A power cell with a floating plug

Abstract

The utility model relates to electric motor car power battery technical field discloses a kind of power batteries of floating plug, including shell, the inside of the shell is equipped with battery cell, the side of the shell is equipped with main pedestal, the inside of the main pedestal is equipped with floating pedestal, the inside of the floating pedestal is equipped with plug module, the inside of the floating pedestal is symmetrically equipped with third slide rail, and plug module is arranged between two third slide rails, the inside of the floating pedestal is equipped with second slide rail, and third slide rail is slidably installed in the inside of second slide rail, the inside of the floating pedestal is equipped with first slide rail, and second slide rail is slidably installed on first slide rail. In the utility model, by being provided with elastic damping part, the stress that plug module is received in plug-in process is reduced, and its service life is increased, and in use process, the conduction when external equipment vibration can be reduced by elastic damping part, and then plug module can be further protected.

Description

Technical Field

[0001] This utility model relates to the field of electric vehicle power battery technology, and in particular to a power battery with a floating plug. Background Technology

[0002] With the increasing popularity of electric vehicles, battery swapping has gradually become an important development direction due to its rapid energy replenishment advantage. Power batteries, which are secondary batteries used in electric vehicles such as electric cars and electric bicycles, enable the conversion between electrical energy and chemical energy to provide power for the vehicle. Compared to ordinary batteries, power batteries possess characteristics such as high energy density, high power density, long cycle life, and safety and reliability, meeting the needs of vehicles for frequent charging and discharging, rapid starting, and long-term driving. Currently, the mainstream types of power batteries include lithium-ion batteries, lithium iron phosphate batteries, and ternary lithium batteries. With continuous technological advancements, their performance is constantly being optimized, playing a core role in the new energy field and driving the development of the global green transportation industry.

[0003] A search revealed Chinese patent publication number CN219937294U, which discloses a power battery pack with easy plug insertion. The pack includes a housing, a battery module, a protection board, and a battery cover. The protection board is fixed to one end of the battery module. The battery module and the protection board are housed within the housing space of the housing. The battery cover is fixed to one end of the housing and is close to the protection board. A connector is provided on the protection board, which is plugged into and detached from a plug used to charge and discharge the battery module. The plug can be connected to wires through the battery cover to achieve the charging and discharging function of the battery module inside the housing. This design integrates the connector and protection board, allowing the plug to be directly inserted into or removed from the connector. The plug pins do not require screw connections, making the plug connection simple and easy to replace.

[0004] The device uses a rigid mounting design to fix the power battery to an external device. However, the rigid connection can cause wear or poor contact of the plug due to mechanical stress during frequent plugging and unplugging, which will affect the service life. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a power battery with a floating plug, which aims to improve the problem of stress concentration and easy damage to the plug module when plugging and unplugging the plug module in the existing device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a power battery with a floating plug, comprising a housing, a battery cell disposed inside the housing, a main base disposed on one side of the housing, a floating base disposed inside the main base, a plug module disposed inside the floating base, a third slide rail symmetrically disposed inside the floating base, and the plug module disposed between two third slide rails, a second slide rail disposed inside the floating base, and the third slide rail slidably mounted inside the second slide rail, a first slide rail disposed inside the floating base, and the second slide rail slidably mounted on the first slide rail, and an elastic damping component disposed on one side of the plug module.

[0007] The above technical solution enables the plug module to move in three dimensions via the first, second, and third slide rails, facilitating the connection between the plug module and external devices. Furthermore, during connection with external devices, the displacement of the plug module reduces stress concentration, enhances its impact resistance, and increases its service life.

[0008] As a further description of the above technical solution:

[0009] The elastic damping assembly includes a silicone buffer pad and a disc spring. The disc spring is installed at the four corners of the surface of the plug module, and the silicone buffer pad is fixedly installed on one side of the disc spring.

[0010] The above technical solution, through the cooperation between the silicone buffer pad and the butterfly spring, can increase the buffering performance and pressure resistance of the plug module. When plugging and unplugging the plug module, the silicone buffer pad and the butterfly spring can absorb the stress concentration generated during plugging and unplugging through deformation, thereby further enhancing the service life of the plug module.

[0011] As a further description of the above technical solution:

[0012] The main base has second screw holes at the four corners of its surface, and the main base is fixedly installed on the inside of the housing by bolts passing through the second screw holes.

[0013] The above technical solution allows the main base to be fixedly installed on the housing by inserting bolts into the second screw holes. The second screw holes are provided at all four corners to ensure the stability of the main base installed on the housing.

[0014] As a further description of the above technical solution:

[0015] The floating base has symmetrical first screw holes on one side, and the floating base is fixedly installed on the inner side of the main base by bolts passing through the first screw holes.

[0016] The above technical solution allows the floating base to be fixedly installed on the inner side of the main base by passing the external bolts through the first screw hole. When the floating base is to be removed, only the bolts in the first screw hole need to be removed. The first screw holes are symmetrically arranged on the inner side of the floating base, which ensures the stability of the floating base installation.

[0017] As a further description of the above technical solution:

[0018] The plug module has symmetrical connecting wires on one side, and the connecting wires extend into the interior of the housing and are connected to the battery cell inside the housing.

[0019] The above technical solution involves connecting the two ends of the connecting wire to the battery cell inside the plug module housing, thereby allowing the electrical energy stored inside the battery cell to be transferred to the inside of the plug module through the connecting wire. When the plug module is connected to an external plug, the electrical energy stored inside the battery cell can be transferred to the external device.

[0020] As a further description of the above technical solution:

[0021] The plug module has a first guide groove on its inner side, and a second guide groove is provided adjacent to the first guide groove.

[0022] The above technical solution involves rubber pads laid flat on the inner walls of both the first and second guide grooves. The first and second guide grooves can be connected to external plugs, thereby increasing the stability of the connection between the plug and the plug module. Furthermore, the deformation properties of the rubber pads can further increase the stability of the connection between the plug module and the external plug.

[0023] As a further description of the above technical solution:

[0024] The plug module has symmetrical arc-shaped guide grooves on its inner side, and the arc-shaped guide grooves are arc-shaped.

[0025] The above technical solution involves a rubber pad lining the inner wall of the arc-shaped guide groove, which guides and connects with the external plug, thereby further increasing the stability of the connection between the plug module and the external plug.

[0026] As a further description of the above technical solution:

[0027] A handle is fixedly installed on the top surface of the housing by bolts, and the handle is located at the center of the top surface of the housing.

[0028] Through the above-mentioned technical means: the handle can help the user lift the shell, thus making it easy to carry the shell to a designated location, and the handle is fixedly installed in the center of the top surface of the shell, thereby increasing the stability when lifting the shell.

[0029] This utility model has the following beneficial effects:

[0030] 1. By incorporating an elastic damping component, this utility model can buffer and absorb the mechanical stress of the plug module during insertion and removal, thereby reducing the stress on the plug module during insertion and removal and increasing its service life. Furthermore, the elastic damping component can reduce the transmission of vibrations from external equipment during use, thus further protecting the plug module.

[0031] 2. This utility model allows for three-dimensional adjustment of the plug module's position through the cooperation of the first, second, and third slide rails. This facilitates fine-tuning of the plug module's position, making it easier to connect to the plugs of external devices and increasing its practicality during use. Attached Figure Description

[0032] Figure 1 This is a three-dimensional structural diagram of a power battery with a floating plug proposed in this utility model.

[0033] Figure 2 This is a schematic diagram of the plug module structure of a power battery with a floating plug proposed in this utility model.

[0034] Figure 3 This is a schematic diagram of the connection wire position structure of a power battery for a floating plug proposed in this utility model.

[0035] Figure 4 This is a schematic diagram of the elastic damping component structure of a power battery with a floating plug proposed in this utility model.

[0036] Legend:

[0037] 1. Housing; 2. Handle; 3. Main base; 4. Floating base; 5. Plug module; 6. First slide rail; 7. Second slide rail; 8. Third slide rail; 9. First screw hole; 10. First guide groove; 11. Second guide groove; 12. Arc-shaped guide groove; 13. Elastic damping component; 1301. Silicone buffer pad; 1302. Butterfly spring; 14. Connecting wire; 15. Second screw hole. Detailed Implementation

[0038] 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.

[0039] Reference Figure 1Appendix Figure 2 and attached Figure 3 The present invention provides an embodiment of a power battery with a floating plug, comprising a housing 1, a battery cell inside the housing 1, a main base 3 on one side of the housing 1, a floating base 4 inside the main base 3, a plug module 5 inside the floating base 4, symmetrical third slide rails 8 inside the floating base 4, and the plug module 5 disposed between the two third slide rails 8, a second slide rail 7 inside the floating base 4, and the third slide rail 8 slidably mounted inside the second slide rail 7, a first slide rail 6 inside the floating base 4, and the second slide rail 7 slidably mounted on the first slide rail 6, and an elastic damping component 13 on one side of the plug module 5;

[0040] Specifically, the housing 1 contains a battery cell that stores electrical energy through a chemical reaction. When needed, the stored chemical energy is converted into electrical energy and released to power the device. The battery cell can store electrical energy to power external devices. The housing 1 is made of aluminum alloy, which has low density and light weight, reflecting lightweight performance and easy portability. Aluminum alloy also has good thermal conductivity, which helps the battery dissipate heat during charging and discharging, improving battery performance and safety. The plug module 5 can move in three dimensions through the first slide rail 6, the second slide rail 7, and the third slide rail 8. The X / Y axis slide rail travel is ±3mm, the Z axis travel is ±5mm, and the contact pressure is set in the range of 4.5-5.5N. This allows for three-dimensional adjustment of the plug module 5, facilitating docking with external devices and enhancing its practicality and functionality. When docking with external plugs, the floating displacement between the first slide rail 6, the second slide rail 7, and the third slide rail 8 can absorb the stress squeezed by external devices on the plug module 5, thereby reducing the pressure on the plug module 5 during use and increasing its service life.

[0041] Reference Figure 4 The elastic damping assembly 13 includes a silicone buffer pad 1301 and a disc spring 1302. The disc spring 1302 is installed at the four corners of the surface of the plug module 5, and the silicone buffer pad 1301 is fixedly installed on one side of the disc spring.

[0042] Specifically, the disc spring is made of 60Si2MnA steel with a stiffness coefficient of 15N / mm±5%; the silicone buffer pad 1301 has a Shore A hardness of 50A and a thickness of 8mm. When the plug module 5 is subjected to stress from external equipment, the rubber buffer pad and disc spring 1302 can absorb the pressure of the external equipment to a great extent, enhancing the pressure resistance of the plug module 5 and increasing its service life. When plugging and unplugging the plug module 5, the elastic damping element and the silicone buffer pad 1301 can also absorb the impact force of plugging and unplugging. Furthermore, when the vehicle vibrates, the silicone buffer pad 1301 filters high-frequency vibration, and the disc spring counteracts low-frequency shaking, keeping the pins in stable contact pressure, ensuring the stability of the connection, and enhancing the stability during use.

[0043] Reference Figure 1 The main base 3 has second screw holes 15 at the four corners of its surface, and the main base 3 is fixedly installed on the inner side of the housing 1 by bolts passing through the second screw holes 15; the floating base 4 has first screw holes 9 symmetrically opened on one side, and the floating base 4 is fixedly installed on the inner side of the main base 3 by bolts passing through the first screw holes 9.

[0044] Specifically, the main base 3 is fixedly installed on the outside of the shell 1 by bolts, and the floating base 4 is fixedly installed on the main base 3 by bolts. The main base 3 and the floating base 4 can be removed by removing the bolts from the first screw hole 9 and the second screw hole 15 in sequence.

[0045] Reference Figure 3 A connecting wire 14 is symmetrically connected to one side of the plug module 5, and the connecting wire 14 extends into the interior of the housing 1 and is connected to the battery cell inside the housing 1.

[0046] Specifically, by connecting the connecting wire 14 to the battery cell inside the housing 1, the electrical energy stored inside the battery cell can be transferred to the connecting wire 14, and then from the connecting wire 14 to the plug module 5. By connecting the plug module 5 to the plug of the external device, the electrical energy inside the battery cell can be delivered to the external device.

[0047] Reference Figure 1 and attached Figure 2 The plug module 5 has a first guide groove 10 on its inner side, and a second guide groove 11 is provided at the adjacent position of the first guide groove 10. The plug module 5 has symmetrical arc-shaped guide grooves 12 on its inner side, and the arc-shaped guide grooves 12 are arc-shaped. The top surface of the housing 1 is fixedly installed with a handle 2 by bolts, and the handle 2 is located at the center of the top surface of the housing 1.

[0048] Specifically, the inner walls of the first guide groove 10, the second guide groove 11, and the arc-shaped guide groove 12 are all covered with rubber pads, which have a certain amount of deformation. When connecting with an external plug, the first guide groove 10, the second guide groove 11, and the arc-shaped guide groove 12 facilitate connection with the external plug. The softness of the rubber pads increases the cushioning during plug connection, and the wear resistance of the rubber pads enhances the stability of the plug connection to the plug module. The handle 2 makes it easy to lift the housing 1, thus making it convenient to carry.

[0049] Working principle: When using this device, the housing 1 can be lifted by the handle 2 and placed in the designated position. By moving the plug module 5, it can float on the first slide rail 6, the second slide rail 7 and the third slide rail 8, thereby fine-tuning the position of the plug module to facilitate docking with external equipment. After docking, the external plug can be inserted into the plug module, so that the electrical energy stored in the battery cell inside the housing 1 can be transferred to the external equipment.

[0050] During insertion and removal, the silicone buffer pad 1301 and the disc spring 1302 absorb the impact force. When the vehicle vibrates, the silicone buffer pad 1301 filters high-frequency vibration, and the disc spring counteracts low-frequency shaking, so that the pins maintain stable contact pressure. This can increase the service life of the plug module. When this device is used, it increases the impact resistance of the plug module and also facilitates the docking of the housing 1 with external equipment.

[0051] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.

Claims

1. A power battery with a floating plug, comprising a casing (1), characterized in that: The housing (1) has an internal battery cell. A main base (3) is provided on one side of the housing (1). A floating base (4) is provided on the inner side of the main base (3). A plug module (5) is provided on the inner side of the floating base (4). A third slide rail (8) is symmetrically provided inside the floating base (4). The plug module (5) is located between the two third slide rails (8). A second slide rail (7) is provided inside the floating base (4). The third slide rail (8) is slidably installed on the inner side of the second slide rail (7). A first slide rail (6) is provided inside the floating base (4). The second slide rail (7) is slidably installed on the first slide rail (6). An elastic damping component (13) is provided on one side of the plug module (5).

2. The power battery with a floating plug according to claim 1, characterized in that: The elastic damping assembly (13) includes a silicone buffer pad (1301) and a butterfly spring (1302). The butterfly spring (1302) is installed at the four corners of the surface of the plug module (5), and the silicone buffer pad (1301) is fixedly installed on one side of the butterfly spring.

3. The power battery with a floating plug according to claim 1, characterized in that: The main base (3) has a second screw hole (15) at the four corners of its surface, and the main base (3) is fixedly installed on the inner side of the housing (1) by bolts passing through the second screw hole (15).

4. The power battery with a floating plug according to claim 1, characterized in that: The floating base (4) has a first screw hole (9) symmetrically opened on one side, and the floating base (4) is fixedly installed on the inner side of the main base (3) by bolts passing through the first screw hole (9).

5. The power battery with a floating plug according to claim 1, characterized in that: The plug module (5) is symmetrically connected to one side of a connecting wire (14), and the connecting wire (14) extends into the interior of the housing (1) and is connected to the battery cell inside the housing (1).

6. The power battery with a floating plug according to claim 1, characterized in that: The plug module (5) has a first guide groove (10) on its inner side, and a second guide groove (11) is provided at the adjacent position of the first guide groove (10).

7. The power battery with a floating plug according to claim 1, characterized in that: The plug module (5) has symmetrical arc-shaped guide grooves (12) on its inner side, and the arc-shaped guide grooves (12) are arc-shaped.

8. A power battery with a floating plug according to claim 1, characterized in that: A handle (2) is fixedly installed on the top surface of the housing (1) by bolts, and the handle (2) is located at the center of the top surface of the housing (1).

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