CN217215181U

CN217215181U - 2-core-divided-4-core connector with built-in fuse

Info

Publication number: CN217215181U
Application number: CN202220768184.6U
Authority: CN
Inventors: 熊燚; 黎欢乐; 邬昌荣
Original assignee: Yueqing Bada Optical Electrical Technology Co ltd
Current assignee: Yueqing Bada Optical Electrical Technology Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-16
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a 2 cores of built-in fuse divide 4 core connectors. The technical scheme adopted comprises the following steps: the plug, the plug mainly by plug metal casing, establish plug rubber core and setting in the plug rubber core are in positive power contact pin terminal, negative power contact pin terminal in the plug rubber core constitute, plug metal casing rear end lid has plug metal upper cover, the back that the core was glued to the plug is equipped with 1 minute 2 positive copper bar, 1 minute 2 negative copper bar and fuse, the main end of positive copper bar pass through the screw with positive power contact pin terminal is connected, the main end of negative copper bar pass through the screw with negative power contact pin terminal is connected, the branch end of positive copper bar pass through the screw with the one end of fuse is connected, the branch end of negative copper bar the other end of fuse all is connected with the wiring nose through the screw.

Description

2-core-divided-4-core connector with built-in fuse

Technical Field

The utility model belongs to new forms of energy electric automobile field, concretely relates to 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. The existing connector structure of built-in fuse has the following disadvantages: 1. the fuse is arranged in the battery pack, and the battery pack needs to be disassembled for repair after being damaged; 2. different target devices require multiple connectors for integration; 3. the battery pack end connector does not meet the requirement of one-way sealing; 4. the battery pack end connector is difficult to assemble due to the fact that the wiring harness is long; the structural strength is poor, and complex vehicle conditions are not met; 5. the adaptive wire diameter range is small, and multiple types of selection are needed to be matched.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a 2 cores of built-in fuse divide 4 core connectors.

In order to solve the above problem, the utility model discloses a technical scheme include: the plug mainly comprises a plug metal shell, a plug rubber core arranged in the plug metal shell, and a positive power pin terminal and a negative power pin terminal arranged in the plug rubber core, wherein the rear end of the plug metal shell is covered with a plug metal upper cover, and the plug metal upper cover is characterized in that: the back of the plug rubber core is provided with 1 minute 2 of positive copper bar, 1 minute 2 of negative copper bar and a fuse, the main end of the positive copper bar is connected with the positive power contact pin terminal through a screw, the main end of the negative copper bar is connected with the negative power contact pin terminal through a screw, the branch end of the positive copper bar is connected with one end of the fuse through a screw, and the branch end of the negative copper bar and the other end of the fuse are both connected with a wiring nose through screws;

and the positive copper bar, the negative copper bar, the fuse and the wiring nose are all arranged in a cavity formed between the plug metal upper cover and the plug rubber core.

2 core branch 4 core connectors of built-in fuse, its characterized in that: the positive copper bar is U-shaped, and the negative copper bar is L-shaped.

2 core branch 4 core connectors of built-in fuse, its characterized in that: the front end of the metal shell of the plug is sequentially provided with a front cover sealing ring and a front cover of the plug, the front ends of the positive power pin terminal and the negative power pin terminal extend into the front cover of the plug, the front end of the rubber core 3 of the plug is inserted with a signal male terminal 15, and two ends of the front cover 14 of the plug are clamped with shielding sheets 16.

2 core branch 4 core connectors of built-in fuse, its characterized in that: the bottom of the plug metal shell is sequentially provided with a group of shielding crimping rings, shielding clamping claws, a wire sealing body and a tail cover.

2 core branch 4 core connectors of built-in fuse, its characterized in that: an upper cover sealing ring is arranged between the plug metal upper cover and the plug metal shell.

2 core branch 4 core connectors of built-in fuse, its characterized in that: and a power-assisted handle is arranged on the plug metal shell.

2 core branch 4 core connectors of built-in fuse, its characterized in that: and a plug end secondary locking buckle is arranged on the back of the plug metal shell.

2 core branch 4 core connectors of built-in fuse, its characterized in that: the socket wire harness assembly mainly comprises a socket rubber core, a power jack terminal arranged in the socket rubber core, a socket front cover arranged at the front end of the socket rubber core and a socket rear cover arranged at the rear end of the socket rubber core.

2 core branch 4 core connectors of built-in fuse, its characterized in that: the socket rubber core front end is equipped with the female terminal of signal, the cover has the signal sealing bolt on the female terminal of signal, power jack terminal rear end is equipped with "O" type circle.

2 core branch 4 core connectors of built-in fuse, its characterized in that: and a socket end secondary locking sliding block is arranged at the upper end of the socket rubber core.

The utility model discloses a 2 cores of built-in fuse divide 4 core connectors advantages as follows:

1. output is carried out in a 2-to-4 mode, and the model selection of an input end connector is reduced;

2. the fuse is arranged in the plug end, and after fusing protection, the fuse can be smoothly replaced by directly opening the upper cover of the connector plug, so that convenience and rapidness are realized;

3. the socket end adopts a one-way sealing structure, and high-value objects in the battery pack can be still effectively protected after the sealing of the plug and the socket is failed;

4. socket end adopts split type structure, and the pencil part is as independent sub-spare to on the mode of inserting is fixed to the socket casing from the rear soon, form the socket subassembly, avoid the pencil to need pass the loaded down with trivial details process that could install from the via hole.

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 a rear view of the plug of the present invention;

fig. 3 is a schematic diagram of the connection among the power pin terminal, 1 minute 2 copper bar, and the fuse of the present invention;

fig. 4 is a schematic structural view of the positive copper bar of the present invention;

fig. 5 is a schematic structural view of the negative electrode copper bar of the present invention;

fig. 6 is a front view of the plug of the present invention;

FIG. 7 is a sectional view taken along line A-A of FIG. 6;

FIG. 8 is a sectional view taken along line B-B of FIG. 6;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 6;

FIG. 10 is a cross-sectional view taken along line D-D of FIG. 6;

fig. 11 is a schematic view of the receptacle metal shell of the receptacle of the present invention, between the receptacle harness assembly;

fig. 12 is an exploded view of the socket of the present invention;

fig. 13 is a front view of the socket of the present invention;

FIG. 14 is a sectional view taken along line A-A of FIG. 13;

FIG. 15 is a sectional view taken along line B-B of FIG. 13;

fig. 16 is a cross-sectional view taken along line C-C of fig. 13.

Detailed Description

Referring to fig. 1-16, the utility model discloses a 2 cores of built-in fuse divide 4 core connectors, including plug 1, plug 1 mainly by plug metal casing 2, buckle lock joint through both sides be in core 3 is glued to the plug in plug metal casing 2 and peg graft and be in positive power contact pin terminal 4 and negative pole power contact pin terminal 5 in the core 3 are glued to the plug constitute. The rear end of the plug metal shell 2 is covered with a plug metal upper cover 6, and the plug metal upper cover 6 is fixed at the rear end of the plug metal shell 2 through screws on four corners. The back of the plug rubber core 3 is provided with 1 minute 2 of positive copper bar 8, 1 minute 2 of negative copper bar 9 and fuse 10. The main end of the positive copper bar 8 is connected with the positive power contact pin terminal 4 through a screw 7, the main end of the negative copper bar 9 is connected with the negative power contact pin terminal 5 through the screw 7, the branch end of the positive copper bar 8 is connected with one end of the fuse 10 through the screw 7, the screw 7 is simultaneously screwed into the plug rubber core 3 to fix the positive copper bar 8 and the fuse 10, the branch end of the negative copper bar 9 and the other end of the fuse 10 are both connected with the wiring nose 11 through the screw 7, and the screw 7 is simultaneously screwed into the plug rubber core 3 to fix the negative copper bar 9, the fuse 10 and the wiring nose 11. And the positive copper bar 8, the negative copper bar 9, the fuse 10 and the wiring nose 11 are all arranged in a cavity 12 formed between the plug metal upper cover 6 and the plug rubber core 3. The front end of the plug metal shell 2 is sequentially provided with a front cover sealing ring 13 and a plug front cover 14, the front ends of the positive power pin terminal 4 and the negative power pin terminal 5 extend into the plug front cover 14, the front end of the plug rubber core 3 is inserted with a signal male terminal 15, and two ends of the plug front cover 14 are clamped with shielding sheets 16. The shielding plate 16 is used to connect the plug metal housing with the receptacle metal housing to prevent electromagnetic leakage from the plug receptacle mating and clearance.

Preferably, anodal copper bar 8 is "U" type, negative pole copper bar 9 is "L" type, adopts "U" type anodal copper bar 8 with adopt "L" type negative pole copper bar 9 realizes its reasonable layout, has the wiring convenience, and occupation space is few advantage.

Preferably, the bottom of the plug metal shell 2 is sequentially provided with a group of shielding crimping rings 17, shielding claws 18, a wire sealing body 19 and a tail cover 20 so as to play a role in shielding and sealing the connecting wires.

Preferably, an upper cover sealing ring 21 is arranged between the plug metal upper cover 6 and the plug metal shell 2 to play a role in sealing 1 minute 2 copper bars, the fuse and the wiring nose which are arranged in the plug metal upper cover 6.

Preferably, the plug metal shell 2 is provided with a power-assisted handle 22 to help a user to insert or extract the plug into or from the socket in a labor-saving manner.

Preferably, the back of the plug metal shell 2 is provided with a plug end secondary locking buckle 23, and the plug end secondary locking buckle 23 is matched with the socket end secondary locking slider 34 to realize a secondary locking function after the plug and the socket are plugged, so that the plug and the socket are prevented from falling off.

Preferably, the socket 24 is matched with the plug 1 in a plugging manner, the socket 24 mainly comprises a socket metal shell 25 and a socket wiring harness assembly 26, a socket sealing gasket 27 is arranged on the end face of the socket metal shell 25, and the socket wiring harness assembly 26 mainly comprises a socket rubber core 28, a power jack terminal 29 arranged in the socket rubber core 28, a socket front cover 30 arranged at the front end of the socket rubber core 28 and a socket rear cover 31 arranged at the rear end of the socket rubber core 28. The socket metal shell 25 and the socket sealing gasket 27 form a socket shell component, and the rest parts form a socket wiring harness semi-finished product. Socket shell subassembly is fixed earlier on the battery package shell, and socket pencil semi-manufactured goods are from back to preceding equipment, insert socket shell subassembly, can accomplish the assembly of socket, avoid the pencil from installing the via hole threading.

Preferably, the front end of the socket rubber core 28 is provided with a signal female terminal 32, and the signal female terminal 32 is plugged with the signal male terminal 15 of the plug for judging whether the plug is inserted into the socket. The signal female terminal 32 is sleeved with a signal sealing bolt 33, the front end of the socket rubber core 28 is provided with a socket sealing ring 35, and the rear end of the power jack terminal 29 is provided with an O-shaped ring 36. The receptacle seal 27 forms a seal with the receptacle metal shell 25; the O-shaped ring 36 is hooped in the groove of the power jack terminal 29 and forms a seal with the inner cavity of the power terminal of the socket rubber core 28; the signal sealing bolt 33 forms a seal with the signal terminal cavity and the signal line of the socket rubber core 28. Through above-mentioned seal structure, realize the whole one-way seal of socket, effectively protect the interior high value article of battery package.

Preferably, the socket end secondary locking slider 34 is arranged at the upper end of the socket rubber core 28.

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 2 cores of built-in fuse divide 4 core connectors, includes plug (1), plug (1) mainly by plug metal casing (2), establish plug rubber core (3) in plug metal casing (2) and setting are in positive power contact pin terminal (4), negative pole power contact pin terminal (5) in plug rubber core (3) are constituteed, plug metal casing (2) rear end lid has plug metal upper cover (6), its characterized in that: the back of the plug rubber core (3) is provided with 1 minute 2 positive copper bar (8), 1 minute 2 negative copper bar (9) and fuse (10), the main end of the positive copper bar (8) is connected with the positive power contact pin terminal (4) through a screw (7), the main end of the negative copper bar (9) is connected with the negative power contact pin terminal (5) through a screw (7), the branch end of the positive copper bar (8) is connected with one end of the fuse (10) through a screw (7), and the branch end of the negative copper bar (9) and the other end of the fuse (10) are connected with a wiring nose (11) through screws (7);

and the positive copper bar (8), the negative copper bar (9), the fuse (10) and the wiring nose (11) are all arranged in the plug metal upper cover (6) and a cavity (12) formed between the plug rubber cores (3).

2. The 2-core, divided-4-core connector of an internal fuse according to claim 1, wherein: the positive copper bar (8) is U-shaped, and the negative copper bar (9) is L-shaped.

3. The 2-core, divided-4-core connector of an internal fuse according to claim 1, wherein: the front end of the plug metal shell (2) is sequentially provided with a front cover sealing ring (13) and a plug front cover (14), the front ends of the positive power pin terminal (4) and the negative power pin terminal (5) extend into the plug front cover (14), the front end of the plug rubber core (3) is connected with a signal male terminal (15) in an inserting mode, and shielding sheets (16) are clamped at the two ends of the plug front cover (14).

4. The 2-core, divided-4-core connector of an internal fuse according to claim 1, wherein: the bottom of the plug metal shell (2) is sequentially provided with a group of shielding crimping rings (17), shielding claws (18), a wire sealing body (19) and a tail cover (20).

5. The 2-core, 4-core connector of a built-in fuse according to claim 1, characterized in that: an upper cover sealing ring (21) is arranged between the plug metal upper cover (6) and the plug metal shell (2).

6. The 2-core, divided-4-core connector of an internal fuse according to claim 1, wherein: and a power-assisted handle (22) is arranged on the plug metal shell (2).

7. The 2-core, divided-4-core connector of an internal fuse according to claim 1, wherein: and a plug end secondary locking buckle (23) is arranged on the back of the plug metal shell (2).

8. The 2-core, divided-4-core connector of an internal fuse according to claim 1, wherein: still include and peg graft complex socket (24) with plug (1), socket (24) mainly comprise socket metal casing (25) and socket pencil assembly (26), the terminal surface of socket metal casing (25) is equipped with socket sealing pad (27), socket pencil assembly (26) mainly glue core (28), establish by the socket power jack terminal (29) in the core (28), establish glue the socket front cover (30) of core (28) front end and establish the socket is glued the socket rear cover (31) of core (28) rear end and is constituteed.

9. The 2-core, divided-4-core connector of an internal fuse according to claim 8, wherein: the socket rubber core (28) front end is equipped with signal female terminal (32), the cover has signal sealing plug (33) on signal female terminal (32), socket rubber core (28) front end is equipped with socket sealing washer (35), power jack terminal (29) rear end is equipped with "O" type circle (36).

10. The 2-core, divided-4-core connector of an internal fuse according to claim 8, wherein: and a socket end secondary locking sliding block (34) is arranged at the upper end of the socket rubber core (28).