CN103979069B - A kind of bicycle selector - Google Patents
A kind of bicycle selector Download PDFInfo
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- CN103979069B CN103979069B CN201410242005.5A CN201410242005A CN103979069B CN 103979069 B CN103979069 B CN 103979069B CN 201410242005 A CN201410242005 A CN 201410242005A CN 103979069 B CN103979069 B CN 103979069B
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Abstract
The invention discloses a kind of bicycle gearshift, including：Base component, the base component has the first pivotal line；Enter a grade ratchet, ratchet component, detent, detent is movably mounted with relative to base component between holding position and off-position, release component, release component is movably mounted with relative to the second pivotal line of the first pivot line skew, and detent is operated in response to the release of release component and detent is moved to off-position from holding position；Control member, the release operation of control member response release component, installs rotatable movement between the first position and the second position relative to the base component.It is an object of the present invention to provide a kind of bicycle selector for avoiding sliding tooth or latch, especially enter a grade ratchet and be not only and acted in engaged transmission tooth, and during release, enter grade ratchet can serve as detent play holding effect, reduce the supplies consumption into grade ratchet and detent.
Description
Technical field
Of the invention and a kind of selector, particularly a kind of bicycle gearshift.
Background technology
Cycling is just turning into the leisure form and means of transportation for becoming more and more popular.Additionally, for amateur and duty
For industry sportsman, cycling has turned into popular competitive sport.No matter bicycle be used to lie fallow, transport
Or contest, bicycle industry is constantly improved the various parts of bicycle
Chinese patent ZL97109985.5 discloses a kind of bicycle gearshift, the structure that such as patent accompanying drawing 4 is disclosed, its master
To include 52, release 98, main ratchet 130 of ratchet of a turnbuckle, the turnbuckle 52 is in a flat disk, its periphery
There is plural positioning tooth 80 and driving cog 84 with radial direction, the release ratchet 98 pawl 104,106 to be used to stir and discharge fixed
There is position tooth 80, the main ratchet 130 engaging tooth 140 to be used to engaged transmission tooth 84, thereby reach the purpose of bicycle shift.
The prior art is characterised by that positioning tooth 80 and driving cog 84 are located at the radial direction of turnbuckle 52, there is following lacking
Lose：
First, the spacing of two pawls 104,106 and angle control is difficult, and wherein two teeth for easily causing positioning tooth 80 are equipped in pawl
104th, cannot move between 106；
2nd, abrasion is caused after the long-time of positioning tooth 80 and pawl 104,106 starts, causes pawl 104,106 accurately to determine
Position.
3rd, especially：Main ratchet is only acted in engaged transmission tooth, and positioning is stirred and discharge in the release ratchet
During tooth, main ratchet is then always maintained at leaving unused.It is well known that main ratchet and release ratchet are to be adapted to be produced in speed-change process
Active force high, it is necessary to be made with sintering metal or more expensive method.The supplies consumption of main ratchet and release ratchet is reduced as far as possible
It is also industry trend.
The content of the invention
It is an object of the present invention to provide a kind of bicycle selector for avoiding sliding tooth or latch, especially enter a grade ratchet and be not only
Acted in engaged transmission tooth, and during release, enter grade ratchet and can serve as detent to play holding effect.
So that grade ratchet that enters of bicycle selector reliably realizes how grading shelves, and reduce the thing into grade ratchet and detent
Material consumption.
To achieve the above object, the present invention takes following technical scheme：
Bicycle gearshift, it is characterised in that the bicycle gearshift includes：Base component；The base component has
First pivotal line；Enter a grade ratchet, it is described enter grade ratchet be movably mounted with relative to the base component；Ratchet component, it is described
Ratchet component is rotatably mounted relative to the base component around first pivotal line, it is described enter the response of grade ratchet described in enter shelves
The merging that connects with the ratchet component of the operating winding of ratchet makes the ratchet component in a roll-up direction around first pivot
Line is rotated；Detent, the detent is movable between holding position and off-position relative to the base component
Ground is installed, and when the detent is in the holding position, the detent prevents the ratchet component in release side
Upwards about first pivot axis, when the detent is in the off-position, the detent discharges institute
Ratchet component is stated to be rotated with the release direction；
Release component, the release component is movingly pacified relative to the second pivotal line of the first pivot line skew
Dress, the detent responds the release operation of the release component and the detent is moved to from the holding position
The off-position；Control member, the control member responds the release operation of the release component, relative to the pedestal structure
Part is installed on rotatable movement ground between the first position and the second position；
When the control member is arranged on the first position, it is described enter grade ratchet and ratchet component depart from, and with
Control member is in contact, the control member operationally prevent it is described enter ratchet component described in grade pawl rotation, the positioning
Ratchet is in the holding position, and the detent prevents the ratchet component in the releasing direction around first pivotal line
Rotate；
When the control member is arranged on the second place, it is described enter grade ratchet and ratchet component be intermeshed,
And be separated with control member, the detent responds the release operation of the release component and is in the detent
The off-position, the detent discharges the ratchet component and turns around first pivotal line with the release direction
It is dynamic.
Wherein, the control member relative to base component around first pivot axis or relative to described first
3rd pivotal line of pivot line skew is rotated.
Wherein, the base component includes lower supporting plate, and control member includes bending connecting portion, and the bending connecting portion is with
Spring is set between curled portion in supporting plate.
Wherein, the release component includes release location division and control location division, and the release location division is used for promoting
Detent is rotated, and the control location division is used to promote control member with the release component junction surface intermeshing of control member
Around first pivotal line or the 3rd pivot axis.
Wherein, the 3rd pivotal line overlaps with second pivotal line
Bicycle gearshift provided by the present invention, is rotated from first position by control member towards the second place, from
And cause that a grade ratchet is not only in engaged transmission tooth shelves operation of entering to advance, and during release, entering grade ratchet can be with
Serve as detent and play holding effect.
Brief description of the drawings
Fig. 1 is bicycle gearshift perspective view；
Fig. 2 is the perspective view of the selector shown in Fig. 1, removes shell to show inner body；
Fig. 3 is the top plan view of the selected part of the selector shown in Fig. 1 and Fig. 2；
Fig. 4 is sectional view of the selector shown in Fig. 3 along line B-B；
Fig. 5 is the decomposition diagram of the selected part of the selector shown in Fig. 2 to Fig. 4；
Fig. 6 is the top plan view of the selected part of the selector shown in Fig. 2 Fig. 4；
Fig. 7 is the face upwarding view of the selected part of the selector shown in Fig. 6；
Fig. 8 is the planar rear view of the selected part of the selector shown in Fig. 6；
Fig. 9 D of Fig. 9 A mono- are the plans of the motion matching relationship of the selected part of the selector shown in Fig. 6；
Figure 10 is the plan of the motion matching relationship of the selected part of another embodiment selector；
Specific embodiment
Selected embodiment of the invention is illustrated referring now to accompanying drawing.From present disclosure, for this area skill
It is readily apparent that the following description to the embodiment of the present invention only supplies exemplary illustration for art personnel, and not limit such as institute
The present invention that attached claim and its equivalent way are limited.
The present invention provides the selector 10 of one embodiment, and selector 10 is arranged on Handlebar of bicycle, and selector 10 leads to
Cross operation cable and be operatively coupled to front chain mover or rear chiain-moving device.In the illustrated embodiment, selector 10 constitutes excellent
Selection of land is used for the bicycle part operating device of the gear of gear shift bicycle.
Preferably, as shown in figure 1, selector 10 is included for covering the shell 20 of inner body, and for by selector
10 are fixed on hand upper hand fixture 22.Hand is preferably manufactured fixture 22 by such as metal and is constructed by screwing bolts
And hand is fastened to upper.Shell 20 is preferably provided with to receive the cable adjusting nut of gear-change operation cable.Cable is adjusted
Section nut is usual structure, therefore no longer it will be discussed in detail and/or illustrated.
With reference now to Fig. 2 to Fig. 4, bicycle part operating device or selector 10 include base component 30, tensioning substantially
Control member 32, ratchet component 34, line tighten up component 36, detent 38, enter grade ratchet 40, release component 42 and control member
44.Line tightens up component 36 and is connected in ratchet component 34 so that ratchet component 34 and line are tightened up component 36 and responded as explained below
The motion of tensioning operation component 32 or release component 42 and moved together around the first pivotal line A as unit.
(such as screw tightening, fastening assembling etc.) is fixed on base component 30 shell 20 (Fig. 1) in the usual way, is tensioned
Control member 32, release component 42 are protruded from shell 20.
In the illustrated embodiment, selector 10 has multiple shift patterns, and tensioning operation component 32 is relative to base component
30 are movably mounted with the operating winding that inner wire is tensed to perform, and release component 42 is movingly pacified relative to base component 30
It is filled with the release operation for performing release inner wire.Shell 20 can on demand and/or wish is made up of duroplasts or metal.Shell 20
Ad hoc structure it is not main, therefore it is not described in detail and/or illustrated herein.
As shown in Figures 2 to 5, base component 30 is basic including lower supporting plate 46, upper backup pad 48, in supporting plate 46 and 48
Between the main support shaft 50 that extends and nut 52, wherein, main support shaft 50 has the main support shaft axle that is overlapped with the first pivotal line A
Line.Shell 20, hand substantially constitutes fixture 22 and supporting plate 46 and 48 support or the fixing component of selector 10.Supporting plate 46
Rigid metal plate is preferably with 48.Supporting plate 46 and 48 is fixed together by main support shaft 50, and main support shaft 50 is preferably
It is bolt, nut 52 is screwed in its upper end.
Be fixed on tensioning operation component 32 on base component 30 by main support shaft or bolt 50 and nut 52,52a, following institute
State, be pivotally movable relative to base component 30 for tensioning operation component 32.Lower supporting plate 46 has pivot hole 46a, its
The Part I of main support shaft 50 is received, and upper backup pad 48 has pivot hole 48a, second of its main support shaft 50 of reception
Point.
Pivot pin 54 is fixed between supporting plate 46 and 48.Pivot pin 54 is pivotly supported between supporting plate 46 and 48
Detent 38.The lower end of pivot pin 54 extends through the opening 46b on lower supporting plate 46, and the upper end of pivot pin 54 extends logical
The opening 48b crossed on upper backup pad 48.Every one end of pivot pin 54 can be used to receive C-shaped retaining clip 56 with groove.
Preferably, main support shaft 50 extends perpendicular to supporting plate 46 and 48.Main support shaft 50 defines tensioning operation component
32nd, the first pivotal line A of ratchet component 34, control member 44.In other words, tensioning operation component 32, ratchet component 34 and control
Component processed 44 all movingly (pivotly) is arranged on the single coincidence of the first pivotal line A of correspondence relative to base component 30
On axis.
Tensioning operation component 32 is movably mounted with relative to base component 30.As shown in Figure 4 and Figure 5, it is preferable that tensioning
Control member 32 has the main mounting hole 32a of the smaller diameter portion for receiving main support shaft 50 in its inner.So, tensioning operation
Component 32 is pivotably mounted in the main support shaft 50 of the first pivotal line A for defining ratchet component 34.It is as described below, tensioning
Control member 32 is pivoted relative to base component 30, is moved with the first rotation direction R1 (i.e. inner wire coiling direction), to hold
Row inner wire operating winding.
In this embodiment, tensioning operation component 32 is preferably the bar of trigger type, and it passes through back-moving spring 60 the
Biased (reset) on two rotation direction R2 (i.e. inner wire release direction).Back-moving spring 60 is torsionspring, is which constituted partially
Put element.Back-moving spring 60 is operatively coupled between tensioning operation component 32 and lower supporting plate 46, by tensioning operation structure
Part 32 is in the second rotation direction R2 (rotation direction R1 is opposite) upper offset (reset).Back-moving spring 60 have be arranged on lower supporting plate
The second end 60b in first end 60a in 46 hole 46c and the hole (being not shown) being arranged on tensioning operation component 32.This
Sample back-moving spring 60 makes tensioning operation component 32 be biased towards resting position.In lower supporting plate 46 towards being provided with pad on lower surface
Circle 62, when main support shaft 50 and nut 52 are tightened, to prevent back-moving spring 60 in tensioning operation component 32 and lower supporting plate
It is extruded between 46.
Tensioning operation component 32 also has the hole 32d for receiving pivot pin 64.Pivot pin 64 is pivotally supported at thereon
Enter grade ratchet 40.In other words, grade ratchet 40 is entered on tensioning operation component 32 to move therewith.Especially, pivot
Every one end of pivot pin 64 can have the groove 64a for receiving folder 66, be used to for pivot pin 64 to be regularly attached in tensioning operation component
On 32 and grade ratchet 40 will be entered it will be maintained on pivot pin 64.Used as replacement, pivot pin 64 can otherwise (such as riveting be fixed or presses
Coordinate) it is attached on tensioning operation component 32.There is provided back-moving spring 70 biasing is closed with to the side edge with ratchet component 34
Enter grade ratchet 40.Back-moving spring 70 has the coil section on pivot pin 64.First leg section 70a of back-moving spring 70
In the hole (being not shown) being bonded in tensioning operation component 32.Second leg section 70b of back-moving spring 70 with enter grade ratchet 40
Engage.So, back-moving spring 70 constitutes the biasing element into grade ratchet 40.
The structure of ratchet component 34.Ratchet component 34 is the flat rigid plate that the material such as metal by being adapted to is manufactured.Spine
The mounting hole 34a for taking turns the structure of component 34 receives the main support shaft 50 for passing through.Ratchet component 34 relative to base component 30 around
First pivotal line A is rotatably mounted.Ratchet component 34 is biased on the second rotation direction R2 by flat wind spring 74, flat wind spring
74 are operatively disposed at line tightens up between component 36 and upper backup pad 48.Flat wind spring 74 is constituted on the second rotation direction R2
Promote the biasing element of ratchet component 34.Line tightens up the spline otch 34b that the protrusion of component 36 position 36a is arranged on ratchet component 34
In.Component 36 is tightened up due to ratchet component 34 and line to be linked together as unit rotational, the bias force of flat wind spring 74 is from spine
Wheel component 34 passes to line and tightens up component 36.Flat wind spring 74 is with first in the hole (being not shown) being arranged in upper backup pad 48
The second end in end and the online hole (being not shown) tightened up in component of setting.The preload of flat wind spring 74 is with the second rotation side
Component 36 is tightened up to ratchet component 34 and line is promoted on R2.
Line tightens up the structure of component 36.It is the duroplasts being attached in the inner wire of gear-change operation cable that line tightens up component 36
Or hardware, it is used to tense and discharge inner wire perform gear-change operation.As shown in Fig. 3, Fig. 5, line tightens up component to be had
Stair-stepping thorax, which constitutes line attachment structure and is used to the junction portion attachment of gear-change operation cable thereon.
Detent 38 respond inner wire release operation into grade ratchet 40 relative to base component 30 in holding position and
It is movably mounted between off-position.Especially, when detent 38 is in holding position, detent 38 prevents ratchet
Component 34 is rotated in the second rotation direction R2 (i.e. inner wire release direction) around the first pivotal line A.On the other hand, detent is worked as
38 in off-position when, detent 38 discharge ratchet component 34 with the second rotation direction R2 (i.e. inner wire release direction)
Upper rotation.There is detent 38 detent crown 38a, detent crown 38a to pass through the opening on lower supporting plate 46
46f。
Detent 38 is pivotably mounted on the pivot pin 54 of lower supporting plate 46.So, detent 38 relative to
Base component 30 is pivotably mounted around the pivotal line of the first pivotal line A skews with ratchet component 34.As shown in figure 5, positioning
The inner wire release operation of the response tensioning operation of ratchet 38 component 32 is movably pacified relative to base component 30 from holding position
Put to off-position.Torsionspring 76 is provided makes its periphery with ratchet component 34 on pivot pin 54 with offset located ratchet 38
Side edge is touched.The coil section of spring 76 is provided on pivot pin 54.First leg section of spring 76 is hooked on upper plate 48, and
Second leg section of spring 76 is hooked on detent 38.
Enter the structure of grade ratchet 40, enter grade ratchet 40 and be movably mounted with relative to base component 30.Internally the coil of wire around
During operation, entering the merging that operationally connects with ratchet component 34 of grade ratchet 40 moves it.During the operation of line release internally,
Entering the merging that operationally connects with control member 44 of grade ratchet 40 moves it.As described above, enter grade ratchet 40 pivotly pacifying
On the pivot pin 64 of tensioning operation component 32.So, enter grade ratchet 40 relative to base component 30 around with ratchet component 34
The first pivotal line A skew pivotal line be pivotably mounted.Entering grade ratchet 40 has into a grade ratchet crown 40a, when entering a grade spine
When the inner wire operating winding of the response tensioning operation of pawl 40 component 32 is moved relative to base component 30, enter a grade ratchet crown 40a
Engaged with the driving cog 34e of ratchet component 34 so that ratchet component 34 is along the first rotation direction R1 (i.e. inner wire coiling direction)
Rotated around the first pivotal line A.In other words, the operating winding and ratchet component 34 of the response tensioning operation of grade ratchet 40 component 32 are entered
The merging that connects makes it be rotated around the first pivotal line A in coiling direction.
The structure of release component 42 is flat rigid plate, and it is made up of suitable material such as metal.In the embodiment for showing
In, as shown in figure 5, release component 42 includes mounting hole 42a, release location division 42e and control location division 42f.Release component
Release component 42 is fixed on by the lower section of lower supporting plate 46 by screw 42s, nut 42n between 42 and lower supporting plate 46, structure is discharged
Part 42 is pivoted around screw 42s central shafts.So, release component 42 relative to base component 30 around the first pivot with control member 44
Second pivotal line B of axis A skews is pivotably mounted.Flat wind spring 78 is operatively coupled to release component 42 and lower supporting plate
With in the second rotation direction R2 upper offsets release component 42 between 46.Spring 78 have be arranged in the hole in lower supporting plate 46
Second end of the hole 42b of first end and hook in release component 42.So, spring 78 makes release component 42 inclined to resting position
Put.
The structure of control member 44 is flat rigid plate, and its available suitable material such as metal is made.In the implementation for showing
In example, control member 44 includes mounting hole 44a, enters grade engaged pawl portion 44b and release component junction surface 44c.Control member 44
The first pivotal line A relative to base component 30 is movingly pivoted between the first position and the second position.The second place with
First position angularly separates.Control member 44 has bending connecting portion 44d, on bending connecting portion 44d and lower supporting plate 46
Curled portion 46e between set spring 80, so, spring 80 makes control member 44 be biased in the second rotation direction R2.Work as control
When component 44 is in first position, grade ratchet crown 40a and driving cog 34e of ratchet component 34 that enters for entering grade ratchet 40 departs from,
It is in contact with grade engaged pawl portion 44b that enters of control member 44.
As shown in Figures 2 to 5, be provided on the pivot pin 64 of the head of tensioning operation component 32 with ratchet component 34 on
External tooth match enter grade ratchet 40 and back-moving spring 70, when user promote tensioning operation component 32 with the first rotation side
To R1 (i.e. inner wire coiling direction) motion complete into shelves operate when, on tensioning operation component 32 enter grade ratchet 40 and
External tooth intermeshing on ratchet component 34, then promotes ratchet component 34 to be rotated around principal axis A, because ratchet component 34 and line are received
Tight component 36 is an integral unit for being mounted to mutually to rotate, therefore is also driven accordingly when ratchet component 34 rotates
Line is tightened up component 36 and is rotated around principal axis A therewith, so that the speed change interior lines that line is tightened up on component 36 are tightened up, reaches into grade speed change
Function.
Reference picture 3 and Fig. 6 (top view of Fig. 7) are when user's promotion tensioning operation component 32 is with the first rotation direction
R1 (i.e. inner wire coiling direction) motion complete into shelves operate when, enter entering for grade ratchet 40 on tensioning operation component 32
Shelves ratchet crown 40a is engaged with the driving cog 34e of ratchet component 34, promotes tensioning operation component 32 in the first rotation direction R1
Movement angle is bigger, and entering grade ratchet 40 can just cross tooth position the more can realize once how grading shelves in ratchet component 34.Enter shelves
In operating process, because ratchet component 34 is identical around principal axis A rotational angle with tensioning operation component 32, i.e., when promotion tensioning operation
Component 32 with the first rotation direction R1 motion be only completed once enter shelves operate when, enter grade ratchet 40 on tensioning operation component 32
Multiple tooth positions can be just crossed on ratchet component 34 and then multidigit is completed and enters shelves.Shown in reference picture 6, on tensioning operation component 32
Grade ratchet 40 that enters enter file location in maximum on ratchet component 34, namely tensioning operation component 32 can not be rotated first again
Direction R1 is rotated.
Shown in reference picture 8 (upward view of Fig. 7), grade ratchet 40 that enters on tensioning operation component 32 is located on ratchet component 34
Enter file location in maximum, tensioning operation component 32 is by back-moving spring 60 in the second rotation direction R2 (i.e. inner wire release direction)
On biased, enter the adjacency section 46d that grade ratchet 40 rests on lower supporting plate 46.Now control member 44 is relative to base component 30
In first position, grade ratchet crown 40a and driving cog 34e of ratchet component 34 that enters for entering grade ratchet 40 departs from, so as to control
Grade engaged pawl portion 44b that enters of component processed 44 is in contact.On the other hand, when control member 44 is in the relative to base component 30
There is one position, detent 38 detent crown 38a, detent crown 38a to pass through the opening on lower supporting plate 46
46f.Detent crown 38a is combined with the positioning tooth 34f of ratchet component 34, and detent 38 plays holding effect.
Reference picture 9A to Fig. 9 D, further describes base component 30, tensioning operation component 32, ratchet component 34, positioning spine
Pawl 38, enter grade ratchet 40, release component 42 and control member 44 mutually motion mating connection relation.
Reference picture 9A, control member 44 between the first position and the second position can be around first relative to base component 30
Pivotal line A is rotated.Control member 44 is in first position relative to base component 30, and a grade ratchet is entered on tensioning operation component 32
40 enter file location on ratchet component 34 in maximum, enter the biography for entering grade ratchet crown 40a and ratchet component 34 of grade ratchet 40
Dynamic tooth 34e departs from, so as to be in contact with grade engaged pawl portion 44b that enters of control member 44.The detent tooth of detent 38
Sharp 38a is tied through the opening 46f on lower supporting plate 46, the detent crown 38a with the positioning tooth 34f phases of ratchet component 34
Close, now detent 38 plays holding effect.
Reference picture 9B, when user promotes release component 42 (to be actually first in rotation direction P1 around the second pivotal line B
Rotation direction R1, i.e. inner wire release direction) motion complete release operation when, release component 42 include promote detent 38 around
The release location division 42e that pivot pin 54 is rotated counterclockwise, to order about the positioning tooth 34f that detent 38 departs from ratchet component 34,
Release component 42 also includes the control location division 42f for promoting control member 44 to be rotated counterclockwise around the first pivotal line A, release component
42 control location division 42f and the release component junction surface 44c intermeshings of control member 44 be used to promote control member 44 around
First pivotal line A is rotated counterclockwise, with order about control member 44 enter grade engaged pawl portion 44b with enter grade ratchet 40 enter a grade spine
Blade tooth point 40a is separated, and makes to be rotated clockwise around pivot pin 64 under the effect of the bias force of back-moving spring 70 into grade ratchet 40, so that
Make to be combined generation positioning holding effect with the driving cog 34e of ratchet component 34 again into grade ratchet 40.Now, control member 44
It is still between first position and the second place relative to base component 30.
Reference picture 9C, when user promotes release component 42 (to be actually first in rotation direction P1 around the second pivotal line B
Rotation direction R1, i.e. inner wire release direction) when further rotating, detent 38 departs from the positioning tooth 34f of ratchet component 34,
And grade ratchet crown 40a and grade engaged pawl portion 44b that enters of control member 44 that enters for entering grade ratchet 40 is not yet completely disengaged from, from
And 4 ratchet components 34 are operated on the second rotation direction R2 in the case where being acted on by the flat wind spring 74 of biasing with performing release inner wire release,
The release component junction surface 44c of control member 44 release component 42 control location division 42f promote under, the phase of control member 44
Arrive at the second place for base component 30, enter grade ratchet 40 enter grade ratchet crown 40a and control member 44 enter a grade ratchet
Junction surface 44b has been completely disengaged from, and is entered grade ratchet 40 and is engaged with the driving cog 34e of ratchet component 34 again to ratchet component 34
To effect is held in position, now release component 42 discharges behaviour relative to the inner wire that base component 30 completes to perform release inner wire
Make.
Fig. 9 D are referred again to, when user unclamps release component 42, release component 42 is under the bias of flat wind spring 78 with the
Origin-location, detent crown 38a and the release location division 42e phases point of detent 38 are reset on two rotation direction R2
From, and be intermeshed with the driving cog 34e of ratchet component 34, now detent 38 plays the effect of being held in position again.Control
Component 44 is set under the bias of spring 88 between the curled portion 46e on bending connecting portion 44d and lower supporting plate 46, controls structure
Part 44 is rotated around the first pivotal line A and resets to first position by the second place.Equally, that enters grade ratchet 40 enters a grade ratchet crown
40a departs from the driving cog 34e of ratchet component 34, so as to be in contact with grade engaged pawl portion 44b that enters of control member 44.
In second embodiment provided by the present invention, as shown in Figure 10, control member 144 is relative to base component 30 first
Can be rotated around the 3rd pivotal line C offset relative to the first pivotal line A between position and the second place.Control member
144 include mounting hole, enter grade engaged pawl portion 144b and release component junction surface 144c.Due to removing control member 144 around phase
The 3rd pivotal line C offset for the first pivotal line A of base component 30 is between the first position and the second position movingly
Outside pivot is different from above-mentioned first embodiment, control member 144 is basic with the motion matching relationship of other parts associated therewith
With reference to first embodiment, no longer Ao Shu herein.
In a second embodiment, the control member 144 and release component 42 are rotating around the 3rd pivotal line C and the second pivot
Line B is rotated, and used as another mode of texturing of second embodiment, the 3rd pivotal line C and the second pivotal line B can be complete
Overlap, under above-mentioned mode of texturing situation, can equally realize in second embodiment control member 144 with other associated therewith zero
The motion matching relationship of part, herein no longer Ao Shu.
Presently preferred embodiments of the present invention is the foregoing is only, not for limiting practical range of the invention；It is every according to this
The made equivalence changes of invention and modification, are all covered by the scope of claims of the present invention.
Claims (4)
1. a kind of bicycle selector, it is characterised in that the bicycle selector includes：
Base component；The base component has the first pivotal line；
Enter and keep off ratchet, it is described to enter to keep off ratchet and be movably mounted with relative to the base component；Ratchet component, the ratchet component
Be rotatably mounted around first pivotal line relative to the base component, it is described enter keep off ratchet response described in enter to keep off the volume of ratchet
Make the ratchet component in a roll-up direction around first pivot axis around the merging that connects with the ratchet component is operated；
Detent, the detent is movingly pacified relative to the base component between holding position and off-position
Dress, when the detent is in the holding position, the detent prevents the ratchet component in the releasing direction
Around first pivot axis, when the detent is in the off-position, the detent discharges the spine
Wheel component is rotated with the release direction；
Release component, the release component is movably mounted with relative to the second pivotal line of the first pivot line skew, institute
State that detent responds the release operation of the release component and the detent is moved to from the holding position described
Off-position；
Control member, the control member responds the release operation of the release component, relative to the base component first
Rotatable movement ground is installed between position and the second place；
When the control member is arranged on the first position, enter to keep off ratchet and ratchet component and depart from described, and with control
Component is in contact, the control member operationally prevent it is described enter to keep off ratchet component described in pawl rotation, the detent
In the holding position, the detent prevents the ratchet component from turning around first pivotal line in the releasing direction
It is dynamic；
When the control member is arranged on the second place, enter to keep off ratchet and ratchet component intermeshing described, and with
Control member is separated, and the detent responds the release operation of the release component and makes the detent in described
Off-position, the detent discharge the ratchet component with the release direction around first pivot axis；
The base component include lower supporting plate, the control member include bending connecting portion, the bending connecting portion with it is described
Spring is set between the curled portion of lower supporting plate.
2. a kind of bicycle selector according to claim 1, it is characterised in that the control member is relative to pedestal structure
Part is rotated around first pivot axis or relative to the 3rd pivotal line of the first pivot line skew.
3. a kind of bicycle selector according to claim 2, it is characterised in that the release component includes that release is positioned
Portion and control location division, the release location division are used for promoting detent to rotate, the control location division and control member
The intermeshing of release component junction surface be used to promote control member to turn around first pivotal line or the 3rd pivotal line
It is dynamic.
4. a kind of bicycle selector according to Claims 2 or 3, the 3rd pivotal line and the second pivotal line weight
Close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242005.5A CN103979069B (en) | 2014-05-30 | 2014-05-30 | A kind of bicycle selector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410242005.5A CN103979069B (en) | 2014-05-30 | 2014-05-30 | A kind of bicycle selector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN107010168B (en) * | 2017-04-17 | 2022-06-21 | 珠海蓝图控制器科技有限公司 | Bicycle gear shifter |
| CN110027667B (en) * | 2018-01-12 | 2024-06-21 | 广东洛梵狄智能科技有限公司 | Gear switch |
| CN108583767A (en) * | 2018-06-15 | 2018-09-28 | 速瑞达自行车零件（佛山）有限公司 | A kind of speed regulating method and governor of moped |
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| US7032475B2 (en) * | 2001-06-07 | 2006-04-25 | Shimano Inc. | Hydraulic gear shift mechanism |
| CN102582780B (en) * | 2012-02-17 | 2013-04-24 | 中山新宝精密科技有限公司 | Bicycle variable speed gear-shifting mechanism with multidirectional release operation |
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