Soft connection structure between battery pack and external device

Abstract

The utility model relates to battery pack connection technical field, concretely is a kind of soft connection structure between battery pack and external device, including connector and connecting seat, the lower end of connector is inserted in the upper end of connecting seat, the upper end of connector is covered with protective housing, and one end of the protective housing is fixedly connected with wire, and the connector and connecting seat are fixedly connected together by bolt.The utility model connects the bottom end of connecting seat with battery pack, and the other end is connected with connector when using, and the wire connected with connector and external device forms the soft connection structure between battery pack and external device, and the groove inside the connector is connected with the limiting rib, to prevent the connector from loosening after the connector and connecting seat are connected, to improve the connection strength between the connector and connecting seat.

Description

Technical Field

[0001] This utility model relates to the field of battery pack connection technology, specifically a soft connection structure between a battery pack and an external device. Background Technology

[0002] In fields such as high-current transmission and energy storage, increasing transmission power and raising voltage or current are effective solutions to meet people's growing demand for electricity.

[0003] However, current energy storage system connectors generally suffer from the following problems: 1. Traditional circular plug-in methods have limited contact area (current technologies generally range from 100-350A). 2.500A and above circular shapes occupy a large space, are heavy, costly, and difficult to manufacture; 3. When the installation distance is short, for products with an amperage rating of 500A or higher, the lack of flexibility in the flexible connectors makes assembly of the flexible products difficult. Therefore, this utility model provides a soft connection structure between battery packs to solve the problems mentioned above.

[0004] Therefore, this utility model provides a flexible connection structure between a battery pack and an external device to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a flexible connection structure between a battery pack and an external device, thereby solving at least the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A flexible connection structure between a battery pack and an external device includes a connector and a connector base. The lower end of the connector is inserted into the upper end of the connector base. The upper end of the connector is covered with a protective shell, and a wire is fixedly connected to one end of the protective shell.

[0007] As a further embodiment of this utility model, one end of the connecting seat is provided with a connecting port, and limit ribs are fixedly connected around the connecting port.

[0008] As a further embodiment of this utility model, a hanging platform is fixedly connected to both sides of the connecting seat, a conductive terminal is fixedly inserted into the inside of the connecting seat, a fixing plate is fixedly connected to the rear end of the conductive terminal, and a connecting plate is fixedly connected to the rear end of the fixing plate.

[0009] As a further embodiment of this utility model, the rear end of the connecting plate is rotatably connected with a fixing nail, and the front end of the connecting plate is provided with multiple fixing holes.

[0010] As a further embodiment of this utility model, a sealing gasket is fixedly fastened to the rear end of the connecting seat, and an annular sealing ring is provided on the inner side of the sealing gasket.

[0011] As a further embodiment of this utility model, the connector is provided with latches on both sides, and the connector base is provided with mounting brackets on both sides. The connector and the connector base are fixedly connected together by fixing the mounting brackets and latches.

[0012] As a further embodiment of this utility model, a welding disc is inserted into the inside of the protective shell, and a riveting hole is formed on the surface of the welding disc, with a connecting nail fixedly connected inside the riveting hole.

[0013] As a further embodiment of this utility model, one end of the wire is fixedly connected to a connector, and one end of the connector is fixedly connected to one side of the protective shell.

[0014] Compared with the prior art, the beneficial effects of this utility model are: 1. When this utility model is used, the bottom end of the connector is connected to the battery pack through the connector base and connector head, and the other end is connected to the connector head. The connector head is connected to the external device through the connecting wire to form a soft connection structure between the battery pack and the external device.

[0015] 2. When this utility model is used, the limiting ribs align with the internal grooves of the connector, which prevents the connector from becoming loose after it is connected to the connector seat, thereby improving the connection strength between the connector and the connector seat. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a flexible connection structure between a battery pack and an external device.

[0017] Figure 2 This is a schematic diagram of a connector for a flexible connection structure between a battery pack and an external device.

[0018] Figure 3 This is a schematic diagram of the connector structure of a flexible connection structure between a battery pack and an external device.

[0019] Figure 4 This is an exploded structural diagram of the connector of a flexible connection structure between a battery pack and an external device.

[0020] In the diagram: 1. Connector; 101. Lock; 102. Sealing ring; 2. Connecting seat; 21. Hanging platform; 22. Limiting rib; 23. Connecting port; 3. Protective shell; 31. Welding plate; 32. Riveting hole; 33. Connecting nail; 4. Wire; 41. Plug; 5. Bolt; 6. Conductive terminal; 61. Fixing plate; 7. Sealing gasket; 71. Annular sealing ring; 8. Connecting plate; 81. Fixing nail; 82. Fixing hole. 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1 This utility model provides a flexible connection structure between a battery pack and an external device, including a connector 1 and a connector 2. The lower end of the connector 1 is inserted into the upper end of the connector 2. The upper end of the connector 1 is covered with a protective shell 3. One end of the protective shell 3 is fixedly connected to a wire 4. The connector 1 and the connector 2 are fixedly connected together by bolts 5.

[0023] There are two connectors 1 and two connectors 2, which are set as the positive and negative terminals of the connection structure, respectively. The bottom end of the connector 2 is connected to the battery pack, and the other end is connected to the connector 1. The connector is connected to the external device through the connecting wire 4 to form a soft connection structure between the battery pack and the external device.

[0024] In some embodiments, one end of the connecting seat 2 is provided with a connecting port 23, and the connecting port 23 is fixedly connected with limiting ribs 22 around its perimeter.

[0025] The connector 1 has a groove inside that corresponds to the limiting rib 22. When the connector 1 and the connector 2 are connected, the connector 1 is inserted into the connection port 23. The limiting rib 22 aligns with the groove inside the connector 1, which prevents the connector from becoming loose after the connector 1 and the connector 2 are connected, thus improving the connection strength between the connector 1 and the connector 2.

[0026] In some embodiments, a mounting base 21 is fixedly connected to both sides of the connecting base 2, a conductive terminal 6 is fixedly inserted into the inside of the connecting base 2, a fixing plate 61 is fixedly connected to the rear end of the conductive terminal 6, and a connecting plate 8 is fixedly connected to the rear end of the fixing plate 61.

[0027] The conductive terminal 6 is made of two metal plates with contact arms of different lengths arranged alternately, which allows the front end of the terminal to make full contact with the contact surface during use, thereby increasing the current transmission efficiency. The rear end of the fixing plate 61 has multiple round holes.

[0028] In some embodiments, a fixing nail 81 is rotatably connected to the rear end of the connecting plate 8, and a plurality of fixing holes 82 are provided at the front end of the connecting plate 8.

[0029] The surface of the fixing plate 61 is provided with a plurality of rivets. When the connecting plate 8 is connected to the fixing plate 61, the rivets can be used to fix the connecting plate 8 in the fixing hole 82 of the connecting plate 8, thereby realizing the connection between the connecting plate 8 and the fixing plate 61.

[0030] In some embodiments, a sealing gasket 7 is fixedly fastened to the rear end of the connecting seat 2, and an annular sealing ring 71 is provided on the inner side of the sealing gasket 7.

[0031] The sealing gasket 77 is used to seal between the positive and negative terminal connector (2) and the device panel, and the annular sealing ring 71 is used to seal between the connector 1 and the positive and negative terminal connector 2.

[0032] When both the conductive terminal 6 and the connecting plate 8 are fixed to the rear end of the connecting seat 2, the sealing gasket 7 can be snapped back onto the rear end of the connecting seat 2 to achieve sealing and fixing of the connecting seat 2.

[0033] Please see Figure 3 In some embodiments, the connector 1 is provided with latches 101 on both sides, and the connector 2 is provided with mounting brackets 21 on both sides.

[0034] The connector 1 and the connector 2 are fixedly connected together by the fixed mounting plate 21 and the locking buckle 101.

[0035] When connector 1 and connector 2 are mated, the latch 101 on connector 1 can be engaged with the mounting plate 21 to help fix connector 1 and connector 2.

[0036] Please see Figure 4 In some embodiments, a welding disc 31 is inserted into the inside of the protective shell 3, and a riveting hole 32 is formed on the surface of the welding disc 31. A connecting nail 33 is fixedly connected inside the riveting hole 32.

[0037] The welding pad 31 is mainly used for electrical conduction. There are two welding pads 31, and each welding pad 31 is an L-shaped metal plate structure. The two welding pads 31 are fixed together by riveting holes 32 and connecting nails 33 and installed inside the protective shell 3.

[0038] In some embodiments, one end of the wire 4 is fixedly connected to a connector 41, and one end of the connector 41 is fixedly connected to one side of the protective shell 3.

[0039] When this utility model is used, the connector 1 and the connector 2 are plugged together. At this time, the latch 101 is fastened to the mounting plate 21 to fix the connector 1 and the connector 2. Then, the connector 1 and the protective shell 3 above are fixedly plugged in through the welding plate 31 extending into the inside of the connector 1. Then, the wire 4 is fixedly connected to the protective shell 3 through the plug 41 to realize the soft connection between the battery pack and the external device.

[0040] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A flexible connection structure between a battery pack and an external device, characterized in that, It includes a connector (1) and a connector (2). The lower end of the connector (1) is inserted into the upper end of the connector (2). The upper end of the connector (1) is covered with a protective shell (3). One end of the protective shell (3) is fixedly connected to a wire (4).

2. The flexible connection structure between a battery pack and an external device according to claim 1, characterized in that, One end of the connecting seat (2) is provided with a connecting port (23), and the connecting port (23) is fixedly connected with limit ribs (22) around its perimeter.

3. The flexible connection structure between a battery pack and an external device according to claim 1, characterized in that, The connecting base (2) is fixedly connected to two sides of a mounting plate (21), and a conductive terminal (6) is fixedly inserted inside the connecting base (2). A fixing plate (61) is fixedly connected to the rear end of the conductive terminal (6), and a connecting plate (8) is fixedly connected to the rear end of the fixing plate (61).

4. The flexible connection structure between a battery pack and an external device according to claim 3, characterized in that, The rear end of the connecting plate (8) is rotatably connected to a fixing nail (81), and the front end of the connecting plate (8) is provided with multiple fixing holes (82).

5. The flexible connection structure between a battery pack and an external device according to claim 1, characterized in that, The rear end of the connecting seat (2) is fixedly fastened with a sealing gasket (7), and an annular sealing ring (71) is provided on the inner side of the sealing gasket (7).

6. The flexible connection structure between a battery pack and an external device according to claim 1, characterized in that, The connector (1) is provided with latches (101) on both sides, and the connector (2) is provided with mounting brackets (21) on both sides. The connector (1) and the connector (2) are fixedly connected together by the mounting brackets (21) and latches (101).

7. The flexible connection structure between a battery pack and an external device according to claim 5, characterized in that, The protective shell (3) has a welding disc (31) inserted inside. The surface of the welding disc (31) has a riveting hole (32), and a connecting nail (33) is fixedly connected inside the riveting hole (32).

8. The flexible connection structure between a battery pack and an external device according to claim 7, characterized in that, One end of the wire (4) is fixedly connected to a connector (41), and one end of the connector (41) is fixedly connected to one side of the protective shell (3).

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