An electric bicycle frame made of profiles and plates welded together and connected by rivets.

Abstract

This utility model discloses an electric bicycle frame made of welded profiles and plates, connected by rivets. It includes a buffer protection structure, with a plate riveted to the lower end of the buffer protection structure. A support frame is riveted to the side end of the plate by a first rivet. A saddle bracket is welded to the lower end of the support frame, and a reinforcing frame is welded to the center of the support frame. The buffer protection structure provides top protection for the plate. A second support top frame is welded and fixed to the first support top frame. A vertical frame is welded to the side end of the second support top frame, and a second rivet is provided at the lower end of the vertical frame. The vertical frame is riveted to the plate by the second rivet. This utility model is an electric bicycle frame made of welded profiles and plates, connected by rivets. Through the structural design, it achieves the purpose of connecting and fixing the welded pipe electric bicycle frame.

Description

Technical Field

[0001] This utility model relates to the technical field of electric bicycle frame equipment, specifically an electric bicycle frame that is welded from profiles and plates and connected by rivets. Background Technology

[0002] The frame of an electric bicycle serves a supporting and protective function, forming the body structure of the electric bicycle, facilitating the placement of components such as batteries, and providing support and protection for the safety of riders and passengers.

[0003] Riveting can reduce welding processes in the frame production process, improve production efficiency, reduce frame production costs, and effectively achieve the functions of easy assembly and disassembly. However, most electric bicycle frames currently use welded structures, which need to be improved. Utility Model Content

[0004] The purpose of this utility model is to provide an electric bicycle frame that is welded from profiles and plates and connected by rivets, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an electric bicycle frame made of profile and plate welded together and connected by rivets, including a buffer protection structure, a plate riveted to the lower end of the buffer protection structure, a support frame riveted to the side end of the plate by a first rivet, a saddle bracket welded to the lower end of the support frame, and a reinforcing frame welded to the center of the support frame.

[0006] A buffer protection structure is used for top protection of the plate. The second support frame is welded and fixed to the first support frame. A vertical frame is welded to the side of the second support frame. The lower end of the vertical frame is equipped with a second rivet. The vertical frame is riveted to the plate by the second rivet. By installing the support frame, the plate is riveted to the reinforcing frame by the first rivet, which facilitates the subsequent disassembly of the plate. The lower end of the support frame is fixed to the saddle bracket. A reinforcing frame is fixed on the support frame to enhance the stability of the overall structure. At the same time, the buffer protection structure is located at the top of the plate and is also riveted to protect the top of the plate. The first and second support frames in the buffer protection structure are fixed and welded to the vertical frame. The vertical frame is riveted to the plate by the second rivet, which facilitates quick installation. In the event of an impact, the buffer protection structure can also absorb energy and protect the top of the plate.

[0007] Specifically, the buffer protection structure also includes a buffer component connected to the lower end of the second support top frame for the protection of the second support top frame.

[0008] Specifically, the buffer component includes a central frame, a docking block is fixedly provided at the lower end of the central frame, a spring guide rod is fixedly provided at the side end of the docking block, a first connecting plate is sleeved on the spring guide rod, a limit block is fixedly connected at the side end of the first connecting plate, and a second connecting plate is fixedly connected at the side end of the limit block.

[0009] Specifically, the upper end of the limiting block is connected to the spring, the spring is provided with a crossbar, and the spring is fixed to the first support top frame.

[0010] Specifically, the first connecting plate, the limiting block, and the second connecting plate form a V-shaped structure.

[0011] Specifically, the limiting block is fixed at the lower end of the second support top frame.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. By installing a support frame, plates are riveted to the reinforcing frame with first rivets, facilitating subsequent plate disassembly. The lower end of the support frame is fixed to the saddle bracket, and a reinforcing frame is fixed on the support frame to enhance the stability of the overall structure. At the same time, a buffer protection structure is set at the upper end of the plate, also riveted, to protect the top of the plate. The first and second support top frames inside the buffer protection structure are fixed and welded to the upright frame. The upright frame is riveted to the plate with second rivets, facilitating quick installation. In the event of an impact, the buffer protection structure can also absorb energy and provide top load protection.

[0014] 2. By installing buffer components, a buffer component is set at the lower end of the second support top frame to enhance protection and improve impact resistance. The limit block is fixed on the spring, and the lower end of the spring is equipped with a first connecting plate and a second connecting plate to form a V-shaped structure, which can absorb energy. At the same time, the first connecting plate is connected to the docking block through the spring guide rod, which can also absorb energy in the lateral position. A crossbar is set on the spring to facilitate the buffer protection of the limit block and to disperse the transmitted energy. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0016] Figure 2 This is a perspective view of the buffer protection structure of this utility model;

[0017] Figure 3 This is a perspective view of the second embodiment of the buffer protection structure of this utility model;

[0018] Figure 4 This is an exploded view of the second embodiment of the buffer protection structure of this utility model.

[0019] In the diagram: 1-Buffer protection structure; 2-Strengthening frame; 3-Support frame; 4-Plate; 5-First rivet; 6-Saddle bracket; 7-Second rivet; 8-Upright frame; 9-First support top frame; 10-Second support top frame; 11-Buffer component; 12-Center frame; 13-Connecting block; 14-Spring guide rod; 15-First connecting plate; 16-Limiting block; 17-Second connecting plate; 18-Crossbar; 19-Spring. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] Please see Figure 1-2 This utility model provides a technical solution: an electric bicycle frame made of profile and plate welded together and connected by rivets, including a buffer protection structure 1, a plate 4 riveted to the lower end of the buffer protection structure 1, a support frame 3 riveted to the side end of the plate 4 by a first rivet 5, a saddle bracket 6 welded to the lower end of the support frame 3, and a reinforcing frame 2 welded to the center of the support frame 3.

[0023] The buffer protection structure 1 is used for the top protection of the plate 4. The second support top frame 10 is welded and fixed to the first support top frame 9. The second support top frame 10 is welded to the side end of the upright frame 8. The lower end of the upright frame 8 is provided with the second rivet 7. The upright frame 8 is riveted to the plate 4 by the second rivet 7. The plate 4 is riveted to the support frame 3 and the reinforcing frame 2 by the first rivet 5, which facilitates the subsequent disassembly of the plate 4. The lower end of the support frame 3 is fixed to the saddle bracket 6. The reinforcing frame 2 is fixed on the support frame 3 to enhance the stability of the overall structure. At the same time, the buffer protection structure 1 is located at the top of the plate 4 and is also riveted to protect the top of the plate 4. The first support top frame 9 and the second support top frame 10 in the buffer protection structure 1 are fixed and welded to the upright frame 8. The upright frame 8 is riveted to the plate 4 by the second rivet 7, which facilitates quick installation. In the event of an impact, the buffer protection structure 1 can also absorb energy and provide top load protection.

[0024] Working principle: When needed, the user welds and fixes the reinforcing frame 2, support frame 3, and saddle bracket 6 together. Then, the plate 4 is riveted to the support frame 3 with the first rivet 5 for quick installation. A buffer protection structure 1 is riveted to the plate 4 for top protection. When impacted, the first support top frame 9 and the second support top frame 10 can absorb the impact kinetic energy through deformation, thus protecting the frame. The second support top frame 10 and the first support top frame 9 are connected to the plate 4 through the upright frame 8 and the second rivet 7 for quick installation and completion of the work.

[0025] Example 2

[0026] Based on Example 1, such as Figure 3-4 As shown, the buffer protection structure 1 also includes a buffer component 11, which is connected to the lower end of the second support top frame 10 and is used for the protection of the second support top frame 10.

[0027] The buffer component 11 includes a central frame 12, a docking block 13 is fixedly provided at the lower end of the central frame 12, a spring guide rod 14 is fixedly provided at the side end of the docking block 13, a first connecting plate 15 is sleeved on the spring guide rod 14, a limit block 16 is fixedly connected at the side end of the first connecting plate 15, and a second connecting plate 17 is fixedly connected at the side end of the limit block 16.

[0028] The upper end of the limiting block 16 is connected to the spring 19. The spring 19 is provided with a crossbar 18. The spring 19 is fixed to the first support top frame 9. By installing a buffer component 11, the lower end of the second support top frame 10 is provided with a buffer component 11 to strengthen the protection and improve the impact resistance. The limiting block 16 is fixed on the spring 19, and the lower end of the spring 19 is provided with a first connecting plate 15 and a second connecting plate 17, forming a V-shaped structure that can absorb energy. At the same time, the first connecting plate 15 is connected to the docking block 13 through the spring guide rod 14, which can also absorb energy in the lateral position. The crossbar 18 on the spring 19 also facilitates the buffer protection of the limiting block 16 and disperses the transmitted energy.

[0029] The first connecting plate 15, the limiting block 16, and the second connecting plate 17 form a V-shaped structure.

[0030] The limiting block 16 is fixed at the lower end of the second support top frame 10;

[0031] In use, the buffer component 11 is located at the lower end of the second support top frame 10 for the protection of the second support top frame 10, thereby performing secondary energy absorption. When subjected to force, the first connecting plate 15, the limiting block 16, and the second connecting plate 17 can be compressed and deformed to perform energy absorption. The limiting block 16 is fixed to the spring 19, and a crossbar 18 is also provided on the spring 19 for energy absorption protection during collision. The lower end of the first connecting plate 15 is connected to the docking block 13 through the spring guide rod 14 to perform bottom energy absorption. The center frame 12 is fixed to the second support top frame 10 to enhance the load-bearing capacity of the center position of the second support top frame 10.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electric bicycle frame made of profiles welded to plates and connected by rivets, characterized in that: It includes a buffer protection structure (1), a plate (4) is riveted to the lower end of the buffer protection structure (1), a support frame (3) is riveted to the side end of the plate (4) by a first rivet (5), a saddle bracket (6) is welded to the lower end of the support frame (3), and a reinforcing frame (2) is welded to the center of the support frame (3). A buffer protection structure (1) is used for the top protection of the plate (4). The second support top frame (10) is welded and fixed to the first support top frame (9). The second support top frame (10) is welded to the side end of the upright frame (8). The lower end of the upright frame (8) is provided with a second rivet (7). The upright frame (8) is riveted to the plate (4) by the second rivet (7).

2. The electric bicycle frame according to claim 1, which is welded to a profile and a plate and connected by rivets, is characterized in that: The buffer protection structure (1) further includes a buffer component (11), which is connected to the lower end of the second support top frame (10) for the protection of the second support top frame (10).

3. The electric bicycle frame according to claim 2, which is welded to a profile and a plate and connected by rivets, is characterized in that: The buffer component (11) includes a central frame (12), a docking block (13) is fixedly provided at the lower end of the central frame (12), a spring guide rod (14) is fixedly provided at the side end of the docking block (13), a first connecting plate (15) is sleeved on the spring guide rod (14), a limit block (16) is fixedly connected at the side end of the first connecting plate (15), and a second connecting plate (17) is fixedly connected at the side end of the limit block (16).

4. The electric bicycle frame according to claim 3, which is welded to a profile and a plate and connected by rivets, is characterized in that: The upper end of the limiting block (16) is connected to the spring (19), and the spring (19) is provided with a crossbar (18). The spring (19) is fixed to the first support top frame (9).

5. The electric bicycle frame according to claim 4, which is welded to a profile and a plate and connected by rivets, is characterized in that: The first connecting plate (15), the limiting block (16), and the second connecting plate (17) form a V-shaped structure.

6. The electric bicycle frame according to claim 5, which is welded to a profile and a sheet metal and connected by rivets, is characterized in that: The limiting block (16) is fixed at the lower end of the second support top frame (10).

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