CN205652281U - Speed change adjustment gear structure on bicycle - Google Patents
Speed change adjustment gear structure on bicycle Download PDFInfo
- Publication number
- CN205652281U CN205652281U CN201620409229.5U CN201620409229U CN205652281U CN 205652281 U CN205652281 U CN 205652281U CN 201620409229 U CN201620409229 U CN 201620409229U CN 205652281 U CN205652281 U CN 205652281U
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- CN
- China
- Prior art keywords
- gear
- installing rack
- bicycle
- mounting bracket
- side plate
- 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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Abstract
The utility model provides a speed change adjustment gear structure on bicycle belongs to mechanical transmission technical field. It has been solved present speed change adjustment gear structure on bicycle and has used not convenient waiting technical problem. This speed change adjustment gear structure includes mounting bracket and linking arm, rotatable gear no. 1 and the gear no. 2 of being connected with on the mounting bracket, and gear no. 1 lies in the coplanar with gear no. 2 and the interval sets up, and the mounting bracket is rectangular form, and the one end of mounting bracket be the free end, and the other end is the link, and gear no. 1 is near the free end of mounting bracket, and gear no. 2 is near the links of mounting bracket, the link and the linking arm ball -joint of mounting bracket still set firmly the spliced pole that is used for connecting the variable speed line and just can make the mounting bracket wind the pin joint swing through variable speed line pulling spliced pole on. The utility model discloses well mounting bracket can also more mesh through the buffering along the swing of the axis from the driving wheel, the conversion angle that makes the chain at the horizontal plane except can the luffing motion easily mutually, provides driven reliability.
Description
Technical field
This utility model belongs to machine driving device technical field, relates to a kind of gear structure,
A kind of gearshift adjustment gear structure on bicycle.
Background technology
Gear is to have tooth on wheel rim and can engage the machinery unit of transmitting movement and power continuously
Part, has the advantages such as transmission efficiency is high, gear ratio is accurate, power bracket is big, and gear is also
Can by with other machine components engaged transmission, it is achieved change rotating speed and moment of torsion, change
The functions such as the direction of motion and change forms of motion；Gear mechanism extensively should in industrial products
With, its design and manufacture level directly influence the quality of industrial products.By two gears
Separately, chain, crawler belt, belt can be applied driving the gear on both sides and transmit power.
Bicycle is the vehicles of the environmental protection with foot pedal as power, pedal portion
Part is assemblied on the left and right crank of middle axle, is one and translation power is converted into rotatory force
Device, during cycling, first pedal force passes to pedal parts, then by foot
Pedal axle rotating crank, coordinate transmission by gear structure and chain, make rear wheel,
So that bicycle advances.Therefore pedal parts and gear structure are the most suitable, will be straight
Can connect affects the driving of bicycle and be smoothed out and the comfort of cyclist.
China's patent (notification number: CN201545159U；Publication date: 2010-08-11)
Disclose a kind of improved mechanism for bearingless clutch of bicycle transmission gearset, bicycle
Rear change gear train at least has two gears, and outermost is the first gear, in it is adjacent
Side is the second gear, has continuous action relation, the first gear and the between the second gear and flower hub
Two gears are same outer diameter and the identical number of teeth, and are provided with between outermost the first gear and flower hub
The becket that one energy is freely rotatable；Dialling chain speed change when operation makes chain turning set to outermost
During the first gear, because of between this first gear and flower hub without continuous action relation, therefore trailing wheel is not for be subject to
The "Off" state that chain-driving rotates, and group chain speed change ought be operated again chain is rotated
Recover the second adjacent gear when becoming " conjunction " state, because first, second tooth
Wheel has same outer diameter and the identical number of teeth, so the action rotated can be under low running velocity
It is readily accomplished.
Multi-speed bicycle is in speed-change process, owing to having converted the different chis from chain interoperation
Very little gear, needs to be adjusted the chain length between drivewheel and driven pulley, logical
Often realized by a gearshift adjustment gear structure.Bicycle in above-mentioned patent
Gear teeth wheels bearing-free clutch equipment is improved mechanism and is not disclosed the tool of this gear structure
Body technique scheme, and on market this series products existing generally exist regulation insensitive, make
By inconvenient shortcoming.
Summary of the invention
The problems referred to above that this utility model exists for existing technology, it is provided that one is voluntarily
Gearshift adjustment gear structure on car, technical problem to be solved in the utility model is:
How to improve the property easy to use of gearshift adjustment gear structure.
This utility model purpose can be realized by following technical proposal:
Gearshift adjustment gear structure on a kind of bicycle, it is characterised in that described speed change
Regulation gear structure includes installing rack and linking arm, rotating connection on described installing rack
Gear one and gear two, described gear one and gear two is had to be generally aligned in the same plane interior and interval
Arranging, described installing rack is strip, and one end of described installing rack is free end, another
End for connect end, described gear one near the free end of described installing rack, described gear two
Connection end near described installing rack；The connection end of described installing rack and described linking arm ball
Hinged, described installing rack is fixedly provided with the connection post for connecting shift cable and by becoming
Speed line pulls connection post that described installing rack can be made to swing around pin joint.
Its principle is as follows: the gearshift adjustment gear structure in the technical program is used for regulating master
Gear ratio between driving wheel and driven pulley, the chain of bicycle except with drivewheel and driven
Outside wheel is meshed, the most successively around being connected on gear one and gear two, by pulling and installing
The shift cable that connection post on frame is connected so that installing rack swings around pin joint, such energy
Enough change the free end position of installing rack, thus change the position of gear one, this technical side
In case, installing rack is arranged on the lower section of driven pulley, and the axis of gear one and gear two is the most flat
OK, when gear one turns to the interval range between the drivewheel of bicycle and driven pulley,
Now the support impact of a pair chain of gear is less, and it is bigger that chain can be looped around drivewheel
Toothed disc on, bigger gear ratio can be accessed；When gear one turns to bicycle
During driven pulley rear area, a pair chain of gear supports expansion to the back lower place of driven pulley,
Changing the cincture path of chain, chain is merely able to be looped around the toothed disc that drivewheel is less
On so that gear ratio reduces, and increases moment of torsion, relatively low velocity.Gear one and gear two
In same plane, and the drivewheel of bicycle and driven pulley are all by multiple toothed disc groups
Becoming, gear one and gear two can not be with each drivewheel and the toothed discs of driven pulley
In being generally aligned in the same plane, such chain is when cincture successively, when several gears are not same
Will be distorted time in plane deformation, thus easily cause jumping tooth, block phenomenon of waiting indefinitely,
Can wear and tear time serious, rupture.The connection end of the installing rack in the technical program and company
Connecing arm is ball-joint, and installing rack is in addition to can swinging up and down, additionally it is possible at horizontal plane
Along the axis oscillating of driven pulley, such a adjustment is excessive, makes the conversion angle warp of chain
Cross buffering, it is easier to be meshed, it is provided that the reliability of transmission.
In gearshift adjustment gear structure on above-mentioned bicycle, the end of described linking arm
Portion is provided with articulated column, and described articulated column has sphere, and the connection end of described installing rack is solid
Be provided with arc, the inwall of described arc spherically and with the sphere on described articulated column
Match and recline.Spherically, match the inwall of arc reality with the sphere on articulated column
Existing ball-joint, makes installing rack in addition to can swinging up and down, additionally it is possible to horizontal plane along from
The axis oscillating of driving wheel.
In gearshift adjustment gear structure on above-mentioned bicycle, the side of described articulated column
There is on wall convex edge down, described convex edge offer the aperture passed for shift cable,
The connection end side of described installing rack and described articulated column phase ball-joint, described installing rack
Connect the fixed described connection post of end opposite side.The chain excursion of gearshift adjustment is bigger,
Connection post is set by the connection end at installing rack, it is only necessary to speed change silk pulls less position
Move, it becomes possible to the free end making installing rack have gear one has the bigger amplitude of oscillation, makes
With convenient.
In gearshift adjustment gear structure on above-mentioned bicycle, described gear one and tooth
The radius of wheel two is equal and the centre-to-centre spacing of described gear one and gear two is more than described gear one
Diameter.
In gearshift adjustment gear structure on above-mentioned bicycle, described installing rack includes
The side plate one of parallel interval setting and side plate two, described gear one is respectively positioned on institute with gear two
State between side plate one and side plate two, at the free end of described installing rack, described side plate one
On there is the tailgate towards described side plate two.Gear one and gear two are positioned at side plate one and side
Between plate two, add that gear one is surrounded by tailgate with gear two, it is possible to gear one
Play a protective role with gear two, gear one and gear two can be prevented again simultaneously to user
Damage, improve security performance.Side plate one and side plate two can both snap together,
So it is easy to combination assembling.
Compared with prior art, the gearshift adjustment gear structure in this utility model have with
Lower advantage:
1, in the technical program, the end that connects of installing rack is ball-joint with linking arm, installs
Frame is in addition to can swinging up and down, additionally it is possible at horizontal plane along the axis oscillating of driven pulley,
Such a adjustment is excessive, makes the conversion angle of chain through buffering, it is easier to be meshed,
The reliability of transmission is provided.
2, the technical program arranges connection post by the connection end at installing rack, it is only necessary to
Speed change silk pulls less displacement, it becomes possible to make installing rack have the free end of gear one
There is the bigger amplitude of oscillation, easy to use.
Accompanying drawing explanation
Fig. 1 is this gear structure use structural representation on multi-speed bicycle.
Fig. 2 is the attachment structure schematic diagram of this gear structure and bicycle driven pulley.
Fig. 3 is the perspective view of this gear structure.
In figure, 1, installing rack；11, free end；12, end is connected；13, side plate one；
14, side plate two；2, linking arm；3, gear one；4, gear two；5, post is connected；6、
Articulated column；7, arc；8, convex edge；9, aperture；10, tailgate；1a, drivewheel；
1b, driven pulley.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, to this utility model
Technical scheme be further described, but this utility model is not limited to these embodiments.
As shown in Figure 1, Figure 2 and Figure 3, the gearshift adjustment gear structure on this bicycle
Including installing rack 1 and linking arm 2, on installing rack 1, rotating connection has gear 1
It is generally aligned in the same plane interior and interval setting with gear 24, gear 1 and gear 24,
Installing rack 1 is in strip, and one end of installing rack 1 is free end 11, and the other end is for connecting
End 12, gear 1 is near the free end 11 of installing rack 1, and gear 24 is near installing rack
The connection end 12 of 1；Connection end 12 and linking arm 2 ball-joint of installing rack 1, installing rack
It is fixedly provided with the connection post 5 for connecting shift cable on 1 and pulls connection by shift cable
Post 5 can make installing rack 1 swing around pin joint.
As shown in Figures 2 and 3, the end of linking arm 2 is provided with articulated column 6, articulated column 6
On there is sphere, the connection end 12 of installing rack 1 is installed with arc 7, arc 7
Inwall spherically and matches with the sphere on articulated column 6 and reclines；The sidewall of articulated column 6
On there is convex edge 8 down, convex edge 8 offers the aperture 9 passed for shift cable, peace
Shelve connection end 12 side and articulated column 6 phase ball-joint, the connection end of installing rack 1 of 1
12 opposite side fixed connection post 5；Installing rack 1 includes the side plate 1 that parallel interval is arranged
With side plate 2 14, gear 1 and gear 24 are respectively positioned on side plate 1 and side plate 2 14
Between, at the free end 11 of installing rack 1, side plate 1 has towards side plate two
The tailgate 10 of 14.
Gearshift adjustment gear structure in the technical program be used for regulating drivewheel 1a with from
Gear ratio between driving wheel 1b, the chain of bicycle except with drivewheel 1a and driven pulley
Outside 1b is meshed, the most successively around being connected on gear 1 and gear 24, by pull with
The shift cable that connection post 5 on installing rack 1 is connected so that installing rack 1 is put around pin joint
Dynamic, so can change free end 11 position of installing rack 1, thus change gear 1
Position, in the technical program, installing rack 1 is arranged on the lower section of driven pulley 1b, gear one
3 and the axis of gear 24 be parallel to each other, when gear 1 turns to the active of bicycle
When taking turns the interval range between 1a and driven pulley 1b, now chain is propped up by gear 1
Support impact is less, and chain can be looped around on the toothed disc that drivewheel 1a is bigger, i.e. can
Obtain bigger gear ratio；When gear 1 turns to bicycle driven pulley 1b rear area
Time, one 3 pairs of chains of gear support expansion, change chain to the back lower place of driven pulley 1b
Around path, chain is merely able to be looped around on the less toothed disc of drivewheel 1a so that
Gear ratio reduces, and increases moment of torsion, relatively low velocity.Gear 1 and gear 24 are positioned at same
In one plane, and the drivewheel 1a of bicycle and driven pulley 1b is all by multiple toothed discs
Composition, gear 1 and gear 24 can not be with each drivewheel 1a and driven pulleys
In the toothed disc of 1b is generally aligned in the same plane, such chain is when cincture successively, when several teeth
Will be distorted when taking turns the most in the same plane deformation, thus easily causes jumping tooth, card
Wait indefinitely phenomenon, can wear and tear time serious, rupture.Arc 7 in the technical program
Inwall spherically, matches with the sphere on articulated column 6 and realizes ball-joint, make installing rack
1 in addition to can swinging up and down, additionally it is possible at horizontal plane along the axis oscillating of driven pulley 1b,
Such a adjustment is excessive, makes the conversion angle of chain through buffering, it is easier to be meshed,
The reliability of transmission is provided.
In the present embodiment, the chain excursion of gearshift adjustment is bigger, by installing rack
The connection end 12 of 1 arranges connection post 5, it is only necessary to speed change silk pulls less displacement, just
Enable to installing rack 1 there is the free end 11 of gear 1 there is the bigger amplitude of oscillation, make
With convenient；Gear 1 and gear 24 between side plate 1 and side plate 2 14,
Plus tailgate 10, gear 1 is surrounded with gear 24, it is possible to gear 1
Play a protective role with gear 24, gear 1 can be prevented again right with gear 24 simultaneously
User damages, and improves security performance.Side plate 1 and side plate 2 14 can two
Person snaps together, and is so easy to combination assembling.
The present embodiment middle gear 1 is equal with the radius of gear 24 and gear 1 and tooth
Take turns the centre-to-centre spacing of 24 diameter more than gear 1.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Although the most more employing 1, installing rack；11, free end；12, connect
End；13, side plate one；14, side plate two；2, linking arm；3, gear one；4, gear
Two；5, post is connected；6, articulated column；7, arc；8, convex edge；9, aperture；10、
Tailgate；1a, drivewheel；The term such as 1b, driven pulley, but be not precluded from using other art
The probability of language.Use these terms to be only used to more easily and describe and explain this reality
By novel essence；Being construed as any additional restriction is and this practicality all
Novel spirit is contrary.
Claims (5)
1. the gearshift adjustment gear structure on a bicycle, it is characterised in that described change
Velocity modulation joint gear structure includes installing rack (1) and linking arm (2), described installing rack (1)
Upper rotating connection has gear one (3) and gear two (4), described gear one (3)
And gear two (4) be generally aligned in the same plane interior and interval arrange, described installing rack (1) in
Strip, one end of described installing rack (1) is free end (11), and the other end is for connecting
End (12), the free end (11) of the described close described installing rack (1) of gear one (3),
Described gear two (4) is near the connection end (12) of described installing rack (1)；Described installation
The connection end (12) of frame (1) and described linking arm (2) ball-joint, described installing rack
(1) it is fixedly provided with the connection post (5) for connecting shift cable on and is drawn by shift cable
The post (5) that is dynamically connected can make described installing rack (1) swing around pin joint.
Gearshift adjustment gear knot on a kind of bicycle the most according to claim 1
Structure, it is characterised in that the end of described linking arm (2) is provided with articulated column (6), described
Having sphere on articulated column (6), the connection end (12) of described installing rack (1) is fixed
Have arc (7), the inwall of described arc (7) spherically and with described articulated column (6)
On sphere match and recline.
Gearshift adjustment gear knot on a kind of bicycle the most according to claim 2
Structure, it is characterised in that there is on the sidewall of described articulated column (6) convex edge (8) down,
The aperture (9) passed for shift cable, described installing rack (1) is offered on described convex edge (8)
Connection end (12) side and described articulated column (6) phase ball-joint, described installing rack (1)
The fixed described connection post (5) of connection end (12) opposite side.
4. according to the gearshift adjustment on a kind of bicycle described in claim 1 or 2 or 3
Gear structure, it is characterised in that described gear one (3) and the radius of gear two (4)
The centre-to-centre spacing of equal and described gear one (3) and gear two (4) is more than described gear one
(3) diameter.
5. according to the gearshift adjustment on a kind of bicycle described in claim 1 or 2 or 3
Gear structure, it is characterised in that described installing rack (1) includes the side that parallel interval is arranged
Plate one (13) and side plate two (14), described gear one (3) and the equal position of gear two (4)
Between described side plate one (13) and side plate two (14), at described installing rack (1)
Free end (11) place, described side plate one (13) has towards described side plate two (14)
Tailgate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409229.5U CN205652281U (en) | 2016-05-09 | 2016-05-09 | Speed change adjustment gear structure on bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409229.5U CN205652281U (en) | 2016-05-09 | 2016-05-09 | Speed change adjustment gear structure on bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205652281U true CN205652281U (en) | 2016-10-19 |
Family
ID=57401281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620409229.5U Expired - Fee Related CN205652281U (en) | 2016-05-09 | 2016-05-09 | Speed change adjustment gear structure on bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205652281U (en) |
-
2016
- 2016-05-09 CN CN201620409229.5U patent/CN205652281U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xin Inventor before: Bao Lili |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170531 Address after: 300000 Tianjin City Jinli Dongli District Zhao village north, Jin Han Road South (Jin Zhengke Ltd. hospital) Patentee after: Tianjin sea GREE Precision Hardware Trading Co., Ltd. Address before: 315137 Zhejiang city of Ningbo province Yinzhou District Yunlong Town Li Yun Road No. 60 Patentee before: Bao Lili |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300000 Tianjin City Jinli Dongli District Zhao village north, Jin Han Road South (Jin Zhengke Ltd. hospital) Patentee after: Tianjin sea GREE Technology Co., Ltd. Address before: 300000 Tianjin City Jinli Dongli District Zhao village north, Jin Han Road South (Jin Zhengke Ltd. hospital) Patentee before: Tianjin sea GREE Precision Hardware Trading Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20200509 |