High-voltage aluminum row connector of electric automobile

Abstract

The utility model relates to the technical field of connectors, in particular to an electric automobile high-voltage aluminum bar connector which comprises a connector shell, an equipment end shell and an aluminum bar, one end of the aluminum bar is inserted into the connector shell, the equipment end shell is connected with the connector shell, and the equipment end shell is connected with the connector shell. A connecting assembly used for improving the connecting strength of the aluminum bar and the connector shell is arranged in the equipment end shell. The weight of the connector is reduced, so that the weight of a power assembly system is reduced, and the production cost of the connector is reduced on the premise that the reliability and durability of the connector are guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of connectors, in particular to a high-voltage aluminum bar connector for electric vehicles. BACKGROUND

[0002] With the continuous development of electric vehicles, the power of electric vehicle power batteries is increasing, and the endurance of electric vehicles is also increasing. When customers use electric vehicles, the charging time is also increasing. In order to improve user experience and shorten charging time, effective transmission of electric energy has become one of the key technologies in the field of electric vehicles.

[0003] The current electric vehicles usually use copper material to make cables to realize electrical connection between electronic components. Although the use of copper material to make cables ensures good electrical conductivity and stability, it also increases the weight of the powertrain system and increases the production cost. CONTENT OF THE UTILITY MODEL

[0004] In order to reduce the weight of the connector, thereby reducing the weight of the powertrain system, and further reducing the production cost of the connector under the premise of ensuring the reliability and durability of the connector, the present application provides a high-voltage aluminum bar connector for electric vehicles.

[0005] The present application provides a high-voltage aluminum bar connector for electric vehicles, which adopts the following technical scheme:

[0006] A high-voltage aluminum bar connector for electric vehicles, comprising a connector housing, a device end housing and an aluminum bar, one end of the aluminum bar is inserted into the inside of the connector housing, the device end housing and the connector housing are connected and arranged, and the device end housing is provided with a connection assembly for improving the connection strength of the aluminum bar and the connector housing.

[0007] By adopting the above technical scheme, replacing copper cables with aluminum bars helps to reduce the weight of the connector, thereby helping to reduce the weight of the powertrain system, and further helping to reduce the production cost of the connector under the premise of ensuring the reliability and durability of the connector. The use of the connection assembly helps to improve the connection strength of the connector and the aluminum bar, thereby helping to ensure the normal use of the connector.

[0008] In one specific implementation scheme, the connection assembly comprises a connection end cover and a connection column, the connection end cover is arranged in the device end housing and is connected and arranged with the connector housing, one end of the connection column is connected with the connection end cover, one end of the aluminum bar located in the connector housing is provided with a plug-through hole, and one end of the connection column away from the connection end cover is inserted into the plug-through hole.

[0009] By adopting the technical scheme, the connecting column on the connecting end cover helps to be matched and inserted into the plug-in through hole on the aluminum row, thereby helping to improve the connecting strength of the connector and the aluminum row, guarantee the connecting stability of the connector and the aluminum row, and further help to guarantee the normal use of the connector.

[0010] In a specific implementable scheme, a circumferential insulating sleeve is arranged on the aluminum row, a first sealing ring is arranged at the joint of the insulating sleeve and the connector housing, and a limiting assembly for limiting the first sealing ring is arranged on the connector housing.

[0011] By adopting the technical scheme, the insulating sleeve helps to isolate and protect the aluminum row, thereby helping to guarantee the safety and reliability of the connector. The first sealing ring helps to seal the joint of the insulating sleeve and the connector housing, thereby helping to improve the sealing and waterproof performance of the connector, and further helping to improve the use safety of the connector. The limiting assembly helps to limit the first sealing ring, thereby helping to improve the stability of the installation position of the first sealing ring, and further helping to guarantee the use effect of the first sealing ring.

[0012] In a specific implementable scheme, the limiting assembly includes a limiting end cover and a clamping undercut, the limiting end cover is provided with a penetrating opening for the insulating sleeve to penetrate and for the first sealing ring to block, the clamping undercut is arranged on the connector housing, the limiting end cover is provided with a clamping groove, and the clamping undercut is clamped in the clamping groove.

[0013] By adopting the technical scheme, the clamping undercut helps to clamp and fix the limiting end cover on the connector housing, thereby helping to keep the relative position of the limiting end cover and the connector housing unchanged, and further helping to limit the first sealing ring by the limiting end cover, thereby improving the stability of the installation position of the first sealing ring and guaranteeing the use effect of the first sealing ring.

[0014] In a specific implementable scheme, a second sealing ring is arranged on the connector housing, the second sealing ring is located at the clamping position of the connecting end cover and the connector housing, and the second sealing ring is in interference fit with the device end housing.

[0015] By adopting the technical scheme, the second sealing ring helps to seal the connecting position of the connector housing and the device end housing, thereby helping to improve the sealing and waterproof performance of the connecting position of the connector housing and the device end housing, and further helping to improve the use safety of the connector. The cooperation of the connector housing and the connecting end cover helps to limit the position of the second sealing ring, thereby helping to improve the stability of the installation position of the second sealing ring, and further helping to guarantee the use effect of the second sealing ring.

[0016] In one specific implementation, the connector housing is fixedly provided with a cover, and the connector housing and the cover are jointly provided with a sealing assembly for sealing the connection position of the connector housing and the cover.

[0017] By using the above technical solution, the cover helps to prevent the operator from touching the aluminum bar by mistake, thereby helping to improve the safety of the connector in use. The sealing assembly helps to seal the connection position of the connector housing and the cover, thereby helping to improve the sealing and waterproof performance of the connector, and further helping to improve the safety of the connector in use.

[0018] In one specific implementation, the sealing assembly includes a third sealing ring and a positioning column, the positioning column is arranged on the third sealing ring, one side of the cover facing the connector housing is provided with a mounting groove, the cover is provided with a positioning through hole in communication with the mounting groove, the third sealing ring is arranged in the mounting groove, the positioning column is inserted into the positioning through hole, and one side of the third sealing ring away from the cover is clamped and arranged in the clamping groove on the side of the connector housing facing the cover.

[0019] By using the above technical solution, the third sealing ring helps to seal the connection position of the connector housing and the cover, thereby helping to improve the sealing and waterproof performance of the connector, and further helping to improve the safety of the connector in use; the positioning column cooperates with the positioning through hole to help improve the accuracy of the installation position of the third sealing ring, thereby helping to ensure the use effect of the third sealing ring.

[0020] In one specific implementation, the device end housing is provided with a positioning block, and the connector housing is provided with a positioning groove, and the positioning block is inserted and arranged in the positioning groove.

[0021] By using the above technical solution, the positioning block cooperates with the positioning groove to help improve the accuracy of the connection position of the connector housing and the device end housing, thereby helping to improve the convenience of the connection process of the connector housing and the device end housing.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. By arranging the aluminum bar and the connection assembly, the use of the aluminum bar instead of the copper cable helps to reduce the weight of the connector, thereby helping to reduce the weight of the power assembly system, and further helping to reduce the production cost of the connector while ensuring the reliability and durability of the connector; the connection assembly helps to improve the connection strength of the connector and the aluminum bar, thereby helping to ensure the normal use of the connector;

[0024] 2. The first sealing ring, the second sealing ring and the sealing assembly help to seal the connector housing together, thereby improving the sealing performance and waterproof performance of the connector housing, and further improving the use safety of the connector. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a schematic diagram of the overall structure of the embodiment of the application.

[0026] Figure 2 is a schematic diagram of the specific structure of the limiting assembly.

[0027] Figure 3 is a schematic diagram of the specific structure of the connecting assembly.

[0028] Figure 4 is a schematic diagram of the specific structure of the sealing assembly.

[0029] BRIEF DESCRIPTION OF DRAWINGS: 1, connector housing; 2, device end housing; 3, aluminum row; 4, connecting assembly; 41, connecting end cover; 42, connecting column; 5, plug-through hole; 6, insulating sleeve; 7, first sealing ring; 8, limiting assembly; 81, limiting end cover; 82, clamping reverse buckle; 9, insertion port; 10, clamping groove; 11, second sealing ring; 12, cover; 13, sealing assembly; 131, third sealing ring; 132, positioning column; 14, mounting groove; 15, positioning through hole; 16, clamping groove; 17, positioning block; 18, positioning groove. DETAILED DESCRIPTION

[0030] The application will be further described in detail below with reference to the accompanying drawings.

[0031] The embodiment of the application discloses an electric vehicle high-voltage aluminum row connector, referring to Figure 1 and Figure 2 , comprising a connector housing 1, a device end housing 2 and an aluminum row 3, in the embodiment, the connector housing 1 is an insulating housing made of plastic material, the device end housing 2 is fixedly connected with the connector housing 1 through a plurality of bolts, one end of the aluminum row 3 in the length direction is fixedly inserted into the inside of the connector housing 1, and the insulating sleeve 6 is fixedly sleeved on the circumference of the aluminum row 3.

[0032] Referring to Figure 1 and Figure 2 , replacing the copper cable with the aluminum row 3 helps to reduce the weight of the connector, thereby helping to reduce the weight of the powertrain system, and further helping to reduce the production cost of the connector under the premise of ensuring the reliability and durability of the connector. The insulating sleeve 6 helps to isolate and protect the aluminum row 3, thereby helping to ensure the safety and reliability of the connector during use.

[0033] Referring toFigure 2 The first sealing ring 7 is sleeved on the junction of the insulating sleeve 6 and the connector shell 1. The junction of the connector shell 1 and the insulating sleeve 6 is provided with a limiting assembly 8, which includes a limiting end cover 81 and a plurality of clamping reverse buckles 82. The plurality of clamping reverse buckles 82 are fixedly installed on the connector shell 1. The limiting end cover 81 is provided with a plurality of clamping grooves 10 and a penetrating opening 9 for the insulating sleeve 6. Each clamping reverse buckle 82 is clamped with a clamping groove 10.

[0034] Referring to Figure 2 The first sealing ring 7 helps to seal the junction of the insulating sleeve 6 and the connector shell 1, thereby improving the sealing and waterproof performance of the connector, and further improving the safety of the connector. By clamping the clamping reverse buckle 82 with the clamping groove 10, the limiting end cover 81 is clamped and fixed on the connector shell 1, thereby limiting the displacement of the first sealing ring 7 by the limiting end cover 81, and further improving the stability of the first sealing ring 7 sleeved on the insulating sleeve 6, and ensuring the sealing effect of the first sealing ring 7.

[0035] Referring to Figure 3 The device end shell 2 is provided with a connecting assembly 4, which includes a connecting end cover 41 and a plurality of connecting columns 42. The connecting end cover 41 is fixedly installed in the device end shell 2 and clamped with the connector shell 1. One end of the plurality of connecting columns 42 is fixedly connected with the connecting end cover 41. The aluminum row 3 is provided with a plurality of plug-in through holes 5 at one end located in the connector shell 1. One end of each connecting column 42 away from the connecting end cover 41 is inserted into the plug-in through hole 5.

[0036] Referring to Figure 3 During the connection of the connector shell 1 and the device end shell 2, the plurality of connecting columns 42 on the connecting end cover 41 are inserted into the plurality of plug-in through holes 5 on the aluminum row 3 one by one, thereby improving the connection strength of the connector shell 1 and the aluminum row 3, ensuring the connection stability of the connector shell 1 and the aluminum row 3, and further ensuring the normal use of the connector.

[0037] Referring to Figure 3The second sealing ring 11 is fixedly installed on the connector shell 1, is located at the clamping position of the connecting end cover 41 and the connector shell 1, and is in interference fit with the device end shell 2. The second sealing ring 11 helps to seal the connection position of the connector shell 1 and the device end shell 2, thereby helping to improve the sealing performance and waterproof performance of the connection position of the connector shell 1 and the device end shell 2, and further helping to improve the use safety of the connector. The clamping of the connector shell 1 and the connecting end cover 41 helps to limit the position of the second sealing ring 11, thereby helping to improve the stability of the installation position of the second sealing ring 11, and further helping to ensure the use effect of the second sealing ring 11.

[0038] With reference to Figure 2 The positioning block 17 is integrally formed on the device end shell 2, and the positioning groove 18 is formed on the connector shell 1, and the positioning block 17 is inserted into the positioning groove 18. By inserting the positioning block 17 into the positioning groove 18, the connection position of the connector shell 1 and the device end shell 2 can be positioned, thereby helping to improve the accuracy of the connection position of the connector shell 1 and the device end shell 2, and further helping to improve the convenience of the connection process of the connector shell 1 and the device end shell 2.

[0039] With reference to Figure 2 and Figure 4 The cover 12 is fixedly connected to the connector shell 1 by a plurality of bolts. The sealing assembly 13 is arranged on the connector shell 1 and the cover 12, and the sealing assembly 13 comprises a third sealing ring 131 and a plurality of positioning columns 132. The plurality of positioning columns 132 are integrally formed with the third sealing ring 131. The mounting groove 14 is formed on the side of the cover 12 facing the connector shell 1. A plurality of positioning through holes 15 are formed through the cover 12 and are in communication with the mounting groove 14. The third sealing ring 131 is clamped and fixed in the mounting groove 14. Each positioning column 132 is inserted into one positioning through hole 15. The clamping groove 16 is formed on the side of the connector shell 1 facing the cover 12. The side of the third sealing ring 131 away from the cover 12 is clamped and fixed in the clamping groove 16.

[0040] With reference to Figure 2 and Figure 4 The cover 12 helps to prevent the operator from accidentally touching the aluminum row 3, thereby helping to improve the use safety of the connector. The third sealing ring 131 helps to seal the connection position of the connector shell 1 and the cover 12, thereby helping to improve the sealing performance and waterproof performance of the connector, and further helping to improve the use safety of the connector. The positioning column 132 cooperates with the positioning through hole 15 to help improve the accuracy of the installation position of the third sealing ring 131, thereby helping to ensure the use effect of the third sealing ring 131.

[0041] The implementation principle of the embodiment of the application is that: by replacing the copper cable with the aluminum bar 3, the weight of the connector is reduced, thereby the weight of the power assembly system is reduced, and the production cost of the connector is reduced under the premise of ensuring the reliability and durability of the connector.

[0042] During the connection of the connector housing 1 and the equipment end housing 2, the plurality of connecting columns 42 on the connecting end cover 41 are inserted into the plurality of plug-in through holes 5 on the aluminum bar 3 one by one, thereby the connection strength of the connector housing 1 and the aluminum bar 3 is improved, the connection stability of the connector housing 1 and the aluminum bar 3 is ensured, and the normal use of the connector is ensured.

[0043] The first sealing ring 7 helps to seal the junction of the insulating sleeve 6 and the connector housing 1, thereby the sealing property and waterproof property of the connector are improved, and the use safety of the connector is improved. The second sealing ring 11 helps to seal the connection position of the connector housing 1 and the equipment end housing 2, thereby the sealing property and waterproof property of the connection position of the connector housing 1 and the equipment end housing 2 are improved, and the use safety of the connector is improved. The third sealing ring 131 helps to seal the connection position of the connector housing 1 and the cover 12, thereby the sealing property and waterproof property of the connector are improved, and the use safety of the connector is improved.

[0044] The above are the preferred embodiments of the application, and do not limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. An electric vehicle high voltage aluminum busbar connector, characterized by: The utility model provides a connector, including connector shell (1), equipment end shell (2) and aluminium row (3), one end of aluminium row (3) is inserted in the inside of connector shell (1), equipment end shell (2) and connector shell (1) are connected and are arranged, be provided with the connecting assembly (4) for improving the connecting strength of aluminium row (3) and connector shell (1) in equipment end shell (2).

2. The high voltage aluminum busbar connector of electric vehicle of claim 1, wherein: The connecting assembly (4) includes a connecting end cover (41) and a connecting column (42), the connecting end cover (41) is arranged in the equipment end shell (2) and is arranged in the connector shell (1) with the connector shell (1) clamping, one end of the connecting column (42) is connected with the connecting end cover (41), one end of the aluminum row (3) located in the connector shell (1) is provided with a plug-through hole (5), one end of the connecting column (42) away from the connecting end cover (41) is inserted into the plug-through hole (5).

3. The high voltage aluminum busbar connector of electric vehicle of claim 1, wherein: The circumference of the aluminum row (3) is sleeved with an insulating sleeve (6), the junction of the insulating sleeve (6) and the connector shell (1) is sleeved with a first sealing ring (7), and the connector shell (1) is provided with a limiting assembly (8) for limiting the first sealing ring (7).

4. The high voltage aluminum busbar connector of electric vehicle of claim 3, wherein: The limiting assembly (8) includes a limiting end cover (81) and a clamping reverse buckle (82), the limiting end cover (81) is provided with a through hole (9), the through hole (9) is used for inserting the insulating sleeve (6) and blocking the first sealing ring (7), the clamping reverse buckle (82) is arranged on the connector shell (1), the limiting end cover (81) is provided with a clamping groove (10), and the clamping reverse buckle (82) is clamped in the clamping groove (10).

5. The high voltage aluminum busbar connector of an electric vehicle of claim 2, wherein: The connector shell (1) is provided with a second sealing ring (11), the second sealing ring (11) is located at the clamping position of the connecting end cover (41) and the connector shell (1), and the second sealing ring (11) is in interference fit with the equipment end shell (2).

6. The high voltage aluminum busbar connector of electric vehicle of claim 1, wherein: The connector shell (1) is fixedly provided with a cover (12), and the connector shell (1) and the cover (12) are jointly provided with a sealing assembly (13) for sealing the connecting position of the connector shell (1) and the cover (12).

7. The high voltage aluminum busbar connector of an electric vehicle of claim 6, wherein: The sealing assembly (13) includes a third sealing ring (131) and a positioning column (132), the positioning column (132) is arranged on the third sealing ring (131), one side of the cover (12) facing the connector shell (1) is provided with a mounting groove (14), the cover (12) is provided with a positioning through hole (15) communicating with the mounting groove (14), the third sealing ring (131) is arranged in the mounting groove (14), the positioning column (132) is inserted into the positioning through hole (15), and one side of the connector shell (1) facing the cover (12) is provided with a clamping groove (16), and the third sealing ring (131) is clamped in the clamping groove (16) away from the cover (12).

8. The high voltage aluminum busbar connector of electric vehicle of claim 1, wherein: The device end shell (2) is provided with a positioning block (17), and the connector shell (1) is provided with a positioning groove (18), and the positioning block (17) is inserted into the positioning groove (18).

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