Stable two-wheeled frame structure

Abstract

The utility model discloses a stable two-wheeled frame structure which comprises a main beam pipe, a main side pipe fixedly connected to the side surface of the main beam pipe, a transverse pipe fixedly connected to the bottom end of the main beam pipe, two ends of the transverse pipe fixedly connected with the main side pipe, an upper side pipe fixedly connected to the outer surface of the main side pipe, and a lower side pipe fixedly connected to the outer surface of the upper side pipe. A nut is fixedly connected to the interior of the upper edge pipe, the upper edge pipe is a square pipe of 20 cm * 20 cm, the main beam pipe is embraced on the main edge pipe, the riding stability can be improved, the upper edge pipe is the square pipe of 20 cm * 20 cm, welding of the nut is facilitated, the nut is used for fixing other parts, and the whole bicycle body is convenient to assemble. And the transverse pipe is welded on the upper side of the main side pipe, so that the battery mounting space on the lower side of the pedal is large, and a space is reserved for placing the battery.

Description

Technical Field

[0001] The utility model relates to the technical field of two-wheeled vehicles, in particular to a stable two-wheeled vehicle frame structure. Background Art

[0002] Two-wheeled electric vehicles, also known as electric two-wheeled vehicles, are a type of personal transportation vehicle that uses batteries as auxiliary energy. It is a mechatronic vehicle that is equipped with motors, controllers, display instrument systems and other components based on a two-wheeled vehicle.

[0003] When the existing two-wheeled electric vehicles travel at a speed of 70-80km / h, the stability of the vehicle body will decrease, and there is currently no two-wheeled electric vehicle frame on the market that optimizes stability at this speed, resulting in certain safety hazards for electric vehicles. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a stable two-wheeled frame structure. By embracing the main beam tube by the main side tube, the riding stability can be increased, and the upper side tube adopts a 20cm*20cm square tube, which is convenient for welding nuts, and the nuts are used to fix other components, so as to facilitate the assembly of the entire vehicle body; by welding the cross tube to the upper side of the main side tube, the battery installation space on the lower side of the pedal is large, and space is reserved for placing the battery; by arranging the first connecting plate, the second connecting plate, the first cross plate, the second cross plate, the upper mounting bracket and the lower mounting bracket, the stability of the frame when connected to the internal shell can be improved, and the stability of the two-wheeled electric vehicle at a speed of 70-80km / h can be enhanced.

[0005] The utility model also provides a stable two-wheel frame structure as described above, comprising: a main beam tube, the side surface of the main beam tube is fixedly connected to a main side tube, the bottom end of the main beam tube is fixedly connected to a cross tube, both ends of the cross tube are fixedly connected to the main side tubes, the outer surface of the main side tube is fixedly connected to an upper side tube, the interior of the upper side tube is fixedly connected to a nut, and the upper side tube is a 20cm*20cm square tube.

[0006] According to the stable two-wheel frame structure, the top end of the main beam tube is fixedly connected to the head tube, the side surface of the main beam tube is fixedly connected to the limiting ring, and the bottom end of the head tube is fixedly connected to the limiting ring.

[0007] According to the stable two-wheel frame structure, a connecting piece is provided at one end of the main side tube close to the main beam tube, and the side surface of the connecting piece is fixedly connected to the main beam tube.

[0008] According to the stable two-wheel frame structure, the outer surface of the main side tube is fixedly connected to a first connection block, the side surface of the first connection block is fixedly connected to the upper side tube, and the interior of the first connection block is fixedly connected to a nut.

[0009] According to the stable two-wheel frame structure, the outer surface of the main side tube is fixedly connected to the second connection block, the side surface of the second connection block is fixedly connected to the upper side tube, and the interior of the second connection block is fixedly connected to a nut.

[0010] According to the stable two-wheel frame structure, one end of the main side tube away from the main beam tube is fixedly connected to a support seat, and the number of the support seats is two and they are symmetrically distributed.

[0011] According to the stable two-wheel frame structure, the side surface of the main side tube is fixedly connected to an upper mounting bracket, the side surface of the upper mounting bracket is fixedly connected to a first cross plate, and bolts are provided through the interior of the upper mounting bracket.

[0012] According to the stable two-wheel frame structure, the outer surface of the main side tube is fixedly connected to the second cross plate, and the lower surface of the main side tube is fixedly connected to the lower mounting bracket.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the overall structure of a stable two-wheeled vehicle frame structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the axle side structure of a stable two-wheeled frame structure of the utility model;

[0017] Figure 3 This is a front view of a stable two-wheeled vehicle frame structure of the utility model;

[0018] Figure 4 It is a top view of a stable two-wheeled vehicle frame structure of the utility model;

[0019] Figure 5 It is a left view of a stable two-wheeled frame structure of the utility model;

[0020] Figure 6 It is a right side view of a stable two-wheeled frame structure of the utility model;

[0021] Figure 7The utility model is a bottom view of a stable two-wheel vehicle frame structure.

[0022] Legend:

[0023] 1. Main beam tube; 2. Main side tube; 3. Cross tube; 4. Nut; 5. Upper side tube; 6. Front tube; 7. Limiting ring; 8. Connecting plate; 9. First connecting block; 10. Second connecting block; 11. Support seat; 12. Upper mounting bracket; 13. First cross plate; 14. Bolt; 15. Second cross plate; 16. Lower mounting bracket. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-4 The utility model embodiment is a stable two-wheeled frame structure, which includes: a main beam tube 1, a main side tube 2 is fixedly connected to the side surface of the main beam tube 1, the main side tube 2 embraces the main beam tube 1 to increase riding stability, a cross tube 3 is fixedly connected to the bottom end of the main beam tube 1, both ends of the cross tube 3 are fixedly connected to the main side tube 2, an upper side tube 5 is fixedly connected to the outer surface of the main side tube 2, the main side tube 2 is welded to the main beam tube 1, the cross tube 3 is welded to the main side tube 2 and the main beam tube 1, the upper side tube 5 is welded to the main side tube 2, and the nut 4 is welded to the upper side tube 5. Each component is fixed together by welding to ensure the stability of the frame. The upper side tube 5 adopts a 20cm*20cm square tube, which is convenient for welding the nut 4. The nut 4 is used to fix other components and is convenient for assembling the entire vehicle body; and the cross tube 3 is welded to the upper side of the main side tube 2, so the battery installation space on the lower side of the pedal is large, leaving space for placing the battery.

[0026] The top of the main beam tube 1 is fixedly connected to the head tube 6, the side surface of the main beam tube 1 is fixedly connected to the limiting ring 7, the bottom end of the head tube 6 is fixedly connected to the limiting ring 7, and the limiting ring 7 is used to locate the inclination angle of the head tube 6 to ensure the comfort of the rider when holding the handlebars.

[0027] A connecting piece 8 is provided at one end of the main side tube 2 close to the main beam tube 1, and the side surface of the connecting piece 8 is fixedly connected to the main beam tube 1. The connecting piece 8 can increase the welding area of ​​the main side tube 2 and the main beam tube 1, and improve the stability of the connection between the main side tube 2 and the main beam tube 1.

[0028] The outer surface of the main side tube 2 is fixedly connected with a first connecting block 9, the side surface of the first connecting block 9 is fixedly connected to the upper side tube 5, the interior of the first connecting block 9 is fixedly connected with a nut 4, the outer surface of the main side tube 2 is fixedly connected with a second connecting block 10, the side surface of the second connecting block 10 is fixedly connected to the upper side tube 5, the interior of the second connecting block 10 is fixedly connected with a nut 4, the first connecting block 9 and the second connecting block 10 are used to improve the stability of the connection between the main side tube 2 and the upper side tube 5, and the nut 4 is used to improve the stability of the connection between the frame and the internal shell.

[0029] One end of the main side tube 2 away from the main beam tube 1 is fixedly connected to a support seat 11, and there are two support seats 11 and they are symmetrically distributed. The side surface of the main side tube 2 is fixedly connected to an upper mounting bracket 12, and the side surface of the upper mounting bracket 12 is fixedly connected to a first cross plate 13. Bolts 14 are provided through the interior of the upper mounting bracket 12. The outer surface of the main side tube 2 is fixedly connected to a second cross plate 15, and the lower surface of the main side tube 2 is fixedly connected to a lower mounting bracket 16. The support seat 11 is used to connect the seat frame, the first cross plate 13 is used to connect the tail ends of the two main side tubes 2, and at the same time, the upper mounting bracket 12 is connected to the side of the seat frame with the bolts 14. The lower mounting bracket 16 is used to connect the middle section of the main side tube 2 to the shell, and the second cross plate 15 plays a role of supporting and positioning.

[0030] Working principle: when assembling the frame, the main side tube 2 embraces the main beam tube 1 to increase riding stability. The upper side tube 5 adopts a 20cm*20cm square tube to facilitate the welding of the nut 4. The nut 4 is used to fix other components to facilitate the assembly of the entire vehicle body. The cross tube 3 is welded to the upper side of the main side tube 2, so the battery installation space on the lower side of the pedal is large, leaving space for placing the battery; through the arrangement of the first connecting plate, the second connecting plate, the first cross plate, the second cross plate, the upper mounting bracket and the lower mounting bracket, the stability of the frame when connected to the internal shell can be improved, and the stability of the two-wheeled electric vehicle at a speed of 70-80km / h can be enhanced.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A stable two-wheeled vehicle frame structure, characterized in that: include: A main beam tube (1), the side surface of the main beam tube (1) is fixedly connected to a main side tube (2), the bottom end of the main beam tube (1) is fixedly connected to a transverse tube (3), both ends of the transverse tube (3) are fixedly connected to the main side tube (2), the outer surface of the main side tube (2) is fixedly connected to an upper side tube (5), the interior of the upper side tube (5) is fixedly connected to a nut (4), and the upper side tube (5) is a 20cm*20cm square tube.

2. A stable two-wheeled vehicle frame structure according to claim 1, characterized in that: The top end of the main beam tube (1) is fixedly connected to a head tube (6), the side surface of the main beam tube (1) is fixedly connected to a limiting ring (7), and the bottom end of the head tube (6) is fixedly connected to the limiting ring (7).

3. A stable two-wheeled vehicle frame structure according to claim 1, characterized in that: A connecting piece (8) is provided at one end of the main side tube (2) close to the main beam tube (1), and the side surface of the connecting piece (8) is fixedly connected to the main beam tube (1).

4. A stable two-wheeled vehicle frame structure according to claim 1, characterized in that: The outer surface of the main side tube (2) is fixedly connected to a first connection block (9), the side surface of the first connection block (9) is fixedly connected to the upper side tube (5), and the interior of the first connection block (9) is fixedly connected to a nut (4).

5. A stable two-wheeled vehicle frame structure according to claim 1, characterized in that: The outer surface of the main side tube (2) is fixedly connected to a second connection block (10), the side surface of the second connection block (10) is fixedly connected to the upper side tube (5), and the interior of the second connection block (10) is fixedly connected to a nut (4).

6. A stable two-wheeled vehicle frame structure according to claim 1, characterized in that: One end of the main side tube (2) away from the main beam tube (1) is fixedly connected to a support seat (11), and the number of the support seats (11) is two and they are symmetrically distributed.

7. A stable two-wheeled vehicle frame structure according to claim 1, characterized in that: An upper mounting bracket (12) is fixedly connected to the side surface of the main side tube (2), a first transverse plate (13) is fixedly connected to the side surface of the upper mounting bracket (12), and bolts (14) are provided through the interior of the upper mounting bracket (12).

8. A stable two-wheeled vehicle frame structure according to claim 1, characterized in that: The outer surface of the main side tube (2) is fixedly connected to a second transverse plate (15), and the lower surface of the main side tube (2) is fixedly connected to a lower mounting bracket (16).

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