CN107284600A - Electronic front chain mover - Google Patents
Electronic front chain mover Download PDFInfo
- Publication number
- CN107284600A CN107284600A CN201610193985.3A CN201610193985A CN107284600A CN 107284600 A CN107284600 A CN 107284600A CN 201610193985 A CN201610193985 A CN 201610193985A CN 107284600 A CN107284600 A CN 107284600A
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- China
- Prior art keywords
- gear
- tooth
- rack
- installation portion
- axle
- 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.)
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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
- B62M9/131—Front derailleurs
- B62M9/132—Front derailleurs electrically or fluid actuated; Controls 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
- B62M9/131—Front derailleurs
- B62M9/138—Accessories, e.g. protectors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention discloses a kind of electronic front chain mover, including：One support member is arranged at the vehicle frame of a bicycle, it has one first installation portion and one second installation portion, one driver element, it is arranged at first installation portion, to drive a worm screw to rotate, one first gear unit, it has an at least travelling gear and is arranged at first installation portion, driven by the worm screw and then be driven travelling gear rotation, one second gear unit, it includes a rack, one connecting rod and a swing component, the rack engages with the travelling gear and is movably arranged at second installation portion, the connecting rod is articulated in the rack with its one end, and the swing component is articulated in the other end, one group of chain element has the first articulated section, second articulated section and one group of chain portion, first articulated section, second articulated section is articulated in the swing component, this group of chain portion is to stir chain movement, derailleur is stuck when increase strength buffer gear is to prevent that stress from hitting whereby or loses precisely.
Description
Technical field
The present invention relates to the front chain mover of bicycle, more particularly to one kind is avoided that dialling chain element is hit, power passback
Transmission mechanism causes deformation to walk, and causes speed change stuck or the electronic front chain mover of out-of truth.
Background technology
Bicycle front derailleur is installed on the frame tube of bicycle, operate speed change when can by the front chain mover,
Bicycle chain is moved on on the chain fluted disc of target, is the very universal configuration of current bicycle, especially to reach speed change purpose
It is that DYN dynamic derailleur has gradually replaced tradition to stir mode with hand group control cable.
Existing bicycle front derailleur, referring to U.S. Patent No. US6648782 B2 " is used for bicycle and dials chain actuating
Drive device " such as Fig. 1, it includes the hook-shaped swing arm 6 of the folder 3 of the annular of a fixed support body 2, one, a front fork unit 5, one
And a connecting rod 6a.The fixed support body 2 is looped around on the tubular frame of bicycle 4 by means of the annular folder 3, and is worn using a screw
The two ends of folder 3 make to be fixed on the tubular frame of bicycle 4, and the fixed support body 2 is worn by means of a stud shaft 10 to be connect the swing arm 6 and fixed with this
The centre position of supporter 2, makes the swing arm 6 be articulated in the fixed support body 2, and one end of the swing arm 6 is downwards with another stud shaft 11
The front fork unit 5 is pivotally connected, the front fork unit 5 is the opening down dead slot taken the shape of the letter U, the dead slot provides a chain and worn, the pendulum
The other end of arm 6 is provided with a curved wrom tooth 31, and the wrom tooth 31 is engaged with a worm screw 29, the lower section connection electricity of the worm screw 29
A dynamic actuation means 12, the front fork unit 5 has a pair of first connecting portions, the first connecting portion towards the direction of actuation means 12
It is pivotally connected with connecting rod 6a lower end by means of stud shaft 9, together with connecting rod 6a upper end and the fixed support body 2 are pivotally connected by means of stud shaft 8 again.
During operation, the actuation means 12 borrow the driven by power worm screw 29 to rotate, and the worm screw 29 engages with the wrom tooth 31, can band
The wrom tooth 31 swing centered on the stud shaft 10 is moved, makes the front fork unit 5 for being articulated in the lower end of swing arm 6 is removable to be somebody's turn to do certainly with close
Drive a vehicle frame tube 4 or away from the bicycle frame tube 4, and drive chain to be moved to the chain fluted disc A or chain fluted disc B of target,
Reach speed change purpose.
But, bicycle running is on road surface, and being particularly away to run into be uneven unavoidably in mountain area countryside has obvious drop
Road conditions and produce bounce, the front fork unit 5, the swing arm 6, connecting rod 6a are likely to be collided by hard thing, cause the swing arm 6 to be sent out
Life is walked, and wrom tooth 31 can be caused to hold tightly worm screw 29, the actuation means 12 is damaged from driving the worm screw 29 to rotate freely,
Cause to produce stuck failure during operation speed change or lose transmission precision problem.
The content of the invention
The main object of the present invention, is to provide a kind of electronic front chain mover, can prevent bicycle from being touched in walking
Hit or shake, make speed change stuck or lose accurate problem.
For up to above-mentioned purpose, the invention discloses a kind of electronic front chain mover, including：One support member is arranged at a bicycle
Vehicle frame, its have one first installation portion and one second installation portion, a driver element, it is arranged at first installation portion, to drive
A dynamic worm screw rotates, one first gear unit, and it has an at least travelling gear, is driven by the worm screw and then is driven the driving cog
Wheel is rotated, one second gear unit, and it includes a rack, a connecting rod and a swing component, and the rack is engaged with the travelling gear
And second installation portion is movably arranged at, the connecting rod is articulated in the rack with its one end and is articulated in the swing with the other end
Part, one group of chain element includes one first articulated section, one second articulated section and one group of chain portion, first articulated section, the second articulated section pivot
The swing component is connected to, and this group of chain portion is to stir chain movement.
Wherein, the swing component has one first tooth axle, one second tooth axle, an idler gear, a first side wall and one the
Two side walls, the first tooth axle is fixedly arranged on the support member and sets multiple first ring teeth to be engaged for the idler gear in its axle body,
The first side wall sets one the 3rd abutting end and one the 4th abutting end, and the second sidewall sets one first abutting end and one second engagement
End, second abutting end is set is connected a connecting portion with the 4th abutting end of the first side wall, the two ends difference of the second tooth axle
The first side wall and the second sidewall are fixedly arranged on, and sets multiple second ring teeth to engage with the idler gear in its axle body.
Wherein, first gear unit is installed with space located at the one of first installation portion and seals this by means of a capping and is installed with
The opening in space.
Wherein, first gear unit is provided with a first gear part, a second gear part and one the 5th gear, and this first
Gear member and the worm engaging simultaneously coordinate with the second gear part, and the second gear part coordinates with the 5th gear, and this
One gear member, the second gear part and the 5th gear are arranged at this and are installed with space, and the 5th gear and the driving cog jointly
Take turns the coaxial heart.
Wherein, first gear unit is a reducing gear, and the first gear part includes one first axle center and is arranged in
One first gear, a second gear in first axle center, the second gear part include one second axle center and be arranged in this second
One the 3rd gear, one the 4th gear in axle center, first axle center, the two ends in the second axle center be hubbed at respectively first installation portion and
The capping, the second gear is arranged at a side of the first gear and the heart coaxial with the first gear, and the 4th gear is set
In a side of the 3rd gear and the heart coaxial with the 3rd gear, the first gear and the worm engaging, the 3rd gear with
The second gear is engaged, and the 4th gear is engaged with the 5th gear.
Wherein, second installation portion is comprising relative two walls and connects a connection wall of two wall, respectively the wall point
Not with respect to provided with the elongated slot and a through hole extended along the second installation portion length direction, the rack is located at second installation portion
It is interior, and the rack and the elongated slot are worn respectively through a bearing pin, the rack is moved using the elongated slot as track, the capping is set
One axis hole is worn for the one end in the travelling gear axle center, and the other end in the travelling gear axle center is arranged at the through hole.
Wherein, two ends of the rack are respectively equipped with one first fluting and one second fluting, and first fluting is equiped with one the
One wheel body, first wheel body is hubbed at the rack by means of one first latch, and second fluting is equiped with one second wheel body, second wheel
Body is hubbed at the rack by means of one second latch, and first wheel body is rolled with second wheel body along the second installation portion inner face.
Wherein, one end of the connecting rod sets a first connecting portion other end and sets a second connecting portion, and the first connecting portion is borrowed should
Second latch, which is worn, connects second wheel body and the rack, makes the connecting rod together with rack pivot joint, the second connecting portion borrows one the 3rd
Latch is connected to a linkage part of the swing component, makes the swing component together with connecting rod pivot joint.
Wherein, the swing component is provided with one first containing part, one second containing part that are connected with the linkage part, and this first is installed with
Portion, the second containing part are set for the first tooth axle and the second tooth axle respectively, and the periphery of the first tooth axle is provided with one first ring tooth,
The first tooth axial plane is provided with a first fitting portion to the one end in the first side wall direction, and the periphery of the second tooth axle is provided with one second
Ring tooth, the second tooth axial plane sets a second fitting portion to the one end in the first side wall direction, the idler gear and the first ring tooth
It is meshed with the second ring tooth, the first side wall sets a concave edge, provided with one second pair of embedding portion with second chimeric with this in the concave edge
Portion is fitted together to, and second installation portion has a wall extension, and the one first of the first fitting portion and the wall extension is chimeric to embedding portion, in this
Between gear centre be provided with one the 3rd fitting portion provided with an axostylus axostyle and its one end, the axostylus axostyle is arranged at the swing component, and with the 3rd
The one the 3rd of fitting portion and the linkage part is chimeric to embedding portion.
Wherein, the first tooth axial plane is provided with non-circular one first junction surface to one end of second installation portion, and this
Two tooth axial planes to the second sidewall direction be provided with non-circular one second junction surface, and second installation portion to should first engagement
Portion is provided with one first docking section, and the second sidewall is provided with one second docking section with the junction surface of the second tooth axle to match
Close.
Present invention has the advantage that：
When bicycle walking is on road surface, if this group of chain element is hit, impact first transfers to this group of chain portion, and this group of chain portion is borrowed
Articulated section transmission impact gives the first side wall, second sidewall, with up to first of mitigation, and reducing vibration power；Then
When power is communicated to the swing component by the first side wall, second sidewall again, because the swing component internal gear absorbs part impact
To alleviate impact, then the order such as remaining impact through connecting rod, rack, travelling gear, first driving member decayed, to finally by
Worm screw absorbs remaining faint impulsive force, can avoid bicycle because being collided or shaking in walking whereby, cause speed change stuck
Or lose precisely group chain function problem.
Brief description of the drawings
Fig. 1 is the plane signal of U.S. Patent No. US6648782 B2 " be used for bicycle and dial chain drive device "
Figure.
Fig. 2 is the schematic diagram for the vehicle frame that the embodiment of the present invention is assembled in bicycle.
Fig. 3 is the three-dimensional combination figure that the embodiment of the present invention is free of support member.
Fig. 4 is the exploded perspective figure of the embodiment of the present invention.
Fig. 5 A are the exploded perspective figure of other direction of the embodiment of the present invention.
Fig. 5 B are the enlarged drawing of Fig. 5 A the second installation portion other directions.
Fig. 6 is the optical cable of the embodiment of the present invention.
Fig. 7 A are the action schematic diagram one of the embodiment of the present invention.
Fig. 7 B are the action schematic diagram two of the embodiment of the present invention.
In figure：
A、B：Chain fluted disc； 2：Fixed support body；
3：Folder； 4：Tubular frame of bicycle；
5：Front fork unit； 6：Swing arm；
6a：Connecting rod； 8、9、10、11：Stud shaft；
12：Actuation means； 29：Worm screw；
31：Wrom tooth；
a：The vehicle frame of bicycle； b：Chain；
10：Support member； 11：Upper lid；
12：Casing； 121：Empty room；
122：Side block wall； 123：Board；
124：Dividing plate； 125：First screw；
126：Second screw； 127：3rd screw；
13：Second installation portion； 131：Seat board；
132：Cell body； 132a、132b：Wall；
132c：Connection wall； 133：Lug；
134：Elongated slot； 135：Through hole；
136：First docking section； 1371：Upper screw；
1372：Lower screw； 138：Wall extension；
139：First pair of embedding portion； 20：Driver element；
21：Rotating shaft； 22：Worm screw；
30：First gear unit； 31：First gear part；
311：First gear； 312：Second gear；
313：First axle center； 32：Second gear part；
321：3rd gear； 322：4th gear；
323：Second axle center； 33：Travelling gear；
331：5th gear； 34：First installation portion；
341：It is installed with space； 342：Convex portion；
343：Capping； 344：Axis hole；
40：Second gear unit； 41：Rack；
411：First fluting； 412：Second fluting；
413：First wheel body； 414：First latch；
415：Second wheel body； 416：Second latch；
417：Bearing pin； 42：Connecting rod；
421：First connecting portion； 422：Second connecting portion；
43：Swing component； 431：Linkage part；
432：First containing part； 433：Second containing part；
434：3rd latch； 435：3rd pair of embedding portion；
44：The first side wall； 441：Concave edge；
442：3rd abutting end； 443：4th abutting end；
444：Second pair of embedding portion； 45：Second sidewall；
451：Second docking section； 452：First abutting end；
453：Second abutting end； 454：Connecting portion；
46：First tooth axle； 461：First ring tooth；
462：First fitting portion； 463：First junction surface；
47：Second tooth axle； 471：Second ring tooth；
472：Second fitting portion； 473：Second junction surface；
48：Idler gear； 481：Axostylus axostyle；
482：3rd fitting portion； 50：Dial chain element；
51：Dial chain portion； 52：First articulated section；
53：Second articulated section； 54：First articulated part；
55：Second articulated part.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Fig. 2-Fig. 6 is referred to, is the electronic front chain mover of the present embodiment, includes a support member 10, a driver element 20
(being electro-motor in the present embodiment), one first gear unit 30, one second gear unit 40 and one group of chain element 50.
Support member 10 is installed on the vehicle frame a of a bicycle, comprising lid 11 on one, position below the upper lid 11 along outside upper lid 11
Shape and the casing 12 set and one second installation portion 13, the upper part of lid 11 cover one first installation portion 34, and the second installation portion 13 has
There is a seat board 131, seat board 131 is provided with a cell body 132 and one is located at the lug 133 of the side of cell body 132, and cell body 132 is substantially in U
Shape and the connection wall 132c for including relative two wall 132a, 132b of two wall 132a, 132b and connection, upper lid 11 coordinate
The envelope of casing 12 sets cell body 131 and lug 133, and each wall 132a, 132b are provided with the elongated slot extended along the length direction of cell body 131
134 and be located at elongated slot 134 a side a through hole 135, wall 132a of the cell body 132 adjacent to the direction of casing 12 set screw on one
1371 and once screw 1372, a side of seat board 131 is provided with a wall extension 138, wall extension 138 be additionally provided with one first pair it is embedding
Portion 139.
The side of casing 12 is provided with the empty room 121 being installed with for driver element 20, and the opposite side of casing 12 opens sky for one
Between assembled for the second installation portion 13, refer to Fig. 2, the vehicle frame a directions for closing on bicycle are provided with the one part of side retaining wall 122
Lid 11 is may extend to, side block wall 122 extends a board 123 vertical with side block wall 122, board 123 towards the direction of empty room 121
On the seat board 131 for riding upon the second installation portion 13, the dividing plate 124 protruded by the side of side block wall 122 is additionally provided with casing 12
Empty room 121 and the open space are defined to come, side block wall 122 is worn by means of one the 3rd screw 127, the 3rd screw 127 is again with the
The lug 133 of two installation portions 13 is screwed togather.
Driver element 20 has a rotating shaft 21, and by the output driving power of rotating shaft 21, rotating shaft 21 be additionally provided with a worm screw 22 with
Driving force is exported by means of worm screw 22.
First gear unit 30, is driven by worm screw 22, is the reducing gear that gear engagement of different sizes is constituted, to drive
A dynamic travelling gear 33 rotates, and the first gear unit 20 is provided with the first gear part 31 engaged with worm screw 22, a second gear
Part 32 matches somebody with somebody to merge with first gear part 31 to be co-located in the first installation portion 34, when worm screw 22 drives first gear part 31 to rotate
When, the related band nutating gear 33 of the meeting of second gear part 32 rotates.
Fig. 4 is refer to, first gear part 31 is further described herein and includes one first axle center 313, one first tooth
Wheel 311 is used to engage with worm screw 22 and a second gear 312 is arranged on a side of first gear 311 and its external diameter is less than first
The external diameter of gear 311, the first axle center 313 wears the center of first gear 311 and second gear 312, and first gear is driven whereby
311 rotate together with second gear 312, and second gear part 32 includes one second axle center 323, one the 3rd gear 321 its external diameter
More than the external diameter of second gear 312, the 3rd gear 321 is engaged with second gear 312, and a side of the 3rd gear 321 is provided with one
4th its external diameter of gear 322 is less than the external diameter of the 3rd gear 321, and the second axle center 323 wears the 3rd gear 321 and the 4th gear
322 center, and drive the 3rd gear 321 to be rotated together with the 4th gear 322 whereby, the 4th gear 322 is more than with an external diameter
5th gear 331 of the 4th gear 322 is meshed, and the 5th gear 331 is in a side of travelling gear 33, and and travelling gear
33 is coaxial, and the first installation portion 34 is provided with being installed with first gear part 31, the one of the gear 331 of second gear part 32 and the 5th be installed with space
341, the first installation portion 34 sets a convex portion 342 and a capping 343 is installed with the openings in space 341 to close, and upper lid 11 borrows one the
The ecto-entad of one screw 125 is penetrated, the first screw 125 and through the first installation portion 34 convex portion 342 again with the second installation portion 13
Upper screw 1371 screw togather, the first installation portion 34 is combined with the second installation portion 13, casing 12 borrow one second screw 126 pass through bottom
After portion, it is then passed through dividing plate 124 and is screwed togather with the lower screw 1372 of the second installation portion 13.
Capping 343 offers the axis hole 344 passed for travelling gear 33, first gear part 31, second gear part 32 with
What the 5th gear 331 was arranged on the first installation portion 34 is installed with space 341, the first axle center 313, the two ends difference in the second axle center 323
The first installation portion 34 and capping 343 are hubbed on, the one end in the axle center of travelling gear 33 is combined with the 5th gear 331 and with the 5th tooth
Wheel 331 is rotated, and travelling gear 33 passes through the wall 132b of cell body 132, and position is in the inner space of cell body 132, travelling gear 33
The other end in axle center be hubbed at wall 132a through hole 135.
Second gear unit 40, the lower end of rack 41 is articulated in simultaneously comprising the rack 41, one engaged with travelling gear 33
A connecting rod 42, one through the second installation portion 13 is articulated in a swing component 43 of connecting rod 42, a first side wall 44 and one second side
Wall 45.In the present embodiment, rack 41 is arranged in the cell body 132 of the second installation portion 13, and two ends of rack 41 are respectively equipped with one
First fluting 411 and one second fluting 412, the first fluting 411 are equiped with one first wheel body 413, and the first wheel body 413 borrows one first
Latch 414 is hubbed on one end of rack 41, and the second fluting 412 is equiped with one second wheel body 415, and the second wheel body 415 borrows one second
Latch 416 is hubbed on the other end of rack 41, the connection wall 132c inner faces of the first wheel body 413, the second wheel body 415 along cell body 132
Roll, the centre of rack 41 is worn by means of a bearing pin 417, and the end of left and right two of bearing pin 417 is hubbed at two elongated slots of cell body 132 respectively
In 134.
One end of connecting rod 42 is a first connecting portion 421, and the other end of connecting rod 42 is a second connecting portion 422, and second inserts
Pin 416, which is worn, connects first connecting portion 421, the second wheel body 415 and rack 41, makes together with connecting rod 42 is pivotally connected with rack 41, swing component 43
It is connected respectively with two linkage parts 431 provided with facing two linkage parts 431 and one first containing part 432, one second containing part 433
Connect, the second connecting portion 422 of connecting rod 42 is worn by means of one the 3rd latch 434 connects two linkage parts 431 and second connecting portion 422, makes swing
Together with part 43 is pivotally connected with connecting rod 42, swing component 43 is provided with an idler gear 48, the opposite sides of the second containing part 433 group respectively
Assigned in the first side wall 44 and second sidewall 45, the linkage part 431 of neighbouring the first side wall 44 is provided with one the 3rd pair of embedding portion 435.
Fig. 4 and Fig. 5 A are refer to, one first tooth axle 46 is installed in the inside of the first containing part 432, and the periphery of the first tooth axle 46 is set
There is an one first ring tooth 461, periphery wall of the first tooth axle 46 in face of the direction of the first side wall 44 sets a first fitting portion 462 with second
The embedding portion 139 of the first couple of installation portion 13 is fitted together to, one second tooth axle 47 of the inside of the second containing part 433 installing, outside the second tooth axle 47
It is provided with one second ring tooth 471 week, periphery wall of the second tooth axle 47 in face of the direction of the first side wall 44 sets a second fitting portion 472, in
Between gear 48 it is mutually chimeric with the first ring tooth 461 and the second ring tooth 471, the other end of the second tooth axle 47 and the company of assembling of second sidewall 45
Knot.
The annexation of the first tooth axle 46, the second tooth axle 47 is further described as after, Fig. 4 and Fig. 5 A, Fig. 5 B is refer to,
First tooth axle 46, the second tooth axle 47 in face of the direction of second sidewall 45 non-circular one first junction surface 463 of each projection in one end with
Second junction surface 473, the first junction surface 463 and one is correspondingly arranged at the first docking section on the second installation portion 13 according to its shape
136 engagements, and second sidewall 45 is provided with one second docking section that the correspondence shape of the second junction surface 473 sets and is engaged by
451, second sidewall 45 sets one first abutting end 452 and one second abutting end 453, and the second abutting end 453 is provided with towards the first side wall
44 directions extend a connecting portion 454 of tubulose, and the first side wall 44 is provided with the concave edge 441 with the fit of the second tooth axle 47, concave edge 441
Provided with the one second pair embedding portion 444 chimeric with second fitting portion 472, the first side wall 44 be respectively equipped with one the 3rd abutting end 442 and
One the 4th abutting end 443, idler gear 48 is provided centrally with an axostylus axostyle 481, axostylus axostyle 481 adjacent to the direction of the first side wall 44 one
End is provided with one the 3rd fitting portion 482, and the 3rd fitting portion 482 is chimeric with the 3rd pair of embedding portion 435 of linkage part 431, such as Fig. 5, axostylus axostyle
481 other end is hubbed on another linkage part 431 in the neighbouring direction of second sidewall 45.
Chain element 50 is dialled, with alternative one group of chain portion 51 for stirring chain b, one first articulated section 52 and one second pivot joint
Portion 53, the first articulated section 52 is articulated in the 3rd abutting end 442 and second sidewall of the first side wall 44 by one first articulated part 54
45 the first abutting end 452, and the second articulated section 53 is then articulated in the 4th of the first side wall 44 by one second articulated part 55 and connect
Close end 443 and the second abutting end 453 of second sidewall 45.
Please refer to Fig. 3, Fig. 6 and Fig. 7 A in the lump again whereby, when the drive shaft 21 of driver element 20 is rotated, worm screw can be driven
22 rotation, worm screw 22 engages with first gear 311, and drives second gear 312 to rotate, second gear 312 and with the 3rd gear
321 are engaged and then drive the 4th gear 322 to rotate, and the 4th gear 322 is engaged with the 5th gear 331 again, drives the 5th gear 331
Rotate and drive the travelling gear 33 coaxial with the 5th gear 331 to rotate, travelling gear 33 is engaged with rack 41, can be with carry-over bar
41 upper and lower displacements, as the displacement of rack 41 makes the bearing pin 417 for being articulated in two elongated slots 134 can be along the upper and lower displacement of elongated slot 134.
The first connecting portion 421 of the upper end of connecting rod 42 makes rack together with wearing and be pivotally connected by means of the second latch 416 with the lower end of rack 41
About 41 move the oscilaltion of drivening rod 42, and connecting rod 42 is worn using the 3rd latch 434 connects two linkage parts 431 and the second of connecting rod 42
Connecting portion 422, makes swing component 43 be pivotally connected with connecting rod 42, swing component 43 is moved up and down with connecting rod 42.
The first fitting portion 462 of first tooth axle 46 is chimeric with the embedding portion 139 of the first couple of the second installation portion 13, when swing component 43
Idler gear 48 can be driven to engage with the first ring tooth 461 of the first tooth axle 46 when above carrying to be driven in rotation, idler gear 48 and
Second ring tooth 471 of two tooth axles 47 is engaged, then drives the second tooth axle 47 to rotate, due to the second tooth axle in the second containing part 433
47 engage by means of the non-circular junction surface 437 of its one end with the docking section 451 of second sidewall 45, drive second sidewall 45 to swing, and
The first articulated section 52 for dialling chain element 50 is articulated in the 3rd abutting end 442 of the first side wall 44 and the first of second sidewall 45 and connect respectively
End 452 is closed, the 4th abutting end 443 that the second articulated section 53 is articulated in the first side wall 44 respectively is engaged with the second of second sidewall 45
End 453, makes derailleur 50 be moved with swing component 43.
In this way, referring again to Fig. 7 A, when travelling gear 33, rotation driving rack 41 is moved up in a clockwise direction, can pull pendulum
The linkage part 431 of moving part 43 is up carried, and the first couple that the first tooth axle 46 is embedded in the second installation portion 13 with first fitting portion 462 is embedding
Axle center of the portion 139 to be pivoted as swing component 43, and the second containing part 433 can be moved toward the direction of the vehicle frame a away from bicycle,
The second tooth axle 47 being fitted in the second containing part 433 and the first side wall 44 assembled with the second tooth axle 47, second sidewall 44,45
The vehicle frame a directions movement of bicycle is directed away from together, makes to be articulated in the first side wall 44, the derailleur 50 of second sidewall 44,45
It is able to contact chain b and transferred to the vehicle frame a directions away from bicycle to move, chain b is hung over into an object chain fluted disc（Figure is not
Show）On.
Otherwise such as Fig. 7 B, moved down when travelling gear 33 rotates in a counter-clockwise direction driving rack 41, swing component 43 can be pulled
Linkage part 431 move down, the second containing part 433 can toward bicycle vehicle frame a directions move, be fitted in the second containing part 433
The second tooth axle 47 and together with the first side wall 44 that the second tooth axle 47 is assembled, second sidewall 45 towards the vehicle frame a side of bicycle
To movement, make to be articulated in the first side wall 44, the contact chain b of derailleur 50 of the second side 45 and the car for being transferred to close bicycle
Frame a directions are moved, and chain b is hung over into another object chain fluted disc（It is not shown）On.
The present invention at least has the following advantages that：
Because bicycle walking is on rugged road surface, dialling chain element 50 can be hit unavoidably, when dialling 50 stress of chain element,
Impact is transferred to swing component 43, absorbs part impact to alleviate and lower impact by swing component 43, has then lowered
Impact reaches rack 41 by the through connecting rod 42 of swing component 43 again, then is transferred to travelling gear 33 and through the first transmission via rack 41
The reducing impact force road, and remaining strength finally is transferred into worm screw 22 again of unit 30, absorbs remaining strength, because before by worm screw 22
The multiple mechanisms in face strength transmission, strength failed to the intensity that will not damage worm screw 22 directly can be absorbed by worm screw 22 and will not
Influence driver element 20 even causes intraware to damage, it is to avoid bicycle causes speed change because being collided or shaking in walking
It is stuck or lose precisely dial chain function problem.
Embodiment described above is only the preferred embodiment to absolutely prove the present invention and being lifted, protection model of the invention
Enclose not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (10)
1. a kind of electronic front chain mover, it is characterised in that including：
One support member is arranged at the vehicle frame of a bicycle, and it has one first installation portion and one second installation portion；
One driver element, it is arranged at first installation portion, to drive a worm screw to rotate；
One first gear unit, it has an at least travelling gear, is driven by the worm screw and then is driven travelling gear rotation；
One second gear unit, it includes a rack, a connecting rod and a swing component, and the rack is engaged and energy with the travelling gear
Enough to be movably arranged at second installation portion, the connecting rod is articulated in the rack with its one end, and is articulated in the swing with the other end
Part；
One group of chain element, it includes one first articulated section, one second articulated section and one group of chain portion, first articulated section, the second pivot
Socket part is articulated in the swing component, and this group of chain portion is to stir chain movement.
2. electronic front chain mover according to claim 1, it is characterised in that wherein, the swing component have one first tooth axle,
One second tooth axle, an idler gear, a first side wall and a second sidewall, the first tooth axle are fixedly arranged on the support member and in it
Axle body sets multiple first ring teeth to be engaged for the idler gear, and the first side wall sets one the 3rd abutting end and one the 4th engagement
End, the second sidewall sets one first abutting end and one second abutting end, and second abutting end sets the 4th with the first side wall
One connecting portion of abutting end connection, the two ends of the second tooth axle are fixedly arranged on the first side wall and the second sidewall respectively, and in it
Axle body sets multiple the second ring teeth engaged with the idler gear.
3. electronic front chain mover according to claim 2, it is characterised in that wherein, first gear unit located at this
The one of one installation portion is installed with the opening that in space and this is installed with space by means of a capping closing.
4. electronic front chain mover according to claim 3, it is characterised in that wherein, first gear unit is provided with one
First gear part, a second gear part and one the 5th gear, the first gear part and the worm engaging and with the second gear part
Coordinate, and the second gear part coordinates with the 5th gear, and the first gear part, the second gear part and the 5th gear are common
Space, and the 5th gear heart coaxial with the travelling gear are installed with this is arranged at.
5. electronic front chain mover according to claim 4, it is characterised in that wherein, first gear unit is a deceleration
Mechanism, the first gear part includes one first axle center and is arranged in a first gear in first axle center, a second gear, should
Second gear part includes one second axle center and is arranged in one the 3rd gear, one the 4th gear in second axle center, the first axle
The heart, the two ends in the second axle center are hubbed at first installation portion and the capping respectively, and the second gear is arranged at the first gear
One side and the heart coaxial with the first gear, the 4th gear are arranged at a side of the 3rd gear and common with the 3rd gear
Axle center, the first gear and the worm engaging, the 3rd gear are engaged with the second gear, the 4th gear and the 5th gear
Engagement.
6. electronic front chain mover according to claim 3, it is characterised in that wherein, second installation portion is comprising relative
Two walls and the connection wall for connecting two wall, respectively the wall is provided with relative and along the second installation portion length direction extension
One elongated slot and a through hole, the rack wear the rack and the elongated slot respectively in second installation portion through a bearing pin, make this
Rack is moved using the elongated slot as track, and the capping sets an axis hole and worn for the one end in the travelling gear axle center, the driving cog
The other end in wheel axle center is arranged at the through hole.
7. electronic front chain mover according to claim 6, it is characterised in that wherein, two ends of the rack are respectively equipped with one
First fluting and one second fluting, first fluting are equiped with one first wheel body, and first wheel body is hubbed at by means of one first latch
The rack, second fluting is equiped with one second wheel body, and second wheel body is hubbed at the rack by means of one second latch, the first round
Body is rolled with second wheel body along the second installation portion inner face.
8. electronic front chain mover according to claim 7, it is characterised in that wherein, one end of the connecting rod sets one first company
Socket part, the other end sets a second connecting portion, and the first connecting portion is worn by means of second latch and connects second wheel body and the rack, makes this
Together with connecting rod is pivotally connected with the rack, the second connecting portion borrows one the 3rd latch to be connected to a linkage part of the swing component, makes the pendulum
Together with moving part is pivotally connected with the connecting rod.
9. electronic front chain mover according to claim 8, it is characterised in that wherein, the swing component is provided with and the linkage part
One first containing part, one second containing part of connection, first containing part, the second containing part respectively for the first tooth axle and this
Two tooth axles are set, and the periphery of the first tooth axle is provided with one first ring tooth, the one end of the first tooth axial plane to the first side wall direction
Provided with a first fitting portion, the periphery of the second tooth axle is provided with one second ring tooth, and the second tooth axial plane is to the first side wall direction
One end set a second fitting portion, the idler gear is meshed with the first ring tooth and the second ring tooth, and the first side wall sets one
Concave edge, provided with one second pair of embedding portion with chimeric with the second fitting portion in the concave edge, second installation portion has a wall extension, this
The one first of first fitting portion and the wall extension is chimeric to embedding portion, and the idler gear center is provided with an axostylus axostyle and one end provided with one the
Three fitting portions, the axostylus axostyle is arranged at the swing component, and chimeric to embedding portion with the one the 3rd of the 3rd fitting portion and the linkage part.
10. electronic front chain mover according to claim 9, it is characterised in that wherein, the first tooth axial plane is to second peace
The one end in dress portion is provided with non-circular one first junction surface, and the second tooth axial plane is provided with non-circular to the second sidewall direction
One second junction surface, and second installation portion to should the first junction surface be provided with one first docking section, the second sidewall is set
There is one second docking section to be engaged with the junction surface with the second tooth axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193985.3A CN107284600A (en) | 2016-03-31 | 2016-03-31 | Electronic front chain mover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193985.3A CN107284600A (en) | 2016-03-31 | 2016-03-31 | Electronic front chain mover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107284600A true CN107284600A (en) | 2017-10-24 |
Family
ID=60087015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610193985.3A Pending CN107284600A (en) | 2016-03-31 | 2016-03-31 | Electronic front chain mover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107284600A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020061797A1 (en) * | 2000-11-17 | 2002-05-23 | Campagnolo Srl | Actuating apparatus for a bicycle derailleur, with coupling connected to the driven shaft |
| US20060100045A1 (en) * | 2004-11-10 | 2006-05-11 | Shimano, Inc. | Apparatus for mounting a bicycle electrical component |
| CN103029800A (en) * | 2011-09-30 | 2013-04-10 | 株式会社岛野 | Front derailleur with contact member |
| CN104118527A (en) * | 2013-04-25 | 2014-10-29 | 株式会社岛野 | Bicycle derailleur |
| CN104760659A (en) * | 2014-01-07 | 2015-07-08 | 天心工业股份有限公司 | Electric front derailleur |
| CN204916040U (en) * | 2015-04-27 | 2015-12-30 | 久鼎金属实业股份有限公司 | Front chain -picking device of bicycle |
-
2016
- 2016-03-31 CN CN201610193985.3A patent/CN107284600A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020061797A1 (en) * | 2000-11-17 | 2002-05-23 | Campagnolo Srl | Actuating apparatus for a bicycle derailleur, with coupling connected to the driven shaft |
| US20060100045A1 (en) * | 2004-11-10 | 2006-05-11 | Shimano, Inc. | Apparatus for mounting a bicycle electrical component |
| CN103029800A (en) * | 2011-09-30 | 2013-04-10 | 株式会社岛野 | Front derailleur with contact member |
| CN104118527A (en) * | 2013-04-25 | 2014-10-29 | 株式会社岛野 | Bicycle derailleur |
| CN104760659A (en) * | 2014-01-07 | 2015-07-08 | 天心工业股份有限公司 | Electric front derailleur |
| CN204916040U (en) * | 2015-04-27 | 2015-12-30 | 久鼎金属实业股份有限公司 | Front chain -picking device of bicycle |
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Application publication date: 20171024 |
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