CN216055355U

CN216055355U - 90-degree outgoing line large-current connector

Info

Publication number: CN216055355U
Application number: CN202122329916.XU
Authority: CN
Inventors: 熊燚; 黎欢乐; 杨顺云; 邬昌荣
Original assignee: Yueqing Bada Optical Electrical Technology Co ltd
Current assignee: Yueqing Bada Optical Electrical Technology Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-03-15
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a 90-degree outgoing line large-current connector which is more stable, reasonable and flexible in structure. The technical scheme adopted comprises the following steps: the plug comprises a plug shell, an upper plug cover and an upper plug cover, wherein the upper plug cover is hinged to the upper end of the plug shell, the upper plug cover is arranged at the upper end of the plug shell, a rear plug rubber core is arranged at the rear end of the plug shell, the front plug rubber core is arranged at the front end of the plug shell, and a wiring board is arranged behind the plug rubber core, the lower end face of the upper plug cover is provided with a stand column, an upper cover locking bolt assembly is arranged in the stand column, and a power terminal connecting bolt is arranged on the wiring board, and the power terminal connecting bolt is characterized in that: the plug comprises a plug shell, a plug front rubber core and a plug upper cover, wherein two signal pin terminals which are arranged at intervals are longitudinally inserted into the plug front rubber core in the plug shell, an interlocking short-circuit ring is installed at the front end of an upright post of the plug upper cover through an insulating short-circuit ring installation seat, and when the plug upper cover is covered, the interlocking short-circuit ring is used for short-circuit two signal pin terminals.

Description

90-degree outgoing line large-current connector

Technical Field

The utility model belongs to the field of new energy electric automobiles, and particularly relates to a high-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. As shown in the chinese patent publication "CN 112821092 a" and entitled "a high-current connector", the conventional high-current connector structure includes: grafting complex plug, socket, 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 locking screw with current terminal connects, plug housing upper end articulates there is the upper cover, and articulated department is equipped with first spring, the upper cover lower extreme is equipped with the short splicing piece, be equipped with two at least signal terminals in the socket, work as when the upper cover lid closes, the short splicing piece will be two the signal terminal short circuit works as when the upper cover is opened, the short splicing piece is kept away from signal terminal. There are disadvantages in that: 1. the short contact pieces (insertion pieces) are inserted with the signal terminals, so that the short contact pieces are easy to break; 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. the volume is large, the design is not compact, and the light-weight requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a 90-degree outgoing line large-current connector which is more stable, reasonable and flexible in structure.

In order to solve the above problems, the technical scheme adopted by the utility model comprises: the plug comprises a plug shell, an upper plug cover and an upper plug cover, wherein the upper plug cover is hinged to the upper end of the plug shell, the upper plug cover is arranged at the upper end of the plug shell, a rear plug rubber core is arranged at the rear end of the plug shell, the front plug rubber core is arranged at the front end of the plug shell, and a wiring board is arranged behind the plug rubber core, the lower end face of the upper plug cover is provided with a stand column, an upper cover locking bolt assembly is arranged in the stand column, and a power terminal connecting bolt is arranged on the wiring board, and the power terminal connecting bolt is characterized in that: the plug comprises a plug shell, a plug front rubber core and a plug upper cover, wherein two signal pin terminals which are arranged at intervals are longitudinally inserted into the plug front rubber core in the plug shell, an interlocking short-circuit ring is installed at the front end of an upright post of the plug upper cover through an insulating short-circuit ring installation seat, and when the plug upper cover is covered, the interlocking short-circuit ring is used for short-circuit two signal pin terminals.

The 90-degree outgoing line large-current connector is characterized in that: the short circuit ring mounting seat and the interlocking short circuit ring are provided with openings.

The 90-degree outgoing line large-current connector is characterized in that: the lower end of the signal contact pin terminal is provided with a contact pin part, the upper end of the signal contact pin terminal is provided with an arc elastic arm, and the arc elastic arm is contacted with the side wall of the interlocking short-circuit ring.

The 90-degree outgoing line large-current connector is characterized in that: the wiring bar is a copper bar, and the rear end of the wiring bar is connected with an aluminum wire.

The 90-degree outgoing line large-current connector is characterized in that: and the front end of the wiring bar is provided with a wiring bar locking screw.

The 90-degree outgoing line large-current connector is characterized in that: the rear end of the plug rear rubber core is sleeved with a shielding cover and is abutted and fixed through a plastic check block connected with the plug shell, the inner wall of the shielding cover is provided with an inner elastic contact arm in contact with the wire shielding layer, and the outer wall of the shielding cover is provided with an outer elastic contact arm connected with the plug shell.

The 90-degree outgoing line large-current connector is characterized in that: the socket comprises a socket shell, a socket rubber core arranged in the socket shell and a power terminal arranged in the socket rubber core, wherein two signal jack terminals which are in plug-in fit with the signal pin terminals are arranged in the socket rubber core.

The 90-degree outgoing line large-current connector is characterized in that: and an upper cover locking bolt connecting column connected with an upper cover locking bolt of the upper cover locking bolt component is arranged in the socket shell.

The 90-degree outgoing line large-current connector is characterized in that: and an interface sealing ring is arranged at the front end of the plug shell.

The 90-degree outgoing line large-current connector is characterized in that: and a button spring is arranged at the hinged position of the plug upper cover and the plug shell.

The 90-degree outgoing line high-current connector has the following advantages:

1. the interlocking structure is simpler and more practical, the connection is more reliable, and the overall size of the product is smaller;

2. the aluminum wire can be replaced according to actual requirements, and the wire nose can be directly formed at the joint of the aluminum wire and the power terminal by using a copper-aluminum friction welding wire nose scheme or flattening an aluminum bar;

3. the design is compact, the shell of the aluminum alloy structure is adopted, the size is small, the weight is light, and the light-weight design requirement is met.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a top view of a 90 ° outlet high current connector of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a sectional view taken along line B-B of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is an exploded view of the plug of the present invention;

FIG. 6 is an exploded view of the upper cover of the present invention;

FIG. 7 is a cross-sectional view of the upper cover of the present invention;

FIG. 8 is a schematic diagram of a signal pin terminal according to the present invention;

FIG. 9 is a schematic view of the structure of the copper bar and aluminum wire of the present invention;

FIG. 10 is a schematic structural view of the shield of the present invention;

FIG. 11 is an exploded view of the socket of the present invention;

fig. 12 is a schematic view of the construction of the socket housing of the present invention.

Detailed Description

Referring to fig. 1-12, the 90 ° outgoing line high-current connector of the utility model comprises a plug 1 and a socket 2 which are in plug-in fit with each other. The plug 1 includes: the plug comprises a plug shell 3, a plug upper cover 4, a plug rear rubber core 5, a plug front rubber core 6, a wiring bar 7, an upper cover locking bolt assembly 9, a power terminal connecting bolt 10, a signal pin terminal 11, a short circuit ring mounting seat 12 and an interlocking short circuit ring 13. The plug upper cover 4 is hinged to the upper end of the plug housing 3 through a bolt 31, a torsion spring 30 is arranged at the hinged position of the plug upper cover 4 and the plug housing 3, and the torsion spring 30 enables the plug upper cover to be in a natural state. An upper cover sealing ring 36 is arranged between the plug upper cover 4 and the plug shell 3 to play a waterproof role. The plug upper cover 4 is kept 120 ° open to the plug housing 3. The plug rear rubber core 5 is installed at the rear end of the plug shell 3. The wiring row 7 is arranged in the plug rear rubber core 5, so that the wiring row and the plug shell 3 are insulated. The plug front rubber core 6 is arranged at the front end of the plug shell 3. The lower end face of the plug upper cover 4 is provided with an integrated upright post 8, and an upper cover locking bolt assembly 9 is arranged in the upright post 8. The upper cover locking bolt assembly 9 is composed of an upper cover locking bolt 27, a bolt sealing ring 32, a stopping snap spring 33 and a spring 34, and the upper cover locking bolt 27 is installed in the upright post 8 and can automatically reset through the assembly of the above components. And a power terminal connecting bolt 10 is arranged on the wiring bar 7. Two signal pin terminals 11 which are arranged at intervals are longitudinally inserted in the front plug rubber core 6 in the plug shell 3. The front end of the upright post 8 of the plug upper cover 4 is provided with an interlocking short-circuit ring 13 through an insulating short-circuit ring mounting seat 12, and when the plug upper cover 4 is covered, the interlocking short-circuit ring 13 is used for short-circuit two signal pin terminals 11. The front end of the plug shell 3 is provided with a plug front baffle 35.

Preferably, the short circuit ring mounting seat 12 and the interlocking short circuit ring 13 are both provided with openings 14, so that the short circuit ring mounting seat 12 and the interlocking short circuit ring 13 can be conveniently mounted.

Preferably, the lower end of the signal pin terminal 11 is provided with a pin portion 15, the upper end is provided with an arc-shaped elastic arm 16, and the arc-shaped elastic arm 16 is contacted with the side wall of the interlocking short-circuit ring 13, so that the two can be kept in more stable conduction.

Preferably, the wiring bar 7 is a copper bar, and the rear end of the wiring bar is connected with an aluminum lead 17. The wire connecting bar 7 and the aluminum wire 17 can be welded and fixed by using copper-aluminum friction welding or fixed by directly forming a flat aluminum bar.

Preferably, the front end of the wiring block 7 is provided with a wiring block locking screw 18. The front end of the wiring bar 7 is tightly locked on the rubber core 6 in front of the plug through a wiring bar locking screw 18 (M4 screw lock), and the wiring bar locking screw 18 is pressed on the silica gel pad 37 to adapt to fine tolerance when the wiring bar 7 is locked, and meanwhile, the looseness prevention of torque is realized.

Preferably, the rear end of the plug rear rubber core 5 is sleeved with a shielding cover 19 and is abutted and fixed by a plastic check block 20 connected with the plug housing 3, and the plastic check block 20 is specifically connected with the clamping groove of the inner wall of the plug housing 3 in a clamping manner by elastic buckles at two sides. The inner wall of the shielding cover 19 is provided with an inner elastic contact arm 21 which is in contact with the wire shielding layer, and the outer wall of the shielding cover 19 is provided with an outer elastic contact arm 22 which is connected with the plug shell 3. After the shielding case 19 and the plastic stopper 20 are assembled, the plug housing 3 is plugged and fixed by a wire sealing body 38 and a plug tail cover 39 at the rear end thereof.

Preferably, the socket 2 includes a socket housing 23, a socket rubber core 24 disposed in the socket housing 23, and a power terminal 25 disposed in the socket rubber core 24, and two signal jack terminals 26 are disposed in the socket rubber core 24 and are in plug-in fit with the signal pin terminals 11. A socket rubber core sealing ring 40 is arranged between the socket rubber core 24 and the socket shell 23, a signal terminal sealing ring 41 is arranged on the signal jack terminal 26, a power terminal sealing ring 42 is arranged at the rear end of the power terminal 25, and an end face sealing ring 44 is arranged on the end face of the socket shell 23, so that the integral waterproof effect is achieved. When the plug is plugged into the socket, the pin portion 15 at the lower end of the signal pin terminal 11 is connected to the signal pin terminal 11. When the plug upper cover 4 is buckled, the interlocking short-circuit ring 13 is in pressing contact with the arc-shaped elastic arm 16 at the upper end of the signal pin terminal 11, and the conduction is completed. When the user loosens the upper cover locking bolt 27, the button spring 30 props the upper cover of the plug to disconnect the terminal passage, so that the high-voltage interlocking function is realized, and the power utilization safety of the user is effectively protected. After all the above-described components are assembled, a receptacle tail cover 43 is attached to the rear end of the receptacle housing 23 to fix the same.

Preferably, an upper cover locking bolt connection post 28 connected with an upper cover locking bolt 27 of the upper cover locking bolt assembly 9 is arranged in the socket housing 23. The socket shell 23 and the plug shell 3 are conducted to form 360-degree shielding.

Preferably, the front end of the plug housing 3 is provided with an interface seal ring 29. The interface sealing ring 29 is fixed in the groove of the window surface of the plug shell, and forms a seal with the inner wall of the window surface of the socket shell during plugging, so that the power utilization safety of the connector during plugging is effectively protected.

Although the present invention has been described with reference to the above embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a 90 big current connector that is qualified for next round of competitions, is including plug (1), socket (2) of mutual grafting cooperation, plug (1) includes plug shell (3), articulates plug upper cover (4), the setting of plug shell (3) upper end are in glue core (5), setting behind the plug of plug shell (3) rear end glue core (6) before the plug of plug shell (3) front end and set up behind the plug and glue core (5) in wiring row (7), terminal surface is equipped with stand (8) under plug upper cover (4), just be equipped with upper cover locking bolt subassembly (9) in stand (8), be equipped with power terminal connecting bolt (10) on wiring row (7), its characterized in that: the plug is characterized in that two signal pin terminals (11) which are arranged at intervals are longitudinally inserted into a plug front rubber core (6) in a plug outer shell (3), an interlocking short-circuit ring (13) is installed at the front end of an upright post (8) of a plug upper cover (4) through an insulating short-circuit ring installation seat (12), and when the plug upper cover (4) is covered, the interlocking short-circuit ring (13) is used for short-circuit two signal pin terminals (11).

2. A 90 ° outgoing high current connector according to claim 1, wherein: the short connecting ring mounting seat (12) and the interlocking short connecting ring (13) are provided with openings (14).

3. A 90 ° outgoing high current connector according to claim 1, wherein: the lower end of the signal pin terminal (11) is provided with a pin part (15), the upper end of the signal pin terminal is provided with an arc-shaped elastic arm (16), and the arc-shaped elastic arm (16) is contacted with the side wall of the interlocking short-circuit ring (13).

4. A 90 ° outgoing high current connector according to claim 1, wherein: the wiring bar (7) is a copper bar, and the rear end of the wiring bar is connected with an aluminum lead (17).

5. A 90 ° outgoing high current connector according to claim 1, wherein: and the front end of the wiring bar (7) is provided with a wiring bar locking screw (18).

6. A 90 ° outgoing high current connector according to claim 1, wherein: the rear end of the plug rear rubber core (5) is sleeved with a shielding cover (19) and is abutted and fixed by a plastic check block (20) connected with the plug shell (3), the inner wall of the shielding cover (19) is provided with an inner elastic contact arm (21) in contact with the wire shielding layer, and the outer wall of the shielding cover is provided with an outer elastic contact arm (22) connected with the plug shell (3).

7. A 90 ° outgoing high current connector according to claim 1, wherein: the socket (2) comprises a socket shell (23), a socket rubber core (24) arranged in the socket shell (23) and a power terminal (25) arranged in the socket rubber core (24), wherein two signal jack terminals (26) which are in plug-in fit with the signal pin terminals (11) are arranged in the socket rubber core (24).

8. A 90 ° outgoing high current connector according to claim 7, wherein: an upper cover locking bolt connecting column (28) connected with an upper cover locking bolt (27) of the upper cover locking bolt component (9) is arranged in the socket shell (23).

9. A 90 ° outgoing high current connector according to claim 1, wherein: the front end of the plug shell (3) is provided with an interface sealing ring (29).

10. A 90 ° outgoing high current connector according to claim 1, wherein: a button spring (30) is arranged at the hinged part of the plug upper cover (4) and the plug shell (3).