Two-chip type terminal high-voltage interlocking connector

Abstract

The utility model discloses a two-chip type terminal high-voltage interlocking connector which is good in stability, simple in structure, easy to assemble and wide in cable adaptability. According to the technical scheme, the connector comprises a connector plug and a connector socket which are in plug-in fit, and the connector plug comprises a plug shell, a plug insulating rubber core arranged in the plug shell and two sheet type power female terminals arranged in the plug insulating rubber core. The connector socket comprises a socket shell, a socket insulating rubber core arranged in the socket shell and two sheet type power male terminals arranged in the socket insulating rubber core, the rear ends of the sheet type power male terminals are connected with first nuts, the rear end of the socket insulating rubber core is provided with an extension part, and the extension part is connected with the sheet type power male terminals. The sheet-type power male terminal insert is injection-molded in the socket insulation rubber core, and the first nut insert is injection-molded in the extension part.

Description

Technical Field

[0001] The utility model belongs to the field of new energy electric vehicles, and specifically relates to a two-chip type terminal connector. Background Art

[0002] A connector is also called a connector, which is a device that connects two active devices and is used to transmit current or signals. A connector consists of a connector socket and a connector plug that is plugged into the connector socket. The connector plug includes a plug housing and a power female terminal disposed in the plug housing through an insulating rubber core, and the connector socket includes a socket housing and a power male terminal disposed in the socket housing. The main disadvantages of existing connectors are: 1. Complex structure, poor stability, and easy failure due to frequent plugging and unplugging; 2. Many parts and components, difficult to assemble; 3. Single adapter cable. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a two-chip terminal high-voltage interlocking connector which has good stability, simple structure, is easy to assemble and has wide cable adaptability.

[0004] In order to solve the above problems, the technical solution adopted by the utility model includes: a plug-in connector plug and a connector socket, characterized in that: the connector plug includes a plug housing, a plug insulating rubber core arranged in the plug housing and two sheet-type power female terminals arranged in the plug insulating rubber core; the connector socket includes a socket housing, a socket insulating rubber core arranged in the socket housing and two sheet-type power male terminals arranged in the socket insulating rubber core; the rear end of the sheet-type power male terminal is connected to a first nut, the rear end of the socket insulating rubber core is provided with an extension portion, the sheet-type power male terminal insert is injection molded in the socket insulating rubber core, and the first nut insert is injection molded in the extension portion.

[0005] The two-chip terminal high-voltage interlocking connector is characterized in that: the chip-type power female terminal includes a square socket, a welding row integrally formed with the square socket, and a spring sheet arranged in the square socket, the upper and lower end surfaces of the square socket are provided with a first card slot, the insulating rubber core of the plug is provided with a first elastic buckle that is engaged with the first card slot, and the welding row is fitted on the positioning platform in the plug housing.

[0006] The two-chip terminal high-voltage interlocking connector is characterized in that: the rear end of the plug shell is provided with a shielding cover, a pressure ring, a first sealing ring, a wire clamp and an end cover in sequence, the shielding cover is sleeved on the rear end of the plug shell, the pressure ring is sleeved on the rear end of the shielding cover, the inner end surface of the first sealing ring is fitted to the ends of the shielding cover and the pressure ring, the end surface of the wire clamp is fitted to the outer end surface of the first sealing ring, the end cover is hung with a hook at the rear end of the plug shell through a hanging groove, and a closing opening cooperating with the wire clamp is provided in the end cover.

[0007] The two-chip terminal high-voltage interlocking connector is characterized in that: the upper and lower ends of the plug insulating rubber core are provided with second elastic buckles, and the plug housing is provided with a second slot that is engaged with the second elastic buckle.

[0008] The two-chip terminal high-voltage interlocking connector is characterized in that: a raised plug locking portion is provided at the front end of the plug housing, a second nut is embedded in the plug locking portion, a socket locking portion corresponding to the plug locking portion is provided at the front end of the socket housing, and a screw connected to the second nut is provided on the socket locking portion.

[0009] The two-chip terminal high-voltage interlocking connector is characterized in that: a signal male terminal is inserted into the side of the socket shell through a signal terminal slot and fixed by a retaining piece, the retaining piece includes a retaining portion that abuts against the signal male terminal and a clamping plate arranged at both ends of the retaining portion, and third elastic buckles are arranged at both ends of the clamping plate to be clamped with the signal terminal slot, and a signal female terminal that is inserted into the signal male terminal is crimped on the plug shell.

[0010] The two-chip terminal high-voltage interlocking connector is characterized in that the socket insulating rubber core is connected to the socket housing by screws at both ends.

[0011] The two-chip terminal high-voltage interlocking connector is characterized in that a second sealing ring is provided at the front end of the plug housing.

[0012] The advantages of the two-chip terminal high-voltage interlocking connector of the utility model are as follows:

[0013] 1. The connector plug and the connector socket are electrically connected inside through the sheet-type power female terminal and the sheet-type power male terminal, wherein: the rear end of the sheet-type power female terminal is welded to the cable through an integrally formed sheet-shaped welding part, so the connection is more reliable and the cable adaptability is wide; in addition, the sheet-type power male terminal insert is injection molded in the socket insulating rubber core, and the first nut insert is injection molded in the extension part, so the connection strength is better and the influence of external vibration can be reduced;

[0014] 2. Simplify the assembly process, significantly reduce the number of parts, and improve production efficiency.

[0015] The utility model is further described below in conjunction with the accompanying drawings of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the connector of the utility model in the plugged-in state;

[0017] Figure 2 It is a structural schematic diagram of the connector plug of the utility model;

[0018] Figure 3 It is an exploded view of the connector plug of the utility model;

[0019] Figure 4 It is a cross-sectional view of the connector plug of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the connector socket of the utility model;

[0021] Figure 6 It is an exploded view of the connector socket of the utility model;

[0022] Figure 7 It is a cross-sectional view of the connector socket of the utility model;

[0023] Figure 8 This is a schematic diagram of the structure of the sheet-type power female terminal of the utility model;

[0024] Fig. 9 It is a structural schematic diagram of the anti-retraction component of the utility model. DETAILED DESCRIPTION

[0025] Reference Figure 1-9 As shown, the two-chip terminal high-voltage interlocking connector of the utility model comprises a plug-in connector plug 1 and a connector socket 2. The connector plug 1 comprises a plug housing 3, a plug insulating rubber core 4 arranged in the plug housing 3, and two sheet-type power female terminals 5 arranged in the plug insulating rubber core 4. The connector socket 2 comprises a socket housing 6, a socket insulating rubber core 7 arranged in the socket housing 6, and two sheet-type power male terminals 8 arranged in the socket insulating rubber core 7. A first nut 9 is riveted or welded to the rear end of the sheet-type power male terminal 8, and an extension portion 10 is provided at the rear end of the socket insulating rubber core 7, and the extension portion 1 extends out of the socket housing 6. The sheet-type power male terminal 8 is insert-molded in the socket insulating rubber core 7, and the first nut 9 is insert-molded in the extension portion 10. By assembling a screw in the first nut 9 to connect with the conductive bar, this structural method is adopted, not only the connection reliability is high, but also the conductive bar is not limited by space and has a wider adaptability.

[0026] Preferably, the sheet-type power female terminal 5 includes a square socket 11, a welding row 12 integrally formed with the square socket 11, and a spring 13 provided in the square socket 11. The power male terminal 8 can be more stably and tightly connected to the sheet-type power female terminal 5 through the tension of the spring 13. The upper and lower end surfaces of the square socket 11 are provided with a first card slot 14, and the plug insulating rubber core 4 is provided with a first elastic buckle 15 engaged with the first card slot 14. The welding row 12 is attached to the positioning platform 16 in the plug housing 3 to improve stability. During assembly, the sheet-type power female terminal 5 can be inserted from the rear port of the plug insulating rubber core 4, which is more convenient to assemble and has good stability.

[0027] Preferably, the rear end of the plug housing 3 is provided with a shielding cover 17, a pressure ring 18, a first sealing ring 19, a wire clamp 20 and an end cover 21 in sequence. The shielding cover 17 is sleeved on the rear end of the plug housing 3, the pressure ring 18 is sleeved on the rear end of the shielding cover 17, the inner end face of the first sealing ring 19 is fitted to the ends of the shielding cover 17 and the pressure ring 18, the end face of the wire clamp 20 is fitted to the outer end face of the first sealing ring 19, the end cover 21 is hung with a hook 23 at the rear end of the plug housing 3 through a hanging groove 22, and a retracting opening 24 that cooperates with the wire clamp 20 is provided in the end cover 21. After the external cable is inserted, the shielding cover 17 and the pressure ring 18 cooperate to achieve fixation and shielding; the first sealing ring 19 achieves waterproofing; the wire clamp 20 and the end cover 21 cooperate to achieve wire fixation.

[0028] Preferably, the upper and lower ends of the plug insulating rubber core 4 are provided with second elastic buckles 25, and the plug housing 3 is provided with a second slot 26 engaged with the second elastic buckle 25. During assembly, the plug insulating rubber core 4 can be inserted from one end of the plug housing 3, which is more convenient to install.

[0029] Preferably, a protruding plug locking portion 27 is provided at the front end of the plug housing 3, a second nut 28 is embedded in the plug locking portion 27, a socket locking portion 29 adapted to the plug locking portion 27 is provided at the front end of the socket housing 6, and a screw 30 connected to the second nut 28 is provided on the socket locking portion 29. When the connector plug 1 and the connector socket 2 are plugged together, the socket locking portion 29 is inserted into the plug locking portion 27, and then the screw 30 is tightened to achieve the locking of the connector plug 1 and the connector socket 2. This locking method has the advantages of simple structure and high strength.

[0030] Preferably, the side of the socket housing 6 is plugged with a signal male terminal 32 through a signal terminal slot 31 and fixed by a stopper 33. The stopper 33 includes a stopper 34 that abuts against the signal male terminal 32 and a clamping plate 35 provided at both ends of the stopper 34. Both ends of the clamping plate 35 are provided with a third elastic buckle 36 that is clamped with the signal terminal slot 31. Through the above structure, the signal male terminal 32 can be quickly and stably connected. A signal female terminal 37 that is plugged with the signal male terminal 32 is crimped on the plug housing 3. When the connector plug 1 and the connector socket 2 are plugged in, the signal female terminal 37 is inserted into the signal male terminal 32, and the line conductor is connected, so that the system can determine the connection confirmation between the connector plug 1 and the connector socket 2.

[0031] Preferably, the socket insulating rubber core 7 is connected to the socket housing 6 via screws 38 at both ends to improve the connection strength between the socket insulating rubber core 7 and the socket housing 6 .

[0032] Preferably, a second sealing ring 39 is provided at the front end of the plug housing 3. When the connector plug 1 and the connector socket 2 are plugged together, the second sealing ring 39 is sealed between the plug housing 3 and the socket housing 6, thereby improving the waterproof performance.

[0033] The above does not impose any form of limitation on the present invention. Although the present invention has been disclosed as a preferred implementation case as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to the equivalent implementation cases of equivalent changes by using the structure and technical content disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above implementation cases based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A two-chip terminal high-voltage interlocking connector, comprising a connector plug (1) and a connector socket (2) that are mated together, characterized in that: The connector plug (1) comprises a plug housing (3), a plug insulating rubber core (4) arranged in the plug housing (3), and two sheet-type power female terminals (5) arranged in the plug insulating rubber core (4); the connector socket (2) comprises a socket housing (6), a socket insulating rubber core (7) arranged in the socket housing (6), and two sheet-type power male terminals (8) arranged in the socket insulating rubber core (7); a first nut (9) is connected to the rear end of the sheet-type power male terminal (8); an extension portion (10) is provided at the rear end of the socket insulating rubber core (7); the sheet-type power male terminal (8) is insert-molded in the socket insulating rubber core (7), and the first nut (9) is insert-molded in the extension portion (10).

2. The two-chip terminal high-voltage interlocking connector according to claim 1, characterized in that: The sheet-type power female terminal (5) comprises a square socket (11), a welding row (12) integrally formed with the square socket (11), and a spring sheet (13) arranged in the square socket (11); the upper and lower end surfaces of the square socket (11) are provided with a first card slot (14); the insulating rubber core (4) of the plug is provided with a first elastic buckle (15) engaged with the first card slot (14); and the welding row (12) is attached to a positioning platform (16) in the plug housing (3).

3. The two-chip terminal high-voltage interlocking connector according to claim 1, characterized in that: The rear end of the plug housing (3) is provided with a shielding cover (17), a pressure ring (18), a first sealing ring (19), a wire clamp (20) and an end cover (21) in sequence. The shielding cover (17) is sleeved on the rear end of the plug housing (3), the pressure ring (18) is sleeved on the rear end of the shielding cover (17), the inner end surface of the first sealing ring (19) is fitted to the ends of the shielding cover (17) and the pressure ring (18), the end surface of the wire clamp (20) is fitted to the outer end surface of the first sealing ring (19), the end cover (21) is hung with a hook (23) at the rear end of the plug housing (3) through a hanging groove (22), and a retracting opening (24) cooperating with the wire clamp (20) is provided in the end cover (21).

4. The two-chip terminal high voltage interlocking connector according to claim 1, characterized in that: The upper and lower ends of the plug insulating rubber core (4) are provided with second elastic buckles (25), and the plug housing (3) is provided with a second clamping groove (26) for clamping with the second elastic buckle (25).

5. The two-chip terminal high voltage interlocking connector according to claim 1, characterized in that: The front end of the plug housing (3) is provided with a protruding plug locking portion (27), a second nut (28) being embedded in the plug locking portion (27), and the front end of the socket housing (6) is provided with a socket locking portion (29) adapted to the plug locking portion (27), a screw rod (30) being connected to the second nut (28) being provided on the socket locking portion (29).

6. The two-chip terminal high voltage interlocking connector according to claim 1, characterized in that: The side of the socket housing (6) is plugged with a signal male terminal (32) through a signal terminal slot (31) and fixed by a retaining member (33); the retaining member (33) comprises a retaining portion (34) abutting against the signal male terminal (32) and a clamping plate (35) provided at both ends of the retaining portion (34); both ends of the clamping plate (35) are provided with a third elastic clamp (36) clamped with the signal terminal slot (31); and a signal female terminal (37) plugged with the signal male terminal (32) is crimped onto the plug housing (3).

7. The two-chip terminal high voltage interlocking connector according to claim 1, characterized in that: The socket insulating rubber core (7) is connected to the socket housing (6) via screws (38) at both ends.

8. The two-chip terminal high voltage interlocking connector according to claim 1, characterized in that: A second sealing ring (39) is provided at the front end of the plug housing (3).

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