23 are automatically separated to control the telescopic assembly to stop working, the wheel shaft 12 and the hub 1 are stopped at concentric positions (the bumpy and fluctuated running is cancelled), and the bicycle is in a.
Example 4
As shown in fig. 10, 11, 12, 13, 18 and 20, the fourth embodiment is different from the first, second and third embodiments in that 2 guide grooves 30 are formed in the wheel shaft 12, the inner hole of the clutch slider 13 is not provided with the guide key 16, the latch hole 35 is formed in the radial direction of the clutch slider 13, the latch 25 connects the clutch slider 13 with the wheel shaft 12, the clutch slider 13 is not allowed to rotate around the wheel shaft 12, and the clutch slider 13 can only move axially on the wheel shaft 12. The push needle 3 and the right clutch sliding piece 13 are pushed inwards by a rocker arm 42 of a knob switch tensioning cable 41 on a turning handle, the right clutch sliding piece 13 is separated from the bevel gear 23, the left clutch sliding piece 13 is clamped and locked with the left bevel gear 23 under the pressure of a spring 15 (shown in figure 11), the locked bevel gear 23 does not rotate, the bevel gear 23 is meshed with the bevel gear 20 to rotate so as to drive the bevel gear shaft 21 to rotate, the bevel gear shaft 21 rotates around the telescopic screw rod 22, the telescopic screw rod 22 extends outwards from the bevel gear shaft 21 under the action of the threaded hole 26 at the moment, the telescopic screw rod 22 extends out and simultaneously pushes away the axial distance between the hub 1 and the wheel shaft 12, the wheel shaft 12 and the wheel hub 1 are eccentric without deflection under the matching of the square chute 6 and the square orientation block 7 of the end cover 19, and when the wheel shaft 12 and the wheel hub pipe 1 are eccentric to the original set position, the lug 5 outside the wheel hub cover 19 starts to push against the bolt 2 and the shifting, because the shifting fork 10 is provided with the inclined surface 24, the inclined surface 24 of the shifting fork 10 is forced to abut against the clutch sliding piece 13 to overcome the elastic force of the spring 15 to abut the clutch sliding piece 13 and the bevel gear 23 to be separated from each other, (meanwhile, the clutch sliding piece 13 also overcomes the elastic force of the buffer spring 38), at the moment, the bevel gear 23 and the bevel gear 20 stop meshing rotation, the bevel gear shaft 21 and the bevel gear 23 of the bevel gear 20 only idle around the wheel shaft 12, so that the automatic separation of the bevel gear 23 and the clutch sliding piece 13 is realized to control the telescopic assembly to stop working, at the moment, the bevel gear 23 only idle around the wheel shaft 12 is realized to stop at the original set eccentric position of the wheel shaft 12 in the hub pipe.
As shown in fig. 12, when the knob switch on the handle loosens the cable 41, the pressure of the right spring 15 is greater than that of the left spring 15, the right clutch slider 13 and the right bevel gear 23 move closer under the pressure of the right spring 15, the jaws 34 of the two are engaged with the slots 33, the right bevel gear 23 is locked, the locked bevel gear 23 does not rotate, the right bevel gear 23 is engaged with the bevel gear 20 to rotate the bevel gear shaft 21 (in reverse rotation with the above-mentioned eccentricity), the bevel gear shaft 21 retracts into the bevel gear shaft 21 under the action of the threaded hole 36 when rotating around the telescopic screw 22, the telescopic screw 22 retracts and simultaneously pulls the hub tube 1 to approach the axle 12, when the hub 1 and the axle 12 return to the original concentric position, the bump 5 outside the hub cover 19 starts to push against the bolt 2 and the fork 10, because the fork 10 is processed with the bevel 24, the inclined plane 24 of the shifting fork 10 is forced to abut against the clutch sliding part 13 to overcome the elastic force of the spring 15 to prop the clutch sliding part 13 and the bevel gear 23 to be separated, at the moment, the bevel gear 23 and the bevel gear 20 stop meshing and rotating, the bevel gear shaft 21 and the bevel gear 23 of the bevel gear 20 only idle around the wheel shaft 12, so that the bevel gear 23 is automatically separated from the clutch sliding part 13 to control the telescopic assembly to stop working, at the moment, the bevel gear 23 only idle around the wheel shaft 12, so that the clutch sliding part 13 is automatically separated from the bevel gear 23 to control the telescopic assembly to stop working, the wheel shaft 12 and the hub 1 are stopped at a concentric position (the heave and bump driving is cancelled), and the bicycle is in.
The projection 5 may be integrally formed with the hub cover 19, or a screw or the like may be used instead of the projection 5.
Therefore, the bevel gear shafts can rotate forwards and backwards by transmitting the two bevel gears on the same group of shafts in a meshing manner, and the wheel shafts can be in an eccentric and concentric state of the wheel hubs by rotating forwards or backwards.
Claims (10)
1. A hub clutch structure of an adjustable eccentric bicycle comprises a hub (1), wherein the hub (1) is provided with a hub cover (19), the hub cover (19) is provided with a square chute (6), a gear box (4) is arranged in the hub (1), a wheel shaft (12) penetrates through the square chute (6), and the hub (1) is fixedly connected with a telescopic screw rod (22);
the telescopic screw rod (22) is assembled in a threaded hole (36) of the bevel gear shaft (21), the bevel gear shaft (21) is provided with a bevel gear (20), and the bevel gear (20) is in meshing transmission with a bevel gear (23) sleeved on the wheel shaft (12);
the method is characterized in that: the end parts of two bevel gears (23) sleeved on the wheel shaft (12) are respectively connected with a non-rotating clutch sliding piece (13) in a clamping way, a spring (15) abuts against the clutch sliding piece (13), when the clutch sliding piece (13) moves to one bevel gear (23), the clutch sliding piece (13) is locked with the bevel gear (23) in a clamping way, at the moment, the bevel gear (23) is meshed with a bevel gear (20) to drive a bevel gear shaft (21) to rotate around a telescopic screw rod (22), the telescopic screw rod (22) extends out of or retracts into the bevel gear shaft (21) under the action of threads, simultaneously, the telescopic screw rod (22) also pulls away or reduces the central distance between the hub pipe (1) and the wheel shaft (12), when the telescopic screw rod (22) extends out of or retracts into a set position in the bevel gear shaft (21), the hub (1) can abut against a thimble (39), and the thimble (39) abuts against a ring (32) to abut against the clutch sliding piece (13) and the bevel gear (23) to the coupling sliding piece (18) And (5) separating.
2. The adjustable eccentric bicycle hub clutch structure according to claim 1, wherein: the end part of the clutch sliding part (13) is provided with a jaw (34), the jaw (34) is connected with a clamping groove (33) of the bevel gear (23) in a clamping mode, the inner diameter of the clutch sliding part (13) is provided with an orientation key (16), and the orientation key (16) can slide on an orientation groove (31) on the wheel shaft (12).
3. The adjustable eccentric bicycle hub clutch structure according to claim 1, wherein: the wheel shaft (12) is provided with a hole (29) communicated with the guide groove (30), and a push pin (3) and a buffer spring (38) are arranged in the hole (29) and are pushed to a bolt (25) to be connected with the inclined plane ring (32).
4. A hub clutch structure of an adjustable eccentric bicycle comprises a hub (1), wherein the hub (1) is provided with a hub cover (19), the hub cover (19) is provided with a chute (6), a gear box (4) is arranged in the hub (1), a wheel shaft (12) penetrates through the chute (6), and the hub (1) is fixedly connected with a telescopic screw rod (22);
the telescopic screw rod (22) is assembled in a threaded hole (36) of the bevel gear shaft (21), the bevel gear shaft (21) is provided with a bevel gear (20), and the bevel gear (20) is in meshing transmission with a bevel gear (23) sleeved on the wheel shaft (12);
the method is characterized in that: the ends of two bevel gears (23) sleeved on the wheel shaft (12) are respectively connected with a non-rotating clutch sliding part (13) in a clamping way, a spring (15) is propped against the clutch sliding part (13), when the clutch sliding part (13) moves to one bevel gear (23), the clutch sliding part (13) is locked with the bevel gear (23) in a clamping way, at the moment, the bevel gear (23) is meshed with a bevel gear (20) to drive a bevel gear shaft (21) to rotate around a telescopic screw rod (22), the telescopic screw rod (22) extends out of or retracts into the bevel gear shaft (21) under the action of threads, simultaneously, the telescopic screw rod (22) also pulls open or reduces the central distance between the wheel hub (1) and the wheel shaft (12), when the telescopic screw rod (22) extends out of or retracts into a set position in the bevel gear shaft (21), a lug (5) arranged on a wheel hub cover (19) can prop against a shifting fork (10), the shifting fork (10) directly jacks the clutch sliding part (13) and the bevel gear (23) to be separated.
5. The adjustable eccentric bicycle hub clutch structure according to claim 4, wherein: the end part of the clutch sliding part (13) is provided with a jaw (34), the jaw (34) is connected with a clamping groove (33) of the bevel gear (23) in a clamping mode, the inner diameter of the clutch sliding part (13) is provided with an orientation key (16), and the orientation key (16) can slide in an orientation groove (31) on the wheel shaft (12).
6. A hub clutch structure of an adjustable eccentric bicycle comprises a hub (1), wherein the hub (1) is provided with a hub cover (19), the hub cover (19) is provided with a square chute (6), a gear box (4) is arranged in the hub (1), a wheel shaft (12) penetrates through the square chute (6), and the hub (1) is fixedly connected with a telescopic screw rod (22);
the telescopic screw rod (22) is assembled in a threaded hole (36) of the bevel gear shaft (21), the bevel gear shaft (21) is provided with a bevel gear (20), and the bevel gear (20) is in meshing transmission with a bevel gear (23) sleeved on the wheel shaft (12);
the method is characterized in that: the wheel shaft (12) is provided with a plurality of guide grooves (30), a bolt (25) penetrates through a bolt hole (35) and the guide grooves (30) on the side wall of the clutch sliding piece (13), the end parts of two bevel gears (23) are respectively connected with the clutch sliding piece (13) in a clamping way, a spring (15) props against the clutch sliding piece (13), when the clutch sliding piece (13) moves to one bevel gear (23), the clutch sliding piece (13) is locked with the bevel gear (23) in a clamping way, at the moment, the bevel gear (23) is meshed with a bevel gear (20) to drive the bevel gear shaft (21) to rotate around the telescopic screw rod (22), the telescopic screw rod (22) extends out of or retracts into the bevel gear shaft (21) under the action of threads, simultaneously, the telescopic screw rod (22) also pulls or reduces the central distance between the wheel hub (1) and the wheel shaft (12), and when the telescopic screw rod (22) extends out of or retracts into a set position in the bevel gear shaft (21), the wheel hub (1) can push, the ejector pin (39) pushes the inclined ring (32) to push the clutch sliding piece (13) and the bevel gear (23) to be separated through the linkage piece (18).
7. The adjustable eccentric bicycle hub clutch structure according to claim 6, wherein: the end part of the clutch sliding part (13) is provided with a claw (34), and the claw (34) is clamped and connected with a clamping groove (33) of the bevel gear (23).
8. The adjustable eccentric bicycle hub clutch structure according to claim 6, wherein: the hole (29) of the wheel shaft (12) is communicated with all the guide grooves (30), and a push pin (3) and a buffer spring (38) are arranged in the hole (29) and are pushed to a bolt (25) to be connected with the linkage piece (18).
9. A hub clutch structure of an adjustable eccentric bicycle comprises a hub (1), wherein the hub (1) is provided with a hub cover (19), the hub cover (19) is provided with a square chute (6), a gear box (4) is arranged in the hub (1), a wheel shaft (12) penetrates through the square chute (6), and the hub (1) is fixedly connected with a telescopic screw rod (22);
the telescopic screw rod (22) is assembled in a threaded hole (36) of the bevel gear shaft (21), the bevel gear shaft (21) is provided with a bevel gear (20), and the bevel gear (20) is in meshing transmission with a bevel gear (23) sleeved on the wheel shaft (12);
the method is characterized in that: the wheel shaft (12) is provided with a plurality of guide grooves (30), a bolt (25) penetrates through a bolt hole (35) and the guide grooves (30) in the side wall of the clutch sliding part (13), the end parts of two bevel gears (23) are respectively connected with the clutch sliding part (13) in a clamping way, a spring (15) props against the clutch sliding part (13), when the clutch sliding part (13) moves to one bevel gear (23), the clutch sliding part (13) is locked with the bevel gear (23) in a clamping way, at the moment, the bevel gear (23) is meshed with a bevel gear (20) to drive the bevel gear shaft (21) to rotate around the telescopic screw rod (22), the telescopic screw rod (22) extends out of or retracts into the bevel gear shaft (21) under the action of threads, meanwhile, the telescopic screw rod (22) also pulls open or reduces the central distance between the wheel hub (1) and the wheel shaft (12), and when the telescopic screw rod (22) extends out of or retracts into a set position in the bevel gear shaft (21), a lug (5) arranged on the wheel hub cover ( The fork (10) directly pushes the clutch sliding piece (13) and the bevel gear (23) to be separated from each other by the fork (10).
10. The adjustable eccentric bicycle hub clutch structure according to claim 9, wherein: the hole (29) of the wheel shaft (12) is communicated with all the guide grooves (30), and a push pin (3) and a buffer spring (38) are arranged in the hole (29) and are pushed to a bolt (25) to be connected with the linkage piece (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055649.6A CN111422000A (en) | 2019-01-10 | 2019-01-10 | Adjustable eccentric bicycle hub clutch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910055649.6A CN111422000A (en) | 2019-01-10 | 2019-01-10 | Adjustable eccentric bicycle hub clutch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111422000A true CN111422000A (en) | 2020-07-17 |
Family
ID=71546720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910055649.6A Pending CN111422000A (en) | 2019-01-10 | 2019-01-10 | Adjustable eccentric bicycle hub clutch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111422000A (en) |
-
2019
- 2019-01-10 CN CN201910055649.6A patent/CN111422000A/en active Pending
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Application publication date: 20200717 |