Battery mounting structure and electric bicycle
By using a snap-fit design for the battery mounting bracket and battery compartment, the problems of non-compact battery installation structure, increased weight, and complex installation in electric bicycles are solved. This achieves efficient space utilization and easy battery installation and removal, thereby improving the range and energy efficiency of electric bicycles.
Patent Information
- Application Number
- CN202423082871.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-13
AI Technical Summary
The existing battery installation structure of electric bicycles leads to increased vehicle weight, low space utilization, complex installation, and is limited by the frame structure, affecting range and energy efficiency.
The design incorporates a snap-fit assembly for the mounting base and battery compartment, including snap-fit components and snap-fit slots. Combined with the cooperation of guide blocks and guide slots, it achieves a secure connection and easy installation and removal of the battery.
It improves space utilization, reduces vehicle weight, enhances energy efficiency, simplifies battery installation and replacement, and adapts to the needs of batteries with different capacities and shapes.
Smart Images

Figure CN223546395U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of electric bicycle technology, and in particular relates to a battery mounting structure and an electric bicycle. Background Technology
[0002] Electric bicycles, as a modern means of transportation, integrate batteries, motors, controllers, and various operating components and display systems into the traditional bicycle design. The battery, as the core power source of an electric bicycle, directly affects the vehicle's range. Users have varying requirements for battery range based on their individual needs; the longer the range, the larger the required battery capacity, and consequently, the larger the battery size. To meet the range needs of different users, the market offers a variety of battery specifications to choose from. Currently, the battery installation structure involves providing an internal battery box within the frame, where the battery is installed and connected to the motor via a discharge circuit connector. However, this structure increases the weight of the electric bicycle, affecting not only energy efficiency but also potentially resulting in insufficient space utilization due to the traditional internal battery box design. Furthermore, the internal battery box is typically installed in the frame under the seat, requiring the seat to be lifted for battery replacement, making installation and removal relatively complex. The design of the internal battery box is often limited by the electric bicycle frame structure, restricting its capacity and shape. Summary of the Invention
[0003] In view of the problems existing in the prior art, this utility model provides a battery mounting structure and an electric bicycle, which makes the battery mounting structure more compact, significantly improves space utilization, reduces the weight of the vehicle body, thereby improving the energy efficiency of the vehicle, and makes the installation and removal of the battery simpler and faster, no longer limited by the internal box structure.
[0004] This utility model is implemented as follows: On the one hand, it provides a battery mounting structure, including a mounting base and a battery compartment that cooperate with each other. The mounting base includes a connecting part and a protruding part. The side wall of the connecting part is provided with a snap-fit component. The connecting part is provided with a mounting hole for fixing the mounting base. The protruding part is provided with a recessed groove on its protruding surface. A power plug is provided in the recessed groove.
[0005] The mounting back plate of the battery compartment is provided with a placement cavity adapted to the connecting part. The mounting back plate located on the outer periphery of the placement cavity is provided with a snap-fit groove group that cooperates with the snap-fit assembly. The mounting back plate of the battery compartment is provided with a recessed part that cooperates with the protrusion. The recessed part is provided with a plug-in boss adapted to the sink groove. The plug-in boss is provided with a power slot that cooperates with the power plug pin.
[0006] Furthermore, guide blocks are symmetrically arranged on both sides of the connecting part, and guide grooves are provided in the battery compartment mounting back plates located on both sides of the placement cavity. The guide blocks cooperate with the guide grooves. The tight cooperation between the guide blocks and the guide grooves helps to ensure a stable connection between the mounting base and the battery compartment, reducing safety hazards caused by loosening or misalignment. The design of the guide blocks and guide grooves makes it easier to align the mounting base and the battery compartment during assembly, thereby simplifying the installation process and improving installation efficiency.
[0007] Furthermore, the snap-fit assembly includes a top snap-fit block and a side snap-fit block. The top snap-fit block is disposed at the top of the connecting part, and there are two side snap-fit blocks, which are symmetrically disposed on both sides of the connecting part.
[0008] The snap-fit slot assembly includes a top snap-fit slot and a side snap-fit slot. The top snap-fit slot is located inside the mounting back plate at the upper end of the placement cavity. There are two side snap-fit slots, which are symmetrically arranged inside the mounting back plates on both sides of the placement cavity.
[0009] The top locking block engages with the top locking slot, and the side locking block engages with the side locking slot. The engagement of the top locking block with the top locking slot, and the engagement of the side locking block with the side locking slot, together form a multi-point locking structure. This design greatly enhances the stability of the connection between the mounting base and the battery compartment. The design of the locking assembly and locking slot group not only makes the installation and removal process between the mounting base and the battery compartment simpler and faster, but also helps ensure accurate positioning between the mounting base and the battery compartment.
[0010] Furthermore, the mounting hole is an elongated hole structure, and its length direction is aligned with the length direction of the mounting base. This elongated hole design allows for greater adjustment flexibility during installation.
[0011] On the other hand, an electric bicycle is provided, including a frame tube on which the battery mounting structure described above is provided.
[0012] The advantages and technical effects of this utility model are as follows: Due to the adoption of the above technical solution, the battery installation structure is more compact, significantly improving space utilization. Simultaneously, the elimination of an internal battery box reduces vehicle weight, thereby improving vehicle energy efficiency. It also makes battery installation and removal simpler and faster. Furthermore, the battery structure is no longer limited by an internal box structure, allowing for flexible adaptation to battery requirements of various capacities and shapes.
[0013] The mounting base and battery compartment are secured together via a snap-fit assembly and snap-fit slots. This design ensures a stable connection while maintaining a compact overall battery mounting structure. The combination of protruding and recessed parts not only increases installation stability but also makes the entire structure more compact, reducing space requirements. Through the snap-fit assembly and snap-fit slots, users can easily install the battery compartment onto the mounting base and also easily remove it, greatly simplifying the battery installation and replacement process. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure provided in an embodiment of the present utility model;
[0015] Figure 2 This is a schematic diagram of the mounting base structure provided in an embodiment of the present utility model;
[0016] Figure 3 This is a schematic diagram of the battery compartment structure provided in an embodiment of the present invention.
[0017] In the diagram: 1. Mounting base; 1-1. Connecting part; 1-2. Protrusion; 1-3. Mounting hole; 1-4. Recessed groove; 1-5. Power plug; 2. Battery compartment; 2-1. Placement cavity; 2-2. Recessed part; 2-3. Insertion boss; 2-4. Power slot; 3. Snap-fit assembly; 3-1. Top snap-fit block; 3-2. Side snap-fit block; 4. Snap-fit groove assembly; 4-1. Top snap-fit groove; 4-2. Side snap-fit groove; 5. Guide block; 6. Guide groove. Detailed Implementation
[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this utility model.
[0019] It should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0020] like Figures 1 to 3As shown, this application provides a battery mounting structure, including a mounting base 1 and a battery compartment 2 that cooperate with each other. The mounting base 1 includes a connecting part 2 and a protrusion 1-2. A snap-fit component 3 is provided on the side wall of the connecting part 2. The connecting part 2 is provided with a mounting hole 1-3 for fixing the mounting base 1. Preferably, the mounting hole 1-3 is an elongated hole structure, and the length direction of the mounting hole 1-3 is in the same direction as the length direction of the mounting base 1. The design of the elongated hole structure allows the mounting base 1 to have greater adjustment space during installation. A recessed groove 1-4 is provided on the protruding surface of the protrusion 1-2, and a power plug 1-5 is provided in the recessed groove 1-4.
[0021] The mounting back plate of the battery compartment 2 is provided with a placement cavity 2-1 that is adapted to the connecting part 2. The mounting back plate located on the outer periphery of the placement cavity 2-1 is provided with a snap-fit groove group 4 that cooperates with the snap-fit assembly 3. The mounting back plate of the battery compartment 2 is provided with a recessed part 2-2 that cooperates with the protrusion 1-2. The recessed part 2-2 is provided with a plug-in boss 2-3 that is adapted to the recessed groove 1-4. The plug-in boss 2-3 is provided with a power slot 2-4 that cooperates with the power plug 1-5.
[0022] Specifically, the snap-fit assembly 3 includes a top snap-fit block 3-1 and a side snap-fit block 3-2. The top snap-fit block 3-1 is disposed at the top of the connecting part 2, and there are two side snap-fit blocks 3-2, which are symmetrically arranged on both sides of the connecting part 2. The snap-fit groove assembly 4 includes a top snap-fit groove 4-1 and a side snap-fit groove 4-2. The top snap-fit groove 4-1 is disposed in the mounting back plate at the upper end of the placement cavity 2-1, and there are two side snap-fit grooves 4-2, which are symmetrically arranged in the mounting back plates on both sides of the placement cavity 2-1. The top snap-fit block 3-1 cooperates with the top snap-fit groove 4-1, and the side snap-fit block 3-2 cooperates with the side snap-fit groove 4-2. The cooperation between the top locking block 3-1 and the top locking slot 4-1, and the cooperation between the side locking block 3-2 and the side locking slot 4-2, together form a multi-point locking structure. This design greatly enhances the connection stability between the mounting base 1 and the battery compartment 2. The design of the locking assembly 3 and the locking slot group 4 not only makes the installation and disassembly process between the mounting base 1 and the battery compartment 2 simpler and faster, but also helps to ensure the accurate positioning between the mounting base 1 and the battery compartment 2.
[0023] Furthermore, guide blocks 5 are symmetrically arranged on both sides of the connecting part 2, and guide grooves 6 are provided in the mounting back plates of the battery compartment 2 located on both sides of the placement cavity 2-1. The guide blocks 5 cooperate with the guide grooves 6. The tight cooperation between the guide blocks 5 and the guide grooves 6 helps to ensure a stable connection between the mounting base 1 and the battery compartment 2, reducing safety hazards caused by loosening or misalignment. The design of the guide blocks 5 and the guide grooves 6 makes it easier to align the mounting base 1 and the battery compartment 2 during assembly, thereby simplifying the installation process and improving installation efficiency.
[0024] This application provides another aspect of an electric bicycle, including a frame tube with the aforementioned battery mounting structure disposed on it. Specifically, the mounting base 1 is fixed to the frame tube via fasteners disposed within mounting holes 1-3.
[0025] The aforementioned technical solution results in a more compact battery mounting structure, significantly improving space utilization. It also eliminates the need for an internal battery casing, reducing vehicle weight and thus enhancing energy efficiency. Furthermore, it simplifies battery installation and removal. The battery structure is no longer limited by an internal casing, allowing for flexible adaptation to various battery capacities and shapes. The mounting base 1 and battery compartment 2 are secured through the engagement of the snap-fit assembly 3 and snap-fit groove group 4. This design ensures a stable connection while maintaining a compact overall battery mounting structure. The engagement of the protrusions 1-2 and recesses 2-2 not only increases installation stability but also makes the entire structure more compact, reducing space requirements. The snap-fit assembly 3 and snap-fit groove group 4 allow users to easily install the battery compartment 2 onto the mounting base 1 and also easily remove it, greatly simplifying the battery installation and replacement process.
[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A battery mounting structure, characterized in that, The device includes a mounting base and a battery compartment that cooperate with each other. The mounting base includes a connecting part and a protruding part. The side wall of the connecting part is provided with a snap-fit component. The connecting part is provided with a mounting hole for fixing the mounting base. The protruding part is provided with a recessed groove on its protruding surface. A power plug is provided in the recessed groove. The mounting back plate of the battery compartment is provided with a placement cavity adapted to the connecting part. The mounting back plate located on the outer periphery of the placement cavity is provided with a snap-fit groove group that cooperates with the snap-fit assembly. The mounting back plate of the battery compartment is provided with a recessed part that cooperates with the protrusion. The recessed part is provided with a plug-in boss adapted to the sink groove. The plug-in boss is provided with a power slot that cooperates with the power plug pin.
2. The battery mounting structure according to claim 1, characterized in that, Guide blocks are symmetrically arranged on both sides of the connecting part, and guide grooves are provided in the battery compartment mounting back plate located on both sides of the placement cavity. The guide blocks cooperate with the guide grooves.
3. The battery mounting structure according to claim 1, characterized in that, The snap-fit assembly includes a top snap-fit block and a side snap-fit block. The top snap-fit block is located at the top of the connecting part, and there are two side snap-fit blocks, which are symmetrically arranged on both sides of the connecting part. The snap-fit slot assembly includes a top snap-fit slot and a side snap-fit slot. The top snap-fit slot is located inside the mounting back plate at the upper end of the placement cavity. There are two side snap-fit slots, which are symmetrically arranged inside the mounting back plates on both sides of the placement cavity. The top locking block engages with the top locking slot, and the side locking block engages with the side locking slot.
4. The battery mounting structure according to claim 1, characterized in that, The mounting hole is an elongated hole structure, and the length direction of the mounting hole is set in the same direction as the length direction of the mounting base.
5. An electric bicycle, comprising a frame tube, characterized in that, The vehicle body is provided with a battery mounting structure as described in any one of claims 1 to 4.