CN213636473U

CN213636473U - Three-core high-voltage connector

Info

Publication number: CN213636473U
Application number: CN202022696885.7U
Authority: CN
Inventors: 王洪亮; 蔡亚娟; 赵沙
Original assignee: Konette Changzhou Intelligent Technology Co ltd
Current assignee: Konette Changzhou Intelligent Technology Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-07-06
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a three-core high-voltage connector, including plug subassembly and socket subassembly, the plug subassembly includes the plug shell, overlaps insulating shell under the cover terminal from inside to outside in proper order in the plug shell,Insulating casing and plug shield shell on the terminal, the plug shield shell front portion is covered with the plug upper cover, wears to establish female terminal in the insulating casing under the terminal to at the terminal crimping shield ring of female terminal, the end of plug housing is equipped with the cable sealing washer, and cover behind the plug, socket assembly includes socket shell, sets up the cavity that the public terminal of being convenient for passes through in the socket shell, the peripheral socket shield shell of pegging graft of cavity, socket shell end face is equipped with socket sealing washer and socket bush. The connector is simple in structure, simple and convenient to assemble, safe and reliable to use and compatible with 2.5-4 mm²The shielding cable is suitable for different use environments.

Description

Three-core high-voltage connector

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to a three-core high-voltage connector.

Background

Electric vehicles are increasingly paid more attention from various automobile manufacturers due to the characteristics of wide energy sources, quiet running, no pollution emission and the like, and household electric vehicles are launched in many times. The connector on the existing electric automobile has the defects of insecure connection, complex assembly procedure, low safety and reliability, poor shielding function, poor waterproofness and the like. There is a need to develop a high-performance, high-sealing connection structure to achieve quick connection of high-voltage connectors.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the three-core high-voltage connector overcomes the defects in the prior art and is safe, reliable, simple and convenient to assemble and good in shielding function.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a three-core high voltage connector, includes plug assembly and socket assembly, plug assembly include the plug shell, the plug shell in from inside to outside superpose insulating casing and plug shielding shell on terminal under the terminal in proper order, the plug shielding shell front portion be stamped the plug upper cover, the terminal under wear to establish female terminal in the insulating casing to at the terminal crimping shield ring of female terminal, the end of plug shell be equipped with the cable sealing washer to be stamped the lid behind the plug, socket assembly include socket shell, the socket shell in set up the cavity that the public terminal of being convenient for passes through, the peripheral socket shielding shell of pegging graft of cavity, socket shell terminal surface be equipped with socket sealing washer and socket bush.

Furthermore, the insulating casing is equipped with 3 mutually independent cavities under the terminal, and corresponding 3 public terminals wear to establish respectively in every cavity, wear to establish in the corresponding socket shell 3, and public terminal and female terminal cooperation are connected.

Furthermore, the female terminal clamping sleeve is sleeved at the front end of the female terminal, an axial elastic sheet is arranged on the female terminal clamping sleeve, and the elastic sheet is abutted against the front end part of the lower insulating shell of the terminal to prevent the female terminal from axially falling off.

Furthermore, a slot is arranged in the socket shell, and the socket shielding shell is inserted in the slot.

Furthermore, the front end of the male terminal is sleeved with a male terminal clamping sleeve, the male terminal clamping sleeve is provided with an axial elastic sheet, and the elastic sheet is abutted against a step in the socket shell to prevent the male terminal from axially falling off.

Furthermore, an embedding groove is formed in the tail end face of the socket shell, and the socket sealing ring is embedded in the embedding groove.

Furthermore, the number of the socket bushings is 4, and the socket bushings are respectively and symmetrically arranged on the edge of the tail end face of the socket shell.

Furthermore, the outer wall of the socket shell is provided with a fool-proof guide strip, the corresponding position in the plug shell is provided with a guide groove, and the fool-proof guide strip is matched with the guide groove.

Furthermore, the plug shell is internally provided with a plug front sealing ring at the tail end position of the guide groove, and the plug shell and the socket shell extrude the plug front sealing ring to play a waterproof role.

The utility model discloses a three-core high-voltage connector, its beneficial effect is: the structure is simple, the assembly is simple and convenient, the fool-proof structure is provided, and the use is safe and reliable; high-performance engineering plastics are adopted, so that the product strength is high; can be compatible with 2.5-4 mm²The shielding cable is suitable for different use environments; shielding is carried out for 360 degrees, shielding treatment is simple, effective shielding connection is achieved, and an EMC shielding function is achieved; the product protection grade reaches IP67 and IP6K 9K.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the mated plug and receptacle assemblies;

FIG. 2 is a schematic view of the plug assembly and receptacle assembly shown separated;

FIG. 3 is an exploded view of the plug assembly;

FIG. 4 is a cross-sectional schematic view of the plug assembly;

FIG. 5 is a schematic view of an exploded structure of the receptacle assembly;

FIG. 6 is a cross-sectional schematic view of the receptacle assembly;

in the figure: 1. the plug comprises a plug component, 2. a socket component, 1-1. a plug front sealing ring, 1-2. a plug upper cover, 1-3. a plug shielding shell, 1-4. a terminal upper insulating shell, 1-5. a terminal lower insulating shell, 1-6. a plug outer shell, 1-7. a female terminal clamping sleeve, 1-8. a female terminal, 1-9. a shielding ring, 1-10. a cable sealing ring, 1-11. a plug rear cover, 2-1. a socket shielding shell, 2-2. a socket outer shell, 2-3. a socket bush, 2-4. a socket sealing ring, 2-5. a male terminal clamping sleeve, 2-6. a male terminal and 2-7. a fool-proof guide bar.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The three-core high-voltage connector shown in figure 1 comprises a plug assembly 1 and a socket assembly 2, wherein the plug assembly 1 comprises a plug shell 1-6, a lower terminal insulating shell 1-5, an upper terminal insulating shell 1-4 and a plug shielding shell 1-3 are sequentially sleeved in the plug shell 1-6 from inside to outside in a stacking manner, an upper plug cover 1-2 covers the front part of the plug shielding shell 1-3, a female terminal 1-8 penetrates through the lower terminal insulating shell 1-5, a shielding ring 1-9 is crimped at the tail end of the female terminal 1-8, a cable sealing ring 1-10 is assembled at the tail end of the plug shell 1-6 and is covered with a rear plug cover 1-11, the socket assembly 2 comprises a socket shell 2-2, a cavity convenient for the male terminal 2-6 to pass through is arranged in the socket shell 2-2, the socket shielding shell 2-1 is inserted at the periphery of the cavity, and the tail end face of the socket shell 2-2 is provided with a socket sealing ring 2-4 and a socket bush 2-3.

The lower insulating shell 1-5 of the terminal is provided with 3 mutually independent cavities, a female terminal 1-8 correspondingly penetrates through each cavity, 3 male terminals 2-6 penetrate through the corresponding socket shell 2-2, and the male terminals 2-6 are connected with the female terminals 1-8 in a matched mode.

The front end of the female terminal 1-8 is sleeved with a female terminal clamping sleeve 1-7, the female terminal clamping sleeve 1-7 is provided with an axial elastic sheet, and the elastic sheet is abutted against the front end part of the lower insulating shell 1-5 of the terminal to prevent the female terminal 1-8 from axially falling off.

A slot is arranged in the socket shell 2-2, and the socket shielding shell 2-1 is inserted in the slot.

The front end of the male terminal 2-6 is sleeved with a male terminal clamping sleeve 2-5, the male terminal clamping sleeve 2-5 is provided with an axial elastic sheet, and the elastic sheet is abutted against a step in the socket shell 2-2 to prevent the male terminal 2-6 from axially falling off.

The tail end face of the socket shell 2-2 is provided with an embedded groove, and the socket sealing ring 2-4 is embedded in the embedded groove.

The number of the socket bushings 2-3 is 4, and the 4 socket bushings are respectively and symmetrically arranged on the edge of the tail end face of the socket shell 2-2.

The outer wall of the socket shell 2-2 is provided with a fool-proof guide bar 2-7, the corresponding position in the plug shell 1-6 is provided with a guide groove, and the fool-proof guide bar 2-7 is matched with the guide groove.

The plug shell 1-6 is internally provided with a plug front sealing ring 1-1 at the tail end of the guide groove, and the plug shell 1-6 and the socket shell 2-2 extrude the plug front sealing ring 1-1 to play a waterproof role.

The assembly steps of the plug assembly are as follows:

step 1, pre-assembling a plug shielding shell 1-3, a terminal upper insulating shell 1-4 and a terminal lower insulating shell 1-5 together;

step 2, the assembly obtained in the step 1 is arranged in a plug shell 1-6, the assembly in the step 1 is covered by a plug upper cover 1-2 and is assembled in the plug shell 1-6;

step 3, after the female terminals 1-8 and the shielding rings 1-9 of the assembled female terminal clamping sleeves 1-7 are crimped, the tail parts of the female terminals are plugged into the assembly obtained in the step 2;

and 4, assembling the cable sealing ring 1-10 and the plug rear cover 1-11 from the tail part to finish assembly.

The assembly steps of the socket assembly are as follows:

step 1, pre-assembling a socket shielding shell 2-1, a socket shell 2-2, a socket bushing 2-3 and a socket sealing ring 2-4 together;

and 2, plugging the male terminal 2-6 of the assembled male terminal ferrule 2-5 into the assembly obtained in the step 1 from the tail part, and finishing assembly.

The three-core high-voltage connector of the utility model can be connected with 2.5mm²～4mm²The shielded wire is mainly used for auxiliary equipment such as DC-DC of electric and hybrid electric vehicles, air conditioners and the like. The structure is simple, the assembly is simple and convenient, the fool-proof structure is provided, and the use is safe and reliable; high-performance engineering plastics are adopted, so that the product strength is high; shielding is carried out for 360 degrees, shielding treatment is simple, effective shielding connection is achieved, and an EMC shielding function is achieved; product protection grades IP67, IP6K 9K.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A three-core high-voltage connector is characterized in that: the novel plug comprises a plug component (1) and a socket component (2), wherein the plug component (1) comprises a plug shell (1-6), a lower terminal insulating shell (1-5), an upper terminal insulating shell (1-4) and a plug shielding shell (1-3) are sequentially sleeved in the plug shell (1-6) from inside to outside, the front part of the plug shielding shell (1-3) is covered with an upper plug cover (1-2), a female terminal (1-8) is arranged in the lower terminal insulating shell (1-5) in a penetrating manner and is crimped with a shielding ring (1-9) at the tail end of the female terminal (1-8), a cable sealing ring (1-10) is assembled at the tail end of the plug shell (1-6) and covered with a rear plug cover (1-11), and the socket component (2) comprises a socket shell (2-2), the socket is characterized in that a cavity convenient for the male terminal (2-6) to pass through is arranged in the socket shell (2-2), the socket shielding shell (2-1) is inserted in the periphery of the cavity, and a socket sealing ring (2-4) and a socket bush (2-3) are assembled on the tail end face of the socket shell (2-2).

2. A three-core high-voltage connector as claimed in claim 1, wherein: the lower insulating shell (1-5) of the terminal is provided with 3 mutually independent cavities, a female terminal (1-8) is correspondingly arranged in each cavity in a penetrating mode, 3 male terminals (2-6) are arranged in the corresponding socket shell (2-2) in a penetrating mode, and the male terminals (2-6) are connected with the female terminals (1-8) in a matching mode.

3. A three-core high-voltage connector as claimed in claim 1, wherein: the front end of the female terminal (1-8) is sleeved with a female terminal clamping sleeve (1-7), the female terminal clamping sleeve (1-7) is provided with an axial elastic sheet, and the elastic sheet is abutted against the front end of the lower insulating shell (1-5) of the terminal to prevent the female terminal (1-8) from axially falling off.

4. A three-core high-voltage connector as claimed in claim 1, wherein: a slot is arranged in the socket shell (2-2), and the socket shielding shell (2-1) is inserted in the slot.

5. A three-core high-voltage connector as claimed in claim 1, wherein: the front end of the male terminal (2-6) is sleeved with a male terminal clamping sleeve (2-5), the male terminal clamping sleeve (2-5) is provided with an axial elastic sheet, and the elastic sheet is abutted against a step in the socket shell (2-2) to prevent the male terminal (2-6) from axially falling off.

6. A three-core high-voltage connector as claimed in claim 1, wherein: the tail end face of the socket shell (2-2) is provided with an embedded groove, and the socket sealing ring (2-4) is embedded in the embedded groove.

7. A three-core high-voltage connector as claimed in claim 1, wherein: the number of the socket bushings (2-3) is 4, and the socket bushings are respectively and symmetrically arranged on the edge of the tail end face of the socket shell (2-2).

8. A three-core high-voltage connector as claimed in claim 1, wherein: the outer wall of the socket shell (2-2) is provided with a fool-proof guide strip (2-7), the corresponding position in the plug shell (1-6) is provided with a guide groove, and the fool-proof guide strip (2-7) is matched with the guide groove.

9. A three-core high-voltage connector as claimed in claim 8, wherein: the plug is characterized in that a plug front sealing ring (1-1) is assembled at the tail end position of the guide groove in the plug shell (1-6), and the plug shell (1-6) and the socket shell (2-2) extrude the plug front sealing ring (1-1) to play a waterproof role.