CN107792293A - The preposition gear-shift mechanism of bicycle - Google Patents
The preposition gear-shift mechanism of bicycle Download PDFInfo
- Publication number
- CN107792293A CN107792293A CN201710844864.5A CN201710844864A CN107792293A CN 107792293 A CN107792293 A CN 107792293A CN 201710844864 A CN201710844864 A CN 201710844864A CN 107792293 A CN107792293 A CN 107792293A
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- China
- Prior art keywords
- gear
- shaft
- speed
- master gear
- variable
- 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
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of preposition gear-shift mechanism of bicycle, the preposition gear-shift mechanism of bicycle includes housing, in the first direction sequentially rotatably arranged with there is belt shaft in the housing, variable-speed shaft and input shaft, and the belt shaft, the variable-speed shaft and the parallel setting of the input shaft, the variable-speed shaft can move back and forth in a second direction, the first master gear is coaxially fixed with the belt shaft, the variable-speed shaft is sequentially coaxially arranged with the second master gear in a second direction, first stud gear, second stud gear and the 3rd master gear, the 3rd change-speed gearing is sequentially coaxially fixed with the input shaft in a second direction, 4th change-speed gearing and the 4th master gear, wherein, first master gear and second master gear are meshed, 3rd master gear and the 4th master gear are meshed；It is complicated to solve existing speed changer structure, chain easily departs from chuck in speed-change process, the problem of causing bicycle not run well.
Description
Technical field
The present invention relates to bicycle accessories, in particular it relates to a kind of preposition gear-shift mechanism of bicycle.
Background technology
Speed changer is often both provided with current bicycle, traditional speed changer has many weak points：1st, speed change
Device is directly exposed in air, and Corrosion Protection is poor；2nd, chain is in driven chuck up conversion, and the person of needing to use is ceaselessly in conversion
Pedal, in pedal, easily because leading to not that speed change, strength are excessive so that chain deviates reservation card using strength is too small
The even whole chain of disk departs from chuck so that bicycle can not run well；3rd, speed changer structure connector is more, if some connects
Fitting failure will directly affect the operating of bicycle.
The content of the invention
It is an object of the invention to provide a kind of preposition gear-shift mechanism of bicycle, solves existing speed changer structure complexity,
Chain easily departs from chuck in speed-change process, the problem of causing bicycle not run well.
To achieve these goals, the invention provides a kind of preposition gear-shift mechanism of bicycle, the bicycle are preposition
Gear-shift mechanism includes housing, in the first direction sequentially rotatably arranged with having belt shaft, variable-speed shaft and input in the housing
Axle, and the belt shaft, the variable-speed shaft and the parallel setting of the input shaft, the variable-speed shaft can be reciprocal in a second direction
Move, be coaxially fixed with the first master gear on the belt shaft, the variable-speed shaft is sequentially coaxially arranged with second in a second direction
Master gear, first stud gear, second stud gear and the 3rd master gear, it is sequentially coaxial solid in a second direction on the input shaft
Surely there are the 3rd change-speed gearing, the 4th change-speed gearing and the 4th master gear, wherein, first master gear and second master gear
It is meshed, the 3rd master gear and the 4th master gear are meshed.
Preferably, a diameter of R1 of the first stud gear, a diameter of R2 of the second stud gear, and R1 ＞
R2。
Preferably, a diameter of R3 of the 4th change-speed gearing, a diameter of R4 of the 3rd change-speed gearing, and R3 ＞
R4。
Preferably, the both ends of the belt shaft are coaxially arranged with clutch shaft bearing respectively, and the outer wall of the clutch shaft bearing is consolidated
Determine on the housing so that the belt shaft can rotate in the clutch shaft bearing by axle of own axes.
Preferably, the both ends of the input shaft are coaxially arranged with second bearing respectively, and the outer wall of the second bearing is consolidated
Determine on the housing so that the input shaft can rotate in the second bearing by axle of own axes.
Preferably, the both ends of the variable-speed shaft are coaxially arranged with 3rd bearing respectively, and the outer wall of the 3rd bearing is consolidated
Determine on the housing so that the variable-speed shaft can rotate in the 3rd bearing by axle of own axes, and the change
Fast axle can move back and forth in a second direction in the 3rd bearing.
According to above-mentioned technical proposal, the invention provides a kind of preposition gear-shift mechanism of bicycle, the bicycle are preposition
Gear-shift mechanism includes housing, in the first direction sequentially rotatably arranged with having belt shaft, variable-speed shaft and input in the housing
Axle, and the belt shaft, the variable-speed shaft and the parallel setting of the input shaft, the variable-speed shaft can be reciprocal in a second direction
Move, be coaxially fixed with the first master gear on the belt shaft, the variable-speed shaft is sequentially coaxially arranged with second in a second direction
Master gear, first stud gear, second stud gear and the 3rd master gear, it is sequentially coaxial solid in a second direction on the input shaft
Surely there are the 3rd change-speed gearing, the 4th change-speed gearing and the 4th master gear, wherein, first master gear and second master gear
It is meshed, the 3rd master gear and the 4th master gear are meshed；The preposition gear-shift mechanism of the bicycle, fill on every axle
Multiple different gears are carried, by moving axially variable-speed shaft, so that different gears on variable-speed shaft and belt shaft, defeated
Enter gear different on axle to be engaged, the different gearratios reached, realize multi-change speed；, will when being assemblied on bicycle
The former input active chain chuck of bicycle unloads, and gearbox is placed on it, during work, rotates input shaft by pedal, defeated
Enter axle rotation, engaged by gear and drive variable-speed shaft to rotate, then engaged by gear and drive belt shaft to rotate, belt shaft and trailing wheel
Connection, there is provided power output.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structure chart of the preposition gear-shift mechanism of bicycle provided by the invention.
Description of reference numerals
1- belt shaft 2- variable-speed shafts
The master gears of 3- input shafts 4- the 4th
The change-speed gearings of the 4th change-speed gearing 6- of 5- the 3rd
7- the second master gear the first master gears of 8-
9- first stud gear 10- second stud gears
The master gears of 11- the 3rd
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, " first direction, second direction " etc. is included in term
The noun of locality only represents orientation of the term under normal service condition, or be skilled artisan understands that be commonly called as, without should
It is considered as the limitation to the term.Here first direction such as Fig. 1 arrows B direction, second direction such as Fig. 1 arrows A direction.
As shown in Figure 1：The invention provides a kind of preposition gear-shift mechanism of bicycle, the preposition gear shift of bicycle
Device includes housing, in the first direction sequentially rotatably arranged with having belt shaft 1, variable-speed shaft 2 and input shaft 3 in the housing, and
The 3 parallel setting of the belt shaft 1, the variable-speed shaft 2 and the input shaft, the variable-speed shaft 2 can be reciprocal in a second direction
Motion, is coaxially fixed with the first master gear 8 on the belt shaft 1, and the variable-speed shaft 2 is sequentially coaxially arranged with the in a second direction
Two master gears 7, first stud gear 9, the master gear 11 of second stud gear 10 and the 3rd, on the input shaft 3 in a second direction
The 3rd change-speed gearing 6, the 4th change-speed gearing 5 and the 4th master gear 4 are sequentially coaxially fixed with, wherein, the He of the first master gear 8
Second master gear 7 is meshed, and the 3rd master gear 11 and the 4th master gear 4 are meshed.The preposition tooth of the bicycle
Wheel speed, multiple different gears is loaded on every axle, by moving axially variable-speed shaft, so that on variable-speed shaft
The different gears gear different from belt shaft, input shaft is engaged, and the different gearratios reached, realizes multi-change speed；
When being assemblied on bicycle, the former input active chain chuck of bicycle is unloaded, gearbox is placed on it, during work, pass through
Pedal rotates input shaft, and input shaft rotates, and is engaged by gear and drives variable-speed shaft to rotate, then is engaged by gear and drive belt
Axle is rotated, and belt shaft is connected with trailing wheel, there is provided power output.Specifically speed change flow is：First speed change state, the 4th master gear
4 and the 3rd master gear 11, the 4th master gear 4 drives the 3rd master gear 11, so as to drive variable-speed shaft 2 to rotate, the second master gear 7 with
3rd master gear 11 is coaxial, and the second master gear 7 rotates, then is engaged with the first master gear 8, drives the first master gear 8, last belt
Axle 1 rotates, and drives bicycle rear to rotate.Second speed change state, mobile variable-speed shaft 2 so that the 4th change-speed gearing 5 and second becomes
Fast gear 10 engages, and drives second stud gear 10 to rotate, and so as to drive variable-speed shaft 2 to rotate, the second master gear 7 and second becomes
Fast gear 10 is coaxial, and the second master gear 7 rotates, then is engaged with the first master gear 8, drives the first master gear 8, last belt shaft 1
Rotate, drive bicycle rear to rotate.3rd speed change state, mobile variable-speed shaft 2 so that the 3rd change-speed gearing 6 and the first speed change
Gear 9 engages, and drives first stud gear 9 to rotate, so as to drive variable-speed shaft 2 to rotate, the second master gear 7 and first stud gear
9 is coaxial, and the second master gear 7 rotates, then is engaged with the first master gear 8, drives the first master gear 8, and last belt shaft 1 rotates, band
Dynamic bicycle rear rotates, and the speed changer has three class gear shift function.
In a kind of preferred embodiment of the present invention, in order to realize more preferable speed changing effect, first gear teeth
A diameter of R1, a diameter of R2 of the second stud gear 10, and the R1 ＞ R2 of wheel 9.
In a kind of preferred embodiment of the present invention, in order to realize more preferable speed changing effect, the 4th gear teeth
A diameter of R3, a diameter of R4 of the 3rd change-speed gearing 6, and the R3 ＞ R4 of wheel 5.
In a kind of preferred embodiment of the present invention, preferably rotated in order that obtaining belt shaft 1, the belt shaft 1
Both ends be coaxially arranged with clutch shaft bearing respectively, and the outer wall of the clutch shaft bearing is fixed on the housing so that the skin
Tape spool 1 can rotate in the clutch shaft bearing by axle of own axes.
In a kind of preferred embodiment of the present invention, preferably rotated in order that obtaining input shaft 3, the input shaft 3
Both ends be coaxially arranged with second bearing respectively, and the outer wall of the second bearing is fixed on the housing so that described defeated
Entering axle 3 can rotate in the second bearing by axle of own axes.
In a kind of preferred embodiment of the present invention, preferably rotated in order that obtaining variable-speed shaft 2, the variable-speed shaft 2
Both ends be coaxially arranged with 3rd bearing respectively, and the outer wall of the 3rd bearing is fixed on the housing so that the change
Fast axle 2 can rotate in the 3rd bearing by axle of own axes, and the variable-speed shaft 2 can be in the 3rd bearing
Move back and forth in a second direction.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (6)
1. a kind of preposition gear-shift mechanism of bicycle, it is characterised in that the preposition gear-shift mechanism of bicycle includes housing, institute
State in housing in the first direction sequentially rotatably arranged with having belt shaft (1), variable-speed shaft (2) and input shaft (3), and the belt
Axle (1), the variable-speed shaft (2) and the parallel setting of the input shaft (3), the variable-speed shaft (2) can be reciprocal in a second direction
Move, be coaxially fixed with the first master gear (8) on the belt shaft (1), the variable-speed shaft (2) sequentially coaxially sets in a second direction
It is equipped with the second master gear (7), first stud gear (9), second stud gear (10) and the 3rd master gear (11), the input shaft
(3) the 3rd change-speed gearing (6), the 4th change-speed gearing (5) and the 4th master gear (4) are sequentially coaxially fixed with a second direction,
Wherein, first master gear (8) and second master gear (7) are meshed, the 3rd master gear (11) and the described 4th
Master gear (4) is meshed.
2. the preposition gear-shift mechanism of bicycle according to claim 1, it is characterised in that the first stud gear (9)
A diameter of R1, a diameter of R2 of the second stud gear (10), and R1 ＞ R2.
3. the preposition gear-shift mechanism of bicycle according to claim 1, it is characterised in that the 4th change-speed gearing (5)
A diameter of R3, a diameter of R4 of the 3rd change-speed gearing (6), and R3 ＞ R4.
4. the preposition gear-shift mechanism of bicycle according to claim 1, it is characterised in that the both ends of the belt shaft (1)
Clutch shaft bearing is coaxially arranged with respectively, and the outer wall of the clutch shaft bearing is fixed on the housing so that the belt shaft (1)
It can be rotated in the clutch shaft bearing by axle of own axes.
5. the preposition gear-shift mechanism of bicycle according to claim 1, it is characterised in that the both ends of the input shaft (3)
Second bearing is coaxially arranged with respectively, and the outer wall of the second bearing is fixed on the housing so that the input shaft (3)
It can be rotated in the second bearing by axle of own axes.
6. the preposition gear-shift mechanism of bicycle according to claim 1, it is characterised in that the both ends of the variable-speed shaft (2)
3rd bearing is coaxially arranged with respectively, and the outer wall of the 3rd bearing is fixed on the housing so that the variable-speed shaft (2)
It can be rotated in the 3rd bearing by axle of own axes, and the variable-speed shaft (2) can be in the 3rd bearing interior edge
Second direction moves back and forth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710844864.5A CN107792293A (en) | 2017-09-19 | 2017-09-19 | The preposition gear-shift mechanism of bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710844864.5A CN107792293A (en) | 2017-09-19 | 2017-09-19 | The preposition gear-shift mechanism of bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107792293A true CN107792293A (en) | 2018-03-13 |
Family
ID=61531874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710844864.5A Pending CN107792293A (en) | 2017-09-19 | 2017-09-19 | The preposition gear-shift mechanism of bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107792293A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131788Y (en) * | 1992-06-15 | 1993-05-05 | 王德满 | Variable-speed device for pedicab |
| CN2480285Y (en) * | 2001-05-23 | 2002-03-06 | 温延斌 | Four-gear speed changing gear box for manpower vehicle |
| US20030080529A1 (en) * | 2001-09-25 | 2003-05-01 | Kenji Morita | Bicycle with speed change gear |
| CN201235906Y (en) * | 2008-05-27 | 2009-05-13 | 黄廷华 | Speed change driver of bicycle |
| KR20140046800A (en) * | 2012-10-11 | 2014-04-21 | 강주신 | Pedal housing and sub-transmission device of chainless bike using sprocket bended 90° |
-
2017
- 2017-09-19 CN CN201710844864.5A patent/CN107792293A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131788Y (en) * | 1992-06-15 | 1993-05-05 | 王德满 | Variable-speed device for pedicab |
| CN2480285Y (en) * | 2001-05-23 | 2002-03-06 | 温延斌 | Four-gear speed changing gear box for manpower vehicle |
| US20030080529A1 (en) * | 2001-09-25 | 2003-05-01 | Kenji Morita | Bicycle with speed change gear |
| CN201235906Y (en) * | 2008-05-27 | 2009-05-13 | 黄廷华 | Speed change driver of bicycle |
| KR20140046800A (en) * | 2012-10-11 | 2014-04-21 | 강주신 | Pedal housing and sub-transmission device of chainless bike using sprocket bended 90° |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180313 |
|
| RJ01 | Rejection of invention patent application after publication |