Lower tube modular battery device of electric bicycle

Abstract

A lower tube modularized battery device of an electric bicycle comprises a modularized battery box and a cover plate assembly, the cover plate assembly comprises a cover plate and two fixing pieces installed at the two ends of the cover plate respectively, and the cover plate assembly is fixed to the two ends of the modularized battery box through the two fixing pieces respectively. The modular battery box is contained in an open inner cavity formed in the lower pipe, the cover plate is provided with an outer surface structure smoothly connected with the surface of the lower pipe, smooth surfaces of the cover plate and the lower pipe are formed, and one fixing piece in the cover plate assembly is provided with an anti-disengaging spring bolt capable of extending into an upper concave part at the corresponding end of the open inner cavity. According to the lower pipe modularized battery device of the electric bicycle, the pipe fitting is convenient to machine, the battery is easy to assemble, disassemble and maintain, and the lower pipe modularized battery device has practical value.

Description

Technical Field

[0001] The utility model relates to a battery device for an electric vehicle, in particular to a modular battery device for a lower tube of an electric bicycle. Background Art

[0002] An electric bicycle is a vehicle that uses a battery as an auxiliary energy source and is based on an ordinary bicycle and is equipped with a motor, controller, battery, handlebars, brake handles and other operating components and a display instrument system.

[0003] At present, the battery pack required by electric bicycles is usually placed outside the frame, which makes the battery pack vulnerable to bumps and rain, affecting the battery life. Or the battery pack is placed in the frame or other cavity, which makes the pipe processing complicated and the loading and unloading and maintenance inconvenient. Therefore, a modular battery device for the downtube of an electric bicycle is proposed. Summary of the invention

[0004] In order to make up for the above shortcomings, the utility model provides a modular battery device for the lower tube of an electric bicycle, which is convenient for tube processing, simple for battery assembly and disassembly and maintenance, and has practical value.

[0005] The technical solution of the utility model is implemented as follows: a modular battery device for a downtube of an electric bicycle, including a modular battery box and a cover assembly, the cover assembly including a cover and two fixing members respectively installed at both ends of the cover, the cover assembly is respectively fixed to the two ends of the modular battery box by the two fixing members, and the modular battery box is accommodated in an open inner chamber provided on the downtube.

[0006] As a further improvement of the utility model, the cover plate has an outer surface structure smoothly connected with the surface of the lower tube, forming a smooth surface of the cover plate and the lower tube.

[0007] As a further improvement of the present invention, one fixing member in the cover assembly is provided with an anti-dropping lock tongue which can extend into the recess on the corresponding end of the open inner chamber, and another fixing member in the cover assembly is locked to the other end of the open inner chamber by a lock.

[0008] As a further improvement of the utility model, the anti-slip lock tongue is movably embedded in the corresponding fixing part, and is locked to the corresponding upper recess of the open inner chamber through a modular anti-slip assembly. The modular anti-slip assembly controls the anti-slip lock tongue to extend into or withdraw from the corresponding upper recess of the open inner chamber through a press key, thereby realizing the locking or release of the lower tube of the cover plate assembly and the modular battery box.

[0009] As a further improvement of the present invention, the cover plate and the lower tube have the same arc-shaped outer surface or side elevation.

[0010] The beneficial technical effect of the utility model is as follows: the modular battery device of the lower tube of the electric bicycle comprises a modular battery box and a cover assembly, the modular battery box is accommodated in an open inner chamber provided on the lower tube, the cover assembly comprises a cover and two fixing members respectively installed at both ends of the cover, the cover assembly is respectively fixed to the two ends of the modular battery box by the two fixing members, furthermore, one fixing member in the cover assembly is provided with an anti-dropping lock tongue which can extend into the concave portion on the corresponding end of the open inner chamber, and the cover assembly The other fixing part is locked to the other end of the open inner chamber by a lock, the anti-dropping lock tongue is movably embedded in the corresponding fixing part, and is locked to the upper recess of the corresponding end of the open inner chamber by a modular anti-dropping component, and the modular anti-dropping component controls the anti-dropping lock tongue to extend into or withdraw from the upper recess of the corresponding end of the open inner chamber by a pressing key, so that the cover plate assembly and the modular battery box are locked or released. The lower tube, because the battery box is modular, and one end of the cover plate also adopts a modular anti-dropping component, the design and processing are convenient, which is conducive to mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is the structural assembly drawing of the utility model;

[0013] Figure 3 This is a schematic diagram of the modular anti-slip assembly described in the utility model;

[0014] Figure 4 Another structural schematic diagram of an embodiment of the present invention.

[0015] The following supplements are made in reference to the above attached figures:

[0016] 1——Modular battery box 3——Down tube

[0017] 21——cover plate 31——open inner chamber

[0018] 22, 23 - Fixing parts

[0019] 25——Press key

[0020] 26——Anti-drop lock tongue DETAILED DESCRIPTION

[0021] Combination Figure 1 , Figure 2 , Figure 3 and Figure 4 , the following is a detailed statement:

[0022] A modular battery device for a lower tube of an electric bicycle comprises a modular battery box 1 and a cover assembly, the cover assembly comprising a cover 21 and two fixing members 22 and 23 respectively mounted at both ends of the cover (21), the cover assembly being respectively fixed to both ends of the modular battery box 1 by the two fixing members 22 and 23, the modular battery box 1 being accommodated in an open inner chamber 31 provided on a lower tube 3, the cover 21 having an outer surface structure smoothly connected with the surface of the lower tube 3, forming a smooth surface of the cover 21 and the lower tube 3, such as the cover 21 and the lower tube 3 having the same arc-shaped outer surface (such as Figure 1 Embodiment), or the cover plate 21 and the lower tube 3 have the same side elevation (such as Figure 4 Example).

[0023] A fixing part 22 in the cover plate assembly is provided with an anti-dropout lock tongue 26 which can extend into the concave portion on the corresponding end of the open inner chamber, and another fixing part (23) in the cover plate assembly is locked to the other end of the open inner chamber 31 by a lock, and the anti-dropout lock tongue 26 is movably embedded in the corresponding fixing part and is locked to the concave portion on the corresponding end of the open inner chamber 31 by a modular anti-dropout assembly. The modular anti-dropout assembly controls the anti-dropout lock tongue 26 to extend into or withdraw from the concave portion on the corresponding end of the open inner chamber 31 by a push button 25, so as to realize that the cover plate assembly and the modular battery box 1 are locked or released from the lower tube 3.

[0024] Since the battery box adopts modular design and processing, it can be installed on any electric vehicle frame pipe fittings, and the outer surface of the cover plate in the cover plate assembly needs to be the same as the outer surface structure of the lower tube (personalized design), and the two fixing parts and modular anti-detachment components in the cover plate assembly can be processed by modular design, so the design and processing are convenient, the efficiency is improved, the installation is simple, and it has practical value.

[0025] The contents not described in detail in the present invention belong to the prior art known to the professionals in the field.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A modular battery device for a down tube of an electric bicycle, comprising a modular battery box (1) and a cover assembly, characterized in that: The cover plate assembly comprises a cover plate (21) and two fixing members (22, 23) respectively mounted on two ends of the cover plate (21); the cover plate assembly is respectively fixed to two ends of the modular battery box (1) via the two fixing members (22, 23); and the modular battery box (1) is accommodated in an open inner chamber (31) provided on a lower tube (3).

2. The down tube modular battery device for an electric bicycle as claimed in claim 1, characterized in that: The cover plate (21) has an outer surface structure that is smoothly connected to the surface of the lower tube (3), forming a smooth surface of the cover plate (21) and the lower tube (3).

3. The down tube modular battery device of the electric bicycle as claimed in claim 1 or 2, characterized in that: A fixing member (22) in the cover plate assembly is provided with an anti-dropping lock tongue capable of extending into a recessed portion on a corresponding end of the open inner chamber, while another fixing member (23) in the cover plate assembly is locked to the other end of the open inner chamber (31) by a lock.

4. The down tube modular battery device for an electric bicycle as claimed in claim 3, characterized in that: The anti-dropout locking tongue (26) is movably embedded in a corresponding fixing part and is locked to a corresponding upper concave portion of the open inner chamber (31) through a modular anti-dropout component. The modular anti-dropout component controls the anti-dropout locking tongue (26) to extend into or withdraw from the corresponding upper concave portion of the open inner chamber (31) through a pressing key (25), thereby achieving locking or releasing of the lower tube (3) by the cover plate component together with the modular battery box (1).

5. The down tube modular battery device of an electric bicycle as claimed in claim 1 or 2, characterized in that: The cover plate (21) and the lower tube (3) have the same arc-shaped outer surface or side elevation.

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