Two-wheeled vehicle

Abstract

The invention provides a two-wheeled vehicle which comprises a vehicle frame, a vehicle body covering part and a cushion assembly, and the cushion assembly is located above a main covering part and connected with the main covering part; a first reference face S1 parallel to the height direction of the two-wheeled vehicle is defined, in the first reference face S1, the cushion assembly is provided with a connecting point P connected with the main covering part, a first straight line K1, a second straight line K2 and a third straight line K3 which are located on the first reference face are defined, and the first straight line K1 and the second straight line K2 are located at the foremost end and the rearmost end of the cushion assembly respectively. The third straight line K3 passes through the connection point P; the distance between the second straight line K2 and the third straight line K3 is L1, the distance between the first straight line K1 and the second straight line K2 is L2, and the ratio of L1 to L2 is larger than or equal to 0 and smaller than or equal to 0.5. According to the two-wheeled vehicle, the problems that in the prior art, a cushion structure of a two-wheeled vehicle is limited, the manufacturing cost is increased, and comfort is affected can be solved.

Description

Two-wheeled vehicle Technical Field

[0001] This invention relates to the field of transportation technology, and more specifically to a two-wheeled vehicle. Background Technology

[0002] In existing two-wheeled vehicle designs, the seat is typically mounted on the frame, with its bottom fitting into the body panel located at the top of the frame to form the overall shape of the vehicle. Currently, most designs employ a structure where the bottom of the seat and the body panel have no pre-existing gap in the vertical direction. The bottom of the seat is completely supported by the body panel to increase the stability of the seat installation. This structural design severely limits the size and shape of the seat, leading to higher requirements for mold precision and a significant increase in manufacturing costs. Furthermore, this assembly structure of the seat and body panel in existing technologies causes all road impact and vibration energy to be transmitted to the seat, affecting the comfort of the rider.

[0003] Therefore, the existing two-wheeled vehicle seat structure has structural limitations, which leads to increased manufacturing costs and affects comfort. Summary of the Invention

[0004] In view of this, the object of the present invention is to provide a two-wheeled vehicle.

[0005] To achieve the above objectives, the technical solution provided by the present invention is as follows:

[0006] One aspect of this application provides a two-wheeled vehicle, including a frame and a body panel, the body panel being mounted on the frame and having a main panel located on the top side of the frame; a seat assembly located on and supported by the frame, the seat assembly being located above and connected to the main panel; a first reference plane S1 is defined parallel to the height direction of the two-wheeled vehicle, and the seat assembly is symmetrically arranged along the first reference plane S1, the seat assembly having a connection point P connected to the main panel within the first reference plane S1; a first straight line K1 and a second straight line K2 are also defined on the first reference plane, the first straight line K1 and the second straight line K2 being located at the foremost and rearmost ends of the seat assembly, respectively; a third straight line K3 is also defined on the first reference plane and passing through the connection point P; the distance between the second straight line K2 and the third straight line K3 is L1, the distance between the first straight line K1 and the second straight line K2 is L2, and the ratio of L1 to L2 is greater than or equal to 0 and less than or equal to 0.5. This application constrains the positional range of the connection point P between the seat cushion assembly and the main body panel along the length of the seat cushion assembly. This ensures that the connection point P is neither too close to the front end of the seat cushion assembly, causing structural instability, nor too far to the rear end, leading to interference with the main body panel or stress concentration during assembly. Instead, it is rationally limited to a specific proportional area of ​​the overall length of the seat cushion assembly. As a result, the seat cushion assembly can achieve precise alignment with the main body panel during assembly, avoiding problems such as assembly interference, uneven gaps, or uneven stress caused by positional deviations. This significantly improves the structural compatibility and installation consistency between the seat cushion assembly and the body panel.

[0007] In some embodiments, the area between the second straight line K2 and the third straight line K3 is defined as a gap region Q. Within the gap region Q, the seat cushion assembly is located above and spaced apart from the main cover. The rear end region of the seat cushion assembly in this application forms a physical isolation between itself and the main cover, effectively avoiding installation interference problems caused by structural fitting or overlap. This ensures that the seat cushion assembly can be accurately positioned during assembly without forced adjustment. Simultaneously, it enhances the spatial freedom between the seat cushion assembly and the main cover, allowing them to maintain independent motion characteristics under vibration, thermal expansion, or load deformation, thereby enhancing the reliability of the overall vehicle structure and ride comfort.

[0008] In some embodiments, the distance between the seat cushion assembly and the main cover within the neutral area Q is defined as the suspension height H, which gradually increases from the front of the two-wheeled vehicle to the rear. This progressive suspension design of this application allows the seat cushion assembly's movement margin within the neutral area Q to gradually increase as its position moves rearward. This effectively alleviates assembly interference problems that may be caused by limited space behind the seat cushion assembly. Furthermore, it not only ensures the structural safety of the vehicle during bumps or load changes but also optimizes aerodynamic characteristics and assembly tolerance adaptability, enabling the seat cushion assembly and the main cover to maintain a stable, non-contact state under all operating conditions, thereby achieving a dual improvement in functionality and aesthetics.

[0009] In some embodiments, the vehicle body panel further includes a seat bucket located inside the main body panel, and the frame further includes a seat support frame. The seat cushion assembly is connected to the seat bucket and the seat support frame, respectively. When bearing loads, the seat cushion assembly of this application not only achieves support and positioning through the seat support frame, but also relies on the seat bucket to provide bottom support and disperse local stress. At the same time, the seat support frame and the seat bucket directly support the seat cushion assembly, forming a multi-point collaborative support structure, which improves the stability of the seat cushion assembly support.

[0010] In some embodiments, the frame further includes an auxiliary mounting bracket located within the neutral area Q, with its foremost end fixedly connected to the seat support frame. The seat assembly is located above and abuts against the auxiliary mounting bracket. The auxiliary mounting bracket of this application, through its rigid connection with the seat support frame, achieves reliable force transmission and a unified positioning reference, effectively suppressing displacement, deformation, or vibration of the seat assembly within the neutral area Q, and significantly improving overall installation accuracy and structural rigidity.

[0011] In some embodiments, the auxiliary mounting bracket includes a mounting portion and a support portion. The mounting portion extends substantially along the upper surface of the seat cushion support frame and is fixedly connected to the seat cushion support frame; the support portion extends substantially along the bottom of the seat cushion assembly. The mounting portion of this application improves the structural strength of the auxiliary mounting bracket. The fact that the support portion extends substantially along the bottom of the seat cushion assembly ensures that the support direction of the support portion on the seat cushion assembly is fully coordinated with the force direction of the bottom of the seat cushion assembly, enabling uniform and reliable contact between the seat cushion assembly and the contact surface of the auxiliary mounting bracket. The structural arrangement of the mounting portion and the support portion improves the installation stability of the seat cushion assembly.

[0012] In some embodiments, the auxiliary mounting bracket further includes a bent portion located between the support portion and the mounting portion, with the support portion, bent portion, and mounting portion connected sequentially. The bent portion of this application creates a continuous spatial transition between the mounting portion and the support portion, effectively transferring the load from the seat cushion assembly and distributing it evenly across the seat cushion support frame. This significantly improves the structural rigidity and deformation resistance of the auxiliary mounting bracket within the gap area Q, avoiding localized stress concentration and support failure caused by the independent installation of the mounting portion and the support portion.

[0013] In some embodiments, the seat bucket includes a bucket body for accommodating objects, a seat cushion support frame connected to the bucket body, a seat cushion assembly hinged to the bucket body, and the seat cushion assembly and the seat cushion support frame abutting against each other. The seat cushion assembly of this application is hinged to the seat bucket and abuts against the seat cushion support frame, allowing the seat cushion assembly to receive precise positioning support from the seat cushion support frame. Simultaneously, the hinged arrangement facilitates easy position switching of the seat cushion assembly, thereby improving usage efficiency.

[0014] In some embodiments, a locking element is further provided below the seat support frame, and a locking tongue that cooperates with the locking element is formed below the seat assembly. When a fixed connection is formed between the seat assembly and the seat support frame, the locking tongue at least partially passes through the seat support frame and is fixedly connected to the locking element. When the seat assembly of this application is in the closed position, the locking tongue and the locking element achieve mechanical locking, ensuring that the seat assembly will not shift or loosen during driving, achieving a stable and reliable lock. When disassembly is required, it is only necessary to release the connection between the locking tongue and the locking element, and the seat assembly can be easily opened upward around the bucket body connection part. Disassembly and assembly can be completed without tools, which not only ensures the integrity of the structure, but also significantly improves the user's convenience and maintenance efficiency.

[0015] In some embodiments, the seat support frame has a through hole, the seat assembly abuts against the top surface of the seat support frame, and a locking member is installed on the bottom surface of the seat support frame. The locking tongue passes through the through hole and engages with the locking member. This application provides a through hole for the locking tongue to pass through and engage with the locking member. The through hole effectively limits the path of the locking tongue, ensuring precise alignment of the locking tongue and the locking member, thus improving the accuracy and stability of the assembly of the locking tongue and the locking member.

[0016] The present invention has the following beneficial effects:

[0017] This application for a two-wheeled vehicle places the seat cushion assembly above the main cover on the top side of the frame and directly connects it to the main cover. The seat cushion assembly is symmetrically arranged along a first reference plane S1 parallel to the vehicle's height. Within the first reference plane S1, a first straight line K1 and a second straight line K2 are defined corresponding to the foremost and rearmost ends of the seat cushion assembly, respectively. Using the third straight line K3 where the connection point P is located as a reference, a proportional relationship is established between L1 (the distance between the second straight line K2 and the third straight line K3) and L2 (the distance between the first straight line K1 and the second straight line K2). The ratio of L1 to L2 is controlled within the range of 0 to 0.5, thus precisely constraining the positional range of the connection point P between the seat cushion assembly and the main cover along the length of the seat cushion assembly. This design ensures that the connection point P is neither too close to the front end of the seat cushion assembly, causing structural instability, nor too far to the rear end, causing interference with the main cover or stress concentration during assembly. Instead, it is rationally confined within a specific proportional range of the overall length of the seat cushion assembly. As a result, the seat cushion assembly can be precisely aligned with the main body panel during assembly, avoiding problems such as assembly interference, uneven gaps, or uneven stress caused by positional deviations. This significantly improves the structural synergy and installation consistency between the seat cushion assembly and the body panel, and solves the technical problems of installation interference and inaccurate positioning between the seat cushion assembly and the body panel caused by the lack of geometric constraints in traditional designs. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 is a three-dimensional structural diagram of the two-wheeled vehicle provided in this application;

[0020] Figure 2 is a schematic diagram of the installation structure of the seat cushion assembly provided in this application;

[0021] Figure 3 is a top view of the seat cushion assembly provided in this application;

[0022] Figure 4 is a cross-sectional view along line AA of Figure 3;

[0023] Figure 5 is a side view of the mating structure of the seat cushion assembly and seat bucket provided in this application;

[0024] Figure 6 is a top view of the mating structure of the seat cushion assembly and seat bucket provided in this application;

[0025] Figure 7 is a sectional view along the BB direction of Figure 6;

[0026] Figure 8 is an enlarged view of point C in Figure 7. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] In the description of the embodiments of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used to facilitate the description of the present invention and to simplify 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. Therefore, they should not be construed as limitations on the present invention.

[0031] In the description of the embodiments of the present invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention based on the specific circumstances.

[0032] In the description of the embodiments of the present invention, it should also be noted that the terms "first", "second", etc. used herein do not specifically refer to any order or sequence, nor are they intended to limit the present case; they are merely used to distinguish components or operations described using the same technical terms.

[0033] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0034] The technical solution of the present invention will now be described with reference to the accompanying drawings.

[0035] To address the problem that the seat structure of existing two-wheeled vehicles is structurally limited, leading to increased manufacturing costs and reduced comfort, this embodiment provides a two-wheeled vehicle, specifically an electric two-wheeled vehicle.

[0036] As shown in Figures 1 and 2, the two-wheeled vehicle provided in this embodiment includes a frame 10, a body cover 20, and a seat assembly 30. The body cover 20 is mounted on the frame 10 and has a main cover 210 located on the top side of the frame 10. The seat assembly 30 is located on the frame 10 and supported by the frame 10. The seat assembly 30 is located above the main cover 210 and connected to the main cover 210.

[0037] Among them, the frame 10 is the core supporting body of the two-wheeled vehicle, used to install structural components such as the body cover 20 and the seat assembly 30. The frame 10 includes at least the frame body, which is a tubular beam structure. The tubular beam structure forms the main frame of the two-wheeled vehicle, and the body cover 20 is installed on the main frame and covers the main frame.

[0038] As shown in Figures 3 and 4, the seat assembly 30 is mounted on the frame 10 for the rider to sit on. The comfort of the seat assembly 30 directly affects the rider's experience, so the assembly structure and comfort of the seat assembly 30 are of paramount importance.

[0039] Specifically, this embodiment defines a first reference plane S1 parallel to the height direction of the two-wheeled vehicle, and the seat cushion assembly 30 is symmetrically arranged along the first reference plane S1. Within the first reference plane S1, the seat cushion assembly 30 has a connection point P that connects to the main cover 210. This connection point P is the critical point where the portion of the seat cushion assembly 30 above the main cover 210 connects to the main cover 210, and the portion of the seat cushion assembly 30 above the main cover 210 is located behind this connection point P.

[0040] Furthermore, in this embodiment, a first straight line K1 and a second straight line K2 are defined on the first reference surface S1. The first straight line K1 and the second straight line K2 are located at the front end and the rear end of the seat cushion assembly 30, respectively. The front end and the rear end are the two ends of the seat cushion assembly 30 in the front-rear direction, as shown in Figure 4. A third straight line K3 is also defined on the first reference surface and passes through the connection point P. The first straight line K1, the second straight line K2 and the third straight line K3 are formed as three straight lines that are parallel to each other on the first reference surface and extend along the height direction of the two-wheeled vehicle.

[0041] It should be noted that in this application, the direction of travel of the two-wheeled vehicle is considered the front, and the direction opposite to the direction of travel is considered the rear. This can be understood as the driver's forward-backward direction being the same as the driver's forward-backward direction, which is also the length direction of the two-wheeled vehicle. The left-right direction of the two-wheeled vehicle refers to the driver's left-right direction while driving, which is also the width direction of the two-wheeled vehicle. The up-down direction of the two-wheeled vehicle is also the driver's up-down direction while driving, which is also the height direction of the two-wheeled vehicle. The up-down, forward-backward, and left-right directions of the two-wheeled vehicle are all perpendicular to each other, as shown in Figure 1.

[0042] In this embodiment, the distance between the second straight line K2 and the third straight line K3 is L1, and the distance between the first straight line K1 and the second straight line K2 is L2. The ratio of L1 to L2 is greater than or equal to 0 and less than or equal to 0.5. For the seat cushion assembly 30, when the ratio of L1 to L2 used in this application satisfies greater than or equal to 0 and less than or equal to 0.5, the portion of the seat cushion assembly 30 located above the gap area Q in the front-rear direction accounts for a proportion of the total length of the seat cushion assembly 30 that is greater than or equal to 0 and less than or equal to 0.5. This ensures that the connection point P is neither too close to the front end of the seat cushion assembly 30, causing structural instability, nor too far to the rear end, causing interference with the main cover 210 or stress concentration during assembly. Instead, it is reasonably limited to a specific proportion of the overall length of the seat cushion assembly 30.

[0043] When the ratio of L1 to L2 is too small, the connection point P is too far back, which can cause the seat cushion assembly 30 to interfere with the frame 10 during installation and also negatively affect the shock absorption effect of the seat cushion assembly 30. When the ratio of L1 to L2 is too large, the connection point P is too close to the front end of the seat cushion assembly 30, which can cause the part above the main cover 210 to be too large, which can lead to instability and deformation of the seat cushion assembly 30.

[0044] When the ratio of L1 to L2 is greater than or equal to 0 and less than or equal to 0.5, it is a necessary choice to ensure that the seat cushion assembly 30 is stably set on the frame 10, can be accurately assembled, and has a good shock absorption effect.

[0045] In this embodiment, using the third straight line K3 where the connection point P is located as a reference, a proportional relationship between L1 and L2 is established, and the ratio of L1 to L2 is controlled within the range of 0 to 0.5. This precisely constrains the position range of the connection point P between the seat cushion assembly 30 and the main cover 210 along the length of the seat cushion assembly 30. This design ensures that the connection point P is neither too close to the front end of the seat cushion assembly 30, causing structural instability, nor too far to the rear end, causing interference with the main cover 210 or stress concentration during assembly. Instead, it is reasonably confined within a specific proportional area of ​​the overall length of the seat cushion assembly 30. As a result, the seat cushion assembly 30 can achieve precise alignment with the main cover 210 during assembly, avoiding problems such as assembly interference, uneven gaps, or uneven stress caused by positional deviations. This significantly improves the structural synergy and installation consistency between the seat cushion assembly 30 and the body cover 20, solving the technical problem of installation interference and inaccurate positioning of the seat cushion assembly 30 and the body cover 20 due to the lack of geometric constraints in traditional designs.

[0046] As shown in Figures 3 and 4, the area between the second straight line K2 and the third straight line K3 is defined as the gap region Q. Within the gap region Q, the seat cushion assembly 30 is located above the main cover 210 and is spaced apart from the main cover 210.

[0047] The portion of the seat cushion assembly 30 located above the main cover 210 is not connected to the main cover 210, forming a suspended structure. This portion does not contact the main cover 210, thus avoiding interference between the seat cushion assembly 30 and the main cover 210 caused by deformation of the seat cushion assembly 30. At the same time, the portion of the seat cushion assembly 30 located above the main cover 210 can deform to buffer vibrations and external forces, which helps to improve riding comfort.

[0048] In this embodiment, the distance between the seat cushion assembly 30 and the main cover 210 within the gap area Q is defined as the suspension height H, and the magnitude of the suspension height H gradually increases from the front of the two-wheeled vehicle to the rear of the two-wheeled vehicle.

[0049] In this application, the rear end of the seat cushion assembly 30 is tilted upwards at an angle, thereby gradually increasing the suspension height towards the rear end of the seat cushion assembly 30. This progressive suspension design allows the seat cushion assembly 30 to gradually increase its movement margin in the neutral area Q as its position moves backward, effectively alleviating assembly interference problems that may be caused by the limited space at the rear of the seat cushion assembly 30. In addition, it not only ensures the structural safety of the vehicle when it is bumpy or under changing loads, but also optimizes the adaptability of aerodynamic characteristics and assembly tolerances, so that the seat cushion assembly 30 and the main cover 210 can maintain a stable non-contact state under all working conditions, thereby achieving a dual improvement in function and aesthetics.

[0050] In other embodiments, not shown, and not limited to the above-described seat cushion assembly 30 with its rear end tilted upwards, the seat cushion assembly 30 can also be horizontally arranged. Based on the generally arc-shaped structure of the main cover 210, the suspension height H between the seat cushion assembly 30 and the main cover 210 gradually increases towards the rear end of the seat cushion assembly 30, so that the horizontally arranged seat cushion assembly 30 also has a good riding experience. Furthermore, the non-tilted rear end of the seat cushion assembly 30 further improves the rider's experience.

[0051] As shown in Figures 4 to 8, the body panel 20 also includes a seat bucket 220 located inside the main panel 210, and the frame 10 also includes a seat support frame 110. The seat assembly 30 is connected to the seat bucket 220 and the seat support frame 110 respectively. The seat support frame 110 is directly or indirectly connected to the frame body so as to achieve a fixed fit between the seat assembly 30 and the frame body through the seat support frame 110.

[0052] The bucket 220 provides space for the installation of items such as power supplies and controllers.

[0053] When bearing load, the seat cushion assembly 30 of this application not only achieves support and positioning through the seat cushion support frame 110, but also relies on the seat bucket 220 to provide support and disperse local stress. At the same time, the seat cushion support frame 110 and the seat bucket 220 directly support the seat cushion assembly 30, forming a multi-point collaborative support structure, which improves the stability of the seat cushion assembly 30.

[0054] Specifically, the seat cushion assembly 30 is connected to the seat bucket 220. The connection method can be that the front end of the seat cushion assembly 30 and the front end of the seat bucket 220 form a rotating fit structure so that the seat cushion assembly 30 can switch between the open position and the closed position by flipping.

[0055] As shown in Figure 5, in this embodiment, the seat bucket 220 includes a bucket body 221, which is used to accommodate and hold objects. The seat cushion assembly 30 is rotatably connected to the bucket body 221, and the seat cushion support frame 110 is connected to the bucket body 221. When the seat cushion assembly 30 is in the closed position, the seat cushion assembly 30 and the seat cushion support frame 110 abut against each other.

[0056] The seat cushion assembly 30 and the bucket body 221 are hinged to facilitate the switching of the position of the seat cushion assembly 30 by flipping it. The bucket body 221 of this application has a receiving space with a top opening. When the seat cushion assembly 30 is in the closed position, it covers the top opening of the bucket body 221; when the seat cushion assembly 30 is in the open position, it exposes the top opening.

[0057] Specifically, the seat cushion assembly 30 of this application is hinged to the seat bucket 220 and abuts against the seat cushion support frame 110, so that the seat cushion assembly 30 can obtain clear positioning support from the seat cushion support frame 110. At the same time, the hinged arrangement makes it easy to switch the position of the seat cushion assembly 30, which is beneficial to improving the efficiency of use.

[0058] In this embodiment, the seat support frame 110 includes two detachable parts. One part is a first frame, which is connected to the bucket body 221 and located at the rear of the bucket body 221. This part directly supports the bottom of the seat cushion assembly 30, thus supporting the seat cushion assembly 30. The connection between this part and the bucket body 221 can be achieved through fasteners such as bolts or snap-fit ​​joints, or it can be formed as an integral structure with the bucket body 221 to enhance the strength of the contact with the seat cushion assembly 30. The other part is a second frame, which is located below the first frame and connected to the frame body. The second frame abuts against the first frame supporting the seat cushion assembly 30 along the height direction and is detachably connected through fasteners. Specifically, the first frame abuts against the top surface of the second frame, and the first frame is detachably connected to the second frame through bolts. In this embodiment, the seat support frame 110 not only supports the seat cushion assembly 30 but also connects to the frame body to increase the overall structural strength.

[0059] As shown in Figure 8, a locking member 40 is also provided below the seat support frame 110, and a locking tongue 310 that cooperates with the locking member 40 is formed below the seat assembly 30. When the seat assembly 30 and the seat support frame 110 are fixedly connected, the locking tongue 310 at least partially passes through the seat support frame 110 and is fixedly connected with the locking member 40.

[0060] When the seat cushion assembly 30 is in the closed position, a locking engagement is formed between the locking tongue 310 and the locking member 40 to ensure the structural stability of the seat cushion assembly 30.

[0061] Specifically, when the seat cushion assembly 30 is in the closed position, the locking tongue 310 and the locking member 40 are mechanically locked to ensure that the seat cushion assembly 30 will not shift or loosen during driving, thus achieving a stable and reliable lock. When disassembly is required, simply disconnect the locking tongue 310 and the locking member 40 to easily open the seat cushion assembly 30 around the connecting part of the bucket body 221 upwards. Disassembly and assembly can be completed without tools, which not only ensures the integrity of the structure but also significantly improves the user's convenience and maintenance efficiency.

[0062] In this embodiment, the connection point P between the seat cushion assembly 30 and the seat bucket 220 is located at the front end of the bucket body 221, and the locking member 40 is located at the rear side of the bucket body 221, thereby realizing the front end hinge of the seat cushion assembly 30. The part of the seat cushion assembly 30 supported above the seat cushion support frame 110 is located at the rear side of the hinge end, thereby ensuring that the seat cushion assembly 30 is stably and reliably in the closed position.

[0063] In this embodiment, the seat support frame 110 has a through hole 111, the seat assembly 30 abuts against the top surface of the seat support frame 110, the locking member 40 is installed on the bottom surface of the seat support frame 110, and the locking tongue 310 passes through the through hole 111 and locks with the locking member 40.

[0064] The structural dimensions of the through hole 111 are not limited in this application, but are limited to the size of the locking tongue 310.

[0065] This application provides a through hole 111 through which the latch 310 passes and engages with the locking member 40. The through hole 111 has the effect of limiting the path of the latch 310, thereby ensuring precise alignment between the latch 310 and the locking member 40 and improving the accuracy and stability of the assembly of the latch 310 and the locking member 40.

[0066] In this embodiment, when the seat support frame 110 includes two parts, both the first frame and the second frame have through holes 111 and are connected. The locking member 40 is disposed on the bottom surface of the second frame. Thus, when the seat assembly 30 is in the closed position, the seat assembly 30 abuts against the top surface of the first frame and is locked to the locking member 40 through the two through holes 111.

[0067] As shown in Figures 7 and 8, the frame 10 also includes an auxiliary mounting bracket 50, which is located in the neutral area Q. The front end of the auxiliary mounting bracket 50 is fixedly connected to the seat support frame 110, and the seat assembly 30 is located above the auxiliary mounting bracket 50 and abuts against the auxiliary mounting bracket 50.

[0068] The seat cushion assembly 30 with a suspended height in the 50-position gap area Q of the auxiliary mounting bracket provides support to ensure the structural strength of the seat cushion assembly 30.

[0069] Specifically, the auxiliary mounting bracket 50 of this application achieves reliable force transmission and unified positioning reference through rigid connection with the seat support bracket 110, effectively suppressing the displacement, deformation or vibration of the seat assembly 30 in the gap area Q, and significantly improving the overall installation accuracy and structural rigidity.

[0070] In this embodiment, the auxiliary mounting bracket 50 and the seat support bracket 110 can be connected by bolts or other connectors to facilitate the independent assembly and disassembly of the auxiliary mounting bracket 50 and avoid installation interference between the seat assembly 30, the auxiliary mounting bracket 50 and the main cover 210.

[0071] In this embodiment, the auxiliary mounting bracket 50 includes a mounting part 510 and a support part 530. The extension direction of the mounting part 510 is basically consistent with the upper surface of the seat support frame 110 and is fixedly connected to the seat support frame 110; the extension direction of the support part 530 is basically consistent with the bottom of the seat assembly 30.

[0072] The mounting part 510 is fixedly connected to the seat cushion support frame 110. The extension direction of the mounting part 510 is basically consistent with the upper surface of the seat cushion support frame 110, which increases the contact area between the mounting part 510 and the seat cushion support frame 110, forming a surface-to-surface fit structure, which is beneficial to increase the connection strength. Furthermore, the fact that the extension direction of the mounting part 510 is basically consistent with the upper surface of the seat cushion support frame 110 also provides more optional positions for the connection, thereby improving the flexibility of the structural design.

[0073] The installation part 510 of this application improves the structural strength of the auxiliary mounting bracket 50. The extension direction of the support part 530 is basically consistent with the bottom of the seat cushion assembly 30, ensuring that the support direction of the support part 530 on the seat cushion assembly 30 is fully coordinated with the force direction of the bottom of the seat cushion assembly 30, so that the contact surface between the seat cushion assembly 30 and the auxiliary mounting bracket 50 can achieve uniform and reliable contact. The structural arrangement of the installation part 510 and the support part 530 improves the installation stability of the seat cushion assembly 30.

[0074] In this embodiment, the auxiliary mounting bracket 50 also includes a bent portion 520 located between the support portion 530 and the mounting portion 510, with the support portion 530, the bent portion 520, and the mounting portion 510 connected sequentially. The bent portion 520 of this application creates a continuous spatial transition between the mounting portion 510 and the support portion 530, effectively transferring the load from the seat cushion assembly 30 and distributing it evenly on the seat cushion support frame 110. This significantly improves the structural rigidity and deformation resistance of the auxiliary mounting bracket 50 within the gap area Q, avoiding localized stress concentration and support failure caused by the independent installation of the mounting portion 510 and the support portion 530. It ensures that the seat cushion assembly 30 maintains stable contact in the area where the suspension height H gradually increases from front to back, improving riding comfort and structural safety.

[0075] In this embodiment, the mounting part 510 is a flat plate structure, and the bending part 520 and the support part 530 are inclined plate structures. Both the mounting part 510 and the support part 530 are inclined plate structures extending obliquely upward. The front end of the bending part 520 is connected to the mounting part 510, and the rear end of the bending part 520 is connected to the support part 530, so as to realize that the mounting part 510, the bending part 520 and the support part 530 are bent sequentially.

[0076] In this embodiment: When assembling the two-wheeled vehicle, firstly, the body panel 20 is installed on the frame 10, so that the main panel 210 is located on the top side of the frame 10, and the seat bucket 220 is fixed on the frame 10; then, the locking member 40 is installed on the bottom surface of the seat support frame 110, and a through hole 111 is formed on the seat support frame 110. Next, the mounting part 510 of the auxiliary mounting bracket 50 is fixedly connected to the upper surface of the seat support frame 110, so that the extension direction of the auxiliary mounting bracket 50 is basically consistent with the upper surface of the seat support frame 110, and the extension axis of the support part 530 is basically consistent with the bottom of the seat assembly 30. The mounting part 510 and the support part 530 are connected by the bending part 520, so that the auxiliary mounting bracket 50 is rigidly connected to the frame 10 as a whole, and is located above the main panel 210, in the area between the seat assembly 30 and the main panel 210. Then, the seat cushion assembly 30 is placed on the auxiliary mounting bracket 50 and abuts against the auxiliary mounting bracket 50. Within the first reference surface S1, the foremost and rearmost ends of the seat cushion assembly 30 correspond to the first straight line K1 and the second straight line K2, respectively. The connection point P is located on the third straight line K3, and the ratio of L1 to L2 is greater than or equal to 0 and less than or equal to 0.5, ensuring that the seat cushion assembly 30 forms a structure in which the suspension height H gradually increases from front to back within the gap area Q. Afterward, the seat cushion assembly 30 is connected to the seat bucket 220 by a hinge, and the seat cushion assembly 30 is kept abutting against the seat support frame 110 in the closed position. At the same time, the locking tongue 310 at the bottom of the seat cushion assembly 30 passes through the through hole 111 and locks with the locking member 40 installed on the bottom surface of the seat support frame 110, so that the seat cushion assembly 30 and the frame 10 are fixedly connected. At this time, the seat cushion assembly 30 is spaced apart from the main cover 210 in the gap area Q. Its rear end is physically isolated from the main cover 210 due to the increased suspension height H, avoiding installation interference. The auxiliary mounting bracket 50 provides stable support through the rigid connection between the mounting part 510 and the seat cushion support frame 110, and the abutment between the support part 530 and the bottom of the seat cushion assembly 30, ensuring that the seat cushion assembly 30 does not shift or warp under vibration or load. When it is necessary to open the seat cushion assembly 30, the locking tongue 310 and the locking part 40 are released, and the seat cushion assembly 30 can be opened upward around the hinge point of the connection part of the bucket body 221, realizing tool-free disassembly and assembly, and without interference with the main cover 210 or the bucket 220 during the opening process.

[0077] The present invention has the following beneficial effects:

[0078] This application's two-wheeled vehicle places the seat cushion assembly 30 above the main cover 210 on the top side of the frame 10 and directly connects it to the main cover 210. Simultaneously, the seat cushion assembly 30 is symmetrically arranged along a first reference plane S1 parallel to the vehicle's height direction. A first straight line K1 and a second straight line K2, corresponding to the front and rear ends of the seat cushion assembly 30 respectively, are defined within the first reference plane S1. Using the third straight line K3 where the connection point P is located as a reference, a proportional relationship between L1 and L2 is established, and the ratio of L1 to L2 is controlled within the range of 0 to 0.5. This precisely constrains the position range of the connection point P between the seat cushion assembly 30 and the main cover 210 along the length of the seat cushion assembly 30. This design ensures that the connection point P is neither too close to the front end of the seat cushion assembly 30, causing structural instability, nor too far to the rear end, causing interference with the main cover 210 or stress concentration during assembly. Instead, it is reasonably confined within a specific proportional area of ​​the overall length of the seat cushion assembly 30. Therefore, the seat cushion assembly 30 can be precisely aligned with the main cover 210 during the assembly process, avoiding problems such as assembly interference, uneven gaps or uneven force caused by positional deviations. This significantly improves the structural coordination and installation consistency between the seat cushion and the body cover 20, and solves the technical problems of installation interference and inaccurate positioning between the seat cushion assembly 30 and the body cover 20 caused by the lack of geometric constraints in traditional designs.

[0079] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0080] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A two-wheeled vehicle, characterized in that, include: A vehicle frame and a body panel, the body panel being mounted on the vehicle frame, the body panel having a main cover located on the top side of the vehicle frame; A seat assembly is provided, located on and supported by the frame, situated above and connected to the main cover. A first reference plane S1 is defined, parallel to the height direction of the two-wheeled vehicle. The seat assembly is symmetrically arranged along the first reference plane S1. Within the first reference plane S1, the seat assembly has a connection point P connecting to the main cover. A first straight line K1 and a second straight line K2 are also defined on the first reference plane, located at the foremost and rearmost ends of the seat assembly, respectively. A third straight line K3 is also defined on the first reference plane and passes through the connection point P. The distance between the second straight line K2 and the third straight line K3 is L1, and the distance between the first straight line K1 and the second straight line K2 is L2. The ratio of L1 to L2 is greater than or equal to 0 and less than or equal to 0.

5.

2. The two-wheeled vehicle according to claim 1, characterized in that, The area between the second straight line K2 and the third straight line K3 is defined as a gap region Q. Within the gap region Q, the seat cushion assembly is located above the main cover and spaced apart from the main cover.

3. The two-wheeled vehicle according to claim 2, characterized in that, The distance between the seat cushion assembly and the main cover within the gap area Q is defined as the suspension height H, and the magnitude of the suspension height H gradually increases from the front of the two-wheeled vehicle to the rear of the two-wheeled vehicle.

4. The two-wheeled vehicle according to claim 1, characterized in that, The vehicle body panel also includes a seat bucket located inside the main body panel, and the vehicle frame also includes a seat support frame. The seat assembly is connected to the seat bucket and the seat support frame respectively.

5. The two-wheeled vehicle according to claim 4, characterized in that, The area between the second straight line K2 and the third straight line K3 is defined as the neutral region Q. The frame also includes an auxiliary mounting bracket, which is located within the neutral region Q. The foremost end of the auxiliary mounting bracket is fixedly connected to the seat support frame. The seat assembly is located above the auxiliary mounting bracket and abuts against it.

6. The two-wheeled vehicle according to claim 5, characterized in that, The auxiliary mounting bracket includes a mounting part and a support part. The extension direction of the mounting part is basically consistent with the upper surface of the seat cushion support frame and is fixedly connected to the seat cushion support frame. The extension direction of the support part is basically consistent with the bottom of the seat cushion assembly.

7. The two-wheeled vehicle according to claim 6, characterized in that, The auxiliary mounting bracket also includes a bent portion located between the support portion and the mounting portion, and the support portion, the bent portion and the mounting portion are connected in sequence.

8. The two-wheeled vehicle according to claim 4, characterized in that, The seat includes a bucket body for accommodating objects, a seat cushion support frame connected to the bucket body, a seat cushion assembly hinged to the bucket body, and the seat cushion assembly and the seat cushion support frame engaging in abutment.

9. The two-wheeled vehicle according to claim 8, characterized in that, A locking element is also provided below the seat cushion support frame, and a locking tongue that cooperates with the locking element is formed below the seat cushion assembly. When the seat cushion assembly and the seat cushion support frame are fixedly connected, the locking tongue at least partially passes through the seat cushion support frame and is fixedly connected with the locking element.

10. The two-wheeled vehicle according to claim 9, characterized in that, The seat support frame has a through hole, the seat assembly abuts against the top surface of the seat support frame, the locking member is installed on the bottom surface of the seat support frame, and the locking tongue passes through the through hole and locks into the locking member.

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