Motorcycle motor side plate connecting structure

Abstract

The utility model discloses a kind of electric motorcycle motor side plate connecting structure, it is related to electric motorcycle relevant technical field, including frame, motor cavity for installing motor is equipped in frame, outer cover is equipped with in the circumferential side of motor cavity of frame, outer cover is equipped with the access hole that penetrates along the axial direction of motor, baffle is connected at the access hole of outer cover, baffle is detachably connected with outer cover, baffle is equipped with at least one flange, baffle is connected with outer cover at flange;The utility model is by setting detachable baffle on outer cover, and using the multiple fixing mode of combination of clamping and bolt connection, realize the exposed type maintenance of motor axial end, without removing entire outer cover or frame, substantially shorten maintenance time;Detachable baffle design avoids disposable damage type dismounting, improves reusability and assembly life;Access hole is set along axial direction, adapts motor end cover wiring / sensor interface layout, avoid interference.

Description

Technical Field

[0001] This utility model relates to the technical field of electric motorcycles, and in particular to a side plate connection structure for an electric motorcycle motor. Background Technology

[0002] The drive motor of an electric motorcycle is typically embedded in the "motor cavity" within the rear swingarm or middle crossbeam of the frame, and is covered by an integrated semi-enclosed or fully enclosed casing. This casing serves two purposes: waterproofing, dustproofing, and protection against stone impacts, and also constitutes part of the overall vehicle's appearance. With the increase in motor power density and the widespread use of hub motors and side-mounted motors in medium- and high-speed electric motorcycles, the demand for after-sales services such as rapid motor maintenance, Hall effect sensor replacement, and inspection of oil seals / bearings has increased significantly.

[0003] In existing equipment, the outer cover is hinged to the frame, requiring the entire cover to be lifted for maintenance, which occupies a large space and is difficult to operate in narrow roads or repair shops; the hinge is prone to corrosion, and the cover does not return to its original position after long-term use; a ring of through holes is machined on the outer cover corresponding to the axial end face of the motor, and it is locked to the frame bracket with 8 to 12 bolts. Each maintenance requires the complete removal / reinstallation of all bolts, which takes 15-20 minutes; after repeated disassembly and reassembly, the threads of the aluminum alloy bracket become stripped, requiring the insertion of wire thread inserts or replacement of the bracket, resulting in high maintenance costs; some models use plastic clips or metal springs to achieve tool-free opening, but the clips are mostly arranged at a single point or symmetrically at two points, which are prone to partial detachment and gaps after road surface excitation, allowing mud and water to enter the motor cavity; and if the clip breaks, the entire outer cover must be replaced, resulting in poor reusability. Utility Model Content

[0004] Purpose of the invention: The purpose of this utility model is to provide a side plate connection structure for electric motorcycle motors, which solves the problem of inconvenient installation and disassembly of existing motor covers.

[0005] Technical solution:

[0006] An electric motorcycle motor side plate connection structure includes a frame, a motor cavity for mounting a motor is provided inside the frame, an outer cover is provided around the motor cavity on the frame, an inspection port is provided through the outer cover along the axial direction of the motor, a baffle is connected to the inspection port on the outer cover, the baffle is detachably connected to the outer cover, the baffle has at least one protruding edge, and the baffle is connected to the outer cover at the protruding edge.

[0007] Preferably, one side of the baffle is provided with a baffle strip, and the other side of the baffle is provided with a snap-fit ​​part for connecting the outer cover.

[0008] In this embodiment, the single-sided baffle provides a pre-positioning function. During installation, the baffle can be hung on the edge of the outer cover, and the initial fixation can be completed with one hand, improving assembly efficiency. The snap-fit ​​part and the baffle form a double-sided mechanical balance, preventing the baffle from deflecting or loosening during vibration, thus improving connection stability.

[0009] Preferably, the snap-fit ​​portion includes an insert strip and a stepped strip, the insert strip and the stepped strip being connected to the periphery of the stop strip.

[0010] Preferably, the baffle, the embedded strip, and the stepped strip surround the periphery of the baffle.

[0011] In this implementation, the closed-loop force is uniform, avoiding local stress concentration that could cause the baffle to warp or crack; a continuous sealing strip is formed, improving dustproof and waterproof performance; the surrounding structure enhances the rigidity of the baffle body, reducing material thickness requirements and achieving lightweighting.

[0012] Preferably, at least two pairs of the embedded strip and the stepped strip are provided, and the embedded strip and the stepped strip are spaced apart.

[0013] Preferably, the outer cover is provided with a connecting strip on its periphery that cooperates with the embedded strip. When the outer cover and the baffle are connected, the embedded strip and the stepped strip are located on both sides of the connecting strip.

[0014] In this implementation, the double-sided clamping forms a "sandwich" structure, which can withstand a pull-out force of ≥50N without bolts; the connecting strip does not require additional drilling or welding of nuts, simplifying the outer cover manufacturing process and reducing production costs; the clamping force direction is perpendicular to the baffle plane, effectively resisting longitudinal impacts during vehicle movement.

[0015] Preferably, the baffle has a limiting strip inside the embedded strip, and when the outer cover and the baffle are connected, the limiting strip and the connecting strip abut against each other.

[0016] Preferably, the baffle is provided with a threaded hole, and the frame is provided with a connecting bracket that mates with the threaded hole, and the baffle and the connecting bracket are bolted together.

[0017] Beneficial effects: By installing a removable baffle on the outer cover and using multiple fixing methods combining snap-fit ​​and bolt connections, the axial end of the motor can be exposed for maintenance without removing the entire outer cover or frame, significantly shortening maintenance time. The removable baffle design avoids one-time destructive disassembly and assembly, improving reusability and assembly life. The inspection port is set along the axial direction, adapting to the wiring / sensor interface layout of the motor end cover, avoiding interference, and significantly improving the convenience of electric motorcycle motor maintenance, assembly efficiency, and structural reliability. Overall, it takes into account sealing, vibration resistance, and maintainability, making it suitable for high-frequency maintenance scenarios and possessing strong practical and promotional value. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the vehicle frame of this utility model;

[0020] Figure 3 This is a schematic diagram of the outer cover structure of this utility model.

[0021] Reference numerals: 1. Frame; 11. Motor cavity; 12. Connecting frame; 3. Outer cover; 31. Inspection port; 32. Connecting strip; 4. Baffle; 41. Stop bar; 42. Snap-fit ​​part; 421. Embedded strip; 422. Stepped strip; 43. Limiting strip; 44. Threaded hole. Detailed Implementation

[0022] To make the technical solution of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Example 1

[0024] like Figure 1-3 As shown, this embodiment provides a side plate connection structure for an electric motorcycle motor, including a frame 1. The frame 1 is the main support structure of the electric motorcycle, which is usually formed by welding or die casting of metal tubing and has high structural strength and rigidity.

[0025] The frame 1 has a motor cavity 11 inside for accommodating the motor. The shape of the motor cavity 11 is adapted to the shape of the motor and is usually cylindrical or near-cylindrical. It is used to position and fix the motor. The motor is fixed in the motor cavity 11 by bearing seats or mounting brackets. The motor is horizontally placed in the motor cavity 11.

[0026] Around the motor cavity 11, the frame 1 is provided with an outer cover 3. The outer cover 3 is a semi-enclosed structure that covers the outside of the motor cavity 11 to protect the motor from external dust, moisture, etc., while also providing a certain degree of protection and aesthetics. The outer cover 3 can be made of metal sheet by stamping or high-strength plastic by injection molding, and its surface can be treated with rust prevention or spray coating.

[0027] The outer casing 3 has a through-port 31 along the axial direction of the motor. The size of the through-port 31 is slightly larger than the end of the motor to facilitate maintenance, repair or replacement of the motor. The edges of the through-port 31 are provided with reinforcing ribs or flanges to enhance structural strength.

[0028] At the inspection port 31, the outer cover 3 is connected to a baffle 4. The baffle 4 is a plate-shaped structure that matches the shape of the outer cover 3. It is used to close the inspection port 31 and prevent foreign objects from entering the motor cavity 11. The baffle 4 and the outer cover 3 are detachably connected for easy disassembly and assembly.

[0029] A baffle 41 is provided on one side of the baffle 4. The baffle 41 is a flange structure extending along the edge of the baffle 4. The frame 1 is a frame structure, and the outer cover 3 cannot fully cover the frame 1. The baffle 41 is used to cover the edge, and the outer cover 3 prevents the baffle 4 from shifting during assembly. The baffle 41 can be integrally formed with the baffle 4, or it can be fixed by welding or riveting.

[0030] The other side of the baffle 4 is provided with a snap-fit ​​part 42, which is used to realize a quick snap-fit ​​connection with the outer cover 3. The snap-fit ​​part 42 includes an insert strip 421 and a stepped strip 422. The insert strip 421 is a metal or plastic strip with a certain elasticity, and its end is provided with a barb or bevel structure, which can be inserted into the inner side of the connecting strip 32 of the outer cover 3. The stepped strip 422 is a stepped boss, which is used to form a limiting fit with the outer edge of the outer cover 3.

[0031] The baffle 4 has at least one protruding edge, which is an irregularly shaped structure. The baffle 4 is connected to the outer cover 3 at the protruding edge, and the connection strength between the baffle 4 and the outer cover can be improved by the protruding edge.

[0032] The baffle 41, the embedded strip 421, and the stepped strip 422 are arranged around the periphery of the baffle 4 to form a closed limiting structure, ensuring that the baffle 4 can form a stable connection with the outer cover 3 in multiple directions.

[0033] Furthermore, at least two pairs of embedded strips 421 and stepped strips 422 are provided and are spaced apart along the circumference of the baffle 4. For example, three or four pairs can be provided to improve the uniformity and reliability of the connection.

[0034] The outer cover 3 has a connecting strip 32 on its periphery that mates with the embedded strip 421. The connecting strip 32 is a flange structure extending inward or outward from the edge of the outer cover 3. The connecting strip 32 and the outer surface of the outer cover 3 are stepped and staggered, and the connecting strip 32 has a certain thickness and rigidity. When the outer cover 3 is connected to the baffle 4, the end faces of the embedded strip 421 and the connecting strip 32 abut against each other, and the stepped strip 422 is embedded into the inner side of the outer cover 3, thereby forming a double-sided clamping structure to achieve snap-fit ​​fixation.

[0035] Furthermore, the baffle 4 is provided with a limiting strip 43 on the inner side of the embedded strip 421. The limiting strip 43 is a raised rib or boss structure. When the baffle 4 is connected to the outer cover 3, the limiting strip 43 abuts against the inner surface of the connecting strip 32 to form a secondary limiting, preventing the baffle 4 from loosening or displacing under vibration or impact.

[0036] In addition, to achieve a more secure connection, the baffle 4 is provided with a threaded hole 44. Correspondingly, the frame 1 or the outer cover 3 is provided with a connecting bracket 12. The connecting bracket 12 is a metal bracket or boss with a through hole. The bolts pass through the threaded hole 44 and are fastened to the connecting bracket 12, thereby realizing the bolt fixation of the baffle 4 and further improving the connection strength and safety.

[0037] In this embodiment, the assembly and disassembly process of the baffle 4 is as follows: First, insert the embedded strip 421 on the baffle 4 into the inner side of the connecting strip 32, while the stepped strip 422 engages with the outer side of the connecting strip 32, and the limiting strip 43 abuts against the inner side of the connecting strip 32, completing the initial engagement and positioning; then, fasten the baffle 4 to the connecting frame 12 with bolts to complete the final fixation. For disassembly, first remove the bolts, then pull the baffle 4 outwards to disengage the embedded strip 421 from the connecting strip 32, thus achieving quick disassembly.

[0038] In summary, the electric motorcycle motor side plate connection structure provided in this embodiment achieves a detachable connection between the baffle 4 and the outer cover 3 through a combination of snap-fit ​​and bolt connection. It has the advantages of simple structure, convenient disassembly and assembly, reliable connection and convenient maintenance, and is suitable for the side plate encapsulation structure of the motor compartment of electric motorcycles.

[0039] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

Claims

1. A connection structure of an electric motorcycle motor side plate, comprising a frame, characterized in that, The frame has a motor cavity for mounting a motor. The frame has an outer cover around the motor cavity. The outer cover has a through inspection port along the axial direction of the motor. A baffle is connected to the inspection port of the outer cover. The baffle is detachably connected to the outer cover.

2. The electric motorcycle motor side plate connecting structure according to claim 1, characterized in that, One side of the baffle is provided with a baffle strip, and the other side of the baffle is provided with a snap-fit ​​part for connecting the outer cover.

3. The electric motorcycle motor side plate connecting structure according to claim 2, characterized in that, The snap-fit ​​portion includes an insert strip and a stepped strip, which are connected to the periphery of the stop strip.

4. The electric motorcycle motor side plate connection structure according to claim 3, characterized in that, The baffle, the embedded strip, and the stepped strip surround the periphery of the baffle.

5. The electric motorcycle motor side plate connection structure according to claim 3, characterized in that, The embedded strip and the stepped strip are provided in at least two pairs, and the embedded strip and the stepped strip are arranged at intervals.

6. The electric motorcycle motor side plate connection structure according to claim 3, characterized in that, The outer cover has a connecting strip around its periphery that mates with the embedded strip. When the outer cover and the baffle are connected, the embedded strip and the stepped strip are located on opposite sides of the connecting strip.

7. The electric motorcycle motor side plate connection structure according to claim 6, characterized in that, The baffle has a limiting strip inside the embedded strip. When the outer cover and the baffle are connected, the limiting strip and the connecting strip abut against each other.

8. The electric motorcycle motor side plate connection structure according to claim 1, characterized in that, The baffle is provided with a threaded hole, and the frame is provided with a connecting bracket that mates with the threaded hole. The baffle and the connecting bracket are bolted together.

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