Handlebar steering lamp and electric power-assisted bicycle

Through Bluetooth communication and rechargeable battery-powered handlebar turn signal design, the problem of inconvenient repair of the wire harness connection of the electric bicycle turn signal is solved, wireless control and low-cost maintenance are achieved, and signal transmission reliability and waterproofness are improved.

CN223148571UActive Publication Date: 2025-07-25NANJING DASHI POWER TECH CO LTD
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Patent Information

Application Number
CN202422255403.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-07-25
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The wiring harness connection between the existing electric bicycle handlebar and the rear turn signal lights causes inconvenient and costly faults, and wiring harness problems affect signal transmission reliability.

Method used

Bluetooth communication is used instead of wiring harness connection. The handlebar turn signal is synchronously controlled with the main controller through the Bluetooth module. The LED light is powered by a rechargeable battery and is disassembled and charged through the outer cover. The structural design is highly waterproof.

Benefits of technology

Wireless control is realized, the maintenance process is simplified, maintenance costs are reduced, and signal transmission reliability and waterproof effect are improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223148571U_ABST
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Abstract

The utility model discloses a handlebar steering lamp and an electric power-assisted bicycle. The handlebar steering lamp comprises a base used for being fixed to the outer end of a handlebar transverse pipe and an outer cover detachably and fixedly connected with the base, a lamp panel is arranged in the outer cover, a plurality of LED lamps are arranged on the lamp panel, a battery and a Bluetooth module are arranged on the inner side of the lamp panel, a key sleeve is arranged at the outer end of the outer cover, and a button is arranged in the key sleeve. A key body is arranged on the outer side of the lamp panel, and the key body, the LED lamp and the battery are connected with the Bluetooth module. According to the utility model, bad effects caused by wiring harness problems can be effectively avoided; when the battery is used up, the outer cover part can be screwed off to charge the battery, so that the use is convenient; disassembly and assembly are convenient, and maintenance cost is low; the structure arrangement is reasonable, the waterproof grade is high, and the waterproof effect cannot be affected by repeated disassembly and assembly.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric assist bicycles, in particular to a handlebar turn signal and an electric assist bicycle. Background Art

[0002] The left and right turn signal structures adapted to quickly assembled electric bicycles ensure clear visibility of the front, rear, left, and right turn signals through the flashing of highly visible LEDs, improving the safety of cycling. They are essential safety equipment for cyclists. The left and right turn signals on the handlebars and the rear of electric bicycles are one of the important components of electric bicycles.

[0003] Defects of the prior art: 1) The left and right turn signals and the controller on the handlebars and the rear of electric bicycles must be connected by wires to transmit control signals. In actual use, when faults such as asynchronous flashing and abnormal signals occur due to wire harness damage or short circuits, during maintenance, it is necessary to disassemble the wire harness and connectors, and then re-arrange and connect them after troubleshooting, which is time-consuming and laborious and very inconvenient. 2) The wire harnesses of the left and right turn signals on the handlebars and the rear of electric bicycles need to be arranged throughout the vehicle during the assembly of electric bicycles, resulting in high material and labor costs. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a handlebar turn signal and an electric assist bicycle in view of the deficiencies of the prior art.

[0005] To achieve the above purpose, in the first aspect, the utility model provides a handlebar turn signal, which includes a base for fixing to the outer end of the handlebar cross tube and an outer cover detachably and fixedly connected to the base. A lamp board is arranged inside the outer cover, and a plurality of LED lamps are arranged on the lamp board. A battery and a Bluetooth module are arranged inside the lamp board. A button sleeve is arranged at the outer end of the outer cover, and a button body is arranged outside the lamp board. The button body, the LED lamps, and the battery are respectively connected to the Bluetooth module.

[0006] Furthermore, a sealing plug is fixedly connected to the inside of the base by bolts, and the sealing plug is in interference fit with the inside of the handlebar cross tube.

[0007] Furthermore, the base is threadedly connected to the outer cover, and a sealing ring is arranged between the base and the outer cover.

[0008] Further, the button cover is a silicone button cover, and it includes a pressing post and an outer edge arranged around the pressing post; a retaining cover and a support sleeve are respectively arranged on the inner and outer sides of the lamp board. The retaining cover is detachably and fixedly connected to the outer cover. The inner and outer ends of the support sleeve are respectively abutted against the inner side of the outer end of the lamp board and the outer cover. An avoidance hole is arranged on the support sleeve. The pressing post is arranged through the avoidance hole and corresponds to the position of the button body. A groove matching with the outer edge is arranged on the inner side of the outer end of the outer cover. The support sleeve presses the outer edge in the groove.

[0009] Further, the retaining cover is snap-connected to the outer cover.

[0010] Further, a plurality of convex rings are arranged on the outer side of the sealing plug, and the convex rings are arranged to incline outwards.

[0011] Further, the battery is a rechargeable battery. A charging interface for connecting with the battery is arranged on the outer side of the lamp board. An avoidance opening matching with the charging interface is arranged on the retaining cover.

[0012] Further, the button body is arranged in the middle of the lamp board. There are three LED lights, and they are arranged in a circumferential array on the outer side of the button body.

[0013] In a second aspect, the present utility model provides an electrically assisted bicycle, including the above-mentioned handlebar turn signal.

[0014] Beneficial effects: The present utility model is powered by a battery, and the lamp control instruction is sent to the main controller through Bluetooth communication, so that the main controller can synchronously control the operation of the turn signals at the rear of the electrically assisted bicycle, without the need to connect to the main controller through a wire harness, avoiding the adverse effects caused by wire harness problems; when the battery runs out of power, the outer cover part can be unscrewed to charge the battery, which is convenient to use; it is convenient to disassemble and assemble, and the maintenance cost is low; the structure is reasonably arranged, has a high waterproof level, and multiple disassembly and assembly will not affect the waterproof effect. Description of the Drawings

[0015] Figure 1 is a schematic cross-sectional structure view of the handlebar turn signal according to an embodiment of the present utility model;

[0016] Figure 2 is an installation schematic view of the base according to an embodiment of the present utility model;

[0017] Figure 3 is a partial exploded structure view of the handlebar turn signal according to an embodiment of the present utility model;

[0018] Figure 4 is a partial cross-sectional view of the handlebar turn signal according to an embodiment of the present utility model. Detailed Embodiments

[0019] The present utility model will be further illustrated below in conjunction with the accompanying drawings and specific embodiments. These embodiments are implemented on the premise of the technical solution of the present utility model. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model.

[0020] As Figures 1 to 4 shown, the embodiment of the present utility model provides a handlebar turn signal, which includes a base 1 for fixing to the outer end of the handlebar cross tube 2. The base 1 is detachably and fixedly connected to an outer cover 3, and the outer cover 3 is preferably made of transparent plastic. A lamp board 4 is arranged inside the outer cover 3. To facilitate the fixing of the lamp board 4, it is preferred to respectively provide a retaining cover 5 and a support sleeve 6 on the inner and outer sides of the lamp board 4. The retaining cover 5 is detachably and fixedly connected to the outer cover 3 so that the lamp board 4 can be taken out during maintenance. A plurality of LED lights 41 are arranged on the lamp board 4 inside the support sleeve 6. The support sleeve 6 is preferably made of semi-transparent plastic, and the support sleeve 6 or the outer cover 3 can be set to orange-yellow, so as to emit an orange-yellow light prompt signal. The inner and outer ends of the support sleeve 6 respectively abut against the lamp board 4 and the inner side of the outer end of the outer cover 3. A button sleeve 7 is arranged at the outer end of the outer cover 3, a button body 8 is arranged on the outer side of the lamp board 4, and an avoidance hole 61 is arranged on the support sleeve 6. The embodiment of the present utility model preferably uses a battery for power supply and uses Bluetooth communication to synchronously send the instruction for controlling the turning on or off of the LED lights 41 to the main controller of the electric assist bicycle. It is preferred to arrange a battery 42 and a Bluetooth module 43 on the inner side of the lamp board 4. The Bluetooth module 43 internally integrates a Bluetooth module and a processor. The button body 8, the LED lights 41 and the battery 42 are respectively connected to the Bluetooth module 43. The battery 42 provides working power for the Bluetooth module 43. The Bluetooth module 43 receives the control instruction generated by the button body 8, and then controls the LED lights 41 to work (controls the LED lights 41 to flash when turned on), and at the same time sends the control instruction to the above-mentioned main controller, so that the main controller synchronously controls the turning signals at the rear of the vehicle to work. The battery 42 is preferably a rechargeable battery. A charging interface 44 connected to the battery 42 is arranged on the outer side of the lamp board 4. An avoidance port 16 matching the charging interface 44 is arranged on the retaining cover 5. After unscrewing the outer cover 3 from the base 1, it can be directly charged using a charger. The charging interface 44 is preferably a Type-C female socket. The above-mentioned button body 8 is preferably arranged in the middle of the lamp board 4. The above-mentioned LED lights 41 are preferably three, and they are arranged in a circumferential array outside the button body 8.

[0021] In order to facilitate the fixation of the base 1 on the handlebar cross tube 2, a sealing plug 9 is fixedly connected by bolts inside the base 1, and the sealing plug 9 is in interference fit with the inside of the handlebar cross tube 2. Specifically, an internal hexagonal groove 10 adapted to the bolt can be provided inside the base 1. After the bolt 11 passes through the through hole on the base, the outer end of the bolt 11 can be arranged inside the internal hexagonal groove 10 to prevent rotation. After the bolt 11 passes through the through hole in the middle of the sealing plug 9, a fixing nut 12 is threadedly connected and fixed to the inner end of the bolt 11, and then the sealing plug 9 can be fixed inside the base 1. The sealing plug 9 is preferably a soft rubber sealing plug, and a plurality of convex rings 91 can be provided on its outer side. When it is inserted into the handlebar cross tube 2, the convex rings 91 can be deformed. The convex rings 91 can be arranged to incline outwards, which is convenient for easier insertion and prevents easy detachment.

[0022] An internal thread structure is provided on the inner side of the outer end of the base 1, and a matching external thread structure is provided on the outer side of the inner end of the outer cover 3, so that the base 1 and the outer cover 3 are threadedly connected and fixed. In order to improve the sealing effect, a sealing ring 13 is provided between the base 1 and the outer cover 3.

[0023] The baffle 5 of the embodiment of the present utility model is preferably snap-connected to the outer cover 3. Specifically, a plurality of card slots 14 can be provided at the inner end of the outer cover 3, and corresponding card blocks 15 are provided on the outer side of the baffle 5. After the baffle 5 is inserted into the inner end of the outer cover 3, the card blocks 15 fall into the card slots 14, thereby fixing the baffle 5 on the outer cover 3.

[0024] The above-mentioned button sleeve 7 is preferably a silica gel button sleeve, and it includes a pressing column 71 and an outer edge 72 arranged around the pressing column 71. The pressing column 71 and the outer edge 72 are integrally formed. The pressing column 71 is arranged through the avoidance hole 61 and corresponds to the position of the button body 8. In order to facilitate the fixation of the button sleeve 7, a groove 31 adapted to the outer edge 72 is provided on the inner side of the outer end of the outer cover 3, and the support sleeve 6 presses the outer edge 72 in the groove 31. The button body 8 is preferably a microswitch. When the button sleeve 7 is pressed from the outside, the pressure will be transmitted to the button body 8 through the pressing column 71, thereby generating an instruction for controlling the opening or closing of the LED lamp 41.

[0025] Based on the above embodiments, those skilled in the art can easily understand that the present utility model also provides an electric assist bicycle, which includes the above-mentioned handlebar turn signal.

[0026] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, other parts not specifically described belong to the prior art or common general knowledge. Without departing from the principle of the present utility model, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A handlebar turn signal, characterized in that, It includes a base for fixing to the outer end of the handlebar cross tube and a cover detachably and fixedly connected to the base. A lamp board is provided inside the cover. A number of LED lights are provided on the lamp board. A battery and a Bluetooth module are provided on the inner side of the lamp board. A button sleeve is provided at the outer end of the cover. A button body is provided on the outer side of the lamp board. The button body, the LED lights and the battery are respectively connected to the Bluetooth module.

2. The handlebar turn signal according to claim 1, wherein, A sealing plug is fixedly connected by bolts to the inner side of the base, and the sealing plug is in interference fit with the inner side of the handlebar cross tube.

3. The handlebar turn signal according to claim 1, characterized in that, The base is threadedly connected to the cover, and a sealing ring is provided between it and the cover.

4. The handlebar turn signal according to claim 1, characterized in that, The button sleeve is a silicone button sleeve and includes a pressing post and an outer edge arranged around the pressing post. A retaining cover and a support sleeve are respectively provided on the inner and outer sides of the lamp board. The retaining cover is detachably and fixedly connected to the cover. The inner and outer ends of the support sleeve are respectively in contact with the lamp board and the inner side of the outer end of the cover. An avoidance hole is provided on the support sleeve. The pressing post is inserted through the avoidance hole and corresponds to the position of the button body. A groove for cooperating with the outer edge is provided on the inner side of the outer end of the cover. The support sleeve presses the outer edge in the groove.

5. A handlebar turn signal according to claim 4, wherein, The retaining cover is snap-connected to the cover.

6. The handlebar turn signal according to claim 2, wherein, A number of convex rings are provided on the outer side of the sealing plug, and the convex rings are arranged to incline outwards.

7. A handlebar turn signal according to claim 4, characterized in that, The battery is a rechargeable battery. A charging interface for connecting the battery is provided on the outer side of the lamp board. An avoidance opening for cooperating with the charging interface is provided on the retaining cover.

8. The handlebar turn signal according to claim 1, characterized in that, The button body is arranged in the middle of the lamp board. There are three LED lights, and they are arranged in a circumferential array on the outer side of the button body.

9. An electric assist bicycle, characterized in that, It includes the handlebar turn signal according to any one of claims 1-8.