An electric bicycle battery compartment assembly that is easy to replace and install
By designing an electric bicycle battery compartment set including a casing, lithium battery and auxiliary components, the sealing component is used to improve the sealing property, and the water infiltration problem caused by exposed connection parts of the power cord and lithium battery are solved, which significantly improves the protection and safety of the battery compartment set.
Patent Information
- Application Number
- CN202421369196.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-17
AI Technical Summary
In the existing electric bicycle battery compartment, the connection parts between the power cord and the lithium battery are exposed to the outside world, which is prone to seep into the water source, causing the plug to be short-circuited, and in severe cases, it will cause the lithium battery to catch fire.
An electric bicycle battery compartment group including a casing, a lithium battery and auxiliary components is designed. By setting the cooperation between the negative electrode magnet and the positive electrode magnet, the stability of the shielding cover is ensured, and the sealing property is improved through the sealing frame and the side baffle to ensure that the inside of the battery compartment group is in a closed state.
It effectively reduces the exposed internal structure of the battery compartment to the outside world, reduces the risk of rainwater suction at the power connection area, and improves the protection and safety of the battery compartment.
Smart Images

Figure CN222705717U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric bicycles, in particular to an electric bicycle battery compartment group which is easy to replace and install. Background Art
[0002] An electric bicycle is a vehicle that uses a battery as an auxiliary energy source. It is based on an ordinary bicycle and is equipped with a motor, controller, battery, handlebar, brake handle and other operating components and a display instrument system. The battery is composed of a battery compartment group, which is composed of a battery casing, a lithium battery and a cover. The lithium battery's storage function provides energy for the electric bicycle.
[0003] Prior art, such as the utility model with publication number CN215896611U, discloses a battery replacement device for electric bicycles. The patent adopts an installation bin, an installation hole is opened on the inner wall of one side of the installation bin, a power connection is fixedly arranged inside the installation hole, one end of the power connection is fixedly connected to a power connector, and there are three seepage holes in the array at the bottom of the installation bin; a limiting component is fixedly connected to the same inner wall of the installation bin and the power connection, a lithium battery component is fixedly connected inside the installation bin, and the output end of the lithium battery component is fixedly connected to the power connector; one end of the installation block is fixedly connected to the same inner wall of the installation bin and the power connection, and the other end of the installation block is fixedly connected to one end of the spring, and the other end of the spring is fixedly connected to a limiting plate, the limiting plate is movably connected to the inside of the installation bin, and the inside of the limiting plate is fixedly connected to the power connector. The utility model sets a limiting component inside the installation bin, so that lithium batteries of different models and volumes can be installed, and it is suitable for a variety of lithium battery models, so as to solve the problem that the lithium battery and the lithium battery bin size are not compatible with each other in the existing electric bicycle lithium battery replacement device, which is easy to cause damage to the lithium battery, and the installation process is cumbersome and the installation effect is simple.
[0004] The inventor discovered in his daily work that in the process of using an electric bicycle battery compartment group, the power cord and lithium battery of the existing battery compartment group, such as the above-mentioned one, are exposed to the external environment. When in use, because the electric bicycle lacks protection from rain, rainwater can easily enter the battery compartment group in rainy and snowy weather. At the same time, because the connection between the power cord and the lithium battery is exposed to the external environment, the connection is easy to seep into water. When water enters the connection, it will cause a short circuit in the plug, which may seriously cause the lithium battery to catch fire. Utility Model Content
[0005] The purpose of the utility model is to solve the problem in the prior art that the connection part between the power cord and the lithium battery is exposed to the external environment, making it easy for water to penetrate into the connection part. When the water enters the connection part, it will cause a short circuit in the plug, which may seriously cause the lithium battery to catch fire. An electric bicycle battery compartment group that is easy to replace and install is proposed.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electric bicycle battery compartment group that is easy to replace and install, comprising a shell, a lithium battery and an auxiliary component, the lithium battery is installed on the inner wall of the shell, a card slot is opened on the upper surface of the shell, the auxiliary component is arranged on the inner wall of the shell, the auxiliary component comprises a negative pole magnet, the negative pole magnet is fixedly connected to the inner wall of the card slot, a positive pole magnet is inserted into the inner wall of the shell located in the card slot, the positive pole magnet is adsorbed on the surface of the negative pole magnet, a shielding cover is fixedly connected to the surface of the shielding cover, a sealing rubber frame is fixedly connected to the lower surface of the shielding cover, a side baffle is fixedly connected to the lower surface of the shielding cover, and a first handle is fixedly connected to the upper surface of the shielding cover.
[0007] Preferably, a sliding hole is provided on the upper surface of the shielding cover, and a receiving cavity is provided on the inner wall of the shielding cover located in the sliding hole. The outer shell can be covered by the shielding cover, thereby ensuring that the interior of the outer shell is in a closed state.
[0008] Preferably, the number of the negative pole magnets is four, and the four negative pole magnets are diagonally arranged with respect to the outer shell. The number of the positive pole magnets is adapted to the negative pole magnets, and the multiple positive pole magnets are diagonally arranged with respect to the shielding cover. Through the cooperation between the negative pole magnets and the positive pole magnets, the position of the shielding cover can be limited, thereby ensuring the stability of the shielding cover when in the installed state.
[0009] Preferably, the shielding cover plate abuts against the upper surface of the outer shell, the sealing frame is adapted to the inner wall of the card slot, the sealing frame is plugged into the inner wall of the card slot, and the side baffle plate is plugged into the inner wall of the outer shell. The sealing frame can increase the sealing of the connection between the shielding cover plate and the outer shell to further improve the anti-seepage effect of the connection.
[0010] Preferably, the shielding cover is located on the inner wall of the sliding hole and is provided with a connecting component, the connecting component includes a limit push plate, the limit push plate is slidably connected to the inner wall of the sliding hole, the side surface of the limit push plate is fixedly connected to a limit spring, the limit spring is fixedly connected to the side surface of the side baffle, the shielding cover is located on the inner wall of the storage cavity and is installed with a shielding rubber plate, the upper surface of the limit push plate is fixedly connected to a second handle, the surface of the limit push plate is provided with a mounting hole, the limit push plate is located on the inner wall of the mounting hole and is fixedly connected to a power socket, the output end of the power socket is fixedly connected to a power cord, and the lithium battery inside the shell can be clamped and restricted by the cooperation of the limit push plate and the limit spring, thereby ensuring the stability of the lithium battery.
[0011] Preferably, the limit abutment plate is plugged into the inner wall of the outer shell, and the limit abutment plate abuts against the side surface of the lithium battery. The number of the limit springs is four, and the four limit springs are diagonally arranged with respect to the limit abutment plate. By installing the limit springs on the four corners, the stability of the limit abutment plate can be increased, and the clamping effect of the limit abutment plate on the lithium battery can be further improved.
[0012] Preferably, there are two shielding rubber plates, which are symmetrically arranged with respect to the limiting abutment plate. The shielding rubber plates are fixedly connected to the surface of the limiting abutment plate. The power socket is plugged into the output end of the lithium battery. The power cord runs through the side surface of the outer shell. The sliding hole can be shielded by the shielding rubber plates, thereby further improving the shielding effect of the shielding cover.
[0013] Compared with the prior art, the advantages and positive effects of the utility model are:
[0014] In the utility model, by providing auxiliary components and connecting components, when in use, the lithium battery is installed in the shell and covered with a cover plate, so that the lithium battery is inserted into the power socket, and the lithium battery supplies power to the driving component through the power socket and the power line, thereby making the electric bicycle run; when the lithium battery needs to be removed, the first handle and the second handle are respectively held, and the second handle is pulled, the second handle pulls the limiting plate, the limiting plate squeezes the limiting spring and pulls the power socket, the power socket is separated from the lithium battery, and then the first handle and the second handle are pulled upward, the first handle and the second handle pull the shielding cover plate, the shielding cover plate pulls the negative pole magnet and separates from the shell, and at the same time the limiting plate and the side baffle are pulled and separated from the shell under the action of the shielding cover plate, and when the limiting plate and the side baffle are completely separated, the shell is completely opened, and then the electric bicycle is driven by the electric bicycle. Even if the lithium battery can be disassembled and replaced, after completing the replacement of the lithium battery, hold the first handle and the second handle, push the second handle to move the limit plate, when the limit plate moves to the maximum spacing, align the negative pole magnet with the positive pole magnet, and re-cover the shielding cover on the outer shell, when the shielding cover is covered, release the second handle, the second handle loses the pressure on the limit spring, the limit spring loses the pressure and rebounds, and cooperates with the limit plate to push the power socket to insert the lithium battery plug, and then the installation operation of the lithium battery is completed. By setting auxiliary components and connecting components, the protection of the battery compartment group is improved while ensuring convenience, thereby reducing the problem of the internal structure of the battery compartment group being exposed to the outside world and the power connection part being easily penetrated by rainwater, and further improving the safety of the battery compartment group. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The utility model provides a three-dimensional structural schematic diagram of an electric bicycle battery compartment group that is easy to replace and install;
[0016] Figure 2The utility model provides a schematic diagram of the unfolded structure of an electric bicycle battery compartment group that is easy to replace and install;
[0017] Figure 3 The utility model provides a partial structural schematic diagram of an electric bicycle battery compartment group that is easy to replace and install;
[0018] Figure 4 The utility model provides an electric bicycle battery compartment group that is easy to replace and install Figure 3 Schematic diagram of the structure at A in the middle;
[0019] Figure 5 The utility model provides an electric bicycle battery compartment group that is easy to replace and install Figure 3 Schematic diagram of the structure viewed from above.
[0020] Legend:
[0021] 1. Shell; 2. Lithium battery; 3. Card slot; 4. Auxiliary components; 41. Positive magnet; 42. Negative magnet; 43. Shielding cover; 44. Sealing rubber frame; 45. Side baffle; 46. First handle; 47. Slide hole; 48. Storage cavity; 5. Connecting component; 51. Limiting plate; 52. Limiting spring; 53. Shielding rubber plate; 54. Second handle; 55. Power socket; 56. Power cord. DETAILED DESCRIPTION
[0022] See also Figure 1-5 The utility model provides a technical solution: an electric bicycle battery compartment group that is easy to replace and install, including a shell 1, a lithium battery 2 and an auxiliary component 4, the lithium battery 2 is installed on the inner wall of the shell 1, a card slot 3 is opened on the upper surface of the shell 1, the auxiliary component 4 is arranged on the inner wall of the shell 1, and a shielding cover plate 43 is located on the inner wall of the sliding hole 47 and a connecting component 5 is arranged.
[0023] The specific settings and functions of the auxiliary component 4 and the connection component 5 are described in detail below.
[0024] In this embodiment: the auxiliary component 4 includes a negative pole magnet 42, which is fixedly connected to the inner wall of the card slot 3, and a positive pole magnet 41 is inserted into the inner wall of the card slot 3 of the outer shell 1. The positive pole magnet 41 is attracted to the surface of the negative pole magnet 42, and a shielding cover 43 is fixedly connected to the surface of the positive pole magnet 41, a sealing frame 44 is fixedly connected to the lower surface of the shielding cover 43, a side baffle 45 is fixedly connected to the lower surface of the shielding cover 43, and a first handle 46 is fixedly connected to the upper surface of the shielding cover 43.
[0025] Specifically, a sliding hole 47 is provided on the upper surface of the shielding cover 43, and a receiving cavity 48 is provided on the inner wall of the shielding cover 43 located at the sliding hole 47. The shielding cover 43 can cover the housing 1, thereby ensuring that the interior of the housing 1 is in a closed state.
[0026] Specifically, the number of the negative pole magnets 42 is four, and the four negative pole magnets 42 are arranged diagonally with respect to the housing 1 . The number of the positive pole magnets 41 matches the number of the negative pole magnets 42 , and the plurality of positive pole magnets 41 are arranged diagonally with respect to the shielding cover 43 .
[0027] In this embodiment, the position of the shielding cover 43 can be limited by the cooperation between the negative pole magnet 42 and the positive pole magnet 41, so as to ensure the stability of the shielding cover 43 in the installed state.
[0028] Specifically, the shielding cover 43 is in contact with the upper surface of the outer shell 1, the sealing frame 44 is adapted to the inner wall of the card slot 3, the sealing frame 44 is plugged into the inner wall of the card slot 3, and the side baffle 45 is plugged into the inner wall of the outer shell 1. The sealing frame 44 can increase the sealing of the connection between the shielding cover 43 and the outer shell 1 to further improve the anti-seepage effect of the connection.
[0029] In this embodiment: the connecting component 5 includes a limit plate 51, the limit plate 51 is slidably connected to the inner wall of the sliding hole 47, the side surface of the limit plate 51 is fixedly connected to the limit spring 52, the limit spring 52 is fixedly connected to the side surface of the side baffle 45, the shielding cover 43 is located on the inner wall of the storage cavity 48 and is installed with a shielding rubber plate 53, the upper surface of the limit plate 51 is fixedly connected to the second handle 54, the surface of the limit plate 51 is provided with a mounting hole, the limit plate 51 is located on the inner wall of the mounting hole and is fixedly connected to a power socket 55, and the output end of the power socket 55 is fixedly connected to a power cord 56.
[0030] In this embodiment, the limiting abutment plate 51 cooperates with the limiting spring 52 to clamp and limit the lithium battery 2 inside the housing 1, thereby ensuring the stability of the lithium battery 2.
[0031] Specifically, the limit plate 51 is plugged into the inner wall of the outer shell 1, and the limit plate 51 is in contact with the side surface of the lithium battery 2. There are four limit springs 52, and the four limit springs 52 are diagonally arranged with respect to the limit plate 51. By installing the limit springs 52 on the four corners, the stability of the limit plate 51 can be increased, and the clamping effect of the limit plate 51 on the lithium battery 2 can be further improved.
[0032] Specifically, there are two shielding rubber plates 53, which are symmetrically arranged with respect to the limiting plate 51. The shielding rubber plates 53 are fixedly connected to the surface of the limiting plate 51, the power socket 55 is plugged into the output end of the lithium battery 2, and the power cord 56 runs through the side surface of the shell 1.
[0033] In this embodiment, the sliding hole 47 can be shielded by the shielding rubber plate 53 , thereby further improving the shielding effect of the shielding cover plate 43 .
[0034] Working principle: when the lithium battery 2 needs to be removed, the first grip 46 and the second grip 54 are respectively held, and the second grip 54 is pulled. The second grip 54 pulls the limiting plate, and the limiting plate 51 squeezes the limiting spring 52 and pulls the power socket 55. The power socket 55 is separated from the lithium battery 2, and then the first grip 46 and the second grip 54 are pulled upward. The first grip 46 and the second grip 54 pull the shielding cover 43, and the shielding cover 43 pulls the negative pole magnet 42 and separates from the shell 1. At the same time, the limiting plate 51 and the side baffle 45 are pulled away from the shell 1 under the action of the shielding cover 43. When the limiting plate 51 and the side baffle 45 are completely separated, the shell 1 is completely opened, and the lithium battery 2 can be disassembled and replaced. After the replacement of the lithium battery 2 is completed, the first grip 46 and the second grip 54 are held. 54, push the second handle 54 to move the limit plate 51. When the limit plate 51 moves to the maximum spacing, align the negative pole magnet 42 with the positive pole magnet 41, and re-cover the shielding cover 43 on the outer shell 1. When the shielding cover 43 is covered, release the second handle 54. The second handle 54 loses the pressure applied to the limit spring 52, and the limit spring 52 loses the pressure and rebounds, and cooperates with the limit plate 51 to push the power socket 55 to insert the lithium battery 2 plug, and then the installation operation of the lithium battery 2 is completed. By setting the auxiliary component 4 and the connecting component 5, the protection of the battery compartment group is improved while ensuring convenience, thereby reducing the problem that the internal structure of the battery compartment group is exposed to the outside world and the power connection part is easily infiltrated by rainwater, and further improving the safety of the battery compartment group.
Claims
1. An electric bicycle battery compartment assembly that is easy to replace and install, comprising a housing (1), a lithium battery (2) and an auxiliary component (4), characterized in that: The lithium battery (2) is mounted on the inner wall of the housing (1); a slot (3) is provided on the upper surface of the housing (1); the auxiliary component (4) is arranged on the inner wall of the housing (1); the auxiliary component (4) comprises a negative pole magnet (42); the negative pole magnet (42) is fixedly connected to the inner wall of the slot (3); a positive pole magnet (41) is inserted into the inner wall of the housing (1) located at the slot (3); the positive pole magnet (41) is attracted to the surface of the negative pole magnet (42); a shielding cover (43) is fixedly connected to the surface of the positive pole magnet (41); a sealing rubber frame (44) is fixedly connected to the lower surface of the shielding cover (43); a side baffle (45) is fixedly connected to the lower surface of the shielding cover (43); and a first handle (46) is fixedly connected to the upper surface of the shielding cover (43).
2. The battery compartment assembly for an electric bicycle that is easy to replace and install according to claim 1, characterized in that: A sliding hole (47) is provided on the upper surface of the shielding cover plate (43), and a storage cavity (48) is provided on the inner wall of the shielding cover plate (43) located in the sliding hole (47).
3. The battery compartment assembly for an electric bicycle that is easy to replace and install according to claim 1, characterized in that: The number of the negative pole magnets (42) is four, and the four negative pole magnets (42) are arranged diagonally with respect to the housing (1); the number of the positive pole magnets (41) matches the number of the negative pole magnets (42), and the plurality of positive pole magnets (41) are arranged diagonally with respect to the shielding cover (43).
4. The battery compartment assembly for an electric bicycle that is easy to replace and install according to claim 1, characterized in that: The shielding cover plate (43) is in contact with the upper surface of the outer shell (1), the sealing rubber frame (44) is matched with the inner wall of the card slot (3), the sealing rubber frame (44) is plugged into the inner wall of the card slot (3), and the side baffle plate (45) is plugged into the inner wall of the outer shell (1).
5. The battery compartment assembly for an electric bicycle that is easy to replace and install according to claim 1, characterized in that: The shielding cover (43) is provided with a connection component (5) on the inner wall of the sliding hole (47), and the connection component (5) includes a limit plate (51), the limit plate (51) is slidably connected to the inner wall of the sliding hole (47), the side surface of the limit plate (51) is fixedly connected to a limit spring (52), and the limit spring (52) is fixedly connected to the side surface of the side baffle (45), the shielding cover (43) is installed with a shielding rubber plate (53) on the inner wall of the storage cavity (48), the upper surface of the limit plate (51) is fixedly connected to a second handle (54), the surface of the limit plate (51) is provided with a mounting hole, and the limit plate (51) is fixedly connected to the inner wall of the mounting hole with a power socket (55), and the output end of the power socket (55) is fixedly connected to a power cord (56).
6. The battery compartment assembly for an electric bicycle that is easy to replace and install according to claim 5, characterized in that: The limit abutment plate (51) is plugged into the inner wall of the housing (1), the limit abutment plate (51) is in contact with the side surface of the lithium battery (2), the number of the limit springs (52) is four, and the four limit springs (52) are arranged diagonally with respect to the limit abutment plate (51).
7. The battery compartment assembly for an electric bicycle that is easy to replace and install according to claim 5, characterized in that: The number of the shielding rubber plates (53) is two, and the two shielding rubber plates (53) are arranged symmetrically with respect to the limiting abutment plate (51). The shielding rubber plates (53) are fixedly connected to the surface of the limiting abutment plate (51), the power socket (55) is plugged into the output end of the lithium battery (2), and the power cord (56) passes through the side surface of the housing (1).
Citation Information
Patent Citations
Convenient-to-replace lithium battery device for electric bicycle
CN215896611U