CN209683929U - Bicycle chain-putting mechanism and bicycle chain puller - Google Patents
Bicycle chain-putting mechanism and bicycle chain puller Download PDFInfo
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- CN209683929U CN209683929U CN201920033246.7U CN201920033246U CN209683929U CN 209683929 U CN209683929 U CN 209683929U CN 201920033246 U CN201920033246 U CN 201920033246U CN 209683929 U CN209683929 U CN 209683929U
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Abstract
This is practical to disclose a kind of bicycle chain-putting mechanism and bicycle chain puller, including base member, sliding component, it is mounted on the side of sliding component and dials chain component and drive member, guide part is provided on base member, there is the Directional Decomposition amount along rear axis line direction along laterally disposed in the guide direction of guide part；Sliding component is mounted on guide part, can be moved with respect to base member along the guide direction of guide part；Drive member can drive sliding component to move on guide part.The cooperation of guide part and sliding component is utilized in this chain-putting mechanism, it drives and dials chain component along lateral movement, and then the flywheel of chain upper level or next stage bicycle can be driven, the continuity of movement may be implemented in the speed change for realizing bicycle, the clamping stagnation problem of traditional four-bar mechanism transmission is avoided, and is driven more reliable.This bicycle chain-putting mechanism and derailleur structure are simple, and the kind of drive is reliable, and motion process is not easy clamping stagnation occur.
Description
Technical field
Originally practical to be related to technical field of bicycles more particularly to a kind of bicycle chain-putting mechanism and bicycle chain puller.
Background technique
The rear chiain-moving device of bicycle is fitted on the rear chain stay of cycle frame, and the combination for installing with bicycle becomes
Fast gear matches, and stirs chain by rear chiain-moving device and engages with flywheel piece of different sizes, and then realizes the shift of bicycle
Speed change.In bicycle shift, shift cable is pulled by shift adjuster, deviates the chain guide on rear chiain-moving device, from
And chain is pushed to engage with the flywheel piece of different-diameter.The rear chiain-moving device of bicycle is mostly installed at mountain bike or highway certainly
In driving, meets the needs of people's movement.
Current bicycle chain-putting mechanism mostly uses greatly four-bar mechanism to carry out dialling chain speed change, and the kind of drive is single, whole to tie
Structure is relative complex.Since four-bar mechanism is mostly the structure riveted, so that in the driving four-bar mechanism movement of external shift cable, these
Riveting point is easy to appear clamping stagnation.And at present four-bar mechanism due to structure member it is more, required space during the motion is big, causes
Four-bar mechanism can only move out, therefore entire important driving part is all exposed.This kind of chain-putting mechanism is in bicycle
When accidentally falling vehicle, exposed four-bar mechanism is easy to break, and components is caused to deform.Due to these components and adjacent
Component is the connection relationship of riveting, so that deformed components can be stuck at riveting with adjacent component, so that entire four
Linkage can not carry out dialling chain movement.This kind of chain-putting mechanism is because structure is complicated, after inner components are destroyed, it is difficult to carry out
Replacement, user can only replace entire derailleur, and use cost is big.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, this it is practical provide that a kind of structure is simple, and the kind of drive is reliable, do not allow
Easily there is the bicycle chain-putting mechanism and derailleur of movement clamping stagnation.
Technical solution used by this practical its technical problem of solution are as follows:
A kind of bicycle chain-putting mechanism, comprising:
Base member is provided with guide part；
Wherein the guide direction of the guide part is along the laterally disposed of base member, and exists along rear axis line direction
Directional Decomposition amount；
Sliding component is mounted on guide part, can be moved with respect to base member along the guide direction of guide part；And
Chain component is dialled, is mounted on the side of sliding component, for being oriented to simultaneously tension chain.
As an improvement of the above technical solution, the guide part extends base member, and is tilted towards to the side of rear-wheel
Lower setting；The lower end of the guide part is provided with limited block；The guide direction of the guide part and the rotational axis line of flywheel group
In same plane, and it is parallel with the ipsilateral outer contour of flywheel group in the plane.
As an improvement of the above technical solution, the sliding component includes and the sliding part of guide part cooperation and installation
The side that sliding component is located at bicycle direction of advance is arranged in arm, installing arm；Chain component is dialled to be mounted in installing arm.
As an improvement of the above technical solution, the installing arm is provided with the first installation position and the second installation position, and described group
Chain component includes group chain frame for stirring chain and the chain frame for tension chain, and described group of chain frame is mounted on the first peace
It fills on position, a chain frame may be rotatably mounted on the second installation position, and the reset for resetting a chain frame is provided on the second installation position
Part.
As an improvement of the above technical solution, the upper end of described group of chain frame is provided with chain cable fairlead, the stretching of described chain frame
A sprocket wheel is provided on end, sprocket wheel and chain cable fairlead are engaged with chain；The rotational axis line one of the chain cable fairlead and sprocket wheel
It causes, and parallel with rear axis line.
As an improvement of the above technical solution, described chain erection is equipped with pivoted arm, and one end of the pivoted arm is provided with installation
Portion, the mounting portion may be rotatably mounted on the second installation position by the first rotation axis；The return unit is arranged in mounting portion,
One end of the return unit is connect with mounting portion, and the other end is connect with the second installation position；Described sprocket wheel, which may be rotatably mounted at, to be turned
On the other end of arm.
A kind of bicycle chain puller, including bicycle chain-putting mechanism and drive member, the drive member are arranged in base
On body component, sliding component can be forced to move on guide part.
As an improvement of the above technical solution, the drive member includes the guide wheel being mounted on base member, elastic component
And shift cable, one end of the elastic component are connect with base member, the other end is connect with sliding component, the shift cable it is defeated
Outlet connect around guide wheel and limited block with sliding component；Shift cable drive glide direction of the sliding component on guide part with
Elastic component forces glide direction of the sliding component on guide part opposite.
As an improvement of the above technical solution, the drive member includes the driving wheel that may be rotatably mounted on base member
Group, the turn-screw that sliding component can be driven to move on guide part and shift cable；The input terminal of the driving wheel group and change
The output end of fast line biases connection, and shift cable can drive driving wheel group to rotate；The output end and turn-screw of the driving wheel group
Input terminal connection.
As an improvement of the above technical solution, the driving wheel group includes master, transmission shaft and driving gear, the biography
Moving axis may be rotatably mounted on base member, be set with wind spring on the transmission shaft, one end of the wind spring and driving gear or
It is driven axis connection, the other end is connect with base member；Driving gear is mounted on transmission shaft on one end of turn-screw, and with
Turn-screw engagement；The master is mounted on the other end of transmission shaft, is provided on the master and is connected with speed change line output terminal
The center of rotation of the connection position connect, connection position and master biases setting.
This practical beneficial effect has:
Guide part is arranged in this chain-putting mechanism on base member；Sliding component can be slidably mounted on guide part, and dial chain
Component is mounted on sliding component, therefore sliding component will drive in the enterprising line slip of guide part and dial chain component along lateral fortune
It is dynamic, and then the flywheel of chain upper level or next stage bicycle can be driven, realize the speed change of bicycle.In this application,
Using the cooperation of guide part and sliding component, the continuity of movement may be implemented, avoid the clamping stagnation of traditional four-bar mechanism transmission
Problem, and be driven more reliable.Originally practical to additionally provide a kind of derailleur, it is provided in the derailleur for driving sliding
The drive member that component moves on guide part improves the sports coordination of entire derailleur.This bicycle chain-putting mechanism and
Derailleur structure is simple, and the kind of drive is reliable, and motion process is not easy clamping stagnation occur.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment is described further to originally practical, in which:
Fig. 1 is the mounting structure schematic diagram of derailleur in this practical first embodiment；
Fig. 2 is the structural schematic diagram one of derailleur in this practical first embodiment；
Fig. 3 is the structural schematic diagram two of derailleur in this practical first embodiment；
Fig. 4 is the structural schematic diagram three of derailleur in this practical first embodiment；
Fig. 5 is the cross-sectional view of a chain frame in this practical first embodiment；
Fig. 6 is the mounting structure schematic diagram of derailleur in this practical second embodiment；
Fig. 7 is the structural schematic diagram one of derailleur in this practical second embodiment；
Fig. 8 is the structural schematic diagram two of derailleur in this practical second embodiment；
Fig. 9 is the cross-sectional view of drive member in this practical second embodiment.
Specific embodiment
Referring to Fig. 1 and Fig. 6, bicycle includes vehicle frame 9, the first sprocket wheel, rear-wheel 5, hub spindle 7, flywheel group 8, selector, chain
Item 6 and chain-putting mechanism, vehicle frame 9 includes two the first rear forks and the second rear fork being oppositely arranged, after hub spindle 7 is mounted on first
Between fork and the second rear fork, hub shell is set on hub spindle 7, hub shell can be rotated around the axis and hub spindle 7 of hub spindle 7
Ground connection.Hub shell forms wheel by spoke and wheel rim, and flywheel group 8 is sleeved on the column foot that hub shell is connected, and flywheel
Group 8 is between hub shell and the first rear fork.The middle part of vehicle frame 9 is rotatably coupled the first chain of the axis rotation around itself
Wheel.Selector is mounted on the handle of vehicle frame 9, and shift cable navigates on vehicle frame 9, and one end is connect with selector output end, another
End is connect with chain-putting mechanism input terminal.
Wherein, flywheel group 8 is sleeved on the free wheel base being arranged on wheel load shell, and can uniaxially be revolved with free wheel base and wheel load shell
Turn, and flywheel group 8 is located at wheel load shell on one end of prong after the first of vehicle frame 9, and flywheel group 8 is located at the first rear fork and the
After two between prong.First sprocket wheel is rotationally connect with the middle part of vehicle frame 1 around the shaft of itself, chain 6 respectively with the first chain
It takes turns, the second sprocket wheel of flywheel group 8 is connected with derailleur.By by the setting of flywheel group 8 after first after prong and second prong it
Between, flywheel group 8 is located in vehicle frame 9, that is, after being located at first after prong and second between prong, so that vehicle frame 9 is to winged
Wheel group 8 is protected, and then flywheel group 8 is avoided to be located at outside vehicle frame 9, so that flywheel group 8 is not easy to be collided with.Hub spindle in order to prevent
7 skid off out of the first rear fork and the second rear fork, and the tail portion of the first rear fork and the second rear fork is provided with pintle.
Here is this practical explanation about chain-putting mechanism and derailleur specific structure
First embodiment
Referring to fig. 2 to Fig. 4, bicycle chain-putting mechanism provided in this embodiment, comprising: base member 1, sliding component 2 with
And dial chain component 3, wherein guide part 11 is provided on base member 1；Wherein the guide direction edge of the guide part 11 is laterally set
It sets, and there is the Directional Decomposition amount along 5 direction of axis line of rear-wheel, be simply interpreted as the guide direction of guide part 11 spatially
Specific direction, can be synthesized to obtain by vector on multiple points of directions, and in these direction vectors certainly exist with it is rear
Identical point of direction vector of 5 direction of axis line is taken turns, as long as foreign object moves on guide part 11, which can rise this and be moved
It separates one and parallel with 5 direction of axis line of rear-wheel divides direction vector.And sliding component 2 is mounted on guide part 11, it can be opposite
Base member 1 is moved along the guide direction of guide part 11；It dials chain component 3 to be mounted on the side of sliding component 2, for being oriented to simultaneously
Tension chain 6.Wherein, base member 1 is mounted on vehicle frame 9, and is located at this side of the first rear fork, for the ease of installing,
Base member 1 is preferably mounted on the junction of hub spindle 7 and the first rear fork by the present embodiment, in this way can be in order to by locking knot
Entire base member 1 be locked in the structure of bicycle by structure.Sliding component 2 internal can come on guide part 11
The power of movement can also be moved by external driving structure on guide part 11, and the motion mode of both types is only
Want to act on the relative motion situation of guide part 11 and sliding component 2 in the application.In this application, the guide part
11 guide direction and the rotational axis line of flywheel group 8 are in same plane, and the outer contour with flywheel group 8 in the plane
Need to illustrate in parallel, in this application in order to improve the sliding property of guide part 11, the guide direction of guide part 11 substantially with
The reduction direction of all flywheel piece diameters is parallel in coplanar interior flywheel group 8, since the guide part 11 in the application is that setting exists
The lower section of flywheel group 8,8 overall profile of flywheel group can be approximated to be the frustum outwardly protruded, therefore, the guiding of guide part 11
Direction is parallel with the reduction lower wheel profile in direction of all flywheel piece diameters.Chain component 3 is wherein dialled to move on guide part 11
When, it is every to adjust primary speed, it dials that distance is almost the same between chain component 3 and a corresponding flywheel piece, maintains between 6-7 millimeters,
It is above-mentioned to maintain essentially constant distance between the two, so that chain 6 is more easy to switch to different-diameter flywheel piece.
Certainly, in the present embodiment, base member 1 further includes fixed part 15 and pedestal 13, and fixed part 15 is arranged in pedestal
13 top is provided with mounting hole on fixed part 15, and fixed part 15 is sleeved on hub spindle 7 by mounting hole, and passes through locking
Nut is locked on hub spindle 7.Ladder platform is provided on the outside of mounting hole, such structure is convenient for the entire locking screw of accommodating
Mother realizes that the contracting of structure is received.Certainly, it for the ease of installation, is provided with and pintle phase contract in fixed part 15 close to the side of rear-wheel 5
The erecting bed 14 of conjunction, erecting bed 14 are directly against on pintle so that entire base member 1 can not relativeatoeterahub axis 7 rotate, this
It is very necessary for entire chain-putting mechanism.
Referring to figs. 2 and 3, in the present embodiment, guide part 11 is mounted on pedestal 13, and entire mechanism is important in order to prevent
Component is exposed, and the preferably described guide part 11 extends base member 1, and is arranged diagonally downward to the side of rear-wheel 5；The guiding
The lower end in portion 11 is provided with limited block 12.Certainly, during the installation process, guide part 11 can also not necessarily have to rear-wheel 5
Side be arranged diagonally downward, guide part 11 said before is simply by the presence of a Directional Decomposition along 5 direction of axis line of rear-wheel
Amount.About the specific direction of guide part 11, other than considering the structure of base member 1, it is also contemplated that bicycle it is whole with
Other specific offering question about guide part 11 is not discussed here in the structure of base member 1.About the specific of guide part 11
Structure, the application are preferably guide rod, and such selection is easy to process, and processing cost is low, and assembly is easy, and sliding component 2 and guiding
The mating part in portion 11 is just more simple, is opened in the guide hole of guide rod cooperation directly over.Certain guide part 11 can also
Think sliding rail, such sliding component 2 to the mating part of guide part 11 is just corresponding changes into sliding block, this can be according to specific
Production and use environment selected, be not intended to be limited to two kinds of situations above certainly in actual use certainly.And it limits
Position block 12 in the main function of the application is the movement travel for limit slippage component 2 on guide part 11 and sets, about
Limited block 12 on guide part 11 specific setting position and flywheel group 8 between maximum radius flywheel and the flywheel of least radius
Distance determine, be not discussed herein.
Referring to figs. 2 and 3, the sliding component 2 includes the sliding part 21 cooperated with guide part 11 and installing arm 22, peace
The side that sliding component 2 is located at bicycle direction of advance is arranged in dress arm 22, and group chain component 3 is mounted in installing arm 22 such
Design is so that dial chain component 3, it is easier to stir chain 6 and carry out with changing matched flywheel in flywheel group 8, certainly according to voluntarily
Vehicle and entire chain-putting mechanism it is different structure design, be also alternatively positioned in different directions.Wherein, the installing arm 22 is set
Be equipped with the first installation position 23 and the second installation position 24, described group of chain component 3 include for stir chain 6 dial chain frame 31 and
For the chain frame 32 of tension chain 6, described group of chain frame 31 is mounted on the first installation position 23, and a chain frame 32 may be rotatably mounted at
On second installation position 24, the return unit 33 for resetting a chain frame 32 is provided on the second installation position 24.It needs to illustrate herein
It is that installing arm 22 is a special-shaped structure, and the second installation position 24 forms a bent area relative to the first installation position 23, upper
In the set installation direction stated, the second installation position 24 is outwardly protruded compared to the first installation position 23, and such structure makes a chain frame
The active position of 32 pairs of chains 6, group chain frame 31, which are able to maintain the active position and chain 6 of chain 6, moves coplanar effect, should
Design is determined by the specific structure of chain frame 32, is hereafter illustrated, not tired here to state.Certainly this is different from some
The different designs of chain frame 31 and 32 structure of chain frame are dialled in application, it can be without using specifically setting about installing arm 22 in the application
Meter.In short, the specific design of installing arm 22, need to only guarantee a chain frame 32 to the active position of chain 6, dial chain frame 31 to chain 6
Active position and 6 transmission direction of chain be able to maintain movement it is coplanar.It should be noted that sliding component 2 is in guide part
Movement on 11 can be and carry out installation driving power on sliding component 2 oneself itself, be also possible to external actuator into
Row driving sliding component 2 is moved, as long as being able to achieve sliding component 2 is oppositely oriented the movement of portion 11.
Here is about the specific structure explanation for dialling chain frame 31, and the upper end of described group of chain frame 31 is provided with chain cable fairlead 34, institute
It states and is provided with a sprocket wheel 35 on an extension end for chain frame 32, sprocket wheel 35 and chain cable fairlead 34 are engaged with chain 6；The guide chain
Wheel 34 and open the rotational axis line of sprocket wheel 35 it is consistent, and with 5 axis parallel of rear-wheel.Due to dialling the process of chain, there are one for chain 6
Fixed amount of deflection problem, therefore chain frame 31 is dialled for the first installation position 23, it is easier to realize by the way of affixed and dials chain
Movement, and effect is more preferable.
Referring to fig. 4 and Fig. 5, and since chain 6 is when matching the flywheel piece of different diameters, it is inevitable because flywheel piece it is straight
Diameter changes and leads to the problem of amount of deflection, fixed in respect of chain frame 32 in order to enable the movement of entire chain 6 is steadily and orderly
Structure.Wherein, described chain frame 32 is provided with pivoted arm 321, and one end of the pivoted arm 321 is provided with mounting portion 322, the peace
Dress portion 322 may be rotatably mounted on the second installation position 24 by the first rotation axis 323；The return unit 33 is arranged in mounting portion
In 322, one end of the return unit 33 is connect with mounting portion 322, and the other end is connect with the second installation position 24；Described sprocket wheel
35 may be rotatably mounted on the other end of pivoted arm 321.Two coaxial arrangements can be simply interpreted as in mounting portion 322 and one end connects
The tube structure connect, and specific space between two cylinders primarily to installation return unit 33 structure, can keep away in this way
Exempt from damage of the outer goods to return unit 33, for no person during speed change, chain 6 can not be normally carried out adjusting elasticity.In order to
It prevents group chain process chain 6 from falling off from sprocket wheel 35, therefore is provided with a limit on the mounting structure outside sprocket wheel 35
Position frame 36, it is possible to prevente effectively from dialling chain frame 31 and sprocket wheel 35 in group chain process, chain 6 falls off from sprocket wheel 35.At this
In embodiment, return unit 33 is preferably wind spring, and a chain frame 32 can be kept to have the power of a torsion tension chain 6 in this way.
Referring to figs. 2 and 3, originally practical to provide a kind of bicycle chain puller, packet based on above-mentioned bicycle chain-putting mechanism
Above-mentioned bicycle chain-putting mechanism and drive member 4 are included, the drive member 4 is arranged on base member 1, can force sliding
Component 2 moves on guide part 11.Drive member 4 is used as a force piece, meets the above-mentioned fortune for dialling chain structure in this application
It is dynamic to require.
Wherein, the drive member 4 includes guide wheel 41A, elastic component 42A and the shift cable being mounted on base member 1,
One end of the elastic component 42A is connect with base member 1, and the other end is connect with sliding component 2, the output end of the shift cable around
Guide wheel 41A is crossed to connect with sliding component 2；Shift cable drives glide direction and elastic component 42A of the sliding component 2 on guide part 11
Force glide direction of the sliding component 2 on guide part 11 opposite.Of course for being easy to understand, shift cable with 42A pairs of elastic component
The concrete condition of glide direction of the sliding component 2 on guide part 11, the application are specifically described herein.If elastic component
When 42A is as a pressure spring, at this moment elastic component 42A is to force sliding component 2 to guide part to the active force of sliding component 2
11 lower end is slided, and in order to reach the function of adjusting, shift cable can only be guide part 11 to the active force of sliding component 2
Ionized motion, at this moment the output end of shift cable need to only be directly connected to around guide wheel 41A and sliding component 2.If elastic
When part 42A is as a tension spring, at this moment shift cable can only be downwards, at this moment for the ease of reality to 2 active force of sliding component
Such scheme is applied, a reverse wheel or commutation hole are set on the limited block 12 of 11 lower end of guide part, and shift cable can be with
The successively reverse wheel around guide wheel 41A and on limited block 12 or the connection of commutation 2 downside of Kong Zaiyu sliding component, in this way
When external selector twitches shift cable, shift cable can drive sliding component 2 to slide downwards.Certainly the tool about drive member 4
Body mode is not limited to the specific structure shown in the present embodiment.
Second embodiment
Referring to Fig. 6 to Fig. 9, in the present embodiment, provide a kind of bicycle chain puller, including bicycle chain-putting mechanism with
And drive member 4, the drive member 4 are arranged on base member 1, and sliding component 2 can be forced to move on guide part 11.
Wherein, the specific structure of bicycle and bicycle chain-putting mechanism is identical as specific structure in above-mentioned first embodiment, here no longer
It is tired to state, the another embodiment about drive member 4 is stressed here.
Referring to figs. 7 and 8, wherein the drive member 4 includes the driving wheel group that may be rotatably mounted on base member 1
41B, the turn-screw 42B that sliding component 2 can be driven to move on guide part 11 and shift cable；The driving wheel group 41B's
Input terminal and the biasing of the output end of shift cable connect, and shift cable can drive driving wheel group 41B to rotate；The driving wheel group 41B's
Output end is connect with turn-screw 42B input terminal.Of course for convenient for transmission, sliding part 21 and turn-screw on sliding component 2
The cooperation position of 42B is provided with screw rod bushing, utilizes the cooperation of screw set and turn-screw 42B in this way, can effectively drive sliding
Movement of the component 2 on guide part 11.And for the specific drive connection of turn-screw 42B and driving wheel group 41B, it can be skin
Band driving can also drive into gear.Preferred gear drive in the present embodiment moves relatively reliable in this way and stablizes.
Referring to Fig. 9, wherein based on above-mentioned described gear drive, the driving wheel group 41B includes master 411B, transmission
Axis 412B and driving gear 413B, the transmission shaft 412B may be rotatably mounted on base member 1, the transmission shaft 412B
On be set with wind spring 414B, one end of the wind spring 414B is connect with driving gear 413B or transmission shaft 412B, the other end and base
Body component 1 connects, and wherein transmission shaft 412B is mounted on pedestal 13, and for more containing structure, the lower part of pedestal 13 is provided with
The cavity for accommodating wind spring 414B can use driving gear 413B in this way and close the opening of the cavity, and then reaches protection
The purpose of wind spring 414B.Driving gear 413B be mounted on transmission shaft 412B on one end of turn-screw 42B, and with transmission
Lead screw 42B engagement；The master 411B is mounted on the other end of transmission shaft 412B, is provided with and is become on the master 411B
The center of rotation of the connection position 415B, connection position 415B and master 411B of fast line output terminal connection bias setting, can be in this way
Shift cable during twitch, can effectively drive master 411B to rotate, and then realize the rotation of turn-screw 42B.For
Convenient for being driven with driving gear 413B, the upper end of turn-screw 42B is provided with and the small tooth that drives gear 413B to engage
Wheel, can be effectively driven in this way.It, can also be in addition, master 411B is it is not absolutely required to the design as described in the present embodiment
The upper end transmission shaft 412B is provided with a swing arm, shift cable is connected in swing arm, as long as in short, shift cable and transmission shaft 412B
Center of rotation bias setting, can use in this way torque carry out drive transmission shaft rotation.
Guide part 11 is arranged in this chain-putting mechanism on base member 1；Sliding component 2 can be slidably mounted on guide part 11,
And it dials chain component 3 and is mounted on sliding component 2, therefore sliding component 2 will drive in 11 enterprising line slip of guide part and dial chain structure
Part 3 can drive the flywheel of 6 upper level of chain or next stage bicycle along lateral movement, realize the speed change of bicycle.
In this application, using the cooperation of guide part 11 and sliding component 2, the continuity of movement may be implemented, avoid traditional four bars
The clamping stagnation problem of mechanism driving, and be driven more reliable.Originally practical to additionally provide a kind of derailleur, it is arranged in the derailleur
There is the drive member 4 for driving sliding component 2 to move on guide part 11, improves the sports coordination of entire derailleur.
This bicycle chain-putting mechanism and derailleur structure are simple, and the kind of drive is reliable, and motion process is not easy clamping stagnation occur.
The above, only this practical better embodiment, but this it is practical be not limited to above-described embodiment, as long as
It reaches this practical technical effect with any same or similar means, all should belong to this practical protection scope.
Claims (10)
1. a kind of bicycle chain-putting mechanism characterized by comprising
Base member is provided with guide part；
Wherein the guide direction of the guide part is along the laterally disposed of base member, and exists along the direction in rear axis line direction
Decomposition amount；
Sliding component is mounted on guide part, can be moved with respect to base member along the guide direction of guide part；And
Chain component is dialled, is mounted on the side of sliding component, for being oriented to simultaneously tension chain.
2. a kind of bicycle chain-putting mechanism according to claim 1, it is characterised in that: the guide part extends matrix structure
Part, and be arranged diagonally downward to the side of rear-wheel；The lower end of the guide part is provided with limited block；The guiding side of the guide part
It is in same plane to the rotational axis line of flywheel group, and parallel with the ipsilateral outer contour of flywheel group in the plane.
3. a kind of bicycle chain-putting mechanism according to claim 1 or 2, it is characterised in that: the sliding component include with
The side that sliding component is located at bicycle direction of advance is arranged in the sliding part and installing arm, installing arm of guide part cooperation；It dials
Chain component is mounted in installing arm.
4. a kind of bicycle chain-putting mechanism according to claim 3, it is characterised in that: the installing arm is provided with the first peace
Position and the second installation position are filled, described group of chain component includes group chain frame for stirring chain and the chain for tension chain
Frame, described group of chain frame are mounted on the first installation position, and a chain frame may be rotatably mounted on the second installation position, are set on the second installation position
It is equipped with the return unit for resetting a chain frame.
5. a kind of bicycle chain-putting mechanism according to claim 4, it is characterised in that: the upper end of described group of chain frame is provided with
Chain cable fairlead is provided with a sprocket wheel on the extension end of described chain frame, and sprocket wheel and chain cable fairlead are engaged with chain；The chain cable fairlead
It is consistent and parallel with rear axis line with the rotational axis line of sprocket wheel.
6. a kind of bicycle chain-putting mechanism according to claim 5, it is characterised in that: described chain erection is equipped with pivoted arm,
One end of the pivoted arm is provided with mounting portion, and the mounting portion may be rotatably mounted on the second installation position by the first rotation axis；
The return unit is arranged in mounting portion, and one end of the return unit is connect with mounting portion, and the other end is connect with the second installation position；
Described sprocket wheel may be rotatably mounted on the other end of pivoted arm.
7. a kind of bicycle chain puller, which is characterized in that dial chain including being provided with bicycle described in any one of claims 1-6
Mechanism and drive member, the drive member are arranged on base member, sliding component can be forced to move on guide part.
8. a kind of bicycle chain puller according to claim 7, it is characterised in that: the drive member includes being mounted on base
Guide wheel, elastic component and shift cable on body component, one end of the elastic component are connect with base member, the other end and sliding structure
The output end of part connection, the shift cable connect around guide wheel and limited block with sliding component；Shift cable drives sliding component
Glide direction on guide part forces glide direction of the sliding component on guide part opposite with elastic component.
9. a kind of bicycle chain puller according to claim 7, it is characterised in that: the drive member includes rotatably pacifying
Driving wheel group on base member, the turn-screw that sliding component can be driven to move on guide part and shift cable；Institute
The output end biasing of the input terminal and shift cable of stating driving wheel group connects, and shift cable can drive driving wheel group to rotate；The driving
The output end of wheel group is connect with turn-screw input terminal.
10. a kind of bicycle chain puller according to claim 9, it is characterised in that: the driving wheel group includes master, passes
Moving axis and driving gear, the transmission shaft may be rotatably mounted on base member, and wind spring is set on the transmission shaft, described
One end of wind spring and driving gear or transmission axis connection, the other end are connect with base member；Driving gear is mounted on transmission shaft and leans on
On one end of nearly turn-screw, and engaged with turn-screw；The master is mounted on the other end of transmission shaft, on the master
It is provided with the connection position connecting with speed change line output terminal, the center of rotation biasing of connection position and master is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920033246.7U CN209683929U (en) | 2019-01-08 | 2019-01-08 | Bicycle chain-putting mechanism and bicycle chain puller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109703688A (en) * | 2019-01-08 | 2019-05-03 | 珠海迪瑞乐科技有限公司 | Bicycle chain-putting mechanism and bicycle chain puller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109703688A (en) * | 2019-01-08 | 2019-05-03 | 珠海迪瑞乐科技有限公司 | Bicycle chain-putting mechanism and bicycle chain puller |
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Effective date of registration: 20220124 Address after: 519000 factory building B-2, No. 8, Honghui fifth road, Shuanglin District, LIANGANG Industrial Zone, Zhuhai City, Guangdong Province Patentee after: ZHUHAI LTWOO CONTROLLER TECHNOLOGY CO.,LTD. Address before: 519000 unit a0210, block a, entrepreneurship building, Tsinghua Science Park (Zhuhai), No. 101, University Road, Tangjiawan Town, high tech Zone, Zhuhai, Guangdong Patentee before: ZHUHAI DIRUILE TECHNOLOGY Co.,Ltd. |
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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: 519000 factory building B-2, No. 8, Honghui fifth road, Shuanglin District, LIANGANG Industrial Zone, Zhuhai City, Guangdong Province Patentee before: ZHUHAI LTWOO CONTROLLER TECHNOLOGY CO.,LTD. |