CN105818923B - Changeable gearshifts level away from bicycle shift system - Google Patents
Changeable gearshifts level away from bicycle shift system Download PDFInfo
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- CN105818923B CN105818923B CN201510010394.3A CN201510010394A CN105818923B CN 105818923 B CN105818923 B CN 105818923B CN 201510010394 A CN201510010394 A CN 201510010394A CN 105818923 B CN105818923 B CN 105818923B
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Abstract
A kind of changeable gearshifts level away from bicycle shift system, include：One front derailleur；One Rear Derailleur；One micro computer is electrically connected at the front derailleur and the Rear Derailleur；One shifting commands input equipment, is electrically connected at the micro computer；And one simplify key, be electrically connected at the micro computer.Wherein, which there is a gear set gear table, the gear set gear table to have a plurality of gear ratios；Wherein, which has at least one to simplify shift logic, omits in the gear set gear table after most gear ratio, retains the plural gear ratio not being omitted and is executed for the micro computer according to a predetermined simplified shift schedule and carry out gear shifting action according to this.
Description
Technical field
The present invention is related with the shift technology of bicycle, particularly relate to a kind of changeable gearshifts level away from bicycle shift system
System.
Background technology
US 5,653, No. 649 patents in the U.S. disclose a kind of technology executing gear shifting action using computer system,
It is technically characterized in that there is a Rear Derailleur and a front derailleur, when accelerating to operate, first controls Rear Derailleur by its canine tooth
It takes turns to minimum gear sequence to shift gears, then controls front derailleur and maximum gear sequence shift is taken turns to by minimum tooth；And it is grasped slowing down
When making, first controls Rear Derailleur and maximum gear sequence shift is taken turns to by minimum tooth, control front derailleur again later by maximum gear
It shifts gears to minimum gear sequence.Such technology is a kind of mode of sequence shift, and such technology is only capable of normally trampling shape
It is used under condition, when rider wants to carry out speed change with the gear ratio of larger gap (i.e. larger gearshifts level away from), aforementioned techniques are still
So be only capable of sequentially speed change, can not according to the demand of rider come change gearshifts level away from.
Chinese CN 104071296A patents are also disclosed that similar to the aforementioned technology sequentially shifted gears, however, it is by tooth
The action for taking turns the gear ratio than selected section in table sequentially to be shifted gears, and not all gear ratio all uses.
US No. 5,865,454 patents in the U.S. disclose front derailleur and Rear Derailleur mate gear carrys out the shift control of speed change
System sequence, with multigroup shift control sequence.However, still cannot according to the demand of rider come change gearshifts level away from.
Invention content
The purpose of the present invention is to provide a kind of changeable gearshifts level away from bicycle shift system, can be according to rider's
Demand changes gearshifts level away from achieving the effect that simplified gear ratio.
To achieve the above object, changeable gearshifts level provided by the invention away from bicycle shift system, include：Before one
Speed changer, is set to a bicycle and the front gear group corresponding to the bicycle, the front gear group have it is a plurality of from large to small
Gear, and it is connected to a wherein gear chain of the bicycle；One Rear Derailleur is set to the bicycle and corresponds to this voluntarily
The backgear group of vehicle, which has a plurality of gears from large to small, and is connected to the bicycle with a wherein gear
Chain；One micro computer is electrically connected at the front derailleur and the Rear Derailleur, and controls the front derailleur and the Rear Derailleur
Carry out gear shifting action；One shifting commands input equipment, is electrically connected at the micro computer, which is according to the shifting commands
The operation of input equipment and the action for executing shift；And one simplify key, be electrically connected at the micro computer；Wherein, the micro computer
With a gear set gear table, which there is each gear of the front gear group to correspond to each of the backgear group
A plurality of gear ratios of a gear；Wherein, which has at least one to simplify shift logic, omits the gear set gear table
In after most gear ratio, retain the plural gear ratio not being omitted and held for the micro computer according to a predetermined shift schedule that simplifies
Row carries out gear shifting action to control the front derailleur or the Rear Derailleur；When the simplification key is operated, which executes should
Simplify shift logic.
Thus it can reach and simplify shift logic, and then gear ratio between change shift gear according to the demand of rider
Class interval achievees the effect that simplified gear ratio.
Description of the drawings
Fig. 1 is the block schematic diagram of the first preferred embodiment of the invention.
Fig. 2 is the structural schematic diagram of the first preferred embodiment of the invention, shows the structure of bicycle.
Fig. 3 is the shift schedule schematic diagram of the first preferred embodiment of the invention.
Fig. 4 is the block schematic diagram of the second preferred embodiment of the invention.
Fig. 5 is the block schematic diagram of third preferred embodiment of the present invention.
Symbol description in attached drawing
10 changeable gearshifts levels away from bicycle shift system, 11 front derailleurs, 21 Rear Derailleurs, 31 micro computers, 32 teeth
Wheel group gear table, 34 standard shift logics, 36 simplify shift logics, 41 shifting commands input equipments, and 411 plus block key, 412
Downshift key, 46 simplify key；
10 ' changeable gearshifts levels away from bicycle shift system, 31 ' micro computers, 34 ' standard shift logics, 36 ' simplify
Shift logic, 41 ' shifting commands input equipments, 46 ' simplify key；
10 " changeable gearshifts levels away from bicycle shift system, 11 " front derailleurs, 21 " Rear Derailleurs, 31 " micro computers,
32 " gear set gear tables, 36 " simplify shift logics, 41 " shifting commands input equipments, and 411 " plus block key, 412 " downshift keys,
90 bicycles, 91 front gear groups, 92 backgear groups, 99 chains.
Specific implementation mode
For the technical characterstic place that the present invention will be described in detail, lifts preferred embodiment below and coordinate description of the drawings such as
Afterwards, wherein：
As shown in Figure 1 to Figure 3, a kind of changeable gearshifts level that first preferred embodiment of the invention is provided away from bicycle
Speed change system 10, mainly by a front derailleur 11, a Rear Derailleur 21, a micro computer 31 and a shifting commands input equipment
41 are formed, wherein：
The front derailleur 11 is set to a bicycle 90 and the front gear group 91 corresponding to the bicycle 90, the front gear group
91 have a plurality of gears from large to small, and the chain 99 of the bicycle 90 is connected to a wherein gear.
The Rear Derailleur 21 is set to the bicycle 90 and the backgear group 92 corresponding to the bicycle 90, the backgear group
92 have a plurality of gears from large to small, and the chain 99 of the bicycle 90 is connected to a wherein gear.
The micro computer 31 is electrically connected at the front derailleur 11 and the Rear Derailleur 21, and control the front derailleur 11 and
The Rear Derailleur 21 carries out gear shifting action.
The shifting commands input equipment 41 is electrically connected at the micro computer 31, which referred to according to the shift
It enables the operation of input equipment 41 and executes the action of shift.
Wherein, which there is a gear set gear table 32, the gear set gear table 32 to have the front gear group 91
Each gear correspond to the backgear group 92 each gear a plurality of gear ratios as gear.The gear set gear table 32
Content it is as shown in table 1, wherein front gear group 91 is shown in horizontal axis by taking 3 gears as an example, and backgear group 92 is with 10 gears
For and be shown in the longitudinal axis, the ratio in table is gear ratio, therefore actual gear ratio has 30.
Wherein, which has a standard shift logic 34, takes 32 middle part split-phase neighbour's of the gear set gear table
Plural gear ratio, and the plural gear ratio being drawn with these according to a predetermined shift schedule (for example, by pinion gear ratio to canine tooth
Take turns ratio or by gear wheel ratio to pinion gear ratio) it is executed for the micro computer 31, to control the front derailleur 11 or the Rear Derailleur 21
Carry out gear shifting action.Table 2 shows the gear ratio being drawn, and the gear ratio not being drawn is deleted.Wherein, it is pre- to define this
The technology for determining shift schedule has seen known technology (such as US 5,653,649 or CN 104071296A patents), therefore holds
No longer give detailed description.
The present invention also includes a simplification key 46, is electrically connected at the micro computer 31.
The micro computer 31 has at least one to simplify shift logic 36, is the plural number taken with the standard shift logic 34
Based on gear ratio, after omitting some of gear ratios, retains the plural gear ratio not being omitted and shift gears according to predetermined simplify
Sequentially (for example, by pinion gear ratio to gear wheel ratio or by gear wheel ratio to pinion gear ratio) is executed for the micro computer 31, with control
The front derailleur 11 or the Rear Derailleur 21 carry out gear shifting action.Wherein, when which is operated, which executes
The simplification shift logic 36.Aforementioned its adjacent class interval of retained plural gear ratio is changed because this simplification acts
Become.
The gear ratio being retained after simplification, is shown in table 3.And predetermined simplified shift schedule above-mentioned, shift
Sequence is Fig. 3 expressions.
Aforementioned retained plural gear ratio, it is however generally that most simplified is 2 gear ratios, i.e., high gear when low gear
The gear ratio of ratio.However, general beginner, it will usually which the shift schedule with 3 gear ratios (i.e. basic, normal, high gear ratio) is
Relatively it is suitble to, therefore, the plural gear ratio of reservation is relatively suitble to beginner with 3 or more, and slightly multi-gear ratio (such as 7) is then fitted
Close it is advanced, as unreduced shift schedule, then be suitble to more professional rider be finely adjusted.
In this first embodiment, respectively gear of the front gear group 91 has corresponding to 36 institute of the simplification shift logic
At least one gear ratio retained.By can be seen that in table 3, each gear of the front gear group 91 has a corresponding gear ratio.
In addition, in this first embodiment, which is by one plus block key 411 and a downshift
Key 412 is formed.And the predetermined simplified shift schedule of the simplification shift logic 36, it is not in recurrent state.Therefore, work as rider
When wanting shift, can by operation should plus block key 411 and the downshift key 412 select plus gear or downshift, and due to the simplification after
Shift schedule be in recurrent state, if therefore arrived highest gear than gear ratio, even if rider operate again should plus keep off
Key 411, the operation which will not shift gears again.
The framework of this first embodiment is explained above, the mode of operation of this first embodiment will be illustrated next.
Referring again to Fig. 1 to Fig. 2 and table 2, when normal condition rides, when rider's operation should add block key 411 or this to subtract
When block key 412, according to the gear of the standard shift logic 34 and table 2, when the predetermined shift schedule executes the micro computer 31
Gear shifting action.After rider operates the simplification key 46, as shown in Fig. 3 and table 3, which no longer executes the standard
Shift logic 34 and change execute the simplification shift logic 36, and rider operation should plus block key 411 or the downshift key 412
When, according to 3 gears shown in table 3 when this predetermined simplify shift schedule and execute gear shifting action.Operator can set the letter
Change key 46 is operated again once can release simplified state and return to normal condition above-mentioned, be conveniently operated for rider.
It is noted that in table 3 above-mentioned by taking 3 gear ratios as an example only be citing, not with 3 for limitation,
Under the premise of less than the gear ratio quantity of table 2, can also there are more gear ratios in table 3.
In addition, what must be supplemented is a bit, simplified pattern can also have 2 kinds or two or more, and its corresponding simplified shift
Logic 36 can have 2 or 2 or more.Only have 3 gear ratios in table 3 above-mentioned, and be overly simplified pattern, in design
Gear ratio can also be increased to 6, as shown in table 4, can equally achieve the effect that simplified gear ratio, thus, the letter of table 3
It is the gear ratio for representing two different simplification shift logics 36 and being taken to change gear ratio from the simplification gear ratio of table 4.
From the foregoing, it will be observed that this first embodiment can simplify the gear ratio quantity of shift after operating the simplification key 46, therefore
Gearshifts level can be changed away from achieving the effect that simplified gear ratio according to the demand of rider.
Referring again to Fig. 4, a kind of changeable gearshifts level that the second preferred embodiment of the invention is provided away from bicycle become
Speed system 10 ' takes off first embodiment before being mainly generally same as, the difference is that：
The shifting commands input equipment 41 ' is made of single key, and the predetermined letter of the simplification shift logic 36 '
Change shift schedule (for example, by pinion gear ratio to gear wheel ratio), is in recurrent state.Therefore, after the simplification key 46 ' is operated
And in the state of simplifying shift mode, when rider is to be shifted gears, as long as operating the shifting commands input equipment 41 ',
The micro computer 31 ' is to recycle shift according to the shift schedule after simplifying defined in the simplification shift logic 36 '.
Since the shifting commands input equipment 41 ' can facilitate cycle to shift gears in the state of simplifying shift, if but switching back into
When normal standard shift logic 34 ', has gear ratio quantity and cause the problem of circulating picture-changing is blocked too much, therefore is general
Can be different from bicycle 90 original just having set plus block key (not shown) and downshift key (not shown) and in addition again
Row setting, and as shifting commands input equipment 41 ' used in exclusive simplified shift.
Remaining structure of this second embodiment and the effect of capable of reaching, are generally same as aforementioned first embodiment, and appearance is not gone to live in the household of one's in-laws on getting married
It states.
Referring again to Fig. 5, a kind of changeable gearshifts level that third preferred embodiment of the present invention is provided away from bicycle become
Speed system 10 " is mainly generally same as aforementioned first embodiment, the difference is that：
The shifting commands input equipment 41 " is to add block key 411 " and the combination of downshift key 412 " to be constituted by two groups,
In one group add the combination of block key 411 " and downshift key 412 " correspond to the front derailleur 11 " gear shifting action, it is another combination then
Corresponding to the gear shifting action of the Rear Derailleur 21 ".
This third embodiment does not have the standard shift logic in first embodiment, but by the gear set gear table 32 "
In all gear ratio transfer to rider so that two groups of combinations for adding block key 411 " and downshift key 412 ", Jin Erming is manually operated
The micro computer 31 " is enabled to control the front derailleur 11 " and the dynamic action of the Rear Derailleur 21 " execution shift respectively.
And the simplification shift logic 36 ", the mode for omitting gear are also different from aforementioned first embodiment, are direct
It omits in the gear set gear table 32 " (its content is identical as table 1, therefore no longer shows) after most gear ratio, reservation is few
The plural gear ratio that part is not omitted carrys out the gear (gear of reservation is by taking content shown in table 3 as an example) as shift, micro- for this
Foundation when computer 31 " is as shift.
Thus, under the situation of no standard shift logic, this third embodiment still can reach simplified shift
Gear ratio quantity effect.
Remaining framework of this third embodiment and the effect of capable of reaching, are generally same as aforementioned first embodiment, and appearance is no longer given superfluous
It states.
Table 1
Table 2
Table 3
Table 4
。
Claims (9)
1. a kind of changeable gearshifts level away from bicycle shift system, include：
One front derailleur, be set to a bicycle and corresponding to the bicycle front gear group, the front gear group have it is a plurality of by
It is big to small gear, and be connected to a wherein gear chain of the bicycle；
One Rear Derailleur, be set to the bicycle and corresponding to the bicycle backgear group, the backgear group have it is a plurality of by
It is big to small gear, and be connected to a wherein gear chain of the bicycle；
One micro computer is electrically connected at the front derailleur and the Rear Derailleur, and control the front derailleur and the Rear Derailleur into
Row gear shifting action；And
One shifting commands input equipment, is electrically connected at the micro computer, which is according to the shifting commands input equipment
Operation and execute the action of shift；
Wherein, which there is a gear set gear table, the gear set gear table to have each gear mesh of the front gear group
It should be in a plurality of gear ratios of each gear of the backgear group；
It is characterized in that：
Include a simplification key, is electrically connected at the micro computer；
The micro computer has at least one to simplify shift logic, omits in the gear set gear table after most gear ratio, retains
The plural gear ratio that small part is not omitted is executed according to a predetermined shift schedule that simplifies for the micro computer, to control the preceding speed change
Device or the Rear Derailleur carry out gear shifting action；When the simplification key is operated, which executes the simplification shift logic.
2. according to claim 1 can be changed gearshifts level away from bicycle shift system, wherein the simplification shift logic,
It is 3~7 to omit the gear ratio quantity after most gear ratio, retained in the gear set gear table.
3. according to claim 1 can be changed gearshifts level away from bicycle shift system, wherein respectively tooth of the front gear group
Wheel has at least one gear ratio retained corresponding to the simplification shift logic.
4. according to claim 1 can be changed gearshifts level away from bicycle shift system, wherein the shifting commands input set
Standby be made of single key, and the shift schedule of the simplification shift logic is in recurrent state.
5. according to claim 1 can be changed gearshifts level away from bicycle shift system, wherein the shifting commands input set
It is standby to be made of one plus block key and a downshift key.
6. according to claim 5 can be changed gearshifts level away from bicycle shift system, wherein the simplification shift logic
Shift schedule is not in recurrent state.
7. according to claim 1 can be changed gearshifts level away from bicycle shift system, wherein the micro computer have a standard
Shift logic is taken the plural gear ratio of part in the gear set gear table, and is defined with the plural gear ratio that these are drawn
It is executed for the micro computer according to a predetermined shift schedule, gear shifting action is carried out by controlling the front derailleur or the Rear Derailleur.
8. according to claim 7 can be changed gearshifts level away from bicycle shift system, wherein the simplification shift logic, institute
The gear ratio of omission is omitted in the plural gear ratio taken by the standard shift logic, and the standard shift logic institute
The gear ratio not being omitted in the plural gear ratio taken is retained, and supplies the micro computer according to the predetermined shift schedule that simplifies
It executes.
9. according to claim 8 can be changed gearshifts level away from bicycle shift system, wherein the retained gear ratio number
Amount is 3~7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510010394.3A CN105818923B (en) | 2015-01-09 | 2015-01-09 | Changeable gearshifts level away from bicycle shift system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510010394.3A CN105818923B (en) | 2015-01-09 | 2015-01-09 | Changeable gearshifts level away from bicycle shift system |
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| Publication Number | Publication Date |
|---|---|
| CN105818923A CN105818923A (en) | 2016-08-03 |
| CN105818923B true CN105818923B (en) | 2018-08-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0543453A1 (en) * | 1991-11-18 | 1993-05-26 | SOCIETA' ITALIANA CATENE CALIBRATE REGINA S.p.A. | Automated bicycle transmission |
| US5653649A (en) * | 1993-10-06 | 1997-08-05 | Shimano, Inc. | Shifting apparatus for operating front and rear derailleurs with a single manual lever |
| US5865454A (en) * | 1995-06-07 | 1999-02-02 | Campagnolo S.R.L. | Electronically controlled speed change device for bicycles |
| CN104071296A (en) * | 2013-03-26 | 2014-10-01 | 株式会社岛野 | Bicycle gear changing apparatus |
-
2015
- 2015-01-09 CN CN201510010394.3A patent/CN105818923B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0543453A1 (en) * | 1991-11-18 | 1993-05-26 | SOCIETA' ITALIANA CATENE CALIBRATE REGINA S.p.A. | Automated bicycle transmission |
| US5653649A (en) * | 1993-10-06 | 1997-08-05 | Shimano, Inc. | Shifting apparatus for operating front and rear derailleurs with a single manual lever |
| US5865454A (en) * | 1995-06-07 | 1999-02-02 | Campagnolo S.R.L. | Electronically controlled speed change device for bicycles |
| CN104071296A (en) * | 2013-03-26 | 2014-10-01 | 株式会社岛野 | Bicycle gear changing apparatus |
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| Publication number | Publication date |
|---|---|
| CN105818923A (en) | 2016-08-03 |
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