Copper bar waterproof connection assembly for large current transmission

Abstract

The utility model belongs to the technical field of automobile accessories, and particularly relates to a copper bar waterproof connecting assembly for large current transmission, which comprises a connector, a copper bar assembly and a protective cover, a terminal is arranged in the connector, the lower end of the terminal extends to the lower side of the connector, the copper bar assembly consists of a copper bar main body and a connecting frame, and the connecting frame is mounted at the upper end of the connector. The protective cover is installed at the upper end of the connecting frame, an annular first sealing groove is formed in the upper end face of the connector, a first waterproof ring is installed in the first sealing groove, and the first waterproof ring abuts against the lower end face of the connecting frame. And the first sealing groove is positioned at the joint between the connector and the connecting frame and is matched with the first waterproof ring to provide a waterproof function for the lower part of the connecting frame, so that the joint between the copper bar assembly and the connector has good waterproof performance.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts, and particularly relates to a copper bar waterproof connection assembly for large current transmission. Background Art

[0002] Copper bars are applicable to large current electrical appliances in automobiles, such as high and low voltage electrical appliances, switch contacts, bus ducts and other electrical appliances, which need to accommodate large current passing through and control multiple functions of the automobile. However, it is not convenient to achieve the insulation protection function in a simple way by wrapping an insulating layer at the connection between the copper bar and the equipment.

[0003] The utility model designs a copper bar waterproof connection assembly for large current transmission to solve the above problems. Content of the Utility Model

[0004] In order to achieve the above object, the utility model adopts the following technical solutions:

[0005] A copper bar waterproof connection assembly for large current transmission, which comprises a connector, a copper bar assembly and a protection cover. Terminals are arranged inside the connector, and the lower ends of the terminals extend to the lower side of the connector. The copper bar assembly is composed of a copper bar main body and a connection frame. The connection frame is installed at the upper end of the connector, and the protection cover is installed at the upper end of the connection frame. An annular first sealing groove is arranged on the upper end face of the connector, and a first waterproof ring is installed in the first sealing groove. The first waterproof ring abuts against the lower end face of the connection frame.

[0006] As a preferred solution, the connector is provided with mounting holes for connecting with a charger, and washers are arranged in the mounting holes.

[0007] As a preferred solution, a second sealing groove is arranged on the connection frame at the same plane as the lower opening of the mounting hole, and a second waterproof ring is installed in the second sealing groove.

[0008] As a preferred solution, a third waterproof ring is installed between the outer wall of the upper end of the connection frame and the inner wall of the protection cover.

[0009] As a preferred solution, the central axes of the connector, the connection frame and the protection cover coincide, and a bolt with the bottom connected to the terminal is installed inside the connection frame.

[0010] As a preferred solution, the protection cover is installed on the connection frame in a snap connection manner, and a limiting frame in contact with the outer wall of the protection cover is arranged at the outer end of the connection frame.

[0011] As a preferred solution, an insulating layer is wrapped outside the copper bar main body.

[0012] Compared with the existing technology, the advantages of the utility model are as follows:

[0013] 1. The protective cover of the present utility model provides insulation protection, waterproofing, and dustproofing functions above the connecting frame. The first sealing groove is located at the connection between the connector and the connecting frame, and together with the first waterproof ring, it provides waterproofing function below the connecting frame. Therefore, the connection between the copper busbar assembly and the connector has good waterproof performance. Description of the Drawings

[0014] Figure 1 is a schematic diagram of the present utility model.

[0015] Figure 2 is a schematic diagram of the copper busbar assembly of the present utility model.

[0016] Figure 3 is a schematic diagram of the connector of the present utility model.

[0017] Figure 4 is a schematic diagram of the connection relationship between the connector and the connecting frame of the present utility model.

[0018] Names of the reference numerals in the figure: 1. Connector; 2. Copper busbar assembly; 3. Protective cover; 4. Copper busbar body; 5. Connecting frame; 6. First sealing groove; 7. First waterproof ring; 8. Mounting hole; 9. Washer; 10. Second sealing groove; 11. Second waterproof ring; 12. Third waterproof ring; 14. Limiting frame; 15. Insulating layer; 16. Terminal. Detailed Embodiment

[0019] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments or drawings are used to illustrate the present utility model, but not to limit the scope of the present utility model.

[0020] A copper busbar waterproof connection assembly for high-current transmission, as Figures 1 to 4 shown, includes a connector 1, a copper busbar assembly 2, and a protective cover 3. A terminal 16 is arranged inside the connector 1. The connector 1 and the terminal 16 are injection-molded into one piece. The lower end of the terminal 16 extends to the lower side of the connector 1. The copper busbar assembly 2 is composed of a copper busbar body 4 and a connecting frame 5. The connecting frame 5 is installed at the upper end of the connector 1. The protective cover 3 is installed at the upper end of the connecting frame 5. An annular first sealing groove 6 is arranged on the upper end surface of the connector 1. A first waterproof ring 7 is installed in the first sealing groove 6, and the first waterproof ring 7 abuts against the lower end surface of the connecting frame 5.

[0021] The protective cover 3 provides insulation protection, waterproofing, and dustproofing functions above the connecting frame 5. The first sealing groove 6 is located at the connection between the connector 1 and the connecting frame 5, and together with the first waterproof ring 7, it provides waterproofing function below the connecting frame 5. Therefore, the connection between the copper busbar assembly 2 and the connector 1 has good waterproof performance.

[0022] The connector 1 is provided with a mounting hole 8 for connecting to a charger, and a washer 9 is arranged in the mounting hole 8.

[0023] As shown Figure 4 in the figure, a second sealing groove 10 is provided on the connecting frame 5 and is in the same plane as the lower opening of the mounting hole 8, and a second waterproof ring 11 is installed in the second sealing groove 10. The connecting frame 5 is installed on the charger housing by means of a threaded fastener through the mounting hole 8. The second sealing groove 10 is located at the end face where the connecting frame 5 contacts the charger housing, and cooperates with the second waterproof ring 11 to realize the waterproof function between the connecting frame 5 and the charger housing, meeting the sealing requirements.

[0024] A third waterproof ring 12 is installed between the outer wall of the upper end of the connecting frame 5 and the inner wall of the protective cover 3. The third waterproof ring 12 is located at the gap between the connecting frame 5 and the protective cover 3 to achieve the waterproof function.

[0025] The central axes of the connector 1, the connecting frame 5, and the protective cover 3 coincide, and the connecting frame 5 is connected to the terminal 16 by bolts. The bolts realize the stable and reliable transmission function of the current between the copper busbar body 4 and the terminal 16.

[0026] As shown Figure 1 in the figure, the protective cover 3 is installed on the connecting frame 5 in a snap connection manner, and a limiting frame 14 that contacts the outer wall of the protective cover 3 is provided at the outer end of the connecting frame 5.

[0027] As shown Figure 2 in the figure, the copper busbar body 4 is wrapped with an insulating layer 15, and the copper busbar body 4, the connecting frame 5, and the insulating layer 15 are injection-molded into one body.

[0028] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A copper busbar waterproof connection assembly for high current transmission, characterized in that: The invention comprises a connector (1), a copper busbar assembly (2), and a protective cover (3). The connector (1) is provided with a terminal (16), the lower end of the terminal (16) extends to the lower side of the connector (1). The copper busbar assembly (2) is composed of a copper busbar body (4) and a connecting frame (5). The connecting frame (5) is mounted on the upper end of the connector (1). The protective cover (3) is mounted on the upper end of the connecting frame (5). The upper end surface of the connector (1) is provided with an annular first sealing groove (6). A first waterproof ring (7) is installed in the first sealing groove (6). The first waterproof ring (7) abuts against the lower end surface of the connecting frame (5).

2. The waterproof connection assembly of copper busbar for high current transmission according to claim 1 is characterized in that: The connector (1) is provided with a mounting hole (8) for connecting to a charger, and a gasket (9) is provided in the mounting hole (8).

3. The waterproof connection assembly of copper busbar for high current transmission according to claim 2 is characterized in that: The connecting frame (5) is provided with a second sealing groove (10) which is in the same plane as the lower opening of the mounting hole (8), and a second waterproof ring (11) is installed in the second sealing groove (10).

4. The waterproof connection assembly of copper busbar for high current transmission according to claim 1 is characterized in that: A third waterproof ring (12) is installed between the outer wall of the upper end of the connecting frame (5) and the inner wall of the protective cover (3).

5. The waterproof connection assembly of copper busbar for high current transmission according to claim 1 is characterized in that: The central axes of the connector (1), the connecting frame (5) and the protective cover (3) coincide with each other, and the connecting frame (5) is connected to the terminal (16) via bolts.

6. The waterproof connection assembly of copper busbar for high current transmission according to claim 1 is characterized in that: The protective cover (3) is mounted on the connecting frame (5) in a snap-fit ​​connection manner, and a limiting frame (14) is provided at the outer end of the connecting frame (5) and contacts the outer wall of the protective cover (3).

7. The waterproof connection assembly of copper busbar for high current transmission according to claim 1 is characterized in that: The copper busbar body (4) is externally wrapped with an insulating layer (15).

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