Lightweight electric bicycle

Abstract

The utility model relates to the technical field of electric bicycles, in particular to a light-weight electric bicycle which comprises a bicycle body, a cover plate, a fixing seat, a limiting frame, a battery body and a mounting shell. A frame is arranged on the vehicle body, the fixing seat is connected with the frame, the mounting shell is connected with the fixing seat, the limiting frame is slidably connected with the inner wall of the mounting shell, and the battery body is placed in the limiting frame; the cover plate is connected with one end of the limiting frame, two limiting assemblies are arranged on the mounting shell, the cover plate is pressed at one end of the mounting shell, and the limiting assemblies are connected with the cover plate in a matched mode. According to the utility model, the mounting shell plays a role in protecting the battery body, the limiting assembly is opened, the spring b pushes out the limiting frame, the cover plate and the limiting frame are taken out from the side surface of the mounting shell, the battery body can be further taken out, the battery body is convenient to take out and mount, and the mounting shell plays a role in preventing collision of the waterproof box.

Description

Technical Field

[0001] The utility model relates to the technical field of electric bicycles, in particular to a lightweight electric bicycle. Background Art

[0002] An electric bicycle is a vehicle that uses a battery as an auxiliary energy source and is based on a conventional bicycle, equipped with a motor, controller, battery, throttle, brake handles, and other control components, as well as a display instrument system. Compared to cars, electric bicycles offer advantages such as low energy consumption, zero pollution, and ease of use. While the advent of electric bicycles has brought convenience to people's daily lives, conventional electric bicycles are bulky and difficult to store.

[0003] The Chinese patent with authorization announcement number CN113734329B discloses a multifunctional foldable electric bicycle, including an electric bicycle frame and a seat fixed on the electric bicycle frame, and also including a battery placement rack fixed on the electric bicycle frame, the battery placement rack is located at the oblique lower side of the seat, a socket is provided at the bottom inner side of the battery placement rack, an inner wall of the bottom of the socket is provided with an internal thread, a cylinder is provided in the battery placement rack for sliding and rotating, a placement opening is provided on the cylinder, a fixing component is provided on the inner wall of the placement opening, a driving ring for driving the fixing component to fix the battery is fixed at the bottom inner side of the battery placement rack, a connecting column is fixed at the bottom of the cylinder, an external thread is provided on the outer wall of the lower end of the connecting column, the external thread cooperates with the internal thread, an elastic component is provided between the connecting column and the socket, and an auxiliary component for assisting in removing the battery is provided on the inner side of the placement opening, which has the function of being easy to disassemble and assemble, and easy to remove and put in.

[0004] However, the above technical solution has the following defects: the battery of the multifunctional foldable electric bicycle is installed on the frame, the battery is exposed to the outside and is easily damaged, and the battery has a safety hazard when it is exposed to rain and is inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the background technology and to provide a lightweight electric bicycle.

[0006] The technical solution of the utility model is: a lightweight electric bicycle, comprising a body, a cover, a fixing seat, a limiting frame, a battery body and a mounting shell;

[0007] The vehicle body is provided with a vehicle frame, a fixing seat is connected to the vehicle frame, a mounting shell is connected to the fixing seat, a limiting frame is slidably connected to the inner wall of the mounting shell, and the battery body is placed in the limiting frame;

[0008] The cover plate is connected to one end of the limit frame, and two limit assemblies are provided on the mounting shell. The cover plate is pressed tightly against one end of the mounting shell, and the limit assemblies are matched and connected with the cover plate.

[0009] Preferably, the limiting assembly includes a fixing portion, a slider, a spring a and a stopper;

[0010] The fixing part is connected to the surface of the mounting shell, a blind hole is provided in the fixing part, a stopper is slidably connected to the inner wall of the blind hole, a spring a is connected to the end of the blind hole and the stopper, and the spring a is in a compressed state;

[0011] The slider is connected to the stopper, the fixing portion is provided with a through hole, and the slider is slidably connected to the through hole.

[0012] Preferably, a plurality of protrusions are provided on the inner wall of the limiting frame, the protrusions are evenly distributed on the inner wall of the limiting frame, the protrusions are elastic structures, and the protrusions are pressed tightly against the surface of the battery body.

[0013] Preferably, a plurality of mounting blocks are provided at the lower end of the limiting frame, a plurality of mounting grooves are provided on the inner wall of the mounting shell, and the mounting blocks are connected to the corresponding mounting grooves in a sliding fit.

[0014] Preferably, the projection shape of the mounting block is a dovetail shape, and the shape of the mounting groove corresponds to the shape of the mounting block.

[0015] Preferably, a plurality of springs b are provided on the inner wall of the mounting shell, and the surface of the limit frame is at the end of the spring b in the mounted state.

[0016] Preferably, a storage basket is provided on the frame and is located below the seat cushion.

[0017] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects:

[0018] In the utility model, the mounting shell plays the role of protecting the battery body. When the limit assembly is opened, the spring B pushes out the limit frame, and the cover plate and the limit frame are taken out from the side of the mounting shell. Then, the battery body can be taken out. The battery body is easy to take out and install, and the mounting shell plays the role of a waterproof box to prevent collision. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional diagram of a lightweight electric bicycle proposed by the present invention.

[0020] Figure 2 This is a structural schematic diagram of a mounting shell in a lightweight electric bicycle proposed by the present invention.

[0021] Figure 3 This is a schematic diagram of the structure of the interior of the installation shell in an embodiment of the present invention.

[0022] Figure 4 for Figure 3 Schematic diagram of the internal structure at A in the middle.

[0023] Figure numerals: 1, frame; 2, storage basket; 3, body; 4, cover; 5, fixing part; 6, spring b; 7, fixing seat; 8, limit frame; 9, battery body; 10, protrusion; 11, mounting shell; 12, mounting groove; 13, slider; 14, spring a; 15, stopper. DETAILED DESCRIPTION

[0024] Example 1

[0025] like Figures 1-4 As shown, the utility model proposes a lightweight electric bicycle, comprising a body 3, a cover plate 4, a fixing seat 7, a limiting frame 8, a battery body 9 and a mounting shell 11;

[0026] The vehicle body 3 is provided with a frame 1, a fixing seat 7 connected to the frame 1, a mounting shell 11 connected to the fixing seat 7, the mounting shell 11 is located below the seat cushion, a limiting frame 8 is slidably connected to the inner wall of the mounting shell 11, the battery body 9 is placed in the limiting frame 8, and the opening of the mounting shell 11 is located on the side;

[0027] Furthermore, a storage basket 2 is provided on the frame 1 and is located below the seat cushion;

[0028] The cover plate 4 is connected to one end of the limit frame 8, and two limit assemblies are provided on the mounting shell 11. The cover plate 4 is pressed tightly against one end of the mounting shell 11, and the limit assemblies are connected with the cover plate 4;

[0029] Furthermore, a plurality of springs b6 are provided on the inner wall of the mounting shell 11. In the mounted state, the limiting assembly presses the surface of the cover plate 4, and the surface of the limiting frame 8 is at the end of the spring b6.

[0030] In the present invention, the mounting shell 11 plays a role in protecting the battery body 9. When the limit assembly is opened, the spring b6 pushes the limit frame 8 out, and the cover plate 4 and the limit frame 8 are taken out from the side of the mounting shell 11. The battery body 9 can be further taken out. The battery body 9 is easy to take out and install, and the mounting shell 11 plays the role of a waterproof box to prevent collision.

[0031] Example 2

[0032] like Figure 3-Figure 4 As shown, the present invention provides a lightweight electric bicycle. Compared with the first embodiment, the limiting assembly in this embodiment includes a fixing portion 5, a slider 13, a spring a14 and a stopper 15;

[0033] The fixing portion 5 is connected to the surface of the mounting shell 11 , a blind hole is provided in the fixing portion 5 , the stopper 15 is slidably connected to the inner wall of the blind hole, a spring a14 connects the blind hole and the end of the stopper 15 , and the spring a14 is in a compressed state.

[0034] In this embodiment, the stopper 15 is pressed against the surface of the cover plate 4, and the sliding slider 13 drives the stopper 15 to move the rod away from the cover plate 4, so that the cover plate 4 and the limit frame 8 can be taken out; when the limit frame 8 is installed, the stopper 15 is pressed against the outer surface of the cover plate 4, and the limit assembly is easy to operate.

[0035] Example 3

[0036] like Figure 2-Figure 3 As shown, the utility model proposes a lightweight electric bicycle. Compared with the first embodiment, in this embodiment, a plurality of protrusions 10 are provided on the inner wall of the limit frame 8. The protrusions 10 are evenly distributed on the inner wall of the limit frame 8. The protrusions 10 are elastic structures and are pressed tightly against the surface of the battery body 9.

[0037] A plurality of mounting blocks are provided at the lower end of the limiting frame 8 , and a plurality of mounting grooves 12 are provided on the inner wall of the mounting shell 11 . The mounting blocks are slidably connected with the corresponding mounting grooves 12 .

[0038] Furthermore, the projection shape of the mounting block is a dovetail shape, and the shape of the mounting groove 12 corresponds to the shape of the mounting block.

[0039] In this embodiment, the protrusions 10 create a gap between the battery body 9 and the limiting frame 8 to facilitate heat dissipation. The protrusions 10 are all elastic structures and serve to protect the battery body 9.

[0040] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A lightweight electric bicycle, characterized in that: It comprises a vehicle body (3), a cover plate (4), a fixing seat (7), a limiting frame (8), a battery body (9) and a mounting shell (11); A vehicle frame (1) is provided on the vehicle body (3); a fixing seat (7) is connected to the vehicle frame (1); a mounting shell (11) is connected to the fixing seat (7); a limiting frame (8) is slidably connected to the inner wall of the mounting shell (11); and a battery body (9) is placed in the limiting frame (8); The cover plate (4) is connected to one end of the limiting frame (8), and two limiting components are provided on the mounting shell (11). The cover plate (4) is pressed tightly against one end of the mounting shell (11), and the limiting components are connected in a coordinated manner with the cover plate (4).

2. A lightweight electric bicycle according to claim 1, characterized in that: The limiting assembly includes a fixing portion (5), a slider (13), a spring a (14) and a stopper (15); The fixing portion (5) is connected to the surface of the mounting shell (11), a blind hole is provided in the fixing portion (5), a stopper (15) is slidably connected to the inner wall of the blind hole, a spring a (14) is connected to the end of the blind hole and the stopper (15), and the spring a (14) is in a compressed state; The slider (13) is connected to the stopper (15), the fixing portion (5) is provided with a through hole, and the slider (13) is slidably connected to the through hole.

3. A lightweight electric bicycle according to claim 1, characterized in that: The inner wall of the limiting frame (8) is provided with a plurality of protrusions (10), the protrusions (10) are evenly distributed on the inner wall of the limiting frame (8), the protrusions (10) are elastic structures, and the protrusions (10) are pressed tightly against the surface of the battery body (9).

4. A lightweight electric bicycle according to claim 1, characterized in that: The lower end of the limiting frame (8) is provided with a plurality of mounting blocks, the inner wall of the mounting shell (11) is provided with a plurality of mounting grooves (12), and the mounting blocks are connected to the corresponding mounting grooves (12) in a sliding manner.

5. A lightweight electric bicycle according to claim 4, characterized in that: The projection shape of the mounting block is a dovetail shape, and the shape of the mounting groove (12) corresponds to the shape of the mounting block.

6. A lightweight electric bicycle according to claim 1, characterized in that: The inner wall of the installation shell (11) is provided with a plurality of springs b (6), and the surface of the limit frame (8) is at the end of the spring b (6) in the installation state.

7. A lightweight electric bicycle according to claim 1, characterized in that: A storage basket (2) is provided on the vehicle frame (1), and the storage basket (2) is located below the seat cushion.

Images