A battery assembly for an electric vehicle

Abstract

The utility model discloses a kind of vehicle pipe battery assembly structures, comprising: the frame pipe being arranged in the lower part of bicycle frame, frame pipe includes outer tube, sleeve, inner tube and battery assembly in turn from outside to inside;Two elastic fixing blocks are provided on the outside of sleeve, and the inside of elastic fixing block is provided with first clamping block;First clamping groove is provided on the outside of inner tube, and the inside of first clamping groove is provided with second clamping block;Battery assembly is provided with the second clamping groove of second clamping block clamping.This application realizes that battery is completely built-in frame pipe by four-layer nesting structure of outer tube, sleeve, inner tube, battery assembly, avoids external exposure, and improves aesthetic and security;Sleeve and elastic fixing block constitute double buffer layer, combined with the interlocking design of first clamping block / slot and second clamping block / slot, ensure the stability of battery under bumpy road conditions;Rear frame cover cooperates with handle cloth strip, realizes that battery assembly is quickly pulled and disassembled;Lead channel is integrated between elastic fixing block, avoid line winding.

Description

Technical Field

[0001] This utility model relates to the field of battery assembly, and in particular to a vehicle-mounted battery pack assembly structure. Background Technology

[0002] Currently, most electric bicycle batteries are externally mounted under or at the rear of the frame, which presents problems such as susceptibility to impact damage, affecting the overall appearance of the vehicle, poor waterproofing, and the risk of exposed wiring. Although some solutions have attempted to integrate the battery into the frame tube, these generally suffer from drawbacks such as complex disassembly and assembly, insufficient shock resistance, and chaotic wiring layout, making it difficult to balance structural stability and ease of maintenance. Utility Model Content

[0003] The purpose of this invention is to provide a vehicle-mounted battery pack assembly structure to solve the above-mentioned problems.

[0004] According to one aspect of the present invention, a bicycle frame tube battery pack assembly structure is provided, comprising: a frame tube disposed at the lower part of a bicycle frame, the frame tube comprising, from the outside to the inside, an outer tube, a sleeve, an inner tube, and a battery assembly; the outer side of the sleeve is provided with two elastic fixing blocks that abut against the inner side of the outer tube, and the inner side is provided with a first locking block; the outer side of the inner tube is provided with a first locking groove that engages with the first locking block, and the inner side is provided with a second locking block; the battery assembly is provided with a second locking groove that engages with the second locking block.

[0005] In some embodiments, the sleeve is made of rubber.

[0006] In some embodiments, the elastic fixing block and the first locking block are integrally formed with the sleeve.

[0007] In some embodiments, the front end of the outer tube is fixed to a vehicle tube front frame by bolts, and the front end of the vehicle tube front frame has a wire hole with a diameter smaller than that of the inner tube; a wire channel is formed between the two elastic fixing blocks, and the wire passes through the wire hole and the wire channel to be electrically connected to the battery assembly.

[0008] In some embodiments, the rear end of the outer tube is fixed to a vehicle tube rear frame by bolts, the rear end of the vehicle tube rear frame has an internal thread structure and is screwed to a rear frame cover; the front end of the rear frame cover abuts against the rear end of the battery assembly, and a waterproof pad is provided between the two; a handle strip is fixed to the rear side of the waterproof pad.

[0009] In some embodiments, a fixing member is fixed to the front side of the inner tube, and a discharge plug is provided on the front side of the fixing member and a charging socket is provided on the upper part, both of which are electrically connected to the battery assembly.

[0010] Compared with the prior art, the beneficial effects of this application are as follows:

[0011] This application utilizes a four-layer nested structure consisting of an outer tube, a sleeve, an inner tube, and a battery assembly to achieve complete internal integration of the battery into the frame tube, avoiding external exposure and improving aesthetics and safety. The sleeve and the elastic fixing block form a double buffer layer, and the interlocking design of the first and second locking blocks / slots ensures the stability of the battery under bumpy road conditions. The rear frame cover and the handle strip work together to enable quick pull-out and disassembly of the battery assembly. The wire channel is integrated between the elastic fixing blocks to prevent wire tangling. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is a schematic diagram of the structure of the rear hidden tube rear frame of this utility model;

[0014] Figure 3 This is a structural schematic diagram of the fastener of this utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the waterproof pad of this utility model;

[0016] Figure 5 This is a schematic diagram of the cross-section of the present invention;

[0017] Figure 6 This is a schematic diagram of the sleeve structure of this utility model;

[0018] Figure 7 This is a schematic diagram of the connection structure between the inner tube and the battery assembly of this utility model. 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. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] refer to Figures 1 to 7 This application provides a bicycle frame tube battery pack assembly structure, including: a frame tube located at the lower part of the bicycle frame, the frame tube including an outer tube 1, a sleeve 2, an inner tube 3 and a battery assembly 4 from the outside to the inside; the sleeve 2 has two elastic fixing blocks 5 on its outer side that abut against the inner side of the outer tube 1, and a first locking block 6 on its inner side; the inner tube 3 has a first locking groove 7 on its outer side that engages with the first locking block 6, and a second locking block 8 on its inner side; the battery assembly 4 has a second locking groove 9 that engages with the second locking block 8.

[0021] In some embodiments, the sleeve 2 is made of rubber.

[0022] In some embodiments, the elastic fixing block 5 and the first locking block 6 are integrally formed with the sleeve 2.

[0023] In some embodiments, the front end of the outer tube 1 is fixed to the front tube frame 10 by bolts, and the front end of the front tube frame 10 has a wire hole with a diameter smaller than that of the inner tube 3; a wire channel is formed between the two elastic fixing blocks 5, and the wire passes through the wire hole and the wire channel to be electrically connected to the battery assembly 4.

[0024] In some embodiments, the rear end of the outer tube 1 is fixed to the vehicle tube rear frame 11 by bolts, the rear end of the vehicle tube rear frame 11 is provided with an internal thread structure and screwed to the rear frame cover 12; the front end of the rear frame cover 12 abuts against the rear end of the battery assembly 4, and a waterproof pad 13 is provided between the two; a handle cloth strip 14 is fixed to the rear side of the waterproof pad 13.

[0025] In some embodiments, a fixing member 15 is fixedly connected to the front side of the inner tube 3. The fixing member 15 has a discharge plug 16 on the front side and a charging socket 17 on the upper part, both of which are electrically connected to the battery assembly 4.

[0026] This application utilizes a four-layer nested structure consisting of an outer tube 1, a sleeve 2, an inner tube 3, and a battery assembly 4 to achieve complete internal integration of the battery into the frame tube, avoiding external exposure and improving aesthetics and safety. The sleeve 2 and the elastic fixing block 5 form a double buffer layer, and the interlocking design of the first and second locking blocks / slots ensures the stability of the battery under bumpy road conditions. The rear frame cover 12 and the handle strip 14 work together to enable quick pull-out and disassembly of the battery assembly 4. The wire channel is integrated between the elastic fixing blocks 5 to prevent wire tangling.

[0027] This application is based on the principles of elastic deformation nested locking and modular layered assembly:

[0028] Radial buffer fixation: The elastic fixing block 5 of the sleeve 2 is deformed by the pressure of the outer tube 1, forming radial prestress fixation;

[0029] Axial locking and transmission: The wedge-shaped engagement of the first locking block 6 and the first locking groove 7 achieves axial locking of the sleeve 2 and the inner tube 3, and the vibration energy is attenuated by the rubber material;

[0030] Bidirectional battery positioning: The battery assembly 4 is engaged with the second block 8 of the inner tube 3 through the second slot 9 to form the core assembly; the rear cover 12 presses the battery assembly 4 forward and compresses the waterproof gasket 13 to form an axial seal.

[0031] Detailed installation process:

[0032] Pre-installation of sleeve 2: Press sleeve 2 with elastic fixing block 5 and first clamping block 6 into outer tube 1, with elastic fixing block 5 and inner wall of outer tube 1 having an interference fit;

[0033] Positioning of inner tube 3: Insert inner tube 3 along the inner cavity of sleeve 2, so that the first slot 7 is aligned with the first block 6 and engaged, thus completing the primary assembly locking;

[0034] Battery integration: Pass wires through the fixing piece 15 on the front side of the inner tube 3 to connect the positive and negative terminals of the battery assembly 4; push the battery assembly 4 to make the second slot 9 engage with the second locking block 8 of the inner tube 3;

[0035] Post-sealing assembly:

[0036] Place a waterproof pad 13 at the rear end of the battery assembly 4 and embed a handle strip 14; bolt the rear frame 11 of the vehicle tube to the rear end of the outer tube 1 and screw in the rear frame cover 12 until the waterproof pad 13 is pressed tightly.

[0037] Front port closed:

[0038] Lead the wire out from the wire channel between the elastic fixing blocks 5 and pass it through the wire hole of the front frame 10 of the vehicle tube;

[0039] Secure the front frame 10 of the vehicle tube to the front end of the outer tube 1 with bolts.

[0040] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A vehicle-mounted battery pack assembly structure, characterized in that, include: A frame tube located at the bottom of a bicycle frame, the frame tube comprising, from the outside to the inside, an outer tube, a sleeve, an inner tube, and a battery assembly; The outer side of the sleeve is provided with two elastic fixing blocks that abut against the inner side of the outer tube, and the inner side is provided with a first locking block; The outer side of the inner tube is provided with a first slot that engages with the first locking block, and the inner side is provided with a second locking block; The battery assembly is provided with a second slot that engages with the second card block.

2. The vehicle-mounted battery pack assembly structure according to claim 1, characterized in that, The sleeve is made of rubber.

3. The vehicle-mounted battery pack assembly structure according to claim 2, characterized in that, The elastic fixing block and the first locking block are integrally formed with the sleeve.

4. The vehicle-mounted battery pack assembly structure according to claim 1, characterized in that, The front end of the outer tube is fixed to the front frame of the vehicle tube by bolts. The front end of the front frame of the vehicle tube has a wire hole with a diameter smaller than that of the inner tube. A wire channel is formed between the two elastic fixing blocks. The wire passes through the wire hole and the wire channel and is electrically connected to the battery assembly.

5. The vehicle-mounted battery pack assembly structure according to claim 1, characterized in that, The rear end of the outer tube is fixed to the rear frame of the vehicle tube by bolts. The rear end of the rear frame of the vehicle tube has an internal thread structure and is screwed to the rear frame cover. The front end of the rear frame cover abuts against the rear end of the battery assembly, and a waterproof pad is provided between the two. A handle strip is fixed to the rear side of the waterproof pad.

6. The vehicle-mounted battery pack assembly structure according to claim 1, characterized in that, The inner tube is fixed to a fastener on the front side. The fastener has a discharge plug on the front side and a charging port on the upper part, both of which are electrically connected to the battery assembly.

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