TWM602293U - 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, which is composed of a metal shell and a plug guide structure between a wire end connector and a board end connector. Since the metal shell has good abrasion resistance, the electrical connector assembly can reduce the degree of wear after repeated use, thereby improving the service life of the electrical connector assembly of the present invention.

Description

Electric connector assembly and its board end connector and wire end connector

This creation relates to an electrical connector assembly and its board end connector and line end connector. More specifically, it refers to an electrical connector assembly and its board end connection that can reduce external interference in electronic signal transmission. The board end connector insulator has a buckling structure that can buckle the terminal connector, so that the state of the line end connector plugged into the board end connector can be maintained.

According to, electrical connectors include conductive terminals and 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, making the transmission performance of electronic signals of electrical connectors strictly required.

Therefore, how to reduce the degree of external interference in the transmission of electronic signals of electrical connectors has become a technical issue that the industry urgently wants to overcome.

In view of the above-mentioned shortcomings of the prior art, this invention provides an electrical connector assembly, which includes: 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 insulation system has a board end insulator buckle structure, and the board end insulation system 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 wire end connector, the wire end connector is used to plug the board end connector, and has a wire end conductive terminal group, a wire end insulator and a wire end metal shell, the wire end metal shell has a wire end metal shell Guide structure, the wire end metal shell guiding structure has to be aligned with the board end metal shell guiding structure to provide guidance for the wire end connector to be inserted into the board end connector, so that the wire end conductive terminal group and the board end conductive terminal The two groups have to achieve an electrical connection, where: when the wire end connector is plugged into the board end connector, the wire end insulator buckling structure buckles the board end insulator buckle structure to maintain the wire end connector The plug-in state with the board-end connector, and the wire-end metal shell and the board-end metal shell form a shielding frame-shaped body, and the shielding frame-shaped system is between the wire-end conductive terminal group and the board-end conductive terminal group Electrical shielding is provided on the periphery of the electrical connection between the two.

Optionally, in the above-mentioned electrical connector assembly, the board-end metal shell has a board-end abutting structure, and the board-end abutting structure is adjacent to the board-end insulator buckling structure to buckle the board-end insulator. When the connecting structure is deformed, it provides abutting force to force the board end insulator buckle structure to return to its original shape.

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

Optionally, in the above-mentioned electrical connector assembly, the board end insulation system 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 board end The insulator guide structure then guides the wire end connector to be inserted into the board end connector, so that the wire end conductive terminal group and the board end conductive terminal group can be electrically connected.

Optionally, in the above-mentioned electrical connector assembly, the board-end conductive terminal group is composed of a plurality of board-end conductive terminals, and the board-end insulator further has a board-end supporting structure, and the board-end supporting structure is a pair of At least a part of the plurality of board-end conductive terminals provide structural support; the line-end conductive terminal group is composed of a plurality of line-end conductive terminals, and the line-end insulator also has a line-end support structure, the line-end support structure is At least a part of the plurality of terminal conductive terminals provide structural support.

Optionally, in the above-mentioned electrical connector assembly, the wire-end conductive terminal group has a retaining wall structure, and the retaining wall structure is arranged at a predetermined position to stop the wire-end conductive terminal group from conducting electricity relative to the board end. The terminal group moves.

Optionally, in the above-mentioned electrical connector assembly, the wire end conductive terminal set is used to electrically connect at least one wire, and the tail of the wire end conductive terminal set further has a solder positioning formed by at least two side walls The solder positioning groove is used for positioning the solder to improve the effect of soldering the wire.

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

Optionally, in the above-mentioned 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 plate-end metal shell has a The board end fitting structure is provided to fit the board end insulator.

Optionally, in the above-mentioned electrical connector assembly, the wire end fitting structure is a bending structure of a part of the wire end metal shell, and the plate end fitting structure is a bending structure of the plate end metal shell Part of the bending structure.

Optionally, in the above-mentioned 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 board. The end clamping structure is structurally matched, so that when the line end connector is inserted into the board end connector, the line end clamping structure must be clamped to the board end clamping structure to maintain the line end connector and the board end connector. The mating state of the board connector.

Optionally, in the above-mentioned electrical connector assembly, the wire end clamping structure is an embossed structure, and the board end clamping structure is a hole structure.

Optionally, in the above-mentioned electrical connector assembly, the board-end conductive terminal group includes 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 The end signal terminal is located between the first board end power terminal and the second board end power terminal; the wire end conductive terminal group includes at least one wire end signal terminal, at least one first wire end power terminal, and at least one second The two-line end power terminal, wherein: the line-end signal terminal is located between the first line-end power terminal and the second line-end 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 inserted into the board end connector, the signal terminal clamping structure electrically clamps the board end signal For the 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.

In addition, this creation also provides a board-end connector, which provides a wire-end connector plugging, the wire-end connector has a wire-end metal shell, and the board-end connector includes: a board-end insulator, The board end insulation system has a board end insulator buckling 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 wire end connector Insert the body of the board end connector; when the wire end connector is inserted into the body of the board end connector, the board end insulator buckling structure has to buckle the wire end connector to maintain the wire end connector The state where the body of the board end connector is inserted, and the board end metal shell and the wire end metal shell are tied to the outer periphery of the line end connector where the board end connector is inserted into the body of the board end connector to form a shielding frame to Provide electrical shielding.

Furthermore, the present invention also provides a wire-end connector, the wire-end connector provides plug-in a board-end connector, the board-end connector has a board-end insulator and a board-end metal shell, the wire end is connected The device system includes: a wire-end insulator, the wire-end insulation system has a wire-end insulator buckling 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 is right The board end metal shell is quasi to provide guidance for the body of the wire end connector to be inserted into the board end connector; when the body of the wire end connector is inserted into the board end connector, the wire end insulator has a buckling structure The board end insulator is buckled to maintain the plug-in state of the main body of the wire end connector and the board end connector, and the wire end metal shell and the board end metal shell are connected to the main body of the wire end connector The periphery of the board connector forms a shielding frame to provide electrical shielding.

Compared with the prior art, this creation 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 must form a shielding frame for the wire end Electrical shielding is provided on the periphery of the electrical connection between the conductive terminal group and the board-end conductive terminal group, thereby achieving the purpose of reducing the degree of external interference in the transmission of electronic signals. In addition, this creation uses a metal shell to form the insertion 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 this creation can be reduced in many ways. The degree of wear that occurs after the second use, thereby increasing the service life of the electrical connector assembly of the invention. Furthermore, the insulator of the board connector of the present invention has a buckling structure capable of buckling the terminal connector, so that the state of the wire end connector plugging into the board connector can be maintained.

The following content will be combined with drawings to illustrate the technical content of this creation through specific specific embodiments. Those familiar with this technology can easily understand the other advantages and effects of this creation from the content disclosed in this specification. This creation can also be implemented or applied by other different specific embodiments. The details in this manual can also be modified and changed based on different viewpoints and applications without departing from the spirit of this creation. In particular, the proportional relationship and relative positions of the various elements in the drawings are for exemplary purposes only, and do not represent the actual situation of the implementation of this creation.

For the description of the embodiments disclosed in the authoring technology, please refer to FIGS. 1 to 31 together.

In the embodiment shown in FIG. 1 to FIG. 18, the present invention provides an electrical connector assembly 1 including a board end connector 11 and a wire end connector 12. The board end connector 11 has a board end conductive terminal group 111, a board end insulator 112 and a board end metal shell 113. The board-end metal shell 113 has a board-end fitting structure 1134 to provide the 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 buckling structure 1121, and the board end conductive terminal group 111 is embedded in the board end insulator 112. The plate end metal shell 113 is adjacent to the left and right sides and the top surface of the plate end insulator 112, and the plate end metal shell 113 has a plate end abutting structure 1131 and a plate end metal shell guiding structure 1132. The board end abutting structure 1131 is, for example, a cantilever structure adjacent to the board end insulator buckling structure 1121, which provides abutting force when the board end insulator buckling structure 1121 deforms, forcing the board end insulator buckling structure 1121 to return to its original shape. Preferably, the plate end metal shell 113 has a slot 1137 to form an elastic arm structure. For example, the board end insulator buckle connection structure 1121 can adapt to deformation when the board end insulator buckle connection structure 1121 is deformed under force, so that the deformation of the board end insulator buckle connection structure 1121 can meet expectations. In addition, the board end abutting structure 1131 can also provide abutting force to force the board end insulator buckling structure 1121 to return to its original shape when the force of the board end insulator buckling 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 determine whether the line-end connector 12 is plugged into the board-end connector. 11. The electrical connection relationship between the wire end conductive terminal group 121 and the board end conductive terminal group 111 can meet expectations.

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

The wire end connector 12 has a wire end conductive terminal group 121, a wire end insulator 122 and a wire end metal shell 123. In this creation, the wire end conductive terminal set 121 is used to electrically connect at least one wire 2, as shown in Figures 17 and 18. The tail of the wire end conductive terminal set also has a solder positioning formed by at least two side walls 1215 The groove 1216 and the solder positioning groove 1216 are used for accommodating the positioning solder 3 to improve the effect of soldering the wire 2 by the solder 3, while maintaining the electrical connection relationship between the wire end conductive terminal group 121 and the wire 2.

In addition, the wire end conductive terminal group 121 has a retaining wall structure 1214 that 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 The relative positional relationship with the board end conductive terminal group 111 is in line with expectations.

The wire end metal shell 123 has a wire end fitting structure 1233 to provide the wire end insulator 122 for fitting. 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 shell 123 has a wire-end metal shell guide structure 1231 for aligning with the board-end metal shell guide structure 1132. The wire-end metal shell guide structure 1231 and the board-end metal shell guide structure 1132 can By virtue of the metal material strength of the wire end metal shell 123 and the board end metal shell 113 respectively, the wire end connector 12 is guided to be inserted into the board end connector 11, so that the wire end conductive terminal group 121 and the board end conductive terminal group 111 are both, The electrical connection can be completed during the process of plugging the line end connector 12 into the board end connector 11, and effectively avoid the line end insulator 122 from unexpectedly hitting the board end conductive terminal group 111 (including the board end signal terminal) of the board end connector 11 1111, the first board-end power terminal 1112 and the second board-end power terminal 1113) to increase the service life of the board-end connector 11. It should be noted that, in this creation, the wire-end metal shell guiding structure 1231 and the board-end metal shell guiding structure 1132 are both made of metal materials. Due to the good wear resistance of the metal material, the electrical connector of this creation is always 1 can avoid serious wear and tear after repeated use.

The wire end insulator 122 has a wire end insulator buckling structure 1221, and the wire end metal shell 123 avoids the wire end insulator buckling structure 1221. Thus, when the wire end connector 12 is plugged into the board end connector 11, the board end The insulator buckling structure 1121 is deformed by force, so that the wire end insulator buckling structure 1221 buckles the board end insulator buckling structure 1121 to maintain the plug-in state of the wire end connector 12 and the board end connector 11, and the wire The terminal metal shell 123 is adjacent to the left and right sides and the bottom surface of the terminal insulator 122. Thus, when the terminal connector 12 is inserted into the board terminal connector 11, the terminal metal shell 123 and the board terminal metal shell 113 form a shielding frame shape. Body 13, the shielding frame-shaped body 13 provides electrical shielding at the periphery of the electrical connection between the line-side conductive terminal group 121 and the board-side conductive terminal group 111, so as to increase the electrical characteristics of the electrical connector assembly 1 of the invention.

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

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

Preferably, the wire-end metal shell 123 has a wire-end clamping structure 1232, for example, an embossed structure. Correspondingly, the board-end metal shell 113 has a board-end card that is structurally matched with the wire-end clamping structure 1232, such as a hole structure. 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 that the wire end metal shell 123 and the board end metal shell The strength of the metal material of 113 maintains the plug-in 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 this creation can avoid the occurrence of repeated use. The problem of serious wear and tear will increase the service life of the electrical connector assembly 1 of the 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 guide structure 1122 such as a tongue plate, and the wire end insulator 122 has, for example, The wire end insulator guiding structure 1222 of the recessed structure, wherein the wire end insulator guiding structure 1222 has to be aligned with the board end insulator guiding structure 1122 to provide foolproof, and then the guiding wire end connector 12 is inserted into the board end connector 11 so that the wire end The conductive terminal group 121 and the board-side conductive terminal group 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 for at least a part of the plurality of board-end conductive terminals (for example, The board end signal terminal 1111) provides structural support to avoid bending and damage of the board end conductive terminal when the line end connector 12 is inserted into the board end 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 supporting structure 1223, and the wire-end supporting structure 1223 is for at least a part of the plurality of wire-end conductive terminals ( For example, the wire end signal terminal 1211) provides structural support to avoid bending and damage of the wire end conductive terminal during the process of plugging the wire end connector 12 into the board end connector 11.

In summary, this creation provides an electrical connector assembly, in which the wire-end metal shell and the board-end metal shell form a shielding frame when in use, so that the wire-end conductive terminal group and the board-end conductive terminal group are two The periphery of the electrical connection is provided with electrical shielding, thereby achieving the purpose of reducing the degree of external interference in the transmission of electronic signals. In addition, this creation uses a metal shell to form the insertion 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 this creation can be reduced in many ways. The degree of wear that occurs after the second use, thereby increasing the service life of the electrical connector assembly of the invention. Furthermore, the insulator of the board connector of the present invention has a buckling structure capable of buckling the terminal connector, so that the state of the wire end connector plugging into the board connector can be maintained.

The above-mentioned embodiments only exemplify the principle and effect of the creation, and are not used to limit the creation. Anyone who is familiar with this technology can modify and change the above-mentioned embodiments without departing from the spirit and scope of the creation. Therefore, the protection scope of this creation should be as listed in the scope of the patent application for this creation.

1: Electrical connector assembly 11: Board end connector 111: Board end conductive terminal group 1111: Board end signal terminal 1112: First board end power terminal 1113: second board end power terminal 112: Board end insulator 1121: Board end insulator buckle structure 1122: Board end insulator guide structure 1123: Board end support structure 113: plate end metal shell 1131: Board end abutment structure 1132: Board end metal shell guide structure 1133: Board end card connection structure 1134: Board end fitting structure 1135: Board end observation hole 1137: Groove 12: Wire end connector 121: Wire end conductive terminal group 1211: Line end signal terminal 12111: signal terminal clamping structure 1212: The first line end power terminal 12121: First power terminal clamping structure 1213: second line end power terminal 12131: Second power terminal clamping structure 1214: retaining wall structure 1215: side wall 1216: Solder positioning groove 122: Wire end insulator 1221: Wire end insulator buckle structure 1222: Wire end insulator guide structure 1223: Wire end support structure 123: Wire end metal shell 1231: Wire end metal shell guide structure 1232: Line end card connection structure 1233: Wire end fitting structure 13: Shield frame 2: Wire 3: Solder

Figures 1 to 4 are schematic diagrams of the use state of the electrical connector assembly of the first embodiment of the invention.

Figures 5 to 6 are exploded schematic diagrams of the electrical connector assembly of the first embodiment of the invention.

Figures 7 to 9 are exploded schematic diagrams of the board end connector of the first embodiment of the invention.

Figures 10 to 11 are exploded schematic diagrams of the wire end connector of the first embodiment of the invention.

Figures 12 to 15 are schematic cross-sectional views of the plug-in board end connector of the wire end connector of the first embodiment of the invention.

Fig. 16 is a schematic diagram of the process of plugging into the board end connector of the line end connector of the first embodiment of the invention.

Figures 17 to 18 are schematic diagrams of the use state of the line end signal terminal of the first embodiment of the invention.

Figures 19-22 are schematic diagrams of the use state of the electrical connector assembly according to the second embodiment of the invention.

Figures 23 to 24 are exploded schematic diagrams of the electrical connector assembly of the second embodiment of the invention.

Figures 25-27 are exploded schematic diagrams of the board end connector of the second embodiment of the invention.

Figures 28 to 29 are exploded schematic diagrams of the terminal connector of the second embodiment of the invention.

Fig. 30 to Fig. 31 are schematic cross-sectional views of the plug-in board end connector of the wire end connector of the second embodiment of the invention.

11: Board end connector

111: Board end conductive terminal group

1111: Board end signal terminal

1112: First board end power terminal

1113: second board end power terminal

112: Board end insulator

1121: Board end insulator buckle structure

113: plate end metal shell

1132: Board end metal shell guide structure

1134: Board end fitting structure

Claims (16)

An electrical connector assembly, which includes: 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 insulation system has a board end insulator buckling structure, and the board end insulation system is used to embed the board end conductive terminal group; The plate end metal shell has a plate end metal shell guiding structure; and A wire end connector, the wire end connector is used to plug the board end connector, and has a wire end conductive terminal group, a wire end insulator and a wire end metal shell, and the wire end insulation system has a wire end insulator buckling structure , The wire end metal shell has a wire end metal shell guiding structure, the wire end metal shell guiding structure has to be aligned with the board end metal shell guiding structure to provide guidance for the wire end connector to insert the board end connector, so that The wire-end conductive terminal group and the board-end conductive terminal group must be electrically connected, wherein: When the wire end connector is plugged into the board end connector, the wire end insulator buckling structure needs to be buckled to the board end insulator buckling structure to maintain the plugging 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-shaped body, and the shielding frame-like system provides electricity at the periphery of the electrical connection between the wire-end conductive terminal group and the board-end conductive terminal group. Sexual shielding. The electrical connector assembly described in item 1 of the scope of patent application, wherein the plate end metal shell has a plate end abutment structure, and the plate end abutment structure is adjacent to the plate end insulator buckling structure, so as to The board end insulator buckle structure provides abutting force when deformed, forcing the board end insulator buckle structure to return to its original shape. According to the electrical connector assembly described in item 2 of the scope of patent application, the plate end abutting structure is an elastic arm structure, and the plate end metal shell has grooves to form the elastic arm structure. The electrical connector assembly described in item 1 of the scope of the patent application, wherein the board end insulation system has a board end insulator guiding structure, the wire end insulation system has a wire end insulator guiding structure, and the wire end insulator guiding structure has Align the board end insulator guide structure, and then guide the wire end connector to insert the board end connector, so that the wire end conductive terminal group and the board end conductive terminal group can be electrically connected. The electrical connector assembly described in item 1 of the scope of patent application, wherein 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 The supporting structure provides structural support for at least a part of the plurality of board-end conductive terminals; the wire-end conductive terminal group is composed of a plurality of wire-end conductive terminals, and the wire-end insulator also has a wire-end supporting structure. The supporting structure provides structural support for at least a part of the plurality of terminal conductive terminals. The electrical connector assembly described in item 1 of the scope of patent application, wherein the line-end conductive terminal group has a retaining wall structure, and the retaining wall structure is at a predetermined position to stop the line-end conductive terminal group from facing each other The board end conductive terminal group moves. The electrical connector assembly described in item 1 of the scope of the patent application, wherein the wire-end conductive terminal set is used to electrically connect at least one wire, and the tail of the wire-end conductive terminal set also has at least two side walls. A solder locating groove is used for locating solder to improve the effect of soldering the wire. The electrical connector assembly described in item 1 of the scope of patent application, wherein the board end metal shell further has a board end observation hole, and the board end observation hole provides a direct view to observe whether the wire end connector has completed the plug-in board End connector. The electrical connector assembly described in item 1 of the scope of patent application, wherein the wire end metal shell has a wire end fitting structure, and the wire end fitting structure provides the wire end insulator to be fitted; the plate end metal The shell is provided with a board end inserting structure, and the board end inserting structure provides an insulator for inserting the board end. The electrical connector assembly described in item 9 of the scope of patent application, wherein the wire end fitting structure is a bent structure of a part of the wire end metal shell, and the plate end fitting structure is a plate Bending structure of a part of the end metal shell. The electrical connector assembly described in item 1 of the scope of patent application, wherein 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 is clamped The structure and the board end clamping structure are structurally matched, so when the line end connector is inserted into the board end connector, the line end clamping structure must be clamped to the board end clamping structure to maintain the line end The plugging state of the connector and the board end connector. According to the electrical connector assembly described in item 11 of the scope of patent application, the wire end clamping structure is an embossed structure, and the board end clamping structure is a hole structure. The electrical connector assembly described in item 1 of the scope of patent application, wherein the board-end conductive terminal group includes 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 located between the first board end power terminal and the second board end power terminal; the wire end conductive terminal group includes at least one wire end signal terminal and at least one first wire end power terminal And at least one second line-end power terminal, wherein: the line-end signal terminal is located between the first line-end power terminal and the second line-end power terminal. The electrical connector assembly according to item 13 of the scope of patent application, wherein one end of the line end signal terminal has a signal terminal clamping structure, and one end of the first line end power terminal has a first power terminal A clamping structure, one end of the second wire end power terminal has a second power terminal clamping structure; when the wire end connector is inserted into the board end connector, the signal terminal clamping structure is electrically clamped For the board-side signal terminal, the first power terminal clamping structure electrically clamps the first board-side power terminal, and the second power terminal clamping structure electrically clamps the second board-side power terminal. A board end connector, the board end connector provides a wire end connector plugging, the wire end connector has a wire end metal shell, and the board end connector includes: A board end insulator, the board end insulation system has a board end insulator buckle structure; A plate end metal shell, the plate end metal shell has a plate end metal shell guide structure; wherein, The board end metal shell guiding structure guides the wire end connector to be inserted into the body of the board end connector; When the wire end connector is inserted into the body of the board end connector, the board end insulator buckling structure has to be buckled to the wire end connector to maintain the wire end connector plugged into the body of the board end connector State, and the board end metal shell and the line end metal shell are connected to the outer periphery of the body of the board end connector where the line end connector is inserted to form a shielding frame to provide electrical shielding. A wire-end connector, the wire-end connector provides a board-end connector for plugging, the board-end connector has a board-end insulator and a board-end metal shell, and the wire-end connector includes: A wire end insulator, the wire end insulation system has a wire end insulator buckle 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 needs to be aligned with the board-end metal shell to provide guidance for the body of the wire-end connector to be inserted into the board-end connector; When the body of the wire end connector is plugged into the board end connector, the wire end insulator buckling structure has to buckle the board end insulator to maintain the plug connection between the body of the wire end connector and the board end connector State, and the wire-end metal shell and the board-end metal shell are connected to the body of the wire-end connector at the periphery where the board-end connector is inserted to form a shielding frame to provide electrical shielding.

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