TW201914110A - Electric connector and tongue structure thereof for preventing abrasion or deformation of tongue plate causing influence to high-frequency signal transmission - Google Patents

Abstract

The present invention relates to an electric connector and tongue structure thereof, in which the tongue structure comprises a shielding plate, the shielding plate comprises a main body and a bending structure disposed on the main body. The main body comprises a first surface, a second surface, a front end, a rear end, and two sides located between the front end and the rear end. The bending structure is disposed on two sides of the main body, wherein the bending structure comprises an extending member, the extending member is configured with a contact surface, and the contact surface is substantially perpendicular to the first surface and the second surface and is adjacent to the front end of the main body. The bending structure further comprises a first support member, a second support member opposite to the first support member, and an extending member connecting with the first support member and the second support member.

Description

 Electrical connector and its tongue structure  

The present invention relates to an electrical connector and a tongue structure thereof, and more particularly to an electrical connector having a protective member and a tongue structure thereof.

The electrical connector is a pipe that provides a signal connection between electronic devices by using a plurality of terminal signal contacts. The universal serial bus (USB) connector is now the most widely used battery. One of the connectors.

For ease of use, the industry has developed USB Type-C electrical connectors that can be plugged in forward and reverse. The Type-C connector interface includes an insulative housing, a first terminal, a second terminal, and a hollow housing. The insulative housing comprises a base and a tongue extending from the base. Each of the first terminal and the second terminal are disposed on the base and the tongue. The hollow cover covers the insulating body and surrounds the tongue to form an interface. Generally, the tongue structure is A grounding piece can also be included.

However, in the design of the tongue-like structure of the Type-C connector, the grounding piece is a metal foil and a part of the front portion thereof is exposed outside the tongue plate. When the tongue plate and the butt connector are butted together, it is easy to Repeated insertion and removal causes the tongue and the grounding strip to wear or deform, which in turn affects the stability of the structure when the connector is docked, resulting in poor signal transmission. It is therefore desirable to provide an improved tongue structure and an electrical connector incorporating the tongue structure that effectively increases the wear resistance of the tongue structure.

The existing Type-C connector does not have a protection structure to reduce the wear or deformation of the tongue plate, so it is easy to cause a problem of poor structural stability when the connector is docked, thereby causing an effect of affecting high-frequency signal transmission, and cannot be satisfied. Customer requirements for signal transmission quality.

The invention provides a tongue structure of an electrical connector, comprising a shielding plate, the shielding plate comprising a body and at least one bending structure, the body comprising a first surface, a second surface opposite to the first surface, a front end portion, a rear end portion opposite to the front end portion, and a first side edge and a second side edge opposite between the front end portion and the rear end portion. The bending structure is disposed on the body, the bending structure includes an extension member, and the extension member is provided with a contact surface substantially perpendicular to the first surface and the second surface, the contact surface being adjacent to the front end portion of the body.

The present invention provides an electrical connector including a shielding plate, an insulating base, a first insulating member, a second insulating member, a plurality of first terminals, a plurality of second terminals, and a housing, wherein the shielding plate includes a body And a bending structure disposed on the body, the body includes a first surface, a second surface opposite to the first surface, a front end portion, and a rear end portion of the front end portion and the front end portion a first side edge and a second side edge between the rear end portions, the bending structure includes an extension member, the extension member is provided with a contact surface, the contact surface is substantially perpendicular to the first surface and the second surface The surface is adjacent to the front end of the body. The insulating base is disposed at a rear end portion of the shielding member near the body, the first insulating member is disposed on the first surface of the body, the second insulating member is disposed on the second surface of the body, and the plurality of first terminals are disposed on the first insulating member Upper, a plurality of second terminals are disposed on the second insulating member, and the outer casing surrounds the shielding plate to form a mating space, and the docking space has an opening.

The electrical connector provided by the present invention utilizes a shielding plate having a contact surface to protect the tongue structure. The unique contact surface can increase the wear resistance of the tongue structure, especially the contact surface is a rolling surface of the metal plate. In this way, a high wear resistance can be achieved, and the problem that the tongue of the existing connector is easily worn or deformed can be solved, which affects the transmission effect of high frequency signals.

1‧‧‧shading board

11‧‧‧Ontology

111‧‧‧ first surface

113‧‧‧ front end

114‧‧‧ Back end

12‧‧‧Bending structure

121‧‧‧First support

1211‧‧‧First recess

1212‧‧‧First Abutment

122‧‧‧second support

1221‧‧‧ Second recess

1222‧‧‧second abutment

1223‧‧‧ Third Abutment

121a‧‧‧ Third recess

122a‧‧‧ Third recess

123‧‧‧Extensions

1230‧‧‧Contact surface

1231‧‧‧First Extension

1232‧‧‧Second extension

1233‧‧‧ Third Extension

1234‧‧‧4th extension

1233a, b‧‧‧ first convex

1234a‧‧‧second convex

1235‧‧‧ lap joint

S‧‧‧ accommodating space

H, h1, h2‧‧‧ height

2a‧‧‧First Fixed Department

2b‧‧‧Second fixed department

21‧‧‧ Groove structure

31‧‧‧First terminal

311‧‧‧First vertical section

312‧‧‧First pin

32‧‧‧second terminal

321‧‧‧Second vertical

41a‧‧‧First insulation board

41b‧‧‧First insulating rubber

42a‧‧‧Second insulation plate

42b‧‧‧Second insulation adhesive

411‧‧‧3rd convex

421‧‧‧3rd convex

5‧‧‧Shell

51‧‧‧ docking space

The first figure is a perspective view of the tongue structure of the present invention for an electrical connector.

The second figure is a developed plan view of the tongue structure for the electrical connector of the first figure.

The third figure is an exploded schematic view of the electrical connector of the present invention.

The specific embodiments are described below to illustrate the embodiments of the present invention, and those skilled in the art can readily understand other advantages and effects of the present invention from the disclosure of the present disclosure.

It should be understood that the structures, the proportions, the sizes, and the like, which are illustrated in the specification of the present specification, are only used to clarify the contents disclosed in the specification for understanding and reading by those skilled in the art, and are not intended to limit the implementation of the present invention. The conditions are limited, so it is not technically meaningful. Any modification of the structure, change of the proportional relationship or adjustment of the size should remain in the present invention without affecting the effects and the achievable purposes of the present invention. The disclosed technical content is within the scope of the disclosure. In the meantime, the terms "upper", "lower", "left", "right", "intermediate" and "one" as used in this specification are also for convenience of description, and are not intended to limit the present. The scope of the invention can be implemented, and the change or adjustment of the relative relationship is considered to be within the scope of the invention.

Referring to the first figure, the first figure is a perspective view of a tongue structure for an electrical connector in accordance with an embodiment of the present invention. According to this embodiment, the tongue structure for the electrical connector may include a shielding plate 1 which may include: a body 11 and two bending structures 12, the body 11 may include a first surface 111, relative to the a second surface of the first surface 111 (not shown in the drawing), a front end portion 113, a rear end portion 114 opposite to the front end portion, and a first side opposite to the front end portion 113 and the rear end portion 114 The second side edge (not shown in the figure); the two bending structures 12 are respectively disposed on the first side and the second side of the body 11.

In the embodiment, the bending structure 12 can include different parts according to requirements. Please refer to the first drawing and the second drawing together. The second drawing is a schematic plan view of the tongue structure for the electrical connector as shown in the first figure. . The bending structure 12 includes a first support member 121, a second support member 122 relative to the first support member 121, and an extension member 123, wherein the first support member 121 includes a front end, a rear end opposite to the front end, and the first support member 121 may be respectively disposed on the opposite first side and second side of the body 11 and the first side opposite to the body 11 respectively is substantially parallel to the second side. The second support member 122 includes a front end and a rear end opposite to the front end. The second support member 122 can be respectively disposed on the first side and the second side of the body 11 opposite to the first side and the first side opposite to the body 11 respectively. The two sides are substantially parallel, and the extension member 123 can be disposed between the first support member 121 and the second support member 122 and connect the first support member 121 and the second support member 122.

In the present embodiment, the extension member 123 is provided with a contact surface 1230 that is substantially perpendicular to the first surface 111 and the second surface. The contact surface 1230 is adjacent to the front end portion 113 of the body 11 . The first support member 121 may further include a first recess 1211 (not shown in the first figure) and the second support member 122 further includes a second recess 1221 with respect to the first recess 1211, wherein the first recess 1211 may be disposed at A support member 121 is adjacent to the first side or the second side of the body 11 and the second recess 1221 is disposed at a position of the second support member 122 near the first side or the second side of the body 11.

According to the present invention, the first support member 121 may further include a first abutting portion 1212 and the second support member 122 may further include a second abutting portion 1222. Referring to the first and second figures, each of the first abutting portions 1212 can be respectively disposed between the first support member 121 and the first side of the body 11 and the first support member 121 and the body 11 Between the two side edges, the first abutting portion 1212 is connected to the body 11 and the first support member 121 as a lead angle or a rounded corner. Each of the second abutting portions 1222 can be respectively disposed between the second supporting member 122 and the first side of the body 11 and between the second supporting member 122 and the second side of the body, and the second abutting portion 1222 The connection with the second support member 122 may be a lead angle or a rounded corner. In the present embodiment, the height h1 of the first abutting portion 1212 and the height h2 of the second abutting portion 1222 are substantially the same, so it can be understood that the body 11 can be located at a half of the height H of the bent structure 12.

In the present embodiment, the extension member 123 includes a first extension portion 1231 , wherein a front end of the first support member 121 is connectable with the first extension portion 1231 , and a front end of the second support member 122 is disposed relative to the first support member 121 and It is connected to the first extension 1231. The extension member 123 can further include a second extension portion 1232, the second extension portion 1232 can be coupled to the first extension portion 1231, and the second extension portion 1232 can be substantially perpendicular to the first support member 121 or the second support portion Item 122. According to still another embodiment of the present invention, the extension member 123 further includes a third extension portion 1233 and a fourth extension portion 1234, wherein the third extension portion 1233 is connectable with the second extension portion 1232. The four extensions 1234 can be coupled to the third extensions 1233.

According to the invention, the second extension 1232 or the third extension 1233 is provided with a contact surface 1230. Preferably, the contact surface 1230 can include a second extending portion 1232 or a third extending portion 1233 facing outward surface, and the contact surface 1230 of the second extending portion 1232 has a circular arc shape, and the contact surface 1230 of the third extending portion 1233 It is flat. In addition, the fourth extending portion 1234 may be provided with a lap surface 1235 which is planar and substantially perpendicular to the first surface 111 and the second surface, and the length of the overlapping surface 1235 extends perpendicular to the body 11 Front end portion 113.

It is worth mentioning that, because the second extending portion 1232 and the third extending portion 1233 form a contact surface 1230, and the contact surface 1230 is substantially perpendicular to the first surface 111 and the second surface, and the contact surface 1230, the first surface 111 and the second surface are rolled surfaces of the same metal plate before being bent (refer to the second figure), and the contact surface 1230 is close to the front end portion 113 of the body 11, so that the tongue structure of the electrical connector is inserted and removed. When docking, the contact surface 1230 of the extension member 123 is in contact with the mating connector to achieve the effect of protecting the tongue structure, thereby effectively reducing the wear or deformation of the tongue structure by the prior art. It can be understood that The contact surface 1230 on the second extending portion 1232 has a circular arc shape, and the contact surface 1230 on the third extending portion 1233 has a planar shape. Therefore, the second extending portion 1232 and the third extending portion 1233 can be formed from the side. An approximate J-shaped structure, so as to facilitate the insertion and extraction of the tongue structure. Similarly, the fourth extending portion 1234 is provided with a lap surface 1235 which is planar and substantially perpendicular to the first surface 111 and the second surface, and the length of the overlapping surface 1234 extends perpendicularly to the body 11 The front end portion 113, which also has the effect of protecting the tongue structure.

In this embodiment, the body 11 of the shielding plate 1 and the bending structure 12 are a one-piece structure, and the body 11 and the bending structure 12 (including the first supporting member 121 and the second supporting member are preferably according to an embodiment of the invention). 122 and the extension member 123) may be a one-piece metal plate manufactured by cutting a metal piece into a desired shape by metal punching or the like. Specifically, a metal piece as shown in FIG. 2 can be obtained by metal punching, and the metal piece is bent into a shielding plate structure as shown in FIG. 2 by a technique such as bending.

According to this embodiment, the metal sheet may include, for example, a body 11 having a first side and a second side respectively including a bent structure, and the bent structure 12 may include a first support member 121 connected to a side of the body 11 ( The first abutting portion 1212), the second supporting member 122 (including the second abutting portion 1222), and the extending member 123 (including the first extending portion 1231, the second extending portion 1232, the third extending portion 1233, and the fourth extension) Part 1234). For example, the metal piece may be bent downward from the body 11 by pressing, wherein the first support member 121 is substantially parallel to the side of the body 11 and the first abutting portion 1212 is located at the body 11. Between the side and the first support member 121; the extension member 123 and the second support member 122 are bent toward the first surface 111 of the body 11, so that the second support member 122 is located above the first support member 121, The first extension portion 1231 is located at the front end of the first support member 121 and the second support member 122, and is substantially perpendicular to the first support member 121 and the second support member 122; the second extension portion 1232, the third extension portion 1233, and The fourth extending portion 1234 can be bent along the edges of the first support member 121 and the second support member 122 between the first support member 121 and the second support member 122 and substantially perpendicular to the first support member 121 and The second supporting member 122, wherein the first extending portion 1231, the second extending portion 1232, and the third extending portion 1233 can form an L-shaped structure; and then bending the second abutting portion 1222 from the second supporting member 122 toward the body 11. The second abutting portion 1222 is located at the side of the body 11 and the second support member 12 Between 2, a shadow plate structure as in the first figure is formed. According to some embodiments of the present invention, the third extending portion 1233 may further include first convex portions 1233a, 1233b formed on both sides, the fourth extending portion 1234 may further include a second convex portion 1234a, and the first The support member 121 and the second support member 122 are further formed with third recesses 121a and 122a corresponding to and accommodating the first protrusions 1233a and 1233b, and correspondingly accommodating spaces for accommodating the second protrusions 1234a. . It should be noted that the first and second figures of the present invention are merely illustrative of one embodiment of the shielding plate in the tongue structure of the present invention, and those skilled in the art understand that the shape of the metal piece can be adjusted according to requirements. Without being limited to this.

In the embodiment, the second supporting member 122 further includes a third abutting portion 1223. The third abutting portion 1223 can be disposed at the rear end of the second supporting member 122 and can be bent toward the first supporting member 121. The first extension portion 1231 and the third abutment portion 1223 are disposed opposite to each other. Preferably, each of the aforementioned bends may be a lead angle or a rounded corner.

Another aspect of the present invention provides an electrical connector having a modified tongue structure. Referring to FIG. 3, it is an exploded perspective view of an electrical connector including an insulating base, a tongue structure, and a first embodiment. The insulating member, the second insulating member, the plurality of first terminals 31, the plurality of second terminals 32, and the outer casing 5.

According to an embodiment of the present invention, the insulating base may include a plurality of groove structures 21, and the insulating base is disposed at the rear end portion 114 of the shielding plate 1 near the body 11. The first insulating member may be disposed on the first surface 111 of the body 11; the second insulating member may be disposed on the second surface of the body 11; the plurality of first terminals 31 may be disposed on the first insulating member; The two terminals 32 are disposed on the second insulating member; and the outer casing 5 can surround the tongue structure to form a mating space 51 having an opening.

According to an embodiment of the invention (please refer to the first and second figures), the tongue structure may comprise a shielding panel 1 comprising a body 11 and a bent structure 12. The shielding plate 1 may include a first surface 111, a second surface (not shown), a front end portion 113, a rear end portion 114 opposite to the front end portion 113, and the front end portion 113 and the rear end portion 114. And a first side edge and a second side edge; and at least one bent structure 12 disposed on at least one of the two side edges of the body 11, for example, the first side or the second side; wherein the at least The first support member 121 includes a front end and a rear end opposite to the front end. The first support member 121 is disposed on the first side or the second side of the body 11 and respectively 11 The first side or the second side of the first support member 121 is substantially parallel; and the second support member 122 relative to the first support member 121 includes a front end and a rear end opposite to the front end, the second support member 122 is disposed on The first side or the second side of the body 11 opposite to the first side or the second side opposite to the body 11 are substantially parallel; and the extension member 123 is disposed on the first support member 121 and the Between the second support members 122.

According to the present invention, the first support member 121 may further include a first recess portion 1211 and the second support member 122 may further include a second recess portion 1221 with respect to the first recess portion 1211, wherein the first recess portion 1211 is disposed at the first recess portion 1211. A support member 121 is near the middle of the first side of the body 11 or near the middle of the second side of the body 11 and the second recess 1221 is disposed at or near the middle of the first side of the second support member 122 near the body 11. The middle of the second side of the body 11.

Referring to the first and third figures, each of the first support members 121 may include a first recess 1211 and each of the second support members 122 may further include a second recess 1221 relative to the first recess 1211. Each of the first recesses 1211 may be respectively disposed at a middle of the first support member 121 near the first side of the body 11 and the first support member 121 near the second side of the body 11 and each of the second recesses 1221 may be The second support member 122 is disposed near the middle of the first side of the body 11 and the second support member 122 is adjacent to the middle of the second side of the body 11.

According to an embodiment of the present invention, the first insulating member side may further include a third convex portion and the second insulating member side edge may further include a third convex portion. As shown in FIG. 3, the two sides of the first insulating member respectively include The third convex portion 411 and the two sides of the second insulating member respectively include a third convex portion 421, wherein the third convex portion 411 can respectively correspond to each of the first concave portions 1211, and the third sides of the second insulating member The convex portions 421 may correspond to the respective second concave portions 1221, respectively.

According to the invention, the first insulating member may include a first insulating plate 41a and a first insulating paste 41b, and the second insulating member may include a second insulating plate 42a and a second insulating paste 42b.

According to the embodiment of the present invention, the front ends of the plurality of first terminals 31 may face the front end portion 113 of the body 11 and may be disposed on the first insulator plate 41a by the first insulating glue 41b, and the first insulation The plate member 41a may be formed between the first surface 111 and the first insulating adhesive 41b, and the first insulating adhesive 41b may be formed between the first insulating plate 41a and the plurality of first terminals 31, and the plurality of A rear end of a terminal 31 may extend toward the rear end portion 114 of the body 11 to the plurality of groove structures 21; and a front end of the plurality of second terminals 32 may face the front end portion 113 of the body 11 and may be The second insulating rubber member 4142b is disposed on the second insulating sheet member 42a, and the second insulating sheet member 42a is formed between the second surface and the second insulating paste 42b, and the second insulating rubber 42b is formed in the second The insulating plate 42a is interposed between the plurality of second terminals 32.

According to an embodiment of the invention, the plurality of first terminals 31 may further include a plurality of first vertical portions 311 and a plurality of first pins 312, wherein the plurality of first vertical portions 311 are substantially compatible with the plurality of The first terminal 31 is perpendicular to each other; one end of each of the first vertical portions 311 is respectively connected to a rear end of each of the corresponding first terminals 31, and the other end of each of the first vertical portions 311 is connected to a corresponding one of the first ends A pin 312.

According to an embodiment of the present invention, the plurality of second terminals 32 may further include a plurality of second vertical portions 321 , wherein the plurality of second vertical portions 321 are substantially perpendicular to the plurality of second terminals 32 , and wherein One ends of the second vertical portions 321 are respectively connected to the rear ends of the corresponding second terminals 32.

According to the invention, the insulating base may further include a first fixing portion 2a and a second fixing portion 2b. The first fixing portion 2a can be engaged with the second fixing portion 2, and the first fixing portion 2a can be used for fixing, for example, the first terminal 31, the second terminal 32 and the shielding plate 1, and the second fixing portion 2b can be used for For example, the first terminal 31 and the shielding plate 1 are fixed, but are not limited thereto.

It is to be noted that, in this embodiment, the first fixing portion 2a and the second fixing portion 2b of the insulating base portion may be used for fixing the first terminal 31 and the second terminal 32 and the shielding plate 1, and the first terminal 31 and the first terminal The two terminals 32 can be fixed to the shielding plate 1 by using the first insulating plate 41a and the first insulating rubber 41b and the second insulating plate 42a and the second insulating rubber 42b, respectively. However, the first terminal 31 and the second terminal 32 are not limited thereto. Alternatively, it may be fixed to the first insulating plate 41a and the second insulating plate 42a by insert injection molding. The first insulating plate 41a and the second insulating plate 42a are assembled and fixed with the shielding plate 1 and the insulating base, and another option is selected. Therefore, the first insulating plate 41a and the second insulating plate 42a can be integrated into an insulator (not shown in the figure), and the insulator is assembled and fixed with the shielding plate 1 and the insulating base. Alternatively, the insulator and the insulating body can be insulated. The base is integrated into one.

Since the shielding plate in the tongue structure of the electrical connector provided by the present invention includes a body and a bending structure, the bending structure is disposed on the first side of the body or respectively disposed on the first side of the body and the first side And a portion of the extension of the bent structure is formed by bending and then forming a contact surface on a side of the body near the front end portion and having a certain height and thickness, so that the electrical connector can be inserted and removed When docking, the contact surface of the extension member is frictionally contacted with the mating connector to achieve the effect of protecting the structure on both sides of the shielding plate in the tongue, and effectively reducing the wear or deformation of the tongue structure, it is understandable that When the shielding plate of the electrical connector provided by the present invention is a conductive material, the shielding plate can have a grounding effect, and the tongue structure of the present invention can make the structural stability of the electrical connector to be better when docked, and is not high. Frequency signal transmission causes adverse effects. In addition, since the bending structure in the tongue structure of the present invention includes a first support member and a second support member, the extension member is respectively formed on the first side and the second side of the body after being bent and formed, and As the support and protection of the shielding plate, the strength of the shielding plate is further increased, and the purpose of completely protecting the two sides of the tongue structure can be achieved.

In summary, the tongue structure of the electrical connector of the present invention is provided with a shielding plate, and the shielding plate is provided with a contact surface on both sides of the front end of the tongue structure, and the contact surface can reinforce the tongue structure to achieve protection. Such a structural design can solve the problem that the shielding plate of the existing connector is easily worn or deformed, thereby affecting the transmission effect of the high-frequency signal, and can meet the requirements of the customer's signal transmission quality.

The above detailed description is intended to be illustrative of a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and other equivalents and modifications may be made without departing from the spirit of the invention. Changes are intended to be included in the scope of the patents covered by the present invention.

Claims (17)

 A tongue structure of an electrical connector, comprising: a shielding plate, the shielding plate comprising: a body, the body comprising a first surface, a second surface opposite to the first surface, a front end portion, relative to the a rear end portion of the front end portion and a first side edge and a second side edge between the front end portion and the rear end portion; and a bending structure disposed on the body, the bending structure comprising An extension member is provided with a contact surface substantially perpendicular to the first surface and the second surface, the contact surface being adjacent to the front end portion of the body.    The tongue structure of the electrical connector of claim 1, wherein the bending structure further comprises a first support member and a second support member disposed relative to the first support member, the first support member being disposed The first side or the second side of the body is substantially parallel to the first side or the second side, and the second support is disposed on the first side of the body or the first side The two sides are substantially parallel to the first side or the second side, and the extension is disposed between the first support and the second support and connects the first support and the second support Pieces.    The tongue structure of the electrical connector of claim 2, wherein the first support further comprises a first recess and the second support further comprises a second recess relative to the first recess, the a recess is disposed at or near the middle of the first side of the first side and the second recess is disposed at or near the middle of the second side of the first side In the middle of the two sides.    The tongue structure of the electrical connector of claim 2, wherein the first support member further includes a first abutting portion and the second support member further includes a second abutting portion, the first abutting portion a portion is disposed between the first support member and the first side edge or between the first support member and the second side edge, and the second abutting portion is disposed on the second support member and the first side Between the sides or between the second support and the second side.    The tongue structure of the electrical connector of claim 2, wherein the extension member comprises a first extension, the front end of the first support member is connected to the first extension portion, and the front end of the second support member is opposite The front end of the first support member is connected to the first extension portion.    The tongue structure of the electrical connector of claim 5, wherein the extension further includes a second extension, the second extension being coupled to the first extension, and the second extension being The first support or the second support is substantially vertical.    The tongue structure of the electrical connector of claim 6, wherein the second extension is provided with the contact surface, and the contact surface has a circular arc shape.    The tongue structure of the electrical connector of claim 6, wherein the extension further includes a third extension, the third extension being coupled to the second extension, the third extension being provided with the contact And the contact surface is planar.    The tongue structure of the electrical connector of claim 8 wherein the extension further comprises a fourth extension, the fourth extension being coupled to the third extension, the fourth extension being provided with a lap The fascia is planar and substantially perpendicular to the first surface and the second surface, and the length of the lap surface extends perpendicular to the front end of the body.    The tongue structure of the electrical connector of claim 8 wherein the second extension portion and the third extension portion are disposed between the first support member and the second support member and located adjacent to the first support member And the front end of the second support.    The tongue structure of the electrical connector of claim 9, wherein the third extension further comprises a first protrusion formed on both sides, the fourth extension further comprising a second protrusion, the fourth extension further comprising a second protrusion The first support member and the second support member are further formed with a third recess corresponding to and accommodating the first protrusion, and an accommodating space correspondingly for receiving the second protrusion.    The tongue structure of the electrical connector according to any one of the preceding claims, further comprising: another bending structure disposed on the body, wherein the bending structure is disposed on the first side The other bending structure is disposed on the second side.    An electrical connector includes: a shielding plate, the shielding plate comprising: a body, the body comprising a first surface, a second surface opposite to the first surface, a front end portion and one of the front end portions a rear end portion and a first side edge and a second side edge opposite to the front end portion and the rear end portion; and a bending structure disposed on the body, the bending structure comprising an extension piece The extension member is provided with a contact surface substantially perpendicular to the first surface and the second surface, the contact surface is adjacent to the front end portion of the body; an insulating base portion disposed on the shielding plate a rear end portion of the body; a first insulating member disposed on the first surface of the body; a second insulating member disposed on the second surface of the body; a plurality of first terminals disposed at The first insulating member; a plurality of second terminals disposed on the second insulating member; and a casing surrounding the shielding plate to form a mating space, the docking space having an opening.    The electrical connector of claim 13 wherein the bending structure further comprises a first support member and a second support member disposed relative to the first support member, the first support member being disposed on the body The first side or the second side is substantially parallel to the first side or the second side, and the second support is disposed on the first side or the second side of the body and The extension member is disposed substantially parallel to the first side edge or the second side edge, and the extension member is disposed between the first support member and the second support member and connects the first support member and the second support member.    The electrical connector of claim 14, wherein the first support further comprises a first recess, the second support further comprising a second recess relative to the first recess, the first insulating member and The second insulating member further includes a third convex portion, the third convex portion of the first insulating member corresponding to the first concave portion, and the third convex portion of the second insulating member corresponds to the second concave portion .    The electrical connector of claim 14, wherein the extension member comprises a first extension portion and a second extension portion connecting the first extension portion, the front end of the first support member is connected to the first extension portion a front end of the second support member is coupled to the front end of the first support member and connected to the first extension portion, the second extension portion being located between the first support member and the second support member and substantially perpendicular to The first support member and the second support member are provided with the contact surface, and the contact surface has a circular arc shape.    The electrical connector of any one of claim 13 to claim 16, further comprising: another bending structure disposed on the body, wherein the bending structure is disposed on the first side, the other The bent structure is disposed on the second side.