Electric two-wheeled vehicle

Abstract

The electric two-wheeled vehicle comprises a vehicle frame, a vehicle body covering part and a walking assembly, and the vehicle frame comprises a main vehicle frame; the vehicle body covering part at least partially covers the main vehicle frame; the walking assembly is at least partially installed below the main frame and comprises a front wheel and a rear wheel. Wherein the main bicycle frame comprises a bicycle head pipe, a first side pipe and a second side pipe, the first side pipe and the second side pipe are both connected with the bicycle head pipe, the first side pipe is arranged above the second side pipe, and the second side pipe comprises an extension section which basically extends upwards; the distance from the highest point, connected with the extension section, of the first side pipe to the reference plane in the height direction of the electric two-wheeled vehicle is larger than or equal to 80 mm and smaller than or equal to 100 mm. Through the arrangement, the overall strength of the frame is enhanced, meanwhile, a mounting position is provided for the pedal support, and the frame is lighter.

Description

Technical Field

[0001] The present application relates to the field of vehicles, and in particular to an electric two-wheeled vehicle. Background Art

[0002] As society pays more and more attention to environmental protection and energy conservation, electric two-wheelers, as a green, energy-saving and emission-reducing means of transportation, have played an increasingly important role in public transportation. At present, electric two-wheelers are becoming increasingly miniaturized and lightweight. The frame of an electric two-wheeler not only bears the mass of the driver and power components, but also bears various forces and torques transmitted to the frame by the power components and other components. The structural type and material of the frame are directly related to the stiffness and strength of the electric two-wheeler, which in turn affects the safety and comfort during driving. How to reasonably design the frame so that it meets the strength requirements while being lighter has always been a problem that needs to be solved in the field of electric two-wheelers. Summary of the invention

[0003] In order to solve the above problems, the present application provides an electric two-wheeled vehicle with a frame that meets the requirements of strength and is lighter.

[0004] In order to achieve the above objectives, this application adopts the following technical solutions:

[0005] An electric two-wheeled vehicle comprises: a frame, the frame comprising a main frame; a body covering, the body covering at least partially covering the main frame; a running assembly, the running assembly being at least partially installed below the main frame and comprising a front wheel and a rear wheel; wherein the main frame comprises a head tube, a first side tube and a second side tube, the first side tube and the second side tube are both connected to the head tube, the first side tube is arranged above the second side tube, defining a reference plane which is perpendicular to the height direction of the electric two-wheeled vehicle and passes through the axis of the rear wheel, the second side tube comprises an extension section which extends basically upward, the first side tube is connected to the extension section, the first side tube and the extension section have a highest point of connection along the height direction of the electric two-wheeled vehicle, and the distance from the highest point of connection between the first side tube and the extension section to the reference plane along the height direction of the electric two-wheeled vehicle is greater than or equal to 80 mm and less than or equal to 100 mm.

[0006] Furthermore, the distance from the highest point where the first side tube is connected to the extension section to the reference plane along the height direction of the electric two-wheeled vehicle is greater than or equal to 84 mm and less than or equal to 96 mm.

[0007] Furthermore, the distance from the highest point where the first side tube is connected to the extension section to the reference plane along the height direction of the electric two-wheeled vehicle is greater than or equal to 88 mm and less than or equal to 92 mm.

[0008] Furthermore, it is characterized in that the first side tube includes a straight section and an extension section extending substantially upward, the rear end of the first side tube is connected to the extension section, and the straight section and the second side tube substantially surround and form a triangular structure.

[0009] Furthermore, the main frame also includes a reinforcement plate, which is arranged between the first side tube and the second side tube, and the reinforcement plate basically extends along the height direction of the electric two-wheeled vehicle.

[0010] Furthermore, an accommodating gap is formed between the first side tube and the second side tube, and the frame further comprises a pedal bracket, which is distributed along the width direction of the electric two-wheeled vehicle and is at least partially arranged in the accommodating gap.

[0011] Furthermore, the main frame also includes a third side tube and a fourth side tube, defining a longitudinal center plane perpendicular to the width direction of the electric two-wheeled vehicle and passing through the width center of the electric two-wheeled vehicle. The main frame is basically symmetrically arranged about the longitudinal center plane, the first side tube and the second side tube are both arranged on one side of the longitudinal center plane, and the third side tube and the fourth side tube are both arranged on the other side of the longitudinal center plane.

[0012] Furthermore, the vehicle frame further comprises a sub-frame, the sub-frame comprises a connecting bracket and an extending bracket, the connecting bracket is at least partially arranged on the second side tube, and the extending bracket is connected to the second side tube via the connecting bracket.

[0013] Furthermore, the connecting bracket includes a first mounting portion and a second mounting portion, both of which are provided with mounting holes, and the opening direction of the first mounting portion is along the width direction of the electric two-wheeled vehicle; the second mounting portion is located above the connecting bracket, and the opening direction of the second mounting portion is along the height direction of the electric two-wheeled vehicle.

[0014] Furthermore, the frame also includes a front battery mounting plate, the main frame also includes a third side tube, the front battery mounting plate is connected to the first side tube and the third side tube at the same time, or the front battery mounting plate is connected to the second side tube and the fourth side tube at the same time.

[0015] The electric two-wheeled vehicle provided in the present application has a first side tube and a second side tube disposed on one side of the head tube, the first side tube being disposed above the second side tube, and the distance from the highest point where the first side tube is connected to the extension section to the reference plane along the height direction of the electric two-wheeled vehicle is within a preset range. Through the above arrangement, the overall strength of the frame is enhanced, and a mounting position is provided for the pedal bracket, making the frame lighter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional diagram of an electric two-wheeled vehicle according to an embodiment of the present application;

[0017] Figure 2 is a schematic structural diagram of a frame of an embodiment provided by the present application;

[0018] Figure 3 is a schematic diagram of the connection between the frame and the power assembly of the embodiment provided by the present application;

[0019] Figure 4 is a structural schematic diagram of a second use state of a power assembly of an embodiment provided by the present application;

[0020] Figure 5 This is an embodiment provided by the present application Figure 4 A schematic diagram of the enlarged structure at A in the middle;

[0021] Figure 6 This is an embodiment provided by the present application Figure 4 A schematic diagram of the enlarged structure at B in the middle;

[0022] Figure 7 is a schematic diagram of the three-dimensional structure of the front component of the embodiment provided by the present application;

[0023] Figure 8 is a schematic diagram of the exploded structure of the front assembly of the embodiment provided by the present application;

[0024] Fig. 9 is a schematic diagram of the three-dimensional structure of the short guard plate assembly of the embodiment provided by the present application;

[0025] Fig.10 is a structural schematic diagram of a short guard plate assembly of an embodiment provided by the present application from another perspective;

[0026] Fig.11 is a schematic structural diagram of a rear lighting assembly according to an embodiment of the present application;

[0027] Fig.12 is a schematic diagram of the exploded structure of the side guard plate of the embodiment provided by the present application;

[0028] Fig.13 is a schematic diagram of an exploded structure of a side guard plate of an embodiment provided by the present application from another perspective;

[0029] Fig.14 It is a schematic diagram of the connection structure of the plug-in assembly of the embodiment provided by the present application;

[0030] Fig.15 It is a schematic diagram of the exploded structure of the connector assembly of the embodiment provided in the present application. DETAILED DESCRIPTION

[0031] In order to make the technical scheme of the present application better understood by the persons skilled in the art, the technical scheme in the specific implementation mode of the present application will be described clearly and completely below in conjunction with the drawings in the implementation mode of the present application. It should be understood that, for the ordinary technicians in the field, the above description can be improved or changed, and all these improvements and changes should belong to the protection scope of the claims attached to the present application.

[0032] like Figure 1 , Figure 2 As shown, the present application provides an electric two-wheeled vehicle 100, which includes a frame 11, a suspension assembly 12, a running assembly 13, a cushion assembly 14, a body cover 15, a power assembly 16 and a lighting assembly 17. The frame 11 is used to form the overall structure of the electric two-wheeled vehicle 100 and support the power assembly 16 and the body cover 15. The running assembly 13 is connected to the frame 11 through the suspension assembly 12. The cushion assembly 14 is at least partially connected to the frame 11 and can be used for the driver to sit. The power assembly 16 is at least partially arranged in the space formed by the frame 11, and the body cover 15 is covered on the frame 11, which is used to isolate other components in the frame 11 from the outside world and to protect the equipment and structure inside the vehicle. The power assembly 16 provides power for the electric two-wheeled vehicle 100 to drive the electric two-wheeled vehicle 100. The lighting assembly 17 provides lighting, turn indication signals and warning signals for the electric two-wheeled vehicle 100. It should be noted that the electric two-wheeled vehicle 100 includes an electric bicycle and an electric motorcycle. In order to clearly explain the technical solution of this application, the following is also defined: Figure 1 The front, rear, top, bottom, left and right sides shown in the figure, the front-to-back direction is the length direction of the electric two-wheeled vehicle 100, the left-to-right direction is the width direction of the electric two-wheeled vehicle 100, and the up-down direction is the height direction of the electric two-wheeled vehicle 100.

[0033] As 2 to Figure 7 As shown, the frame 11 includes a main frame 111 and a sub-frame 112 for supporting the whole vehicle structure. The sub-frame 112 is at least partially arranged at the rear of the main frame 111 and is arranged to be detachably connected with the main frame 111. The main frame 111 includes a first side tube 1111, a second side tube 1112, a head tube 1113, a third side tube 1114 and a fourth side tube 1115. The first side tube 1111 and the second side tube 1112 are both arranged on one side of the electric two-wheeled vehicle 100, and the third side tube 1114 and the fourth side tube 1115 are both arranged on the other side of the electric two-wheeled vehicle 100. A longitudinal center plane 101 perpendicular to the width direction of the electric two-wheeled vehicle 100 and passing through the width center of the electric two-wheeled vehicle 100 is defined. Since the main frame 111 of the electric two-wheeled vehicle 100 is basically symmetrically arranged about the longitudinal center plane 101, for the symmetrical structure, only the first side tube 1111 and the second side tube 1112 on one side are described below.

[0034] As an optional embodiment, the first side tube 1111 and the second side tube 1112 are both arranged to be distributed substantially along the length direction of the electric two-wheeled vehicle 100, and the first side tube 1111 is arranged above the second side tube 1112. The main frame 111 also includes a head tube 1113, and the first side tube 1111 and the second side tube 1112 are both fixedly connected to the head tube 1113. The rear end of the first side tube 1111 is fixedly connected to the second side tube 1112. An accommodating gap 1118 is formed between the first side tube 1111 and the second side tube 1112. The frame 11 also includes a pedal bracket 113, which is distributed along the width direction of the electric two-wheeled vehicle 100 and is at least partially arranged in the accommodating gap 1118. The first side tube 1111, the second side tube 1112, the head tube 1113, the third side tube 1114 and the fourth side tube 1115 can be arranged in any one of a circular tube, a rectangular tube or an elliptical tube. Under this arrangement, the first side tube 1111 and the second side tube 1112 form an upper and lower double-layer side tube, and the third side tube 1114 and the fourth side tube 1115 form an upper and lower double-layer side tube, which enhances the overall strength of the frame 11 while providing an installation position for the pedal bracket 113, making the frame 11 more compact and more space-efficient.

[0035] As an optional embodiment, the first side tube 1111 includes a straight section 1111a and an extension section 1111b extending substantially upward, and the front end of the second side tube 1112 is connected to the extension section 1111b. The second side tube 1112 includes a horizontal section 1112a and an extension section 1112b extending substantially upward, the front end of the first side tube 1111 is connected to the head tube 1113, and the rear end of the first side tube 1111 is connected to the extension section 1112a. A plurality of reinforcing plates 1117 are further provided between the first side tube 1111 and the second side tube 1112, and the reinforcing plates 1117 are connected between the first side tube 1111 and the second side tube 1112, and the reinforcing plates 1117 extend substantially along the height direction of the electric two-wheeled vehicle 100, and are used to connect the first side tube 1111 and the second side tube 1112, and at the same time enhance the strength of the first side tube 1111 and the second side tube 1112. In addition, the reinforcing plate 1117 is also provided with mounting holes. This arrangement not only enhances the strength of the double-layer side tube formed by the first side tube 1111 and the second side tube 1112, but also provides an installation position for the wiring harness on the electric two-wheeled vehicle 100. The straight section 1111a and the second side tube 1112 are surrounded to form a basically triangular structure, which enhances the overall strength of the middle and rear ends of the frame 11. The frame 11 also includes a front battery mounting plate 114, which is distributed along the width direction of the electric two-wheeled vehicle 100 and is basically symmetrically arranged about the longitudinal center plane 101. The front battery mounting plate 114 is at least partially arranged on the first side tube 1111 and the third side tube 1114. The travel assembly 13 includes a front wheel 131 and a rear wheel 132. A reference plane 102 is defined which is perpendicular to the height direction of the electric two-wheeled vehicle 100 and passes through the axis of the rear wheel 132. The distance H from the highest point where the first side tube 1111 is connected to the extension section 1111b along the height direction of the electric two-wheeled vehicle 100 to the reference plane 102 is greater than or equal to 80 mm and less than or equal to 100 mm. The upper end surface of the front battery mounting plate 114 is substantially parallel to the reference plane 102. The distance H from the highest point where the first side tube 1111 is connected to the extension section 1111b along the height direction of the electric two-wheeled vehicle 100 to the reference plane 102 affects both the installation space of the power assembly 16 and the position of the driver's feet. When the distance H from the highest point where the first side tube 1111 is connected to the extension section 1111b to the reference plane 102 along the height direction of the electric two-wheeled vehicle 100 is greater than 100 mm, the middle and rear sections of the first side tube 1111 are relatively high. Since the front battery mounting plate 114 is arranged on the first side tube 1111 and the position of the front battery mounting plate 114 is relatively high, the installation space of the power assembly 16 will be reduced, which is not conducive to the arrangement of the power assembly 16.When the distance H from the highest point where the first side tube 1111 is connected to the extension section 1111b along the height direction of the electric two-wheeled vehicle 100 to the reference plane 102 is less than 80mm, the position of the pedal of the electric two-wheeled vehicle 100 is too low to meet the riding needs of the driver; and because the body cover 15 is provided outside the first side tube 1111 and the second side tube 1112, the body cover 15 is located at a low position and is easily damaged by foreign objects on the road. As an optional embodiment, the distance H from the highest point where the first side tube 1111 is connected to the extension section 1111b along the height direction of the electric two-wheeled vehicle 100 to the reference plane 102 can also be greater than or equal to 84mm and less than or equal to 96mm; as an optional embodiment, the distance H from the highest point where the first side tube 1111 is connected to the extension section 1111b along the height direction of the electric two-wheeled vehicle 100 to the reference plane 102 can also be greater than or equal to 88mm and less than or equal to 92mm. Through the above arrangement, the strength of the frame 11 is ensured while the installation space requirements of the front battery mounting plate 114 and the pedal bracket 113 are met at the same time.

[0036] like Figures 4 to 6As shown, the sub-frame 112 includes a connecting bracket 1121 and an extension bracket 1122. As an implementation, two connecting brackets 1121 are provided, and the two connecting brackets 1121 are basically symmetrically arranged about the longitudinal center plane 101. It can be understood that the connecting bracket 1121 can also be provided as one or more, which will not be repeated here. The connecting bracket 1121 is at least partially arranged on the second side tube 1112. The connecting bracket 1121 includes a first mounting portion 1121a and a second mounting portion 1121b, the first mounting portion 1121a can be provided as a mounting hole, the second mounting portion 1121b can be provided as a mounting hole, the first mounting portion 1121a is located at the side of the connecting bracket 1121, and the opening direction of the first mounting portion 1121a is basically along the width direction of the electric two-wheeled vehicle 100. The second mounting portion 1121b is located at the upper part of the connecting bracket 1121, and the opening direction of the second mounting portion 1121b is basically along the height direction of the electric two-wheeled vehicle 100. The extension frame 1122 is connected to the main frame 111 through the first mounting portion 1121a and the second mounting portion 1121b. The extension frame 1122 is basically symmetrically arranged about the longitudinal center plane 101. The projection of the extension frame 1122 and the connecting bracket 1121 on the longitudinal center plane 101 along the width direction of the electric two-wheeled vehicle 100 is basically a triangle. The extension frame 1122 is set to a metal material. Under this arrangement, the triangular structure formed by the extension frame 1122 can make the extension frame 1122 heavier. The connecting bracket 1121 also includes a third mounting portion 1121c, which can be set as a mounting hole, and the third mounting portion 1121c is located on the side of the connecting bracket 1121, and the opening direction of the third mounting portion 1121c is the width direction of the electric two-wheeled vehicle 100. The suspension assembly 12 includes a rear shock absorber 121, and one end of the rear shock absorber 121 is connected to the main frame 111 through the third mounting portion 1121c. The connecting bracket 1121 integrates multiple installation points, making the layout of the frame 11 more compact.

[0037] like Figures 2 to 5As shown, the frame 11 also includes a front battery mounting plate 114, which is connected to both ends of the main frame 111 in the width direction. As an implementation method, the front battery mounting plate 114 is connected between the first side tube 1111 and the third side tube 1114. As an optional embodiment, the power assembly 16 can be arranged below the front battery mounting plate 114. Under this setting, the power assembly 16 is connected to the main frame 111 through the front battery mounting plate 114 and is located below the first side tube 1111 and the third side tube 1114, and does not occupy the space above the front battery mounting plate 114, providing more accommodation space for the electric two-wheeled vehicle 100, ensuring the comfort of the driver's legs when driving the vehicle. As an optional embodiment, the frame 11 is also provided with a rear battery mounting plate 115, which is connected to both ends of the main frame 111 in the width direction. The power assembly 16 can also be arranged above the rear battery mounting plate 115. The rear battery mounting plate 115 itself forms an arch bridge shape. In this configuration, the rear battery mounting plate 115 is a relatively stable structure, thereby providing sufficient supporting strength for the power assembly 16 without the need for other reinforcement structures, thereby achieving lightweight construction.

[0038] like Figures 2 to 5As shown, the main frame 111 also includes a mounting plate 1116, and the mounting plate 1116 is provided with two, and the two mounting plates 1116 are respectively provided on the second side tube 1112 and the fourth side tube 1115, and the two mounting plates 1116 are respectively provided at both ends of the width direction of the main frame 111. It can be understood that the structures and connection methods of the two mounting plates 1116 are basically the same, and the following only describes the structure of one of the mounting plates 1116 and the connection method. The mounting plate 1116 is provided below the second side tube 1112, and is fixedly connected or integrally formed with the second side tube 1112. The mounting plate 1116 is provided with a metal material. The mounting plate 1116 can be provided as a plate, and the mounting plate 1116 includes a first mounting plate 1161a and a second mounting plate 1161b, and the first mounting plate 1161a is fixedly connected or integrally formed with the second mounting plate 1161b, and the first mounting plate 1161a is at least partially provided in front of the second mounting plate 1161b. A preset first extension plane is defined, and the first mounting plate 1161a extends substantially along the first extension plane. A preset second extension plane is defined, and the second mounting plate 1161b extends substantially along the second extension plane. The distance from the first extension plane to the longitudinal center plane 101 along the width direction of the electric two-wheeled vehicle 100 is less than the distance from the first extension plane to the longitudinal center plane 101 along the width direction of the electric two-wheeled vehicle 100. A first mounting hole 1161c is provided on the first mounting plate 1161a, and the suspension assembly 12 further includes a rear fork 122, which is connected to the main frame 111 through the first mounting hole 1161c. It can be understood that the rear fork 122 is arranged on one side of the mounting plate 1116 close to the longitudinal center plane 101, and one end of the rear fork 122 is configured to be rotatably connected to the rear wheel 132, and the other end of the rear fork 122 is in contact with the second mounting plate 1161b, and the connection between the second mounting plate 1161b and the first mounting plate 1161a is a smooth chamfer, and one end of the rear fork 122 moves from the second mounting plate 1161b to the first mounting plate 1161a, and finally connects with the first mounting plate 1161a. Under this arrangement, it is avoided that the rear fork 122 is directly connected to the first mounting plate 1161a, resulting in difficulty in matching the mounting points, or the rear fork 122 interferes with the first mounting plate 1161a from the back to the front, and there is no need to reserve an installation gap in the width direction of the electric two-wheeled vehicle 100.

[0039] As an optional implementation, the first mounting plate 1161a and / or the second mounting plate 1161b are further provided with a plurality of second mounting holes 1161d, which are used to standardize the wiring harness. On the one hand, the mounting plate 1116 strengthens the strength of the second side tube 1112, thereby improving the strength of the entire frame 11; on the other hand, the mounting plate 1116 has mounting holes for mounting the rear fork 122, and the plurality of mounting holes can help standardize the wiring harness or serve as mounting points for other components.

[0040] like Figure 1 , Figure 7 and Figure 8 As shown, the vehicle body cover 15 includes a front component 151, which is arranged in front of the cushion component 14, and the front component 151 is at least partially arranged on the head tube 1113. The front component 151 is arranged in a split type and includes a first mounting cover 1511, a second mounting cover 1512, a third mounting cover 1513 and an inner side guard plate 1514. The inner side guard plate 1514 is arranged on the head tube 1113 and is located on a side close to the cushion component 14, that is, the inner side guard plate 1514 is arranged behind the head tube 1113. The first mounting cover 1511 can be arranged on the head tube 1113 and / or the inner side guard plate 1514 and is located on a side away from the cushion component 14, that is, the first mounting cover 1511 is connected and located in front of the head tube 1113. The second mounting cover 1512 and the third mounting cover 1513 are both arranged in front of the head pipe 1113, and the second mounting cover 1512 and the third mounting cover 1513 are respectively arranged on both sides of the first mounting cover 1511. The first mounting cover 1511, the second mounting cover 1512 and the third mounting cover 1513 surround to form a "U" shape. The lighting assembly 17 includes a front lighting assembly 171, and the front lighting assembly 171 is arranged in a "U" shape. The front lighting assembly 171 is directly connected to the inner side guard plate 1514 and is located on the side of the inner side guard plate 1514 away from the cushion assembly 14. The first mounting cover 1511, the second mounting cover 1512 and the third mounting cover 1513 are distributed around the outer side of the front lighting assembly 171, and the outer edge of the front lighting assembly 171 is in contact with the inner edge of the "U" shape formed by the first mounting cover 1511, the second mounting cover 1512 and the third mounting cover 1513.

[0041] As an optional embodiment, the front component 151 further includes a fourth installation cover 1515 and a fifth installation cover 1516. The fourth installation cover 1515 is arranged above the front lighting component 171 and surrounds the front lighting component 171 to form a receiving space 1517. The electric two-wheeled vehicle 100 further includes an intelligent terminal 19, which is arranged in the receiving space 1517. The fifth installation cover 1516 covers the front lighting component 171 and the fourth installation cover 1515 to protect the intelligent terminal 19. Under this arrangement, when installing the front component 151, the inner guard plate 1514 can be arranged on the frame 11 first, and then the first installation cover 1511 can be arranged on the frame 11 or the inner guard plate 1514, and then the second installation cover 1512 and the third installation cover 1513 can be respectively installed on the first installation cover 1511 from the left and right sides. The front component 151 is designed to be split to avoid interference with other components during installation of the integrated plastic parts, which is inconvenient to install. In addition, the smart terminal 19 is disposed in the accommodating space 1517 , and the smart terminal 19 can be exposed by simply removing the fifth installation cover 1516 , thereby facilitating disassembly, assembly and maintenance of the smart terminal 19 .

[0042] like Figures 9 to 14 As shown, the body cover 15 also includes a body guard plate 152, which is arranged below the seat cushion assembly 14, and the body guard plate 152 is formed in a barrel shape. The body guard plate 152 is fixedly connected to the main frame 111, and the seat cushion assembly 14 is rotatably connected to the body guard plate 152. The seat cushion assembly 14 and the body guard plate 152 together form a receiving chamber 143, and the power assembly 16 is arranged in this receiving chamber 143. The body cover 15 also includes a side guard plate 153, which is arranged on one side of the body guard plate 152 along the width direction of the electric two-wheeled vehicle 100. The side guard plate 153 and the body guard plate 152 are detachably connected, and the driver can easily replace the side guard plate 153 according to his own needs. Observed along the width direction of the electric two-wheeled vehicle 100, the side guard plate 153 and the body guard plate 152 are basically overlapped. A plurality of through holes 1522 are provided on one side of the body guard plate 152 close to the side guard plate 153. This arrangement can not only reduce the weight of the body guard plate 152, but also save costs. A mounting portion 1521 is provided on one side of the body guard plate 152. The mounting portion 1521 can be set as a mounting hole. A connecting portion 1531 is provided on one side of the side guard plate 153 close to the body guard plate 152. The connecting portion 1531 can be set as a plurality of buckles matching the mounting holes. Such buckles have a certain elastic deformation ability. When installing, the buckles are deformed and pass through the mounting holes under the action of external force. After passing through the mounting holes, the buckles return to their original state and can be fixed. When disassembling, only external force can be provided to pull the side guard plate outwards to the left and right, so that the buckles can be deformed and removed. The side guard plate 153 is connected to the body guard plate 152 through the mounting portion 1521 and the connecting portion 1531. Under this arrangement, the side guard plate 153 can be quickly disassembled and assembled without using other tools.

[0043] like Fig.12 , Fig.13 As shown, the body cover 15 also includes a bottom component 154, which is arranged below the seat cushion component 14. The bottom component 154 includes a pedal 1541 for placing the driver's feet. The pedal 1541 is arranged on the first side tube 1111 and the third side tube 1114. The bottom component 154 also includes a bottom guard plate 1542, which is used to protect the vehicle chain and other mechanisms. There are two bottom guard plates 1542, and the two bottom guard plates 1542 are respectively arranged on the left and right sides of the pedal 1541. The two bottom guard plates 1542 are arranged at both ends of the width direction of the electric two-wheeled vehicle 100. It can be understood that the bottom guard plate 1542 can also be set to one or more according to needs. The structures and connection methods of multiple bottom guard plates 1542 are basically the same. The following only describes the structure of one bottom guard plate 1542 and the connection method.

[0044] As an optional embodiment, along the up-down direction of the electric two-wheeled vehicle 100, the upper part of the bottom guard plate 1542 is provided with a fixing portion 1542b, the lower part of the bottom guard plate 1542 is provided with an extension portion 1542a, the upper part of the pedal 1541 is provided with a first connection hole 1541a for the fixing portion 1542b to pass through, and the lower part of the pedal 1541 is provided with a second connection hole 1541b matching the extension portion 1542a. The fixing portion 1542b is provided with a mounting hole opening along the height direction of the electric two-wheeled vehicle 100, and the pedal 1541 further includes a third connection hole 1541c, and the opening direction of the third connection hole 1541c is also along the height direction of the electric two-wheeled vehicle 100. The opening directions of the first connection hole 1541a and the second connection hole 1541b are both toward the width direction of the electric two-wheeled vehicle 100. The bottom guard plate 1542 is configured to insert the extension part 1542a into the second connection hole 1541b along the left-right direction of the electric two-wheeled vehicle 100, and then rotate the bottom guard plate 1542 upward until the fixed part 1542b passes through the first connection hole 1541a, and the extension part 1542a abuts against the pedal 1541, and the extension part 1542a exerts an outward force on the pedal 1541. The outer edge of the bottom guard plate 1542 fits the pedal 1541, and the mounting hole on the fixed part 1542b corresponds to the third connection hole 1541c, and then the two are fixed by bolts. In this setting, two components with insufficient rigidity and large area can be quickly connected. For example, the pedal 1541 and the bottom guard plate 1542 can be made of PP material. This material is not rigid enough. If the extension part 1542a is not provided on the bottom guard plate 1542, and only the fixing part 1542b is used, when the fixing part 1542b is inserted into the pedal 1541, the pedal 1541 is deformed inward by force, and it is difficult to connect the two. The extension part 1542a is inserted into the second connecting hole 1541b, and the extension part 1542a abuts against the pedal 1541. The extension part 1542a exerts an outward force on the pedal 1541, which facilitates the fixing part 1542b to pass through the first connecting hole. In addition, the extension part 1542a and the second connecting hole 1541b can be used as pre-positioning during installation, and the installation is more accurate.

[0045] like Fig. 9 , Fig.11As shown, the electric two-wheeled vehicle 100 further includes a foot assembly 155, which is at least partially arranged on the vehicle frame 11. When viewed from the left and right direction of the electric two-wheeled vehicle 100, the foot assembly 155 overlaps with the rear wheel 132. The foot assembly 155 includes a connector 1551 and a pedal 1552. The connector 1551 is directly arranged on the vehicle body cover 15, and the pedal 1552 is inserted through the connector 1551. The connector 1551 is provided with a connector body 1551a, and a plugging cover 1551b is also arranged on the connector 1551. The plugging cover 1551b is divided from the connector body 1551a by a weakening line. The direction of the weakening line cutting is the side of the connector 1551 close to the rear wheel 132. The side of the connector 1551 exposed to the outside does not show the weakening line. The weakening line provides a positioning point for removing the plugging cover 1551b, which is more convenient and quick. When the pedal 1552 needs to be installed, the blocking cover part 1551b can be removed from the weakened line on the connector body 1551a. At this time, only the blocking cover hole 1551c remains on the connector body 1551a after the blocking cover part 1551b is removed. The pedal 1552 is passed through the blocking cover hole 1551c and then connected to the frame 11. The blocking cover hole 1551c is covered by the pedal 1552 and the installation point will not be exposed.

[0046] As an optional embodiment, the foot assembly 155 includes a first assembly state and a second assembly state. When the foot assembly 155 is in the first assembly state, the footrest 1552 is not installed, and the connector 1551 retains the plugging cover portion 1551b. When the foot assembly 155 is in the second assembly state, the connector 1551 removes the plugging cover portion 1551, and only retains the plugging cover hole 1551c, and the footrest 1552 is assembled. Under this setting, it can be determined whether to assemble the footrest 1552 according to needs during assembly. When assembling the footrest 1552, there is no need to change the body cover 15. It is only necessary to remove the plugging cover portion 1551b along the reserved weakening line, and then pass the footrest 1552 through the connector 1551, which is convenient for disassembly and assembly.

[0047] like Fig.14 , Fig.15As shown, the body cover 15 also includes a connector assembly 156, which is used to quickly connect two plastic parts. The connector assembly 156 includes a latch member 1561 and a stopper 1562. After the latch member 1561 is inserted into the stopper 1562, the two are fixedly connected using bolts, which meets the fixing strength and is convenient for installation. As an optional embodiment, the stopper 1562 includes a stopper hole 1562a, and the opening direction of the stopper hole 1562a is basically consistent with the extension direction of the latch member 1561. The latch member 1561 includes a connecting hole 1561a, and the stopper 1562 also includes a mounting hole 1562b. The opening directions of the connecting hole 1561a and the mounting hole 1562b are basically perpendicular to the extension direction of the latch member 1561. The connecting hole 1561a and the mounting hole 1562b are used to cooperate with the bolt to fix the connector assembly 156 in another direction. Under this setting, during installation, the latch member 1561 is first inserted into the limiting hole 1562a. After the limiting hole 1562a provides preliminary limiting, the connecting hole 1561a and the mounting hole 1562b are fixed by bolts. The plastic parts connected to the plug-in assembly 1561 can be limited in various directions, and the operation is simple and the cost is low.

[0048] As an optional embodiment, the latch member 1561 further includes a protrusion 1561b, and the stopper 1562 further includes a slot 1562c engaged with the protrusion. The engagement of the protrusion 1561b with the slot 1562c can make the edges of the two plastic parts connected by the latch member 1561 and the stopper 1562 fit more closely.

[0049] like Fig.10 , Fig.11As shown, the lighting assembly 17 also includes a rear lighting assembly 172, and the rear lighting assembly 172 is arranged below the seat cushion assembly 14. The seat cushion assembly 14 includes a main seat cushion 141 and a sub-seat cushion 142, and the electric two-wheeled vehicle 100 includes a first installation state and a second installation state. When the electric two-wheeled vehicle 100 is in the first installation state, the main seat cushion 141 is assembled, and the sub-frame 112 is not installed. When the electric two-wheeled vehicle 100 is in the second installation state, the extension frame 1121, the main seat cushion 141 and the sub-seat cushion 142 are all assembled. When the electric two-wheeled vehicle 100 is in the first installation state, the rear lighting assembly 172 is arranged behind the vehicle body guard plate 152, and when viewed along the height direction of the electric two-wheeled vehicle 100, the rear lighting assembly 172 at least partially overlaps with the main seat cushion 141. When the electric two-wheeled vehicle 100 is in the second installation state, the rear lighting assembly 172 is arranged below the auxiliary cushion 142. When viewed along the height direction of the electric two-wheeled vehicle 100, the rear lighting assembly 172 at least partially overlaps with the auxiliary cushion 142. Under this arrangement, in order to meet the transportation needs, the electric two-wheeled vehicle 100 chooses whether to assemble the corresponding auxiliary frame 112 according to the functional requirements, and equips the corresponding auxiliary cushion 142 according to the auxiliary frame 112. The vehicle body guard plate 152 and the auxiliary cushion 142 are both provided with mounting positions connected to the rear lighting assembly 172. The rear lighting assembly 172 can adjust its position according to the needs without changing the main frame 111 and the main cushion 141, thereby improving the versatility of the main frame 111 and the main cushion 141.

[0050] like Fig.14 , Fig.15 As shown, the body cover 15 also includes a wire harness stopper 157, which can be set on a plastic part where the wire harness needs to be fixed. For example, the wire harness stopper 157 can be set on the body guard plate 152 and fixedly connected or integrally formed with the body guard plate 152. The wire harness stopper 157 includes an extension portion 1571, and the wire harness is regulated between the extension portion 1571 and the body guard plate 152. The wire harness stopper 157 also includes an auxiliary hole 1572. After the wire harness is regulated between the extension portion 1571 and the body guard plate 152, a strap is used to pass through the auxiliary hole 1572 to further fix it. The wire harness stopper 157 can also be set at positions such as the front component 151 and the bottom component 154 where the direction of the wire harness needs to be regulated.

[0051] Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

Claims

1. An electric two-wheeled vehicle, include: A vehicle frame, the vehicle frame comprising a main frame; a body covering, the body covering at least partially covering the main frame; A traveling assembly, the traveling assembly being at least partially mounted below the main frame, the traveling assembly comprising a front wheel and a rear wheel; It is characterized in that The main frame includes a head tube, a first side tube and a second side tube, the first side tube and the second side tube are both connected to the head tube, the first side tube is arranged above the second side tube, the second side tube includes an extension section extending basically upward, the first side tube is connected to the extension section, the first side tube and the extension section have a highest point of connection along the height direction of the electric two-wheeled vehicle, and define a reference plane that is perpendicular to the height direction of the electric two-wheeled vehicle and passes through the axis of the rear wheel, and the distance from the highest point where the first side tube is connected to the extension section to the reference plane along the height direction of the electric two-wheeled vehicle is greater than or equal to 80 mm and less than or equal to 100 mm.

2. The electric two-wheeled vehicle according to claim 1, It is characterized in that The distance from the highest point where the first side tube is connected to the extension section to the reference plane along the height direction of the electric two-wheeled vehicle is greater than or equal to 84 mm and less than or equal to 96 mm.

3. The electric two-wheeled vehicle according to claim 1, It is characterized in that The distance from the highest point where the first side tube is connected to the extension section to the reference plane along the height direction of the electric two-wheeled vehicle is greater than or equal to 88 mm and less than or equal to 92 mm.

4. The electric two-wheeled vehicle according to claim 1, It is characterized in that The first side tube comprises a straight section and an extension section extending substantially upward, the rear end of the first side tube is connected to the extension section, and the straight section and the second side tube substantially surround and form a triangular structure.

5. The electric two-wheeled vehicle according to claim 1, It is characterized in that The main frame further includes a reinforcement plate, which is disposed between the first side tube and the second side tube, and the reinforcement plate substantially extends along a height direction of the electric two-wheeled vehicle.

6. The electric two-wheeled vehicle according to claim 1, It is characterized in that An accommodating gap is formed between the first side tube and the second side tube, and the frame further comprises a pedal bracket, which is distributed along the width direction of the electric two-wheeled vehicle and is at least partially arranged in the accommodating gap.

7. The electric two-wheeled vehicle according to claim 1, It is characterized in that The main frame also includes a third side tube and a fourth side tube, defining a longitudinal center plane perpendicular to the width direction of the electric two-wheeled vehicle and passing through the width center of the electric two-wheeled vehicle. The main frame is basically symmetrically arranged about the longitudinal center plane, the first side tube and the second side tube are both arranged on one side of the longitudinal center plane, and the third side tube and the fourth side tube are both arranged on the other side of the longitudinal center plane.

8. The electric two-wheeled vehicle according to claim 1, It is characterized in that The frame further includes a sub-frame, and the sub-frame includes a connecting bracket and an extending bracket. The connecting bracket is at least partially arranged on the second side tube, and the extending bracket is connected to the second side tube through the connecting bracket.

9. The electric two-wheeled vehicle according to claim 8, It is characterized in that The connecting bracket includes a first mounting portion and a second mounting portion, and both the first mounting portion and the second mounting portion are provided with mounting holes, and the opening direction of the mounting hole of the first mounting portion is along the width direction of the electric two-wheeled vehicle; the second mounting portion is located above the connecting bracket, and the opening direction of the mounting hole of the second mounting portion is along the height direction of the electric two-wheeled vehicle.

10. The electric two-wheeled vehicle according to claim 7, It is characterized in that The frame also includes a front battery mounting plate, and the main frame also includes a third side tube. The front battery mounting plate is connected to the first side tube and the third side tube at the same time, or the front battery mounting plate is connected to the second side tube and the fourth side tube at the same time.

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