CN206900581U - Multi-speed bicycle and its gear changing mechanism and device - Google Patents
Multi-speed bicycle and its gear changing mechanism and device Download PDFInfo
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- CN206900581U CN206900581U CN201720660891.2U CN201720660891U CN206900581U CN 206900581 U CN206900581 U CN 206900581U CN 201720660891 U CN201720660891 U CN 201720660891U CN 206900581 U CN206900581 U CN 206900581U
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Abstract
The utility model provides a kind of multi-speed bicycle and its gear changing mechanism and device, is related to the technical field of bicycle, wherein, a kind of gear changing mechanism, speed obtains the current vehicle speed that mechanism is used to obtain multi-speed bicycle；Gear obtains mechanism and is used to obtain the preceding shift cable capstan winch position of current shift and rear shift cable capstan winch position；MCU judges whether to need variable block according to current vehicle speed with the relation of preceding shift cable capstan winch position and the preset vehicle speed of rear shift cable capstan winch position correspondence；If then being adjusted preceding shift cable capstan winch to target gear position from current location by preceding governor motion, or rear shift cable capstan winch is adjusted to target gear position from current location by rear governor motion；If otherwise keeping preceding shift cable capstan winch position and rear shift cable capstan winch position, solves existing multi-speed bicycle gearshift painstakingly, shift logic is difficult to the technical problem of control, has reached the technique effect of adaptive variable block.
Description
Technical field
Technical field of bicycles is the utility model is related to, more particularly, to a kind of multi-speed bicycle and its gear changing mechanism and dress
Put.
Background technology
The effect of bicycle shift system is exactly to be changed by changing the cooperation of the chain wheel of chain and different forward and backward sizes
Become speed speed.The size of preceding chain wheel and the size of rear chain wheel determine dynamics during bicycle turn pedal.Preceding chain wheel is bigger,
More feel laborious when chain wheel is smaller afterwards, during pedal.Preceding chain wheel is smaller, is more felt relief when rear chain wheel is bigger, during pedal.According to not
With the ability of bicyclist, you can the size by adjusting forward and backward chain wheel adjusts the speed of bicycle, or the road that reply is different
Section, road conditions.
The appearance of speed changer, greatly save the long-distance manpower consumption to ride so that people go up a slope more in ride
Easily, level road can lift speed as far as possible.Most starting the bicycle speed-varying unit occurred, its gearshift uses mechanical system, by using
Family, which is stirred speed change and referred to, dials, then drives derailleur by shift cable, chain is toggled it on the different chain wheel of the number of teeth and shifted gears.Changing
During gear, people need divert one's attention set gear and stir speed change refer to dial, due to the presence of back-moving spring, to women and youngster
For child, it is painstaking to stir comparison.It is difficult to hold the rhythm shifted gears again in ride for many new hands.
With the development of technology, there is electronic transmission motor being integrated in derailleur, this electronic transmission
Executing agency is driven by motor.Therefore, this electricity, which becomes, only substituted for executing agency, not bring gearshift upper more
Convenient and auxiliary.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of multi-speed bicycle and its gear changing mechanism and device, with
Solves existing multi-speed bicycle gearshift painstakingly, shift logic is difficult to the technical problem of control.
In a first aspect, the utility model embodiment provides a kind of gear changing mechanism, including MCU (Microcontroller
Unit, abbreviation MCU) and connection MCU speed obtains mechanism, gear obtains mechanism, preceding governor motion and rear governor motion；
Speed obtains the current vehicle speed that mechanism is used to obtain multi-speed bicycle；
Gear obtains mechanism and is used to obtain the preceding shift cable capstan winch position of current shift and rear shift cable capstan winch position；
MCU is according to current vehicle speed, with the preset vehicle speed of preceding shift cable capstan winch position and rear shift cable capstan winch position correspondence
Relation judges whether to need variable block；
If so, then adjusted preceding shift cable capstan winch to target gear position from current location by preceding governor motion, or it is logical
Later governor motion adjusts rear shift cable capstan winch to target gear position from current location；
If it is not, then keep preceding shift cable capstan winch position and rear shift cable capstan winch position.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, it is the Hall sensor located at hind axle that speed, which obtains mechanism, and current vehicle speed is rear wheel rotation speed；
Or；
It is the Hall sensor located at axis that speed, which obtains mechanism, and current vehicle speed is that traveling steps on frequency.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In, gear obtains the preceding shift cable capstan winch position that mechanism obtains current shift by preceding angular transducer, passes through rear angle sensor
Device obtains the rear shift cable capstan winch position of current shift.
With reference in a first aspect, the utility model embodiment provides the third possible embodiment of first aspect, its
In, in addition to remote-control gear；
Remote-control gear sends shift transformation signal by radio communication to MCU；
MCU is adjusted preceding shift cable capstan winch to targeted gear from current location by preceding governor motion according to shift transformation signal
Position position, or adjusted rear shift cable capstan winch to target gear position from current location by rear governor motion.
With reference in a first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, its
In, rear governor motion includes rear motor-drive circuit, rear motor and rear reduction box；
When current vehicle speed and rear shift cable capstan winch position mismatch, motor-drive circuit sends plus kept off signal to MCU backward
Or downshift signal；
Afterwards motor-drive circuit according to plus gear signal or downshift signal driving after motor it is positive/negative to motion；
Motor is positive/negative afterwards passes through position of the rear reduction box by rear shift cable capstan winch position adjustments extremely plus after gear into rotation process
Put or downshift after position.
With reference in a first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, its
In, preceding governor motion includes front motor drive circuit, front motor and front reduction gear case；
When current vehicle speed and preceding shift cable capstan winch position mismatch, motor-drive circuit sends plus kept off signal to MCU forward
Or downshift signal；
Front motor drive circuit according to plus gear signal or downshift signal drive front motor it is positive/negative to motion；
Front motor is positive/negative to pass through position of the front reduction gear case by preceding shift cable capstan winch position adjustments extremely plus after gear into rotation process
Put or downshift after position.
With reference in a first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, its
In, the position of shift cable capstan winch after the movable part of rear angular transducer is obtained by the pinion rotation of reduction box after detection.
With reference in a first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, its
In, in addition to battery, battery for MCU, preceding governor motion and rear governor motion for providing operating voltage.
Second aspect, the utility model embodiment additionally provide a kind of gear-changing device, including supporting mechanism and such as first
Gear changing mechanism described in aspect；
Supporting mechanism is used to support gear changing mechanism；
Supporting mechanism also includes the fixed structure being detachably connected with multi-speed bicycle vehicle frame.
The third aspect, the utility model embodiment additionally provide a kind of gear-changing device, including multi-speed bicycle body, and
Gear-changing device described in second aspect；
The vehicle frame of the supporting mechanism of gear-changing device and multi-speed bicycle body is detachably connected；
Shift cable before preceding shift cable capstan winch connection, shift cable after rear shift cable capstan winch connection.
The utility model embodiment brings following beneficial effect：
The MCU for the gear changing mechanism that the utility model embodiment provides obtains the current vehicle of mechanism acquisition bicycle by speed
Speed；Mechanism is obtained by gear and obtains the preceding shift cable capstan winch position of current shift and rear shift cable capstan winch position；MCU according to work as
Preceding speed, judge whether to need to become with the relation of preceding shift cable capstan winch position and the preset vehicle speed of rear shift cable capstan winch position correspondence
Gear；If necessary to variable block, then preceding shift cable capstan winch is adjusted to target gear position from current location by preceding governor motion, or
Rear shift cable capstan winch is adjusted to target gear position from current location by rear governor motion；If not needing variable block, protect
Hold preceding shift cable capstan winch position and rear shift cable capstan winch position.The present embodiment by current vehicle speed and current shift speed it
Between matching relationship, whether need variable block, if necessary to variable block, then carry out variable block if judging the current state of multi-speed bicycle, real
The self application variable block of multi-speed bicycle is showed, has made bicyclist and ridden all the time with more comfortable frequency of stepping on, avoided because bicyclist passes through
Speed change by mistake is tested caused by deficiency, and then makes to ride and wastes time and energy.
Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram for the gear changing mechanism that the utility model embodiment 1 provides；
Fig. 2 is another schematic diagram for the gear changing mechanism that the utility model embodiment 1 provides；
Fig. 3 is the variable block flow chart for the gear changing mechanism that the utility model embodiment 2 provides；
Fig. 4 is another variable block flow chart for the gear changing mechanism that the utility model embodiment 2 provides；
Fig. 5 is the structural representation for the gear-changing device that the utility model embodiment 3 provides.
Fig. 6 is the structural representation for the multi-speed bicycle that the utility model embodiment 4 provides
Icon：11-MCU；12- speeds obtain mechanism；121- magnet steel；13- gears obtain mechanism；Angular transducer before 131-
Movable part；The movable part of angular transducer after 132-；Governor motion before 141-；1411- front motors；1412- front reduction gears
Case；Governor motion after 142-；Motor after 1421-；Reduction box after 1422-；15- remote-control gears；16- batteries；Shift cable before 21-
Capstan winch；Shift cable capstan winch after 22-；3- supporting mechanisms；311- front through hole；Through hole after 312-；Guide protrusions before 321-；Before 3211-
Pilot hole；Guide protrusions after 322-；Pilot hole after 3221-；4- gear-changing devices；5- multi-speed bicycle bodies；Shift cable before 511-；
512- front chain movers；Shift cable after 521-；522- rear chiain-moving devices.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
The problem of gearshift is painstaking, and shift logic is difficult to control be present in current multi-speed bicycle, based on this, the utility model
A kind of multi-speed bicycle and its gear changing mechanism that embodiment provides, can carry out adaptive variable block.
For ease of understanding the present embodiment, a kind of gear changing mechanism disclosed in the utility model embodiment is entered first
Row is discussed in detail.
Embodiment 1
As shown in figure 1, a kind of gear changing mechanism is present embodiments provided, including MCU 11 and connection MCU 11 speed obtain
Mechanism 12, gear is taken to obtain mechanism 13, preceding governor motion 141 and rear governor motion 142；Speed obtains mechanism 12 and is used to obtain change
The current vehicle speed of fast bicycle；Gear obtains mechanism 13 and is used to obtain the preceding position of shift cable capstan winch 21 of current shift and rear speed change
The position of line capstan winch 22；MCU 11 is according to current vehicle speed, with the preceding position of shift cable capstan winch 21 and the rear position correspondence of shift cable capstan winch 22
The relation of preset vehicle speed judge whether to need variable block；If so, then by preceding governor motion 141 by preceding shift cable capstan winch 21 from work as
Front position is adjusted to target gear position, or by rear governor motion 142 by rear shift cable capstan winch 22 from current location adjust to
Target gear position；If it is not, then keep the preceding position of shift cable capstan winch 21 and the rear position of shift cable capstan winch 22.
The present embodiment judges multi-speed bicycle by the matching relationship between current vehicle speed and current shift pre-set velocity
Whether current state needs variable block, if necessary to variable block, then carries out variable block, realizes the self application variable block of multi-speed bicycle, makes
Bicyclist is ridden with more comfortable frequency of stepping on all the time, avoids and speed change is missed caused by bicyclist lacks experience, and then make to ride
Waste time and energy.
Speed in the present embodiment can be that rear wheel rotation speed or traveling step on frequency, therefore, MCU can be by rotating after
Hall sensor on axle obtains rear wheel rotation speed (specific as shown in Figure 6), and the magnet steel 121 of Hall sensor is located at hind axle bar
On；Traveling is either obtained by the Hall sensor on axis and steps on frequency or after the rear wheel rotation speed measured, according to current
The ratio that gear steps on frequency and trailing wheel speed obtains traveling and steps on frequency, or after measuring traveling and stepping on frequency, according to current shift step on frequency with
The ratio of trailing wheel speed obtains trailing wheel speed.During actual use, it can be selected as the case may be.Moreover, hall sensing
Device is magnetic sensor, reduces the electrical source consumption of gear changing mechanism, is advantageous to save and extends gear changing mechanism single charge or electricity
Usage time after the replacing of source.
As the preferred embodiment of the present embodiment, Hall sensor is set simultaneously on hind axle and axis, examined respectively
Survey rear wheel rotation speed and step on frequency, and when MCU is detected and stepped on frequency, start variable block flow, obtain mechanism by gear and obtain and work as front
Position, traveling is conversed according to rear wheel rotation speed and current shift and steps on frequency, and actually stepped on what is detected located at the Hall sensor of axis
Frequency is contrasted, and judges whether to step on sky phenomenon, if then preferably issuing the user with prompting；Compare traveling to step on frequency and work as front
The default of position steps on whether frequency needs to shift gears, if traveling steps on frequency and steps on frequency, plus gear, on the contrary then downshift more than default.
As shown in Fig. 2 the preferred embodiment as the present embodiment, in addition to remote-control gear 15；Remote-control gear 15 passes through
Radio communication sends shift transformation signal to MCU 11；Before MCU 11 is incited somebody to action according to shift transformation signal by preceding governor motion 141
Shift cable capstan winch 21 is adjusted to target gear position from current location, or by rear governor motion 142 by rear shift cable capstan winch
22 are adjusted to target gear position from current location.
Present embodiment realizes manual light variable block by remote-control gear, without laborious, can according to specific road conditions and
Demand of riding carries out variable block manually.
The change gear pattern of the present embodiment preferably includes automatic mode, manual mode and mixed mode.
During automatic mode, gear judges according to the matching relationship between current vehicle speed and the preset vehicle speed of current shift
Whether is variable block, and variable block is carried out when needing variable block.
During manual mode, bicyclist passes through the manual variable block of remote-control gear according to road conditions and experience.
Mixed mode, automatic shifting are used in mixed way pattern with manual variable block, and MCU detects remote signal in real time, while in real time
Compare whether current vehicle speed matches with the preset vehicle speed of current shift, both allowed gear changing mechanism to carry out self application variable block, also allowed
The manual variable block of bicyclist.
Rear governor motion in the present embodiment includes rear motor-drive circuit, rear motor and rear reduction box；In current vehicle speed
When being mismatched with rear shift cable capstan winch position, motor-drive circuit sends plus kept off signal or downshift signal to MCU backward；Motor drives afterwards
Dynamic circuit according to plus gear signal or downshift signal drive after motor it is positive/negative to motion；Motor is positive/negative afterwards passes through into rotation process
Rear shift cable capstan winch position adjustments are extremely added the position after keeping off or the position after downshift by reduction box afterwards.
Preceding governor motion includes front motor drive circuit, front motor and front reduction gear case；Twisted in current vehicle speed and preceding shift cable
When disk position mismatches, motor-drive circuit sends plus kept off signal or downshift signal to MCU forward；Front motor drive circuit according to plus
Keep off signal or downshift signal driving front motor is positive/negative to motion；Front motor it is positive/negative into rotation process by front reduction gear case will before
Shift cable capstan winch position adjustments extremely add the position after keeping off or the position after downshift.
The front motor drive circuit and rear motor-drive circuit of the present embodiment are preferably H-bridge drive circuit.
As the another embodiment of the present embodiment, the gear changing mechanism described in the present embodiment also includes battery 16, stores
Battery 16 is used to provide operating voltage for MCU 11, preceding governor motion 141 and rear governor motion 142.
The charging inlet of battery 16 is preferably USB port, facilitates the charging of battery 16, in addition, battery 16 compared to
Dry cell is more conducive to environmental protection, and service life is longer.
In addition, the gear of the present embodiment obtains the preceding shift cable capstan winch that mechanism obtains current shift by preceding angular transducer
Position, the rear shift cable capstan winch position of current shift is obtained by rear angular transducer.Preferred embodiment is：
As shown in figure 5, the movable part 132 of rear angular transducer is obtained by the pinion rotation of reduction box after detection 1422
Take the position of rear shift cable capstan winch 22, the fixed part connection MCU of rear angular transducer, and by the movable part of rear angular transducer
MCU is sent after dividing the signal transactings of 132 collections.
Similarly, before the movable part 131 of preceding angular transducer is obtained by detecting the pinion rotation of front reduction gear case 1412
The position of shift cable capstan winch 21, the fixed part connection MCU of preceding angular transducer, and by the movable part of preceding angular transducer
MCU is sent after the signal transacting of 131 collections.
Forward and backward angular transducer in the present embodiment preferably uses magnetic coder, to reduce the electrical source consumption of gear changing mechanism,
Be advantageous to save and extend gear changing mechanism single charge or power supply change after usage time.
Embodiment 2
As shown in figure 3, present embodiments providing a kind of variable block method, comprise the following steps：
S102. the current vehicle speed of mechanism acquisition multi-speed bicycle is obtained by speed.
S104. mechanism is obtained by gear to be used to obtain the preceding shift cable capstan winch position of current shift and rear shift cable capstan winch
Position；
S106.MCU judges according to the relation between current vehicle speed and preceding shift cable capstan winch position, rear shift cable capstan winch position
Currently whether variable block is needed, if then performing step S108, if otherwise performing step S110；
S108. preceding shift cable capstan winch is adjusted to target gear position from current location by preceding governor motion, or passed through
Governor motion adjusts rear shift cable capstan winch to target gear position from current location afterwards；
S1010. preceding shift cable capstan winch position and rear shift cable capstan winch position are kept.
The present embodiment judges the current of multi-speed bicycle by the matching relationship between current vehicle speed and current shift speed
Whether state needs variable block, if necessary to variable block, then carries out variable block, realizes the self application variable block of multi-speed bicycle, makes to ride
Person is ridden with more comfortable frequency of stepping on all the time, avoids and speed change is missed caused by bicyclist lacks experience, and then it is time-consuming to make to ride
Arduously.
As shown in figure 4, the another embodiment as the present embodiment, step S106 also includes before：
S1051. judge whether to receive the variable block signal that remote-control gear is sent, if then performing S1052, if otherwise performing
S106；
S1052. preceding shift cable capstan winch is adjusted to mesh from current location by preceding governor motion according to shift transformation signal
Gear positions are marked, or are adjusted rear shift cable capstan winch to target gear position from current location by rear governor motion.
The variable block method that the utility model embodiment provides, the gear changing mechanism provided with above-described embodiment have identical skill
Art feature, so can also solve identical technical problem, reach identical technique effect, will not be described here.
Embodiment 3
As shown in figure 5, a kind of gear-changing device, including supporting mechanism 3 and the gear changing mechanism described in embodiment 1；Support machine
Structure 3 is used to support gear changing mechanism；Supporting mechanism 3 also includes the fixed structure being detachably connected with multi-speed bicycle vehicle frame.
The connection front reduction gear of front motor 1411 case 1412, reduction box 1422 after rear motor 1421 connects, front reduction gear case 1412
The movable part 131 of shift cable capstan winch 21 and preceding angular transducer before both sides are respectively equipped with, the both sides difference of rear reduction box 1422
Movable part 132 provided with rear shift cable capstan winch 22 Yu rear angular transducer.
Supporting mechanism 3 described in the present embodiment is preferably the supporting construction that section is L-type, and two reduction boxes arrange in opposite directions, and
The one side of supporting mechanism 3 is fixedly arranged on, the another side of supporting mechanism 3 offers front through hole 311 and rear through hole 312, preceding speed change
The input of line capstan winch 21 connects the output end of front reduction gear case 1412, the input of rear shift cable capstan winch 22 through front through hole 311
The output end of reduction box 1422 after being connected through rear through hole 312.
Preferably, between the front through hole 311 of supporting mechanism 3 and the leading edge of supporting mechanism 3, and rear through hole 312 and support machine
Preceding guide protrusions 321 and rear guide protrusions 322, and preceding guide protrusions 321, rear guide protrusions 322 are respectively equipped between the trailing edge of structure 3
Preceding pilot hole 3211 and rear pilot hole 3221, and the axis of preceding pilot hole 3211 and the preceding top of shift cable capstan winch 21 are offered respectively
Edge or lower edges parallel, the axis of rear pilot hole 3221 and the top edge or lower edges parallel of the rear rotating shaft of shift cable capstan winch 22.With
Exemplified by preceding shift cable, preceding shift cable is right by preceding pilot hole 3211 through shift cable capstan winch 21 before connection after preceding pilot hole 3211
Shift cable is oriented to, and has both prevented the winding and bending of shift cable, improves the aesthetics of the device again.
Embodiment 4
As shown in fig. 6, a kind of multi-speed bicycle is present embodiments provided, including multi-speed bicycle body 5, and as implemented
Gear-changing device 4 described in example 3；The vehicle frame of the supporting mechanism of gear-changing device 4 and multi-speed bicycle body 5 is detachably connected；Preceding change
One end of shift cable 511, the other end of preceding shift cable 511 connect shift cable capstan winch after front chain mover 512 before fast line capstan winch connection
One end of shift cable 512 after connection, the other end connection rear chiain-moving device 522 of rear shift cable 521.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in embodiment of the method is may be referred to, will not be repeated here.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the utility model.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical scheme of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail embodiment, it will be understood by those within the art that：It is any to be familiar with this skill
For the technical staff in art field in the technical scope that the utility model discloses, it still can be to the skill described in previous embodiment
Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications,
Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right
The protection domain asked is defined.
Claims (10)
1. a kind of gear changing mechanism, it is characterised in that the speed including MCU and the connection MCU obtains mechanism, gear obtains machine
Structure, preceding governor motion and rear governor motion；
The speed obtains the current vehicle speed that mechanism is used to obtain multi-speed bicycle；
The gear obtains mechanism and is used to obtain the preceding shift cable capstan winch position of current shift and rear shift cable capstan winch position；
The MCU is according to the current vehicle speed, with the preceding shift cable capstan winch position and the rear shift cable capstan winch position correspondence
The relation of preset vehicle speed judge whether to need variable block；
If so, then adjusted the preceding shift cable capstan winch to target gear position from current location by the preceding governor motion,
Or the rear shift cable capstan winch is adjusted to target gear position from current location by the rear governor motion；
If it is not, then keep the preceding shift cable capstan winch position and the rear shift cable capstan winch position.
2. gear changing mechanism according to claim 1, it is characterised in that the speed obtain mechanism be located at hind axle suddenly
That sensor, the current vehicle speed is rear wheel rotation speed；
Or；
It is the Hall sensor located at axis that the speed, which obtains mechanism, and the current vehicle speed is that traveling steps on frequency.
3. gear changing mechanism according to claim 1, it is characterised in that the gear obtains mechanism and passes through preceding angular transducer
The preceding shift cable capstan winch position of current shift is obtained, the rear shift cable of current shift is obtained by rear angular transducer
Capstan winch position.
4. gear changing mechanism according to claim 1, it is characterised in that also including remote-control gear；
The remote-control gear sends shift transformation signal by radio communication to the MCU；
The MCU according to the shift transformation signal by the preceding governor motion by the preceding shift cable capstan winch from current location
Regulation is adjusted the rear shift cable capstan winch to mesh from current location to target gear position, or by the rear governor motion
Mark gear positions.
5. gear changing mechanism according to claim 3, it is characterised in that governor motion includes rear motor driving electricity after described
Road, rear motor and rear reduction box；
When the current vehicle speed with it is described after shift cable capstan winch position mismatch when, the MCU is to motor-drive circuit after described
Send plus keep off signal or downshift signal；
Motor is positive/negative to fortune after motor-drive circuit adds gear signal or downshift signal driving described according to after described
It is dynamic；
Motor is positive/negative after described is extremely added the rear shift cable capstan winch position adjustments by the rear reduction box into rotation process
The position behind position or downshift after gear.
6. gear changing mechanism according to claim 3, it is characterised in that the preceding governor motion includes front motor driving electricity
Road, front motor and front reduction gear case；
When the current vehicle speed mismatches with the preceding shift cable capstan winch position, the MCU is to the front motor drive circuit
Send plus keep off signal or downshift signal；
The front motor drive circuit drives the front motor positive/negative to fortune according to described plus gear signal or the downshift signal
It is dynamic；
The front motor is positive/negative extremely to be added the preceding shift cable capstan winch position adjustments by the front reduction gear case into rotation process
The position behind position or downshift after gear.
7. gear changing mechanism according to claim 5, it is characterised in that the movable part of angular transducer passes through inspection after described
Survey it is described after reduction box pinion rotation come obtain it is described after shift cable capstan winch position.
8. gear changing mechanism according to claim 1, it is characterised in that be also used for including battery, the battery for institute
State MCU, the preceding governor motion and the rear governor motion and operating voltage is provided.
A kind of 9. gear-changing device, it is characterised in that the variable block machine including supporting mechanism and as described in claim any one of 1-8
Structure；
The supporting mechanism is used to support the gear changing mechanism；
The supporting mechanism also includes the fixed structure being detachably connected with the multi-speed bicycle vehicle frame.
10. a kind of multi-speed bicycle, it is characterised in that including multi-speed bicycle body, and variable block as claimed in claim 9
Device；
The vehicle frame of the supporting mechanism of the gear-changing device and the multi-speed bicycle body is detachably connected；
Shift cable before the preceding shift cable capstan winch connection, shift cable after the rear shift cable capstan winch connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720660891.2U CN206900581U (en) | 2017-06-08 | 2017-06-08 | Multi-speed bicycle and its gear changing mechanism and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660891.2U CN206900581U (en) | 2017-06-08 | 2017-06-08 | Multi-speed bicycle and its gear changing mechanism and device |
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| CN206900581U true CN206900581U (en) | 2018-01-19 |
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| CN201720660891.2U Active CN206900581U (en) | 2017-06-08 | 2017-06-08 | Multi-speed bicycle and its gear changing mechanism and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054555A (en) * | 2017-06-08 | 2017-08-18 | 杭州欣硬科技有限公司 | Multi-speed bicycle and its gear changing mechanism and device |
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2017
- 2017-06-08 CN CN201720660891.2U patent/CN206900581U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054555A (en) * | 2017-06-08 | 2017-08-18 | 杭州欣硬科技有限公司 | Multi-speed bicycle and its gear changing mechanism and device |
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