An electric derailleur

By separating the wireless communication module and the main control module and connecting the electrical connection wires through the channels on the base and linkage assembly, the problem of the wireless communication module being susceptible to electrical signal interference is solved, and better wireless signal transmission and reception and control sensitivity are achieved.

CN224511377UActive Publication Date: 2026-07-17LANXI WHEEL TOP CYCLE IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LANXI WHEEL TOP CYCLE IND
Filing Date
2025-07-14
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing wireless communication module of electric derailleur is integrated on the control circuit board, which is easily interfered with by other electrical signals, affecting the transmission and reception of wireless signals.

Method used

The wireless communication module is installed on the base, and the main control module is installed on the linkage assembly. By setting up channels on the base and the linkage assembly to connect electrical connection lines, the wireless communication module and the main control module are installed separately to reduce electrical signal interference.

Benefits of technology

The wireless signal transmission and reception are better, reducing electrical signal interference in the main control module and improving control sensitivity and stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224511377U_ABST
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Abstract

The utility model discloses an electric chain tensioner, contain: base, chain guide device, connecting rod assembly, it is swingably connected with chain guide device on base, drive arrangement, install on connecting rod assembly, to drive connecting rod assembly swing relative to base, wherein, install wireless communication module on base, wireless communication module is configured as receiving wireless signal of control to drive arrangement, wherein, drive arrangement contains the main control module of electric connection in wireless communication module, and the main control module receives the wireless signal of transmission of wireless communication module, to drive connecting rod assembly swing relative to base. The technical scheme of the present application, wireless communication module is not easy to receive the interference of main control module's electric signal, and the receiving effect of wireless signal is better.
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Claims

1. An electric derailleur, comprising: Base (1); Chain guide device (2); A linkage assembly that oscillates the chain guide device (2) to the base (1); A drive device (6) is mounted on the linkage assembly to drive the linkage assembly to swing relative to the base (1); Its features are, wherein A wireless communication module (P2) is installed on the base (1), and the wireless communication module (P2) is configured to receive wireless signals for controlling the drive device (6); The drive device (6) includes a main control module (P1) electrically connected to the wireless communication module (P2). The main control module (P1) receives the wireless signal transmitted by the wireless communication module (P2) to drive the linkage assembly to swing relative to the base (1).

2. The motorized chain tensioner of claim 1, wherein, The base (1) has a receiving slot (S) for accommodating the wireless communication module (P2), and the wireless communication module (P2) is installed in the receiving slot (S).

3. The motorized chain tensioner of claim 2, wherein, The base (1) has a first channel (L1) that connects to the receiving slot (S), and the linkage assembly has a second channel (L2); the electrical connection line (M) for electrically connecting the main control module (P1) and the wireless communication module (P2) is laid in the first channel (L1) and the second channel (L2).

4. The motorized chain tensioner of claim 2, wherein, The wireless communication module (P2) is held in the receiving slot (S) by a mounting bracket (Q).

5. The motorized chain tensioner of claim 2, wherein, The mounting opening of the receiving groove (S) is opened on the surface of the base (1).

6. The motorized chain tensioner of claim 4, wherein, The receiving slot (S) is cuboid in shape, and the outer contour of the mounting bracket (Q) is a matching cuboid structure. One side of the mounting bracket (Q) has a mounting port (Q1) for embedding the wireless communication module (P2).

7. The motorized chain tensioner of claim 3, wherein, The first channel (L1) includes a first extension segment (L11) and a second extension segment (L12), which are connected and extend in perpendicular directions to each other. The first extension segment (L11) is connected to the receiving groove (S).

8. The electric derailleur according to claim 1, characterized in that, The linkage assembly has a first link (3) and a second link (4), both of which are rotatably engaged with the base (1) and the chain guide device (2) respectively, and are controlled to swing synchronously to change the position of the chain guide device (2); the drive device (6) is mounted on the first link (3).

9. The electric derailleur according to claim 1, characterized in that, The wireless communication module (P2) includes a ceramic antenna, an LDS antenna, an LAP antenna, or an LRP antenna.

10. The motorized chain tensioner of claim 1, wherein, The power module (5) for providing power to the drive device is detachably mounted on the base (1).