Electrode and signal line sealing adapter for battery pack

Abstract

The utility model relates to an electrode and signal line sealing adapter for a battery pack, which comprises a female head, a male head and a mounting plate, the male head is movably embedded in the front end of the female head, the mounting plate is integrally fixed on the peripheral wall of the female head, the front surface of the female head is provided with an embedding groove, and the rear end opening of the male head is provided with a line pressing hole. The front end of the male head is integrally connected with an embedded head, and a movable elastic piece is movably embedded in the top face of the embedded head. According to the utility model, the movable elastic sheet and the spring are arranged, the pressing head is pressed down to enable the movable elastic sheet to move downwards and extrude the spring, the embedded head of the male head is inserted into the embedding groove of the female head, the pressing head is loosened, and the spring rebounds to push the movable elastic sheet to reset, so that the clamping block is embedded into the positioning groove, and the embedded head and the embedding groove are fixed; therefore, the connection stability between the male head and the female head is ensured, the situation that the male head and the female head fall off and are separated to cause abnormal operation of battery pack corollary equipment is prevented, and the use stability is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of sealed adapter technology, and in particular to a sealed adapter for electrodes and signal lines in a battery pack. Background Technology

[0002] A battery pack, or battery assembly, refers to a finished battery module that combines multiple individual battery cells (cells) in a specific series-parallel configuration, adds a protection circuit module, a battery management system (BMS), and other necessary supporting equipment, and is then packaged, sealed, and assembled. The battery pack panel needs to be fitted with a sealed adapter to connect to the BMS and other necessary supporting equipment.

[0003] The existing battery pack electrode and signal line sealing adapters connect the male and female connectors only by plugging them in. The connection is not stable enough and they are prone to falling off and separating, causing the battery pack equipment to malfunction. The stability of use needs to be improved. In addition, the existing battery pack electrode and signal line sealing adapters do not seal well between the battery pack panel and the male and female connectors, making them susceptible to dust and moisture. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a sealed adapter for battery pack electrodes and signal lines. This addresses the problem that existing sealed adapters for battery pack electrodes and signal lines rely solely on plug-in connections, resulting in insufficient connection stability, easy detachment, and malfunction of battery pack accessories. Furthermore, the existing sealed adapters for battery pack electrodes and signal lines suffer from insufficient sealing between the adapter and the battery pack panel, as well as at the male-female connector connection points, making them susceptible to dust and moisture.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A battery pack electrode and signal line sealing adapter includes a female connector, a male connector, and a mounting plate. The male connector is movably embedded in the front end of the female connector. The mounting plate is integrally fixed to the outer peripheral wall of the female connector. The front surface of the female connector has a fitting groove. The rear end opening of the male connector has a wire pressing hole. The front end of the male connector is integrally connected to an insert head. The top surface of the insert head is movably fitted with a movable spring. The rear end position of the top surface of the movable spring is fixedly connected to a pressing head.

[0007] As a further description of the above technical solution:

[0008] The inner top surface of the fitting groove is integrally injection molded with a snap-fit ​​block, and several pins are fixedly inserted inside the fitting groove. The inner head is movably embedded inside the fitting groove.

[0009] As a further description of the above technical solution:

[0010] The surface of the movable spring is provided with a positioning groove, and a spring is fixedly connected to the front end of the bottom of the movable spring.

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

[0012] The pressing head is elastically embedded in the top surface of the male head, and the snap-fit ​​block is movably fitted into the positioning groove.

[0013] As a further description of the above technical solution:

[0014] The male connector and the inner connector are integrally injection molded, and a first sealing gasket is fixedly fitted onto the surface of the connection between the male connector and the inner connector.

[0015] As a further description of the above technical solution:

[0016] Four screws are welded to the back of the mounting plate, and the screws are distributed in a rectangular array.

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

[0018] A second sealing gasket is attached to the back of the mounting plate. Both the first and second sealing gaskets are made of rubber.

[0019] In summary, this utility model has at least one of the following beneficial technical effects:

[0020] 1. In use, this utility model is equipped with a movable spring and a spring. Pressing the press head causes the movable spring to move downward and squeeze the spring, inserting the inner head of the male connector into the mating groove of the female connector. Releasing the press head causes the spring to rebound and push the movable spring back to its original position, allowing the snap-fit ​​block to engage in the positioning groove and fixing the inner head to the mating groove. This ensures the stability of the connection between the male and female connectors, prevents the male and female connectors from falling off and separating, which could cause the battery pack accessories to malfunction, and effectively improves the stability of use.

[0021] 2. In the process of using this utility model, by setting up an installation plate and a screw, when installing the female head, the screw of the installation plate is passed through the reserved hole of the battery pack panel, so that the installation plate fits the panel, and then the nut is screwed into the screw to fix the installation plate and the panel. The structure is simple and the installation is convenient. The integrated design of the screw and the installation plate can effectively improve the sealing effect of the installation plate. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the female head structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the male connector structure of this utility model;

[0025] Figure 4 This is a schematic diagram of the movable spring structure of this utility model.

[0026] Reference numerals: 1. Female head; 2. Male head; 201. First sealing washer; 3. Mounting plate; 301. Screw; 302. Second sealing washer; 4. Fitting groove; 401. Snap-fit ​​block; 402. Pin; 5. Wire pressing hole; 6. Inset head; 7. Movable spring; 701. Positioning groove; 702. Spring; 8. Pressing head. Detailed Implementation

[0027] The present invention will be further described in detail below with reference to the accompanying drawings.

[0028] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 The present invention provides the following technical solution: a battery pack electrode and signal line sealing adapter, including a female connector 1, a male connector 2 and a mounting plate 3. The male connector 2 is movably embedded in the front end of the female connector 1. The mounting plate 3 is integrally fixed to the outer peripheral wall of the female connector 1. The front surface of the female connector 1 is provided with a fitting groove 4. The rear end opening of the male connector 2 is provided with a wire pressing hole 5. The front end of the male connector 2 is integrally connected with an inner head 6. The top surface of the inner head 6 is movably fitted with a movable spring piece 7. The rear end position of the top surface of the movable spring piece 7 is fixedly connected with a pressing head 8.

[0029] Reference Figure 2 As shown, specifically, the inner top surface of the fitting groove 4 is integrally injection molded with a snap-fit ​​block 401, and several pins 402 are fixedly inserted inside the fitting groove 4. The inner head 6 is movably embedded inside the fitting groove 4. The internal connection wires and external connection wires of the battery pack are respectively connected to the pins 402 and the wire pressing hole 5. After the female head 1 and the male head 2 are connected, the pins 401 are inserted into the inner head 6 to realize the connection of the internal and external connection wires.

[0030] Reference Figure 3 and Figure 4As shown, specifically, the surface of the movable spring 7 has an opening with a positioning groove 701, and a spring 702 is fixedly connected to the front end of the bottom of the movable spring 7; the pressing head 8 is elastically embedded in the top surface of the male head 2, and the locking block 401 is movably fitted into the positioning groove 701; the male head 2 and the inner head 6 are integrally injection molded, and a first sealing gasket 201 is fixedly sleeved on the surface of the connection between the male head 2 and the inner head 6. Pressing the pressing head 8 causes the movable spring 7 to move downward and squeeze the spring 702, and inserts the inner head 6 of the male head 2 into the fitting groove 4 of the female head 1. Releasing the pressing head 8... Spring 702 rebounds and pushes movable spring 7 to reset, causing snap-fit ​​block 401 to engage with positioning groove 701, fixing inner head 6 with engagement groove 4, ensuring the stability of the connection between male head 2 and female head 1, preventing the male and female heads from falling off and separating, which would cause the battery pack accessories to malfunction, and effectively improving the stability of use. After male head 2 and female head 1 are connected, the first sealing gasket 201 is located at the connection between the two, using its own rubber elasticity to fill the gap, ensuring the sealing between male head 2 and female head 1, and preventing dust and moisture from entering the adapter and affecting the use effect.

[0031] Reference Figure 1 and Figure 2 As shown, specifically, four screws 301 are welded to the back of the mounting plate 3, and the screws 301 are distributed in a rectangular array. A second sealing gasket 302 is attached to the back of the mounting plate 3. Both the first sealing gasket 201 and the second sealing gasket 302 are made of rubber material. When installing the female head 1, the screws 301 of the mounting plate 3 are passed through the reserved holes in the battery pack panel, so that the mounting plate 3 is attached to the panel. Then, the nut is screwed into the screws 301 to fix the mounting plate 3 to the panel. The structure is simple and the installation is convenient. The integrated design of the screws 301 and the mounting plate 3 can effectively improve the sealing effect of the mounting plate 3. After the mounting plate 3 is installed, the second sealing gasket 302 is located between the mounting plate 3 and the panel, which further improves the sealing performance at the connection between the female head 1 and the panel and prevents dust and moisture from entering the battery pack.

[0032] The usage process and working principle of this utility model are as follows: First, the screw 301 of the mounting plate 3 is passed through the pre-drilled hole in the battery pack panel, allowing the mounting plate 3 to fit against the panel. Then, the nut is screwed into the screw 301 to fix the mounting plate 3 to the panel, completing the fixing of the female connector 1. The structure is simple and easy to install. The integrated design of the screw 301 and the mounting plate 3 effectively improves the sealing effect of the mounting plate 3. After the mounting plate 3 is installed, the second sealing washer 302 is located between the mounting plate 3 and the panel, further improving the sealing at the connection between the female connector 1 and the panel, preventing dust and moisture from entering the battery pack. Then, the internal and external connecting wires of the battery pack are connected to the pin 402 and the wire clamping hole 5 respectively. After the female connector 1 and the male connector 2 are connected, the pin 401 is inserted into the embedded head 6. This connects the internal and external connection lines. Then, pressing the press head 8 causes the movable spring 7 to move downward and compress the spring 702, inserting the inner head 6 of the male connector 2 into the fitting groove 4 of the female connector 1. Releasing the press head 8 causes the spring 702 to rebound and push the movable spring 7 back to its original position, causing the snap-fit ​​block 401 to engage with the positioning groove 701, fixing the inner head 6 to the fitting groove 4. This ensures the stability of the connection between the male connector 2 and the female connector 1, preventing the male and female connectors from falling off and separating, which could cause the battery pack accessories to malfunction. The stability of use is effectively improved. After the male connector 2 and the female connector 1 are connected, the first sealing gasket 201 is located at the connection point between the two. It uses the elasticity of its own rubber to fill the gap, ensuring the sealing between the male connector 2 and the female connector 1, and preventing dust and moisture from entering the adapter and affecting the performance.

[0033] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A battery pack electrode and signal line sealing adapter, comprising a female connector (1), a male connector (2), and a mounting plate (3), characterized in that: The male head (2) is movably embedded in the front end of the female head (1), the mounting plate (3) is integrally fixed to the outer peripheral wall of the female head (1), the front surface of the female head (1) is provided with a fitting groove (4), the rear end opening of the male head (2) is provided with a wire pressing hole (5), and the front end of the male head (2) is integrally connected with an inner head (6), the top surface of the inner head (6) is movably fitted with a movable spring piece (7), and the rear end position of the top surface of the movable spring piece (7) is fixedly connected with a pressing head (8).

2. The electrode and signal line sealing adapter for a battery pack according to claim 1, characterized in that: The fitting groove (4) has an integral injection molded snap-fit ​​block (401) on its inner top surface, and several pins (402) are fixedly inserted inside the fitting groove (4). The insert head (6) is movably embedded inside the fitting groove (4).

3. A battery pack electrode and signal line sealing adapter according to claim 1, characterized in that: The surface opening of the movable spring (7) is provided with a positioning groove (701), and a spring (702) is fixedly connected to the front end of the bottom of the movable spring (7).

4. A battery pack electrode and signal line sealing adapter according to claim 2, characterized in that: The pressing head (8) is elastically embedded in the top surface of the male head (2), and the snap-fit ​​block (401) is movably fitted into the positioning groove (701).

5. A battery pack electrode and signal line sealing adapter according to claim 1, characterized in that: The male head (2) and the inner head (6) are integrally injection molded, and a first sealing gasket (201) is fixedly sleeved on the surface of the connection between the male head (2) and the inner head (6).

6. A battery pack electrode and signal line sealing adapter according to claim 1, characterized in that: Four screws (301) are welded to the back of the mounting plate (3), and the screws (301) are distributed in a rectangular array.

7. A battery pack electrode and signal line sealing adapter according to claim 5, characterized in that: The back of the mounting plate (3) is fitted with a second sealing gasket (302), and both the first sealing gasket (201) and the second sealing gasket (302) are made of rubber material.

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