CN116853406A - electric derailleur - Google Patents

Abstract

The application provides an electric derailleur, which comprises a chain guide assembly, a driving device, a battery module and a wireless communicator, wherein the battery module is configured to provide power for the driving device, the wireless communicator is configured to receive a wireless signal for controlling the driving device, and the driving device is configured to drive the chain guide assembly to move according to the wireless signal, and the wireless communicator is configured on the battery module. The electric derailleur provided by the application can avoid the battery module for providing power for the driving device from being replaced at will.

Description

electric derailleur

Technical field

The present application relates to the technical field of bicycles, and in particular to an electric derailleur.

Background technique

The derailleur is an important part of a speed-shifting bicycle. It is used to switch the chain between wheel discs of different sizes to achieve speed changes. Existing derailleurs include manual derailleurs that are pulled by steel ropes and electric derailleurs that control motor action through wireless signals. An existing electric derailleur controlled by wireless signals includes a motor component and a battery component that supplies power to the motor component. The motor component includes a control circuit board that controls the movement of the motor. The control circuit board is provided with a wireless module for receiving wireless control signals. Communicator. In this prior art, the battery components are only used to provide power, and consumers can replace them at will. However, the quality of the battery components chosen by consumers varies, which affects the consumer's experience. Moreover, the quality is not up to standard or the circuit performance is inconsistent with the quality. Battery components that do not match the motor may also cause damage to the motor components or cause personal safety accidents. In this regard, it is often difficult for providers of electric derailleurs or complete bicycles to control them.

In view of this, it is necessary to propose a new technical solution to overcome the problems existing in the existing technology.

Contents of the invention

This application provides an electric derailleur that can prevent the battery module that provides power to the driving device from being replaced at will.

In order to achieve the above purpose, this application adopts the following technical solution: an electric derailleur, including a chain guide assembly, a driving device, a battery module and a wireless communicator, the battery module is configured to provide power to the driving device, The wireless communicator is configured to receive a wireless signal for controlling the driving device, and the driving device is configured to drive the chain guide assembly to move according to the wireless signal, wherein the wireless communicator is configured on the battery. on the module.

As a further improved technical solution of the present application, the battery module includes a casing, a battery core and a circuit board provided in the casing, and the wireless communicator is configured on the circuit board.

As a further improved technical solution of the present application, the electric derailleur includes a fixed base, and the battery module is detachably installed on the fixed base.

As a further improved technical solution of the present application, the electric derailleur includes a connecting rod pivotally connected between the fixed base and the chain guide assembly, and the driving device is provided on the connecting rod, so The battery module is electrically connected to the driving device through wires.

As a further improved technical solution of the present application, the fixed base is equipped with a mounting slot, and an exposed electrical connection port is provided in the mounting slot. The battery module is at least partially inserted into the mounting slot and configured There is a docking port electrically connected to the electrical connection port.

As a further improved technical solution of the present application, the electric derailleur includes a mounting bracket suitable for fixing the battery module on the fixed base, and the mounting bracket and the battery module are arranged separately. .

As a further improved technical solution of the present application, the mounting bracket is configured as a basket-shaped structure with a plurality of hollow holes, and the battery module is located in the basket-shaped structure.

As a further improved technical solution of the present application, the battery module is rechargeable and includes a charging interface. The charging interface is exposed on the mounting bracket to be suitable for charging without disassembling the battery module. .

As a further improved technical solution of the present application, the electric derailleur includes a wireless transmitter adapted to be triggered to transmit a wireless signal, and there is a one-to-one encrypted communication connection between the wireless transmitter and the wireless communicator.

As a further improved technical solution of the present application, the electric derailleur is a rear derailleur for bicycles.

The electric derailleur provided by this application includes a battery module that provides power to a driving device, and a wireless communicator that receives wireless signals for controlling the driving device. The wireless communicator is configured on the battery module and can Ensure that the driving device is powered and controlled by a matching battery module to prevent the battery module that provides power to the driving device from being replaced at will.

Description of the drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present application and do not limit the present application. .

Figure 1 is a perspective assembly view of the electric derailleur of the present application.

Figure 2 is another three-dimensional assembled view of the electric derailleur of the present application.

Figure 3 is an exploded perspective view of the electric derailleur of the present application.

Figure 4 is another perspective exploded view of the electric derailleur of the present application.

Figure 5 is another three-dimensional exploded view of the electric derailleur of the present application.

Explanation of reference signs: 100 - derailleur; 1 - fixed base; 11 - installation slot; 111 - electrical connection port; 14 - connecting part; 2 - upper link; 3 - lower link; 4 - movable parts; 5 - driving device; 51 - motor; 52 - gear set; 53 - screw; 54 - worm gear; 55 - drive shaft; 56 - wire; 6 - chain guide; 7 - battery module; 71 - housing; 72 - Battery core; 73 - circuit board; 74 - wireless communicator; 75 - charging interface; 76 - docking interface; 77 - installation bracket; 771 - hollow hole.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.

It should be noted that similar reference numerals and letters represent similar items in the following figures, therefore, once an item is defined in one figure, it does not need further definition and explanation in subsequent figures.

Unless otherwise defined, technical terms or scientific terms used in this patent document shall have the usual meaning understood by a person with ordinary skills in the field to which this application belongs. "First", "second" and similar words used in the patent description and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, similar words such as "a", "an" or "the" do not indicate a quantitative limitation but rather indicate the presence of at least one. "Including" or "includes" and other similar words mean that the elements or things appearing before "includes" or "includes" cover the elements or things listed after "includes" or "includes" and their equivalents, and do not exclude others. Component or object. "Center", "top", "bottom", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are only used to express relative positional relationships. When the object being described is After the absolute position is changed, the relative positional relationship may also change accordingly. This is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation or be constructed in a specific orientation. and operation, and therefore cannot be construed as a limitation on this application.

In the description of this application, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood on a case-by-case basis.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Referring to FIGS. 1 to 5 , the present application provides an electric derailleur 100 for moving a chain to switch between wheel discs of different sizes to achieve speed changes. The derailleur 100 includes a fixed base 1, a driving device 5, a chain guide assembly, a connecting rod and a battery module 7. The connecting rod includes an upper connecting rod 2 and a lower connecting rod 3 . The chain guide assembly includes a movable part 4 and a chain guide part 6 .

Please refer to Figures 1 and 2, the fixed base 1 serves as a base for the upper link 2, the lower link 3 movable parts 4, the driving device 5, the chain guide 6 and the battery module 7 to directly or indirectly installed on it. At the same time, the fixed base 1 is configured to be suitable for installation on the frame of a bicycle, so that the derailleur 100 is installed on the frame of the bicycle through the fixed base 1. The fixed base 1 is provided with The connecting part 14 connects the fixed base 1 and the entire derailleur 100 to the bicycle frame through the connecting part 14. The connecting part 14 can be a screw, a buckle, a strap, etc., which is sufficient to fix the base 1 Just connect it to the bicycle frame.

The movable part 4 is configured to be movable relative to the fixed base 1 , and the chain guide 6 is rotatably connected to the movable part 4 . The chain guide 6 is configured to be movable relative to the fixed base 1 . The chain guide 6 includes two side plates arranged generally in parallel and a guide chain connected between the two side plates. wheel. The bicycle chain is passed through the two side plates of the chain guide 6 and wound around the guide sprocket. When it is necessary to shift gears and change speed, the chain guide 6 can be driven to move, so that the chain guide 6 pushes the chain to move, so that the chain can be switched on wheel discs of different sizes to achieve speed changes, and at the same time, the chain guide 6 can be moved through the guide sprocket. of tension.

The two ends of the connecting rod are pivotally connected to the movable member 4 and the fixed base 1 respectively, that is, the two ends of the upper link 2 and the lower link 3 are respectively connected to the fixed base 1 and the fixed base 1. The movable part 4 is pivotally connected, and the fixed base 1, the upper link 2, the lower link 3 and the movable part 4 form a four-bar linkage. In this embodiment, the upper link 2 is generally in the form of a plate and is located above the lower link 3 . The lower link 3 is configured as a mounting seat for the driving device 5 to be installed. One end of the lower link 3 is pivotally connected to the fixed base 1 through a rotating shaft, and the other end is pivoted through the transmission shaft 55 of the driving device 5. Connected to the movable member 4.

Please refer to FIG. 5 as well. The driving device 5 is configured on the connecting rod. Specifically, the driving device 5 is configured on the lower connecting rod 3 . The driving device 5 includes a motor 51, a gear set 52 driven by the output end of the motor 51, a screw 53 driven to rotate by the gear set 52, a worm gear 54 engaged and connected with the screw 53 and driven by the worm gear 54. Rotating drive shaft 55. The transmission shaft 55 is configured to drive the movable member 4 and the connecting rod to move relative to the fixed base 1 , and the transmission shaft 55 is pivotally connected to the lower link 3 and the movable member 4 On the other hand, the transmission shaft 55 exerts force on the movable part 4 to drive the movable part 4 and the connecting rod to move. The output end of the motor 51 is drivingly connected to the transmission shaft 55 , and the output end is located at one end of the lower connecting rod 3 facing the movable member 4 . The output end of the motor 51 is set toward the movable part 4, which can facilitate the connection with the transmission shaft 55. At the same time, the position where the lower link 3 is connected to the movable part 4 is smaller than the position where the lower link 3 is connected to the fixed base 1. In other words, it has a larger operable space, which is beneficial to the installation of the gear set 52, the screw 53, the worm gear 54 and other components. During operation, the motor 51 starts and drives the transmission shaft 55 to rotate through the gear set 52, screw 53, and worm gear 54. The rotation of the transmission shaft 55 pushes the movable part 4 to move relative to the fixed base 1. The upper connecting rod 2 and The lower link 3 rotates around the rotation axis in response to the movement of the movable member 4 relative to the fixed base 1 . By disposing the driving device 5 on the lower link 3 and pivotally connecting the transmission shaft 55 included in the driving device 5 to the lower link 3 and the movable part 4, the transmission shaft 55 exerts force on the movable part 4 to drive. The movable part 4 and the connecting rod move; in this way, the power of the driving device 5 is not transmitted to the movable part 4 through the connecting rod, but directly exerts force on the movable part 4, which can shorten the power transmission path and improve the power transmission performance.

Please refer to FIGS. 3 and 4 , the battery module 7 is configured to provide power to the driving device 5 . The electric derailleur 100 is connected to the user's operating device through wireless communication, for example, wirelessly connected to the shifter device used by the user to operate the derailleur 100. The electric derailleur 100 includes a wireless communicator 74, The wireless communicator 74 is configured to receive wireless signals for controlling the driving device 5 , for example, receiving derailleur instructions sent by a dial device in the form of wireless signals, and starting the operation of the driving device 5 to implement derailleur. The driving device 5 is configured to drive the chain guide assembly to move according to the wireless signal, wherein the wireless communicator 74 is configured on the battery module 7 . The wireless communicator 74 is configured in the battery module 7. When the user removes the original battery module 7 and replaces it with another battery, since the wireless communicator 74 is removed, it cannot receive the derailleur signal and cannot realize the derailleur control. , thereby ensuring that the driving device 5 is powered and controlled by the matching battery module 7 and preventing the battery module 7 that provides power to the driving device 5 from being replaced at will. Moreover, the wireless communicator 74 is disposed on the battery module 7, which makes the wireless communicator 74 closer to the outside than being disposed in the lower link 3 together with the driving device 5, which facilitates the sending and receiving of wireless signals and makes the control more sensitive.

Please continue to refer to Figures 3 and 4. The battery module 7 includes a housing 71, a battery core 72 and a circuit board 73 located in the housing 71. The wireless communicator 74 is configured on the circuit board 73. on, located inside the housing 71 . The battery module 7 is detachably installed on the fixed base 1. The fixed base 1 is equipped with a mounting slot 11. The mounting slot 11 is provided with an exposed electrical connection port 111. The battery The module 7 is at least partially inserted into the installation slot 11 and is configured with a docking port 76 that is electrically connected to the electrical connection port 111 . Please refer to Figures 2 and 5 together. The driving device 5 is disposed on the connecting rod. The driving device 5 has a wire 56 electrically connected to the electrical connection port 111. The battery module 7 is electrically connected The port 111 is plugged into the docking port 76 and the wire 56 is electrically connected to the driving device 5 .

Further, the electric derailleur 100 includes a mounting bracket 77 suitable for fixing the battery module 7 on the fixed base 1 , and the mounting bracket 77 and the battery module 7 are arranged separately. . The battery module 7 is detachably attached to the fixed base 1 . That is, the battery module 7 is configured as a relatively independent module, which can facilitate disassembly, maintenance, inspection, replacement and other operations. Wherein, the detachable attachment includes but is not limited to snap connection, screw connection, magnetic adsorption connection, etc. In this embodiment, the mounting bracket 77 is configured as a basket-shaped structure with a plurality of hollow holes 771 , and the battery module 7 is located in the basket-shaped structure. The mounting bracket 77 presses the battery module 7 and is fixed on the fixed base 1 through screws. In this embodiment, the battery module 7 is rechargeable and includes a charging interface 75. The charging interface 75 is exposed on the mounting bracket 77 so as to be suitable for use without disassembling the battery module 7. charge. The electric derailleur 100 also includes a wireless transmitter adapted to be triggered to transmit a wireless signal. The wireless transmitter and the wireless communicator 74 are connected in a one-to-one encrypted communication connection; wherein, the wireless transmitter For example, a shifter device is provided near a bicycle handlebar. The user operates the shifter device to trigger the wireless transmitter to send derailleur control instructions to the wireless communicator 74 . Through one-to-one encrypted communication connection, control confusion when there are multiple wireless communicators 74 can be avoided, and users can be prevented from replacing the battery module 7 and wireless communicators 74 at will. In one embodiment, the derailleur 100 is a bicycle rear derailleur.

As can be seen from the above description of specific embodiments, the electric derailleur 100 provided by the present application includes a battery module 7 that provides power to the driving device 5, and a wireless communicator 74 that receives wireless signals for controlling the driving device 5. The wireless communicator 74 is configured on the battery module 7 to ensure that the driving device 5 is powered and controlled by the matching battery module 7 and prevents the battery module 7 that provides power to the driving device 5 from being replaced at will. .

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any person familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application. All are covered by the protection scope of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.

Claims (10)

1. An electric derailleur, including a chain guide assembly, a driving device, a battery module and a wireless communicator, the battery module is configured to provide power to the driving device, and the wireless communicator is configured to receive all The wireless signal controlled by the driving device is configured to drive the chain guide assembly to move according to the wireless signal, and the feature is that the wireless communicator is configured on the battery module. 2. The electric derailleur as claimed in claim 1, wherein the battery module includes a casing, a battery core and a circuit board disposed in the casing, and the wireless communicator is configured on the circuit board. superior. 3. The electric derailleur according to claim 1, wherein the electric derailleur includes a fixed base, and the battery module is detachably installed on the fixed base. 4. The electric derailleur according to claim 3, wherein the electric derailleur includes a connecting rod pivotally connected between the fixed base and the chain guide assembly, and the driving device Disposed on the connecting rod, the battery module is electrically connected to the driving device through wires. 5. The electric derailleur according to claim 3, wherein the fixed base is provided with a mounting slot, the mounting slot is provided with an exposed electrical connection port, and the battery module is at least partially inserted into the derailleur. It is installed in the installation groove and is configured with a docking port electrically connected to the electrical connection port. 6. The electric derailleur according to claim 5, wherein the electric derailleur includes a mounting bracket suitable for fixing the battery module on the fixed base, and the mounting bracket is connected to The battery module is installed separately. 7. The electric derailleur according to claim 6, wherein the mounting bracket is configured as a basket-shaped structure with a plurality of hollow holes, and the battery module is located in the basket-shaped structure. 8. The electric derailleur according to claim 5, wherein the battery module is rechargeable and includes a charging interface, and the charging interface is exposed on the mounting bracket to be suitable for use without disassembly. The battery module is charged in case. 9. The electric derailleur of claim 1, wherein the electric derailleur includes a wireless transmitter adapted to be triggered to transmit a wireless signal, between the wireless transmitter and the wireless communicator. A one-to-one encrypted communication connection. 10. The electric derailleur according to claim 1, wherein the electric derailleur is a bicycle rear derailleur.