Modularized quick-disassembly type electric bicycle frame

Abstract

The utility model discloses a modularized quick-disassembly type electric bicycle frame which comprises a first bicycle frame, a second bicycle frame welded to the front end of the first bicycle frame and a third bicycle frame welded to the rear end of the first bicycle frame, a beam rod is welded to the front portion in a frame body of the first bicycle frame, and a welding strip is welded to the lower surface of the outer wall of the third bicycle frame. And side edge blocks are welded to the bottoms of the welding strips. According to the modularized quick-disassembly type electric bicycle frame, damping springs are installed between two sets of damping spring seats, a welding bridge installed on the upper surface of the third frame is matched with a first welding rod to be connected with a second welding rod and used for supporting a rear seat, and a welding piece installed on one side edge of the frame is matched with an upper spring to be connected with a supporting foot hinged to the inner side of the welding piece. The supporting column is used for supporting a frame, the connecting rod installed on the top of the supporting column is used for installing a handlebar assembly, and the damping spring is installed below the damping spring installation base and used for building and supporting a front wheel.

Description

Technical Field

[0001] This utility model relates to the field of bicycle frames, specifically a modular quick-release electric bicycle frame. Background Technology

[0002] With the increasing emphasis on environmentally friendly travel in modern society and the worsening of urban traffic congestion, electric bicycles, as a convenient and efficient mode of transportation, are gradually gaining popularity. Especially in urban commuting scenarios, modular and easily disassembled electric bicycle frame designs have become a focus of research and development. However, traditional electric bicycle frames have significant shortcomings in terms of structural complexity and ease of disassembly, making it difficult to meet users' diverse needs for vehicle assembly, maintenance, and transportation. Utility Model Content

[0003] The purpose of this invention is to provide a modular quick-release electric bicycle frame to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A modular quick-release electric bicycle frame includes a first frame, a second frame welded to the front end of the first frame, and a third frame welded to the rear end of the first frame. A beam is welded to the front part of the frame of the first frame. A welding strip is welded to the lower surface of the outer wall of the third frame. A side block is welded to the bottom of the welding strip. An inner axle is rotatably connected to the upper inner part of the side block. An outer axle is fixedly connected to the outer wall of the inner axle. A wheel frame is fixedly connected to the outer wall of the outer axle. A support frame is fixedly connected to the rear part of the frame of the first frame. A support column is fixedly connected to the top of the second frame.

[0006] As a further embodiment of this utility model: a vertical strip is welded to the center of the lower surface of the crossbeam of the support frame, a second frame is installed at the bottom of the vertical strip, a square frame strip is provided on the outer wall of the second frame, and the square frame strip is welded and fixed to the rear part of the frame of the second frame.

[0007] As a further embodiment of this utility model: a welding plate is fixedly connected to the outer wall of the frame, a support foot is hinged to the outer wall of the welding plate, and a spring is hinged to the lower surface of the support foot and the inner side of the welding plate.

[0008] As a further embodiment of this utility model: a welding bridge is welded to the upper surface of the frame three, and connecting strips are fixedly connected to both the left and right sides of the upper surface of the welding bridge, and a welding rod is fixedly connected to one end of the connecting strip.

[0009] As a further improvement of this utility model: a welding rod 2 is provided above the frame 3, and the welding rod 2 is welded and fixed to the rear frame of the welding bridge.

[0010] As a further embodiment of this utility model: a damping spring mounting seat is welded to the front end of the support column, a connecting rod is installed on the top of the damping spring mounting seat, and a basket frame is welded to the front surface of the outer wall of the damping spring mounting seat.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In this utility model, the wheel frame is used for positioning and mounting the rear wheel. It works in conjunction with the damping spring seat mounted on the wheel frame and the damping spring seat under the frame three to achieve shock absorption. This can be achieved by installing a damping spring between the two sets of damping spring seats. The welded bridge mounted on the upper surface of the frame three, in conjunction with the connection of welded rod one and welded rod two, is used to support the rear seat. The welded plate mounted on one side of the frame, in conjunction with the spring, is connected to the support leg hinged to the inside of the welded plate to support the frame. The connecting rod mounted on the top of the support column is used to install the handlebar assembly. The damping spring is installed under the damping spring mounting seat to support and mount the front wheel. Its structure is more optimized and its design is more reasonable. Attached Figure Description

[0013] Figure 1 This is a structural diagram of a modular quick-release electric bicycle frame.

[0014] Figure 2 This is a structural diagram of frame three in a modular quick-release electric bicycle frame.

[0015] Figure 3 This is an assembly diagram of the support columns and components in a modular quick-release electric bicycle frame.

[0016] Figure 4 This is a structural diagram of frame three in a modular quick-release electric bicycle frame.

[0017] In the diagram: Frame 1, Frame 2, Support leg, Welding plate, Spring, Beam rod, Support frame, Welding strip, Vertical bar, Square frame strip, Outer axle, Side block, Frame 3, Support column, Basket frame, Connecting rod, Damping spring mounting seat, Wheel frame, Welding rod 1, Welding bridge, Welding rod 2, Inner axle rod. Detailed Implementation

[0018] 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.

[0019] Please see Figures 1-4 In this embodiment of the utility model, a modular quick-release electric bicycle frame includes a frame 1, a frame 2 welded to the front end of the frame 1, and a frame 3 13 welded to the rear end of the frame 1. A beam 6 is welded to the front part of the frame of the frame 1. A welding strip 8 is welded to the lower surface of the outer wall of the frame 3 13. A side block 12 is welded to the bottom of the welding strip 8. An inner axle 22 is rotatably connected to the upper inner part of the side block 12. An outer axle 11 is fixedly connected to the outer wall of the inner axle 22. A wheel frame 18 is fixedly connected to the outer wall of the outer axle 11. A support frame 7 is fixedly connected to the rear part of the frame of the frame 1. A support column 14 is fixedly connected to the top of the frame 2.

[0020] A vertical strip 9 is welded to the center of the lower surface of the crossbeam of the support frame 7. A second frame 2 is installed at the bottom of the vertical strip 9. A square frame strip 10 is provided on the outer wall of the second frame 2. The square frame strip 10 is welded and fixed to the rear part of the frame of the second frame 2.

[0021] A welding plate 4 is fixedly connected to the outer wall of the frame 1. A support leg 3 is hinged to the outer wall of the welding plate 4. A spring 5 is hinged to the lower surface of the support leg 3 and the inner side of the welding plate 4.

[0022] The upper surface of the frame 313 is welded with a welding bridge 20. The upper surface of the welding bridge 20 is fixedly connected with connecting strips on both the left and right sides, and one end of the connecting strip is fixedly connected with a welding rod 19.

[0023] A welding rod 21 is installed above the frame 3 13, and the welding rod 21 is welded and fixed to the rear frame of the welding bridge 20.

[0024] A damping spring mounting base 17 is welded to the front end of the support column 14, a connecting rod 16 is installed on the top of the damping spring mounting base 17, and a basket frame 15 is welded to the front surface of the outer wall of the damping spring mounting base 17.

[0025] The working principle of this utility model is as follows:

[0026] Welding: Weld frame 1, frame 2, and frame 3 to form the lower frame support;

[0027] After the support frame 7, the square frame strip 10 and the welding strip 8 are welded to the outer wall of the frame 13, the support frame 7, together with the vertical strip 9 and the square frame strip 10, is used to support the side block 12. The welding strip 8, together with the side block 12, is used to fix the welding rod 21. The outer shaft 11 fixed to the outer wall of the welding rod 21 is used to fix it to the wheel frame 18.

[0028] The wheel frame 18 is used for positioning and installing the rear wheel. It works in conjunction with the damping spring seat installed on the wheel frame 18 and the damping spring seat under the frame 13 to achieve shock absorption. This can be achieved by installing a damping spring between the two sets of damping spring seats.

[0029] The welding bridge 20, installed on the upper surface of the frame 3 13, is connected to the welding rod 19 and the welding rod 21 to support the rear seat.

[0030] The welding plate 4 installed on the side of the frame 1 is connected to the spring 5 and the support leg 3 hinged to the inside of the welding plate 4 for the support of the frame.

[0031] The connecting rod 16 installed on the top of the support column 14 is used for mounting the handlebar assembly, and the damping spring is installed under the damping spring mount 17 for mounting and supporting the front wheel of the vehicle.

[0032] The application pertains to a bicycle frame used for cargo. The entire frame is welded as one piece, but the connecting brackets of the remaining parts are fixed, making it more convenient and faster to disassemble and reassemble the vehicle later.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A modular quick-release electric bicycle frame, comprising a frame one (1), a frame two (2) welded to the front end of the frame one (1), and a frame three (13) welded to the rear end of the frame one (1), characterized in that: A beam rod (6) is welded to the front part of the frame of the first frame (1). A welding strip (8) is welded to the lower surface of the outer wall of the third frame (13). A side block (12) is welded to the bottom of the welding strip (8). An inner axle rod (22) is rotatably connected to the upper part of the inner side of the side block (12). An outer axle (11) is fixedly connected to the outer wall of the inner axle rod (22). A wheel frame (18) is fixedly connected to the outer wall of the outer axle (11). A support frame (7) is fixedly connected to the rear part of the frame of the first frame (1). A support column (14) is fixedly connected to the top of the second frame (2).

2. The modular quick-release electric bicycle frame according to claim 1, characterized in that: A vertical strip (9) is welded to the center of the lower surface of the crossbeam of the support frame (7). A second frame (2) is installed at the bottom of the vertical strip (9). A square frame strip (10) is provided on the outer wall of the second frame (2). The square frame strip (10) is welded and fixed to the rear part of the frame of the second frame (2).

3. The modular quick-release electric bicycle frame according to claim 1, characterized in that: The outer wall of the frame (1) is fixedly connected to a welding plate (4), and the outer wall of the welding plate (4) is hinged to a support foot (3). The lower surface of the support foot (3) is hinged to the inner side of the welding plate (4) with a spring (5).

4. A modular quick-release electric bicycle frame according to claim 1, characterized in that: The upper surface of the frame three (13) is welded with a welding bridge (20), and the upper surface of the welding bridge (20) is fixedly connected with connecting strips on both the left and right sides, and one end of the connecting strip is fixedly connected with a welding rod one (19).

5. A modular quick-release electric bicycle frame according to claim 1, characterized in that: A welding rod (21) is provided above the frame three (13), and the welding rod (21) is welded and fixed to the rear frame of the welding bridge (20).

6. A modular quick-release electric bicycle frame according to claim 1, characterized in that: The front end of the support column (14) is welded with a damping spring mounting seat (17), the top of the damping spring mounting seat (17) is equipped with a connecting rod (16), and the front surface of the outer wall of the damping spring mounting seat (17) is welded with a basket frame (15).

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