Atmosphere lamp device of electric bicycle

By using a slot and plug-in structure, a multi-functional control module, and a transparent lampshade design, the problem of unstable installation, limited functionality, and exposed wiring in electric bicycle ambient lights has been solved. This achieves convenient installation, diverse functions, and uniform lighting effects, improving the nighttime safety and aesthetics of electric bicycles.

CN224576733UActive Publication Date: 2026-07-31ZHEJIANG XINGYUE OVERFLY ELECTRIC VEHICLE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG XINGYUE OVERFLY ELECTRIC VEHICLE CO LTD
Filing Date
2025-08-30
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing ambient lights for electric bicycles suffer from problems such as complex installation that is prone to loosening, limited functionality, exposed wiring, and uneven lighting, which affect both aesthetics and safety.

Method used

The adapter sleeve and ambient light adopt a slot and plug-in structure, integrate a multi-functional control module, a transparent lampshade and refraction strip design, a dedicated cable channel, and a ring structure to adapt to different components.

Benefits of technology

It achieves stable and convenient installation, diverse functions, safe wiring, and uniform lighting effects, enhancing nighttime safety and aesthetics.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224576733U_ABST
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Abstract

This utility model relates to an ambient lighting device for an electric bicycle, including a stem assembly, a steering column, and a front fork. The upper part of the front fork passes upward through the steering column and is rotatably connected to it, and the through end of the front fork is fixedly connected to the stem assembly. It also includes an ambient light mounted on the front fork and located between the steering column and the stem assembly, as well as a battery and a circuit board mounted on the bicycle frame. Both the battery and the ambient light are electrically connected to the circuit board, which integrates a control module for controlling the illumination of the ambient light. This utility model not only offers advantages such as stable and convenient installation, functional adaptability to various scenarios, and safe and reasonable wiring, but also features optimized lighting effects and a compact structure.
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Description

Technical Field

[0001] This utility model relates to the field of electric bicycles, and in particular to an ambient lighting device for electric bicycles. Background Technology

[0002] With the popularization of the concept of green travel, electric bicycles have become the mainstream short-distance transportation tool. Consumers have raised their requirements for the appearance and functionality of these bicycles, and ambient lighting, as a component that enhances visual effects and nighttime safety, has attracted much attention.

[0003] However, existing ambient lights have obvious shortcomings: First, installation relies on multiple sets of fasteners, making assembly complex and prone to loosening due to vibration; second, the lighting mode is singular, lacking dynamic functions such as turn signals and battery level indicators, making them impractical at night; third, exposed wiring or interference with turn signals poses a risk of wear and short circuits; and fourth, direct light results in uneven distribution, leading to poor decorative and warning effects.

[0004] Therefore, there is an urgent need for ambient lighting devices that are structurally sound, easy to install, multifunctional, and provide optimized lighting. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the prior art and provide an ambient lighting device for electric bicycles, which is not only easy to install, has functions that are suitable for different scenarios, and has safe and reasonable wiring, but also has the advantages of optimized lighting effects and compact structure.

[0006] The objective of this utility model is achieved through the following technical solution:

[0007] An ambient lighting device for an electric bicycle includes a stem assembly, a steering column, and a front fork. The upper part of the front fork passes upward through the steering column and is rotatably connected to it, and the through end of the front fork is fixedly connected to the stem assembly. It also includes an ambient light sleeved on the front fork and located between the steering column and the stem assembly, as well as a battery and a circuit board disposed on the bicycle frame. The battery and the ambient light are both electrically connected to the circuit board, and the circuit board integrates a control module for controlling the illumination of the ambient light.

[0008] Furthermore, the ambient light includes a ring-shaped light strip with multiple light-emitting units evenly distributed along its circumference; the control module includes a constant-on module for controlling the ring-shaped light strip to continuously emit light, an alert module for controlling the light-emitting units to flash, a gradient module for controlling the light to gradually brighten and dim, a flowing module for controlling the light-emitting units to light up sequentially, and a power display module for displaying the battery level.

[0009] Furthermore, the upper end of the steering column is rotatably connected to the front fork via an upper cup and an upper bearing; it also includes a transition bushing sleeve fitted on the front fork and with its lower end abutting against the upper bearing, the upper surface of the transition bushing sleeve having a slot that penetrates its outer periphery, the ambient light sleeve being fitted on the transition bushing sleeve, and the inner peripheral wall of the ambient light having an insert that engages with the slot.

[0010] Furthermore, the adapter sleeve is C-shaped, and multiple slots are provided on the adapter sleeve, which are evenly arranged on the outer periphery of the adapter sleeve. The insert on the ambient light is correspondingly provided with the slots on the adapter sleeve.

[0011] Furthermore, the lower outer periphery of the adapter sleeve is provided with a wire groove for avoiding the wires when the ambient light is connected to the circuit board wires, and the lower end of the inner peripheral wall of the ambient light is provided with a wire outlet hole corresponding to the wire groove.

[0012] Furthermore, the ambient light also includes an annular lampshade and an annular refraction seat, both made of transparent material; the insert is disposed on the inner ring sidewall of the annular lampshade, the annular lampshade is fitted over the adapter sleeve and has an annular inner cavity with an upward opening; the upper end of the annular refraction seat covers the opening of the annular inner cavity, the lower end of the annular refraction seat is built into the annular inner cavity, and the outer peripheral wall of the lower end of the annular refraction seat has a vertical refraction strip; the annular light strip is disposed between the inner sidewall of the annular inner cavity and the inner sidewall of the lower end of the annular refraction seat, and the annular light strip is electrically connected to the circuit board.

[0013] Furthermore, there are multiple vertical refractive strips, which are evenly distributed along the outer periphery of the annular refractive seat; the cross-section of the vertical refractive strip is convex arc-shaped, and the bottoms of adjacent vertical refractive strips are smoothly connected by concave arcs.

[0014] Furthermore, the ambient light also includes a ring-shaped lamp cover, which is disposed on the upper surface of the ring-shaped refraction seat.

[0015] Furthermore, the stem assembly is also provided with a handlebar connected to its upper part; the lower end of the steering column is rotatably connected to the front fork via a lower cup and a lower bearing and abuts against the front fork.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] First, the installation is stable and convenient: the adapter bushing and the ambient light adopt a slot and plug-in structure, which does not require complicated fasteners and is easy to assemble; the adapter bushing fits the front fork space and the lower end abuts against the upper bearing to ensure stability and prevent loosening when riding and turning.

[0018] Second, functional adaptation scenarios: The circuit board integrates modules such as constant light, flashing, gradual brightening and dimming, sequential lighting, and voltage display. It can switch modes according to driving, turning, power consumption, and other scenarios to improve nighttime safety and interactive experience.

[0019] Third, the wiring is safe and reasonable: the wire groove on the outer periphery of the lower end of the adapter sleeve provides a dedicated channel for the connecting wires, avoiding wire exposure or interference with moving parts, reducing the risk of wear and short circuits, and extending service life.

[0020] Fourth, optimized lighting effects: The transparent lampshade, combined with the refraction base with vertical refraction strips, diffuses light through the connection structure of the convex arc refraction strips and concave arcs, achieving uniform 360-degree illumination and enhancing recognizability and decorative appeal.

[0021] Fifth, compact structure: The ambient light is mounted on the front fork and located between the steering column and the stem assembly, making full use of the unused space without affecting steering; the ring structure is compatible with different sizes of front forks and steering columns, making it widely applicable. Attached Figure Description

[0022] Figure 1 This is a three-dimensional schematic diagram of an ambient lighting device for an electric bicycle according to the present invention.

[0023] Figure 2 This is an exploded view of the ambient lighting device of this utility model.

[0024] Figure 3 This is a three-dimensional schematic diagram of the ambient light and the adapter sleeve in this utility model.

[0025] Figure 4 yes Figure 3 The sectional view in the image.

[0026] Figure 5 This is a three-dimensional schematic diagram of the adapter bushing in this utility model.

[0027] Figure 6 This is a three-dimensional schematic diagram of the ring-shaped light strip in this utility model.

[0028] Figure 7 This is a three-dimensional schematic diagram of the annular refraction seat in this utility model.

[0029] Figure 8 This is a three-dimensional schematic diagram of the ring-shaped lampshade in this utility model.

[0030] Figure 9 This is the circuit block diagram of this utility model. Detailed Implementation

[0031] The present invention will be further described in detail below with reference to the embodiments shown in the accompanying drawings.

[0032] like Figures 1 to 9As shown in the figure, the ambient light device for an electric bicycle according to this utility model embodiment includes a stem assembly 1, a steering column 2, and a front fork 3. The upper part of the front fork 3 passes through the steering column 2 and is rotatably connected to it, and the through end of the front fork 3 is fixedly connected to the stem assembly 1. It also includes an ambient light 4 sleeved on the front fork 3 and located between the steering column 2 and the stem assembly 1, as well as a battery (not shown in the figure) and a circuit board 6 disposed on the vehicle body. The battery and the ambient light 4 are both electrically connected to the circuit board 6, and the circuit board 6 integrates a control module 61 for controlling the illumination of the ambient light 4.

[0033] As described above, the ambient light 4 includes a ring-shaped light strip 41, which has multiple light-emitting units 411 evenly distributed along its circumference. The control module 61 includes a constant-on module 611 for controlling the ring-shaped light strip 41 to emit light continuously, an alert module 612 for controlling the light-emitting units 411 to flash, a gradient module 613 for controlling the light to gradually brighten and dim, a flowing module 614 for controlling the light-emitting units 411 to light up sequentially, and a power display module 615 for displaying the battery level. The circuit board 6 stores the control program; the circuit board 6 also integrates a processor (not shown in the figure). By executing the control program, the processor can call different light-emitting mode modules, thereby controlling the ambient light 4 to present corresponding display effects.

[0034] As described above, the upper end of the steering column 2 is rotatably connected to the front fork 3 via the upper cup 21 and the upper bearing 22; it also includes a transition sleeve 7 sleeved on the front fork 3 with its lower end abutting against the upper bearing 22. The upper surface of the transition sleeve 7 is provided with a slot 71 that penetrates its outer periphery. The ambient light 4 is sleeved on the transition sleeve 7, and the inner peripheral wall of the ambient light 4 is provided with an insert 421 that is inserted into the slot 71.

[0035] As described above, the adapter sleeve 7 is C-shaped. The adapter sleeve 7 adopts a C-shaped structure design, and the circumferential opening forms a clearance channel, which is specially designed to provide space for various cables of electric bicycles, such as brake cables, gear cables, headlight cables, instrument cables, etc. Multiple slots 71 are provided on the adapter sleeve 7 and are evenly arranged on the outer periphery of the adapter sleeve 7. The insert 421 on the ambient light 4 is correspondingly set with the slots 71 on the adapter sleeve 7.

[0036] As described above, the lower outer periphery of the adapter sleeve 7 is provided with a wire groove 72 for avoiding the wires when the ambient light 4 is connected to the circuit board 6 wires, and the lower end of the inner peripheral wall of the ambient light 4 is provided with a wire outlet hole corresponding to the wire groove 72 (not shown in the figure).

[0037] As described above, the ambient light 4 also includes an annular lampshade 42 and an annular refraction seat 43, both made of transparent material; the insert 421 is disposed on the inner ring sidewall of the annular lampshade 42, the annular lampshade 42 is sleeved on the adapter sleeve 7 and has an annular inner cavity 422 with the opening facing upward; the upper end of the annular refraction seat 43 covers the opening of the annular inner cavity 422, the lower end of the annular refraction seat 43 is built into the annular inner cavity 422, and the lower outer peripheral wall of the annular refraction seat 43 has a vertical refraction strip 431; the annular light strip 41 is disposed between the inner sidewall of the annular inner cavity 422 and the lower inner sidewall of the annular refraction seat 43, and the annular light strip 41 is electrically connected to the circuit board 6.

[0038] As described above, there are multiple vertical refractive strips 431, which are evenly distributed along the outer periphery of the annular refractive seat 43; the cross section of the vertical refractive strip 431 is convex arc-shaped, and the bottoms of adjacent vertical refractive strips 431 are smoothly connected by concave arcs.

[0039] As described above, the ambient light 4 also includes an annular lamp cover 44, which is disposed on the upper surface of the annular refraction seat 43.

[0040] As described above, the stem assembly 1 is also provided with a handlebar 11 connected to its upper part; the lower end of the steering column 2 is rotatably connected to the front fork 3 via the lower cup 23 and the lower bearing 24 and abuts against the front fork 3.

[0041] The installation steps for the ambient lighting device are as follows:

[0042] First, assemble the lower bearing 24 and lower cup 23 to the lower end of the steering column 2; then, pass the upper part of the front fork 3 upward through the steering column 2, so that the lower end of the steering column 2 forms a rotatable connection with the front fork 3 through the lower cup 23 and the lower bearing 24; then assemble the upper bearing 22 and the upper cup 21 to the upper end of the steering column 2, and adjust until the front fork 3 and the steering column 2 rotate smoothly without jamming.

[0043] Next, the adapter sleeve 7 is fitted onto the upper part of the front fork 3, and the adapter sleeve 7 is slid downward along the outside of the front fork 3 until its lower end face completely abuts against the upper surface of the upper bearing 22, thus completing the axial limiting and positioning of the adapter sleeve 7.

[0044] Subsequently, align the insert 421 on the inner periphery of the ambient light 4 with the slot 71 on the outer periphery of the adapter sleeve 7, and push the ambient light 4 downward along the axis of the fork 3 so that the ambient light 4 is fitted onto the adapter sleeve 7 until the insert 421 is fully inserted into the slot 71, thereby achieving a stable connection between the ambient light 4 and the adapter sleeve 7.

[0045] Finally, align the stem assembly 1 with the through end of the front fork 3, and fasten the stem assembly 1 to the front fork 3 using bolts or other connectors; after checking that all parts are securely connected, the installation of the ambient light device is complete.

[0046] The above description is merely a preferred embodiment of the present utility model and should not be construed as limiting the scope of the present utility model. Any simple equivalent changes and modifications made in accordance with the scope of the present utility model patent application and the description of the utility model shall still fall within the scope of the present utility model patent.

Claims

1. An ambient lighting device for an electric bicycle, comprising a stem assembly, a steering column, and a front fork, wherein the upper part of the front fork passes upward through and is rotatably connected to the steering column, and the through end of the front fork is fixedly connected to the stem assembly; characterized in that, It also includes an ambient light mounted on the front fork and located between the steering column and the stem assembly, as well as a battery and circuit board mounted on the frame. The battery and ambient light are both electrically connected to the circuit board, which integrates a control module for controlling the ambient light.

2. The ambiance light device of claim 1, wherein, The ambient light includes a ring-shaped light strip with multiple light-emitting units evenly distributed along its circumference; the control module includes a constant-on module for controlling the ring-shaped light strip to emit light continuously, an alert module for controlling the light-emitting units to flash, a gradient module for controlling the light to gradually brighten and dim, a flowing module for controlling the light-emitting units to light up sequentially, and a power display module for displaying the battery level.

3. The ambient light assembly for an electric bicycle of claim 2, wherein, The upper end of the steering column is rotatably connected to the front fork via an upper cup and an upper bearing; it also includes a transition sleeve fitted on the front fork and with its lower end abutting against the upper bearing, the upper surface of the transition sleeve having a slot that penetrates its outer periphery, the ambient light being fitted on the transition sleeve, and the inner peripheral wall of the ambient light having an insert that engages with the slot.

4. The ambiance light device of the electric bicycle according to claim 3, wherein, The adapter bushing is C-shaped, and has multiple slots evenly distributed around its outer perimeter. The inserts on the ambient light correspond to the slots on the adapter bushing.

5. The ambiance light device of an electric bicycle according to claim 3 or 4, characterized in that, The lower outer periphery of the adapter sleeve is provided with a wire groove for avoiding the wires when the ambient light is connected to the circuit board wires, and the lower end of the inner peripheral wall of the ambient light is provided with a wire outlet hole corresponding to the wire groove.

6. The ambiance light device of an electric bicycle according to claim 3 or 4, characterized in that, The ambient light also includes an annular lampshade and an annular refraction seat, both made of transparent material; the insert is disposed on the inner ring sidewall of the annular lampshade, the annular lampshade is fitted over the adapter sleeve and has an annular inner cavity with the opening facing upward; the upper end of the annular refraction seat covers the opening of the annular inner cavity, the lower end of the annular refraction seat is built into the annular inner cavity, and the outer peripheral wall of the lower end of the annular refraction seat has a vertical refraction strip; the annular light strip is disposed between the inner sidewall of the annular inner cavity and the inner sidewall of the lower end of the annular refraction seat, and the annular light strip is electrically connected to the circuit board.

7. The ambient light assembly for an electric bicycle of claim 6, wherein, There are multiple vertical refractive strips, which are evenly distributed along the outer periphery of the annular refractive seat; the cross-section of the vertical refractive strip is convex arc-shaped, and the bottoms of adjacent vertical refractive strips are smoothly connected by concave arcs.

8. The ambient light device of the electric bicycle according to claim 6, wherein, The ambient light also includes a ring-shaped lamp cover, which is disposed on the upper surface of the ring-shaped refraction seat.

9. The ambient light device of the electric bicycle according to claim 1, wherein, The stem assembly also includes a handlebar connected to its upper part; the lower end of the steering column is rotatably connected to the front fork via a lower cup and a lower bearing and abuts against the front fork.