CN101204986A - Bicycle speed changer - Google Patents
Bicycle speed changer Download PDFInfo
- Publication number
- CN101204986A CN101204986A CNA2006101462361A CN200610146236A CN101204986A CN 101204986 A CN101204986 A CN 101204986A CN A2006101462361 A CNA2006101462361 A CN A2006101462361A CN 200610146236 A CN200610146236 A CN 200610146236A CN 101204986 A CN101204986 A CN 101204986A
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- gear
- clutch
- bicycle
- support ring
- main shaft
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Abstract
The invention provides a speed changer for the bicycles, which belongs to a technological field of bicycle fittings. The structure of the invention includes a spindle fixed on the bicycle through bicycle frames on the left side and the right side and the spindle is provided with an external stent ring, a power gear, a driving gear, an internal stent ring, a cross binding device and a hub in turn from the left to the right; a small shaft parallel to the spindle is arranged between the external stent ring and the internal stent ring and the small shaft is provided with a speed changing gear and a guiding gear in turn from the left to the right; the speed change gear and the power gear are meshed and driven and the guiding gear and the driving gear are meshed and driven; the driving gear is arranged together with the cross binding device which is arranged together with an overrunning clutch fixed on the left end of the hub; an overrunning clutch used for setting sprockets is arranged on the right end of the hub. The spindle is a power input shaft and the hub is a power output mechanism. The speed changer for the bicycles in the invention can be used on the front, medium and rear shafts of the bicycles as well as in other industries and fields; the invention can realize the switch of changing speed and not changing speed for solo riding as well as for double-persons riding and no mutual interference exists when two persons ride the bicycle.
Description
(1) technical field
The present invention relates to a kind of bicycle accessories, specifically a kind of change-speed box that is applied on the bicycle.
(2) background technology
The bicycle structure of prior art is various informative, but has the defective of function singleness during specific to the bicycle of certain version.As variable speed bicycle popular on the market, though have speed changing function, can only a people ride, can't realize the purpose that two people ride simultaneously; Can satisfy the bicycle that two people ride does not simultaneously but have speed changing function, and two-person ridden bicycle needs two chains, the two-person ridden bicycle that makes be that car body is long, turn radius is big, very flexible.At present, also do not have a kind of speed changing function that both had on the market, the relatively short again two-person ridden bicycle of its car body comes out simultaneously.
(3) summary of the invention
Technical assignment of the present invention is at the deficiencies in the prior art, and a kind of bicycle gear device is provided.This change-speed box can be installed in the front-wheel of bicycle, also can be installed in the trailing wheel of bicycle, can realize that two people ride simultaneously when being installed in the front-wheel of bicycle; When being installed in the trailing wheel of bicycle, also can realize satisfying the purpose that two people ride simultaneously under the less relatively situation of car body lengthening; Current, when trailing wheel is installed simultaneously, can realize the purpose that three people ride simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of bicycle gear device, comprise bottom bracket bearing of bicycle, main shaft is fixed on the bicycle by the vehicle frame of the left and right sides, it is characterized in that, from left to right be disposed with the outer support ring on the main shaft, power gear, transmission gear, the inner support ring, cross colligator and wheel hub, between outer support ring and inner support ring, be provided with one with the little axle of spindle parallel, from left to right be disposed with variable gear and guide gear on the little axle, and variable gear and power gear engaged transmission, guide gear and transmission gear engaged transmission, transmission gear is set together with the cross colligator again, the cross colligator then is set together with the overriding clutch that is fixed on the wheel hub left part, and the right part of wheel hub is provided with the sprocket wheel overriding clutch that is used to be provided with chain.
Above-mentioned bicycle gear device, the arranged outside of its outer support ring has speed change clutch, speed change clutch is connected with control setup, above-mentioned control setup is to be made of handle, backguy and ratchet, handle is fixed on bicycle handle bar on hand, and joins by backguy and the ratchet that is arranged on speed change clutch one side.
Above-mentioned bicycle gear device, its outer support ring also can be fixed together by unitor and vehicle frame.
Above-mentioned bicycle gear device also is provided with bracing frame between its unitor and the rotation speed change housing.
Above-mentioned bicycle gear device, also be provided with a rotation speed change housing on its wheel hub, rotation speed change housing is provided with the spoke ring with outer support ring, power gear, transmission gear, inner support ring, cross colligator, little axle, variable gear, guide gear and overriding clutch cover within it at least on the outside face of rotation speed change housing.
Above-mentioned bicycle gear device, it is provided with a containment shell between outer support ring and inner support ring, and containment shell is sealed power gear, transmission gear, little axle, variable gear and guide gear.
Above-mentioned bicycle gear device, it also is provided with the clutch ratchet on the main shaft of wheel hub right part, be provided with the clutch spring between clutch ratchet and the sprocket wheel overriding clutch, the positioning convex of clutch ratchet matches with clutch ratchet knock hole on the sprocket wheel overriding clutch, be connected by slide key between clutch ratchet and the main shaft, the periphery of clutch ratchet is provided with bearing, and bearing is provided with dials poor seat, dials the difference seat and dials difference and join.
Above-mentioned bicycle gear device also is provided with overriding clutch between its wheel hub and the main shaft.
Above-mentioned bicycle gear device also is provided with pedal on its main shaft, pedal joins by more than one connecting key and main shaft, also is provided with locating part in the outside of pedal.
Above-mentioned bicycle gear device also is provided with more than one fix screw between its outer support ring and the inner support ring, is with locating bush on the fix screw.
A kind of bicycle gear device of the present invention compared with prior art, the beneficial effect that is produced is:
1) can singlely ride, realize speed change and non-speed change conversion;
2) can doublely ride, realize speed change and non-speed change conversion;
3) during double riding, do not disturb mutually;
4) can be installed in front-wheel, also can be installed in trailing wheel, also can be installed in axis.
(4) description of drawings
Accompanying drawing 1 is looked cross-sectional view for the master of first embodiment of the present invention;
Accompanying drawing 2 is looked cross-sectional view for the master of second embodiment of the present invention;
Accompanying drawing 3 is looked cross-sectional view for the master of the 3rd embodiment of the present invention;
Accompanying drawing 4 is looked cross-sectional view for the master of the 4th embodiment of the present invention;
Accompanying drawing 5 is looked cross-sectional view for the master of the 5th embodiment of the present invention;
Accompanying drawing 6 is looked cross-sectional view for the master of the 6th embodiment of the present invention;
Accompanying drawing 7 is the structural representation of control setup of the present invention.
Among the figure, 1, main shaft, 2, vehicle frame, 3, the outer support ring, 4, power gear, 5, transmission gear, 6, the inner support ring, 7, the cross colligator, 8, wheel hub, 9, little axle, 10, variable gear, 11, guide gear, 12, overriding clutch, 13, rotation speed change housing, 14, the spoke ring, 15, fix screw, 16, locating bush, 17, the spoke ring, 18, the sprocket wheel overriding clutch, 19, overriding clutch, 20, the power-transfer clutch attachment pegs, 21, pedal, 22, connecting key, 23, locating part, 24, speed change clutch, 25, handle, 26, backguy, 27, ratchet, 28, seal ring, 29, containment shell, 30, the spoke ring, 31, unitor, 32, the clutch ratchet, 33, the clutch spring, 34, clutch ratchet knock hole, 35, slide key, 36, bearing, 37, dial the difference seat, 38, it is poor to dial, and 39, locating part, 40, overriding clutch, 41, sprocket wheel, 42, connector, 43, overriding clutch, 44, the connector permanent seat, 45, bracing frame, 46, steel ball.
(5) specific embodiment
Explain below below in conjunction with accompanying drawing 1-7 a kind of bicycle gear device of the present invention being done.
Embodiment 1:
As accompanying drawing 1, shown in 7, a kind of bicycle gear device of the present invention, its structure comprises bottom bracket bearing of bicycle 1, main shaft 1 is fixed on the trailing wheel of bicycle by the vehicle frame 2 of the left and right sides, from left to right be disposed with outer support ring 3 on the main shaft 1, power gear 4, transmission gear 5, inner support ring 6, cross colligator 7 and wheel hub 8, between outer support ring 3 and inner support ring 6, be provided with a little axle 9 parallel with main shaft 1, from left to right be disposed with variable gear 10 and guide gear 11 on the little axle 9, and variable gear 10 and power gear 4 engaged transmission, guide gear 11 and transmission gear 5 engaged transmission, transmission gear 5 is set together with cross colligator 7 again, and 7 of cross colligators are set together with the overriding clutch 12 that is fixed on wheel hub 8 left parts.
Above-mentioned variable gear 10, guide gear 11 can be organized setting with the speed change direction reverser that little axle forms more, to improve powerdriven intensity, prevent that the speed change direction reverser is because of the excessive damage of loading.
Also be provided with a rotation speed change housing 13 on the above-mentioned wheel hub 8, rotation speed change housing 13 covers outer support ring 3, power gear 4, transmission gear 5, inner support ring 6, cross colligator 7, little axle 9, variable gear 10, guide gear 11 and overriding clutch 12 within it, and the outside face of rotation speed change housing 13 is provided with spoke ring 14.Also be provided with seal ring 28, one between the inside face of rotation speed change housing 13 and the outer support ring 3, prevent that lubricating oil from outwards revealing, the 2nd, preventing that dust from entering rotates in the speed change housing 13.
Also be provided with more than one fix screw 15 between above-mentioned outer support ring 3 and the inner support ring 6, be with locating bush 16 on the fix screw 15.
Also be provided with spoke ring 17 on the right side of wheel hub 8, spoke ring 17 is used for fixing spoke.
Also be provided with overriding clutch 19 on the main shaft 1 of wheel hub 8 right parts, overriding clutch 19 is fixed together by power-transfer clutch attachment pegs 20.
Also be provided with detouchable pedal 21 on main shaft 1, pedal 21 joins by more than one connecting key 22 and main shaft 1, also is provided with locating part 23 in the outside of pedal 21, when two people ride and need the people of back to apply power, pedal 21 installed gets final product; When a people rides or do not need the people of back to apply power, pedal 21 can be pulled down.
The arranged outside of above-mentioned outer support ring 3 has speed change clutch 24, and speed change clutch 24 is connected with control setup and realizes under the effect of controlling of control setup and the combining and disengaged condition of outer support ring 3, to connect or cut-out power.Above-mentioned control setup is to be made of handle 25, backguy 26 and ratchet 27, and handle 25 is fixed on bicycle handle bar on hand, and joins by backguy 26 and the ratchet 27 that is arranged on speed change clutch 24 1 sides.
Its principle of work is as follows:
1) when single riding, close or throw off speed change clutch 24, this change-speed box does not all have speed changing function;
2) when double riding, the people of back is pedaled pedal and is driven main shaft 1 rotation, throws off speed change clutch 24, and the speed-changing mechanisms in the whole rotation speed change housing 13 only slide to rotate and do not do work, main shaft 1 drives wheel hubs 8 rotations by overriding clutch 19, makes the bicycle walking that moves ahead; The speed change clutch 24 that closes, the speed-changing mechanisms rotation acting in the rotation speed change housing 13 provides power to bicycle rear, and speed change is walked forward.
Embodiment 2:
As shown in Figure 2, a kind of bicycle gear device of the present invention, its structure comprises bottom bracket bearing of bicycle 1, main shaft 1 is fixed on the trailing wheel of bicycle by the vehicle frame 2 of the left and right sides, from left to right be disposed with outer support ring 3 on the main shaft 1, power gear 4, transmission gear 5, inner support ring 6, cross colligator 7 and wheel hub 8, between outer support ring 3 and inner support ring 6, be provided with a little axle 9 parallel with main shaft 1, from left to right be disposed with variable gear 10 and guide gear 11 on the little axle 9, and variable gear 10 and power gear 4 engaged transmission, guide gear 11 and transmission gear 5 engaged transmission, transmission gear 5 is set together with cross colligator 7 again, and 7 of cross colligators are set together with the overriding clutch 12 that is fixed on wheel hub 8 left parts.
Above-mentioned variable gear 10, guide gear 11 can be organized setting with the speed change direction reverser that little axle forms more, to improve powerdriven intensity, prevent that the speed change direction reverser is because of the excessive damage of loading.
One containment shell 29 is set between outer support ring 3 and inner support ring 6, containment shell 29 is sealed power gear 4, transmission gear 5, little axle 9, variable gear 10 and guide gear 11, the one, prevent that lubricating oil from outwards revealing, the 2nd, prevent that dust from entering in the annular seal space that containment shell 29 and outer support ring 3, inner support ring 6 surround, the 3rd, play positioning action.
Also be provided with more than one fix screw 15 between above-mentioned outer support ring 3 and the inner support ring 6.
Also be provided with spoke ring 17 and 30 on the right side of wheel hub 8, spoke ring 17 and 30 is used for fixing spoke.
Also be provided with detouchable pedal 21 on main shaft 1, pedal 21 joins by more than one connecting key 22 and main shaft 1, also is provided with locating part 23 in the outside of pedal 21, when two people ride and need the people of back to apply power, pedal 21 installed gets final product; When a people rides or do not need the people of back to apply power, pedal 21 can be pulled down.
Above-mentioned outer support ring 3 is fixed together by unitor 31 and vehicle frame 2.
Embodiment 3:
As accompanying drawing 3, shown in 7, a kind of bicycle gear device of the present invention, its structure comprises bottom bracket bearing of bicycle 1, main shaft 1 is fixed on the trailing wheel of bicycle by the vehicle frame 2 of the left and right sides, from left to right be disposed with outer support ring 3 on the main shaft 1, power gear 4, transmission gear 5, inner support ring 6, cross colligator 7 and wheel hub 8, between outer support ring 3 and inner support ring 6, be provided with a little axle 9 parallel with main shaft 1, from left to right be disposed with variable gear 10 and guide gear 11 on the little axle 9, and variable gear 10 and power gear 4 engaged transmission, guide gear 11 and transmission gear 5 engaged transmission, transmission gear 5 is set together with cross colligator 7 again, and 7 of cross colligators are set together with the overriding clutch 12 that is fixed on wheel hub 8 left parts.
Above-mentioned variable gear 10, guide gear 11 can be organized setting with the speed change direction reverser that little axle forms more, to improve powerdriven intensity, prevent that the speed change direction reverser is because of the excessive damage of loading.
One containment shell 29 is set between outer support ring 3 and inner support ring 6, containment shell 29 is sealed power gear 4, transmission gear 5, little axle 9, variable gear 10 and guide gear 11, the one, prevent that lubricating oil from outwards revealing, the 2nd, prevent that dust from entering in the annular seal space that containment shell 29 and outer support ring 3, inner support ring 6 surround, the 3rd, play positioning action.
Also be provided with more than one fix screw 15 between above-mentioned outer support ring 3 and the inner support ring 6.
Also be provided with spoke ring 17,30 on the right side of wheel hub 8, spoke ring 17,30 is used for fixing spoke.
Also be provided with clutch ratchet 32 on the main shaft 1 of wheel hub 8 right parts, be provided with clutch spring 33 between clutch ratchet 32 and the sprocket wheel overriding clutch 18, the positioning convex of clutch ratchet 32 matches with clutch ratchet knock hole 34 on the sprocket wheel overriding clutch 18.Be connected by slide key 35 between clutch ratchet 32 and the main shaft 1, the periphery of clutch ratchet 32 is provided with bearing 36, and bearing 36 is provided with dials difference seat 37, dials difference seat 37 and differs from 38 and join with dialling.Between clutch ratchet 32 and vehicle frame 2, also be provided with locating part 39.
Also be provided with detouchable pedal 21 on main shaft 1, pedal 21 joins by more than one connecting key 22 and main shaft 1, also is provided with locating part 23 in the outside of pedal 21, when two people ride and need the people of back to apply power, pedal 21 installed gets final product; When a people rides or do not need the people of back to apply power, pedal 21 can be pulled down.
The arranged outside of above-mentioned outer support ring 3 has speed change clutch 24, and speed change clutch 24 is connected with control setup and realizes under the effect of controlling of control setup and the combining and disengaged condition of outer support ring 3, to connect or cut-out power.Above-mentioned control setup is to be made of handle 25, backguy 26 and ratchet 27, and handle 25 is fixed on bicycle handle bar on hand, and joins by backguy 26 and the ratchet 27 that is arranged on speed change clutch 24 1 sides.
Between wheel hub 8 and main shaft 1, also be provided with overriding clutch 40.
Its principle of work is as follows:
1) when single riding, throw off speed change clutch 24 and clutch ratchet 32 simultaneously, this change-speed box does not have speed changing function;
2) when single riding, throw off any one in speed change clutch 24 or the clutch ratchet 32, this change-speed box does not all have speed changing function;
3) when single riding, close simultaneously speed change clutch 24 and clutch ratchet 32, at this moment, and clutch ratchet 32 and main shaft 1 interlock, main shaft 1 drives speed-changing mechanism work and realizes speed changing function.
4) when double riding, throw off clutch ratchet 32 and speed change clutch 24, the people of back is pedaled pedal 21 and is driven main shaft 1 rotation, and main shaft 1 drives overriding clutch 40 work, and overriding clutch 40 drives wheel hub 8 rotations again, and bicycle is walked forward; The speed change clutch 24 that closes is thrown off clutch ratchet 32, and the people of back is pedaled pedal 21 and driven main shafts 1 and rotate, and main shaft 1 drives the speed-changing mechanism rotation and does work, and provides power to bicycle rear, and speed change is walked forward.
Embodiment 4:
As accompanying drawing 4, shown in 7, a kind of bicycle gear device of the present invention, its structure comprises bottom bracket bearing of bicycle 1, main shaft 1 is fixed on the trailing wheel of bicycle by the vehicle frame 2 of the left and right sides, from left to right be disposed with outer support ring 3 on the main shaft 1, power gear 4, transmission gear 5, inner support ring 6, cross colligator 7 and wheel hub 8, between outer support ring 3 and inner support ring 6, be provided with a little axle 9 parallel with main shaft 1, from left to right be disposed with variable gear 10 and guide gear 11 on the little axle 9, and variable gear 10 and power gear 4 engaged transmission, guide gear 11 and transmission gear 5 engaged transmission, transmission gear 5 is set together with cross colligator 7 again, and 7 of cross colligators are set together with the overriding clutch 12 that is fixed on wheel hub 8 left parts.
Above-mentioned variable gear 10, guide gear 11 can be organized setting with the speed change direction reverser that little axle forms more, to improve powerdriven intensity, prevent that the speed change direction reverser is because of the excessive damage of loading.
Also be provided with a rotation speed change housing 13 on the above-mentioned wheel hub 8, rotation speed change housing 13 covers outer support ring 3, power gear 4, transmission gear 5, inner support ring 6, cross colligator 7, little axle 9, variable gear 10, guide gear 11 and overriding clutch 12 within it, and the outside face of rotation speed change housing 13 is provided with spoke ring 14.Also be provided with seal ring 28, one between the inside face of rotation speed change housing 13 and the outer support ring 3, prevent that lubricating oil from outwards revealing, the 2nd, preventing that dust from entering rotates in the speed change housing 13.
Also be provided with more than one fix screw 15 between above-mentioned outer support ring 3 and the inner support ring 6, be with locating bush 16 on the fix screw 15.
Also be provided with spoke ring 17,30 on the right side of wheel hub 8, spoke ring 17,30 is used for fixing spoke.
Also be provided with clutch ratchet 32 on the main shaft 1 of wheel hub 8 right parts, be provided with clutch spring 33 between clutch ratchet 32 and the sprocket wheel overriding clutch 18, the positioning convex of clutch ratchet 32 matches with clutch ratchet knock hole 34 on the sprocket wheel overriding clutch 18.Be connected by slide key 35 between clutch ratchet 32 and the main shaft 1, the periphery of clutch ratchet 32 is provided with bearing 36, and bearing 36 is provided with dials difference seat 37, dials difference seat 37 and differs from 38 and join with dialling.Between clutch ratchet 32 and vehicle frame 2, also be provided with locating part 39.
Also be provided with detouchable pedal 21 on main shaft 1, pedal 21 joins by more than one connecting key 22 and main shaft 1, also is provided with locating part 23 in the outside of pedal 21, when two people ride and need the people of back to apply power, pedal 21 installed gets final product; When a people rides or do not need the people of back to apply power, pedal 21 can be pulled down.
The arranged outside of above-mentioned outer support ring 3 has speed change clutch 24, and speed change clutch 24 is connected with control setup and realizes under the effect of controlling of control setup and the combining and disengaged condition of outer support ring 3, to connect or cut-out power.Above-mentioned control setup is to be made of handle 25, backguy 26 and ratchet 27, and handle 25 is fixed on bicycle handle bar on hand, and joins by backguy 26 and the ratchet 27 that is arranged on speed change clutch 24 1 sides.
Between wheel hub 8 and main shaft 1, also be provided with overriding clutch 40.
Its principle of work is as follows:
1) when single riding, throw off speed change clutch 24 and clutch ratchet 32 simultaneously, this change-speed box does not have speed changing function;
2) when single riding, throw off any one in speed change clutch 24 or the clutch ratchet 32, this change-speed box does not all have speed changing function;
3) when single riding, close simultaneously speed change clutch 24 and clutch ratchet 32, at this moment, and clutch ratchet 32 and main shaft 1 interlock, main shaft 1 drives speed-changing mechanism work and realizes speed changing function.
4) when double riding, throw off clutch ratchet 32 and speed change clutch 24, the people of back is pedaled pedal 21 and is driven main shaft 1 rotation, and main shaft 1 drives overriding clutch 40 work, and overriding clutch 40 drives wheel hub 8 rotations again, and bicycle is walked forward; The speed change clutch 24 that closes is thrown off clutch ratchet 32, and the people of back is pedaled pedal 21 and driven main shafts 1 and rotate, and main shaft 1 drives the speed-changing mechanism rotation and does work, and provides power to bicycle rear, and speed change is walked forward.
Embodiment 5:
As shown in Figure 5, a kind of bicycle gear device of the present invention, its structure comprises bottom bracket bearing of bicycle 1, main shaft 1 is fixed on the trailing wheel of bicycle by the vehicle frame 2 of the left and right sides, from left to right be disposed with outer support ring 3 on the main shaft 1, power gear 4, transmission gear 5, inner support ring 6, cross colligator 7 and wheel hub 8, between outer support ring 3 and inner support ring 6, be provided with a little axle 9 parallel with main shaft 1, from left to right be disposed with variable gear 10 and guide gear 11 on the little axle 9, and variable gear 10 and power gear 4 engaged transmission, guide gear 11 and transmission gear 5 engaged transmission, transmission gear 5 is set together with cross colligator 7 again, and 7 of cross colligators are set together with the overriding clutch 12 that is fixed on wheel hub 8 left parts.
Above-mentioned variable gear 10, guide gear 11 can be organized setting with the speed change direction reverser that little axle forms more, to improve powerdriven intensity, prevent that the speed change direction reverser is because of the excessive damage of loading.
Also be provided with a rotation speed change housing 13 on the above-mentioned wheel hub 8, rotation speed change housing 13 covers outer support ring 3, power gear 4, transmission gear 5, inner support ring 6, cross colligator 7, little axle 9, variable gear 10, guide gear 11 and overriding clutch 12 within it, and the outside face of rotation speed change housing 13 is provided with spoke ring 14.Also be provided with seal ring 28, one between the inside face of rotation speed change housing 13 and the outer support ring 3, prevent that lubricating oil from outwards revealing, the 2nd, preventing that dust from entering rotates in the speed change housing 13.Also be provided with steel loop 46 between the inside face of rotation speed change housing 13 and the outer support ring 3, be used for supporting rotation speed change housing 13.
Also be provided with more than one fix screw 15 between above-mentioned outer support ring 3 and the inner support ring 6, be with locating bush 16 on the fix screw 15.
Also be provided with spoke ring 17 on the right side of wheel hub 8, spoke ring 17 is used for fixing spoke.
Also be provided with clutch ratchet 32 on the main shaft 1 of wheel hub 8 right parts, be provided with clutch spring 33 between clutch ratchet 32 and the sprocket wheel overriding clutch 18, the positioning convex of clutch ratchet 32 matches with clutch ratchet knock hole 34 on the sprocket wheel overriding clutch 18.Be connected by slide key 35 between clutch ratchet 32 and the main shaft 1, the periphery of clutch ratchet 32 is provided with bearing 36, and bearing 36 is provided with dials difference seat 37, dials difference seat 37 and differs from 38 and join with dialling.Between clutch ratchet 32 and vehicle frame 2, also be provided with locating part 39.
Also be provided with detouchable pedal 21 on main shaft 1, pedal 21 joins by more than one connecting key 22 and main shaft 1, also is provided with locating part 23 in the outside of pedal 21, when two people ride and need the people of back to apply power, pedal 21 installed gets final product; When a people rides or do not need the people of back to apply power, pedal 21 can be pulled down.
Above-mentioned outer support ring 3 is fixed together by unitor 31 and vehicle frame 2.
Its principle of work is as follows:
1) when single riding, throw off clutch ratchet 32, this change-speed box does not have speed changing function;
2) when single riding, the clutch ratchet 32 that closes, at this moment, and clutch ratchet 32 and main shaft 1 interlock, main shaft 1 drives speed-changing mechanism work and realizes speed changing function.
3) when double riding, throw off clutch ratchet 32, the people of back is pedaled pedal 21 and is driven main shaft 1 rotation, and the people of back is pedaled pedal 21 and is driven main shafts 1 rotation, and main shaft 1 drives the speed-changing mechanism rotation and does work, and provides power to bicycle rear, and speed change is walked forward.
Embodiment 6:
As shown in Figure 6, a kind of bicycle gear device of the present invention, its structure comprises bottom bracket bearing of bicycle 1, main shaft 1 is fixed on the trailing wheel of bicycle by the vehicle frame 2 of the left and right sides, from left to right be disposed with outer support ring 3 on the main shaft 1, power gear 4, transmission gear 5, inner support ring 6, cross colligator 7 and wheel hub 8, between outer support ring 3 and inner support ring 6, be provided with a little axle 9 parallel with main shaft 1, from left to right be disposed with variable gear 10 and guide gear 11 on the little axle 9, and variable gear 10 and power gear 4 engaged transmission, guide gear 11 and transmission gear 5 engaged transmission, transmission gear 5 is set together with cross colligator 7 again, and 7 of cross colligators are set together with the overriding clutch 12 that is fixed on wheel hub 8 left parts.
Above-mentioned variable gear 10, guide gear 11 can be organized setting with the speed change direction reverser that little axle forms more, to improve powerdriven intensity, prevent that the speed change direction reverser is because of the excessive damage of loading.
Also be provided with a rotation speed change housing 13 on the above-mentioned wheel hub 8, rotation speed change housing 13 covers outer support ring 3, power gear 4, transmission gear 5, inner support ring 6, cross colligator 7, little axle 9, variable gear 10, guide gear 11 and overriding clutch 12 within it, and the outside face of rotation speed change housing 13 is provided with spoke ring 14,17.
Also be provided with more than one fix screw 15 between above-mentioned outer support ring 3 and the inner support ring 6, be with locating bush 16 on the fix screw 15.
Also be provided with sprocket wheel overriding clutch 18 on the right side of wheel hub 8, sprocket wheel overriding clutch 18 is used to be provided with chain.
Also be provided with clutch ratchet 32 on the main shaft 1 of wheel hub 8 right parts, be provided with clutch spring 33 between clutch ratchet 32 and the sprocket wheel overriding clutch 18, the positioning convex of clutch ratchet 32 matches with clutch ratchet knock hole 34 on the sprocket wheel overriding clutch 18.Be connected by slide key 35 between clutch ratchet 32 and the main shaft 1, the periphery of clutch ratchet 32 is provided with bearing 36, and bearing 36 is provided with dials difference seat 37, dials difference seat 37 and differs from 38 and join with dialling.Between clutch ratchet 32 and vehicle frame 2, also be provided with locating part 39.
Also be provided with detouchable pedal 21 on main shaft 1, pedal 21 joins by more than one connecting key 22 and main shaft 1, also is provided with locating part 23 in the outside of pedal 21, when two people ride and need the people of back to apply power, pedal 21 installed gets final product; When a people rides or do not need the people of back to apply power, pedal 21 can be pulled down.
Above-mentioned outer support ring 3 is fixed together by unitor 31 and vehicle frame 2.Also be provided with bracing frame 45 between unitor 31 and the rotation speed change housing 13.
Its principle of work is as follows:
1) when single riding, throw off clutch ratchet 32, this change-speed box does not have speed changing function;
2) when single riding, the clutch ratchet 32 that closes, at this moment, and clutch ratchet 32 and main shaft 1 interlock, main shaft 1 drives speed-changing mechanism work and realizes speed changing function.
3) when double riding, throw off clutch ratchet 32, the people of back is pedaled pedal 21 and is driven main shaft 1 rotation, and the people of back is pedaled pedal 21 and is driven main shafts 1 rotation, and main shaft 1 drives the speed-changing mechanism rotation and does work, and provides power to bicycle rear, and speed change is walked forward.
Claims (10)
1. bicycle gear device, comprise bottom bracket bearing of bicycle (1), main shaft (1) is fixed on the bicycle by the vehicle frame (2) of the left and right sides, it is characterized in that, from left to right be disposed with outer support ring (3) on the main shaft (1), power gear (4), transmission gear (5), inner support ring (6), cross colligator (7) and wheel hub (8), between outer support ring (3) and inner support ring (6), be provided with a little axle (9) parallel with main shaft (1), from left to right be disposed with variable gear (10) and guide gear (11) on the little axle (9), and variable gear (10) and power gear (4) engaged transmission, guide gear (11) and transmission gear (5) engaged transmission, transmission gear (5) is set together with cross colligator (7) again, cross colligator (7) then is set together with the overriding clutch (12) that is fixed on wheel hub (8) left part, and the right part of wheel hub (8) is provided with the sprocket wheel overriding clutch (18) that is used to be provided with chain.
2. a kind of bicycle gear device according to claim 1, it is characterized in that, the arranged outside of outer support ring (3) has speed change clutch (24), speed change clutch (24) is connected with control setup, above-mentioned control setup is to be made of handle (25), backguy (26) and ratchet (27), handle (25) is fixed on bicycle handle bar on hand, and joins by backguy (26) and the ratchet (27) that is arranged on speed change clutch (24) one sides.
3. a kind of bicycle gear device according to claim 1 is characterized in that, outer support ring (3) is fixed together by unitor (31) and vehicle frame (2).
4. a kind of bicycle gear device according to claim 3 is characterized in that, also is provided with bracing frame (45) between unitor (31) and the rotation speed change housing (13).
5. a kind of bicycle gear device according to claim 1, it is characterized in that, also be provided with a rotation speed change housing (13) on the wheel hub (8), rotation speed change housing (13) is provided with spoke ring (14) with outer support ring (3), power gear (4), transmission gear (5), inner support ring (6), cross colligator (7), little axle (9), variable gear (10), guide gear (11) and overriding clutch (12) cover within it at least on the outside face of rotation speed change housing (13).
6. a kind of bicycle gear device according to claim 1, it is characterized in that, between outer support ring (3) and inner support ring (6) containment shell (29) is set, containment shell (29) is sealed power gear (4), transmission gear (5), little axle (9), variable gear (10) and guide gear (1) 1.
7. a kind of bicycle gear device according to claim 1, it is characterized in that, on the main shaft (1) of wheel hub (8) right part, also be provided with clutch ratchet (32), be provided with clutch spring (33) between clutch ratchet (32) and the sprocket wheel overriding clutch (18), the positioning convex of clutch ratchet (32) matches with clutch ratchet knock hole (34) on the sprocket wheel overriding clutch (18), be connected by slide key (35) between clutch ratchet (32) and the main shaft (1), the periphery of clutch ratchet (32) is provided with bearing (36), bearing (36) is provided with dials difference (37), dials difference seat (37) and joins with group poor (38).
8. a kind of bicycle gear device according to claim 1 is characterized in that, also is provided with overriding clutch (19) between wheel hub (8) and the main shaft (1).
9. a kind of bicycle gear device according to claim 1, it is characterized in that, also be provided with pedal (21) on the main shaft 1, pedal (21) joins by more than one connecting key (22) and main shaft (1), also is provided with locating part (23) in the outside of pedal (21).
10. a kind of bicycle gear device according to claim 1 is characterized in that, also is provided with more than one fix screw (15) between outer support ring (3) and the inner support ring (6), is with locating bush (16) on the fix screw (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101462361A CN101204986A (en) | 2006-12-18 | 2006-12-18 | Bicycle speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101462361A CN101204986A (en) | 2006-12-18 | 2006-12-18 | Bicycle speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101204986A true CN101204986A (en) | 2008-06-25 |
Family
ID=39565514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101462361A Pending CN101204986A (en) | 2006-12-18 | 2006-12-18 | Bicycle speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101204986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298446A (en) * | 2019-08-01 | 2021-02-02 | 刘文桂 | Bicycle speed variator |
-
2006
- 2006-12-18 CN CNA2006101462361A patent/CN101204986A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112298446A (en) * | 2019-08-01 | 2021-02-02 | 刘文桂 | Bicycle speed variator |
| CN112298446B (en) * | 2019-08-01 | 2022-03-01 | 刘文桂 | Bicycle speed variator |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Open date: 20080625 |