Sealed terminal for a storage battery

Abstract

The utility model discloses a kind of battery sealed terminals, it relates to battery technology field, including battery box cover, the top inner wall of battery box cover is provided with sealing assembly, sealing assembly includes external sealing cover, the middle of external sealing cover is provided with long screw rod, and the bottom end of long screw rod is connected with connecting sleeve, the top of connecting sleeve is provided with clamping groove and L-shaped sealing ring, and the bottom of connecting sleeve is provided with threaded sleeve, the outside of threaded sleeve is provided with connecting sleeve and extruding block, and the middle of threaded sleeve is provided with sealing ring. The utility model is connected external sealing cover and connecting sleeve by the long screw rod setting, so that L-shaped sealing ring is connected at the connecting place of connecting sleeve, lead-out pole and battery box cover, and the bottom of connecting sleeve is sleeved in connecting sleeve and sealing ring, further improve the sealing effect of connecting place, prevent terminal and lead-out pole appear leakage after long time use, affect sealing effect.

Description

Technical Field

[0001] This utility model relates to the field of storage battery technology, and in particular to a storage battery sealing terminal. Background Technology

[0002] The battery manufacturing process includes steps such as batching, mixing, coating, rolling, slitting, sheet making, stacking, encapsulation, drying, electrolyte injection, sealing, cleaning, formation, capacity testing, and packaging. The sealing process involves using a robotic arm to drive a welding gun to weld battery caps onto the electrolyte injection port to prevent leakage of electrolyte from the battery. Therefore, this process is also called the sealing process of battery terminals.

[0003] However, in the existing technology, battery boxes are usually sealed with sealant, which results in many assembly steps and low efficiency. Therefore, there is a need to provide a battery sealing terminal to solve the above problems. Utility Model Content

[0004] The main objective of this invention is to provide a sealed battery terminal that can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A battery sealing terminal includes a battery box cover, wherein a lead-out post and a terminal are provided in the middle of the battery box cover, and a sealing component is provided on the top inner wall of the battery box cover.

[0007] The sealing assembly includes an outer sealing cover, a long threaded rod in the middle of the outer sealing cover, and a connecting sleeve connected to the bottom end of the long threaded rod. The top of the connecting sleeve is provided with a groove and an L-shaped sealing ring, and the bottom of the connecting sleeve is provided with a threaded sleeve. A connecting sleeve is provided outside the threaded sleeve, and a sealing ring is provided in the middle of the threaded sleeve. A pressing block is provided inside the connecting sleeve, and a hexagonal rotating block is provided outside the connecting sleeve.

[0008] Preferably, the outer sealing cover is sleeved on the outside of the terminal, and the bottom of the outer sealing cover is in contact with the top of the battery box cover. The bottom of the outer sealing cover is connected to a long threaded rod by a thread, and the long threaded rod passes through the battery box cover and connects to the bottom of the battery box cover. The bottom end of the long threaded rod is connected to a connecting sleeve by a thread.

[0009] Preferably, the connecting sleeve is fitted over the outside of the lead-out terminal, and a threaded connecting groove is provided in the middle of one side of the connecting sleeve. The long threaded rod is connected to the inside of the threaded connecting groove. A retaining groove is provided at the top of the connecting sleeve, and an L-shaped sealing ring is engaged inside the retaining groove. The top of the L-shaped sealing ring contacts the top inner wall of the battery box cover, and the inner wall of the L-shaped sealing ring contacts the outer wall of the lead-out terminal.

[0010] Preferably, a threaded sleeve is fixedly connected to the bottom of the connecting sleeve, and a connecting sleeve is fitted on the outer wall of the threaded sleeve. A threaded groove is formed on the inner wall of the connecting sleeve near the threaded sleeve, and the connecting sleeve is connected to the threaded sleeve through the threaded groove. The top end of the connecting sleeve is in contact with the bottom of the connecting sleeve.

[0011] Preferably, a pressing block is fixedly connected to the bottom inner wall of the connecting sleeve, and the outer wall of the pressing block is at a certain distance from the inner wall of the connecting sleeve. A sealing ring is provided on the top of the pressing block, and the sealing ring is sleeved on the outside of the lead-out pole. The sealing ring is located in the middle of the threaded sleeve.

[0012] Preferably, a hexagonal rotating block is fixedly connected to the outer wall of the connecting sleeve, and the hexagonal rotating block is fixedly connected to the connecting sleeve.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In this invention, a long threaded rod is used to connect the external sealing cover and the connecting sleeve, thereby allowing the L-shaped sealing ring to engage at the connection between the connecting sleeve, the lead-out terminal, and the battery box cover. Furthermore, the bottom of the connecting sleeve is fitted over the connecting sleeve and the sealing ring, further improving the sealing effect at the connection and preventing leakage from the terminals and lead-out terminal after prolonged use, which would affect the sealing effect. Attached Figure Description

[0015] Figure 1 This is a first-view structural schematic diagram of the entire device of this utility model;

[0016] Figure 2 This is a second-view structural schematic diagram of the overall device of this utility model;

[0017] Figure 3 This is a schematic diagram of the sealing assembly of this utility model;

[0018] Figure 4 This is a schematic diagram of the bottom of the connecting sleeve of this utility model.

[0019] In the diagram: 1. Battery box cover; 2. Terminal; 3. Lead-out post; 4. Sealing assembly; 5. External sealing cover; 6. Long threaded rod; 7. Connecting sleeve; 8. L-shaped sealing ring; 9. Slot; 10. Threaded sleeve; 11. Sealing ring; 12. Extrusion block; 13. Connecting sleeve; 14. Threaded groove; 15. Hexagonal rotating block; 16. Threaded connection groove. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a battery sealing terminal includes a battery box cover 1, with an outlet post 3 and a terminal 2 disposed in the middle of the battery box cover 1, and a sealing component 4 disposed on the top inner wall of the battery box cover 1.

[0022] The sealing assembly 4 includes an outer sealing cover 5, a long threaded rod 6 is provided in the middle of the outer sealing cover 5, and a connecting sleeve 7 is connected to the bottom end of the long threaded rod 6. A groove 9 and an L-shaped sealing ring 8 are provided at the top of the connecting sleeve 7, and a threaded sleeve 10 is provided at the bottom of the connecting sleeve 7. A connecting sleeve 13 is provided outside the threaded sleeve 10, and a sealing ring 11 is provided in the middle of the threaded sleeve 10. A pressing block 12 is provided inside the connecting sleeve 13, and a hexagonal rotating block 15 is provided outside the connecting sleeve 13. The outer sealing cover 5 is sleeved on the outside of the terminal 2, and the bottom of the outer sealing cover 5 is in contact with the top of the battery box cover 1. The bottom of the outer sealing cover 5 is connected to the long threaded rod 6 by threads, and the long threaded rod 6 passes through the battery box cover 1 and connects to the bottom of the battery box cover 1. The bottom end of the long threaded rod 6 is connected to the connecting sleeve 7 by threads.

[0023] The connecting sleeve 7 is fitted on the outside of the lead-out terminal 3, and a threaded connecting groove 16 is opened in the middle of one side of the connecting sleeve 7. The long threaded rod 6 is connected to the inside of the threaded connecting groove 16. A slot 9 is opened on the top of the connecting sleeve 7, and an L-shaped sealing ring 8 is engaged inside the slot 9. The top of the L-shaped sealing ring 8 contacts the top inner wall of the battery box cover 1, and the inner wall of the L-shaped sealing ring 8 contacts the outer wall of the lead-out terminal 3.

[0024] A threaded sleeve 10 is fixedly connected to the bottom of the connecting sleeve 7, and a connecting sleeve 13 is fitted on the outer wall of the threaded sleeve 10. A threaded groove 14 is opened on the inner wall of the connecting sleeve 13 near the threaded sleeve 10, and the connecting sleeve 13 is connected to the threaded sleeve 10 through the threaded groove 14. The top of the connecting sleeve 13 is in contact with the bottom of the connecting sleeve 7. A pressing block 12 is fixedly connected to the bottom inner wall of the connecting sleeve 13, and the outer wall of the pressing block 12 is a certain distance from the inner wall of the connecting sleeve 13. A sealing ring 11 is provided on the top of the pressing block 12, and the sealing ring 11 is fitted on the outside of the lead-out pole 3. The sealing ring 11 is located in the middle of the threaded sleeve 10.

[0025] A hexagonal rotating block 15 is fixedly connected to the outer wall of the connecting sleeve 13. The hexagonal rotating block 15 is fixedly connected to the connecting sleeve 13. The outer sealing cover 5 and the connecting sleeve 7 are connected by a long threaded rod 6, so that the L-shaped sealing ring 8 is snapped into the connection between the connecting sleeve 7, the lead-out terminal 3 and the battery box cover 1. The bottom of the connecting sleeve 7 is fitted onto the connecting sleeve 13 and the sealing ring 11, which further improves the sealing effect at the connection and prevents leakage between the terminal 2 and the lead-out terminal 3 after long-term use, thus affecting the sealing effect.

[0026] It should be noted that this utility model is a battery sealing terminal. In use, the L-shaped sealing ring 8 and the connecting sleeve 7 are sequentially fitted onto the outside of the lead-out post 3. The L-shaped sealing ring 8 is snapped into the groove 9 on the side of the connecting sleeve 7 near the battery box cover 1. The outer sealing cover 5 is fitted onto the outside of the terminal 2. The long threaded rod 6 passes through the outer sealing cover 5, the battery box cover 1, and the connecting sleeve 7, and connects to the threaded connecting groove 16 on one side of the connecting sleeve 7. Then, the sealing ring 11 is snapped into the inside of the threaded sleeve 10. The connecting sleeve 13 is fitted onto the outside of the threaded sleeve 10 through the threaded groove 14. At the same time, the compression block 12 inside the connecting sleeve 13 achieves sealing. The compression of the sealing ring 11 fixes the sealing ring 11 between the sealing ring 11 and the connecting sleeve 13, further improving the sealing effect at the terminal 2 connection. The sealing ring 11 has a groove in the middle of its side wall, which facilitates the compression of the sealing ring 11. The connecting sleeve 13 is connected to the connecting sleeve 7 through the threaded groove 14, which facilitates the disassembly and installation of the device and improves the ease of use of the device. At the same time, the connecting sleeve 13 and the threaded sleeve 10 are fitted outside the threaded sleeve 10, and the connecting sleeve 7 is fitted outside the L-shaped sealing ring 8, thereby protecting the L-shaped sealing ring 8 and the sealing ring 11 and extending the service life of the sealing ring 11 and the L-shaped sealing ring 8.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A battery sealing terminal, comprising a battery box cover (1), characterized in that: The battery box cover (1) is provided with lead-out posts (3) and terminals (2) in the middle, and a sealing component (4) is provided on the top inner wall of the battery box cover (1). The sealing assembly (4) includes an outer sealing cover (5), a long threaded rod (6) is provided in the middle of the outer sealing cover (5), and a connecting sleeve (7) is connected to the bottom end of the long threaded rod (6). A groove (9) and an L-shaped sealing ring (8) are provided on the top of the connecting sleeve (7), and a threaded sleeve (10) is provided at the bottom of the connecting sleeve (7). A connecting sleeve (13) is provided on the outside of the threaded sleeve (10), and a sealing ring (11) is provided in the middle of the threaded sleeve (10). A pressing block (12) is provided inside the connecting sleeve (13), and a hexagonal rotating block (15) is provided on the outside of the connecting sleeve (13).

2. A battery sealing terminal according to claim 1, characterized in that: The outer sealing cover (5) is sleeved on the outside of the terminal (2), and the bottom of the outer sealing cover (5) is in contact with the top of the battery box cover (1). The bottom of the outer sealing cover (5) is connected to a long threaded rod (6) by a thread, and the long threaded rod (6) passes through the battery box cover (1) and is connected to the bottom of the battery box cover (1). The bottom end of the long threaded rod (6) is connected to a connecting sleeve (7) by a thread.

3. A battery sealing terminal according to claim 2, characterized in that: The connecting sleeve (7) is fitted on the outside of the lead-out post (3), and a threaded connecting groove (16) is provided in the middle of one side of the connecting sleeve (7). The long threaded rod (6) is connected to the inside of the threaded connecting groove (16). A slot (9) is provided on the top of the connecting sleeve (7), and an L-shaped sealing ring (8) is engaged inside the slot (9). The top of the L-shaped sealing ring (8) is in contact with the top inner wall of the battery box cover (1), and the inner wall of the L-shaped sealing ring (8) is in contact with the outer wall of the lead-out post (3).

4. A battery sealing terminal according to claim 1, characterized in that: The bottom of the connecting sleeve (7) is fixedly connected to a threaded sleeve (10), and a connecting sleeve (13) is fitted on the outer wall of the threaded sleeve (10). A threaded groove (14) is opened on the inner wall of the connecting sleeve (13) near the threaded sleeve (10), and the connecting sleeve (13) is connected to the threaded sleeve (10) through the threaded groove (14). The top end of the connecting sleeve (13) is in contact with the bottom of the connecting sleeve (7).

5. A battery sealing terminal according to claim 4, characterized in that: A pressing block (12) is fixedly connected to the bottom inner wall of the connecting sleeve (13), and the outer wall of the pressing block (12) is at a certain distance from the inner wall of the connecting sleeve (13). A sealing ring (11) is provided on the top of the pressing block (12), and the sealing ring (11) is sleeved on the outside of the lead-out pole (3). The sealing ring (11) is located in the middle of the threaded sleeve (10).

6. A battery sealing terminal according to claim 5, characterized in that: A hexagonal rotating block (15) is fixedly connected to the outer wall of the connecting sleeve (13), and the hexagonal rotating block (15) is fixedly connected to the connecting sleeve (13).

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