CN107512360A - A kind of bicycle based on variable chain - Google Patents

A kind of bicycle based on variable chain Download PDF

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Publication number
CN107512360A
CN107512360A CN201710791929.4A CN201710791929A CN107512360A CN 107512360 A CN107512360 A CN 107512360A CN 201710791929 A CN201710791929 A CN 201710791929A CN 107512360 A CN107512360 A CN 107512360A
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CN
China
Prior art keywords
ring
cylinder
chain
drive
regulation
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Granted
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CN201710791929.4A
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Chinese (zh)
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CN107512360B (en
Inventor
柳欢
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Linyi Lingang Investment Management Co ltd
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Individual
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Priority to CN201710791929.4A priority Critical patent/CN107512360B/en
Publication of CN107512360A publication Critical patent/CN107512360A/en
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Publication of CN107512360B publication Critical patent/CN107512360B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/08—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving eccentrically- mounted or elliptically-shaped driving or driven wheel; with expansible driving or driven wheel

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

The invention belongs to technical field of bicycles, more particularly to a kind of bicycle based on variable chain, it is made up of bicycle body, pedal, transmission mechanism, when people are during traveling is ridden a bicycle；If control the steel wire on transmission mechanism that there is the radius for being wrapped in chain on three transmission support arc blocks in the chain regulating mechanism of steel wire to become big by adjusting bicycle when being travelled on straight road surface；Diminished simultaneously by being wrapped in the radius of chain on three transmission support arc blocks in governor motion another chain regulating mechanism；So that bicycle running speed accelerates.When running into upward slope during people travel in cycling；There is the radius that chain on three transmission support arc blocks is wrapped in the chain regulating mechanism of steel wire to diminish by the resistance of bicycle；Become big by being wrapped in the radius of chain on three transmission support arc blocks in governor motion another chain regulating mechanism simultaneously；So that people are lighter during cycling travels.

Description

A kind of bicycle based on variable chain
Technical field
The invention belongs to technical field of bicycles, more particularly to a kind of bicycle based on variable chain.
Background technology
Current existing multi-speed bicycle can only change speed by adjusting gearratio, but can not be hindered according to bicycle The change of power oneself adjusts travel speed, so bicycle will be extremely limited in use, so as to give Personal and enterprise brings many troubles, oneself governing speed and user can be enabled to make so just needing to design one kind More easily bicycle is necessary during.
A kind of bicycle based on variable chain of present invention design solves as above problem.
The content of the invention
To solve drawbacks described above of the prior art, the present invention discloses a kind of bicycle based on variable chain, and it is to adopt Realized with following technical scheme.
A kind of bicycle based on variable chain, it is made up of bicycle body, pedal, transmission mechanism；Pedal is with passing Motivation structure connects；It is characterized in that：Transmission mechanism it include supporting plate, governor motion, chain, chain regulating mechanism, dovetail groove, Mounting ring, regulation belt, support shaft, slip trapezoid block, belt pulley, the first spring, trapezoidal drive block, threaded hole of steel, escape groove, steel Silk, the first keystone ring, second spring, drive ring, the first trapezoidal annular groove, are wherein symmetrically provided with two ladders on the side of supporting plate Shape groove, and two dovetail grooves are located at the centre of supporting plate；The both ends of support shaft are separately installed with a slip trapezoid block；Two branch Support axle and be arranged on two mutually by two cooperations for sliding trapezoid block two dovetail grooves corresponding with two supporting plates respectively Between symmetrical supporting plate；About three are separately installed between four slip trapezoid blocks and corresponding four dovetail grooves uniformly to divide First spring of cloth；Two belt pulleys are separately mounted in two support shafts, and one of them being close in two supporting plates Supporting plate；Two chain regulating mechanisms are installed, and two chain regulating mechanisms are located at supporting plate respectively between two supporting plates Both ends；The first trapezoidal annular groove is provided with the side of drive ring；Drive ring is arranged on one of them in two chain regulating mechanisms One end of chain regulating mechanism；It is provided between one end of the first trapezoidal annular groove and corresponding chain regulating mechanism and installs on drive ring There is second spring；Threaded hole of steel is provided with the ring wall surface of mounting ring；Escape groove is provided with the periphery of mounting ring；The one of escape groove End passes the end face of mounting ring side；Mounting ring is arranged in two supporting plates in a supporting plate of drive ring, and is pacified Dress ring, which is located at, to be provided with the outside of the chain regulating mechanism of drive ring；Mounting ring coordinates with drive ring；First keystone ring is arranged on the In one trapezoidal annular groove；Steel wire is installed on the end face of first keystone ring；The other end of steel wire is located at mounting ring through threaded hole of steel Outside；Adjust and many trapezoidal drive blocks are equably installed on the lateral surface of belt；Each chain in two chain regulating mechanisms A tune is separately installed between governor motion and a belt pulley mutually close with the chain regulating mechanism in two belt pulleys Save belt；One chain is installed, and chain is on the outside of two regulation belts between two chain regulating mechanisms；Chain is distinguished Coordinate with the trapezoidal drive block on two regulation belts；Governor motion is arranged between two supporting plates, and close to being provided with Fill the supporting plate of ring；Governor motion coordinates with two chain regulating mechanisms respectively.
Above-mentioned chain regulating mechanism includes transmission support arc block, adjusting rod, installation cylinder, the 3rd spring, regulation ring, second Trapezoidal annular groove, cylinder groove, retainer ring, regulating tank, adjustment hole, rectangular cavity, spacing annulus, promotion disk, the second rack, the 4th bullet Spring, catch bar, limited block, the first guide plate, rotary shaft, first gear, second gear, the second guide plate, promotion cylinder ring, card Ring, cylindrical hole, position-arresting disk, the first rack, wherein the inner circumferential of installation cylinder is equably provided with three rectangular cavities；Three square On chamber an adjustment hole is provided with close to the side of installation cylinder periphery；Close to installation cylinder periphery on three rectangular cavities Side is provided with a cylinder groove；Adjustment hole and cylinder groove on same rectangular cavity is respectively on rectangular cavity close to installation The both ends of cylinder periphery side；It is circumferential on the disc of three cylinder grooves to be equably provided with four groups of regulating tanks；Four groups of regulating tanks In regulating tank in every group of regulating tank be uniformly distributed up and down on the disc of cylinder groove；Three spacing annulus are separately mounted to three On the disc of individual cylinder groove upper end；One end of retainer ring has inclined-plane；Retainer ring has bevelled one end and is arranged on installation cylinder On be provided with one end of rectangular cavity；The side of regulation ring has inclined-plane；The second trapezoidal annular groove is provided with the end face of regulation ring opposite side； Regulation ring is arranged on installation cylinder, and the inclined-plane on the inclined-plane and retainer ring in regulation ring coordinates；Pacified in three rectangular cavities Assembling structure is identical；For wherein any one；The both ends of rotary shaft are separately mounted in the both ends of the surface on the inside of rectangular cavity；The One gear and second gear are separately mounted to the both ends of rotary shaft；Second rack is arranged in installation cavity by the second guide plate, And second rack engaged with first gear；One end of adjusting rod is arranged on the upside of second rack one end；The other end of adjusting rod The inner headed face for passing adjustment hole and regulation ring connects；Institute's mounting structure is identical in three cylinder grooves；For wherein any one It is individual；First rack is arranged on the inside of installation cavity by the first guide plate；First rack engages with second gear；Position-arresting disk is arranged on Close to one end of cylinder groove on first rack；One end of catch bar is arranged on one end away from the first rack on position-arresting disk；Promote Former disk is arranged on the other end of catch bar；Catch bar, which is located in cylinder groove, to be surveyed；Former disk is promoted to be located at the outside of cylinder groove, and it is close The periphery of cylinder is installed；Spacing former disk is located at the lower end of cylinder groove, and the diameter of spacing former disk is more than the diameter of cylinder groove；Push away Three snap rings are equably installed from top to bottom on the periphery of dynamic annulus post；Promote cylinder to be arranged on catch bar, and promote Cylinder is located in cylinder groove；Promote the upper end of cylinder that the 3rd spring is installed；3rd spring is with promoting former disk to coordinate；In cylinder groove Regulating tank in be mounted on a limited block；The both sides of limited block are respectively provided with inclined-plane；And close to installation cylinder in two inclined-planes The angle of inclination on the inclined-plane of periphery side is less than the angle of inclination on another inclined-plane；Each limited block and corresponding regulating tank it Between be mounted on the 4th spring；Two inclined-planes on limited block coordinate with snap ring；The external diameter of snap ring, which is more than in cylinder groove, to be limited The interior warp of circle of position ring；Three transmission support arc blocks are circumferentially positioned evenly between retainer ring and regulation ring.
Above-mentioned governor motion includes telescopic advance lever, U-shaped support, connecting rod, the second keystone ring, wherein U-shaped support installation It is provided with two supporting plates in a supporting plate of mounting ring, and the U-shaped mouth of U-shaped support is towards another supporting plate；It is flexible The centre position of adjusting rod is arranged on the U-lag in U-shaped support by the cooperation of pin and pin-and-hole；The both ends of telescopic advance lever A connecting rod is provided with by the cooperation of pin and pin-and-hole respectively；Be separately installed with two connecting rods one it is second trapezoidal Ring, and two the second keystone rings are separately mounted in two the second trapezoidal annular grooves in two chain regulating mechanisms；Telescopic adjustment It is located on bar close to one end of mounting ring through the escape groove in mounting ring on the inside of mounting ring.
The half of a diameter of second gear diameter of above-mentioned first gear.It is by changing adjusting rod and that it, which is acted on, The gearratio of one rack；Ensure that transmission support arc block leaves interval in moving process between corresponding regulation ring；So that pass It is more smooth in dynamic supporting arc block moving process.
Above-mentioned drive ring is arranged on installation cylinder and is not installed with the periphery of retainer ring one end；Installed in drive ring with Second spring between corresponding chain regulating mechanism, its one end are arranged on drive ring, and the other end is arranged in regulation ring and is provided with On the end face of second trapezoidal annular groove side.
The inner side of above-mentioned regulation belt is on the outside of corresponding three transmission support arc blocks；Chain and two chain regulation machines The trapezoidal drive block on regulation belt on structure on three transmission support arc blocks coordinates.
The both ends of above-mentioned pedal are connected with the retainer ring on the chain regulating mechanism with steel wire and installation cylinder respectively.
As the further improvement of this technology, two inclined-planes on above-mentioned limited block coordinate with snap ring；Close to installation cylinder Inclined-plane can ensure snap ring promote annulus post Action of Gravity Field under move down when under the 4th spring effect without departing from The constraint of limited block；And snap ring can be suitable in the presence of the 4th spring during being moved up under promoting annulus post to drive The constraint for pushing limited block open sharply moves up.
As the further improvement of this technology, above-mentioned drive ring can rotate under the drive of installation cylinder；Drive simultaneously Ring can move relative to axis of the installation cylinder along installation cylinder.
As the further improvement of this technology, above-mentioned regulation ring can rotate under the drive of installation cylinder；Adjust simultaneously Ring can move relative to axis of the installation cylinder along installation cylinder.
As the further improvement of this technology, the inner side of close supporting plate one end is with installing on cylinder not in above-mentioned mounting ring One end connection of retainer ring is installed, and cylinder is installed to rotate relative to mounting ring；Mounting ring plays to drive ring simultaneously Spacing effect.
As the further improvement of this technology, one end of above-mentioned mounting ring, which is arranged on installation cylinder, is not installed with retainer ring One end；The other end is arranged on the periphery of regulation ring.
As the further improvement of this technology, can only be carried out between the periphery of above-mentioned regulation ring and the inner headed face of mounting ring Rotate and transmit.
It is above-mentioned to be located at two chain regulating mechanisms in the presence of two regulation belts as the further improvement of this technology On six transmission support arc blocks be always positioned at corresponding between retainer ring and regulation ring.
As the further improvement of this technology, the both ends of above-mentioned telescopic advance lever can be stretched.Its effect is to prevent Telescopic advance lever interferes in swing process with connecting rod.
Relative to traditional bike tech, the bicycle that the present invention designs can control bicycle by automatically adjusting The speed of traveling；So that people are lighter in use.
The both ends of support shaft are separately installed with a slip trapezoid block in the present invention；Two support shafts pass through two cunnings respectively The cooperation of dynamic trapezoid block two dovetail grooves corresponding with two supporting plates is arranged between two symmetrical supporting plates；Four About three equally distributed first springs are separately installed between individual slip trapezoid block and corresponding four dovetail grooves；Two skins Belt wheel is separately mounted in two support shafts, and the one of supporting plate being close in two supporting plates；Two supporting plates it Between two chain regulating mechanisms are installed, and two chain regulating mechanisms are located at the both ends of supporting plate respectively；The side of drive ring On be provided with the first trapezoidal annular groove；Drive ring is arranged on installation cylinder and is not installed with the periphery of retainer ring one end；Drive ring Second spring is installed between corresponding regulation ring；Mounting ring is arranged in two supporting plates close to a support of drive ring On plate, and mounting ring is located on the outside of corresponding drive ring；Close to the inner side of supporting plate one end with installing on cylinder not in mounting ring One end connection of retainer ring is installed, and cylinder is installed to rotate relative to mounting ring；Mounting ring plays to drive ring simultaneously Spacing effect.Mounting ring coordinates with drive ring；First keystone ring is arranged in the first trapezoidal annular groove；The end face of first keystone ring On steel wire is installed；The other end of steel wire is located at the outside of mounting ring through threaded hole of steel；Each chain in two chain regulating mechanisms One is separately installed between bar governor motion and a belt pulley mutually close with the chain regulating mechanism in two belt pulleys Adjust belt；One chain is installed, and chain is on the outside of two regulation belts between two chain regulating mechanisms；Chain point Do not coordinate with the trapezoidal drive block on two regulation belts；Three spacing annulus are separately mounted to the disc of three cylinder groove upper ends On；Retainer ring has bevelled one end and is arranged on one end that rectangular cavity is provided with installation cylinder；Regulation ring is arranged on installation cylinder On, and the inclined-plane on the inclined-plane and retainer ring in regulation ring coordinates；Institute's mounting structure is identical in three rectangular cavities；For it In any one；The both ends of rotary shaft are separately mounted in the both ends of the surface on the inside of rectangular cavity；First gear and second gear difference Installed in the both ends of rotary shaft；Second rack is arranged in installation cavity by the second guide plate, and the second rack and first gear Engagement；One end of adjusting rod is arranged on the upside of second rack one end；The other end of adjusting rod passes adjustment hole and regulation ring Inner headed face connects；Institute's mounting structure is identical in three cylinder grooves；For wherein any one；First rack is led by first It is arranged on to plate on the inside of installation cavity；First rack engages with second gear；Position-arresting disk is arranged on the first rack close to cylinder groove One end；One end of catch bar is arranged on one end away from the first rack on position-arresting disk；Former disk is promoted to be arranged on the another of catch bar One end；Catch bar, which is located in cylinder groove, to be surveyed；Former disk is promoted to be located at the outside of cylinder groove, and close to the periphery of installation cylinder；Limit The former disk in position is located at the lower end of cylinder groove, and the diameter of spacing former disk is more than the diameter of cylinder groove；On the periphery for promoting annulus post Three snap rings are equably installed from top to bottom；Promote cylinder to be arranged on catch bar, and promote cylinder to be located in cylinder groove；Push away The upper end of dynamic cylinder is provided with the 3rd spring；3rd spring is with promoting former disk to coordinate；It is mounted in regulating tank in cylinder groove One limited block；The both sides of limited block are respectively provided with inclined-plane；And close to the inclined-plane of installation cylinder periphery side in two inclined-planes Angle of inclination is less than the angle of inclination on another inclined-plane；One the 4th is each mounted between limited block and corresponding regulating tank Spring；Two inclined-planes on limited block coordinate with snap ring；The external diameter of snap ring is more than the interior warp of spacing annulus in cylinder groove；Three biographies Dynamic supporting arc block is circumferentially positioned evenly between retainer ring and regulation ring；Installation is installed in two supporting plates of U-shaped support installation In one supporting plate of ring, and the U-shaped mouth of U-shaped support is towards another supporting plate；The centre position of telescopic advance lever passes through pin The cooperation of nail and pin-and-hole is arranged on the U-lag in U-shaped support；The both ends of telescopic advance lever are separately installed with a connecting rod； Second keystone ring is separately installed with two connecting rods, and two the second keystone rings are separately mounted to two chain regulation machines In two the second trapezoidal annular grooves in structure；It is located on telescopic advance lever close to one end of mounting ring through the escape groove in mounting ring On the inside of mounting ring；The half of a diameter of second gear diameter of first gear；The inner side of belt is adjusted positioned at corresponding three On the outside of individual transmission support arc block；On chain and two chain regulating mechanisms on the regulation belt on three transmission support arc blocks Trapezoidal drive block coordinate.Two inclined-planes in the present invention on limited block coordinate with snap ring；Can close to the inclined-plane of installation cylinder Guarantee snap ring under promoting the Action of Gravity Field of annulus post when moving down without departing from the beam of limited block under the 4th spring effect Tie up；And snap ring can successfully push limit open during being moved up under promoting annulus post to drive in the presence of the 4th spring The constraint of position block moves up.Drive ring can rotate under the drive of installation cylinder in the present invention；Drive ring can phase simultaneously Moved for axis of the installation cylinder along installation cylinder.Regulation ring can rotate under the drive of installation cylinder in the present invention； Regulation ring can move relative to axis of the installation cylinder along installation cylinder simultaneously.The periphery of regulation ring and mounting ring it is interior Rotation transmission can only be carried out between disc.In the present invention in the presence of two regulation belts on two chain regulating mechanisms Six transmission support arc blocks be always positioned at corresponding between retainer ring and regulation ring.The both ends of above-mentioned telescopic advance lever can be entered Row is flexible.When people are during traveling is ridden a bicycle；If when being travelled on straight road surface and wanting to accelerate；For with The chain regulating mechanism of steel wire；The steel wire on transmission mechanism is controlled by adjusting bicycle；Control steel wire causes steel wire to drive First keystone ring along installation cylinder axis transverse shifting；The movement of first keystone ring drives drive ring movement；Drive ring moves just Second spring can be extruded；When second spring is compressed to the limit；Second spring will drive regulation ring along installation cylinder axis Transverse shifting；On the one hand extruding transmission support arc block moves regulation ring transverse shifting to away from installation cylinder axis direction；It is another The movement of aspect regulation ring can drive corresponding three adjusting rods to be moved towards corresponding first gear direction；Adjusting rod movement drives Corresponding second rack movement；The movement drive of second rack corresponds to obtain first gear rotation；First gear is rotated corresponding to drive Rotary shaft rotates；Rotary shaft rotates second gear corresponding to drive and rotated；Second gear, which rotates, causes the first rack to close to peace Fill the periphery movement of cylinder；Position-arresting disk movement corresponding to the movement drive of first rack；Position-arresting disk movement promotes corresponding to driving Bar moves；Catch bar movement promotes former disk movement corresponding to driving；Promote transmission support arc block court corresponding to former disk movement drive Away from the movement of installation cylinder axis direction；Transmission support arc block movement will cause three transmission support arc blocks to form cylindrical Face becomes big；And then the radius for be wrapped in regulation belt on three transmission support arc blocks becomes big；And then to be wrapped in three The radius of chain becomes big on transmission support arc block；When position-arresting disk is with promoting annulus post to contact in moving process for the first rack； Spacing annulus movement can drive the constraint for promoting annulus post to depart from limited block to be moved to close to one end of installation cylinder periphery；Enter And it can continue to change the radius for being wrapped in chain on three transmission support arc blocks；For in another chain regulating mechanism；When When regulation ring in chain regulating mechanism with steel wire moves；Regulation ring can drive corresponding second keystone ring movement；Second Connecting rod movement corresponding to keystone ring drive；Connecting rod movement can cause telescopic advance lever to swing；Telescopic advance lever, which is swung, to be caused Moved in the opposite direction with the connecting rod that not there is the chain regulating mechanism of steel wire to be connected；Connecting rod movement drive corresponding to the Two keystone rings move；The movement of second keystone ring drives the regulation ring movement not having in the chain regulating mechanism of steel wire；Regulation ring The mobile spacing caused between regulation ring and corresponding retainer ring increases；Then the transmission branch between retainer ring and regulation ring Supportting arc block will move to close to the direction of installation cylinder axis；Transmission support arc block movement will cause three transmission support arcs The periphery of block composition diminishes；And then the radius for be wrapped in regulation belt on three transmission support arc blocks diminishes；And then make The radius that chain on three transmission support arc blocks must be wrapped in diminishes；And then can changes the biography of output and input on bicycle Dynamic ratio；So that the speed of bicycle running is accelerated；When running into upward slope during people travel in cycling；The resistance of bicycle Power will become big；Now the pressure for the regulation belt that chain is given on the chain regulating mechanism with steel wire will become big；And then make The pressure must with three transmission support arc blocks on the chain regulating mechanism of steel wire becomes big；Three transmission support arc blocks will squeeze Regulation ring corresponding to pressure；So that regulation ring moves away from the side of corresponding retainer ring；Three transmission support arc blocks will be to Close to the direction movement of installation cylinder axis；Transmission support arc block movement will cause three transmission support arc blocks to form cylindrical Face diminishes；And then the radius for be wrapped in regulation belt on three transmission support arc blocks diminishes；And then to be wrapped in three The radius of chain diminishes on transmission support arc block；Three transmission support arc blocks, which move down, simultaneously can extrude promotion disk；So that Disk is promoted to be moved to close to the direction of installation cylinder axis；Promote former disk movement will extrude corresponding to the 3rd spring cause the Three spring-compresseds；When the 3rd spring is forced into the limit；3rd spring promotes cylinder ring to depart from limited block corresponding to causing Constraint moves down；It is that ensure that three transmission support arc blocks can be moved smoothly to close to the direction of installation cylinder axis that it, which is acted on, It is dynamic；There is the chain regulating mechanism of steel wire simultaneously by being wrapped in three biographies in governor motion another chain regulating mechanism The radius of chain becomes big on dynamic supporting arc block；And then change the gearratio exported on bicycle with input；So that people are riding It is lighter during voluntarily travelling；In the present invention integrally-regulated belt is not interfered with because the perimeter change for adjusting belt is smaller Girth；So when the radius for the regulation belt being wrapped on three transmission support arc blocks becomes big；Regulation belt will pull Corresponding belt pulley；So that belt pulley is moved by corresponding slip trapezoid block along corresponding dovetail groove；It ensure that regulation skin The normal operation of band；It is wrapped in the radius of chain on three transmission support arc blocks in two chain regulating mechanisms by adjusting simultaneously Change to ensure the whole perimeter of chain；Enable chain normal operation；In the present invention when being travelled on level road；When not having Regulation ring in the chain regulating mechanism of steel wire will drive corresponding three adjusting rods to away from corresponding first tooth when moving Take turns direction movement；Second rack movement corresponding to adjusting rod movement drive；The movement drive of second rack corresponds to obtain first gear turn It is dynamic；First gear rotates rotary shaft corresponding to drive and rotated；Rotary shaft rotates second gear corresponding to drive and rotated；Second gear Rotate and the first rack is moved to the periphery away from installation cylinder；Position-arresting disk movement corresponding to the movement drive of first rack； Catch bar movement corresponding to position-arresting disk movement drive；Catch bar movement promotes former disk movement corresponding to driving；Former disk is promoted to move 3rd spring corresponding to will extruding causes the 3rd spring-compressed；When the 3rd spring is forced into limiting value；3rd spring can make Promote cylinder ring to depart from the constraint of limited block corresponding to obtaining to move down；It ensure that three transmission support arc blocks in moving process Will not be with promoting disk interference；When promotion disk is moved to desired place in transmission support arc block corresponding to drive in the present invention When；Under gravity；Promote disk, catch bar, position-arresting disk, the first rack and promote annulus post will be to close to installation cylinder One end movement of axis；And transmission support arc block can also move to close to one end of installation cylinder axis under gravity；Most Afterwards so that transmission support arc block be stuck in corresponding between regulation ring and retainer ring；It can be adjusted in the present invention by adjusting steel wire Save the elastic force of second spring between ring and corresponding drive ring；Control to adjust between ring and retainer ring to the pressure of transmission support arc block Power；Prevent transmission support arc block traveling that is too tight or too loose and influenceing bicycle during bicycle running.
When the bicycle that people are designed using the present invention；When people are during traveling is ridden a bicycle；If flat When being travelled on forthright face and wanting to accelerate；For the chain regulating mechanism with steel wire；Transmission is controlled by adjusting bicycle Steel wire in mechanism；Control steel wire causes steel wire to drive the first keystone ring along installation cylinder axis transverse shifting；First is trapezoidal Ring movement drives drive ring movement；Drive ring movement will extrude second spring；When second spring is compressed to the limit；Second bullet Spring will drive regulation ring along installation cylinder axis transverse shifting；On the one hand regulation ring transverse shifting extrudes transmission support arc block To away from the movement of installation cylinder axis direction；The movement of another aspect regulation ring can drive corresponding to three adjusting rods towards corresponding Move in first gear direction；Second rack movement corresponding to adjusting rod movement drive；Second rack movement drive correspond to first Pinion rotation；First gear rotates rotary shaft corresponding to drive and rotated；Rotary shaft rotates second gear corresponding to drive and rotated；The Two pinion rotations cause the first rack to be moved to the periphery close to installation cylinder；Position-arresting disk corresponding to the movement drive of first rack It is mobile；Catch bar movement corresponding to position-arresting disk movement drive；Catch bar movement promotes former disk movement corresponding to driving；Promote former disk Transmission support arc block is away from the movement of installation cylinder axis direction corresponding to mobile drive；Transmission support arc block movement will make The periphery for obtaining three transmission support arc blocks compositions becomes big；And then to be wrapped on three transmission support arc blocks and adjust belt Radius becomes big；And then the radius for being wrapped in chain on three transmission support arc blocks is caused to become big；When the first rack is in moving process When middle position-arresting disk contacts with promotion annulus post；The movement of spacing annulus can drive the constraint that promotes annulus post to depart from limited block to close One end movement of cylinder periphery is installed；And then it can continue to change the radius for being wrapped in chain on three transmission support arc blocks； For in another chain regulating mechanism；When the regulation ring movement in the chain regulating mechanism with steel wire；Regulation ring can band Second keystone ring movement corresponding to dynamic；Connecting rod movement corresponding to the drive of second keystone ring；Connecting rod movement can cause flexible tune Pole is swung；The connecting rod that telescopic advance lever swing causes with the chain regulating mechanism with steel wire is not connected is in the opposite direction It is mobile；Second keystone ring movement corresponding to connecting rod movement drive；The movement of second keystone ring drives the chain without steel wire to adjust Save the regulation ring movement in mechanism；Regulation ring, which moves, causes the spacing between regulation ring and corresponding retainer ring to increase；Then position Transmission support arc block between retainer ring and regulation ring will move to close to the direction of installation cylinder axis；Transmission support arc Block movement will cause the periphery of three transmission support arc block compositions to diminish；And then to be wrapped in three transmission support arc blocks The radius of upper regulation belt diminishes；And then the radius for be wrapped in chain on three transmission support arc blocks diminishes；And then can To change the gearratio exported on bicycle with input；So that the speed of bicycle running is accelerated.
Brief description of the drawings
Fig. 1 is global facility schematic appearance.
Fig. 2 is transmission mechanism structural representation.
Fig. 3 is supporting plate structure schematic diagram.
Fig. 4 is transmission mechanism internal structure schematic diagram.
Fig. 5 is chain scheme of installation.
Fig. 6 is governor motion structural representation.
Fig. 7 is the second keystone ring structural representation.
Fig. 8 is chain structure schematic diagram.
Fig. 9 is to slide trapezoidal block structure schematic diagram.
Figure 10 is regulation belt composition schematic diagram.
Figure 11 is mounting ring structural representation.
Figure 12 is the first keystone ring structural representation.
Figure 13 is chain regulating mechanism structural representation.
Figure 14 is chain regulating mechanism internal structure schematic diagram.
Figure 15 is drive ring structural representation.
Figure 16 is scheme of installation inside chain regulating mechanism.
Figure 17 is regulation ring structural representation.
Figure 18 is transmission support arc block structure schematic diagram.
Figure 19 is installation cylindrical structure schematic diagram.
Figure 20 is installation cylindrical inside structural representation.
Figure 21 is first gear scheme of installation.
Figure 22 is catch bar scheme of installation.
Figure 23 is to promote cylindrical ring structure schematic diagram.
Figure 24 is drive ring operation principle schematic diagram.
Figure 25 is transmission support arc block operation principle schematic diagram.
Figure 26 is belt pulley operation principle schematic diagram.
Figure 27 is governor motion operation principle schematic diagram.
Figure 28 is the first rack work principle schematic.
Figure 29 is the 3rd spring works principle schematic.
Label title in figure：1st, supporting plate；2nd, governor motion；3rd, chain；4th, chain regulating mechanism；5th, dovetail groove；6th, pacify Fill ring；7th, belt is adjusted；8th, support shaft；9th, trapezoid block is slided；10th, telescopic advance lever；11st, U-shaped support；12nd, connecting rod；13、 Belt pulley；14th, the first spring；15th, trapezoidal drive block；16th, threaded hole of steel；17th, escape groove；18th, steel wire；19th, the first keystone ring； 20th, transmission support arc block；21st, second spring；22nd, drive ring；23rd, adjusting rod；The 24th, cylinder is installed；25th, the first trapezoidal annular groove； 26th, the 3rd spring；27th, regulation ring；28th, the second trapezoidal annular groove；29th, cylinder groove；30th, retainer ring；31st, regulating tank；32nd, adjust Hole；33rd, spacing annulus；34th, disk is promoted；35th, the second rack；36th, the 4th spring；37th, catch bar；38th, limited block；39th, One guide plate；40th, rotary shaft；41st, first gear；42nd, second gear；43rd, the second guide plate；44th, cylinder ring is promoted；45th, block Ring；47th, position-arresting disk；48th, the first rack；49th, the second keystone ring；50th, rectangular cavity；51st, transmission mechanism.
Embodiment
As shown in figure 1, it is made up of bicycle body, pedal, transmission mechanism 51；Pedal is connected with transmission mechanism 51； It is characterized in that：As shown in Fig. 2 transmission mechanism 51 it include supporting plate 1, governor motion 2, chain 3, chain regulating mechanism 4, ladder Shape groove 5, mounting ring 6, regulation belt 7, support shaft 8, slide trapezoid block 9, belt pulley 13, the first spring 14, trapezoidal drive block 15, Threaded hole of steel 16, escape groove 17, steel wire 18, the first keystone ring 19, second spring 21, drive ring 22, the first trapezoidal annular groove 25, wherein As shown in figure 3, two dovetail grooves 5 are symmetrically provided with the side of supporting plate 1, and two dovetail grooves 5 are located in supporting plate 1 Between；As shown in figure 9, the both ends of support shaft 8 are separately installed with a slip trapezoid block 9；As shown in figure 4, two support shafts 8 are distinguished By two cooperations for sliding corresponding with two supporting plates 1 two dovetail grooves 5 of trapezoid blocks 9 installed in two symmetrically Between supporting plate 1；About three are separately installed between four slip trapezoid blocks 9 and corresponding four dovetail grooves 5 to be uniformly distributed The first spring 14；As shown in figure 5, two belt pulleys 13 are separately mounted in two support shafts 8, and it is close to two supporting plates One of supporting plate 1 in 1；Two chain regulating mechanisms 4, and two chain regulation machines are installed between two supporting plates 1 Structure 4 is located at the both ends of supporting plate 1 respectively；As shown in figure 15, the first trapezoidal annular groove 25 is provided with the side of drive ring 22；Drive ring 22 are arranged on one end of one of chain regulating mechanism 4 in two chain regulating mechanisms 4；As shown in figure 14, on drive ring 22 It is provided between one end of the first trapezoidal annular groove 25 and corresponding chain regulating mechanism 4 and second spring 21 is installed；As shown in figure 11, Threaded hole of steel 16 is provided with the ring wall surface of mounting ring 6；Escape groove 17 is provided with the periphery of mounting ring 6；One end of escape groove 17 Pass the end face of the side of mounting ring 6；Mounting ring 6 is arranged in two supporting plates 1 in a supporting plate 1 of drive ring 22, And mounting ring 6 is located at the outside of chain regulating mechanism 4 for being provided with drive ring 22；Mounting ring 6 coordinates with drive ring 22；Such as Figure 12 institutes Show, the first keystone ring 19 is arranged in the first trapezoidal annular groove 25；Steel wire 18 is installed on the end face of first keystone ring 19；Steel wire 18 The other end be located at the outside of mounting ring 6 through threaded hole of steel 16；As shown in Figure 10, adjust and equably pacify on the lateral surface of belt 7 Equipped with many trapezoidal drive blocks 15；As shown in figure 5, each chain regulating mechanism 4 and two belts in two chain regulating mechanisms 4 A regulation belt 7 is separately installed with wheel 13 between a belt pulley 13 mutually close with the chain regulating mechanism 4；Such as Fig. 8 It is shown, a chain 3 is installed, and chain 3 is positioned at two outsides of regulation belt 7 between two chain regulating mechanisms 4；Chain 3 Coordinate respectively with the trapezoidal drive block 15 on two regulation belts 7；Governor motion 2 is arranged between two supporting plates 1, and close The supporting plate 1 of mounting ring 6 is installed；Governor motion 2 coordinates with two chain regulating mechanisms 4 respectively.
As shown in figure 13, above-mentioned chain regulating mechanism 4 includes transmission support arc block 20, adjusting rod 23, installation cylinder 24, the Three springs 26, regulation ring 27, the second trapezoidal annular groove 28, cylinder groove 29, retainer ring 30, regulating tank 31, adjustment hole 32, rectangular cavity 50th, spacing annulus 33, promotion disk 34, the second rack 35, the 4th spring 36, catch bar 37, limited block 38, the first guide plate 39th, rotary shaft 40, first gear 41, second gear 42, the second guide plate 43, promotion cylinder ring 44, snap ring 45, cylindrical hole, limit Position disk 47, the first rack 48, wherein as shown in figure 19, the inner circumferential of installation cylinder 24 is equably provided with three rectangular cavities 50； On three rectangular cavities 50 adjustment hole 32 is provided with close to the side of the installation periphery of cylinder 24；It is close on three rectangular cavities 50 The side of the installation periphery of cylinder 24 is provided with a cylinder groove 29；Adjustment hole 32 and cylinder groove on same rectangular cavity 50 29 respectively on rectangular cavity 50 close to the both ends of installation cylinder 24 periphery side；It is circumferential on the disc of three cylinder grooves 29 Equably it is provided with four groups of regulating tanks 31；The disc of regulating tank 31 in four groups of regulating tanks 31 in every group of regulating tank 31 in cylinder groove 29 On up and down be uniformly distributed；As shown in figure 20, three spacing annulus 33 are separately mounted on the disc of three upper ends of cylinder groove 29； As shown in figure 20, one end of retainer ring 30 has inclined-plane；Retainer ring 30 has bevelled one end and opened on installation cylinder 24 There is one end of rectangular cavity 50；The side of regulation ring 27 has inclined-plane；As shown in figure 17, it is provided with the end face of the opposite side of regulation ring 27 Second trapezoidal annular groove 28；Regulation ring 27 be arranged on installation cylinder 24 on, and the inclined-plane in regulation ring 27 with it is oblique in retainer ring 30 Face coordinates；Institute's mounting structure is identical in three rectangular cavities 50；For wherein any one；As shown in figure 16, rotary shaft 40 Both ends be separately mounted in the both ends of the surface of the inner side of rectangular cavity 50；First gear 41 and second gear 42 are separately mounted to rotary shaft 40 both ends；As shown in figure 21, the second rack 35 is arranged in installation cavity by the second guide plate 43, and the second rack 35 and the One gear 41 engages；One end of adjusting rod 23 is arranged on the upside of the one end of the second rack 35；The other end of adjusting rod 23 passes tune Knothole 32 is connected with the inner headed face of regulation ring 27；Institute's mounting structure is identical in three cylinder grooves 29；For wherein any one It is individual；First rack 48 is arranged on the inside of installation cavity by the first guide plate 39；First rack 48 engages with second gear 42；Such as figure Shown in 22, position-arresting disk 47 is arranged on the first rack 48 close to one end of cylinder groove 29；One end of catch bar 37 is arranged on spacing One end away from the first rack 48 on disk 47；Former disk is promoted to be arranged on the other end of catch bar 37；Catch bar 37 is located at cylinder groove Surveyed in 29；Former disk is promoted to be located at the outside of cylinder groove 29, and close to the periphery of installation cylinder 24；Spacing former disk is located at cylinder groove 29 lower end, and the diameter of spacing former disk is more than the diameter of cylinder groove 29；As shown in figure 23, promote annulus post periphery on from Three snap rings 45 are equably installed under up to；Promote cylinder to be arranged on catch bar 37, and promote cylinder to be located at cylinder groove 29 It is interior；Promote the upper end of cylinder that the 3rd spring 26 is installed；3rd spring 26 is with promoting former disk to coordinate；Regulating tank in cylinder groove 29 A limited block 38 is mounted in 31；The both sides of limited block 38 are respectively provided with inclined-plane；And close to installation cylinder 24 in two inclined-planes The angle of inclination on the inclined-plane of periphery side is less than the angle of inclination on another inclined-plane；Each limited block 38 and corresponding regulating tank The 4th spring 36 is mounted between 31；Two inclined-planes on limited block 38 coordinate with snap ring 45；The external diameter of snap ring 45 is big In the interior warp of spacing annulus 33 in cylinder groove 29；As shown in figure 18, three transmission support arc blocks 20 are circumferential is positioned evenly over fixation Between ring 30 and regulation ring 27.
As shown in fig. 6, above-mentioned governor motion 2 includes telescopic advance lever 10, U-shaped support 11, connecting rod 12, the second keystone ring 49, wherein be provided with two supporting plates 1 of the U-shaped installation of support 11 in a supporting plate 1 of mounting ring 6, and the U of U-shaped support 11 Shape mouth is towards another supporting plate 1；The centre position of telescopic advance lever 10 is arranged on U-shaped support by the cooperation of pin and pin-and-hole On U-lag on 11；The both ends of telescopic advance lever 10 are provided with a connecting rod 12 by the cooperation of pin and pin-and-hole respectively；Such as Shown in Fig. 7, second keystone ring 49 is separately installed with two connecting rods 12, and two the second keystone rings 49 are separately mounted to In two the second trapezoidal annular grooves 28 in two chain regulating mechanisms 4；One end on telescopic advance lever 10 close to mounting ring 6 passes through Escape groove 17 in mounting ring 6 is located at the inner side of mounting ring 6.
The half of the diameter of a diameter of second gear 42 of above-mentioned first gear 41.Its effect is by changing adjusting rod 23 and first rack 48 gearratio；Ensure that transmission support arc block 20 leaves in moving process between corresponding regulation ring 27 Intermittently；It is so that more smooth in the moving process of transmission support arc block 20.
Above-mentioned drive ring 22 is arranged on installation cylinder 24 and is not installed with the periphery of the one end of retainer ring 30；Installed in drive Second spring 21 between rotating ring 22 and corresponding chain regulating mechanism 4, its one end are arranged on drive ring 22, and the other end is arranged on It is provided with regulation ring 27 on the end face of the second trapezoidal side of annular groove 28.
The inner side of above-mentioned regulation belt 7 is positioned at the corresponding outside of three transmission support arc blocks 20；Chain 3 and two chains are adjusted Trapezoidal drive block 15 in section mechanism 4 on the regulation belt 7 on three transmission support arc blocks 20 coordinates.
The both ends of above-mentioned pedal respectively with the retainer ring 30 on the chain regulating mechanism 4 with steel wire 18 and installation cylinder 24 Connection.
Two inclined-planes on above-mentioned limited block 38 coordinate with snap ring 45；It can ensure snap ring close to the inclined-plane of installation cylinder 24 45 constraint when being moved down under promoting the Action of Gravity Field of annulus post under the effect of the 4th spring 36 without departing from limited block 38； And snap ring 45 can be pushed open successfully during being moved up under promoting annulus post to drive in the presence of the 4th spring 36 The constraint of limited block 38 moves up.
Above-mentioned drive ring 22 can rotate under the drive of installation cylinder 24；Drive ring 22 can be justified relative to installation simultaneously Axis of the post 24 along installation cylinder 24 moves.
Above-mentioned regulation ring 27 can rotate under the drive of installation cylinder 24；Regulation ring 27 can justify relative to installation simultaneously Axis of the post 24 along installation cylinder 24 moves.
Close to the inner side of the one end of supporting plate 1 with being not installed with the one of retainer ring 30 on installation cylinder 24 in above-mentioned mounting ring 6 End connection, and installation cylinder 24 can rotate relative to mounting ring 6；Mounting ring 6 plays spacing effect to drive ring 22 simultaneously.
One end of above-mentioned mounting ring 6 is arranged on one end that retainer ring 30 is not installed with installation cylinder 24；The other end is installed On the periphery of regulation ring 27.
Rotation transmission can only be carried out between the periphery of above-mentioned regulation ring 27 and the inner headed face of mounting ring 6.
Above-mentioned six transmission support arc blocks in the presence of two regulation belts 7 on two chain regulating mechanisms 4 20 be always positioned at corresponding between retainer ring 30 and regulation ring 27.
The both ends of above-mentioned telescopic advance lever 10 can be stretched.Its effect is to prevent telescopic advance lever 10 in swing process In interfered with connecting rod 12.
In summary：
The bicycle that the present invention designs can control the speed of bicycle running by automatically adjusting；So that people It is lighter in use.
The both ends of support shaft 8 are separately installed with a slip trapezoid block 9 in the present invention；Two support shafts 8 pass through two respectively The individual cooperation for sliding two dovetail grooves 5 corresponding with two supporting plates 1 of trapezoid block 9 is arranged on two symmetrical supporting plates Between 1；About three equally distributed first are separately installed between four slip trapezoid blocks 9 and corresponding four dovetail grooves 5 Spring 14；Two belt pulleys 13 are separately mounted in two support shafts 8, and the one of branch being close in two supporting plates 1 Fagging 1；Two chain regulating mechanisms 4 are installed, and two chain regulating mechanisms 4 are respectively positioned at support between two supporting plates 1 The both ends of plate 1；The first trapezoidal annular groove 25 is provided with the side of drive ring 22；Drive ring 22 is arranged on installation cylinder 24 and not installed On the periphery for having the one end of retainer ring 30；Second spring 21 is installed between drive ring 22 and corresponding regulation ring 27；Mounting ring 6 In two supporting plates 1 in a supporting plate 1 of drive ring 22, and mounting ring 6 is located at outside corresponding drive ring 22 Side；It is connected in mounting ring 6 close to the inner side of the one end of supporting plate 1 with being not installed with one end of retainer ring 30 on installation cylinder 24, and Installation cylinder 24 can rotate relative to mounting ring 6；Mounting ring 6 plays spacing effect to drive ring 22 simultaneously.Mounting ring 6 with Drive ring 22 coordinates；First keystone ring 19 is arranged in the first trapezoidal annular groove 25；Steel is installed on the end face of first keystone ring 19 Silk 18；The other end of steel wire 18 is located at the outside of mounting ring 6 through threaded hole of steel 16；Each chain in two chain regulating mechanisms 4 It is separately installed between governor motion 4 and a belt pulley 13 mutually close with the chain regulating mechanism 4 in two belt pulleys 13 One regulation belt 7；One chain 3 is installed, and chain 3 is outside two regulation belts 7 between two chain regulating mechanisms 4 Side；Chain 3 coordinates with the trapezoidal drive block 15 on two regulation belts 7 respectively；Three spacing annulus 33 are separately mounted to three On the disc of the upper end of cylinder groove 29；Retainer ring 30 has bevelled one end and is provided with the one of rectangular cavity 50 on installation cylinder 24 End；Regulation ring 27 is arranged on installation cylinder 24, and the inclined-plane in regulation ring 27 coordinates with the inclined-plane in retainer ring 30；Three sides Institute's mounting structure is identical in shape chamber 50；For wherein any one；The both ends of rotary shaft 40 are separately mounted to rectangular cavity 50 In the both ends of the surface of inner side；First gear 41 and second gear 42 are separately mounted to the both ends of rotary shaft 40；Second rack 35 passes through Second guide plate 43 is arranged in installation cavity, and the second rack 35 engages with first gear 41；One end of adjusting rod 23 is arranged on The upside of the one end of the second rack 35；The other end of adjusting rod 23 passes adjustment hole 32 and is connected with the inner headed face of regulation ring 27；Three Institute's mounting structure is identical in cylinder groove 29；For wherein any one；First rack 48 is installed by the first guide plate 39 On the inside of installation cavity；First rack 48 engages with second gear 42；Position-arresting disk 47 is arranged on the first rack 48 close to cylinder groove 29 one end；One end of catch bar 37 is arranged on one end away from the first rack 48 on position-arresting disk 47；Promote former disk to be arranged on to push away The other end of lever 37；Catch bar 37, which is located in cylinder groove 29, to be surveyed；Former disk is promoted to be located at the outside of cylinder groove 29, and close to installation The periphery of cylinder 24；Spacing former disk is located at the lower end of cylinder groove 29, and the diameter of spacing former disk is more than the diameter of cylinder groove 29； Promote and three snap rings 45 are equably installed from top to bottom on the periphery of annulus post；Cylinder is promoted to be arranged on catch bar 37, And cylinder is promoted to be located in cylinder groove 29；Promote the upper end of cylinder that the 3rd spring 26 is installed；3rd spring 26 is with promoting former disk Coordinate；A limited block 38 is mounted in regulating tank 31 in cylinder groove 29；The both sides of limited block 38 are respectively provided with inclined-plane；And two It is less than the angle of inclination on another inclined-plane in individual inclined-plane close to the angle of inclination on the inclined-plane of installation cylinder 24 periphery side；Each The 4th spring 36 is mounted between limited block 38 and corresponding regulating tank 31；Two inclined-planes and snap ring on limited block 38 45 coordinate；The external diameter of snap ring 45 is more than the interior warp of spacing annulus 33 in cylinder groove 29；Three transmission support arc blocks 20 are circumferential uniformly Ground is between retainer ring 30 and regulation ring 27；One branch of mounting ring 6 is installed in two supporting plates 1 of the U-shaped installation of support 11 On fagging 1, and the U-shaped mouth of U-shaped support 11 is towards another supporting plate 1；The centre position of telescopic advance lever 10 by pin with The cooperation of pin-and-hole is arranged on the U-lag in U-shaped support 11；The both ends of telescopic advance lever 10 are separately installed with a connecting rod 12；Second keystone ring 49 is separately installed with two connecting rods 12, and two the second keystone rings 49 are separately mounted to two In two the second trapezoidal annular grooves 28 in chain regulating mechanism 4；On telescopic advance lever 10 installation is passed through close to one end of mounting ring 6 Escape groove 17 on ring 6 is located at the inner side of mounting ring 6；The half of the diameter of a diameter of second gear 42 of first gear 41；Adjust The inner side of belt 7 is saved positioned at the corresponding outside of three transmission support arc blocks 20；Chain 3 on two chain regulating mechanisms 4 with being located at The trapezoidal drive block 15 on regulation belt 7 on three transmission support arc blocks 20 coordinates.Two in the present invention on limited block 38 Inclined-plane coordinates with snap ring 45；Close to installation cylinder 24 inclined-plane can ensure snap ring 45 promote annulus post Action of Gravity Field under to Constraint when lower mobile under the effect of the 4th spring 36 without departing from limited block 38；And snap ring 45 promote annulus post drive under to The constraint that limited block 38 can successfully be pushed during upper movement open in the presence of the 4th spring 36 moves up.The present invention Middle drive ring 22 can rotate under the drive of installation cylinder 24；Drive ring 22 can be relative to installation cylinder 24 along peace simultaneously Fill the axis movement of cylinder 24.Regulation ring 27 can rotate under the drive of installation cylinder 24 in the present invention；Regulation ring 27 simultaneously It can be moved relative to axis of the installation cylinder 24 along installation cylinder 24.The periphery of regulation ring 27 and the inner circle of mounting ring 6 Rotation transmission can only be carried out between face.In the present invention in the presence of two regulation belts 7 on two chain regulating mechanisms 4 Six transmission support arc blocks 20 be always positioned at corresponding between retainer ring 30 and regulation ring 27.The two of above-mentioned telescopic advance lever 10 End can be stretched.When people are during traveling is ridden a bicycle；If when being travelled on straight road surface and wanting to accelerate； For the chain regulating mechanism 4 with steel wire 18；As shown in fig. 24 a, controlled by adjusting bicycle on transmission mechanism 51 Steel wire 18；Steel wire 18 is controlled to cause steel wire 18 to drive the first keystone ring 19 along the installation axis transverse shifting of cylinder 24；First ladder The movement of shape ring 19 drives drive ring 22 to move；The movement of drive ring 22 will extrude second spring 21；When second spring 21 is compressed to During the limit；As shown in Figure 24 b, second spring 21 will drive regulation ring 27 along the installation axis transverse shifting of cylinder 24；Regulation On the one hand extruding transmission support arc block 20 moves the transverse shifting of ring 27 to away from installation cylinder 24 axis direction；On the other hand adjust The movement of ring 27 can drive corresponding three adjusting rods 23 to be moved towards the corresponding direction of first gear 41；The movement of adjusting rod 23 drives Corresponding second rack 35 moves；Second rack 35 movement drive correspond to first gear 41 rotates；The rotational band of first gear 41 Rotary shaft 40 corresponding to dynamic rotates；Second gear 42 corresponding to the rotation drive of rotary shaft 40 rotates；Second gear 42, which rotates, to be caused First rack 48 moves to the periphery close to installation cylinder 24；As shown in figure 28 a, the movement of the first rack 48 drives corresponding limit Position disk 47 moves；Catch bar 37 corresponding to the movement drive of position-arresting disk 47 moves；The movement of catch bar 37 promotes former disk corresponding to driving It is mobile；Transmission support arc block 20 corresponding to former disk movement drive is promoted away from the installation axis direction of cylinder 24 movement；Such as figure Shown in 25a, the movement of transmission support arc block 20 will cause the periphery that three transmission support arc blocks 20 form to become big；And then cause The radius for being wrapped in regulation belt 7 on three transmission support arc blocks 20 becomes big；As shown in Figure 26 a, and then to be wrapped in three The radius of chain 3 becomes big on transmission support arc block 20；As depicted in fig. 28b, when the first position-arresting disk 47 in moving process of rack 48 During with promoting annulus post to contact；As shown in Figure 28 c, spacing annulus 33, which moves, can drive the beam for promoting annulus post to depart from limited block 38 Tie up and moved to close to one end of the installation periphery of cylinder 24；And then change can be continued and be wrapped on three transmission support arc blocks 20 The radius of chain 3；For in another chain regulating mechanism 4；When the regulation ring 27 in the chain regulating mechanism 4 with steel wire 18 When mobile；As shown in Figure 27 a, regulation ring 27 can drive corresponding second keystone ring 49 to move；Second keystone ring 49 drives corresponding Connecting rod 12 move；The movement of connecting rod 12 can cause telescopic advance lever 10 to swing；As shown in figure 27b, telescopic advance lever 10 is put It is dynamic to move in the opposite direction with the connecting rod 12 that not there is the chain regulating mechanism 4 of steel wire 18 to be connected；Connecting rod 12 is moved Second keystone ring 49 corresponding to dynamic drive moves；The movement of second keystone ring 49 drives the chain regulating mechanism 4 without steel wire 18 In regulation ring 27 move；Regulation ring 27, which moves, causes the spacing between regulation ring 27 and corresponding retainer ring 30 to increase；Then Transmission support arc block 20 between retainer ring 30 and regulation ring 27 will move to close to the direction of the installation axis of cylinder 24； As shown in figure 25b, the movement of transmission support arc block 20 will cause the periphery that three transmission support arc blocks 20 form to diminish；And then So that the radius for being wrapped in regulation belt 7 on three transmission support arc blocks 20 diminishes；As illustrated in figure 26b, and then to be wrapped in The radius of chain 3 diminishes on three transmission support arc blocks 20；And then can changes the gearratio of output and input on bicycle； So that the speed of bicycle running is accelerated；When running into upward slope during people travel in cycling；The resistance of bicycle is just It can become big；Now the pressure for the regulation belt 7 that chain 3 is given on the chain regulating mechanism 4 with steel wire 18 will become big；And then make The pressure must with three transmission support arc blocks 20 on the chain regulating mechanism 4 of steel wire 18 becomes big；Three transmission support arc blocks 20 will extrude corresponding regulation ring 27；So that regulation ring 27 moves away from the side of corresponding retainer ring 30；Three transmissions Supporting arc block 20 will move to close to the direction of the installation axis of cylinder 24；The movement of transmission support arc block 20 will cause three biographies The periphery of the dynamic composition of supporting arc block 20 diminishes；And then to be wrapped in and the half of belt 7 is adjusted on three transmission support arc blocks 20 Footpath diminishes；And then the radius for be wrapped in chain 3 on three transmission support arc blocks 20 diminishes；Three transmission support arc blocks simultaneously 20 move down can extrude promote disk 34；So that disk 34 is promoted to be moved to close to the direction of the installation axis of cylinder 24；Promote Former disk movement will extrude corresponding 3rd spring 26 so that the 3rd spring 26 compresses；When the 3rd spring 26 is forced into the limit； 3rd spring 26 promotes the constraint of the disengaging limited block 38 of cylinder ring 44 to move down corresponding to causing；Its effect is to ensure that three Individual transmission support arc block 20 can be moved smoothly to close to the direction of the installation axis of cylinder 24；The chain with steel wire 18 is adjusted Section mechanism 4 in governor motion 2 another chain regulating mechanism 4 by being wrapped in chain 3 on three transmission support arc blocks 20 Radius become big；And then change the gearratio exported on bicycle with input；So that people ride voluntarily traveling during more Add easily；Due to the smaller girth for not interfering with integrally-regulated belt 7 of perimeter change of regulation belt 7 in the present invention；So work as When the radius for the regulation belt 7 being wrapped on three transmission support arc blocks 20 becomes big；Regulation belt 7 will pull corresponding belt Wheel 13；So that belt pulley 13 is moved by corresponding slip trapezoid block 9 along corresponding dovetail groove 5；It ensure that regulation belt 7 Normal operation；It is wrapped in the radius of chain 3 on three transmission support arc blocks 20 in two chain regulating mechanisms 4 by adjusting simultaneously Change to ensure the whole perimeter of chain 3；Enable the normal operation of chain 3；In the present invention when being travelled on level road；When not having Three adjusting rods 23 corresponding to will being driven when having the regulation ring 27 in the chain regulating mechanism 4 of steel wire 18 to move are to away from corresponding The direction of first gear 41 movement；Second rack 35 corresponding to the movement drive of adjusting rod 23 moves；The movement of second rack 35 drives Deserved first gear 41 is rotated；Rotary shaft 40 corresponding to the rotation drive of first gear 41 rotates；Rotary shaft 40 rotates drive pair The second gear 42 answered rotates；Second gear 42, which rotates, causes the first rack 48 to be moved to the periphery away from installation cylinder 24； Position-arresting disk 47 corresponding to the movement drive of first rack 48 moves；Catch bar 37 corresponding to the movement drive of position-arresting disk 47 moves；Such as figure Shown in 29a, the movement of catch bar 37 drives the corresponding former disk movement of promotion；As shown in Figure 29 b, former disk movement is promoted to extrude pair The 3rd spring 26 answered causes the 3rd spring 26 to compress；When the 3rd spring 26 is forced into limiting value；As shown in Figure 29 c, the 3rd Spring 26 promotes the constraint of the disengaging limited block 38 of cylinder ring 44 to move down corresponding to causing；As shown in Figure 29 d, three are ensure that Individual transmission support arc block 20 will not be with promoting disk 34 to interfere in moving process；As shown in figure 28d, when promotion is justified in the present invention Disk 34 is when transmission support arc block 20 is moved to desired place corresponding to drive；Under gravity；Promote disk 34, promote Bar 37, position-arresting disk 47, the first rack 48 and promotion annulus post will move to close to one end of the installation axis of cylinder 24；And it is driven Supporting arc block 20 can also move to close to one end of the installation axis of cylinder 24 under gravity；As shown in Figure 28 e, finally cause Transmission support arc block 20 be stuck in corresponding between regulation ring 27 and retainer ring 30；It can be adjusted in the present invention by adjusting steel wire 18 The elastic force of second spring 21 between regulation ring 27 and corresponding drive ring 22；Control to adjust between ring 27 and retainer ring 30 to transmission The pressure of supporting arc block 20；Prevent transmission support arc block 20 too tight or too loose during bicycle running and influence bicycle Traveling.
Embodiment：When the bicycle that people are designed using the present invention；When people are in the mistake of cycling traveling Cheng Zhong；If when being travelled on straight road surface and wanting to accelerate；For the chain regulating mechanism 4 with steel wire 18；Pass through regulation Bicycle controls the steel wire 18 on transmission mechanism 51；Steel wire 18 is controlled to cause steel wire 18 to drive the first keystone ring 19 along installation The axis transverse shifting of cylinder 24；The movement of first keystone ring 19 drives drive ring 22 to move；The movement of drive ring 22 will extrude second Spring 21；When second spring 21 is compressed to the limit；Second spring 21 will drive regulation ring 27 along the installation axis of cylinder 24 Transverse shifting；On the one hand extruding transmission support arc block 20 moves the transverse shifting of regulation ring 27 to away from installation cylinder 24 axis direction It is dynamic；The movement of another aspect regulation ring 27 can drive corresponding three adjusting rods 23 to be moved towards the corresponding direction of first gear 41； Second rack 35 corresponding to the movement drive of adjusting rod 23 moves；Second rack 35 movement drive correspond to first gear 41 rotates； Rotary shaft 40 corresponding to the rotation drive of first gear 41 rotates；Second gear 42 corresponding to the rotation drive of rotary shaft 40 rotates；The Two gears 42, which rotate, causes the first rack 48 to be moved to the periphery close to installation cylinder 24；The movement of first rack 48 drives corresponding Position-arresting disk 47 move；Catch bar 37 corresponding to the movement drive of position-arresting disk 47 moves；The movement of catch bar 37 promotes corresponding to driving Former disk movement；Transmission support arc block 20 corresponding to former disk movement drive is promoted away from the installation axis direction of cylinder 24 movement； The movement of transmission support arc block 20 will cause the periphery that three transmission support arc blocks 20 form to become big；And then to be wrapped in three The radius that belt 7 is adjusted on individual transmission support arc block 20 becomes big；And then to be wrapped in chain 3 on three transmission support arc blocks 20 Radius become big；When position-arresting disk 47 is with promoting annulus post to contact in moving process for the first rack 48；Spacing annulus 33 moves The constraint for promoting annulus post to depart from limited block 38 can be driven to be moved to close to one end of the installation periphery of cylinder 24；And then can be after It is continuous to change the radius for being wrapped in chain 3 on three transmission support arc blocks 20；For in another chain regulating mechanism 4；When with When regulation ring 27 in the chain regulating mechanism 4 of steel wire 18 moves；Regulation ring 27 can drive corresponding second keystone ring 49 to move； Second keystone ring 49 drives corresponding connecting rod 12 to move；The movement of connecting rod 12 can cause telescopic advance lever 10 to swing；It is flexible to adjust Pole 10, which is swung, to move in the opposite direction with the connecting rod 12 that not there is the chain regulating mechanism 4 of steel wire 18 to be connected；Even Second keystone ring 49 corresponding to the movement drive of extension bar 12 moves；The movement of second keystone ring 49 drives the chain without steel wire 18 to adjust Regulation ring 27 in section mechanism 4 moves；Regulation ring 27, which moves, causes the spacing between regulation ring 27 and corresponding retainer ring 30 to add Greatly；Then the transmission support arc block 20 between retainer ring 30 and regulation ring 27 will be to close to the side of the installation axis of cylinder 24 To movement；The movement of transmission support arc block 20 will cause the periphery that three transmission support arc blocks 20 form to diminish；And then cause The radius for being wrapped in regulation belt 7 on three transmission support arc blocks 20 diminishes；And then to be wrapped in three transmission support arc blocks The radius of chain 3 diminishes on 20；And then can changes the gearratio of output and input on bicycle；So that bicycle running Speed is accelerated.

Claims (9)

1. a kind of bicycle based on variable chain, it is made up of bicycle body, pedal, transmission mechanism；Pedal and transmission Mechanism connects；It is characterized in that：Transmission mechanism it include supporting plate, governor motion, chain, chain regulating mechanism, dovetail groove, peace Fill ring, regulation belt, support shaft, slip trapezoid block, belt pulley, the first spring, trapezoidal drive block, threaded hole of steel, escape groove, steel Silk, the first keystone ring, second spring, drive ring, the first trapezoidal annular groove, are wherein symmetrically provided with two ladders on the side of supporting plate Shape groove, and two dovetail grooves are located at the centre of supporting plate；The both ends of support shaft are separately installed with a slip trapezoid block；Two branch Support axle and be arranged on two mutually by two cooperations for sliding trapezoid block two dovetail grooves corresponding with two supporting plates respectively Between symmetrical supporting plate；About three are separately installed between four slip trapezoid blocks and corresponding four dovetail grooves uniformly to divide First spring of cloth；Two belt pulleys are separately mounted in two support shafts, and one of them being close in two supporting plates Supporting plate；Two chain regulating mechanisms are installed, and two chain regulating mechanisms are located at supporting plate respectively between two supporting plates Both ends；The first trapezoidal annular groove is provided with the side of drive ring；Drive ring is arranged on one of them in two chain regulating mechanisms One end of chain regulating mechanism；It is provided between one end of the first trapezoidal annular groove and corresponding chain regulating mechanism and installs on drive ring There is second spring；Threaded hole of steel is provided with the ring wall surface of mounting ring；Escape groove is provided with the periphery of mounting ring；The one of escape groove End passes the end face of mounting ring side；Mounting ring is arranged in two supporting plates in a supporting plate of drive ring, and is pacified Dress ring, which is located at, to be provided with the outside of the chain regulating mechanism of drive ring；Mounting ring coordinates with drive ring；First keystone ring is arranged on the In one trapezoidal annular groove；Steel wire is installed on the end face of first keystone ring；The other end of steel wire is located at mounting ring through threaded hole of steel Outside；Adjust and many trapezoidal drive blocks are equably installed on the lateral surface of belt；Each chain in two chain regulating mechanisms A tune is separately installed between governor motion and a belt pulley mutually close with the chain regulating mechanism in two belt pulleys Save belt；One chain is installed, and chain is on the outside of two regulation belts between two chain regulating mechanisms；Chain is distinguished Coordinate with the trapezoidal drive block on two regulation belts；Governor motion is arranged between two supporting plates, and close to being provided with Fill the supporting plate of ring；Governor motion coordinates with two chain regulating mechanisms respectively；
Above-mentioned chain regulating mechanism includes transmission support arc block, adjusting rod, installation cylinder, the 3rd spring, regulation ring, second trapezoidal Annular groove, cylinder groove, retainer ring, regulating tank, adjustment hole, rectangular cavity, spacing annulus, promote disk, the second rack, the 4th spring, Catch bar, limited block, the first guide plate, rotary shaft, first gear, second gear, the second guide plate, promote cylinder ring, snap ring, Cylindrical hole, position-arresting disk, the first rack, wherein the inner circumferential of installation cylinder is equably provided with three rectangular cavities；Three rectangular cavities The upper side close to installation cylinder periphery is provided with an adjustment hole；Close to the one of installation cylinder periphery on three rectangular cavities Side is provided with a cylinder groove；Adjustment hole and cylinder groove on same rectangular cavity is respectively on rectangular cavity close to installation circle The both ends of post periphery side；It is circumferential on the disc of three cylinder grooves to be equably provided with four groups of regulating tanks；In four groups of regulating tanks Regulating tank in every group of regulating tank is uniformly distributed up and down on the disc of cylinder groove；Three spacing annulus are separately mounted to three On the disc of cylinder groove upper end；One end of retainer ring has inclined-plane；Retainer ring has bevelled one end and is arranged on installation cylinder It is provided with one end of rectangular cavity；The side of regulation ring has inclined-plane；The second trapezoidal annular groove is provided with the end face of regulation ring opposite side；Adjust Save ring to be arranged on installation cylinder, and the inclined-plane on the inclined-plane and retainer ring in regulation ring coordinates；Installed in three rectangular cavities Structure is identical；For wherein any one；The both ends of rotary shaft are separately mounted in the both ends of the surface on the inside of rectangular cavity；First Gear and second gear are separately mounted to the both ends of rotary shaft；Second rack is arranged in installation cavity by the second guide plate, and Second rack engages with first gear；One end of adjusting rod is arranged on the upside of second rack one end；The other end of adjusting rod is worn The inner headed face for going out adjustment hole and regulation ring connects；Institute's mounting structure is identical in three cylinder grooves；For wherein any one； First rack is arranged on the inside of installation cavity by the first guide plate；First rack engages with second gear；Position-arresting disk is arranged on the Close to one end of cylinder groove on one rack；One end of catch bar is arranged on one end away from the first rack on position-arresting disk；Promote former Disk is arranged on the other end of catch bar；Catch bar, which is located in cylinder groove, to be surveyed；Former disk is promoted to be located at the outside of cylinder groove, and close to peace Fill the periphery of cylinder；Spacing former disk is located at the lower end of cylinder groove, and the diameter of spacing former disk is more than the diameter of cylinder groove；Promote Three snap rings are equably installed from top to bottom on the periphery of annulus post；Promote cylinder to be arranged on catch bar, and promote circle Post is located in cylinder groove；Promote the upper end of cylinder that the 3rd spring is installed；3rd spring is with promoting former disk to coordinate；In cylinder groove A limited block is mounted in regulating tank；The both sides of limited block are respectively provided with inclined-plane；And in two inclined-planes outside installation cylinder The angle of inclination on the inclined-plane of disc side is less than the angle of inclination on another inclined-plane；Each between limited block and corresponding regulating tank It is mounted on the 4th spring；Two inclined-planes on limited block coordinate with snap ring；The external diameter of snap ring is more than spacing in cylinder groove The interior warp of annulus；Three transmission support arc blocks are circumferentially positioned evenly between retainer ring and regulation ring；
Above-mentioned governor motion includes telescopic advance lever, U-shaped support, connecting rod, the second keystone ring, wherein U-shaped support installation two It is provided with supporting plate in a supporting plate of mounting ring, and the U-shaped mouth of U-shaped support is towards another supporting plate；Telescopic adjustment The centre position of bar is arranged on the U-lag in U-shaped support by the cooperation of pin and pin-and-hole；The both ends difference of telescopic advance lever One connecting rod is provided with by the cooperation of pin and pin-and-hole；Second keystone ring is separately installed with two connecting rods, and Two the second keystone rings are separately mounted in two the second trapezoidal annular grooves in two chain regulating mechanisms；Leaned on telescopic advance lever One end of nearly mounting ring is located on the inside of mounting ring through the escape groove in mounting ring；
The half of a diameter of second gear diameter of above-mentioned first gear；
Above-mentioned drive ring is arranged on installation cylinder and is not installed with the periphery of retainer ring one end；Installed in drive ring with it is corresponding Second spring between chain regulating mechanism, its one end are arranged on drive ring, and the other end is arranged in regulation ring and is provided with second On the end face of trapezoidal annular groove side；
The inner side of above-mentioned regulation belt is on the outside of corresponding three transmission support arc blocks；On chain and two chain regulating mechanisms The trapezoidal drive block on regulation belt on three transmission support arc blocks coordinates；
The both ends of above-mentioned pedal are connected with the retainer ring on the chain regulating mechanism with steel wire and installation cylinder respectively.
A kind of 2. bicycle based on variable chain according to claim 1, it is characterised in that：Two on above-mentioned limited block Individual inclined-plane coordinates with snap ring；Close to the inclined-plane of installation cylinder snap ring can be ensured in the case where promoting the Action of Gravity Field of annulus post to moving down Without departing from the constraint of limited block under the 4th spring effect when dynamic；And the mistake that snap ring moves up in the case where promoting annulus post to drive The constraint that limited block can successfully be pushed in journey open in the presence of the 4th spring moves up.
A kind of 3. bicycle based on variable chain according to claim 1, it is characterised in that：Above-mentioned drive ring can be Install and rotated under the drive of cylinder；Drive ring can move relative to axis of the installation cylinder along installation cylinder simultaneously.
A kind of 4. bicycle based on variable chain according to claim 1, it is characterised in that：Above-mentioned regulation ring can be Install and rotated under the drive of cylinder；Regulation ring can move relative to axis of the installation cylinder along installation cylinder simultaneously.
A kind of 5. bicycle based on variable chain according to claim 1, it is characterised in that：It is close in above-mentioned mounting ring The inner side of supporting plate one end is connected with being not installed with one end of retainer ring on installation cylinder, and installation cylinder can be relative to installation Ring rotates；Mounting ring plays spacing effect to drive ring simultaneously.
A kind of 6. bicycle based on variable chain according to claim 1, it is characterised in that：One end of above-mentioned mounting ring One end of retainer ring is not installed with installation cylinder；The other end is arranged on the periphery of regulation ring.
A kind of 7. bicycle based on variable chain according to claim 1, it is characterised in that：Above-mentioned regulation ring it is cylindrical Rotation transmission can only be carried out between face and the inner headed face of mounting ring.
A kind of 8. bicycle based on variable chain according to claim 1, it is characterised in that：It is above-mentioned to adjust skin at two Six transmission support arc blocks in the presence of band on two chain regulating mechanisms are always positioned at corresponding retainer ring and regulation Between ring.
A kind of 9. bicycle based on variable chain according to claim 1, it is characterised in that：Above-mentioned telescopic advance lever Both ends can be stretched.
CN201710791929.4A 2017-09-05 2017-09-05 A kind of bicycle based on variable chain Active CN107512360B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113815766A (en) * 2021-09-30 2021-12-21 五邑大学 Bicycle with a wheel

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318278A1 (en) * 1983-05-17 1984-11-22 Frank 1000 Berlin Poddig Controllable chain drive
US4740190A (en) * 1987-01-29 1988-04-26 University Of Florida Variable ratio bicycle chain drive
CN2466032Y (en) * 2001-01-16 2001-12-19 冯培东 Energy-storage speed changer for bicycle
CN102062196A (en) * 2009-06-02 2011-05-18 杨鲁川 Equivalent diameter adjustable chain wheel device, stepless speed change device and power system
US20110230286A1 (en) * 2010-03-17 2011-09-22 Eli Cohen Variable Drive Transmission
CN103791050A (en) * 2013-12-06 2014-05-14 莫韬 Chained infinitely variable speed transmission gear
JP2014238157A (en) * 2013-06-10 2014-12-18 ジヤトコ株式会社 Continuously variable transmission mechanism

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3318278A1 (en) * 1983-05-17 1984-11-22 Frank 1000 Berlin Poddig Controllable chain drive
US4740190A (en) * 1987-01-29 1988-04-26 University Of Florida Variable ratio bicycle chain drive
CN2466032Y (en) * 2001-01-16 2001-12-19 冯培东 Energy-storage speed changer for bicycle
CN102062196A (en) * 2009-06-02 2011-05-18 杨鲁川 Equivalent diameter adjustable chain wheel device, stepless speed change device and power system
US20110230286A1 (en) * 2010-03-17 2011-09-22 Eli Cohen Variable Drive Transmission
JP2014238157A (en) * 2013-06-10 2014-12-18 ジヤトコ株式会社 Continuously variable transmission mechanism
CN103791050A (en) * 2013-12-06 2014-05-14 莫韬 Chained infinitely variable speed transmission gear

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113815766A (en) * 2021-09-30 2021-12-21 五邑大学 Bicycle with a wheel
CN113815766B (en) * 2021-09-30 2022-08-23 五邑大学 Bicycle with a wheel

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