A quick-release electric bicycle lithium battery module structure

Abstract

This utility model relates to the field of lithium battery technology for electric bicycles and discloses a quick-release lithium battery module structure for electric bicycles. It includes a connecting frame and multiple lithium batteries. The connecting frame has multiple openings inside. Connecting frames are fixedly fitted onto the top sidewalls of each of the lithium batteries. The connecting frames are inserted into the openings, and fixing frames are fixedly connected to the top sidewalls of each lithium battery. The connecting frame fixedly fitted onto the top sidewall of each lithium battery inserts into the opening of the connecting frame, achieving initial positioning of the lithium battery. The fixing frames at the top of the lithium battery cooperate with the connecting frames to further restrict the axial displacement of the lithium battery, preventing it from falling out of the opening. The metal elastic strip in the rectangular groove inside the connecting frame is the core limiting component. Its end-positioning block is pushed outwards in its natural state and simultaneously inserts into the limiting slots of the connecting frame and the fixing frames, forming a double lock.

Description

Technical Field

[0001] This utility model relates to the field of lithium battery technology for electric bicycles, and in particular to a quick-release lithium battery module structure for electric bicycles. Background Technology

[0002] Lithium batteries are the core power source for electric bicycles. With their advantages such as high energy density, long cycle life, and light weight, they have gradually replaced traditional lead-acid batteries and become the mainstream choice. The performance of lithium batteries directly affects the range, power, and safety of electric bicycles. Choosing the right type and performing regular maintenance can effectively extend their service life and ensure a good riding experience.

[0003] In existing technologies, lithium batteries in electric bicycles require regular maintenance and replacement. This necessitates removing the lithium battery from the bicycle for subsequent maintenance. However, the lithium battery connectors are securely located inside the electric bicycle and are relatively heavy, making disassembly inconvenient. Therefore, this invention designs a quick-release lithium battery module structure for electric bicycles. Utility Model Content

[0004] The purpose of this invention is to solve the problem that in the existing technology, lithium batteries for electric bicycles need to be regularly maintained and replaced, requiring the lithium batteries to be removed from the inside of the electric bicycle for subsequent maintenance. However, the lithium batteries for electric bicycles are fixed inside the bicycle and are heavy, making disassembly inconvenient. Therefore, this invention proposes a quick-release lithium battery module structure for electric bicycles.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A quick-release electric bicycle lithium battery module structure includes a connecting frame and multiple lithium batteries. The connecting frame has multiple openings inside. The top sidewalls of the multiple lithium batteries are respectively fixedly fitted with connecting frames. The multiple connecting frames are respectively inserted into the multiple openings. The top sidewalls of the multiple lithium batteries are respectively fixedly connected with fixing frames. The connecting frames are provided with limiting mechanisms inside.

[0007] Preferably, a clamping plate is fixedly connected to the side wall of the connecting frame, and the clamping plate is internally threaded with mounting bolts.

[0008] Preferably, the limiting mechanism includes a metal elastic strip and a limiting plug. The connecting frame has multiple rectangular slots inside. The metal elastic strip is fixedly connected to the inner wall of the rectangular slot. The limiting plug is fixedly connected to the end of the metal elastic strip. The connecting frame and the fixing frame each have a limiting slot inside. The limiting plug is inserted into the inside of the limiting slot.

[0009] Preferably, a first pull rope is fixedly connected to the side wall of the limiting plug, and a second pull rope is fixed to the side wall of the upper limiting plug.

[0010] Preferably, the ends of the first and second pull ropes that are away from the limiting insert block extend to the top of the connecting frame and are fixedly connected with pull rings.

[0011] Preferably, an anti-slip rubber pad is fixedly connected to the side wall of the limiting plug, and the anti-slip rubber pad is pressed tightly inside the limiting slot.

[0012] Compared with the prior art, this utility model provides a quick-release electric bicycle lithium battery module structure, which has the following advantages:

[0013] 1. The quick-release electric bicycle lithium battery module structure uses a connecting frame fixedly fitted on the top side wall of each lithium battery to insert into the opening of the connecting frame, thus achieving initial positioning of the lithium battery. The fixed frame at the top of the lithium battery cooperates with the connecting frame to further restrict the axial displacement of the lithium battery and prevent the lithium battery from falling out of the opening. The metal elastic strip in the rectangular groove inside the connecting frame is the core limiting component. The limiting block at its end is pushed outward in the natural state and is simultaneously inserted into the limiting slots of the connecting frame and the fixed frame to form a double lock.

[0014] 2. The quick-release electric bicycle lithium battery module structure allows for easy disassembly by pulling the first and second pull ropes via a pull ring. The pull ropes compress the metal elastic strip, causing the limit block to be pulled out of the limit slots of the connecting frame and the fixing frame, releasing the double lock. At this point, the lithium battery, along with the connecting frame, can be directly removed from the opening of the connecting frame, completing the disassembly. During installation, simply insert the connecting frame into the opening, release the pull ring, and the metal elastic strip resets, pushing the limit block back into the slot for quick fixation. Attached Figure Description

[0015] Figure 1 This is a structural diagram of a quick-release electric bicycle lithium battery module structure proposed in this utility model.

[0016] Figure 2 for Figure 1 Enlarged structural diagram of part A in the middle section;

[0017] Figure 3 for Figure 2 Three-dimensional view of the middle limiting insert block.

[0018] In the diagram: 1 Connecting frame, 2 Lithium battery, 3 Card plate, 4 Mounting bolt, 5 Connecting frame, 6 Fixing frame, 7 Metal elastic strip, 8 Limiting block, 9 First pull rope, 10 Second pull rope, 11 Pull ring, 12 Anti-slip rubber pad. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Example 1

[0021] Reference Figure 1-3 A quick-release electric bicycle lithium battery module structure includes a connecting frame 1 and multiple lithium batteries 2. The connecting frame 1 has multiple openings inside. The top sidewalls of the multiple lithium batteries 2 are respectively fixedly fitted with connecting frames 5. The multiple connecting frames 5 are respectively inserted into the multiple openings. The top sidewalls of the multiple lithium batteries 2 are respectively fixedly connected with fixing frames 6. The sidewalls of the connecting frame 1 are fixedly connected with clamping plates 3. The internal threads of the clamping plates 3 are connected with mounting bolts 4.

[0022] The connecting frame 5 is provided with a limiting mechanism, which includes a metal elastic strip 7 and a limiting block 8. Multiple rectangular slots are opened inside the connecting frame 5. The metal elastic strip 7 is fixedly connected to the inner wall of the rectangular slot, and the limiting block 8 is fixedly connected to the end of the metal elastic strip 7. Limiting slots are opened inside the connecting frame 1 and the fixing frame 6 respectively, and the limiting block 8 is inserted into the inside of the limiting slot.

[0023] The connecting frame 1 serves as the mounting carrier for the lithium battery module, with multiple internal openings to accommodate the lithium battery 2. The clamping plate 3 on the side wall of the connecting frame 1 is fixed to the electric bicycle frame by mounting bolts 4, providing stable support for the entire lithium battery module and ensuring that the module does not shake during riding.

[0024] The connecting frame 5, which is fixedly sleeved on the top side wall of each lithium battery 2, is inserted into the opening of the connecting frame 1 to achieve the initial positioning of the lithium battery. The fixing frame 6 at the top of the lithium battery 2 cooperates with the connecting frame 5 to further restrict the axial displacement of the lithium battery and prevent the lithium battery from falling out of the opening.

[0025] The metal elastic strip 7 inside the rectangular groove of the connecting frame 5 is the core limiting component. The limiting block 8 at its end is pushed outward in its natural state and simultaneously inserted into the limiting slots of the connecting frame 1 and the fixing frame 6, forming a double lock: fixing the connecting frame 5 to the connecting frame 1 and fixing the connecting frame 5 to the fixing frame 6, ensuring that the lithium battery 2 is completely fixed in the connecting frame 1 and will not have poor contact due to vibration.

[0026] The anti-slip rubber pad 12 on the side wall of the limiting plug 8 is pressed tightly into the limiting slot to increase friction and prevent the limiting plug 8 from coming out of the slot due to bumps, thus enhancing the reliability of the fixation.

[0027] Example 2

[0028] Reference Figure 1-3 A first pull rope 9 is fixedly connected to the side wall of the limiting plug 8, and a second pull rope 10 is fixedly connected to the side wall of the upper limiting plug 8. The ends of the first pull rope 9 and the second pull rope 10 that are away from the limiting plug 8 extend to the top of the connecting frame 5 and are fixedly connected to a pull ring 11. An anti-slip rubber pad 12 is fixedly connected to the side wall of the limiting plug 8, and the anti-slip rubber pad 12 is pressed and set inside the limiting slot.

[0029] When the lithium battery needs to be replaced or maintained, the first pull rope 9 and the second pull rope 10 are pulled by the pull ring 11 above the connecting frame 5. The pull ropes cause the limiting plug 8 to compress the metal elastic strip 7, so that the limiting plug 8 can be pulled out from the limiting slot of the connecting frame 1 and the fixing frame 6, thus releasing the double lock. At this time, the lithium battery 2 along with the connecting frame 5 can be directly removed from the opening of the connecting frame 1 to complete the disassembly. During installation, simply insert the connecting frame 5 into the opening, release the pull ring 11, and the metal elastic strip 7 will reset and push the limiting plug 8 back into the slot, achieving quick fixation.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A quick-release electric bicycle lithium battery module structure, comprising a connecting frame (1) and multiple lithium batteries (2), characterized in that: The connecting frame (1) has multiple openings inside. The top sidewalls of the multiple lithium batteries (2) are respectively fixedly fitted with connecting frames (5). The multiple connecting frames (5) are respectively inserted into the multiple openings. The top sidewalls of the multiple lithium batteries (2) are respectively fixedly connected with fixing frames (6). The connecting frame (5) is provided with a limiting mechanism inside. The limiting mechanism includes a metal elastic strip (7) and a limiting plug (8). The connecting frame (5) has multiple rectangular slots inside. The metal elastic strip (7) is fixedly connected to the inner wall of the rectangular slot. The limiting plug (8) is fixedly connected to the end of the metal elastic strip (7). The connecting frame (1) and the fixing frame (6) are respectively provided with limiting slots inside. The limiting plug (8) is inserted into the limiting slot.

2. The quick-release electric bicycle lithium battery module structure according to claim 1, characterized in that: A clamping plate (3) is fixedly connected to the side wall of the connecting frame (1), and an installation bolt (4) is threaded inside the clamping plate (3).

3. The quick-release electric bicycle lithium battery module structure according to claim 1, characterized in that: A first pull rope (9) is fixedly connected to the side wall of the limiting plug (8), and a second pull rope (10) is fixed to the side wall of the upper limiting plug (8).

4. The quick-release electric bicycle lithium battery module structure according to claim 3, characterized in that: The first pull rope (9) and the second pull rope (10) extend from the end opposite to the limiting plug (8) to the top of the connecting frame (5) and are fixedly connected with a pull ring (11).

5. The quick-release electric bicycle lithium battery module structure according to claim 1, characterized in that: An anti-slip rubber pad (12) is fixedly connected to the side wall of the limiting plug (8), and the anti-slip rubber pad (12) is pressed and set inside the limiting slot.

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