CN104029781A

CN104029781A - Novel crank sprocket support

Info

Publication number: CN104029781A
Application number: CN201210388041.3A
Authority: CN
Inventors: 张胜祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-08
Filing date: 2013-03-08
Publication date: 2014-09-10

Abstract

The invention aims at solving the technical problems that bicycle exercising modes are single and whole body coordinating exercising cannot achieve and provides a structure which can adjust crank functions and adjust angles between cranks to enable a leisure bicycle exerciser to exercise all parts of the whole body coordinately and is obvious in an exercising effect. According to the technical scheme, a leisure fitness bicycle crank function adjusting structure is provided. The leisure fitness bicycle crank function adjusting structure comprises a support and cranks; a sprocket tooth plate or a multi-level tooth plate are fixed on a sprocket support in a spiral mode; the sprocket support is fixed on a middle shaft; the cranks are fixed at a center of the support in a rotatable mode; the cranks can be fixedly connected to a 0-degree position or a 180-degree position of a support arm through a middle quick detach part of the crank; switching of the quick detach parts guarantees angles between the left crank and the right crank to be 0 degree or 180 degrees.

Description

Novel crank chain wheel support

Technical field

Patent of the present invention relates to crank and chain-wheel support, the especially body-building vehicle of a kind of adjustable bicycle left and right two degree in crank angles, folding bicycle, the car etc. of plugging into.

Background technology

In by bike, between the crank of bicycle left and right, form 180 degree angles, tricycle person sits on saddle, and parallel this left and right crank of firmly trampling of both feet makes this left and right crank arm plane of revolution drive endless chain transmission for bicycle rotating drive cycle racing.

Employing aforesaid way is ridden, bicyclist's thigh and calf can effectively be taken exercise, but between this crank, fixed angle is other positions that the bicycle of 180 degree cannot be taken exercises, particularly belly shank part muscle etc., also cannot make bicyclist's coordination of body take exercise, exercising way is single dull, and for folded bicycle, step also takes up room simultaneously.

Summary of the invention

The object of patent of the present invention is that solution bicycle sport mode is single, cannot coordinate the technical matters of taking exercise by whole body, a kind of structure of capable of regulating crank function is provided, and the angle that can adjust between crank makes the each position of leisure bicycle person taking exercise whole body coordinate to take exercise, and train on is obvious.

For solving the problems of the technologies described above, the technical scheme that patent of the present invention adopts is: provide a kind of recreation and body-building bicycle to adjust the structure of crank function, comprise chain wheel support and crank, sprocket wheel chain wheel or multistage chain wheel spiral are fixed on chain wheel support, chain wheel support is fixed on axis, crank is the rotatable center that is fixed on support simultaneously, the Fast detachable unit of the centre of crank can by crank support arm 0 spend or two positions of 180 degree on be fixedly connected with, the angle that the switching of quick detach keeps left crank and right crank to form is 0 degree or 180 degree.

Patent of the present invention has advantages of

1. patent novel crank chain wheel support of the present invention has quick angle handoff functionality, left and right crank is realized between 0 degree and 180 degree and being switched fast, 180 bicyclists while spending can grow in a traditional way distance and ride, and 0 bicyclist while spending can fully take exercises or be folding.

2. this novel crank chain wheel support uses the simple switching of quick detach can facilitate folded bicycle to realize less folding owing to adopting, and reduces space hold, realizes the body-building function that current masses enrich more with recreation and body-building bicycle simultaneously.The equidirectional motion of two cranks can be similar to animal run jump time efficient movement effects, contribute to the lifting of the muscle such as belly and shank to take exercise, remove rapidly abdomen proud flesh, mould the more graceful bodily form and fat-reducing, reach best body-building effect, along with leading of bicycle leisure epoch, from then on this patent of invention changes likes healthy people's bicycle occupation mode and custom, has landmark meaning.

3. this novel crank chain wheel support is owing to adopting two stationary nodes, and more firm practicality, is suitable for traditional axis and installs, and improvement cost is low, also can freely be switched to the tradition mode of riding simultaneously.

Brief description of the drawings Fig. 1 is novel crank chain wheel support

Fig. 2 is Quick release

Fig. 3 is foot-operated band footwear

Fig. 4 is chain wheel support

Fig. 5 is tie head bundle

Fig. 6 is band

Fig. 7 is foot-operated

Fig. 8 is Novel toothed dish crank and chain-wheel support 2

Fig. 9 is crank chain wheel quick detach example 3D

Figure 10 is crank chain wheel quick detach example reference

Figure 11 is crank chain wheel quick detach 2 example 3D

Figure 12 is crank chain wheel quick detach 2 example reference

Figure 13 is foot-operated band example

In Fig. 1: 1, ride 2, crank 3, chain wheel, 4, chain wheel knock hole 5, crank axis end 6, axis spiral 7, quick detach groove 8, fast dismounting handle 9, quick detach pad 10, quick detach fastens 11, Quick release 12, ride 13, foot-operated band 14, footwear 15, Quick release cylinder 16, ruggedized construction 17, tapped bore 18, pressing groove 19, chain wheel central siphon 20, chain wheel support 21, tapped bore 22, ruggedized construction 23, pressing groove

In Fig. 2: 1, quick detach pad 2, Quick release 3, screw thread

In Fig. 3: 1, tie head lock 2, foot-operated encirclement 3, tie head 4, foot-operated

In Fig. 4: 1, chain wheel 2, ruggedized construction 3, pressing groove 4, tapped bore 5, chain wheel location sky 6, chain wheel support 7, central axis hole, 8, chain wheel central siphon 9, ruggedized construction 10, tapped bore 11, steps up groove

In Fig. 5: 1, band tooth 2, band pin 3, band pin chamber 4, strap slot 5, strap slot 6, band plectrum

In Fig. 6: 1, tie head 2, band body 3, band tooth

In Fig. 7: 1, tie head locked groove 2, tie head fastens 3, foot-operated encirclement 4, tie head fastens 5, tie head locked groove 6, pedal spindle

In Fig. 8: 1, ruggedized construction 2, pressing groove 3, crank positioning end 4, fast dismounting handle 5, Quick release 6, quick detach pad 7, crank 8, quick detach groove 9, foot-operated 10 footwear, 11, foot-operated band 12, crank positioning end 13, pressing groove 14, ruggedized construction 15, chain wheel knock hole 16, chain wheel support 17, crank axis end 18, chain wheel 19, chain wheel support central siphon 20, crank 21, foot-operated, 22, footwear

In Fig. 9: 1, fast dismounting handle 2, quick detach bolt 3, quick detach pad, 4, Quick release 5, crank 6, crank positioning end 7, spring 8, crank axis end 9, chain wheel knock hole 10, crank positioning end

In Figure 11: 1, crank positioning end 2, crank positioning end 3, big-and-middle chain wheel knock hole, 4, denticle dish knock hole 5, axis is installed square hole

In Figure 13: 1, tie head lock 2, foot-operated encirclement 3, tie head 4, rides 5, band

Detailed description of the invention

As shown in handle support as tortuous in Fig. 1 Novel toothed, mainly comprise that 1 foot-operated, 2 cranks, 3 chain wheels, 4 chain wheel knock holees, 5 crank axis ends, 6 axis spirals, 7 quick detach grooves, 8 fast dismounting handles, 9 quick detach pads, 10 quick detach are fastened, 11 Quick releases, 12 foot-operated, 13 foot-operated bands, 14 footwear, 15 Quick release cylinders, 16 ruggedized constructions, 17 tapped bore, 18 pressing groove, 19 chain wheel central siphons, 20 chain wheel supports, 21 tapped bore, 22 ruggedized constructions, 23 pressing groove.The 12 foot-operated 13 foot-operated bands that fixing sole and footwear 14 can be installed, be connected in traditional standard mode with 5 cranks, on 5 cranks with 15 fixing Quick release cylinders, and have 7 quick detach grooves, 15 Quick release cylinders insert 11 Quick releases, and is furnished with segment negative thread in 15 Quick release cylinder bottoms, with being threaded of 11 Quick releases, 11 Quick releases and 8 fast dismounting handles are rotatably connected, 8 fast dismounting handles screw after (cover has 9 quick detach pads bufferings degrees of tightness on 11 Quick releases) and can press down and be placed in 7 quick detach grooves, do not affect 14 footwear or pin and bottom of s trouser leg motion, 11 Quick releases (also can be considered to replace simple realization with a hex screw, do not need 8 fast dismounting handles and 7 quick detach grooves, it is convenient not that but dismounting angle is switched) stretch out 15 Quick release cylinders downwards and be connected with 17 tapped bore in 16 ruggedized constructions, 16 ruggedized constructions and 20 chain wheel support one, by 15 Quick release cylinders, 18 pressing groove that are pressed in tightly, (as shown in Figure 4,3 pressing groove are middle high, increase negative thread long, around height can be reinforced) in, can disconnect being connected of 11 Quick releases and 17 tapped bore by rotating 8 fast dismounting handles, 15 quick detach cylinders leave after 18 pressing groove, 5 cranks can be around 19 chain wheel central siphons (its structure reference example Fig. 9), 180 degree rotations, and be fixed in 22 ruggedized constructions by 11 Quick releases, 22 ruggedized constructions and 16 ruggedized constructions are in the symmetric position at straight line centered by 19 chain wheel central siphons, simultaneously by axis connect after and another 2 crank in the plane of same angle, 5 crank axis ends are socketed on 19 chain wheel central siphons as shown in Figure 1, and by 6 axis spiral compressions, but can rotate to realize 0 degree or 180 degree angles switch that (namely crank chain wheel support is adjusted after the angle between described 5 cranks and opposite side 2 cranks by rotation after unclamping 11 Quick releases along 19 chain wheel central siphons, the adjustable angle that described left 2 cranks and right 5 cranks form is 0 degree or 180 degree), each 3 chain wheels and 20 chain wheel supports are to be fixed on 20 chain wheel supports by four similar 4 chain wheel knock holees, 13 foot-operated bands are connected to the upper right corner from 12 foot-operated lower left corner annulars and (also can change other diagonal angle into, 13 foot-operated bands are connected to the lower right corner from 12 foot-operated upper left corner annulars), 14 footwear or people's pin can be along suitably freely come in and go out at a slant left to bottom right (if 13 foot-operated band movable heads can be suitably unclamped in space not) in 13 foot-operated bands and 12 pedal frames, 14 footwear or people's pin can firmly be controlled at any time band degree of tightness and then control the 12 foot-operated pin front and back up-and-down movements of following by adjusting left and right turn angle afterwards, also be described same operational effect above for 1 band foot-operated and above of opposite side.

As shown in handle support 2 as tortuous in Fig. 8 Novel toothed, mainly comprise 1 ruggedized construction, 2 pressing groove, 3 crank positioning ends, 4 fast dismounting handles, 5 Quick releases, 6 quick detach pads, 7 cranks, 8 quick detach grooves, 9 is foot-operated, 10 footwear, 11 foot-operated bands, 12 crank positioning ends, 13 pressing groove, 14 ruggedized constructions, 15 chain wheel knock holees, 16 chain wheel supports, 17 crank axis ends, 18 chain wheels, 19 chain wheel support central siphons, 20 cranks, 21 is foot-operated, 22 footwear, this 7 crank institute difference has 3 crank positioning ends and 12 crank positioning ends (tapped bore Quick release structure that need not Fig. 1 at this is connected) and 8 quick detach grooves, 16 chain wheel supports are with 1 and 14 ruggedized constructions and 2 and 13 pressing groove, 17 crank axis ends are used 4 fast dismounting handle 5 Quick release structure spirals instead and are fixed on bicycle middle shaft and lock, and in 3 crank positioning ends and 12 crank positioning ends 2 pressing groove and 13 pressing groove that are pressed in 16 chain wheel supports tightly, unclamp 5 Quick releases on axis, 7 cranks are loosening, 3 crank positioning ends and 12 crank positioning ends depart from from 2 pressing groove and 13 pressing groove, 7 cranks enclose 19 chain wheel support central siphons, and (19 chain wheel support central siphons are fixed on axis with traditional connection mode (reference example Fig. 9), can certainly be axis and the support connection mode of one) around Rotate 180 degree, again rotating 5 Quick releases is buckled in 7 crank compact locks on 16 chain wheel supports, 4 fast dismounting handles can be pressed in 8 quick detach grooves, 0 degree and 180 degree switchings so both can be realized, two symmetrical crank positioning ends of similar this 7 crank, can also be expanded into 4 or 6 or the symmetrical crank positioning end structure of distribution and the pressing groove structure design coupling fixed form of correspondence of 8 any even numbers (comprising the coupling of disk tooth), if instance graph 9 and 11 is four crank positioning ends and corresponding chain wheel knock hole (3 and 4 large, medium and small chain wheel knock hole), three chain wheel sheets can be installed simultaneously, there is the square hole axis installing/dismounting interface 5 of standard, stable and easy to operate, instance graph 9 medi-springs 7 are placed in the groove between crank 5 and chain wheel support crank axis end 8, while contributing to loosening fast dismounting handle, flicking light this crank 180 that rotates of crank 5 spends, another situation is exactly if Fig. 8 fast dismounting handle 4 and Quick release 5 quick-disassembly structures are not on axis, and position in crank positioning end 3, equally realizing crank 180 degree with the principle coupled modes of Fig. 1 rotates.

As shown in Fig. 5 tie head bundle, mainly comprise 1 band tooth, 2 band pins, 3 band pin chambeies, 4 strap slot, 5 strap slot, 6 band plectrums, as shown in Fig. 6 band, mainly comprise 1 tie head, 2 band bodies, 3 band teeth, as scheme as shown in the of foot-operated 7, mainly comprise 1 tie head locked groove, 2 tie head are fastened, 3 foot-operated encirclements, 4 tie head are fastened, 5 tie head locked grooves, 6 pedal spindles, 3 foot-operated encirclements are designed to an entirety and can be convenient to process cost-saving, in Fig. 5,3 band pin cavity walls have 2 band pins in connecting, 2 band pin one sides are with 1 band tooth, can upwards catch on 1 band tooth in the assorted band of Fig. 6, in Fig. 5,5 strap slot and the upper and lower soft material of 4 strap slot have certain radian angle can be arranged on the 1 tie head locked groove that Fig. 7 rides, in the 5 tie head locked grooves that Fig. 6 band is ridden through Fig. 7, in Fig. 6,1 tie head has in the 5 tie head locked grooves that certain slope angle is just stuck in Fig. 7, Fig. 6 band other end 3 band teeth are through the 3 band pin chambeies of assorted Fig. 5 taking the lead on locked groove of Fig. 7 and be buckled on 1 band tooth, so the head of Fig. 6 band and tooth and 2 band bodies have certain 1 and 5 tie head locked grooves that have certain inclination angle or Fig. 7 itself to have certain inclination angle to adapt to the head of Fig. 6 band and the angle of tooth and 2 band bodies, finally ride as shown in Figure 3 band footwear, band connects from the foot-operated lower left corner to upper right ties footwear or sole (from example Figure 13, band 5 is greater than 55 degree with foot-operated 4 pivot center angle, band 5 edges are curved, contribute to pin outwards to extract out fast, when parking, can not trip, can certainly be from another diagonal line binding, connect binding from the foot-operated upper left corner to the lower right corner, certainly 4 and 2 tie head that Fig. 7 rides are fastened and also will be adjusted to the upper left corner and the lower right corner), band adopts plastic material to have certain degree of hardness archwise, certainly, in the time that the common mode of riding does not need band when namely two cranks 180 are spent, band increment can be forgotten about it the end of to so that arcly substantially do not have, so just can not affect foot-operated traditional approach uses, otherwise while returning to arc state, only need push 6 band plectrums on the 2 band pins of Fig. 5 aside and retract band, people's sole or footwear freely enter band region than being easier to from the foot-operated lower right corner to the upper left corner like this, suitably adjust the angle of pin to parallel state of nature, can adjust the firmly tightness of band by adjusting pin extruding band, can certainly adjust in Fig. 5 band pin to adjust band length, the inner side of pin and the plane of bending in outside can be stumbled by band, make like this pin firmly drag arbitrarily up and down pedal exercising in front and back, finally reach exercise effect, by the independent design and installation of Fig. 5 tie head bundle, more convenient to use, after in the future aging discarding, can change and pound band and tie head continuation use, facilitate installing/dismounting to change easy to use.At this moment bicycle has just had three kinds to trample mode: 1, and double-legged crank 180 is spent traditional approach; 2, when double-legged crank 0 is spent, then both feet front lowerly return lower front upperly from upper, and half-turn is trampled mode of motion, lighter; 3, when double-legged crank 0 is spent, from upper front lower rear whole circle mode of motion, this is also high intensity exertions mode.

Claims

1. the structure of a novel crank sprocket wheel cradling function, it is characterized in that as shown in Figure 1 on (5) crank with (15) Quick release cylinder and (7) quick detach groove, rotation (11) Quick release stretches out downwards with (17) the tapped bore spiral in (16) ruggedized construction and is connected along (15) Quick release cylinder, by (1) 5 Quick release cylinder withholding in (18) pressing groove tightly, (5) crank entirety is tightly arranged on (20) chain wheel support by two installation attachment points, (16) ruggedized construction is fixed as one and is arranged on bicycle middle shaft with (20) chain wheel support, rotation unclamp (8) fast dismounting handle disconnect be connected with (17) tapped bore after, along (5) crank axis end capable of rotating 180 deg, rotation (11) Quick release is by (15) Quick release cylinder being pressed in (23) pressing groove tightly, band is installed to from the lower left corner to the upper right corner to (1) rides simultaneously.

2. the structure of a novel crank sprocket wheel cradling function, it is characterized in that as shown in Figure 8, (7) on crank, be fixed with (3) crank positioning end and (12) crank positioning end and (8) quick detach groove, (16) chain wheel support is with (1) and (14) ruggedized construction and (2) and (13) pressing groove, unclamp (5) Quick release on axis, (7) crank is loosening, (3) crank positioning end and (12) crank positioning end depart from from (2) pressing groove and (13) pressing groove, (7) crank encloses (19) chain wheel support central siphon around Rotate 180 degree, rotation (5) Quick release is buckled in (7) crank compact lock on (16) chain wheel support again, (4) fast dismounting handle can be pressed in (8) quick detach groove, crank positioning end quantity can be expanded into 2 or 4 or 6 or the distributed architecture of 8 any even numbers (comprising the coupling of disk tooth) symmetry and corresponding pressing groove structure design coupling fixed form, on axis, use quick-disassembly structure that (7) crank compact lock is buckled on (16) chain wheel support.

3. according to the structure of the novel crank sprocket wheel cradling function described in claim 1 and 2, it is characterized in that, after unclamping as shown in Figure 1 11 Quick releases, the angle between 5 cranks and opposite side 2 cranks is adjusted in rotation, left 2) crank and right 5) adjustable angle that forms of crank is 0 degree or 180 degree, unclamps as shown in Figure 8 5) rotation left 20 after Quick release) crank and right 7) adjustable angle that forms of crank is 0 degree or 180 degree.

4. according to the structure of the novel crank sprocket wheel cradling function described in claim 1 and 2, it is characterized in that, (8) fast dismounting handle can be placed in (7) quick detach groove of (5) crank as shown in Figure 1.

5. according to the structure of the novel crank sprocket wheel cradling function described in claim 1 and 2, it is characterized in that, degree of tightness (11) Quick release makes the closely fixing of (15) Quick release cylinder and (18) or (23) pressing groove as shown in Figure 1, and 4 fast dismounting handles can be pressed in (8) quick detach groove as shown in Figure 8.

6. according to the structure of the novel crank sprocket wheel cradling function described in claim 1 and 2, it is characterized in that, foot-operated (5) band is from the arc upper right corner (1) the tie head lock that is connected to of the foot-operated lower left corner (3) tie head as shown in Figure 3, band on demand length is adjusted movable head Fig. 5 band pin, footwear or people's pin is suitably adjusted the angle of pin to parallel state of nature, can adjust the firmly tightness of band and then control the foot-operated pin front and back up-and-down movement of following and (also can from another diagonal angle, band be installed conversely by adjustment pin extruding band, connect binding from the foot-operated upper left corner to lower right corner bow type, certainly (4) and (2) tie head that Fig. 7 rides is fastened and also will be adjusted to the upper left corner and the lower right corner), in the time that the common mode of riding does not need band when namely two cranks 180 are spent, band increment can be forgotten about it to the end so that arc diminishing.

7. according to the structure of the novel crank sprocket wheel cradling function described in claim 1 and 2, it is characterized in that, independent design and (5) strap slot gradient by Fig. 5 tie head bundle are arranged in foot-operated (1) the tie head locked groove of Fig. 7, the 6 band plectrums of pushing (2) band pin of Fig. 5 aside facilitate band length adjustment, and band installing/dismounting is changed easy to use.

8. according to the structure of the novel crank sprocket wheel cradling function described in claim 1 and 2, it is characterized in that, on Figure 13, see, band (5) is greater than 55 degree with the pivot center angle of foot-operated (4), band (5) edge is curved, contributes to pin outwards to extract out fast, when parking, can not trip.

9. the structure of novel crank sprocket wheel cradling function according to claim 2, it is characterized in that, instance graph 9 medi-springs (7) are placed in the groove between crank (5) and chain wheel support crank axis end (8), flick crank (5) and easily rotate this crank 180 and spend while contributing to loosening fast dismounting handle.