Electric bicycle with battery cavity under opening cover

Abstract

The utility model discloses an electric bicycle of battery cavity uncovers the lid, belongs to electric bicycle technical field, including the frame, the front end rotation of frame is connected with the front wheel, and the handle is connected with the front fork upper end of front wheel, and the tail of frame is rotatably connected with rear wheel, and the middle installation of rear wheel has drive motor, and the side lower extreme of frame is provided with battery cabin, and the middle installation of battery cabin has battery body, the utility model sets up battery cabin, and battery body is inserted in the middle of battery stand, and the lower socket is inserted into the rotating seat, and the upper pull block makes reset spring one compression, and the bolt is collected into the storage groove one, and the battery stand is pushed to make battery body rotate and enter the installation groove, and the bolt moves under the elastic force of reset spring one, and the bolt is inserted into the insertion hole, makes battery body quick installation fixed, saves time and labour, and the convenient dismouting uses, and the security is high.

Description

Technical Field

[0001] This utility model belongs to the field of electric bicycle technology, specifically relating to an electric bicycle with a bottom-opening battery compartment. Background Technology

[0002] An electric bicycle is a vehicle that uses a battery as auxiliary power and is based on a regular bicycle, with the addition of a motor, controller, battery, throttle, brake levers, and other control components, as well as a display instrument system. It has a pedal-assist function, a maximum design speed of no more than 25 km / h, a weight of less than or equal to 55 kg, and an output power of no more than 400 W.

[0003] Existing electric bicycles with bottom-opening battery compartments have the following drawbacks: the existing battery cover is located on top, which reduces safety, and removing the battery is troublesome, time-consuming, and laborious, causing inconvenience in use.

[0004] In view of this, an electric bicycle with a bottom-opening battery compartment is designed to solve the above problems. Utility Model Content

[0005] To address the problems mentioned in the background section, this invention provides an electric bicycle with a bottom-opening battery compartment, which features good safety and convenient battery installation and removal.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an electric bicycle with a battery compartment that opens from the bottom, comprising a frame, a front wheel rotatably connected to the front end of the frame, a handlebar connected to the upper end of the front fork of the front wheel, a rear wheel rotatably connected to the rear end of the frame, a drive motor installed in the middle of the rear wheel, a battery compartment provided at the lower end of the side of the frame, and a battery body installed in the middle of the battery compartment.

[0007] The battery compartment includes a compartment body, the interior of which has an installation slot. A spring fixing pin is provided at the upper end of the installation slot. A rotating seat is movably connected to the bottom of the installation slot. A connecting plug is installed in the middle of the rotating seat. A lower socket is inserted into the middle of the rotating seat. A battery rack is provided at the upper end of the lower socket. A battery body is snapped into the side of the battery rack. An insertion hole is provided in the middle of the upper end of the side of the battery rack.

[0008] Preferably, the bottom of the battery rack is inserted and fixed to the rotating seat, and the rotating seat is rotatably connected to the cabin via a damping shaft.

[0009] Preferably, a magnet is fixed to the lower side of the lower socket, and the magnet is magnetically attracted to the side of the rotating seat.

[0010] Preferably, the spring fixing pin includes a pin, a storage groove is provided at the upper side of the cabin, a return spring is fixed at the upper inner wall of the storage groove, a lever is connected to the lower end of the return spring, and a pin is connected to the bottom center of the lever.

[0011] Preferably, the pin is always inserted into the socket under the elastic force of the return spring.

[0012] Preferably, an ejection assembly is provided on the upper part of the interior of the cabin, the ejection assembly includes a top block, a storage groove is provided on the upper part of the inner wall of the cabin, a return spring is connected inside the storage groove, and the top block is connected to the side of the return spring.

[0013] Preferably, the inner wall of the top block is always in contact with the inner wall of the second storage slot.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model features a battery compartment with the battery body inserted into the middle of the battery rack. The lower socket is inserted into the rotating seat. Pulling up the lever compresses the first return spring, causing the pin to retract into the first storage slot. Pushing the battery rack causes the battery body to rotate and enter the mounting slot. Releasing the lever causes the pin to move under the elastic force of the first return spring and insert into the socket, allowing the battery body to be quickly installed and fixed. This saves time and effort, is convenient for disassembly and assembly, and is highly safe.

[0016] 2. This utility model is equipped with an ejector assembly. The battery body rotates into the mounting groove, the top block is squeezed and retracted into the storage groove, the reset spring is compressed, the pin disengages from the insertion hole, the top block moves under the elastic force of the reset spring, and the top block pushes the battery body to rotate along the rotating shaft of the rotating seat, and the battery body separates from the mounting groove. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the battery compartment structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the ejection assembly structure of this utility model;

[0020] In the diagram: 1. Front wheel; 2. Handlebars; 3. Frame; 4. Rear wheel; 5. Drive motor; 6. Battery compartment; 61. Compartment; 62. Mounting slot; 63. Spring retaining pin; 631. Storage slot one; 632. Return spring one; 633. Toggle block; 634. Pin; 64. Connecting plug; 65. Socket; 66. Battery rack; 67. Magnet block; 68. Lower socket; 69. Rotating seat; 7. Ejection assembly; 71. Ejector block; 72. Return spring two; 73. Storage slot two; 8. Battery body. Detailed Implementation

[0021] 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.

[0022] Example 1

[0023] Please see Figure 1-3 The present invention provides the following technical solution: an electric bicycle with a battery compartment opening at the bottom, including a frame 3, a front wheel 1 rotatably connected to the front end of the frame 3, a handlebar 2 connected to the upper end of the front fork of the front wheel 1, a rear wheel 4 rotatably connected to the rear end of the frame 3, a drive motor 5 installed in the middle of the rear wheel 4, a battery compartment 6 provided at the lower end of the side of the frame 3, and a battery body 8 installed in the middle of the battery compartment 6.

[0024] The battery compartment 6 includes a compartment body 61. The compartment body 61 has an installation groove 62 inside. A spring fixing pin 63 is provided at the upper end of the installation groove 62. A rotating seat 69 is movably connected to the bottom of the installation groove 62. A connecting plug 64 is installed in the middle of the rotating seat 69. A lower socket 68 is inserted into the middle of the rotating seat 69. A battery rack 66 is provided at the upper end of the lower socket 68. A battery body 8 is snapped into the side of the battery rack 66. An insertion hole 65 is provided in the middle of the upper end of the side of the battery rack 66.

[0025] Specifically, the bottom of the battery rack 66 is inserted and fixed to the rotating seat 69, and the rotating seat 69 is rotatably connected to the cabin 61 through a damping shaft.

[0026] By adopting the above technical solution, the stability of the rotating seat 69 and the battery rack 66 is improved.

[0027] Specifically, a magnet 67 is fixed to the lower side of the lower socket 68, and the magnet 67 is magnetically fixed to the side of the rotating seat 69.

[0028] By adopting the above technical solution,

[0029] Specifically, the spring fixing pin 63 includes a pin 634, a storage groove 631 is provided on the upper side of the compartment 61, a return spring 632 is fixed on the upper inner wall of the storage groove 631, a toggle block 633 is connected to the lower end of the return spring 632, and a pin 634 is connected to the bottom center of the toggle block 633.

[0030] By adopting the above technical solution, pulling up the lever 633 compresses the return spring 632, and the pin 634 is retracted into the storage slot 631. Pushing the battery holder 66 causes the battery body 8 to rotate into the mounting slot 62. Releasing the lever 633 causes the pin 634 to move under the elastic force of the return spring 632 and insert into the socket 65, so that the battery body 8 can be quickly installed and fixed, saving time and effort.

[0031] Specifically, the pin 634 is always inserted into the socket 65 under the elastic force of the return spring 632.

[0032] By adopting the above technical solution, the battery body 8 can be quickly installed and fixed, and is not easy to detach.

[0033] In this embodiment, the battery body 8 is inserted into the middle of the battery rack 66, the lower socket 68 is inserted into the rotating seat 69, the pull block 633 is pulled up to compress the return spring 632, the pin 634 is retracted into the storage slot 631, the battery rack 66 is pushed to rotate the battery body 8 into the mounting slot 62, the pull block 633 is released, the pin 634 moves under the elastic force of the return spring 632, the pin 634 is inserted into the socket 65, so that the battery body 8 can be quickly installed and fixed, saving time and effort, and making it convenient to disassemble and use, making the electric bicycle convenient to use;

[0034] Example 2

[0035] The difference between this embodiment and embodiment 1 is that: an ejection assembly 7 is provided on the upper part of the interior of the cabin 61, the ejection assembly 7 includes a top block 71, a second storage groove 73 is provided on the upper part of the inner wall of the cabin 61, a second reset spring 72 is connected inside the second storage groove 73, and the top block 71 is connected to the side of the second reset spring 72.

[0036] By adopting the above technical solution, the battery body 8 rotates into the mounting groove 62, the top block 71 is squeezed and retracted into the storage groove 73, the reset spring 72 is compressed, the pin 634 disengages from the socket 65, the top block 71 moves under the elastic force of the reset spring 72, the top block 71 pushes the battery body 8 to rotate along the axis of the rotating seat 69, and the battery body 8 separates from the mounting groove 62.

[0037] Specifically, the inner wall of the top block 71 is always in contact with the inner wall of the storage slot 73.

[0038] By adopting the above technical solution, it is ensured that the top block 71 can move stably in the second storage slot 73.

[0039] In this embodiment, the battery body 8 rotates into the mounting groove 62, the top block 71 is squeezed and retracted into the storage groove 73, the reset spring 72 is compressed, the pin 634 disengages from the socket 65, the top block 71 moves under the elastic force of the reset spring 72, the top block 71 pushes the battery body 8 to rotate along the axis of the rotating seat 69, and the battery body 8 separates from the mounting groove 62.

[0040] The working principle and usage process of this utility model are as follows: When using this utility model, the battery body 8 is inserted into the middle of the battery rack 66, the lower socket 68 is inserted into the rotating seat 69, the upper lever 633 compresses the first return spring 632, the pin 634 is retracted into the first storage groove 631, the battery rack 66 is pushed to make the battery body 8 rotate into the mounting groove 62, the lever 633 is released, the pin 634 moves under the elastic force of the first return spring 632, the pin 634 is inserted into the socket 65, so that the battery body 8 is quickly installed and fixed, saving time and effort, and making it convenient to disassemble and use, making electric bicycles convenient to use; the battery body 8 rotates into the mounting groove 62, the top block 71 is squeezed into the second storage groove 73, the second return spring 72 is compressed, the pin 634 is disengaged from the socket 65, the top block 71 moves under the elastic force of the second return spring 72, the top block 71 pushes the battery body 8 to rotate along the rotating shaft of the rotating seat 69, and the battery body 8 separates from the mounting groove 62.

[0041] 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 with a bottom-opening battery compartment, comprising a frame (3), characterized in that: The front end of the frame (3) is rotatably connected to a front wheel (1), the upper end of the front fork of the front wheel (1) is connected to a handlebar (2), the rear end of the frame (3) is rotatably connected to a rear wheel (4), a drive motor (5) is installed in the middle of the rear wheel (4), a battery compartment (6) is provided at the lower end of the side of the frame (3), and a battery body (8) is installed in the middle of the battery compartment (6). The battery compartment (6) includes a compartment body (61), and an installation slot (62) is provided inside the compartment body (61). A spring fixing pin (63) is provided at the upper end of the installation slot (62). A rotating seat (69) is movably connected to the bottom of the installation slot (62). A connecting plug (64) is installed in the middle of the rotating seat (69). A lower socket (68) is inserted into the middle of the rotating seat (69). A battery rack (66) is provided at the upper end of the lower socket (68). A battery body (8) is snapped into the side of the battery rack (66). A socket (65) is provided in the middle of the upper end of the side of the battery rack (66).

2. An electric bicycle with a bottom-opening battery compartment according to claim 1, characterized in that: The bottom of the battery rack (66) is inserted and fixed to the rotating seat (69), and the rotating seat (69) is rotatably connected to the cabin (61) through a damping shaft.

3. An electric bicycle with a bottom-opening battery compartment according to claim 1, characterized in that: A magnet (67) is fixed to the lower side of the lower socket (68), and the magnet (67) is magnetically attracted to the side of the rotating seat (69).

4. An electric bicycle with a bottom-opening battery compartment according to claim 1, characterized in that: The spring fixing pin (63) includes a pin (634). The upper side of the cabin (61) is provided with a storage groove (631). The upper inner wall of the storage groove (631) is fixed with a reset spring (632). The lower end of the reset spring (632) is connected to a lever (633). The bottom of the lever (633) is connected to a pin (634).

5. An electric bicycle with a bottom-opening battery compartment according to claim 4, characterized in that: The pin (634) is always inserted into the socket (65) under the elastic force of the return spring (632).

6. An electric bicycle with a bottom-opening battery compartment according to claim 1, characterized in that: An ejection assembly (7) is provided above the interior of the cabin (61). The ejection assembly (7) includes a top block (71). A storage slot (73) is provided above the inner wall of the cabin (61). A reset spring (72) is connected inside the storage slot (73). The top block (71) is connected to the side of the reset spring (72).

7. An electric bicycle with a bottom-opening battery compartment according to claim 6, characterized in that: The inner wall of the top block (71) is always in contact with the inner wall of the storage slot (73).

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