CN107719573A - Bicycle chain puller mounting structure and bicycle - Google Patents
Bicycle chain puller mounting structure and bicycle Download PDFInfo
- Publication number
- CN107719573A CN107719573A CN201711160410.2A CN201711160410A CN107719573A CN 107719573 A CN107719573 A CN 107719573A CN 201711160410 A CN201711160410 A CN 201711160410A CN 107719573 A CN107719573 A CN 107719573A
- Authority
- CN
- China
- Prior art keywords
- chain
- bicycle
- wheel frame
- mounting bracket
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
- B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
- B62M9/121—Rear derailleurs
- B62M9/126—Chain guides; Mounting thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
- B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
- B62M9/121—Rear derailleurs
- B62M9/124—Mechanisms for shifting laterally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/16—Tensioning or adjusting equipment for chains, belts or the like
Abstract
The present invention provides a kind of bicycle chain puller mounting structure and bicycle, bicycle chain puller mounting structure, including cycle frame, cycle frame includes body and flower-drum rear axle, body has two the first chain stays being oppositely arranged, the second chain stay and two the first seat stays being oppositely arranged, the second seat stays, flower-drum rear axle is connected between the first chain stay and the second chain stay, wherein, cycle frame also includes derailleur, derailleur and axis connection after the first chain stay, the first seat stay or flower-drum, and derailleur is between the first chain stay and the second chain stay.And include the bicycle of the bicycle chain puller mounting structure.The bicycle chain puller mounting structure and bicycle are respectively provided with simple in construction, the advantages of being not easy by artificial destruction and being protected to bicycle chain puller.
Description
Technical field
The present invention relates to technical field of bicycles, is to be related to a kind of bicycle chain puller mounting structure and bag specifically
Include the bicycle of the bicycle chain puller mounting structure.
Background technology
Bicycle derailleur is fitted in after cycle frame on chain stay, is matched with the combination change-speed gearing of bicycle installation
Conjunction is stirred chain by rear chiain-moving device and engaged with gear of different sizes, realizes the shifted of bicycle.Become in bicycle
When fast, people are by promoting gear shift adjuster to pull bracing wire steel cable to make the bar linkage structure displacement of derailleur drive chain to be oriented to
Device is offset, so as to promote chain to be engaged from different gears.Bicycle derailleur is mostly installed at mountain bike or highway
On bicycle, meets the needs of people's motion.
But existing bicycle derailleur be arranged on cycle frame on when, be to be directly installed on vehicle
On the outside of the rear chain stay of frame so that bicycle derailleur is easily collided with or hit, particularly when there is falling car, after bicycle
Derailleur can directly be hit with ground, cause bicycle derailleur easily to damage, in addition, after existing bicycle
Derailleur is also easy to artificially be destroyed.
The content of the invention
In order to solve the above problems, the main object of the present invention be to provide it is a kind of it is simple in construction, be not easy by artificial destruction and
The bicycle chain puller mounting structure that bicycle chain puller can be protected.
It is a further object of the present invention to provide it is a kind of it is simple in construction, be not easy by artificial destruction and can be to bicycle chain puller
The bicycle protected.
In order to realize the main object of the present invention, the present invention provides a kind of bicycle chain puller mounting structure, including voluntarily
Vehicle carriage, cycle frame include body and flower-drum rear axle, body have two the first chain stays being oppositely arranged, the second chain stay and
Two the first seat stays being oppositely arranged, the second seat stays, flower-drum rear axle are connected between the first chain stay and the second chain stay, wherein, from
Driving vehicle frame also includes derailleur, derailleur and axis connection after the first chain stay, the first seat stay or flower-drum, and derailleur is located at first
Between chain stay and the second chain stay.
Therefore derailleur component is arranged between the first chain stay of body and the second chain stay, it can avoid dialling chain
Device assembly is directly exposed to this in vitro, so as to effectively be protected to derailleur component, prevents that derailleur component from being knocked
Touch or hit, particularly when there is falling car, derailleur component can be avoided directly to be hit with ground, prevent derailleur group
Part damages, in addition, passing through the structure design to the cycle frame so that derailleur is not easy artificially to be destroyed, can
See, the bicycle chain puller mounting structure have it is simple in construction, be not easy by artificial destruction and bicycle chain puller can be carried out
The advantages of protection.
One preferable scheme is that derailleur includes fixed mount, wobble component and stretching unit, and fixed mount is connected to first
Chain stay, the first seat stay or flower-drum rear axle, wobble component are hinged between fixed mount and stretching unit, and stretching unit is in flower-drum rear axle
Cone pulley each sprocket wheel between move.
Therefore derailleur is used to control the chain of bicycle and engaging for each sprocket wheel on cone pulley, and tensioning is set
Unit can ensure that chain can also keep enough tensile forces, enter when chain sprocket wheel different from cone pulley is engaged
And prevent that chain from coming off in the process of running, reduce the fault rate in bicycle running.And wobble component can make
Stretching unit carries out the swing of certain angle with respect to cone pulley, and then enable stretching unit according on chain and cone pulley not
The position of engagement with sprocket wheel adjusts the relative position of itself and cone pulley, and then avoids chain from being distorted, and further prevents chain
Come off in operation.
Further scheme is that stretching unit includes coupking shaft, the first mounting bracket, the first guide wheel assembly and the first elasticity
Part, the first mounting bracket are hinged with wobble component, and coupking shaft passes through the first mounting bracket, axial direction of the coupking shaft along itself and first
Mounting bracket is slidably connected, and the first guide wheel assembly includes the first guide wheel and the first wheel frame, axle of first guide wheel around itself
Line is rotatably coupled with the first wheel frame, and axial direction of first wheel frame along coupking shaft slideably connects with the first mounting bracket
Connect, and the first wheel frame can be moved relatively or contrarily cone pulley, the adjoining of coupking shaft and the first wheel frame, the first elastic component is connected to the
Between one wheel frame and the first mounting bracket, and the first elastic component and coupking shaft are located at the both sides of the first wheel frame respectively.
Therefore the guide wheel of guide wheel assembly is used to be engaged with bicycle chain, and guide wheel assembly can pass through
Wheel frame enters line slip relative to the first mounting bracket, and the first elastic component is slided for providing guide wheel assembly with respect to the first mounting bracket
Dynamic required pretightning force so that bicycle chain stretcher need not carry out adjustment during long-term use, and also ensure certainly
The stable operation of driving chain tensioning device.In addition, the wheel frame of guide wheel assembly is also prevented from bicycle chain in running
In come off, reduce the fault rate of bicycle chain stretcher, and the portability ridden of lifting.And coupking shaft is set so that
The pretightning force of elastic component can be adjusted for coupking shaft, so as to disclosure satisfy that different user group's derived from driving chain tensioning device
Demand.
Further scheme is, the first mounting bracket is provided with stopper slot along the axially extending of coupking shaft, and first leads
Wheel assembly also includes guide wheel shaft, and guide wheel shaft passes through the first guide wheel and the first wheel frame, and the end of guide wheel shaft is located in stopper slot.
Therefore guide wheel shaft is set so that guide wheel can be arranged on wheel frame by guide wheel shaft, and in the first installation
First stopper slot is set on support and the first end of guide wheel shaft is located in the first stopper slot, wheel frame can be made relatively reliable
Relative first mounting bracket enter line slip, and position-limiting action is played to wheel frame, prevents wheel frame and the first mounting bracket hair
It is raw to depart from, and prevent bicycle chain from coming off in the process of running, it reduce further fault rate.
Another preferable scheme is that stretching unit includes the second mounting bracket, the second guide wheel assembly and the second elastic component,
Second mounting bracket is hinged with wobble component, and the second guide wheel assembly includes the second wheel frame and two the second guide wheels, the second guide wheel
Frame is hinged with the second mounting bracket, and the second wheel frame relatively or contrarily cone pulley can be swung, and two the second guide wheels are rotating around itself
Axis be rotatably coupled with the second wheel frame, and two the second guide wheels respectively be located at the second wheel frame both ends, the second bullet
Property part is connected between the second mounting bracket and the second wheel frame.
Therefore second mounting bracket be hinged with wobble component so that the second mounting bracket being capable of opposing oscillatory component
Swung, and then adjust the relative position between two the second guide wheels and chain in the second mounting bracket, and the second elasticity
Part is used to reset the second mounting bracket so that the second guide wheel assembly can be according to chain sprocket wheel different from cone pulley
The position of engagement adjusts the relative position of itself and cone pulley, and then enables chain to have enough pretightning forces, avoids chain from existing
Come off in running.
Further scheme is that the first chain stay has chain stay contact pin, and chain stay contact pin is connected with fixed mount.
Therefore by setting chain stay contact pin so that derailleur component can have more preferable installation site and installation
Space.
In order to realize another object of the present invention, the present invention provides a kind of bicycle, and bicycle includes a bicycle and dials chain
Device mounting structure, bicycle chain puller mounting structure include cycle frame, and cycle frame includes body and flower-drum rear axle, this
Body has two the first chain stays being oppositely arranged, the second chain stay and two the first seat stays being oppositely arranged, the second seat stays, after flower-drum
Axis connection between the first chain stay and the second chain stay, wherein, cycle frame also includes derailleur, derailleur and the first chain stay,
Axis connection after first seat stay or flower-drum, and derailleur is between the first chain stay and the second chain stay.
Further scheme is that derailleur includes fixed mount, wobble component and stretching unit, and it is flat that fixed mount is connected to first
Fork, the first seat stay or flower-drum rear axle, wobble component are hinged between fixed mount and stretching unit, and stretching unit is in flower-drum rear axle
Moved between each sprocket wheel of cone pulley.
One preferable scheme is that stretching unit includes coupking shaft, the first mounting bracket, the first guide wheel assembly and the first bullet
Property part, the first mounting bracket is hinged with wobble component, and coupking shaft passes through the first mounting bracket, axial direction of the coupking shaft along itself and the
One mounting bracket is slidably connected, and the first guide wheel assembly includes the first guide wheel and the first wheel frame, the first guide wheel around itself
Axis is rotatably coupled with the first wheel frame, and axial direction of first wheel frame along coupking shaft slideably connects with the first mounting bracket
Connect, and the first wheel frame can be moved relatively or contrarily cone pulley, the adjoining of coupking shaft and the first wheel frame, the first elastic component is connected to the
Between one wheel frame and the first mounting bracket, and the first elastic component and coupking shaft are located at the both sides of the first wheel frame respectively.
Another preferable scheme is that stretching unit includes the second mounting bracket, the second guide wheel assembly and the second elastic component,
Second mounting bracket is hinged with wobble component, and the second guide wheel assembly includes the second wheel frame and two the second guide wheels, the second guide wheel
Frame is hinged with the second mounting bracket, and the second wheel frame relatively or contrarily cone pulley can be swung, and two the second guide wheels are rotating around itself
Axis be rotatably coupled with the second wheel frame, and two the second guide wheels respectively be located at the second wheel frame both ends, the second bullet
Property part is connected between the second mounting bracket and the second wheel frame.
Therefore derailleur component is arranged between the first chain stay of body and the second chain stay, it can avoid dialling chain
Device assembly is directly exposed to this in vitro, so as to effectively be protected to derailleur component, prevents that derailleur component from being knocked
Touch or hit, particularly when there is falling car, derailleur component can be avoided directly to be hit with ground, prevent derailleur group
Part damages.Derailleur is used to control the chain of bicycle and engaging for each sprocket wheel on cone pulley, and sets stretching unit energy
Enough ensure when chain sprocket wheel different from cone pulley is engaged, chain can also keep enough tensile forces, and then prevent
Chain comes off in the process of running, reduces the fault rate in bicycle running.And wobble component enables to be tensioned
Unit carries out the swing of certain angle with respect to cone pulley, and then enables stretching unit according to chain sprocket wheel different from cone pulley
The position of engagement adjust the relative position of itself and cone pulley, and then avoid chain from being distorted, further prevent sprocket wheel from running
In come off.In addition, pass through the structure design to cycle frame so that derailleur is not easy artificially to be destroyed, it is seen then that
The bicycle has the advantages of simple in construction, to be not easy by artificial destruction and can be protected to bicycle chain puller.
Brief description of the drawings
Fig. 1 is the local structural graph after the clipped component of bicycle first embodiment of the present invention.
Fig. 2 is the local structural graph after another clipped component of bicycle first embodiment of the present invention.
Fig. 3 is the structure chart after the clipped component of the derailleur of bicycle first embodiment of the present invention.
Fig. 4 is the sectional view after the clipped component of the derailleur of bicycle first embodiment of the present invention.
Fig. 5 is the structure chart of the derailleur of bicycle first embodiment of the present invention.
Fig. 6 is the structure chart after the clipped component of bicycle 3rd embodiment of the present invention.
Fig. 7 is the structure chart of the derailleur of bicycle fourth embodiment of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Bicycle first embodiment：
Referring to Figures 1 and 2, bicycle 100 includes a bicycle chain puller mounting structure, wheel 101 and chain 102, and this is voluntarily
Car derailleur mounting structure includes cycle frame 10, and cycle frame 10 includes body 1, flower-drum rear axle 2 and derailleur 3.This
Body 1 has two the first chain stays 11 being oppositely arranged, the second chain stay 12 and two the first seat stay 13, the second seat stays being oppositely arranged
14, flower-drum rear axle 2 is connected between the first chain stay 11 and the second chain stay 12, and flower-drum rear axle 2 forms wheel by spoke and wheel rim
101, one end of flower-drum rear axle 2 is provided with cone pulley 103, and cone pulley 103 is between the first chain stay 11 and the second chain stay 12.
Derailleur 3 is fixedly connected with the first chain stay 11, and derailleur 3 is between the first chain stay 11 and the second chain stay 12.
Preferably, the first chain stay 11 has chain stay contact pin 111, and chain stay contact pin 111 is located at the connection of the first chain stay 11 and the first seat stay 13
Place.Chain stay contact pin 111 is set to enable to derailleur 3 that there is more preferable installation site and installing space.And derailleur 3 is set
Between the first chain stay 11 and the second chain stay 12 of the body 1 of cycle frame 10, derailleur 3 can be avoided to be directly exposed to this
Outside body 1, so as to effectively be protected to derailleur 3, prevent derailleur from being collided with or hit, ought particularly occur falling car
When, derailleur 3 can effectively avoid directly being hit with bottom surface, prevent derailleur 3 from damaging, in addition, by this from
The design of driving derailleur mounting structure, additionally it is possible to so that derailleur 3 is not easy artificially to be destroyed.
Specifically, reference picture 3 to Fig. 5, derailleur 3 includes fixed mount 31, wobble component 32 and stretching unit 4.Fixed mount
31 are fixedly connected with the first chain stay 11, it is preferable that fixed mount 31 is fixedly connected with chain stay contact pin 111.Wobble component 32 includes connecting
Bar 321 and connecting rod 322, the first end and fixed mount 31 of connecting rod 321 are be hinged, and the second end of connecting rod 321 and stretching unit 4 are be hinged,
The first end of connecting rod 322 is be hinged with fixed mount 31, and the second end of connecting rod 322 and stretching unit 4 are be hinged, and stretching unit 4 is in flower
Moved between the sprocket wheel of the cone pulley 103 of drum rear axle 2.Wherein, shape between connecting rod 321, connecting rod 322, fixed mount 31 and stretching unit 4
Into the four-bar linkage of a parallelogram.
Derailleur 3 is used to controlling the chain 102 of bicycle 100 to be engaged with 103 each sprocket wheel on cone pulley, and sets and be tensioned
Unit 4 can ensure that chain 102 can also keep enough when the sprocket wheel different from cone pulley 103 of chain 102 is engaged
Tensile force, and then prevent chain 102 from coming off in the process of running, reduce the fault rate in the running of bicycle 100.And
Wobble component 32 enables to stretching unit 4 to carry out the swing of certain angle with respect to cone pulley 103, and then enables stretching unit 4
Enough relative positions that itself and cone pulley 103 are adjusted according to the position of engagement of the sprocket wheel different from cone pulley 103 of chain 102, and then
Avoid chain 102 from being distorted, further prevent chain 102 from coming off in operation.
Specifically, stretching unit 4 includes coupking shaft 41, the first mounting bracket 42, the first guide wheel assembly 43 and the first elasticity
Part 44.Wherein, the second end with connecting rod 321, the second end of connecting rod 322 are hinged the first mounting bracket 42 respectively.First guide wheel group
Part 43 includes the first guide wheel 431, the first wheel frame 432 and guide wheel shaft 433, and the first guide wheel 431 is led around the axis of itself and first
Wheel carrier 432 is rotatably coupled, and chain 102 respectively with a sprocket engagement on guide wheel 431, cone pulley 103.Specifically, lead
Wheel shaft 433 passes through the first guide wheel 431 and the first wheel frame 432, and the first guide wheel 431 is arranged on guide wheel shaft 433 so that first leads
Wheel 431 can rotate around the axis of itself on guide wheel shaft 433.Preferably, the axis and the first wheel frame of the first guide wheel 431
The distance between 432 first end H is more than the distance between the axis of the first guide wheel 431 and the second end of the first wheel frame 432
The distance between h, the i.e. top of the first guide wheel 431 and the first wheel frame 432 are more than the first guide wheel 431 and the first wheel frame 432
The distance between bottom.It can be seen that pass through the setting to the first guide wheel 431 and the relative position of the first wheel frame 432, Neng Gouyou
The volume of the reduction stretching unit 4 of effect, and then reduce the installing space needed for stretching unit 4, and facilitate chain 102 and first
Guide wheel 431 engages.
Coupking shaft 41 passes through the first mounting bracket 42, and axial direction of the coupking shaft 41 along itself can be slided with the first mounting bracket 42
Connect dynamicly.Preferably, coupking shaft 41 is threadedly coupled with the first mounting bracket 42.Axle of first wheel frame 432 along coupking shaft 41
It is slidably connected to the first mounting bracket 42, and the end of coupking shaft 41 abuts with the first wheel frame 432.Specifically,
One mounting bracket 42 is provided with the first stopper slot 421, the guide wheel of the first guide wheel assembly 43 along the axially extending of coupking shaft 41
The end of axle 433 is located in the first stopper slot 421.By setting the first stopper slot 421 in the first mounting bracket 42 and making to lead
The end of wheel shaft 433 is located in the first stopper slot 421, enables to relative first installation that the first wheel frame 432 is relatively reliable
Support 42 enters line slip, and plays position-limiting action to the first wheel frame 432, prevents the first wheel frame 432 and the first mounting bracket
42 depart from, and prevent chain 102 from coming off in the process of running, reduce further fault rate.
Preferable scheme is, axial direction of first mounting bracket 42 along coupking shaft 41 is additionally provided with the second stopper slot 422, and the
One wheel frame 432 is provided with limited post 4322 with extending towards the second stopper slot 422, and limited post 4322 is located at the second stopper slot
In 422.It can be seen that limited by setting the second stopper slot 422 in the first mounting bracket 42 and being set on the first wheel frame 432
Position post 4322, and limited post 4322 is located in the second stopper slot 422, the first wheel frame 432 and first can be further ensured that
Slidable connection between mounting bracket 42, and position-limiting action further is played to the first wheel frame 432, prevent the first wheel frame
432 rotate in moving process with respect to the first mounting bracket 42, ensure the reliability of the work of stretching unit 4, further
Reduce fault rate.Preferably, the extended line of the first stopper slot 421 and the second stopper slot 422 is located on same line, and the first limit
Position groove 421 is identical with the physical dimension of the second stopper slot 422.
Between first elastic component 44 is connected to 42 between the first wheel frame 432 and the first installation, and the He of the first elastic component 44
Coupking shaft 41 is located at the both sides of the first wheel frame 432 respectively.Specifically, the first wheel frame 432 is in the side away from coupking shaft 41
Location division 4321 is provided with, the first mounting bracket 42 is provided with limiting section 423, and location division towards the extension of location division 4321
4321 are set with the coaxial line of limiting section 423, and the both ends of the first elastic component 44 are connected with location division 4321 and limiting section 423 respectively.
First elastic component 44 is used for 43 relative first mounting bracket 42 of the first guide wheel assembly of raising and slides required pretightning force so that dials chain
Device 3 need not carry out adjustment during long-term use, and also ensure the stable operation of derailleur 3.And in the first wheel frame 432
Upper setting location division 4321 and the setting limiting section 423 in the first mounting bracket 42, can determine the first elastic component 44
Position, prevent that the first elastic component 44 departs from and the first wheel frame 432, first mounting bracket 42 stretching unit 4 in use
Connection, ensure the reliability of the work of derailleur 3.In addition, the first wheel frame 432 of the first guide wheel assembly 43 is also prevented from chain
Bar 102 comes off in the process of running, reduces the fault rate of derailleur 3, and the portability that lifting is ridden.And coupking shaft is set
41 so that the pretightning force of the first elastic component 44 can be adjusted for coupking shaft 41, to cause derailleur 3 to disclosure satisfy that different use
The demand of family group.
In addition, elastic component 333 and/or wobble component 32 are provided between the mounting bracket 42 of wobble component 32 and first with consolidating
Determine to be provided with elastic component 333 between frame 31, the swing that elastic component 333 is used for stretching unit 4 resets, and then causes tensioning
Unit 4 can the position of engagement of different sprocket wheels adjusts the relative position of itself and cone pulley 103 from cone pulley 103 according to chain 102
Put, ensure the tensile force of chain 102, improve the reliability connected between chain 102 and cone pulley 103.
Bicycle second embodiment：
Using the inventive concept of bicycle first embodiment, the difference of bicycle second embodiment and first embodiment is
The derailleur of second embodiment is fixedly connected with the first seat stay, and derailleur is between the first chain stay and the second chain stay.
Bicycle 3rd embodiment：
As shown in fig. 6, using the inventive concept of bicycle first embodiment, bicycle 3rd embodiment and first embodiment are not
The derailleur 5 for being 3rd embodiment with part is fixedly connected with flower-drum rear axle 20, and derailleur 5 is located at the first chain stay and second
Between chain stay.
Bicycle fourth embodiment：
As shown in fig. 7, simultaneously reference picture 6, using the inventive concept of bicycle first embodiment, the present embodiment and first embodiment
Difference is that the derailleur 5 of the present embodiment includes fixed mount 51, wobble component 52 and stretching unit 6.
Fixed mount 51 is fixedly connected with flower-drum rear axle 20, and a pair of shift cables are provided with fixed mount 51 and carry out spacing wire casing
511, in addition, be additionally provided with fixed mount 51 for auxiliary variable speed line transmission guide wheel 512, guide wheel 512 around the axis of itself with
The body of fixed mount 51 is rotatably coupled.Wire casing is provided with guide wheel 512, it is preferable that on the projecting direction of fixed mount 51,
The wire casing of guide wheel 512 is with wire casing 511 on same line.
Wobble component 52 includes connecting rod 521 and connecting rod 522, and the first end and fixed mount 51 of connecting rod 521 are be hinged, connecting rod 521
The second end and stretching unit 6 it is be hinged, the first end and fixed mount 51 of connecting rod 522 are be hinged, and the second end of connecting rod 522 and tensioning are single
Member 6 is be hinged, and stretching unit 6 moves between the sprocket wheel of the cone pulley of flower-drum rear axle 20.Wherein, connecting rod 521, connecting rod 522, fixation
The four-bar linkage of a parallelogram is formed between frame 51 and stretching unit 6.In addition, in connecting rod 521 and connecting rod 522
One is provided with fixation kit 520, and fixation kit 520 is used to shift cable one end be fixed so that shift cable can lead to
Crossing guide wheel pulls wobble component to be swung, and then adjusts the relative position of stretching unit 6 and the cone pulley of flower-drum rear axle 20, and then
Chain sprocket wheel different from cone pulley is engaged.
Stretching unit 6 includes the second mounting bracket 61, the second guide wheel assembly 62 and the second elastic component 63.Wherein, the second peace
Filling support 61, the second end with connecting rod 521, the second end of connecting rod 522 are hinged respectively.Second guide wheel assembly 62 includes two second
The wheel frame 622 of guide wheel 621 and second, the second wheel frame 622 and the second mounting bracket 61 are be hinged, and the second wheel frame 622 can phase
Pair or opposite or cone pulley swing.Two the second guide wheels 621 rotationally connect rotating around the axis of itself and the second wheel frame 622
Connect, and two the second guide wheels 621 are located at the both ends of the second wheel frame 622 respectively.Second elastic component 63 is connected to the second installation branch
Between the wheel frame 622 of frame 61 and second.
Second mounting bracket 61 is be hinged with wobble component 52 so that the second mounting bracket 61 can opposing oscillatory component 52 enter
Row is swung, and then adjusts the relative position between two the second guide wheels 621 and chain in the second mounting bracket 61, and the second bullet
Property part 63 be used to reset the second mounting bracket 61 so that the second guide wheel assembly 62 can according on chain and cone pulley not
The position of engagement with sprocket wheel adjusts the relative position of itself and cone pulley, and then enables chain to have enough pretightning forces, keeps away
Exempt from chain to come off in the process of running.
In addition, elastic component 523 and/or wobble component 52 are provided between the mounting bracket 61 of wobble component 52 and second with consolidating
Determine to be provided with elastic component 523 between frame 51, the swing that elastic component 523 is used for stretching unit 6 resets, and then causes tensioning
Unit 6 can adjust the relative position of itself and cone pulley according to the position of engagement of chain sprocket wheel different from cone pulley, ensure chain
The tensile force of bar, improve the reliability connected between chain and cone pulley.
Furthermore, it is necessary to explanation, the derailleur 50 in above-mentioned fourth embodiment can be used for replacing first embodiment to the
Derailleur 3 in three embodiments.
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. bicycle chain puller mounting structure, including cycle frame, the cycle frame includes body and flower-drum rear axle, institute
Body is stated with two the first chain stays being oppositely arranged, the second chain stay and two the first seat stays being oppositely arranged, the second seat stays, institute
Flower-drum rear axle is stated to be connected between first chain stay and second chain stay, it is characterised in that：
The cycle frame also includes derailleur, the derailleur and first chain stay, first seat stay or the flower
Axis connection after drum, and the derailleur is between first chain stay and second chain stay.
2. bicycle chain puller mounting structure according to claim 1, it is characterised in that：
The derailleur includes fixed mount, wobble component and stretching unit, and the fixed mount is connected to first chain stay, described
First seat stay or the flower-drum rear axle, the wobble component are hinged between the fixed mount and the stretching unit, described
Tight unit moves between each sprocket wheel of the cone pulley of the flower-drum rear axle.
3. bicycle chain puller mounting structure according to claim 2, it is characterised in that：
The stretching unit includes coupking shaft, the first mounting bracket, the first guide wheel assembly and the first elastic component, first installation
Support is hinged with the wobble component, and the coupking shaft passes through first mounting bracket, axial direction of the coupking shaft along itself
It is slidably connected with first mounting bracket, first guide wheel assembly includes the first guide wheel and the first wheel frame, described
First guide wheel is rotatably coupled around the axis of itself and first wheel frame, and first wheel frame is along the coupking shaft
It is axial to be slidably connected with first mounting bracket, and first wheel frame can be moved relatively or contrarily the cone pulley,
The coupking shaft abuts with first wheel frame, and first elastic component is connected to first wheel frame and first peace
Between filling support, and first elastic component and the coupking shaft are located at the both sides of first wheel frame respectively.
4. bicycle chain puller mounting structure according to claim 3, it is characterised in that：
First mounting bracket is provided with stopper slot along the axially extending of the coupking shaft；
First guide wheel assembly also includes guide wheel shaft, and the guide wheel shaft passes through first guide wheel and first wheel frame,
And the end of the guide wheel shaft is located in the stopper slot.
5. bicycle chain puller mounting structure according to claim 2, it is characterised in that：
The stretching unit includes the second mounting bracket, the second guide wheel assembly and the second elastic component, second mounting bracket with
The wobble component is hinged, and second guide wheel assembly includes the second wheel frame and two the second guide wheels, second wheel frame
It is hinged with second mounting bracket, and second wheel frame relatively or contrarily the cone pulley can be swung, two described second
Guide wheel is rotatably coupled rotating around the axis of itself and second wheel frame, and two second guide wheels are located at institute respectively
The both ends of the second wheel frame are stated, second elastic component is connected between second mounting bracket and second wheel frame.
6. the bicycle chain puller mounting structure according to any one of claim 2 to 5, it is characterised in that：
First chain stay has chain stay contact pin, and the chain stay contact pin is connected with the fixed mount.
7. bicycle, the bicycle includes a bicycle chain puller mounting structure, the bicycle chain puller mounting structure bag
Include cycle frame, the cycle frame includes body and flower-drum rear axle, the body have two be oppositely arranged first
The first seat stay that chain stay, the second chain stay and two are oppositely arranged, the second seat stay, the flower-drum rear axle are connected to first chain stay
Between second chain stay, it is characterised in that：
The cycle frame also includes derailleur, the derailleur and first chain stay, first seat stay or the flower
Axis connection after drum, and the derailleur is between first chain stay and second chain stay.
8. bicycle according to claim 7, it is characterised in that：
The derailleur includes fixed mount, wobble component and stretching unit, and the fixed mount is connected to first chain stay, described
First seat stay or the flower-drum rear axle, the wobble component are hinged between the fixed mount and the stretching unit, described
Tight unit moves between each sprocket wheel of the cone pulley of the flower-drum rear axle.
9. bicycle according to claim 8, it is characterised in that：
The stretching unit includes coupking shaft, the first mounting bracket, the first guide wheel assembly and the first elastic component, first installation
Support is hinged with the wobble component, and the coupking shaft passes through first mounting bracket, axial direction of the coupking shaft along itself
It is slidably connected with first mounting bracket, first guide wheel assembly includes the first guide wheel and the first wheel frame, described
First guide wheel is rotatably coupled around the axis of itself and first wheel frame, and first wheel frame is along the coupking shaft
It is axial to be slidably connected with first mounting bracket, and first wheel frame can be moved relatively or contrarily the cone pulley,
The coupking shaft abuts with first wheel frame, and first elastic component is connected to first wheel frame and first peace
Between filling support, and first elastic component and the coupking shaft are located at the both sides of first wheel frame respectively.
10. bicycle according to claim 8, it is characterised in that：
The stretching unit includes the second mounting bracket, the second guide wheel assembly and the second elastic component, second mounting bracket with
The wobble component is hinged, and second guide wheel assembly includes the second wheel frame and two the second guide wheels, second wheel frame
It is hinged with second mounting bracket, and second wheel frame relatively or contrarily the cone pulley can be swung, two described second
Guide wheel is rotatably coupled rotating around the axis of itself and second wheel frame, and two second guide wheels are located at institute respectively
The both ends of the second wheel frame are stated, second elastic component is connected between second mounting bracket and second wheel frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160410.2A CN107719573B (en) | 2017-11-20 | 2017-11-20 | Bicycle derailleur mounting structure and bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160410.2A CN107719573B (en) | 2017-11-20 | 2017-11-20 | Bicycle derailleur mounting structure and bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107719573A true CN107719573A (en) | 2018-02-23 |
| CN107719573B CN107719573B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711160410.2A Active CN107719573B (en) | 2017-11-20 | 2017-11-20 | Bicycle derailleur mounting structure and bicycle |
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| CN (1) | CN107719573B (en) |
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| FR771557A (en) * | 1933-07-08 | 1934-10-12 | Chain shifting gear change device for cycles | |
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| KR20150008790A (en) * | 2013-07-15 | 2015-01-23 | 김순곤 | bicycle derailleur |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107719573B (en) | 2023-05-05 |
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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 Applicant 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 Applicant before: ZHUHAI LTWOO CONTROLLER TECHNOLOGY CO.,LTD. |
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