CN217673064U - Bicycle electronic speed changing system, bicycle and electric bicycle - Google Patents

Abstract

The utility model discloses a bicycle electronic speed change system, bicycle and electric bicycle, this bicycle electronic speed change system includes power module, the control unit, electric drive module, control module, cable and execution module; the power supply module is electrically connected with the control unit and the electric drive module respectively; the output end of the control unit is connected with the input end of the electric driving module, and the output end of the electric driving module is connected with the input end of the control module; one end of the cable is connected with the output end of the control module, and the other end of the cable is connected with the input end of the execution module. The electronic speed change system has the advantages of simple overall structure, high stability, high speed change efficiency and good safety performance.

Description

Bicycle electronic speed changing system, bicycle and electric bicycle

Technical Field

The utility model relates to a bicycle electron variable speed field, concretely relates to bicycle electron variable speed system, bicycle and electric bicycle.

Background

The mechanical speed changing device of the existing bicycle mainly comprises a mechanical control part, a cable and a mechanical execution part; the mechanical control part is mechanically pushed by human fingers to generate set displacement, the displacement pulls the cable to generate corresponding displacement, and the corresponding mechanical execution part moves the chain guide wheel to enable the chain to displace to a corresponding gear, so that gear shifting adjustment of the bicycle is realized.

In the prior art, in order to improve the gear shifting efficiency, an electronic speed change system is adopted for control, automatic gear shifting is mainly realized through an electric mechanism, the electric mechanism can replace manpower, and the gear shifting operation is very convenient. For example, the utility model patent with the publication number CN213473439U discloses a bicycle pull-wire type electronic transmission, which can control the number of turns of the rotary driving member by programming the control panel according to the requirement of the actual user, so that the control panel can control the stroke of the pull wire accurately according to the specified program. The electronic transmission mainly upgrades a mechanical control part into an electric mechanism execution part. For example, the invention patent application with application publication No. CN1689901A discloses an electric derailleur having a motor voltage with a derailleur motor unit with an output shaft, a position control mechanism and a controller. The electric derailleur upgrades the mechanical executing part into the electric mechanism executing part. For example, the invention patent application with application publication number CN101850827A discloses a bicycle shift control apparatus provided with a gear selection signal receiving part, a shift determination part and a shift output part. The equipment only upgrades the mechanical control part into an electronic control part which provides a gear shifting signal; the electronic control part and the electric mechanism executing part can transmit gear shifting signals by wire communication and wireless communication. The above-mentioned existing electronic speed change system still has the following disadvantages:

the electronic speed change system has the advantages of complex structure, high integration level and high cost, and the position accuracy of movement is limited by the precision of an electric device and the temperature and humidity of the environment, so that parameter drift is easily caused, and the reliability defect exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that above-mentioned exists, provide a bicycle electron speed change system, this electron speed change system overall structure is simple, and stability is high, and the variable speed is efficient, and the security performance is good.

A second object of the present invention is to provide a bicycle comprising the above bicycle electronic transmission system.

A third object of the present invention is to provide an electric bicycle comprising the above bicycle electronic transmission system.

The purpose of the utility model is realized through the following technical scheme:

an electronic speed changing system of a bicycle comprises a power supply module, a control unit, an electric drive module, a control module, a cable and an execution module; the power supply module is electrically connected with the control unit and the electric drive module respectively; the output end of the control unit is connected with the input end of the electric driving module, and the output end of the electric driving module is connected with the input end of the control module; one end of the cable is connected with the output end of the control module, and the other end of the cable is connected with the input end of the execution module.

The working principle of the bicycle electronic speed changing system is as follows:

the power module is the control unit, electric drive module provides the electric quantity, the control unit is as operation control signal's the device that sends, information sends the back, the signal can carry out electric drive for electric drive module, the operation of shifting is carried out to the simulation people hand, electric drive module can drive the control module motion, control module carries out the operation of shifting, drive the cable motion, the cable can drive the execution module motion, execution module can promote the chain removal of bicycle, realize the automatic switch-over of the gear of bicycle.

The utility model discloses a preferred scheme, wherein, control module is mechanical control module, and this mechanical control module includes the speed governing unit, is used for driving the pushing plate that the speed governing unit convoluteed the cable and is used for driving the release board that the speed governing unit released the cable; the output end of the electric drive module is in contact with the push plate or the release plate. In the structure, the electric driving module drives the pushing plate to move or the releasing plate to move, so that the driving of the cable is realized, the gear transformation of the bicycle is realized, the pushing plate moves to realize the gear entering operation, and the releasing plate moves to realize the gear returning operation.

The utility model discloses a preferred scheme, wherein, electric drive module includes driving motor, rotation promotion subassembly and position induction system; the rotating pushing assembly is connected with the output end of the driving motor and used for pushing the pushing plate and the releasing plate to move; the position sensing device is used for sensing the position of the rotary pushing assembly so as to control the movement of the driving motor; and the output end of the control unit is connected with the driving motor. By adopting the structure, when the driving motor receives the gear-shifting signal, the driving motor rotates according to the set direction to drive the rotating pushing assembly to rotate, so that the pushing plate is pushed to move, after the gear-shifting operation of the pushing plate is completed, the position sensing device senses the position of the rotating pushing assembly and feeds the position back to the driving motor, and the driving motor rotates reversely to return to the starting point. When the driving motor receives the gear withdrawing signal, the driving motor rotates according to the set direction (the direction is opposite to the gear advancing direction), the rotating pushing assembly is driven to rotate, the releasing plate is pushed to move, after the gear shifting operation is completed on the releasing plate, the position sensing device senses the position of the rotating pushing assembly, the position is fed back to the driving motor, and the driving motor rotates reversely to return to the starting point.

The utility model discloses a preferred scheme, wherein, power module, the integrated setting of control unit, electric drive module and control module. By adopting the integrated design, the structure becomes more compact and the occupied space is small.

In a preferred embodiment of the present invention, the executing module is a mechanical derailleur. In the above structure, the cable is controlled to generate a displacement amount, so that the cable can pull the derailleur of the mechanical derailleur device to push the chain to move. Through setting up mechanical type derailleur device, can realize stirring to the chain.

The present invention provides a preferable scheme, wherein, the sensing device comprises a first position sensing device located at the gear shifting position, a second position sensing device located at the initial position and a third position sensing device located at the gear shifting position. In the structure, when the gear is shifted, the driving motor drives the rotation pushing assembly to rotate along one direction, the rotation pushing assembly rotates to contact with the first position sensing device, when the rotation pushing assembly contacts with the first position sensing device, the driving motor stops rotating, then the rotation pushing assembly rotates reversely, when the rotation pushing assembly contacts with the second position sensing device, the driving motor stops rotating, the rotation pushing assembly returns to the initial position at the moment, and the gear shifting process is realized. When moving back the shelves, driving motor drives and rotates the promotion subassembly and rotate along another direction, rotates the promotion subassembly and rotates and can contact third position induction system, when rotating the promotion subassembly and contacting third position induction system, driving motor can the stall, and then the antiport, when rotating the promotion subassembly and contacting second position induction system, driving motor stall, rotate the promotion subassembly and got back to the initial position this moment, realized a process that moves back the shelves. The induction device can control the driving motor to be in different motion states, so that the bicycle is controlled to move in a gear and move out of the gear.

Preferably, the first position sensing device, the second position sensing device and the third position sensing device are respectively arranged independently or integrally.

The utility model discloses a preferred scheme, wherein, position sensing device is micro-gap switch. The microswitch belongs to a contact type induction device, and when the rotating push component is triggered to contact with the microswitch, a signal can be triggered.

A bicycle comprises the bicycle electronic speed changing system.

An electric bicycle comprises the bicycle electronic speed changing system, the control unit is integrated in the controller, and the power supply module supplies power for the electric bicycle to walk at the same time.

The utility model discloses a preferred scheme, wherein, control module and power module integration set up on the frame. This makes the structure more compact.

Compared with the prior art, the utility model following beneficial effect has:

1. the utility model provides a bicycle electron variable speed system compares traditional manual machine variable speed, the utility model discloses an operation is simpler, and operates more laborsavingly, has promoted the variable speed efficiency of bicycle, has also improved user's the experience of riding.

2. The utility model provides a bicycle electronic speed change system, through setting up power module, the control unit, electric drive module, control module, cable and execution module, modularize each part for overall structure becomes simpler, through electronic and mechanical combination, electric drive module drive control module gets into the gear that needs, makes operating stability higher, reduces the required precision of the control unit, has promoted the reliability of system.

3. The utility model provides a bicycle electron variable speed system sets up through the modularization for the small and exquisite simple of structure arranges easily in bicycle or electric bicycle's different positions, and overall layout is nimble.

Drawings

Fig. 1 is a schematic connection diagram of an embodiment of a bicycle electronic shifting system according to the present invention.

Fig. 2 is a schematic structural view of the bicycle electronic shifting system of the present invention.

Fig. 3 is a schematic perspective view of the bicycle electronic transmission system with the execution module omitted and with a partial structure.

Fig. 4-5 are schematic structural views of the electric driving module, the control module and the cable according to the present invention, wherein fig. 4 is a perspective view, and fig. 5 is a perspective view of another viewing direction.

Fig. 6 is a schematic perspective view of the electric driving module of the present invention.

Fig. 7 is a schematic perspective view of a partial structure of the electric driving module according to the present invention.

Fig. 8 is a schematic perspective view of the bicycle electronic transmission system without the execution module according to the present invention.

Detailed Description

In order to make those skilled in the art understand the technical solution of the present invention well, the present invention will be further described below with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Referring to fig. 1-4, the present embodiment discloses a bicycle electronic transmission system, which includes a power module 1, a control unit 2, an electric drive module 3, a control module 4, a cable 5 and an execution module 6; the control module 4 is used for adjusting the movement of the cable 5, the electric driving module 3 is used for driving the control module 4 to move, and the execution module 6 is used for pushing the chain to move so as to adjust the gear; the power module 1 is electrically connected with the control unit 2 and the electric driving module 3 respectively; the output end of the control unit 2 is connected with the input end of the electric driving module 3, and the output end of the electric driving module 3 is connected with the input end of the control module 4; one end of the cable 5 is connected with the output end of the control module 4, and the other end is connected with the input end of the execution module 6.

Referring to fig. 1-2, compared with the conventional manual mechanical speed change, the bicycle electronic speed change system in the embodiment is simpler to operate and more labor-saving to operate, so that the speed change efficiency of the bicycle is improved, and the riding experience of a user is also improved. Through setting up power module 1, the control unit 2, electric drive module 3, the control module 4, cable 5 and execution module 6, modularize each part for overall structure becomes simpler, and through electronic and mechanical combination, 3 drive control modules of electric drive module 4 get into the gear that needs, make operating stability higher, reduce the required precision of the control unit 2, have promoted the reliability of system.

Referring to fig. 3-5, the control module 4 is a mechanical control module, and the mechanical control module includes a speed regulating unit 7, a pushing plate 8 for driving the speed regulating unit 7 to wind the cable 5, and a releasing plate 9 for driving the speed regulating unit 7 to release the cable 5; the output end of the electric drive module 3 is in contact with the push plate 8 or the release plate 9. In the structure, the electric driving module 3 drives the pushing plate 8 to move or the releasing plate 9 to move, so that the cables 5 are driven to realize gear shifting of a bicycle, the pushing plate 8 moves to realize gear shifting operation, and the releasing plate 9 moves to realize gear shifting operation.

Referring to fig. 4, the specific structure of the governor unit 7 is according to the prior art.

Referring to fig. 4-6, the electric driving module 3 includes a fixing plate 3-1, a driving motor 3-2, a rotary pushing assembly 3-3, and a position sensing device 3-5; the position sensing device 3-5 and the driving motor 3-2 are both arranged on the fixed plate 3-1, and the rotary pushing assembly 3-3 is connected with the output end of the driving motor 3-2 and used for pushing the pushing plate 8 and the releasing plate 9 to move; the position sensing device 3-5 is used for sensing the position of the rotary pushing assembly 3-3 so as to control the movement of the driving motor 3-2; the output end of the control unit 2 is connected with the driving motor 3-2. By adopting the structure, when the driving motor 3-2 receives a gear-shifting signal, the driving motor 3-2 rotates according to a set direction to drive the rotating pushing component 3-3 to rotate, so as to push the pushing plate 8 to move, after the pushing plate 8 finishes a gear shifting operation, the position sensing device 3-5 senses the position of the rotating pushing component 3-3 and feeds the position back to the driving motor 3-2, and the driving motor 3-2 reversely rotates and returns to a starting point. When the driving motor 3-2 receives the gear-shifting signal, the driving motor 3-2 rotates according to the set direction (the direction is opposite to the gear-shifting direction), the rotating pushing assembly 3-3 is driven to rotate, the releasing plate 9 is pushed to move, after the releasing plate 9 finishes the gear-shifting operation, the position sensing device 3-5 senses the position of the rotating pushing assembly 3-3 and feeds the position back to the driving motor 3-2, and the driving motor 3-2 rotates reversely to return to the initial point.

Referring to fig. 4-5, the mechanical control module further includes a base plate 10, the speed regulating unit 7 is disposed on the base plate 10, and the base plate 10 is disposed on the fixing plate 3-1. The aim is to integrate the mechanical control module with said electric drive module 3, so that the structure becomes more compact.

Referring to fig. 1 to 2 and 8, the power module 1, the control unit 2, the electric drive module 3, and the control module 4 are integrally provided. By adopting the integrated design, the structure becomes more compact and the occupied space is small. The control unit 2, the electric drive module 3 and the control module 4 are integrated inside the housing 11.

Referring to fig. 1-2, the implement module 6 is a mechanical derailleur device. The specific construction of the mechanical derailleur device is referenced to prior art derailleur devices. In the above structure, the control cable 5 is displaced so that the cable 5 pulls the derailleur of the mechanical derailleur to push the chain to move. Through setting up the mechanical type and dialling the chain device, can realize shifting to the chain.

Referring to fig. 4-6, the sensing means includes a first position sensing means 3-51 located at a forward gear position, a second position sensing means 3-52 located at a home position, and a third position sensing means 3-53 located at a reverse gear position. In the structure, when the gear is shifted, the driving motor 3-2 drives the rotating pushing component 3-3 to rotate along one direction (rotate anticlockwise), the rotating pushing component 3-3 rotates to contact with the first position sensing device 3-51, when the rotating pushing component 3-3 contacts with the first position sensing device 3-51, the driving motor 3-2 stops rotating and then rotates reversely, when the rotating pushing component 3-3 contacts with the second position sensing device 3-52, the driving motor 3-2 stops rotating, and the rotating pushing component 3-3 returns to the initial position at the moment, so that the gear shifting process is realized. When the gear is shifted, the driving motor 3-2 drives the rotating pushing component 3-3 to rotate along the other direction (clockwise rotation), the rotating pushing component 3-3 rotates to contact with the third position sensing device 3-53, when the rotating pushing component 3-3 contacts with the third position sensing device 3-53, the driving motor 3-2 stops rotating and then rotates reversely, when the rotating pushing component 3-3 contacts with the second position sensing device 3-52, the driving motor 3-2 stops rotating, and the rotating pushing component 3-3 returns to the initial position at this moment, so that a gear shifting process is realized. The sensing device can control the driving motor 3-2 to be in different motion states, so that the forward gear and the backward gear of the bicycle can be controlled.

Referring to fig. 6, the first position sensing devices 3-51, the second position sensing devices 3-52, and the third position sensing devices 3-53 are respectively disposed independently or integrally, and in particular, may be integrated on a plate body, so as to achieve an integrated arrangement of the three position sensing devices.

Referring to fig. 6, the position sensing devices 3-5 are microswitches, the first position sensing device 3-51 is a first microswitch, the second position sensing device 3-52 is a second microswitch, and the third position sensing device 3-53 is a third microswitch. The microswitch belongs to a contact type induction device, and when the rotary pushing component 3-3 is triggered to contact with the microswitch, a signal can be triggered.

Referring to fig. 4-7, the rotary pushing assembly 3-3 includes a rotary table 3-31, a first boss 3-32 and a second boss 3-33 provided on the rotary table 3-31, and the rotary table 3-31 is connected to the driving motor 3-2; when the gear is shifted, the first bosses 3-32 are contacted with the pushing plate 8, and the rotating table 3-31 is sequentially contacted with the first position sensing devices 3-51 and the second position sensing devices 3-52; when the gear is shifted, the second bosses 3-33 are contacted with the release plate 9, and the rotating table 3-31 is sequentially contacted with the third position sensing devices 3-53 and the second position sensing devices 3-52. In the structure, when the gear is shifted, the driving motor 3-2 drives the rotating table 3-31 to rotate along one direction (anticlockwise rotation), the first boss 3-32 and the second boss 3-33 also rotate, firstly, the side surface of the first boss 3-32 is contacted with the pushing plate 8 to drive the pushing plate 8 to move to drive the speed regulating unit 7 to wind the cable 5, then, the side surface of the rotating table 3-31 is contacted with the first position sensing device 3-51 to trigger the first position sensing device 3-51, the driving motor 3-2 stops rotating, then, the rotating table rotates reversely, when the side surface contacted with the rotating table 3-31 is contacted with the second position sensing device 3-52, the driving motor 3-2 stops rotating, the whole rotating pushing assembly 3-3 returns to the initial position at this moment, and the whole gear shifting operation is completed. When the gear is withdrawn, the driving motor 3-2 drives the rotating platform 3-31 to rotate along the other direction, the first boss 3-32 and the second boss 3-33 also rotate, firstly, the side surface of the second boss 3-33 is contacted with the release plate 9 to drive the release plate 9 to move to drive the speed regulating unit 7 to release the cable 5, then, the side surface of the rotating platform 3-31 is contacted with the third position sensing device 3-53 to trigger the third position sensing device 3-53, the driving motor 3-2 stops rotating, then, the rotating platform rotates reversely, when the side surface contacted with the rotating platform 3-31 is contacted with the second position sensing device 3-52, the driving motor 3-2 stops rotating, the whole rotating pushing assembly 3-3 returns to the initial position at the moment, and the whole gear withdrawing operation is completed. Since the rotating table is shaped like a cam, it is possible to achieve contact with the first position sensing means 3-51, the second position sensing means 3-52 one after another, and contact with the third position sensing means 3-53, the second position sensing means 3-52 one after another.

Referring to fig. 7, the turntable 3-31, the first boss 3-32, and the second boss 3-33 are integrally provided, and the first boss 3-32 and the second boss 3-33 are each provided at a position offset from the rotational center of the turntable 3-31. In the structure, the rotating table 3-31, the first boss 3-32 and the second boss 3-33 are integrally arranged, so that the whole structure of the rotating pushing assembly 3-3 becomes very compact, the rotating pushing assembly 3-3 is integrally arranged, and the adjustment of gear shifting and gear shifting is realized; the first bosses 3-32 and the second bosses 3-33 are eccentrically arranged, so that the angular displacement of the first bosses 3-32 and the second bosses 3-33 can be increased, the first bosses 3-32 can be better contacted with the pushing plate 8, and the second bosses 3-33 can be better contacted with the releasing plate 9, so that the pushing plate 8 and the releasing plate 9 can be better driven to move.

Referring to fig. 7, the first bosses 3 to 32 and the second bosses 3 to 33 are respectively located at both ends of the rotating table 3 to 31. By adopting the structure, the first bosses 3-32 and the second bosses 3-33 are respectively positioned at two ends of the rotating and pushing component 3-3, so that the first bosses 3-32 and the second bosses 3-33 are not influenced mutually when in gear shifting and gear shifting.

Referring to fig. 2, the power module 1 is a battery, and the control unit 2 includes a control circuit board, on which two buttons may be disposed to trigger signals of shift-in and shift-out, so as to control the movement of the electric driving module 3.

Referring to fig. 1-4, the operating principle of the bicycle electronic shifting system is as follows:

power module 1 is the control unit 2, electric drive module 3 provides the electric quantity, the control unit 2 is as the emitter of operation control signal, information sends the back, the signal can give electric drive module 3 and carry out electric drive, the operation of shifting is carried out to the simulation people hand, electric drive module 3 can drive control module 4 motion, control module 4 carries out the operation of shifting, drive cable 5 motion, cable 5 can drive execution module 6 motion, execution module 6 can promote the chain removal of bicycle, realize the automatic switch-over of the gear of bicycle.

The embodiment also discloses a bicycle which comprises the bicycle electronic speed changing system.

The embodiment also discloses an electric bicycle which comprises the bicycle electronic speed changing system, the control unit 2 is integrated in a controller of the electric bicycle, and the power module 1 supplies power for the electric bicycle to walk.

The control module 4 and the power module 1 are integrated on the frame. This makes the structure more compact.

The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (10)

1. An electronic speed change system of a bicycle is characterized by comprising a power supply module, a control unit, an electric drive module, a control module, a cable and an execution module; the power supply module is electrically connected with the control unit and the electric drive module respectively; the output end of the control unit is connected with the input end of the electric driving module, and the output end of the electric driving module is connected with the input end of the control module; one end of the cable is connected with the output end of the control module, and the other end of the cable is connected with the input end of the execution module.

2. The bicycle electronic shifting system of claim 1, wherein the control module is a mechanical control module comprising a speed governing unit, a push plate for driving the speed governing unit to wind the cable, and a release plate for driving the speed governing unit to release the cable; the output end of the electric drive module is in contact with the push plate or the release plate.

3. The bicycle electronic shifting system of claim 2, wherein the electric drive module comprises a drive motor, a rotary push assembly, and a position sensing device; the rotating pushing assembly is connected with the output end of the driving motor and used for pushing the pushing plate and the releasing plate to move; the position sensing device is used for sensing the position of the rotary pushing assembly so as to control the movement of the driving motor; and the output end of the control unit is connected with the driving motor.

4. The bicycle electronic shifting system of claim 1, wherein the implement module is a mechanical derailleur.

5. The bicycle electronic shifting system according to claim 3, wherein the sensing devices include a first position sensing device located in a forward gear position, a second position sensing device located in a home position, and a third position sensing device located in a reverse gear position; the first position sensing device, the second position sensing device and the third position sensing device are respectively arranged independently or integrally.

6. The bicycle electronic shifting system according to claim 5, wherein the position sensing device is a microswitch.

7. The bicycle electronic shifting system of claim 1, wherein the power module, the control unit, the electric drive module and the control module are integrally provided.

8. A bicycle comprising the bicycle electronic shifting system of any one of claims 1-7.

9. An electric bicycle, comprising the bicycle electronic transmission system according to any one of claims 1 to 6, wherein the control unit is integrated into a controller, and the power module simultaneously supplies power for the electric bicycle to walk.

10. The electric bicycle of claim 9, wherein the control module is integrated with the power module on the frame.

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