CN214203991U

CN214203991U - High-current connector

Info

Publication number: CN214203991U
Application number: CN202120097182.4U
Authority: CN
Inventors: 熊燚; 黎欢乐; 陈雪; 夏志栓; 黄永贵
Original assignee: Yueqing Bada Optical Electrical Technology Co ltd
Current assignee: Yueqing Bada Optical Electrical Technology Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-09-14
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a heavy current connector that current-carrying capacity is high, the temperature rise is low, have live working protect function. The technical scheme who adopts includes plug, socket of grafting complex, its characterized in that: the plug includes plug housing, sets up switching row in the plug housing, the socket includes socket housing, sets up current terminal in the socket housing, the plug is pegged graft the back with the socket, switching row pass through the front end first lock screw with current terminal connects, the upper end of plug housing articulates there is the upper cover, and articulated department is equipped with first spring, the upper cover lower extreme is equipped with the short contact piece, be equipped with two at least signal terminals in the socket, work as when the upper cover lid closes, the short contact piece will be two the signal terminal short circuit works as when the upper cover is opened, the short contact piece is kept away from signal terminal.

Description

High-current connector

Technical Field

The utility model belongs to new forms of energy electric automobile field, concretely relates to heavy current connector.

Background

Connectors, also called connectors, are devices that connect two active devices, transmitting current or signals. The connector consists of a socket and a plug which is in plug-in fit with the socket. Current heavy current connector structure, as the chinese utility model patent of the title "a heavy current connector with low shielding resistance" announces "CN 205846360U", the name is "a heavy current connector with low shielding resistance" show, including grafting complex plug, socket, the plug includes plug housing, sets up contact pin terminal in the plug housing, the socket includes socket housing, sets up jack terminal in the socket housing, the plug is pegged graft with the socket after, contact pin terminal and jack terminal are to inserting, realize switching on of electric current. There are disadvantages in that: 1. the jack terminal is in interference connection with the pin terminal through structures such as a wire spring or a crown spring in the jack, so that the connection is unstable, the current carrying is low, and the temperature is increased; 2. large-current matching requires a cable with a larger outer diameter, a terminal still adopts a compression joint mode, and the internal resistance is high, so that the temperature is increased; 3. when the device is disassembled, no live operation is needed for protection, and workers have electric shock danger; 4. the volume is large, the design is not compact, and the light-weight requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a heavy current connector that current-carrying capacity is high, the temperature rise is low, have live working protect function.

In order to solve the problem, the utility model discloses a technical scheme including grafting complex plug, socket, its characterized in that: the plug includes plug housing, sets up switching row in the plug housing, the socket includes socket housing, sets up current terminal in the socket housing, the plug is pegged graft the back with the socket, switching row pass through the front end first lock screw with current terminal connects, the upper end of plug housing articulates there is the upper cover, and articulated department is equipped with first spring, the upper cover lower extreme is equipped with the short contact piece, be equipped with two at least signal terminals in the socket, work as when the upper cover lid closes, the short contact piece will be two the signal terminal short circuit works as when the upper cover is opened, the short contact piece is kept away from signal terminal.

The high-current connector is characterized in that: the upper cover is provided with a screw mounting seat and a second locking screw installed in the screw mounting seat, and the upper cover is fixed with the plug shell by screwing the second locking screw after being covered with the socket shell.

The high-current connector is characterized in that: and a second spring and a first snap spring are arranged in the screw mounting seat.

The high-current connector is characterized in that: and a sealing gasket in sealing fit with the second locking screw is arranged at the upper end of the screw mounting seat.

The high-current connector is characterized in that: the current terminal is cylindrical, and the upper end of the current terminal is directly in threaded connection with the first locking screw.

The high-current connector is characterized in that: the upper end face of the current terminal is provided with a point contact face in an array square.

The high-current connector is characterized in that: the plug shell front end is equipped with gluey core before the plug, the rear end is equipped with gluey core behind the plug, glue behind the plug the core through the connector link of front end with glue before the plug and glue the core and connect, be equipped with the socket in the socket shell and glue the core, the socket glue the core through the socket glue the core sealing washer with socket shell forms sealedly, current terminal pass through the current terminal sealing washer with the socket glues the core and forms sealedly, with the signal line that signal terminal is connected pass through the signal line end cap with the socket glues the core and forms sealedly, socket shell terminal surface passes through the end face sealing washer and forms sealedly with the installation face.

The high-current connector is characterized in that: the plug is characterized in that a shielding cover and a shielding ring are arranged at the rear end of the plug shell, the front end of the shielding cover is sleeved at the rear end of the plug rear rubber core, the shielding ring is sleeved at the rear end of the shielding cover, and a group of elastic contact pins in contact with the plug shell are arranged on the side wall of the shielding cover.

The high-current connector is characterized in that: and an insulating cap is arranged at the top of the first locking screw.

The high-current connector is characterized in that: and an upper cover sealing ring in sealing fit with the upper cover is installed at the upper end of the socket shell.

The utility model discloses a heavy current connector advantage as follows:

1. the terminal is in hard connection with the copper column by adopting a copper bar and is fixed by a bolt, so that the connection is more reliable, the overcurrent capacity is strong, the current carrying is large, and the temperature rise is low;

2. the cable and the copper bar are fixed in an overlapping mode in an ultrasonic welding mode, so that the strength is high, the internal degree is low, and the performance is good;

3. when the staff is in live operation, the staff is well protected, and the problem of power utilization safety caused by mistaken touch of the staff is avoided;

4. the design is compact, the shell with an aluminum alloy structure is adopted, the size is small, the weight is light, and the light-weight design requirement is met; 5. adaptive cable diameter range is wide, can adapt to 70~120 mm's cable.

The present invention will be further explained with reference to the drawings attached to the specification.

Drawings

Fig. 1 is an exploded view of the plug of the present invention;

fig. 2 is an exploded view of the socket of the present invention;

fig. 3 is a top view of the high current connector of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is a sectional view taken along line B-B of FIG. 3;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 3;

fig. 7 is a schematic structural view of the current terminal of the present invention;

fig. 8 is a schematic structural view of the upper cover of the present invention;

fig. 9 is a schematic structural view of a first locking screw of the present invention;

fig. 10 is a schematic structural diagram of the signal terminal of the present invention.

Detailed Description

Referring to fig. 1-10, the high current connector of the present invention comprises a plug 1 and a socket 2 which are inserted and matched. The plug 1 comprises a plug shell 3 made of aluminum alloy materials and an adapter row 4 arranged in the plug shell 3. The socket 2 includes a socket housing 5 made of an aluminum alloy material, and a current terminal 6 disposed in the socket housing 5. After the plug 1 is plugged with the socket 2, the switching row 4 is connected with the current terminal 6 through a first locking screw 7 at the front end. The upper end of the plug shell 3 is hinged with an upper cover 8 through a bolt 26, and a first spring 9 is arranged at the hinged position. The first spring 9 is a general name, and may be a torsion spring, a spring plate, or the like. When the upper cover 8 is opened, the first locking screw 7 is inserted from the upper end of the plug housing 3 to connect the switching bar 4 and the current terminal 6. The upper cover 8 is provided with a short connecting sheet mounting column 29, and the lower end of the mounting column 29 is pressed with a short connecting sheet 10. In order to improve the connection strength between the short connecting piece 10 and the mounting column 29, the bottom of the mounting column 29 is provided with a short connecting piece rubber core 41, the upper end of the short connecting piece 10 is provided with a barb 30, and the short connecting piece 10 is connected with the short connecting piece rubber core 41 in a hard extrusion mode. Two signal terminals 11 are arranged in the socket 2. The front end of the signal terminal 11 is provided with a clamping part 27, the rear end is provided with a press pin 28, the signal terminal is pressed and connected with a power management system through the press pin 28, the power management system is an automobile self-contained system, and the power management system is a known technology and is not described herein again. When the upper cover 8 is closed, the shorting bar 10 is inserted into the holding portion 27 of the signal terminal 11 to short-circuit the two signal terminals 11, and when the upper cover 8 is opened, the shorting bar 10 is away from the signal terminal 11 to open the two signal terminals 11. The power management system automatically cuts off the power supply on the socket according to the disconnection signal. After the structure, the plug is more convenient to replace, the plug is not required to be pulled out of the socket, the connector can be disassembled and assembled only by disassembling two locking screws, the socket and objects in the box are not affected, the operation safety of workers is better protected, and electric shock is prevented.

Preferably, the upper cover 8 is provided with a screw mounting seat 12 and a second locking screw 13 installed in the screw mounting seat 12, and after the upper cover 8 is covered with the socket housing 5, the second locking screw 13 is screwed with the plug housing 3 for fixing. Through above-mentioned structure, make the plug dismantle more convenient safety, loosen second locking screw 13, upper cover 8 receives the effect of first spring 9 to bounce automatically, short splicing 10 breaks off with signal terminal 11 synchronization, and the power consumption safety is ensured to the instantaneous outage.

Preferably, a second spring 14 and a first snap spring 15 are arranged in the screw mounting seat 12. The upper end of the second spring 14 presses the second locking screw 13 and is stopped by the first clamp spring 15. Through the structure, the top of the screw mounting seat 12 can be exposed at any time, so that the screw mounting seat is convenient for workers to disassemble, and is always fixed on the upper cover 8 and is not easy to lose. And a sealing gasket 25 which is in sealing fit with the umbrella-shaped flange of the second locking screw 13 is arranged at the upper end of the screw mounting seat 12.

Preferably, the current terminal 6 is cylindrical, and the upper end thereof is directly screwed with the first locking screw 7. And the upper end surface of the current terminal 6 is formed with an array-side point contact surface 16 by a knurling process. So as to increase the locking engagement force and ensure the stability and reliability of the current connection.

Preferably, the front end of the plug shell 3 is provided with a plug front rubber core 17, the rear end of the plug shell is provided with a plug rear rubber core 18, and the plug rear rubber core 18 is connected with the plug front rubber core 17 through a connecting buckle 19 at the front end. Through the cooperation of the rubber core 17 before the plug and the rubber core 18 behind the plug, the adapter row 4, the first locking screw 7 and the cable welded with the adapter row 4 are arranged in the rubber core 17 before the plug and the rubber core 18 behind the plug, and are kept insulated and sealed with the outside. A socket rubber core 31 is arranged in the socket shell 5, and the socket rubber core 31 is sealed with the socket shell 5 through a socket rubber core sealing ring 32. The current terminal 6 forms a seal with the socket rubber core 31 through a current terminal sealing ring 35. The signal wire is sealed with the socket rubber core 31 through the signal wire plug 33. The end face of the socket shell 5 is sealed with the mounting surface through an end face sealing ring 34. Finally, the receptacle housing 5 is fixed by providing a receptacle rear cover 39 at the end. Through the structure, the socket meets the one-way waterproof requirement after being installed and fixed, and high-value objects in the installation surface are effectively protected.

Preferably, the rear end of the plug housing 3 is provided with a shielding cover 20 and a shielding ring 21, the front end of the shielding cover 20 is sleeved at the rear end of the plug rear rubber core 18, the shielding ring 21 is sleeved at the rear end of the shielding cover 20, and the side wall of the shielding cover 20 is provided with a group of elastic contact pins 22 which are in contact with the plug housing 3. Through anchor clamps crimping shield ring 21 switches on shield cover 20 and cable shield silk, at last make the cable shielding layer with plug housing 3 switches on to realize 360 degrees annular shielding, and shield efficiently. Finally, a sealing body 36 and a tail cover 37 are arranged at the rear end of the plug housing 3 to seal and fix the cable. An interface sealing ring 38 is arranged at the front end of the plug housing 3 to play a sealing role.

Preferably, the first locking screw 7 is provided with an insulating cap 23 at the top. The insulating cap 23 is processed in a rubber coating mode so as to avoid the electrical injury of personnel caused by electrification when the insulating cap is disassembled in a maintenance state. In order to prevent the first locking screw 7 from loosening, a second snap spring 40 is arranged on the first locking screw 7.

Preferably, an upper cover sealing ring 24 which is in sealing fit with the upper cover 8 is mounted on the upper end of the socket housing 5.

In the above, the present invention is not limited to any form, and although the present invention has been disclosed in the above preferred embodiments, it is not limited to the present invention, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention do not depart from the technical scope of the present invention.

Claims

1. The utility model provides a high current connector, includes plug (1), socket (2) of grafting cooperation, its characterized in that: the plug (1) comprises a plug shell (3) and a switching row (4) arranged in the plug shell (3), the socket (2) comprises a socket shell (5) and a current terminal (6) arranged in the socket shell (5), after the plug (1) is inserted into the socket (2), the switching row (4) is connected with the current terminal (6) through a first locking screw (7) at the front end, the upper end of the plug shell (3) is hinged with an upper cover (8), and a first spring (9) is arranged at the hinged position, the lower end of the upper cover (8) is provided with a short connecting sheet (10), at least two signal terminals (11) are arranged in the socket (2), when the upper cover (8) is closed, the short contact piece (10) short-circuits the two signal terminals (11), the shorting tab (10) is spaced apart from the signal terminal (11) when the upper cover (8) is opened.

2. A high current connector according to claim 1, wherein: be equipped with screw mount pad (12) on upper cover (8) and install second locking screw (13) in screw mount pad (12), upper cover (8) with socket shell (5) lid closes the back, through second locking screw (13) with plug shell (3) are screwed up and are fixed.

3. A high current connector according to claim 2, wherein: and a second spring (14) and a first snap spring (15) are arranged in the screw mounting seat (12).

4. A high current connector according to claim 2, wherein: and a sealing gasket (25) in sealing fit with the second locking screw (13) is arranged at the upper end of the screw mounting seat (12).

5. A high current connector according to claim 1, wherein: the current terminal (6) is cylindrical, and the upper end of the current terminal is directly in threaded connection with the first locking screw (7).

6. A high current connector according to claim 5, wherein: and the upper end surface of the current terminal (6) is provided with a point contact surface (16) in an array square.

7. A high current connector according to claim 1, wherein: glue core (17) before plug casing (3) front end is equipped with the plug, the rear end is equipped with and glues core (18) behind the plug, glue core (18) behind the plug pass through the front end connector link (19) with glue core (17) before the plug and connect, be equipped with socket in socket casing (5) and glue core (31), socket glue core (31) glue core sealing washer (32) through the socket with socket casing (5) form sealedly, current terminal (6) pass through electric current terminal sealing washer (35) with socket glues core (31) and form sealedly, with the signal line that signal terminal (11) are connected pass through signal line end cap (33) with socket glues core (31) and form sealedly, socket casing (5) terminal surface passes through end face sealing washer (34) and forms sealedly with the installation face.

8. A high current connector according to claim 7, wherein: plug housing (3) rear end is equipped with shielding lid (20), shielding ring (21), shielding lid (20) front end cover is in glue core (18) rear end behind the plug, shielding ring (21) cover is in shielding lid (20) rear end, shielding lid (20) lateral wall be equipped with a set of with elastic contact foot (22) of plug housing (3) contact.

9. A high current connector according to claim 1, wherein: an insulating cap (23) is arranged at the top of the first locking screw (7).

10. A high current connector according to claim 1, wherein: and an upper cover sealing ring (24) in sealing fit with the upper cover (8) is installed at the upper end of the socket shell (5).