Frame and scooter
By designing a cross-arranged reinforcing beam structure on the electric vehicle frame, the problem of insufficient frame stiffness and torsional resistance was solved, achieving structural reinforcement of the frame and improved assembly efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINE TECH CO LTD
- Filing Date
- 2025-05-19
- Publication Date
- 2026-06-19
AI Technical Summary
The existing electric vehicle frame has an unreasonable design of the left and right side support structure, resulting in low rigidity and poor torsional resistance.
Design a frame structure in which a first longitudinal beam and a second longitudinal beam are located on at least one side in the left-right direction, and a first reinforcing beam and a second reinforcing beam are arranged crosswise and connected to the longitudinal beams to improve the rigidity and torsional resistance of the frame.
The cross-arranged reinforcing beam structure significantly improves the overall rigidity and torsional resistance of the frame, while maintaining a compact structure and ease of assembly.
Smart Images

Figure CN224375793U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mobility scooter technology, specifically to a frame and a mobility scooter. Background Technology
[0002] The frame of an electric vehicle is its main structure, serving to support the vehicle and mount other structural components. In some related technologies, the design of the support structures on the left and right sides of the frame is unreasonable, resulting in low frame rigidity and poor torsional resistance. Utility Model Content
[0003] This utility model aims to at least partially solve one of the technical problems in the related art.
[0004] Therefore, embodiments of this utility model propose a frame with a reasonable structural design that can effectively improve the frame's rigidity and torsional resistance.
[0005] An embodiment of this utility model also proposes a mobility scooter.
[0006] The vehicle frame of this utility model includes: a frame body, wherein at least one side of the frame body in the left-right direction includes a first longitudinal beam and a second longitudinal beam, the first longitudinal beam being disposed above the second longitudinal beam; and a reinforcing member, wherein the reinforcing member includes a first reinforcing beam and a second reinforcing beam, the first reinforcing beam and the second reinforcing beam being arranged crosswise, the upper end of the first reinforcing beam and / or the second reinforcing beam being connected to the first longitudinal beam, and the lower end of the first reinforcing beam and / or the second reinforcing beam being connected to the second longitudinal beam.
[0007] According to the embodiment of the present invention, the frame is provided with a first longitudinal beam and a second longitudinal beam located on at least one side of the frame body in the left-right direction. The upper end of the first reinforcing beam and / or the second reinforcing beam is connected to the first longitudinal beam, and the lower end of the first reinforcing beam and / or the second reinforcing beam is connected to the second longitudinal beam. The first reinforcing beam and the second reinforcing beam are arranged in a cross pattern. Thus, the first reinforcing beam and the second reinforcing beam can be used to structurally reinforce at least one side of the frame body in the left-right direction, thereby improving the overall rigidity and torsional resistance of the frame.
[0008] In some embodiments, the first reinforcing beam extends downwards gradually from front to back, and the second reinforcing beam extends upwards gradually from front to back.
[0009] In some embodiments, the first reinforcing beam and the second reinforcing beam are connected at their intersection.
[0010] In some embodiments, the first reinforcing beam is provided with a first recess, and the second reinforcing beam is provided with a second recess, the first recess and the second recess cooperating.
[0011] In some embodiments, the first recessed portion engages with the second recessed portion.
[0012] In some embodiments, the first recess has a first stop edge, the second recess has a second stop edge, the first stop edge abuts against the second reinforcing beam, and the second stop edge abuts against the first reinforcing beam to restrict the rotation of the first reinforcing beam relative to the second reinforcing beam.
[0013] In some embodiments, the first recess is located at the middle position of the first reinforcing beam along the length direction of the first reinforcing beam, and the second recess is located at the middle position of the second reinforcing beam along the length direction of the second reinforcing beam.
[0014] In some embodiments, at least one of the first reinforcing beam and the second reinforcing beam has a wiring cavity extending along its length.
[0015] In some embodiments, at least one of the first reinforcing beam and the second reinforcing beam has a through hole on its side wall, one end of the through hole communicating with the wiring cavity and the other end of the through hole communicating with the outside.
[0016] In some embodiments, the frame further includes an adapter for mounting components, the adapter being connected to at least one of the first reinforcing beam and the second reinforcing beam.
[0017] In some embodiments, the adapter includes a side support limiting block, which is connected to the first longitudinal beam and the second longitudinal beam.
[0018] Another embodiment of the mobility scooter of the present invention includes the frame described in any one of the embodiments of the present invention.
[0019] According to an embodiment of the present invention, the personal mobility vehicle has a first longitudinal beam and a second longitudinal beam located on at least one side of the frame body in the left-right direction. The upper end of the first reinforcing beam and / or the second reinforcing beam is connected to the first longitudinal beam, and the lower end of the first reinforcing beam and / or the second reinforcing beam is connected to the second longitudinal beam. The first reinforcing beam and the second reinforcing beam are arranged in a cross pattern. Thus, the first reinforcing beam and the second reinforcing beam can be used to structurally reinforce at least one side of the frame body in the left-right direction, thereby improving the overall rigidity and torsional resistance of the frame. Attached Figure Description
[0020] Figure 1 This is a side view of the vehicle frame according to an embodiment of the present utility model.
[0021] Figure 2 This is a partial cross-sectional view of the vehicle frame according to an embodiment of the present invention.
[0022] Figure 3 This is an exploded view of the vehicle frame according to an embodiment of the present invention.
[0023] Figure 4 This is a perspective view of the reinforcing member of the vehicle frame according to an embodiment of the present utility model.
[0024] Figure 5 This is an exploded view of the reinforcing member of the vehicle frame according to an embodiment of the present utility model.
[0025] Figure 6 This is a schematic diagram of the installation of the frame and side support in an embodiment of this utility model.
[0026] Figure label:
[0027] 1. Chassis body; 11. First longitudinal beam; 12. Second longitudinal beam;
[0028] 2. Reinforcing member; 21. First reinforcing beam; 211. First recess; 2111. First stop edge; 22. Second reinforcing beam; 221. Second recess; 2211. Second stop edge; 23. Wiring cavity; 24. Through hole;
[0029] 3. Adapter; 31. Side support limit block;
[0030] 4. Side bracing;
[0031] 5. Wrap the patch. Detailed Implementation
[0032] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.
[0033] The following is a reference appendix. Figures 1 to 6 This invention describes a vehicle frame and a mobility scooter according to embodiments of the present invention.
[0034] like Figures 1 to 4 As shown, the frame of this utility model embodiment includes: a frame body 1 and a reinforcing member 2. The frame body 1 includes a first longitudinal beam 11 and a second longitudinal beam 12 on at least one side along its left-right direction. The first longitudinal beam 11 is disposed above the second longitudinal beam 12. The reinforcing member 2 includes a first reinforcing beam 21 and a second reinforcing beam 22. The first reinforcing beam 21 and the second reinforcing beam 22 are arranged crosswise. The upper end of the first reinforcing beam 21 and / or the second reinforcing beam 22 is connected to the first longitudinal beam 11, and the lower end of the first reinforcing beam 21 and / or the second reinforcing beam 22 is connected to the second longitudinal beam 12.
[0035] It should be noted that the front-back, left-right, up-down and right-up directions of the frame body 1 are consistent with the front-back, left-right, up-down and right-up directions of the mobility scooter.
[0036] According to the embodiment of the present invention, the frame is provided with the first longitudinal beam 11 and the second longitudinal beam 12 located on at least one side of the frame body 1 in the left-right direction. The upper ends of the first reinforcing beam 21 and / or the second reinforcing beam 22 are connected to the first longitudinal beam 11, and the lower ends of the first reinforcing beam 21 and / or the second reinforcing beam 22 are connected to the second longitudinal beam 12. The first reinforcing beam 21 and the second reinforcing beam 22 are arranged in a cross pattern. Thus, the first reinforcing beam 21 and the second reinforcing beam 22 can be used to structurally reinforce at least one side of the frame body 1 in the left-right direction, thereby improving the overall rigidity and torsional resistance of the frame.
[0037] It is understandable that the cross arrangement of the first reinforcing beam 21 and the second reinforcing beam 22, compared with the scheme of "arranging a single reinforcing beam or arranging the first reinforcing beam 21 and the second reinforcing beam 22 at intervals along the front and rear directions", can improve the support and reinforcement effect of the reinforcing member 2 on the first longitudinal beam 11 and the second longitudinal beam 12. Moreover, the structural design is reasonable and does not require the addition of extra reinforcing structures, which is conducive to improving the torsional stiffness and longitudinal stiffness of the frame.
[0038] like Figure 1 and Figure 2 As shown, the upper ends of the first reinforcing beam 21 and the second reinforcing beam 22 are both connected to the first longitudinal beam 11, and the lower ends of the first reinforcing beam 21 and the second reinforcing beam 22 are both connected to the second longitudinal beam 12.
[0039] For example, the first longitudinal beam 11 and the second longitudinal beam 12 are arranged separately on the left side of the frame body 1. Alternatively, the first longitudinal beam 11 and the second longitudinal beam 12 are arranged separately on the right side of the frame body 1.
[0040] For example, a first longitudinal beam 11 and a second longitudinal beam 12 are arranged on both the left and right sides of the frame body 1. There can be two reinforcing members 2, and the two reinforcing members 2 are respectively arranged on the left and right sides of the frame body 1 to simultaneously strengthen the structure of the left and right sides of the frame body 1.
[0041] Optionally, such as Figure 1 and Figure 2 As shown, the first reinforcing beam 21 extends downwards gradually from front to back, while the second reinforcing beam 22 extends upwards gradually from front to back. It can be understood that the intersection structure of the first reinforcing beam 21 and the second reinforcing beam 22 is roughly "X" shaped, which makes the overall stress distribution of the frame reasonable and can further improve the overall rigidity and torsional resistance of the frame.
[0042] In other examples, both the first reinforcing beam 21 and the second reinforcing beam 22 extend downwards in a direction from front to back, and the inclination angles of the first reinforcing beam 21 and the second reinforcing beam 22 are different.
[0043] Alternatively, both the first reinforcing beam 21 and the second reinforcing beam 22 extend upwards gradually from front to back, and the inclination angles of the first reinforcing beam 21 and the second reinforcing beam 22 are different.
[0044] Optionally, such as Figures 2 to 4 As shown, the first reinforcing beam 21 and the second reinforcing beam 22 are connected at their intersection. Because the first reinforcing beam 21 and the second reinforcing beam 22 are connected at their intersection, the structure of the first reinforcing beam 21 and the second reinforcing beam 22 is more stable and has a better supporting effect.
[0045] Optionally, such as Figure 4 and Figure 5 As shown, the first reinforcing beam 21 has a first recess 211, and the second reinforcing beam 22 has a second recess 221, which mate with each other. Because the first recess 211 and the second recess 221 mate, the overall size of the reinforcing member 2 in the left-right direction can be reduced, making the frame more compact. It can be understood that the first recess 211 can provide space for the second reinforcing beam 22, and the second recess 221 can provide space for the first reinforcing beam 21, thereby minimizing the space occupied by the first and second reinforcing beams in the left-right direction.
[0046] For example, the first recess 211 and the second recess 221 are engaged, which facilitates the assembly of the first reinforcing beam 21 and the second reinforcing beam 22 and helps to improve assembly efficiency.
[0047] like Figure 4 and Figure 5 As shown, the first recess 211 and the second recess 221 are aligned and engaged (interlocked), which makes the connection position of the first reinforcing beam 21 and the second reinforcing beam 22 more stable and facilitates the subsequent positioning and welding of the first reinforcing beam 21 and the second reinforcing beam 22 to the frame body 1.
[0048] Optionally, such as Figure 5 As shown, the first recess has a first stop edge 2111, and the second recess has a second stop edge 2211. The first stop edge 2111 abuts against the second reinforcing beam 22, and the second stop edge 2211 abuts against the first reinforcing beam 21, thereby restricting the rotation of the first reinforcing beam 21 relative to the second reinforcing beam 22. It can be understood that under the stopping action of the first stop edge 2111 and the second stop edge 2211, the first reinforcing beam 21 and the second reinforcing beam 22 will not rotate relative to each other, thus facilitating the subsequent positioning and welding of the first reinforcing beam 21 and the second reinforcing beam 22 to the frame body 1.
[0049] like Figure 4 and Figure 5As shown, the first reinforcing beam 21 has a notch on the side facing the second reinforcing beam 22 to form a first recess 211. The second reinforcing beam 22 has a notch on the side facing the first reinforcing beam 21 to form a second recess 221.
[0050] The first recess 211 is located at the middle position of the first reinforcing beam 21 along the length direction of the first reinforcing beam 21, and the second recess 221 is located at the middle position of the second reinforcing beam 22 along the length direction of the second reinforcing beam 22. This makes the first reinforcing beam 21 and the second reinforcing beam 22 more evenly stressed and provides better support.
[0051] In other examples, the first reinforcing beam 21 includes two beam segments (not shown) that extend in the same direction and are respectively arranged on both sides of the second reinforcing beam 22. Both beam segments are welded to the second reinforcing beam, which facilitates the processing and manufacturing of the reinforcing member 2.
[0052] In some embodiments, such as Figure 2 and Figure 4 As shown, at least one of the first reinforcing beam 21 and the second reinforcing beam 22 has a wiring cavity 23 extending along its length. It is understood that the wiring cavity 23 is used to run control harnesses or oil pipes, thereby concealing the control harnesses or oil pipes. In other words, the first reinforcing beam 21 and the second reinforcing beam 22, while providing support for the frame body 1, can also be used as conduits for wiring; that is, the first reinforcing beam 21 and the second reinforcing beam 22 also serve to house cables.
[0053] In the examples of this utility model, such as Figure 2 and Figure 4 As shown, both the first reinforcing beam 21 and the second reinforcing beam 22 are provided with wiring cavities 23. That is to say, both the first reinforcing beam 21 and the second reinforcing beam 22 are hollow tubular structures.
[0054] For example, the first reinforcing beam 21 and the second reinforcing beam 22 can be either square tubes or round tubes, and this utility model does not limit them.
[0055] like Figure 2 As shown, the first longitudinal beam 11 and the second longitudinal beam 12 are hollow tubular structures, and the cavities of the first longitudinal beam 11 and the second longitudinal beam 12 are connected to the first reinforcing beam 21 and the second reinforcing beam 22.
[0056] Optionally, such as Figure 1 , Figure 4 and Figure 5 As shown, at least one of the first reinforcing beam 21 and the second reinforcing beam 22 has a through hole 24 on its side wall. One end of the through hole 24 communicates with the wiring cavity 23, and the other end of the through hole 24 communicates with the outside. The through hole 24 can be used to install pipelines or as a fixing hole for pipelines.
[0057] For example, both the first reinforcing beam 21 and the second reinforcing beam 22 are provided with through holes 24.
[0058] In some embodiments, such as Figure 6 As shown, the frame also includes an adapter 3 for mounting components, which is connected to at least one of the first reinforcing beam 21 and the second reinforcing beam 22. It is understood that the adapter 3 can be mounted to the first reinforcing beam 21 and / or the second reinforcing beam 22 to improve the structural strength after the adapter 3 is installed, without occupying space on the frame body 1, thus facilitating the arrangement of surrounding components.
[0059] Optionally, such as Figure 6 As shown, the adapter 3 includes a side support limiting block 31, which is connected to the first longitudinal beam 11 and the second longitudinal beam 12. It can be understood that the side support limiting block 31 is used to limit the movement of the side support 4. Since the side support limiting block 31 is connected to the first longitudinal beam 11 and the second longitudinal beam 12, compared to the solution of "the side support limiting block 31 being connected to the frame body 1," the redundancy of the component arrangement on the frame body 1 can be reduced. Furthermore, the first longitudinal beam 11 and the second longitudinal beam 12 can provide installation space for the side support limiting block 31, making the overall component arrangement of the frame more reasonable, and the structure after the side support limiting block 31 is installed is more stable.
[0060] like Figure 1 and Figure 6 As shown, the frame also includes a cladding plate 5, which covers the outer wall of the first longitudinal beam 11. The upper end of the second reinforcing beam 22 is connected to the first longitudinal beam 11 via the cladding plate 5, thereby improving the connection strength between the second reinforcing beam 22 and the first longitudinal beam 11 and ensuring uniform stress distribution at the connection point. The side brace limiting block 31 can be connected to the cladding plate 5 to improve the stability of the side brace limiting block 31 after installation.
[0061] In other examples, adapter 3 includes a pedal mount (not shown) for mounting pedals, which is connected to the first longitudinal beam 11 and the second longitudinal beam 12.
[0062] Another embodiment of the present invention includes a mobility scooter with the frame of the present invention. For example, the mobility scooter is an electric bicycle or an electric motorcycle.
[0063] According to the embodiments of the present invention, the personal mobility vehicle has a first longitudinal beam 11 and a second longitudinal beam 12 located on at least one side of the frame body 1 in the left-right direction. The upper ends of the first reinforcing beam 21 and / or the second reinforcing beam 22 are connected to the first longitudinal beam 11, and the lower ends of the first reinforcing beam 21 and / or the second reinforcing beam 22 are connected to the second longitudinal beam 12. The first reinforcing beam 21 and the second reinforcing beam 22 are arranged in a cross pattern. Thus, the first reinforcing beam 21 and the second reinforcing beam 22 can be used to structurally reinforce at least one side of the frame body 1 in the left-right direction, thereby improving the overall rigidity and torsional resistance of the frame.
[0064] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0065] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0066] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0067] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0068] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0069] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.
Claims
1. A vehicle frame, characterized in that, include: The frame body (1) includes a first longitudinal beam (11) and a second longitudinal beam (12) on at least one side along its left and right directions, with the first longitudinal beam (11) located above the second longitudinal beam (12). The reinforcing member (2) includes a first reinforcing beam (21) and a second reinforcing beam (22), the first reinforcing beam (21) and the second reinforcing beam (22) are arranged crosswise, the upper end of the first reinforcing beam (21) and / or the second reinforcing beam (22) is connected to the first longitudinal beam (11), and the lower end of the first reinforcing beam (21) and / or the second reinforcing beam (22) is connected to the second longitudinal beam (12).
2. The frame according to claim 1, characterized in that, The first reinforcing beam (21) extends downward gradually from front to back, and the second reinforcing beam (22) extends upward gradually from front to back. And / or, the first reinforcing beam (21) and the second reinforcing beam (22) are connected at their intersection.
3. The frame according to claim 1, characterized in that, The first reinforcing beam (21) is provided with a first recess (211), and the second reinforcing beam (22) is provided with a second recess (221), and the first recess (211) and the second recess (221) cooperate with each other.
4. The frame according to claim 3, characterized in that, The first recess (211) and the second recess (221) are engaged; And / or, the first recess (211) is located at the middle position of the first reinforcing beam (21) along the length direction of the first reinforcing beam (21), and the second recess (221) is located at the middle position of the second reinforcing beam (22) along the length direction of the second reinforcing beam (22).
5. The frame according to claim 3, characterized in that, The first recess has a first stop edge (2111), and the second recess has a second stop edge (2211). The first stop edge (2111) abuts against the second reinforcing beam (22), and the second stop edge (2211) abuts against the first reinforcing beam (21) to restrict the first reinforcing beam (21) from rotating relative to the second reinforcing beam (22).
6. The frame according to claim 1, characterized in that, At least one of the first reinforcing beam (21) and the second reinforcing beam (22) is provided with a wiring cavity (23) extending along its length.
7. The frame according to claim 6, characterized in that, At least one of the first reinforcing beam (21) and the second reinforcing beam (22) has a through hole (24) on its side wall. One end of the through hole (24) is connected to the wiring cavity (23), and the other end of the through hole (24) is connected to the outside.
8. The frame according to any one of claims 1-6, characterized in that, The frame also includes an adapter (3) for mounting components, the adapter (3) being connected to at least one of the first reinforcing beam (21) and the second reinforcing beam (22).
9. The frame according to claim 8, characterized in that, The adapter (3) includes a side support limiting block (31), which is connected to the first longitudinal beam (11) and the second longitudinal beam (12).
10. A mobility scooter, characterized in that, The frame includes any one of claims 1-9.