CN112952481B - Electrical connector assembly and its board end connector and wire end connector - Google Patents

Abstract

The invention provides an electrical connector assembly and its board-end connector and wire-end connector. When in use, the wire-end metal shell and the board-end metal shell form a shielding frame-shaped body, so that the wire-side conductive terminal group and the board Electrical shielding is provided at the periphery of the electrical connection between the terminal conductive terminal groups, thereby achieving the purpose of reducing the degree of external interference to electronic signal transmission; in addition, the present invention uses a metal shell to form a connection between the wire-end connector and the board-end connector. Due to the good wear resistance of the metal shell, the electrical connector assembly of the present invention can reduce the degree of wear after repeated use, thereby improving the service life of the electrical connector assembly of the present invention; Furthermore, the insulator of the board end connector of the present invention has a fastening structure capable of buckling the terminal connector, thereby maintaining the state of the wire end connector plugged into the board end connector.

Description

Electrical connector assembly and its board end connector and wire end connector

technical field

The invention relates to the field of electrical connectors, in particular to an electrical connector assembly and its board end connector and wire end connector.

Background technique

Electrical connectors include conductive terminals, which can be used to transmit electronic signals, making electrical connectors widely used in various types of electronic products. However, the transmission of electronic signals in electrical connectors is often subject to external interference. With the advancement of technology The performance of electronic products has also been greatly improved, so that the transmission performance of electronic signals of electrical connectors is strictly required.

Therefore, how to reduce the degree of external interference to the transmission of the electronic signal of the electrical connector has become a technical issue that the industry is eager to challenge and overcome.

Contents of the invention

In view of the above-mentioned shortcomings of the prior art, the present invention provides an electrical connector assembly, including: a board end connector, the board end connector has a board end conductive terminal group, a board end insulator and a board end metal shell , wherein: the board end insulator has a board end insulator fastening structure, and the board end insulator is used to embed the board end conductive terminal group; the board end metal shell has a board end metal shell guiding structure; And a terminal connector, the terminal connector is used for plugging the board terminal connector, and has a terminal group, a terminal insulator and a terminal metal shell, and the metal shell has a terminal metal shell A guiding structure, the guide structure of the wire-end metal shell is aligned with the guide structure of the board-end metal shell, so as to guide the insertion of the wire-end connector into the board-end connector, so that the wire-end conductive terminal group is connected to the board-end connector Both of the conductive terminal groups on the board end are electrically connected, wherein: when the wire end connector is plugged into the board end connector, the wire end insulator fastening structure is fastened to the board end insulator fastening structure , to maintain the plugged state of the wire-end connector and the board-end connector, and the wire-end metal shell and the board-end metal shell form a shielding frame, and the shielding frame is in the Electrical shielding is provided at the periphery of the electrical connection between the wire end conductive terminal set and the board end conductive terminal set.

Optionally, in the above electrical connector assembly, the board end metal shell has a board end abutment structure, and the board end abutment structure is adjacent to the board end insulator fastening structure, so that the board end When the fastening structure of the terminal insulator is deformed, abutting force is provided to force the fastening structure of the board end insulator to return to its original shape.

Optionally, in the above electrical connector assembly, the board end abutting structure is an elastic arm structure, and the metal shell of the board end has grooves to form the elastic arm structure.

Optionally, in the above electrical connector assembly, the board end insulator has a board end insulator guiding structure, the wire end insulator has a wire end insulator guiding structure, and the wire end insulator guiding structure is aligned with the The board end insulator guiding structure guides the wire end connector to be plugged into the board end connector, so that the wire end conductive terminal group and the board end conductive terminal group are electrically connected.

Optionally, in the above electrical connector assembly, the board end conductive terminal group is composed of a plurality of board end conductive terminals, and the board end insulator also has a board end support structure, and the board end support structure Provide structural support for at least a part of the terminals in the plurality of board-side conductive terminals; the wire-side conductive terminal group is composed of a plurality of wire-side conductive terminals, and the wire-side insulator also has a wire-side support structure, and the wire-side The supporting structure provides structural support for at least a part of the plurality of wire-end conductive terminals.

Optionally, in the above electrical connector assembly, the wire-end conductive terminal set has a retaining wall structure, and the retaining wall structure stops the wire-end conductive terminal set relative to the board at a predetermined position. terminal block moves.

Optionally, in the above electrical connector assembly, the wire-end conductive terminal group is used to electrically connect at least one wire, and the tail of the wire-end conductive terminal group also has a The solder positioning groove is used for positioning the solder, so as to improve the effect of the solder welding the wire.

Optionally, in the above-mentioned electrical connector assembly, the board end metal shell also has a board end observation hole, and the board end observation hole provides a direct view to observe whether the wire end connector has been plugged into the board end. Connector.

Optionally, in the above electrical connector assembly, the wire-end metal shell has a wire-end fitting structure, and the wire-end fitting structure provides for fitting the wire-end insulator; the board-end metal shell has A board end fitting structure, said board end fitting structure provides for fitting said board end insulator.

Optionally, in the above electrical connector assembly, the wire end fitting structure is a bending structure of a part of the wire end metal shell, and the board end fitting structure is a metal The bent structure of a part of the shell.

Optionally, in the above electrical connector assembly, the wire end metal shell has a wire end clamping structure, the board end metal shell has a board end clamping structure, and the wire end clamping structure is connected to the wire end clamping structure. The board end clamping structure cooperates, when the wire end connector is plugged into the board end connector, the wire end clamping structure engages the board end clamping structure to maintain the wire end connection The plugging state of the device and the board end connector.

Optionally, in the above electrical connector assembly, the wire end clamping structure is a raised structure, and the board terminal clamping structure is a hole structure.

Optionally, in the above electrical connector assembly, the board terminal set includes at least one board signal terminal, at least one first board power terminal and at least one second board power terminal, wherein: The board signal terminal is located between the first board power terminal and the second board power terminal; the line terminal group includes at least one line signal terminal, at least one first line power terminal and at least one second line power terminal, wherein: the line signal terminal is located between the first line power terminal and the second line power terminal.

Optionally, in the above-mentioned electrical connector assembly, one end of the wire-end signal terminal has a signal terminal clamping structure, and one end of the first wire-end power terminal has a first power terminal clamping structure, One end of the second wire end power terminal has a second power terminal clamping structure; when the wire end connector is plugged into the board end connector, the signal terminal clamping structure electrically clamps the board The terminal signal terminal, the first power terminal clamping structure electrically clamps the first board power terminal, and the second power terminal clamping structure electrically clamps the second board power terminal.

In addition, the present invention also provides a board end connector, the board end connector provides a wire end connector for insertion, the wire end connector has a wire end metal shell, and the board end connector includes: a board end connector Insulator, the board end insulator has a board end insulator buckle structure; a board end metal shell, the board end metal shell has a board end metal shell guiding structure; wherein, the board end metal shell guiding structure guides the The wire end connector is plugged into the body of the board end connector; when the wire end connector is plugged into the body of the board end connector, the buckling structure of the board end insulator buckles the wire end connector , to maintain the state where the line end connector is inserted into the body of the board end connector, and the metal shell of the plate end is connected to the metal shell of the line end when the line end connector is inserted into the board end The periphery of the body of the device forms a shielding frame to provide electrical shielding.

Moreover, the present invention also provides a wire end connector, which provides a board end connector for plugging, and the board end connector has a board end insulator and a board end metal shell, and the wire end The connector includes: a wire end insulator, the wire end insulator has a wire end insulator fastening structure; a wire end metal shell, the wire end metal shell has a wire end metal shell guiding structure; wherein, the wire end metal shell guiding structure Align the metal shell of the board end to provide a guide for inserting the body of the wire end connector into the board end connector; when the body of the wire end connector is plugged into the board end connector, the The wire-end insulator fastening structure buckles the board-side insulator to maintain the insertion state of the body of the wire-side connector and the board-side connector, and the wire-side metal shell and the board-side metal shell A shielding frame-shaped body is formed around the body of the wire end connector where the body of the wire end connector is plugged into the board end connector to provide electrical shielding.

Compared with the prior art, the present invention provides an electrical connector assembly and its board end connector and wire end connector. In use, the wire end metal shell and the board end metal shell form a shielding frame to The periphery of the electrical connection between the conductive terminal group and the board-side conductive terminal group provides electrical shielding, thereby achieving the purpose of reducing the degree of external interference to electronic signal transmission; The plug-in guide structure between the two connectors, due to the good wear resistance of the metal shell, the electrical connector assembly of the present invention can reduce the degree of wear after repeated use, thereby improving the electrical connector assembly of the present invention. In addition, the insulator of the board terminal connector of the present invention has a buckle structure that can buckle the terminal connector, so that the state of the terminal connector plugged into the board terminal connector can be maintained.

Description of drawings

1 to 4 are schematic views of the electrical connector assembly of the present invention in use in an embodiment.

5 to 6 are exploded schematic diagrams of an embodiment of the electrical connector assembly of the present invention.

7 to 9 are exploded schematic diagrams of an embodiment of the board connector of the present invention.

FIG. 12 to FIG. 15 are cross-sectional schematic views of an embodiment of the cable-end connector plug-in board-end connector of the present invention.

FIG. 16 is a schematic diagram of the process of the plug-in board connector of the cable connector in an embodiment of the present invention.

FIG. 17 to FIG. 18 are schematic views of the use state of the line-end signal terminal in an embodiment of the present invention.

19 to 22 are schematic views of the electrical connector assembly of the present invention in use in another embodiment.

23 to 24 are exploded schematic diagrams of another embodiment of the electrical connector assembly of the present invention.

25 to 27 are exploded schematic diagrams of another embodiment of the board connector of the present invention.

28 to 29 are exploded schematic diagrams of another embodiment of the cable end connector of the present invention.

30 to 31 are schematic cross-sectional views of another embodiment of the cable-end connector plug-in board-end connector of the present invention.

Symbol Description

1 Electrical connector assembly

11 Header connector

111 Board-side conductive terminal set

1111 Board signal terminal

1112 Power terminal on the first board side

1113 Power terminal on the second board side

112 Board end insulator

1121 Board end insulator buckle structure

1122 Board end insulator guide structure

1123 Plate end support structure

113 Board Head Metal Housing

1131 Board end abutment structure

1132 Board end metal housing guide structure

1133 board end card connection structure

1134 Board end fitting structure

1135 Board end inspection hole

1137 Groove

12-wire end connector

121 wire end conductive terminal set

1211 Line signal terminal

12111 signal terminal clamping structure

1212 The first line end power supply terminal

12121 The first power terminal clamping structure

1213 2nd line end power supply terminal

12131 Second power terminal clamping structure

1214 Retaining wall structure

1215 side wall

1216 Solder Locating Groove

122 Wire End Insulator

1221 Wire end insulator buckle structure

1222 Wire-end insulator guide structure

1223 Line end support structure

123 wire end metal housing

1231 wire end metal shell guide structure

1232 Wire end clamping structure

1233 Wire end fitting structure

1234 wire end metal shell terminal plate shielding structure

13 shielding frame

2 wire

3 Solder

4 plates

Detailed ways

The following content will be combined with illustrations to illustrate the technical content of the present invention through specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. Various modifications and changes may be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. In particular, the proportions and relative positions of various components in the drawings are for exemplary purposes only, and do not represent the actual situation of the implementation of the present invention.

Refer to FIG. 1 to FIG. 31 for the description of the embodiment of the technical disclosure of the present invention.

In the embodiment shown in FIGS. 1 to 18 , the present invention provides an electrical connector assembly 1 including a board connector 11 and a wire connector 12 . The board connector 11 has a board terminal set 111 , a board insulator 112 and a board metal shell 113 . The board end metal shell 113 has a board end engagement structure 1134 to provide an engagement board end insulator 112 .

Preferably, the plate end fitting structure 1134 is a bending structure of a part of the plate end metal shell 113 to simplify the manufacturing process.

In addition, the board end insulator 112 has a board end insulator fastening structure 1121 , and the board end conductive terminal group 111 is embedded in the board end insulator 112 .

The board end metal shell 113 is adjacent to the left and right sides and the top surface of the board end insulator 112 , and the board end metal shell 113 has a board end abutting structure 1131 and a board end metal shell guiding structure 1132 .

The board end abutting structure 1131 is, for example, a cantilever structure adjacent to the board end insulator fastening structure 1121 , so as to provide an abutting force when the board end insulator fastening structure 1121 is deformed, forcing the board end insulator fastening structure 1121 to return to its original shape.

Preferably, the board end metal shell 113 has a groove 1137 to form a spring arm structure.

For example, the board end insulator fastening structure 1121 can adapt to deformation when the board end insulator fastening structure 1121 is deformed by force, so that the deformation of the board end insulator fastening structure 1121 can meet expectations.

In addition, the board end abutting structure 1131 can also provide an abutting force to force the board end insulator fastening structure 1121 to return to its original shape when the force on the board end insulator fastening structure 1121 is released.

Preferably, the board end metal shell 113 also has a board end observation hole 1135 to provide a direct view through the board end metal shell 113 to observe whether the board end connector 11 is in place, and to judge whether the line end connector 12 has completed the plug board end connection device 11, so that the electrical connection between the wire end conductive terminal set 121 and the board end conductive terminal set 111 can meet expectations.

Preferably, the board terminal set 111 includes at least one board signal terminal 1111, at least one first board power terminal 1112 and at least one second board power terminal 1113, wherein: the board signal terminal 1111 is located on the first board Between the power terminal 1112 and the second board power terminal 1113, and compared with the first board power terminal 1112 and the second board power terminal 1113, the board signal terminal 1111 adopts a smaller terminal structure, In order to achieve the purpose of reducing the physical size of the board connector 11 .

The wire end connector 12 has a wire end conductive terminal set 121 , a wire end insulator 122 and a wire end metal shell 123 . In the present invention, the wire-end conductive terminal group 121 is used to electrically connect at least one wire 2. As shown in FIG. 17 and FIG. The slot 1216 and the solder positioning slot 1216 are used to accommodate the positioning solder 3 to improve the soldering effect of the solder 3 on the wire 2 and to ensure the electrical connection between the conductive terminal group 121 and the wire 2 .

In addition, the wire end conductive terminal group 121 has a retaining wall structure 1214, and the said retaining wall structure 1214 stops the wire end conductive terminal group 121 from moving relative to the board end conductive terminal group 111 at a predetermined position, so that the wire end conductive terminal group 121 and The relative positions of the conductive terminal groups 111 on the board end are as expected.

The wire end metal shell 123 has a wire end fitting structure 1233 for fitting the wire end insulator 122 .

Preferably, the wire end fitting structure 1233 is a bending structure of a part of the wire end metal shell 123 to simplify the manufacturing process.

In addition, as shown in FIG. 16 , the wire end metal housing 123 has a wire end metal housing guiding structure 1231 for aligning with the board end metal housing guiding structure 1132, and the wire end metal housing guiding structure 1231 and the board end metal housing guiding structure 1132 can Through the strength of the metal material of the wire-end metal shell 123 and the board-end metal shell 113, the wire-end connector 12 is guided to be plugged into the board-side connector 11, so that the wire-end conductive terminal group 121 and the board-side conductive terminal group 111 can be The electrical connection is completed during the process of inserting the line-side connector 12 into the board-side connector 11, and effectively prevents the line-side insulator 122 from colliding with the board-side conductive terminal group 111 (including the board-side signal terminal 1111) of the board-side connector 11 unexpectedly. , the first board power terminal 1112 and the second board power terminal 1113 ), so as to increase the service life of the board connector 11 .

It should be noted that, in the present invention, the guide structure 1231 of the metal shell at the wire end and the guide structure 1132 of the metal shell at the plate end are both made of metal materials. Since the metal material has good wear resistance, the electrical connector assembly of the present invention 1 It can avoid the problem of severe wear after repeated use.

The wire end insulator 122 has a wire end insulator buckle structure 1221, and the wire end metal shell 123 avoids the wire end insulator buckle structure 1221, so that when the wire end connector 12 is plugged into the board end connector 11, the board end insulator buckles The connection structure 1121 is deformed under force, so that the wire end insulator buckle structure 1221 is buckled to the board end insulator buckle structure 1121, so as to maintain the insertion state of the wire end connector 12 and the board end connector 11, and the wire end The metal shell 123 is adjacent to the left and right sides and the bottom surface of the terminal insulator 122, so that when the line-end connector 12 is plugged into the board-end connector 11, the wire-end metal shell 123 and the board-end metal shell 113 form a shielding frame 13, The shielding frame 13 provides electrical shielding around the electrical connection between the wire-side conductive terminal set 121 and the board-side conductive terminal set 111 to increase the electrical characteristics of the electrical connector assembly 1 of the present invention.

Preferably, the line-side conductive terminal group 121 includes at least one line-side signal terminal 1211, at least one first line-side power terminal 1212 and at least one second line-side power terminal 1213, wherein: the line-side signal terminal 1211 is located at the first line-side power terminal Between 1212 and the second line-side power terminal 1213, and compared with the first line-side power terminal 1212 and the second line-side power terminal 1213, the line-side signal terminal 1211 adopts a terminal structure with a smaller body size to achieve a smaller line. The purpose of body size of terminal connector 12.

Preferably, as shown in FIG. 17 , one end of the line-side signal terminal 1211 has a signal terminal clamping structure 12111 , one end of the first line-side power terminal 1212 has a first power terminal clamping structure 12121 , and the second line-side power terminal 1213 has a clamping structure 12111 . One end has a second power terminal clamping structure 12131; thus, when the line connector 12 is plugged into the board connector 11, the signal terminal clamping structure 12111 electrically clamps the board signal terminal 1111, and the first power terminal clamps The structure 12121 electrically clamps the first board end power terminal 1112, and the second power terminal clamping structure 12131 electrically clamps the second board end power terminal 1113, so as to ensure that the wire end conductive terminal group 121 is in contact with the board end conductive terminal group 111. The electrical connection of the latter meets expectations, and the size of the wire-side signal terminal group 122 and the board-side signal terminal group 112 is reduced, thereby achieving the purpose of reducing the size of the wire-side connector 12 and the board-side connector 11 .

Preferably, the wire end metal shell 123 has a wire end clamping structure 1232 such as an embossed structure. Correspondingly, the board end metal shell 113 has a board end clamping structure that cooperates with the wire end clamping structure 1232 such as a hole structure. 1133, in this way, when the wire end connector 12 is plugged into the board end connector 11, the wire end clamping structure 1232 can buckle the board end clamping structure 1133, so as to pass through the metal shell 123 of the wire end and the metal shell of the board end metal shell 113. The strength of the material maintains the plugged state of the wire end connector 12 and the board end connector 11. Due to the good wear resistance of the metal material, the electrical connector assembly 1 of the present invention can avoid severe wear and tear after repeated use. problems, and further increase the service life of the electrical connector assembly 1 of the present invention.

In the embodiment shown in FIGS. 19 to 31 , in the electrical connector assembly 1 of the present invention, the board end insulator 112 has a board end insulator guiding structure 1122 such as a tongue plate, and the wire end insulator 122 has a concave structure such as a The wire end insulator guide structure 1222, wherein the wire end insulator guide structure 1222 is aligned with the board end insulator guide structure 1122 to provide foolproofing, and then guide the wire end connector 12 to plug into the board end connector 11, so that the wire end conductive terminal group 121 and the board terminal set 111 can be electrically connected.

In addition, the board end conductive terminal group 111 is composed of a plurality of board end conductive terminals, and the board end insulator 112 also has a board end support structure 1123, and the board end support structure 1123 is connected to at least a part of the plurality of board end conductive terminals The signal terminals 1111) provide structural support to prevent the conductive terminals of the board from being bent and damaged when the line connector 12 is plugged into the board connector 11 . Correspondingly, the wire-end conductive terminal group 121 is composed of a plurality of wire-end conductive terminals, and the wire-end insulator 122 also has a wire-end support structure 1223, and the wire-end support structure 1223 is connected to at least a part of the plurality of wire-end conductive terminals (such as wire The terminal signal terminal 1211) provides structural support to avoid bending and damage to the conductive terminal of the line terminal during the process of inserting the terminal connector 12 into the board terminal connector 11.

To sum up, the present invention provides an electrical connector assembly, in which the wire-end metal shell and the board-end metal shell form a shielding frame-shaped body to protect both the wire-side conductive terminal group and the board-side conductive terminal group. The periphery of the electrical connection provides electrical shielding, thereby achieving the purpose of reducing the degree of external interference to electronic signal transmission. In addition, the present invention uses a metal shell to form a plug-in guide structure between the wire end connector and the board end connector. Due to the good wear resistance of the metal shell, the electrical connector assembly of the present invention can be reduced in multiple times. The degree of wear after use improves the service life of the electrical connector assembly of the present invention. Furthermore, the insulator of the board end connector of the present invention has a fastening structure capable of buckling the terminal connector, so that the state of the wire end connector plugged into the board end connector can be maintained.

The above-mentioned embodiments are only illustrative to illustrate the principles and functions of the present invention, and are not intended to limit the present invention. Anyone skilled in the art can modify and change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be listed as the patent scope of the present invention.

Claims (15)

1. An electrical connector assembly configured with a board, comprising:

a plate end connector, said plate end connector is set on said plate material, and has a plate end conductive terminal group, a plate end insulator and a plate end metal shell, in which:

the plate end insulator is provided with a plate end insulator buckling structure and is used for embedding the plate end conductive terminal group;

the plate end metal shell has a plate end metal shell guide structure; and

a line end connector, the line end connector is used for pegging graft the board end connector, and has a line end conductive terminal group, a line end insulator and a line end metal casing, the line end insulator has a line end insulator lock joint structure, the line end metal casing has a line end metal casing guide structure and an end metal casing terminal panel shielding structure, line end metal casing guide structure aims at the board end metal casing guide structure, in order to provide the guide the line end connector pegs graft the board end connector, make the line end conductive terminal group with both reach electric connection of the board end conductive terminal group, wherein:

when the terminal connector is plugged into the plate end connector, the terminal insulator buckling structure buckles the plate end insulator buckling structure so as to maintain the plugging state of the terminal connector and the plate end connector, and the terminal metal shell and the plate end metal shell form a shielding frame body which provides electrical shielding at the periphery of the electrical connection part of the terminal end conductive terminal group and the plate end conductive terminal group, and the shielding structure of the terminal metal shell terminal plate provides electrical shielding between the electrical connection part of the terminal end conductive terminal group and the plate.

2. The electrical connector assembly of claim 1, wherein the plate end metal shell has a plate end abutment structure that abuts the plate end insulator snap fitting structure to provide an abutment force when the plate end insulator snap fitting structure is deformed to force the plate end insulator snap fitting structure to return to its original shape.

3. The electrical connector assembly of claim 2 wherein said board end abutment structure is a spring arm structure, said board end metal shell having grooves to form said spring arm structure.

4. The electrical connector assembly of claim 1, wherein said plate end insulator has a plate end insulator guide structure, said wire end insulator has a wire end insulator guide structure, said wire end insulator guide structure being aligned with said plate end insulator guide structure, and said wire end connector is then guided into engagement with said plate end connector to electrically connect said wire end set of conductive terminals with said plate end set of conductive terminals.

5. The electrical connector assembly of claim 1 wherein said set of board end conductive terminals is comprised of a plurality of board end conductive terminals, and said board end insulator further has a board end support structure providing structural support to at least a portion of said plurality of board end conductive terminals; the line end conductive terminal group is composed of a plurality of line end conductive terminals, and the line end insulator is also provided with a line end supporting structure which provides structural support for at least one part of the plurality of line end conductive terminals.

6. The electrical connector assembly of claim 1, wherein said wire end conductive terminal set has a retaining wall structure, said retaining wall structure stopping movement of said wire end conductive terminal set relative to said plate end conductive terminal set at a predetermined position.

7. The electrical connector assembly of claim 1, wherein the terminal set is configured to electrically connect to at least one wire, and the tail portion of the terminal set further comprises a solder positioning groove formed by at least two sidewalls, the solder positioning groove being configured to position solder to improve soldering of the wire.

8. The electrical connector assembly of claim 1, wherein the plate end metal shell further has a plate end sight opening providing a direct view of whether the wire end connector is completed with a patch plate end connector.

9. The electrical connector assembly of claim 1, wherein said wire end metal shell has a wire end nesting feature providing nesting of said wire end insulator; the plate end metal shell has a plate end engaging structure that provides for engaging the plate end insulator.

10. The electrical connector assembly of claim 9, wherein the wire end engagement structure is a bent structure of a portion of the wire end metal shell and the board end engagement structure is a bent structure of a portion of the board end metal shell.

11. The electrical connector assembly of claim 1, wherein the wire end metal shell has a wire end clamping structure, the plate end metal shell has a plate end clamping structure, the wire end clamping structure is matched with the plate end clamping structure, and when the wire end connector is plugged into the plate end connector, the wire end clamping structure clamps the plate end clamping structure to maintain the plugging state of the wire end connector and the plate end connector.

12. The electrical connector assembly of claim 11, wherein the wire end snap structure is an embossment and the plate end snap structure is a hole.

13. The electrical connector assembly of claim 1, wherein the set of board-end conductive terminals comprises at least one board-end signal terminal, at least one first board-end power terminal and at least one second board-end power terminal, wherein: the board-end signal terminal is positioned between the first board-end power supply terminal and the second board-end power supply terminal; the line end conductive terminal group comprises at least one line end signal terminal, at least one first line end power terminal and at least one second line end power terminal, wherein: the end-of-line signal terminal is located between the first end-of-line power terminal and the second end-of-line power terminal.

14. The electrical connector assembly of claim 13, wherein one end of the line-end signal terminal has a signal terminal retention structure, one end of the first line-end power terminal has a first power terminal retention structure, and one end of the second line-end power terminal has a second power terminal retention structure; when the line end connector is plugged in the board end connector, the signal terminal clamping structure electrically clamps the board end signal terminal, the first power terminal clamping structure electrically clamps the first board end power terminal, and the second power terminal clamping structure electrically clamps the second board end power terminal.

15. The utility model provides a line terminal connector, its characterized in that, line terminal connector provides a board end connector of pegging graft, board end connector sets up on a panel, and has a board end conductive terminal group, a board end insulator and a board end metal casing, line terminal connector includes:

a terminal conductive terminal group;

a wire end insulator having a wire end insulator snap-fit structure;

a wire end metal housing having a wire end metal housing guide structure and a wire end metal housing terminal plate shield structure; wherein,

the wire end metal shell guiding structure is aligned with the plate end metal shell to provide a body for guiding the wire end connector to be inserted into the plate end connector, so that the wire end conductive terminal group and the plate end conductive terminal group are electrically connected;

when the body of line end connector is pegged graft during the board end connector, line end insulator lock joint structure lock joint the board end insulator, in order to maintain the body of line end connector with the grafting state of board end connector, just line end metal casing with board end metal casing is in the body of line end connector is pegged graft the periphery of board end connector department constitutes a shielding frame body in order to provide the electrical shielding, line end metal casing terminal panel shielding structure is in line end conductive terminal group with both electrical connection departments of board end conductive terminal group with provide the electrical shielding between the panel.

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