CN115923985A - An energy-saving rear derailleur - Google Patents

Abstract

The invention relates to the technical field of bicycle components, and discloses an energy-saving rear derailleur, comprising: a seat body, the seat body is fixedly connected to the bicycle frame; a moving part, a chain guide part and a connecting part, and the chain guide part is fixed Installed on the moving part, the moving part is movably connected to the base through the connecting part; the driving part is used to drive the moving part to move; the shift controller is used to receive control instructions, and control the drive to work; a dormancy sensor, the dormancy sensor is connected to the shift controller, and is used to control the dormancy of the shift controller. The present invention can solve the problem that the shift controller needs to keep the state of receiving signals all the time, the power consumption is relatively large, and the user needs to frequently charge or replace the power supply, which is relatively inconvenient.

Description

An energy-saving rear derailleur

technical field

The invention relates to the technical field of bicycle components, in particular to an energy-saving rear derailleur.

Background technique

The rear derailleur, referred to as the rear derailleur, is an important part of the transmission system on variable speed bicycles such as mountain bikes and road bikes. It is responsible for the transformation of the chain on different flywheels to cope with different road conditions and allow riders to use it more reasonably. The body drives the bike forward.

Most of the rear derailleurs in the prior art include a power supply, a driving part and a shift controller. When the shift controller receives a user's shift instruction, the shift controller controls the shifting of the rear derailleur through the driving part to achieve purpose of shifting.

Due to space constraints on the rear derailleur, the equipped power supply is limited, and the shift controller needs to keep receiving signals at all times, which consumes a lot of power, causing users to need to frequently charge or replace the power supply, which is inconvenient.

Contents of the invention

In view of this, the object of the present invention is to provide an energy-saving rear derailleur, which solves the problem that the shift controller needs to keep receiving signals at all times, and the power consumption is relatively large, which leads to frequent charging or replacement of the power supply by the user, which is inconvenient The problem.

The present invention solves the above technical problems by the following technical means:

An energy saving rear derailleur comprising:

a seat body, the seat body is fixedly connected to the bicycle frame;

a moving part, a chain guide and a connecting part, the chain guiding part is fixedly mounted on the moving part, and the moving part is movably connected to the base through the connecting part;

a driving part, the driving part is used to drive the moving part to move;

a shift controller, the shift controller is used to receive control instructions and control the drive to work;

A dormancy sensor, the dormancy sensor is connected to the shift controller, and is used to control the dormancy of the shift controller.

Further, the sleep sensor is a vibration sensor, and when the vibration sensor does not detect a vibration signal, the shift controller is controlled to sleep.

Further, a power supply is installed on the base, which is used to supply power to the driving member, the shift controller and the dormancy sensor.

Further, the driving member is fixedly installed in the seat.

Further, the connecting piece includes two connecting frames arranged in parallel, one end of the connecting frame is rotatably connected to the seat body, and the other end is rotatably connected to the moving part, and the output shaft of the driving part is connected to one of the two connecting frames. Drive connection.

Further, the two connecting frames are divided into an inner connecting frame and an outer connecting frame, the upper and lower ends of the left and right ends of the inner connecting frame and the upper and lower ends of the left and right ends of the outer connecting frame are provided with hinged ears, and the inner connecting frame Both the outer connecting frame and the outer connecting frame are rotatably connected to the moving part through hinged ears, the outer connecting frame is rotatably connected to the seat body through the hinged ears, and the hinged ears on the side of the inner connecting frame near the seat body are fixedly connected to the output shaft of the driver.

Further, the moving part is a damping part.

Further, the damping part includes a first moving part and a second moving part that can rotate with each other, the first moving part is rotatably connected to the connecting part, and the second moving part is fixedly connected to the chain guide part.

Beneficial effects of the present invention:

In the present invention, a dormant sensor is provided, and the dormant sensor is a vibration sensor. The state of the bicycle is detected by the vibration sensor when riding. When the vibration sensor does not detect a vibration signal, the shift controller is placed in a dormant state, effectively reducing the power consumption of the power supply. Avoid frequent charging or replacement of the power supply by the user; when the shift controller needs to be woken up, it can be woken up by manually pressing the button on the finger end to realize the shifting function.

Description of drawings

Fig. 1 is a schematic structural view of an energy-saving rear derailleur of the present invention;

Fig. 2 is a schematic structural diagram of the disassembly of an energy-saving rear derailleur according to the present invention;

Fig. 3 is a control principle block diagram of an energy-saving rear derailleur of the present invention;

Among them, the seat body 1, the fastener 11, the moving part 2, the first moving part 21, the second moving part 22, the driving part 3, the chain guide part 4, the connecting part 5, the inner connecting frame 51, the outer connecting frame 52, the hinge Ear 53, shift controller 6, sleep sensor 7, power supply 8.

Detailed ways

The implementation of the present invention is described below through specific specific examples, and those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. It should be noted that the diagrams provided in the following examples are for illustrative purposes only, and are only schematic diagrams rather than actual pictures, and should not be construed as limitations on the present invention. In order to better illustrate the embodiments of the present invention , some components in the figure will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the figure may be omitted.

The same or similar symbols in the figures of the embodiments of the present invention correspond to the same or similar components. In the description of the present invention, it should be understood that if there are terms "upper", "lower", "left", "right", The orientation or positional relationship indicated by "front", "rear", etc. is based on the orientation or positional relationship shown in the figure, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific Orientation, construction and operation in a specific orientation, so the terms describing the positional relationship in the figure are for illustrative purposes only, and should not be construed as limitations on the present invention. Those of ordinary skill in the art can understand the above-mentioned specific meaning used for.

As shown in Figures 1-3, an energy-saving rear derailleur of the present invention includes: a base body 1, a moving part 2, a driving part 3, a chain guide part 4 and a connecting part 5, and the chain guide part 4 is fixedly installed on On the moving part 2 , the moving part 2 is movably connected to the seat body 1 through the connecting part 5 .

In this embodiment, the seat body 1 is fixedly installed on the bicycle frame through fixing bolts. The moving part 2 is a damping part, and the damping part includes a first moving part 21 and a second moving part 22 that can rotate with each other, the first moving part 21 is rotatably connected with the connecting part 5, and the second moving part 22 is fixedly connected with the chain guide part 4 . The first moving part 21 and the second moving part 22 are flexibly connected by springs, shrapnel, damping grease, etc., and the damping element is provided to resist the torque generated when the bicycle bumps while ensuring the normal speed regulation of the rear derailleur , to avoid chain slippage and so on.

The driving part 3 is fixedly installed in the base body 1, and the driving part 3 is used to drive the moving part 2 to move. In this embodiment, the driving part 3 is preferably an electric motor.

The connecting part 5 includes two connecting frames arranged in parallel, one end of the connecting frame is rotatably connected with the base body 1, and the other end is rotatably connected with the moving part 2, and the output shaft of the driving part 3 is in transmission connection with one of the two connecting frames. In this embodiment, the two connecting frames are divided into an inner connecting frame 51 and an outer connecting frame 52, the upper and lower ends of the left and right ends of the inner connecting frame 51 and the upper and lower ends of the left and right ends of the outer connecting frame 52 are provided with hinged ears 53, Both the connecting frame 51 and the outer connecting frame 52 are rotatably connected to the moving part 2 through hinge ears 53 . The outer connecting frame 52 is rotatably connected to the seat body 1 through the hinge ear 53 , and the hinge ear 53 on the side of the inner connecting frame 51 close to the seat body 1 is fixedly connected to the output shaft of the driver 3 . In this embodiment, the driving part 3 is a motor. When the motor is working, the inner connecting frame 51 is driven to rotate through the hinge ear 53 fixedly connected to the output shaft of the motor, thereby driving the connecting part 5 to move, and then driving the moving part 2 and the chain guide part 4 Move to achieve variable speed.

In this embodiment, the energy-saving rear derailleur also includes:

Shift controller 6, the shift controller 6 is used to receive the control command and control the drive 3 to work; in this embodiment, the control command is a shift command, and the user can send the shift button through the shift button or the adjustment part at the dial end Instruction, after the shift controller 6 receives the shift instruction, it controls the motor to work, and then the shift operation can be performed. The dormancy sensor 7, the dormancy sensor 7 is connected with the shift controller 6, and is used to control the shift controller 6 to sleep. The dormancy sensor 7 is a vibration sensor, and when the vibration sensor does not detect a vibration signal, the shift controller 6 is controlled to sleep, thereby effectively reducing the power consumption of the power supply 8 .

When the user uses the bicycle, the shift controller 6 and the dormancy sensor 7 are awakened by manually pressing the button on the fingertip end. After the shift controller 6 is awakened, the user can realize the shift function. Dormancy sensor 7 is implemented to detect the vibration state of the bicycle. After the user's gear shift is completed, and the bicycle stops vibrating, or the vibration amplitude is small, the dormancy sensor 7 cannot detect the vibration signal, and will send a dormancy signal to the shift controller 6 to make the gear shift The controller 6 sleeps to achieve the purpose of reducing power consumption of the power supply 8 . In this embodiment, the button on the fingertip end can be set independently, or combined with the shift button or the adjusting part on the fingertip end. When the user presses the button, a wake-up signal and a control signal are sent successively.

In this embodiment, a power supply 8 is installed on the base body 1 for supplying power to the driving member 3 , the shift controller 6 and the dormancy sensor 7 .

In this embodiment, the base body 1 is provided with a fastener 11 through which the power supply 8 is detachably mounted on the base body 1 . When the power supply 8 needs to be replaced or charged, it is convenient for the user to disassemble the power supply 8 .

The working principle of the present invention is as follows:

When the bicycle is in the riding state, the user manually presses the button on the dial end to wake up the shift controller 6 and the dormant sensor 7. After the shift controller 6 wakes up, the user sends a shift command through the shift button or the adjustment member on the finger end. After the shift controller 6 receives the shift command, it controls the motor to work. When the motor is working, the inner connecting frame 51 is driven to rotate through the hinged ear 53 fixedly connected to the output shaft of the motor, thereby driving the connecting part 5 to move, and then driving the moving part 2 Move with the chain guide part 4 to realize gear shifting.

After the user's gear shift is completed, and the bicycle stops vibrating, or the vibration amplitude is small, the dormancy sensor 7 cannot detect the vibration signal, and will send a dormancy signal to the shift controller 6 to make the shift controller 6 dormant, so as to reduce the power supply 8 purpose of consumption.

When the user needs to shift gears again, he only needs to push the shift controller 6 by pressing the button.

The above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced. Without departing from the purpose and scope of the technical solutions of the present invention, all of them should be included in the scope of the claims of the present invention. The technologies, shapes and construction parts not described in detail in the present invention are all known technologies.

Claims (8)

1. An energy efficient rear derailleur, comprising:

the seat body is fixedly connected to the bicycle frame;

the guide chain piece is fixedly arranged on the moving piece, and the moving piece is movably connected to the base body through the connecting piece;

the driving piece is used for driving the moving piece to move;

the gear shifting controller is used for receiving a control command and controlling the driving piece to work;

and the dormancy sensor is connected with the gear shifting controller and used for controlling the gear shifting controller to hibernate.

2. The energy efficient rear derailleur according to claim 1, wherein: the dormancy sensor is a vibration sensor, and when the vibration sensor does not detect a vibration signal, the gear shifting controller is controlled to be dormant.

3. The energy efficient rear derailleur according to claim 1, wherein: the seat body is provided with a power supply which is used for supplying power to the driving piece, the gear shifting controller and the dormancy sensor.

4. The energy efficient rear derailleur according to claim 1, wherein: the driving piece is fixedly arranged in the seat body.

5. The energy efficient rear derailleur according to claim 1, wherein: the connecting piece includes two parallel arrangement's link, the one end and the pedestal of link rotate to be connected, and the other end rotates with the moving member to be connected, the output shaft of driving piece is connected with one of them transmission of two links.

6. The energy saving rear derailleur according to claim 5, wherein: two the link divide into interior link and outer link, the upper and lower both ends at both ends about the interior link and the upper and lower both ends at both ends about the outer link all are provided with the hinge ear, interior link and outer link all rotate with the moving member through the hinge ear and are connected, outer link rotates with the pedestal through the hinge ear and is connected, interior link is close to the hinge ear of pedestal side and the output shaft fixed connection of driving piece.

7. The energy efficient rear derailleur according to claim 1, wherein: the moving member is a damping member.

8. The energy saving rear derailleur according to claim 7, wherein: the damping piece comprises a first moving portion and a second moving portion which can rotate mutually, the first moving portion is rotatably connected with the connecting piece, and the second moving portion is fixedly connected with the chain guide piece.

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