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

Background

The derailleur is an important part of a speed-changing bicycle for shifting a chain over different sized sheaves to achieve a speed change. Existing derailleurs include manual derailleurs that are pulled by a cable and electric derailleurs that control the action of a motor via a wireless signal. The existing electric derailleur controlled by wireless signals comprises a motor assembly and a battery assembly for supplying power to the motor assembly, wherein the motor assembly comprises a control circuit board for controlling the motor to act, and the control circuit board is provided with a wireless communicator for receiving wireless control signals. In this prior art, the battery pack is only used for providing electric power, and the consumer can change at will, however the battery pack quality that the consumer selected at will is uneven, influences consumer's use experience, and to the battery pack that quality is unqualified or circuit performance and motor mismatch still probably causes motor subassembly damage, or causes personal safety accident. In this regard, it is often difficult for the provider of the electric derailleur or the provider of the bicycle in its entirety to manage.

In view of this, there is a need to propose a new solution to overcome the problems of the prior art.

Disclosure of Invention

The application provides an electric derailleur, which can avoid the random replacement of a battery module for providing power for a driving device.

In order to achieve the above purpose, the application adopts the following technical scheme: the utility model provides an electronic derailleur, includes chain guide subassembly, drive arrangement, battery module and wireless communicator, the battery module is configured to right drive arrangement provides electric power, wireless communicator is configured to receive the right drive arrangement carries out the wireless signal of control, drive arrangement is configured to according to wireless signal drive chain guide subassembly activity, wherein, wireless communicator disposes in on the battery module.

As a further improved technical scheme of the application, the battery module comprises a shell, and a battery core and a circuit board which are arranged in the shell, wherein the wireless communicator is arranged on the circuit board.

As a further improved technical scheme of the application, the electric derailleur comprises a fixed base, and the battery module is detachably arranged on the fixed base.

As a further improved technical scheme of the present application, the electric derailleur includes a connecting rod pivotally connected between the fixed base and the chain guide assembly, the driving device is disposed on the connecting rod, and the battery module is electrically connected with the driving device through a wire.

According to the technical scheme of the application, the mounting groove is formed in the fixed base, an exposed electric connection port is formed in the mounting groove, and the battery module is at least partially inserted into the mounting groove and is provided with an opposite port electrically connected with the electric connection port.

As a further improved technical scheme of the application, the electric derailleur comprises a mounting bracket which is suitable for fixing the battery module on the fixing base, and the mounting bracket and the battery module are arranged in a split mode.

As a further improved technical scheme of the application, the mounting bracket is configured into a basket-shaped structure with a plurality of hollowed-out holes, and the battery module is positioned in the basket-shaped structure.

As a further improved technical scheme of the application, the battery module is rechargeable and comprises a charging interface, and the charging interface is exposed out of the mounting bracket so as to be suitable for charging without disassembling the battery module.

As a further improved aspect of the present application, the electric derailleur includes a wireless transmitter adapted to be triggered to transmit a wireless signal, the wireless transmitter and the wireless communicator being in one-to-one encrypted communication connection.

As a further improved technical scheme of the application, the electric derailleur is a rear derailleur for a bicycle.

The application provides an electric derailleur, which comprises a battery module for providing power for a driving device and a wireless communicator for receiving a wireless signal for controlling the driving device, wherein the wireless communicator is arranged on the battery module, so that the driving device can be ensured to be powered and controlled by the battery module matched with the wireless communicator, and the battery module for providing power for the driving device is prevented from being replaced at will.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present application and are not limiting of the present application.

FIG. 1 is a perspective view of an electric derailleur in accordance with the present application.

FIG. 2 is another perspective view of the electric derailleur of the present application.

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

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

FIG. 5 is yet another exploded perspective view of the electric derailleur of the present application.

Reference numerals illustrate: a 100-derailleur; 1-a fixed base; 11-mounting slots; 111-electrical connection ports; 14-connecting part; 2-upper connecting rod; 3-a lower link; 4-a movable member; 5-a driving device; 51-a motor; 52-gear set; 53-screw; 54-worm gear; 55-transmission shafts; 56-conducting wires; 6-a chain guide; 7-a battery module; 71-a housing; 72-an electric core; 73-a circuit board; 74-a wireless communicator; 75-a charging interface; 76-a docking port; 77-mounting brackets; 771-hollowed-out holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the present application will be described in further detail 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 wide variety of different configurations. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Unless defined otherwise, technical or scientific terms used in this patent document should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used merely to denote relative positional relationships, which may be changed accordingly when the absolute position of the object being described is changed, merely to facilitate description of the present application and to simplify description, and not to indicate or imply that the apparatus or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

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

Referring to FIGS. 1-5, the present application provides an electric derailleur 100 for shifting a chain to shift on different sized sheaves to achieve a shift. The derailleur 100 includes a fixed base 1, a driving device 5, a chain guide assembly, a link, and a battery module 7. The links include an upper link 2 and a lower link 3. The chain guide assembly includes a movable member 4 and a chain guide 6.

Referring to fig. 1 and 2, the fixed base 1 serves as a base body on which the upper link 2, the lower link 3, the movable member 4, the driving device 5, the chain guide 6 and the battery module 7 are directly or indirectly mounted. While the fixing base 1 is configured and adapted to be mounted to a frame of a bicycle such that the derailleur 100 is mounted to the frame of the bicycle through the fixing base 1, the fixing base 1 is provided with a connecting portion 14, the fixing base 1 and the entire derailleur 100 are connected to the frame of the bicycle through the connecting portion 14, and the connecting portion 14 may be a screw, a buckle, a strap, or the like, which is sufficient to achieve connection of the fixing base 1 to the frame of the bicycle.

The movable member 4 is configured to be movable relative to the fixed base 1, and the chain guide 6 is rotatably coupled to the movable member 4. The chain guide 6 is configured to be movable with respect to the fixed base 1, the chain guide 6 including two side plates arranged substantially in parallel and a guide sprocket connected between the two side plates. The chain of the bicycle is arranged in the two side plates of the chain guide 6 in a penetrating way and wound on the chain guide wheel. When a gear shift and a speed change are needed, the chain guide 6 can be driven to move, so that the chain guide 6 pushes the chain to move, the chain is switched on the wheel discs with different sizes, the speed change is realized, and meanwhile, the tensioning of the chain is realized through the guide chain wheel.

The two ends of the connecting rod are respectively and pivotally connected with the movable piece 4 and the fixed base 1, namely, the two ends of the upper connecting rod 2 and the lower connecting rod 3 are respectively and pivotally connected with the fixed base 1 and the movable piece 4, and the fixed base 1, the upper connecting rod 2, the lower connecting rod 3 and the movable piece 4 form a four-bar mechanism. In this embodiment, the upper link 2 is substantially a plate body and is located at a position above the lower link 3. The lower link 3 is configured as a mounting seat for mounting the driving device 5, one end of the lower link 3 is pivotally connected to the fixed base 1 through a pivot, and the other end is pivotally connected to the movable member 4 through a transmission shaft 55 of the driving device 5.

Referring also to fig. 5, the driving device 5 is disposed on the link, specifically, the driving device 5 is disposed on the lower link 3. The driving device 5 comprises a motor 51, a gear set 52 driven by the output end of the motor 51 to move, a screw 53 driven by the gear set 52 to rotate, a worm wheel 54 in meshed transmission connection with the screw 53, and a transmission shaft 55 driven by the worm wheel 54 to rotate. The transmission shaft 55 is configured to drive the movable member 4 and the link to move relative to the fixed base 1, the transmission shaft 55 is pivotally connected to the lower link 3 and the movable member 4, and the transmission shaft 55 drives the movable member 4 and the link to move by applying a force to the movable member 4. The output end of the motor 51 is in driving connection with the transmission shaft 55, and the output end is positioned at one end of the lower connecting rod 3 facing the movable member 4. The output end of the motor 51 is arranged towards the movable part 4, so that the connection with the transmission shaft 55 can be facilitated, and meanwhile, compared with the position where the lower connecting rod 3 is connected with the fixed base 1, the position where the lower connecting rod 3 is connected with the movable part 4 has a larger operable space, and the installation of components such as the gear set 52, the screw 53, the worm wheel 54 and the like is facilitated. In operation, the motor 51 is started, the gear set 52, the screw 53 and the worm wheel 54 drive the transmission shaft 55 to rotate, the transmission shaft 55 rotates to push the movable piece 4 to move relative to the fixed base 1, and the upper connecting rod 2 and the lower connecting rod 3 rotate around the rotation shaft in response to the movement of the movable piece 4 relative to the fixed base 1. By disposing the driving device 5 on the lower connecting rod 3 and pivotally connecting a transmission shaft 55 included in the driving device 5 to the lower connecting rod 3 and the movable member 4, the movable member 4 and the connecting rod are driven to move by the transmission shaft 55 through applying force to the movable member 4; the power of the driving device 5 is directly applied to the movable member 4 instead of being transmitted to the movable member 4 through the connecting rod, so that the power transmission path can be shortened, and the power transmission performance can be improved.

Referring to fig. 3 and 4, the battery module 7 is configured to supply power to the driving device 5. The electric derailleur 100 is connected in wireless communication with an operating device of a user, such as a thumb device of the user for operating the derailleur 100, and the electric derailleur 100 includes a wireless communicator 74, the wireless communicator 74 being configured to receive wireless signals for controlling the driving device 5, such as a derailleur command transmitted by the thumb device in wireless signals, and to activate the driving device 5 to operate to perform a 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 disposed in the battery module 7, when the user removes the original battery module 7 and changes it to other batteries, the wireless communicator 74 is removed, and cannot receive the chain-pulling signal, and the chain-pulling control cannot be implemented, so that the driving device 5 can be ensured to be powered and controlled by the battery module 7 matched with the wireless communicator, and the battery module 7 for providing power to the driving device 5 is prevented from being replaced at will. Moreover, the wireless communicator 74 is disposed on the battery module 7, so that the wireless communicator 74 is closer to the outside, which is beneficial to receiving and transmitting wireless signals and is more sensitive to control than the wireless communicator is disposed in the lower link 3 together with the driving device 5.

With continued reference to fig. 3 and 4, the battery module 7 includes a housing 71, a battery core 72 and a circuit board 73 disposed in the housing 71, and the wireless communication device 74 is disposed on the circuit board 73 and is disposed in the housing 71. The battery module 7 is detachably mounted on the fixed base 1, a mounting groove 11 is configured on the fixed base 1, an exposed electric connection port 111 is disposed in the mounting groove 11, and the battery module 7 is at least partially inserted into the mounting groove 11 and is configured with a butt joint port 76 electrically connected with the electric connection port 111. Referring to fig. 2 and 5, 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, and the battery module 7 is plugged into the opposite port 76 through the electrical connection port 111 and the wire 56 is electrically connected to the driving device 5.

Further, the electric derailleur 100 includes a mounting bracket 77 adapted to fix the battery module 7 to the fixing base 1, the mounting bracket 77 being provided separately from the battery module 7. The battery module 7 is detachably attached to the stationary base 1. That is, the battery module 7 is provided as a relatively independent module, and can be easily disassembled for maintenance, inspection, replacement, and the like. Wherein the removable attachment includes, but is not limited to, by snap connection, by screw connection, magnetically attracted connection, and the like. In this embodiment, the mounting bracket 77 is configured as a basket structure with a plurality of hollowed holes 771, and the battery module 7 is located in the basket structure. The mounting bracket 77 presses the battery module 7 and is fixed to the fixing base 1 by screws. In this embodiment, the battery module 7 is rechargeable, and includes a charging interface 75, where the charging interface 75 is exposed to the mounting bracket 77, so as to be suitable for charging without disassembling the battery module 7. The electric derailleur 100 further includes a wireless transmitter adapted to be triggered to transmit a wireless signal, with a one-to-one encrypted communication connection between the wireless transmitter and the wireless communicator 74; wherein the wireless transmitter is disposed, for example, in a thumbing device near the bicycle handlebar, and wherein user operation of the thumbing device triggers the wireless transmitter to send a derailleur control command to the wireless communicator 74. By one-to-one encrypted communication connection, control confusion when a plurality of wireless communicators 74 are present can be avoided, and the user can be prevented from randomly replacing the battery module 7 and the wireless communicators 74. In one embodiment, the derailleur 100 is a rear bicycle derailleur.

As can be seen from the above description of the specific embodiments, the electric derailleur 100 provided by the present application includes the battery module 7 for providing power to the driving device 5, and the wireless communicator 74 for receiving the wireless signal for controlling the driving device 5, wherein the wireless communicator 74 is configured on the battery module 7, so that the driving device 5 can be ensured to be powered and controlled by the battery module 7 matched with the wireless communicator, and the battery module 7 for providing power to the driving device 5 is prevented from being replaced at will.

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides an electronic derailleur, includes chain guide subassembly, drive arrangement, battery module and wireless communicator, the battery module is configured to right drive arrangement provides electric power, wireless communicator is configured to receive the right drive arrangement carries out the wireless signal of control, drive arrangement is configured to according to wireless signal drive chain guide subassembly activity, its characterized in that, wireless communicator disposes on the battery module.

2. The electric derailleur of claim 1, wherein the battery module includes a housing, and a battery cell and a circuit board disposed within the housing, the wireless communicator being disposed on the circuit board.

3. The electric derailleur of claim 1, wherein the electric derailleur includes a stationary base, and the battery module is detachably mounted to the stationary base.

4. The electric derailleur of claim 3, wherein the electric derailleur includes a link pivotally connected between the fixed base and the chain guide assembly, the drive device is disposed on the link, and the battery module is electrically connected to the drive device by a wire.

5. The electric derailleur of claim 3, wherein the fixing base is provided with a mounting groove, an exposed electric connection port is arranged in the mounting groove, and the battery module is at least partially inserted in the mounting groove and is provided with an opposite port electrically connected with the electric connection port.

6. The electric derailleur of claim 5, wherein the electric derailleur includes a mounting bracket adapted to secure the battery module to the stationary base, the mounting bracket being configured separately from the battery module.

7. The electric derailleur of claim 6, wherein the mounting bracket is configured as a basket structure having a plurality of hollowed-out holes, and the battery module is located within the basket structure.

8. The electric derailleur of claim 5, wherein the battery module is rechargeable and includes a charging interface exposed to the mounting bracket for charging without disassembling the battery module.

9. The electric derailleur of claim 1, wherein the electric derailleur includes a wireless transmitter adapted to trigger to transmit a wireless signal, the wireless transmitter and the wireless communicator being in a one-to-one encrypted communication connection.

10. The electric derailleur of claim 1, wherein the electric derailleur is a rear derailleur for a bicycle.