CN106995035A - A kind of bicycle selector - Google Patents
A kind of bicycle selector Download PDFInfo
- Publication number
- CN106995035A CN106995035A CN201710250232.6A CN201710250232A CN106995035A CN 106995035 A CN106995035 A CN 106995035A CN 201710250232 A CN201710250232 A CN 201710250232A CN 106995035 A CN106995035 A CN 106995035A
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- China
- Prior art keywords
- ratchet
- fixed disk
- lever
- grade
- bearing pin
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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
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
- B62M25/02—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers
- B62M25/04—Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers hand actuated
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The present invention provides a kind of bicycle selector, wherein, including pedestal, spacing slide bar, wire spool, ratchet component, first fixed disk, pawl component, move back grade plectrum and auxiliary driving lever, spacing slide bar has the first limiting section, ratchet component has the first ratchet and the second ratchet, it is raised that first fixed disk is provided with first, the first bearing pin being rotatably coupled with pawl component is provided with first projection, pawl component has the first linkage portion and is provided with the ratchet portion of locking ratchet and detent, first ratchet is engaged with locking ratchet or detent, move back the second linkage portion that grade plectrum is abutted with the second limiting section and with the first linkage portion, auxiliary driving lever on be provided with the first limiting section be connected pin and with the second limiting section abut enter a grade ratchet, entering grade ratchet can rotate and be fastened on the second ratchet around the second bearing pin.The bicycle selector has the advantages that compact conformation, functional reliability are good, gearshift stability is good and can prevent from occurring in shift process out of supply.
Description
Technical field
It is to be related to a kind of bicycle selector specifically the present invention relates to bicycle shift technical field.
Background technology
At present, bicycle on the market largely has been equipped with speed change system, wherein, mountain bike and highway car are even more to become
Speed system is used as an indispensable part.The effect of bicycle shift system is arranged on handlebar hand position by regulation
Bicycle selector changes speed speed to change the cooperation of forward and backward different size of toothed disc.Specifically, to bicycle
When carrying out speed change, by stirring entering lever or moving back lever for bicycle selector so that bicycle selector is opened to shift cable
Drawing situation is adjusted, and then the position of front chain mover, rear chiain-moving device is adjusted, and realizes chain and preceding fluted disc, rear tooth disk
On different gears be engaged, and then realize to bicycle carry out speed governing.
However, the gear shifting structure of current bicycle selector is generally more complicated, and Regular Bicycle selector is equal
Including entering a grade ratchet, locking ratchet and detent, when bicycle move back shelves operation, locking ratchet is set to release to bicycle
The locking of ratchet in selector, now, ratchet is retracted in the presence of back-moving spring, also, in the same of ratchet rollback
When, detent is rotated, until detent is fastened on ratchet, prevents ratchet from continuing to retract.It is fastened in detent
After on ratchet, locking ratchet carries out reset operation, and now, locking ratchet, which is rotated and is fastened on ratchet, re-starts lock to ratchet
It is fixed, prevent ratchet from continuing to retract.In locking ratchet again to ratchet lock when, detent is resetted, now, detent
Rotate and release the locking to ratchet.When detent and locking ratchet return to initial position, complete to carry out bicycle
Move back shelves to operate, rotated together with the bobbin winoler and ratchet being now fixedly connected with ratchet according to preset strokes, and then make coiling
Device discharges to shift cable, while the position of front chain mover or rear chiain-moving device is adjusted shift cable, realizes bicycle
Move back shelves.
But, locking ratchet and the detent of existing bicycle selector are mutually to be provided independently from so that moving back shelves
When detent and locking ratchet between harmony be difficult to control to, and this tends to cause bicycle selector being moved back
During shelves operation, detent can not be in time fastened on ratchet and ratchet is locked, or locking ratchet can not be fastened in time
Ratchet is locked on ratchet, and then causes bicycle selector when move back shelves operation, situation out of supply occur, cause
There is trip stop in front chain mover or rear chiain-moving device, and the normal of influence bicycle selector is used, to bicycle selector and speed changer
Cause damage, the service life of influence bicycle selector and speed changer, and there is potential safety hazard, poor reliability.
In addition, existing bicycle selector largely needs additionally to set a lever to carry out bicycle selector
Enter shelves operation or move back shelves operation, both added the complexity of bicycle selector, the forward and back shelves of bicycle selector are caused again
Troublesome poeration, and add processing cost.
The content of the invention
In order to solve the above problems, the main object of the present invention be to provide a kind of compact conformation, functional reliability it is good, gearshift
Stability is good and can prevent occurring bicycle selector out of supply in shift process.
In order to realize the main object of the present invention, the present invention provides a kind of bicycle selector, wherein, including pedestal, limit
Position slide bar, wire spool, ratchet component, the first fixed disk, pawl component, move back grade plectrum and auxiliary driving lever, spacing slide bar is slidably
Ground is connected on pedestal, and spacing slide bar has the first limiting section, and wire spool is rotatably coupled with the connecting shaft in pedestal, coiling
It is provided with positioning key on disk, ratchet component has the first ratchet and the second ratchet, and is provided with locating slot in the middle part of ratchet component,
Locating slot and positioning key are connected, and the first fixed disk is fixedly connected with pedestal, and the first fixed disk is along the axially extending of connecting shaft
Ground is provided with the first projection, the first projection and is provided with the first bearing pin, and the axis of the first bearing pin is perpendicular to the axis of connecting shaft, spine
Claw component is rotatably coupled with the first bearing pin, and pawl component has ratchet portion and the first linkage portion being connected with ratchet portion, spine
Claw is provided with locking ratchet and detent, and the first ratchet is engaged with locking ratchet or detent, moves back grade plectrum with being connected
Axle is rotatably coupled, and moves back grade plectrum with the second linkage portion and the second limiting section, the first linkage portion is abutted with the second linkage portion,
The first end of auxiliary driving lever is rotatably coupled with connecting shaft, is provided with pin on auxiliary driving lever and is entered a grade ratchet, and pin is along axle
To being slidably attached on auxiliary driving lever, the mating connection of pin and the first limiting section, enter grade ratchet by the second bearing pin with it is auxiliary
Helping driving lever to be rotatably coupled, entering grade ratchet and the second limiting section is abutted, and enter grade ratchet can rotate around the axis of the second bearing pin
And be fastened on the second ratchet.
Therefore, when bicycle selector move back shelves operation, auxiliary driving lever is stirred, pin is in the first limiting section
In the presence of move to moving back grade plectrum, and be fastened on the second limiting section for moving back grade plectrum so that move back grade plectrum as auxiliary is dialled
Stirring for bar and rotate, and the second linkage portion for moving back grade plectrum is driven the first linkage portion of pawl component, make ratchet
Component is rotated so that detent moves closer to ratchet component simultaneously for locking of the locking ratchet releasing to ratchet component, when
When locking ratchet departs from first ratchet engaged with locking ratchet, ratchet component carries out rollback reset, now, detent
Turn to ratchet component and locked with another first ratchet on ratchet component, realize the positioning to ratchet component.When
When unclamping auxiliary driving lever, pawl component, pin are resetted, now, and detent unclamps the engagement to the second ratchet, meanwhile,
Locking pawl is locked to another the first ratchet of ratchet component, and complete bicycle selector move back shelves operation.Certainly
Drive a vehicle into during traveling shelves operation, stir auxiliary driving lever and spacing slide bar is entered line slip, pin is departed from the first limiting section so that
Enter grade ratchet to gradually rotate and be fastened on the second ratchet of ratchet component with the switch of auxiliary driving lever, and drive ratchet structure
Part is rotated, now, and first ratchet of ratchet component crosses locking ratchet, and the first ratchet is fastened on first ratchet
On ratchet is locked, when unclamping auxiliary driving lever and when being resetted spacing slide bar, enter grade ratchet and aiding in driving lever and the
Resetted in the presence of two limiting sections, and ratchet component keeps current location, complete bicycle selector enters shelves operation.Can
See, setting and structure design by the bicycle selector to the present invention so that have between detent and locking ratchet
Good harmony, prevents bicycle selector from, when move back shelves operation, situation out of supply occur, it is to avoid front chain mover or after
There is trip stop in derailleur, has the advantages that compact conformation, functional reliability are good and gearshift stability is good, and can improve bicycle
The service life of selector and speed changer.
One preferred scheme is that the gap between locking ratchet and detent can accommodate two the first ratchets.
Therefore, turn by being configured to the spacing between locking ratchet and detent, and then to ratchet component
Dynamic stroke is controlled, and the gap between locking ratchet and detent is accommodated two ratchets, enables to ratchet
Component can only rotate a ratchet every time, prevent that amplitude that ratchet component is rotated is excessive and causes front chain mover or rear chiain-moving device
Mobile range is excessive, it is to avoid influence gearshift precision.
Further scheme is that the vertical range between the bottom surface of the tooth top of locking ratchet and the first linkage portion is more than positioning
Vertical range between the bottom surface of the tooth top of ratchet and the first linkage portion.
Therefore, by being configured to locking ratchet, the shape and structure of detent and relative position, and then ensure
The harmony moved between locking ratchet and detent, it is to avoid when carrying out gear shift, situation out of supply occurs in bicycle selector,
Improve the stability during gearshift of bicycle selector.
Another preferred scheme is that the first linkage portion is provided with the first wedge surface, and the second linkage portion is provided with cambered surface, first
Wedge surface and cambered surface adjoining.
Therefore, the first linkage portion is abutted by wedge surface and the cambered surface of the second linkage portion, to the first linkage portion
Guide effect is played in rotation, and can reduce resistance when bicycle selector is shifted gears.
Another preferred scheme is that pedestal includes supporting member, and supporting member passes through the 3rd bearing pin and the body of pedestal
It is rotatably coupled, chute is provided with supporting member, spacing slide bar is slidably mounted in chute.
Further scheme is that bicycle selector also includes the first lever and the second lever, and the first lever passes through the 4th
Bearing pin is rotatably coupled with supporting member, and the second end and the first lever for aiding in driving lever are abutted, and the second lever passes through the 4th pin
Axle is rotatably coupled with supporting member, is provided with the second lever on wedge-shaped protrusion, spacing slide bar and is provided with the second wedge surface, wedge
Shape is raised to be abutted with the second wedge surface.
Therefore, it can realize and gear shift operation is carried out to bicycle selector by stirring the first lever and the second lever,
In addition, the first lever and the second lever are arranged on supporting member so that when pulling the first lever, the second lever, make branch
Support component is rotated around the 3rd bearing pin, and then is realized and carried out brake operation to bicycle, without extra setting one enter lever or
Move back lever and carry out auxiliary bike selector progress gear shift operation so that structure is simpler.
Another preferred scheme is that ratchet component includes the first ratchet and the second ratchet, and the first ratchet is arranged on first
In the circumference of ratchet, the second ratchet is arranged in the circumference of the second ratchet, and the middle part of the first ratchet, the middle part of the second ratchet are equal
It is provided with locating slot.
Therefore, because ratchet component has the first ratchet and the second ratchet, ratchet component is set relatively independent
First ratchet and the second ratchet, and the first ratchet is arranged on the first ratchet, the second ratchet is arranged on the second ratchet, make
Obtain ratchet component and be easy to processing, and reduce the maintenance cost of bicycle selector.
Further scheme is that pedestal has the first accommodating chamber, and bicycle selector also includes the second fixed disk, and second consolidates
Price fixing is arranged in the first accommodating chamber, and connecting shaft is fixedly connected with the second fixed disk, and the second fixed disk is axially disposed the
Five bearing pins, the 5th bearing pin is fixedly connected through the first fixed disk and with the first fixed disk.
Therefore, set the second fixed disk so that wire spool, ratchet component and move back the components such as grade plectrum can be direct
It is arranged on the second fixed disk, and passes through dismountable connected mode of the second fixed disk and pedestal so that bicycle is shifted gears
The assembling of device more facilitates.
Further scheme is that the second fixed disk is provided with the second raised, coiling axially towards the side of wire spool
Being circumferentially provided with for disk is the 3rd raised, and the 3rd projection of wire spool can turn to the second high spot around the axis of connecting shaft.
Therefore, the second projection is set on the second fixed disk so that the second projection can be to the 3rd on wire spool
Projection progress is spacing, and then the initial position of wire spool is limited, and prevents wire spool from crossing initial position in reset, keeps away
Exempt from that bicycle selector is caused to damage.
Further scheme is that bicycle selector also includes the first spring, second spring and the 3rd spring, the first bullet
The two ends of spring respectively with the 5th bearing pin, move back a grade plectrum and be connected, wire spool has the second accommodating chamber, and second spring is arranged on accommodating chamber
It is interior, and the two ends of second spring are connected with the second fixed disk, wire spool respectively, set fluted on pawl component, the 3rd spring
Two ends be connected respectively with pedestal, groove.
Therefore, the first spring is set so that moving back grade plectrum can be resetted under the active force of the first spring, if
Put second spring so that wire spool can be resetted under the active force of second spring, and ratchet structure is driven by wire spool
Part, makes ratchet component be retracted, and shelves operation is moved back in completion, sets the 3rd spring so that pawl component can be in the 3rd spring
Resetted under active force.
Brief description of the drawings
Fig. 1 is the structure chart of bicycle selector embodiment of the present invention.
Fig. 2 is the exploded view of bicycle selector embodiment of the present invention.
Fig. 3 is the structure chart after the clipped component of bicycle selector embodiment of the present invention.
Fig. 4 is the sectional view of bicycle selector embodiment of the present invention.
Fig. 5 is the structure chart omitted after pedestal of bicycle selector embodiment of the present invention.
Fig. 6 is the structure chart of the wire spool of bicycle selector embodiment of the present invention.
Fig. 7 is the structure chart of the pawl component of bicycle selector embodiment of the present invention.
Fig. 8 is the structure chart for moving back grade plectrum of bicycle selector embodiment of the present invention.
Fig. 9 is that bicycle selector embodiment of the present invention enters a grade view.
Figure 10 is to enter a grade view under another visual angle of bicycle selector embodiment of the present invention.
Figure 11 is that the spacing slide bar for entering grade state of bicycle selector embodiment of the present invention and the relative position of pin are shown
It is intended to.
Figure 12 is that the spacing slide bar for moving back grade state of bicycle selector embodiment of the present invention and the relative position of pin are shown
It is intended to.
Figure 13 is that bicycle selector embodiment of the present invention moves back a grade view.
Figure 14 is to move back a grade view under another visual angle of bicycle selector embodiment of the present invention.
Figure 15 is first phase of the ratchet component for moving back grade state with pawl component of bicycle selector embodiment of the present invention
To position view.
Figure 16 is second phase of the ratchet component for moving back grade state with pawl component of bicycle selector embodiment of the present invention
To position view.
Figure 17 is the ratchet component for moving back grade state of bicycle selector embodiment of the present invention and the third phase of pawl component
To position view.
Figure 18 is fourth phase of the ratchet component for moving back grade state with pawl component of bicycle selector embodiment of the present invention
To position view.
Figure 19 is fiveth phase of the ratchet component for moving back grade state with pawl component of bicycle selector embodiment of the present invention
To position view.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Referring to Figures 1 and 2, bicycle selector 10 includes pedestal 1, spacing slide bar 13, wire spool 2, ratchet component 3, the
One fixed disk 4, the second fixed disk 40, pawl component 5, move back grade plectrum 6, auxiliary driving lever 7, the first lever 8, the second lever 80, the
One spring 63, the spring 531 of second spring 24 and the 3rd.
Pedestal 1 has the first accommodating chamber 11, and the second fixed disk 40 is removably mounted on the first accommodating chamber 11 by screw
It is interior, connecting shaft 110 is provided with pedestal 1, and connecting shaft 110 is located in the first accommodating chamber 11, also, connecting shaft 110 and second
Fixed disk 40 is fixedly connected.Second fixed disk 40 has the 5th bearing pin 401 along the axially arranged of connecting shaft 110,
Reference picture 3 combines Fig. 2 to Fig. 5, and pedestal 1 includes supporting member 12, and supporting member 12 passes through the 3rd bearing pin 121 and base
The body of seat 1 is rotatably coupled, also, back-moving spring 14 is provided between the body of supporting member 12 and pedestal 1.Support structure
The middle part of part 12 is provided with chute 122, and the side of supporting member 12 is provided with through hole 124, wherein, it is provided with chute 122
Projection 123, through hole 124 is used to be attached with the brake cable of bicycle.Spacing slide bar 13 is slidably attached on pedestal 1,
Specifically, spacing slide bar 13 is slidably mounted in chute 122, and is provided with spring between spacing slide bar 13 and projection 123
133, the two ends of spring 133 are abutted with spacing slide bar 13 and projection 123 respectively.
First lever 8 is rotatably coupled by the 4th bearing pin 81 and supporting member 12, and the first lever 8 and supporting member
Back-moving spring 82 is provided between 12, back-moving spring 82 is used to reset the first lever 8.Second lever 80 passes through the 4th pin
Axle 81 is rotatably coupled with supporting member 12, and is provided with back-moving spring 802 between the second lever 80 and supporting member 12, multiple
Position spring 802 is used to reset the second lever 80.
Spacing slide bar 13 has the first limiting section 131, and spacing slide bar 13 is set in one end away from the first limiting section 131
It is equipped with the second wedge surface 132, the second lever 81 and is being provided with wedge-shaped protrusion 802, wedge-shaped protrusion 802 at the second wedge surface 132
Abutted with the second wedge surface 132.
Reference picture 6 and Fig. 8, and Fig. 2 and Fig. 5 is combined, wire spool 2 is rotatably coupled with connecting shaft 110, and wire spool 2
Positioned at the top of the second fixed disk 40.It is provided with positioning key 21, and the circumference of wire spool 2 that to be provided with the 3rd convex on wire spool 2
Rise and through hole 221 is provided with 22, the 3rd projection 22, through hole 221 is used to be attached with the shift cable of bicycle.In addition, around
The middle part of drum 2 has an accommodating chamber 23, and accommodating chamber 23 is used to installing second spring 24, and the two ends of second spring 24 are respectively with second
Fixed disk 40, wire spool 2 are connected, and second spring 24 is used to carry out reset response to wire spool 2.In addition, on the second fixed disk 40
The second projection 402 is additionally provided with, the second projection 402 is set with extending along the wire spool 2 that is axially facing of connecting shaft 110, and coiling
3rd projection 22 of disk 2 can turn to the second projection 402 of the second fixed disk 40 around the axis of connecting shaft 110.By second
Second projection 402 is set on fixed disk 40 so that the second projection 402 can be spacing to the progress of the projection of the 3rd on wire spool 2 22,
And then the initial position of wire spool 2 is limited, prevent wire spool 2 from crossing initial position in reset, it is to avoid to bicycle
Selector causes to damage.
Ratchet component 3 has the first ratchet 311 and the second ratchet 321, and the middle part of ratchet component 3 is provided with locating slot,
Ratchet component 3 is connected by the positioning key 21 of locating slot and wire spool 2.Specifically, ratchet component 3 includes the first ratchet 31
With the second ratchet 32, the first ratchet 311 is arranged in the circumference of the first ratchet 31, and the second ratchet 321 is arranged on the second ratchet 32
Circumference on, and the middle part of the first ratchet 31 is provided with locating slot 312, and the middle part of the second ratchet 32 is provided with locating slot 322.The
One ratchet 31 is connected by the positioning key 21 of locating slot 312 and wire spool 2, the second ratchet 32 by locating slot 322 with around
The positioning key 21 of drum 2 is connected, and the second ratchet 32 is arranged between the ratchet 31 of wire spool 2 and first.
Pawl component 5 has ratchet portion 51 and the first linkage portion 52 being connected with ratchet portion 51, and ratchet portion 51 has locking
Ratchet 511 and detent 512, the first linkage portion 52 are provided with the first wedge surface 521.Wherein, locking ratchet 511 and detent
Gap between 512 can accommodate two the first ratchets 311, also, the bottom surface of the tooth top of locking ratchet 511 and the first linkage portion 52
Vertical range between 522 is more than the vertical range between the tooth top of detent 512 and the bottom surface 522 of the first linkage portion 52.
In addition, being additionally provided with groove 53 on pawl component 5.
It can be seen that, by being configured to the spacing between locking ratchet and detent, and then ratchet component is rotated
Stroke is controlled, and the gap between locking ratchet and detent is accommodated two ratchets, enables to ratchet component
A ratchet can only be rotated every time, prevent that the amplitude of ratchet component rotation is excessive and causes the movement of front chain mover or rear chiain-moving device
Amplitude is excessive, it is to avoid influence gearshift precision.And by being set to locking ratchet, the shape and structure of detent and relative position
Put, and then the harmony moved between guarantee locking ratchet and detent, it is to avoid when carrying out gear shift, bicycle selector goes out
Existing situation out of supply, improves the stability during gearshift of bicycle selector.
First through hole and the second through hole are provided with first fixed disk 4, the first fixed disk 4 passes through first through hole and connecting shaft
110 are fixedly connected with pedestal 1, also, the 5th bearing pin 401 on the second fixed disk 40 passes through the second through hole of the first fixed disk 4
It is fixedly connected with the first fixed disk 4, and the first fixed disk 4 is positioned, prevents the relative connecting shaft 110 of the first fixed disk 4 from sending out
It is raw to relatively rotate.First fixed disk 4 along connecting shaft 110 it is axially arranged have is provided with the first projection 41, the first projection 41
One bearing pin 42, also, the first bearing pin 42 axis perpendicular to connecting shaft 110 axis.Pawl component 5 and first axle are rotatable
Ground is connected, also, the two ends of the 3rd spring 531 are connected with the groove 53 on pedestal 1 and pawl component 5 respectively, the 3rd spring 531
For being resetted to pawl component 5.In addition, being additionally provided with limited block 43 and limited block 44 on the first fixed disk 4, first is raised
41st, the circumference of limited block 43 and limited block 44 along the first fixed disk 4 is sequentially distributed, wherein, projection 43 is used to enter auxiliary driving lever 7
Row is spacing, prevents auxiliary driving lever 7 from crossing initial position when resetting, and projection 44 is used to carry out spacing, anti-retaining to moving back grade plectrum 6
Shelves plectrum 6 crosses initial position when resetting.
Move back grade plectrum 6 to be rotatably coupled with connecting shaft 110, and move back the top that grade plectrum 6 is located at the first fixed disk 4, move back
Shelves plectrum 6 has the second linkage portion 61 and the second limiting section 62, and the second linkage portion 61 is provided with cambered surface 611 and the second linkage portion 61
Abutted by the wedge surface 511 of cambered surface 611 and the first linkage portion 51 of pawl component 5.First linkage portion 51 passes through wedge surface 511 and
The cambered surface 611 of two linkage portions 61 is abutted, and guide effect is played in the rotation to the first linkage portion 51, and can reduce bicycle
Resistance when selector is shifted gears.In addition, the end of the first spring 63 respectively with the 5th bearing pin 401, move back grade plectrum 6 and be connected, the first spring
63 are used to reset to moving back grade plectrum 6.
The first end of auxiliary driving lever 7 is rotatably coupled with connecting shaft 110, and the second end of auxiliary driving lever 7 and first grade
Bar 8 is abutted.Pin 71 is provided with auxiliary driving lever 7 and enters grade ratchet 72, and pin 71 axially slidably connects along connecting shaft 110
It is connected on auxiliary driving lever 7, the first limiting section 131 of pin 71 and spacing slide bar 13 is connected.In addition, being provided with pin 71
Jump ring 711, pin 71 is fastened on auxiliary driving lever 7 by jump ring 711, prevents pin 71 from departing from auxiliary driving lever 7 in slip.Card
Spring 712 is provided between spring 711 and auxiliary driving lever 7, spring 712 is used to reset pin 71.Also, aid in driving lever 7
Spring 73 is provided between pedestal 1, spring 73 is used to reset auxiliary driving lever 7.
Enter grade ratchet 72 by the second bearing pin 721 with auxiliary driving lever 7 be rotatably coupled, also, enter grade ratchet 72 with it is auxiliary
Help between driving lever 7 and be provided with spring 722, spring 722 is used to reset to entering grade ratchet 72.Wherein, grade ratchet 72 is entered with moving back
Second limiting section 62 of shelves plectrum 6 is abutted, and is entered grade ratchet 72 and can be rotated around the axis of the second bearing pin 721 and be fastened on the second spine
On second ratchet 321 of wheel 32.
In addition, being additionally provided with bicycle handle clamp 15 on pedestal 1, bicycle handle clamp 15 is used to that bicycle selector 10 can be fixed
Installed in bicycle handle bar on hand.
Reference picture 9 and Figure 10, and combine Fig. 2, when need that bicycle is entered to advance shelves operation when, while stirring the first lever
8 and second lever 80, the first lever 8 and the second lever 80 is rotated rotating around the 4th bearing pin 81.Wherein, the first lever 8 is around
When four bearing pins 81 are rotated, back-moving spring 82 is by compressed energy-storage；Second lever 80 around the 4th bearing pin 81 rotate when, back-moving spring 802
By compressed energy-storage, meanwhile, the wedge-shaped protrusion 801 on the second lever 80 promotes spacing slide bar 13 along direction X in supporting member 12
Slide in chute 122, and energy storage be compressed to spring 133, now, the first limiting section 131 of spacing slide bar 13 depart from it is auxiliary
The mating connection of the pin 71 helped on driving lever 7, prevents pin 71 from being moved along direction Y, it is to avoid auxiliary driving lever 7 drives when rotating and moved back
Shelves plectrum 6 is rotated（See Figure 11）.
Meanwhile, the first lever 8 promotes the first end of auxiliary driving lever 7 so that auxiliary driving lever 7 is rotated around connecting shaft 110, and right
Back-moving spring 73 is compressed energy storage.Now, the spring 722 on auxiliary driving lever 7 releases energy and made into grade ratchet 72 around the second pin
Axle 721 is rotated, and is fastened on the second ratchet 32 of ratchet component 3.When the first lever 8, which continues around the 4th bearing pin 81, to be rotated,
First lever 8 continues to press on auxiliary driving lever 7 and rotated around connecting shaft 110, and then makes to promote the second ratchet 32 to rotate into grade ratchet 72.
Because ratchet component 3 is connected by the positioning key 21 of locating slot and wire spool 2, so when the second ratchet 32 is rotated, around
Drum 2 synchronizes rotation in the presence of positioning key 21 with the second ratchet 32, the first ratchet 31 so that the 3rd of wire spool 2
Projection 22 is rotated around the axis of connecting shaft 110, and then the shift cable of bicycle is wound, and realizes and bicycle is shifted gears
The shelves that enter of device 10 are operated.
Wherein, when entering grade ratchet 72 and promoting the second ratchet 32 to rotate, the first ratchet 31, which is synchronized, to be rotated and makes first
One the first ratchet 311 of ratchet 31 crosses the locking ratchet 511 of pawl component 5.Specifically, when the first ratchet 31 is rotated,
First the first ratchet 311 of the first ratchet 31 moves closer to locking ratchet 511 and pushes up open locking ratchet 511, makes pawl component 5
Rotated around the first bearing pin 42, and energy storage is compressed to the 3rd spring 531.Meanwhile, ratchet structure is made by the rotation of pawl component 5
The detent 512 of part 5 moves closer to the first ratchet 31 and second the first ratchet 311 positioned at the first ratchet 31 and the 3rd
Between ratchet 311, positioning action is played to the first ratchet 31, it is that appearance is out of supply entering shelves to prevent bicycle selector 10.When
When first the first ratchet 311 of one ratchet 31 crosses locking ratchet 51, the 3rd spring 531 release elastic potential energy simultaneously makes ratchet structure
Part 5 is resetted.Now, locking ratchet 51 is fastened on first the first ratchet 311 of the first ratchet 31 to the first ratchet 31
Locked, prevent the first ratchet 31 from retracting, meanwhile, detent 512 departs from the first ratchet 31, cancels to the first ratchet 31
Positioning.Now, the second spring 24 between the fixed disk 40 of wire spool 2 and second is by compressed energy-storage.
When discharging the first lever 8 and the second lever 81, the release elastic potential energy of back-moving spring 82 carries out the first lever 8
Reset；Meanwhile, the release elastic potential energy of back-moving spring 802 is resetted the second lever 80.When the first lever 8 is resetted,
Spring 73 discharges elastic potential energy, the progress of auxiliary driving lever 7 is reset to auxiliary driving lever 7 and is abutted with projection 43, and makes to move back grade plectrum 6
The first limiting section 62 promote auxiliary driving lever 7 on enter grade ratchet 72, make into grade ratchet 72 around the second bearing pin 721 rotate answered
Position, and energy storage is compressed to spring 722.When the second lever 81 is resetted, wedge-shaped protrusion 801 on the second lever 81 by
The promotion to the second wedge surface 132 of spacing slide bar 13 is gradually released, meanwhile, spring 133 releases energy, and is answered spacing slide bar 13
Position.When the first lever 8 and the second lever 80 complete to reset, that is, complete to enter shelves operation to bicycle selector 10.
Reference picture 11 and Figure 12, and Fig. 2 is combined, when needing move back shelves operation to bicycle, the first lever 8 is stirred,
The first lever 8 is rotated around the 4th bearing pin 81, and energy storage is compressed to back-moving spring 82.Meanwhile, the first lever 8 promotes auxiliary
The first end of driving lever 7 so that auxiliary driving lever 7 is rotated around connecting shaft 110, and is compressed energy storage to back-moving spring 73.Work as auxiliary
When driving lever 7 is rotated, because the first limiting section 131 of pin 71 and spacing slide bar 13 on auxiliary driving lever 7 is connected, make
Obtain the first limiting section 131 and position-limiting action is played to pin 71 so that pin 71 is with the rotation of auxiliary driving lever 7 gradually along direction
Y is moved, and is compressed energy storage to spring 712 by the jump ring 711 being fastened on pin 71.Meanwhile, pin 71 is in the first limit
Move and be fastened on along direction Y under the position-limiting action in position portion 131 on the first limiting section 62 for moving back grade plectrum 6（See Figure 12）.
When aiding in driving lever 7 to be rotated further, auxiliary driving lever 7 by aid in pin 71 on driving lever 7 to drive moving back grade plectrum 6 around
Connecting shaft 110 is rotated, and then the second linkage portion 61 for moving back grade plectrum 6 is promoted the first linkage portion 52 of pawl component 5, is made
Pawl component 5 is rotated around bearing pin 42, and then the locking ratchet 51 of pawl component 5 is contacted the first ratchet to ratchet component 3
31 locking, makes the first ratchet 31, wire spool 2 be resetted under the reaction force of second spring 24, unclamps and bicycle is become
The winding of fast line, realizes and moves back shelves operation to bicycle selector.
Specifically, when grade plectrum 6 is moved back in the drive of pin 71 for aiding in driving lever 7 to be rotated, move back grade plectrum 6 second is spacing
Grade ratchet 72 that enters on 62 pairs of portion auxiliary driving lever 7 carries out spacing, prevents from rotating around the second bearing pin 721 into grade ratchet 72, Jin Erfang
Stop and being fastened on into a grade ratchet on the second ratchet 32, the shelves that enter to advance to bicycle selector 10 operation.In addition, entering when moving back grade plectrum 6
When row is rotated, move back 6 and the 5th bearing pin of grade plectrum, 401 pair of first spring 63 and carry out stretching energy storage, also, move back the second of grade plectrum 6
The cambered surface 611 of linkage portion 61 promotes the first linkage portion 52 of pawl component 5, pawl component 5 is rotated around the first bearing pin 42.As schemed
Shown in 15 and Figure 16, when pawl component 5 is rotated, 5 pair of the 3rd spring 531 of pawl component is compressed energy storage, also, ratchet structure
The locking ratchet 511 of part 5 progressively disengages first ratchet 311 of the first ratchet 31 with the rotation of pawl component 5, meanwhile, spine
The positioning ratchet 512 of component 5 is taken turns as the rotation of pawl component 5 moves closer to second the first ratchet 311 of the first ratchet 31
Between the 3rd the first ratchet 311.
When locking ratchet 511 completely disengages from first ratchet 311 of the first ratchet 31, positioning ratchet 512 is located at first
Between second the first ratchet 311 and the 3rd the first ratchet 311 of ratchet 31, now, second spring 24 releases energy and made
Wire spool 2 is resetted, and wire spool 2 drives the first ratchet 31 and the second ratchet 32 to synchronize rotation, until the first ratchet 31
Second the first ratchet 311 when being engaged with positioning ratchet 512, the first ratchet 31, the second ratchet 32 and wire spool 2 stop
Rotate, realize and shelves operation is moved back to bicycle selector 10,512 pair of first ratchet 31 of detent is positioned, prevented voluntarily
There is situation out of supply when moving back grade in car selector 10.
As shown in figure 17, when discharging the first lever 8, the release elastic potential energy of back-moving spring 82 is answered the first lever 8
Position.When the first lever 8 is resetted, the release elastic potential energy of spring 73 is resetted auxiliary driving lever 7.Answered in auxiliary driving lever 7
During position, the first spring 63 release elastic potential energy makes to move back grade plectrum 6 and resetted, and now, the second linkage portion 61 is released to ratchet structure
The promotion of first linkage portion 52 of part 5, makes pawl component 5 be resetted in the presence of the elastic potential energy of the 3rd spring 531.
When pawl component 5 is resetted, locking ratchet 511 moves closer to the first ratchet with the rotation of pawl component 5
31, meanwhile, detent 512 is gradually distance from the first ratchet 31..When locking ratchet 511 is located at first ratchet 311 and the 4th
During gap between ratchet 311, detent 512 departs from engages, now, wire spool 2 and ratchet structure with second ratchet 311
Part 3 proceeds to be reset to the 4th ratchet 311 to be engaged with locking ratchet 511.Now, 511 pair of first spine of locking ratchet
Wheel 31 is locked, and prevents that the first ratchet 31 from being retracted.Wherein, first ratchet 311 is located at second ratchet 311 and the 4th
Between individual ratchet 311, second ratchet 311 is located between first ratchet 311 and the 3rd ratchet 311.
As shown in Figure 18 and Figure 19, when auxiliary driving lever 7 returns to initial position and is abutted with the projection 43 of the first fixed disk 4
When, move back projection 44 of the second limiting section 62 of grade plectrum 6 also just with the first fixed disk 4 and abut, and then prevent from aiding in the He of driving lever 7
Move back grade plectrum 6 and cross initial position in reset.Meanwhile, pin 71 is resetted in the presence of the elastic potential energy of spring 711
And initial position is returned to, jump ring 711 is used to prevent pin 71 from crossing initial position.When parts such as the first lever 8, auxiliary driving levers 7
When completing to reset, that is, complete to move back shelves operation to bicycle selector 10.
When needing to brake to bicycle, the second lever 80 is pulled, and then make supporting member 12 around the 3rd bearing pin 121
Rotate, and energy storage is compressed to back-moving spring 14 so that the brake cable of the through hole drawing bicycle on supporting member 12, to stopping
Fare plays winding effect, and then brake cable is driven the braking mechanism of bicycle, realizes and carries out brake processing to bicycle.When
When unclamping the second lever 80, supporting member 12 is resetted under the elastic potential energy effect of back-moving spring 14, is released to brake cable
Winding, enter but braking mechanism is resetted.
It can be seen that, setting and structure design by the bicycle selector to the present invention so that detent and locking spine
There is good harmony between pawl, prevent bicycle selector from, when move back shelves operation, situation out of supply occur, it is to avoid preceding
There is trip stop in derailleur or rear chiain-moving device.It is compared with prior art, of the invention when move back shelves operation to bicycle selector,
Ratchet component is resetted again after first carrying out pre-determined bit to ratchet component, and after the reset, first ratchet component is locked,
The pre-determined bit to ratchet component is being released, then can effectively prevent bicycle selector from being taken off during shelves are moved back in progress
Shelves.So that the bicycle selector of the present invention has the advantages that compact conformation, functional reliability are good and gearshift stability is good, and energy
Enough improve the service life of bicycle selector and speed changer.
Finally it is emphasized that the foregoing is only the preferred embodiments of the present invention, it is not intended to limit the invention, it is right
For those skilled in the art, the present invention can have various change and change, within the spirit and principles of the invention,
Any modification, equivalent substitution and improvements done etc., should be included in the scope of the protection.
Claims (10)
1. a kind of bicycle selector, it is characterised in that including：
Pedestal；
Spacing slide bar, the spacing slide bar is slidably attached on the pedestal, and the spacing slide bar has the first limiting section；
Wire spool, the wire spool is rotatably coupled with the connecting shaft in the pedestal, and positioning is provided with the wire spool
Key；
Ratchet component, the ratchet component, which has to be provided with the middle part of the first ratchet and the second ratchet, and the ratchet component, to be determined
Position groove, the locating slot is connected with the positioning key；
First fixed disk, first fixed disk is fixedly connected with the pedestal, and first fixed disk is along the connecting shaft
It is provided with axially extendingly in the first projection, first projection and is provided with the first bearing pin, the axis of first bearing pin is vertical
In the axis of the connecting shaft；
Pawl component, the pawl component is rotatably coupled with first bearing pin, the pawl component have ratchet portion and
The first linkage portion being connected with the ratchet portion, the ratchet portion is provided with locking ratchet and detent, first ratchet
Engaged with the locking ratchet or the detent；
A grade plectrum is moved back, grade plectrum that moves back is rotatably coupled with the connecting shaft, grade plectrum that moves back is with the second linkage portion
With the second limiting section, first linkage portion is abutted with second linkage portion；
Driving lever is aided in, first end and the connecting shaft of the auxiliary driving lever are rotatably coupled, set on the auxiliary driving lever
There is pin and enter a grade ratchet, the pin is axially slidably connected to described on the auxiliary driving lever, the pin and institute
State the first limiting section mating connection, it is described enter grade ratchet by the second bearing pin with it is described aid in driving lever be rotatably coupled, it is described
Enter grade ratchet and second limiting section to abut, and it is described enter grade ratchet can rotate and be fastened on around the axis of second bearing pin
On second ratchet.
2. bicycle selector according to claim 1, it is characterised in that：
Gap between the locking ratchet and the detent can accommodate two first ratchets.
3. bicycle selector according to claim 2, it is characterised in that：
Vertical range between the bottom surface of the tooth top of the locking ratchet and first linkage portion is more than the detent
Vertical range between the bottom surface of tooth top and first linkage portion.
4. bicycle selector according to claim 1, it is characterised in that：
First linkage portion is provided with the first wedge surface, and second linkage portion is provided with cambered surface, first wedge surface and described
Cambered surface is abutted.
5. bicycle selector according to claim 1, it is characterised in that：
The pedestal includes supporting member, and the supporting member is rotationally connected by the body of the 3rd bearing pin and the pedestal
Connect, chute is provided with the supporting member, the spacing slide bar is slidably mounted in the chute.
6. bicycle selector according to claim 5, it is characterised in that：
The bicycle selector also includes：
First lever, first lever is rotatably coupled by the 4th bearing pin and the supporting member, the auxiliary driving lever
The second end and first lever abut；
Second lever, second lever is rotatably coupled by the 4th bearing pin with the supporting member, and described second
It is provided with lever on wedge-shaped protrusion, the spacing slide bar and is provided with the second wedge surface, the wedge-shaped protrusion and second wedge surface
It is adjacent.
7. bicycle selector according to claim 1, it is characterised in that：
The ratchet component includes：
First ratchet, first ratchet is arranged in the circumference of first ratchet；
Second ratchet, second ratchet is arranged in the circumference of second ratchet, and the middle part of first ratchet, described
The locating slot is provided with the middle part of second ratchet.
8. the bicycle selector according to any one of claim 1 to 7, it is characterised in that：
The pedestal has the first accommodating chamber；
The bicycle selector also includes the second fixed disk, and second fixed disk is arranged in first accommodating chamber, and
The connecting shaft is fixedly connected with second fixed disk, and second fixed disk axially arranged has the 5th bearing pin, institute along described
The 5th bearing pin is stated through first fixed disk and is fixedly connected with first fixed disk.
9. bicycle selector according to claim 8, it is characterised in that：
The side that second fixed disk is axially facing the wire spool described in is provided with the second projection；
Being circumferentially provided with for the wire spool is the 3rd raised, the 3rd projection of the wire spool can around the connecting shaft axle
Line turns to second high spot.
10. bicycle selector according to claim 9, it is characterised in that：
The bicycle selector also includes：
First spring, the two ends of first spring are connected with the 5th bearing pin, grade plectrum that moves back respectively；
Second spring, the wire spool has the second accommodating chamber, and the second spring is arranged in the accommodating chamber, and described the
The two ends of two springs are connected with second fixed disk, the wire spool respectively；
Set fluted on 3rd spring, the pawl component, the two ends of the 3rd spring respectively with the pedestal, described recessed
Groove is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250232.6A CN106995035B (en) | 2017-04-17 | 2017-04-17 | Bicycle gear shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250232.6A CN106995035B (en) | 2017-04-17 | 2017-04-17 | Bicycle gear shifter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106995035A true CN106995035A (en) | 2017-08-01 |
| CN106995035B CN106995035B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710250232.6A Active CN106995035B (en) | 2017-04-17 | 2017-04-17 | Bicycle gear shifter |
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| Country | Link |
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| CN (1) | CN106995035B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109552549A (en) * | 2018-12-25 | 2019-04-02 | 珠海迪瑞乐科技有限公司 | Bicycle selector and bicycle |
| CN113803422A (en) * | 2021-10-12 | 2021-12-17 | 石幸运 | Double-shaft multi-stage neutral-gear-free transmission with load, advanced gear and rear gear disengagement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109552549A (en) * | 2018-12-25 | 2019-04-02 | 珠海迪瑞乐科技有限公司 | Bicycle selector and bicycle |
| CN113803422A (en) * | 2021-10-12 | 2021-12-17 | 石幸运 | Double-shaft multi-stage neutral-gear-free transmission with load, advanced gear and rear gear disengagement |
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| Publication number | Publication date |
|---|---|
| CN106995035B (en) | 2022-05-03 |
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Address after: 519000 building B-2, No. 8, Honghui fifth road, Shuanglin District, LIANGANG Industrial Zone, Jinwan District, Zhuhai City, Guangdong Province Patentee after: Zhuhai Blueprint Sports Technology Co.,Ltd. Address before: 519090 room 312-43, third floor, aviation new town planning exhibition hall, Jinwan District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI LTWOO CONTROLLER TECHNOLOGY CO.,LTD. |