TWM450099U - Electrical connector - Google Patents

Abstract

An electrical connector includes an insulative housing, a plurality of terminals received in the insulative housing, a shielding shell enclosing the insulative housing and a detecting contact. The insulative housing includes a tongue extending forwardly and enclosed by the shell to form a mating space. The detecting contact includes a first detecting contact assembled one side of the tongue. The first detecting contact includes a first extending arm extending into the mating space horizontally and a first resisting portion extending forwardly and bent from the first extending arm. The tongue has a first guiding slot depressing inside thereof. The first resisting arm extends into the guiding slot and improves a deformation of the first detecting contact to offer a stronger force for abutting against the shell.

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a detection terminal.

An electrical connector disclosed in the Chinese Patent No. CN 102082730 A, which is incorporated by reference to the entire disclosure of the present disclosure, which is incorporated herein by reference. , a detecting terminal and a shielding shell. The insulative housing includes a main body portion and a tongue plate extending forwardly from the main body portion, and a fixing groove for fixing the detecting terminal is disposed on a right side of the main body portion, and the detecting terminal is fixed in the fixing slot. a retaining portion, a welded portion extending downward from one end of the retaining portion, a resilient arm extending horizontally forward from the other end of the retaining portion, and an arc detecting portion located at an end of the elastic arm, the elastic arm being located below the tongue plate Between the tongue plate and the shielding shell, when the mating plug is inserted, the detecting portion is pressed against the shielding shell to achieve detection. However, the shape of the detecting portion of the connector is small, which may cause insufficient pressure to press the end of the detecting portion to the shielding case, thereby affecting the detection effect.

Therefore, it is necessary to provide an electrical connector having an improved structure to overcome the aforementioned drawbacks.

In view of the foregoing, the purpose of this creation is to provide an electrical connector that can extend the life of the detection terminal.

The purpose of the present invention is achieved by the following technical solution: an electrical connector comprising: an insulative housing comprising a tongue portion extending horizontally forwardly, the tongue portion comprising a top surface, a bottom surface opposite the top surface, and Connecting the left and right sides of the top surface and the bottom surface; the conductive terminals are received in the insulating body; the shielding shell covers the insulating body and forms a pair of spaces around the tongue portion; and the detecting terminal The first detecting terminal includes a first detecting terminal disposed on one side of the tongue portion, and the first detecting terminal is provided with a horizontal first extending arm extending into the docking space and a first extension extending forward from the first extending arm a tongue portion; wherein the tongue portion is provided with a first retaining groove recessed inwardly, and the first abutting portion extends inward into the first retaining groove.

The purpose of the present invention can also be achieved by the following technical solution: an electrical connector comprising: an insulative housing comprising a main body portion and a tongue portion extending horizontally forward from the main body portion, the tongue portion including a top surface, a bottom surface opposite to the top surface and two side surfaces connecting the top surface and the bottom surface; the conductive terminal is received in the insulating body; the shielding shell covers the insulating body and forms a pair of spaces around the tongue portion. The shielding housing includes opposite end walls; and the detecting terminal includes a first detecting terminal disposed between one side of the tongue portion and a corresponding end wall of the shielding shell, the first detecting terminal a first abutting portion fixed to one end of the main body of the insulative housing and extending into the mating space to form a horizontal first extending arm and extending forwardly from the first extending arm; wherein the tongue portion is provided on the side There is a first retaining groove recessed inwardly, and the first abutting portion extends inward into the first retaining groove.

Compared with the prior art, the present invention has the following effects: the tongue portion of the original electrical connector is provided with first and second retaining grooves recessed inward, and the first and second detecting terminals are first. The second abutting portion extends into the first and second retaining slots to increase the deformation amount of the first and second detecting terminals, thereby ensuring good contact between the detecting terminal and the shielding shell, and achieving detection effect.

Referring to the first to third figures, the present electrical connector 100 is a USB 3.0 connector having the same docking frame as the standard USB, but it can be used not only to plug in a standard USB plug, but also to insert It can transmit a USB PD (Power Delivery) plug with a current of 2A or more, and can detect when the two plugs are inserted separately to achieve different transmission functions. The electrical connector 100 includes: an insulative housing 1 , a plurality of conductive terminals 3 received in the insulative housing 1 , a pair of detecting terminals 4 , a positioning seat 5 mounted on the rear end of the insulative housing 1 for fixing the conductive terminals 3 , and a package A metal shielding case 6 covering the outside of the insulative housing 1.

As shown in the third to sixth embodiments, the insulative housing 1 includes a first body 10 and a second body 20 that is mounted on the first body 10 from the front to the rear. The insulative housing 1 and the shielding housing 6 are collectively defined for receiving. a docking space 101 of a docking component (not shown), the first body 10 includes a body portion 11 and a support plate 12 extending forward from a bottom end of the body portion 11, the body portion 11 including a front end wall 110 and a front end wall 110 is opposite to the rear end wall 111 and the left and right side walls 112, 113 connecting the front and rear end walls 110, 111. The main body portion 11 is provided with a first passage groove 13 extending rearward from the front end wall 110 through the rear end wall 111 and a second passage groove 14 extending downward from the left and right sides of the first passage groove 13 and extending forward and backward. The left and right side walls 112, 113 of the main body portion 11 are provided with first and second holding blocks 114, 115 protruding outwardly, and the first and second holding blocks 114, 115 are provided with an upward extending outer side. First and second protrusions 1141, 1151, first and second clamping grooves 116, 117 are formed between the first and second protrusions 1141, 1151 and the left and right side walls 112, 113. The first and second holding blocks 114, 115 are provided with first and second holding grooves 1142, 1152 extending through the middle portion, and the rear end wall 111 is recessed forward to form an accommodating space 102, the second channel The inner side of the rear end of the slot 14 is provided with a latching projection 1162 extending inwardly. The first slot 13 is provided with a plurality of first terminal receiving holes 131 extending through the main body 11 . The first terminal receiving hole 131 is located. Between the two second channel slots 14, the rear end wall 111 of the main body portion 11 is provided with a plurality of second terminal receiving holes 132 which are located above the first channel groove 13 and penetrate the main body portion 11 forward and backward.

The second body 20 includes a base portion 21 received in the first passage groove 13 , a tongue portion 22 extending horizontally from the base portion 21 and extending from the rear end of the base portion 21 , and then extending backward from the rear end of the base portion 21 . The latching arm 23 extends horizontally beyond the pair of latching arms 23 of the base portion 21, and the latching arm 23 is received in the second channel slot 14. The rear end of the latching arm 23 is outwardly protruded from the second channel slot 14. The latching portion 172 of the latching portion 1162 includes a top surface 221, a bottom surface 222 opposite to the top surface 221, and left and right side surfaces 223 and 224 connecting the top surface 221 and the bottom surface 222. The bottom surface 222 is provided with a plurality of terminal receiving slots 2221 extending upwardly and extending rearwardly through the base portion 21. The front end of the bottom surface 222 of the tongue portion 22 is provided with a plurality of receiving slots 2222 recessed upwardly, and the receiving slot 2222 is located In the front of the terminal receiving groove 2221, the terminal receiving groove 2221 and the first terminal receiving hole 131 of the first body 10 pass through each other. The left and right side surfaces 223 and 224 of the tongue portion 22 are respectively provided with first and second retaining grooves 2231 and 2241 which are recessed inwardly. The first retaining groove 2231 is closer to the tongue than the second retaining groove 2241. The front end of the plate portion 22.

The conductive terminal 3 includes a first terminal group 31 and a second terminal group 32. The first terminal group 31 is a USB 2.0 A-type socket connector terminal for connecting a USB 2.0 type docking plug; the first and second terminal groups 21, 22 together form a USB 3.0 A-type socket connector terminal for connecting a USB 3.0 A type mating plug. The first terminal group 31 is disposed as a first terminal portion 310. The first terminal portion 310 includes a first holding portion 313 that is retained in the first terminal receiving hole 131 and extends forward from the first holding portion 313 into the tongue. The first connecting portion 312 in the terminal receiving groove 2221 of the plate portion 22 is bent forward from the first connecting portion 312 to extend the elastic first contact portion 311 of the bottom surface 222 of the tongue portion 22 from the rear end of the first holding portion 313 The first holding portion 313 extends downwardly and vertically, and the first holding portion 313 is provided with a plurality of barbs 3131 protruding outwardly from the first terminal receiving holes 131.

The second terminal group 32 is configured as a second second terminal 320. The second terminal 320 includes a second holding portion 323 received in the second terminal receiving hole 132 and extends forward from the second holding portion 323. a second connecting portion (not shown) embedded in the tongue portion 22 extends forwardly from the second connecting portion into the second contact portion 321 in the receiving portion 2222 of the tongue portion 22, and after the second holding portion 323 a second soldering portion 324 extending vertically downward, the second contact portion 321 is a flat plate structure, and the second contact portion 321 is disposed in an arc-shaped elastic structure and is offset from the second contact portion 321 in the front-rear direction. It is provided that the first and second contact portions 311 and 321 are staggered in the insertion direction of the mating plug and are located at different heights in the thickness direction of the tongue portion 22, and the first soldering portions 314 are arranged in a row, the second The welded portions 324 are arranged in another row behind the first welded portion 314.

The detecting terminal 4 includes a first detecting terminal 41 mounted on the left side wall 112 of the first body 10 and a second detecting terminal 42 mounted on the right side wall 113 of the first body 10. The first detecting terminal 41 is used. To detect whether a USB plug is inserted, the second detecting terminal 42 is configured to detect whether a USB PD plug for transmitting a current of 2 A or more is inserted. The first detecting terminal 41 includes a first vertical portion 411 held in the first holding groove 1142 of the first holding block 114, extending from the top end of the first vertical portion 411 in the front-rear direction and accommodating the first clamping portion. The first positioning arm 412 in the slot 116 extends from the first positioning arm 412 to the first extension arm 413 of the left side surface 223 of the tongue portion 22, and extends from the front end of the first extension arm 413 to the first position. a first abutting portion 414 in the slot 2231, a first abutting portion 415 extending horizontally from the first abutting portion 414, and a first extending vertically downward from the first vertical portion 411. The first abutting portion 414 has a "V" shape, and the first detecting terminal 41 partially extends downward beyond the bottom surface 222 of the tongue portion 22.

The second detecting terminal 42 includes a second vertical portion 421 that is retained in the second holding slot 1152 of the second holding block 115, extends from the top end of the second vertical portion 421 in the front-rear direction, and is received in the second clip. a second positioning arm 422 in the holding slot 117, a second extending arm 423 extending horizontally from the second positioning arm 422 to the right side surface 224 of the tongue portion 22, and a bending extension extending from the front end of the second extending arm 423 The portion 424, the second abutting portion 425 extending from the bent portion 424 into the second retaining portion 2241, the second abutting portion 426 extending rearward from the second abutting portion 425, and the second vertical portion The 421 extends vertically downward from the second soldering leg 427 of the first body 10. The second abutting portion 425 has a "V" shape, and the first and second vertical portions 411, 421 are in the up and down direction. The dimensions are equal to the heights of the first and second clamping grooves 116, 117, respectively, and the first abutting portion 414 is closer to the front end surface of the tongue plate portion 22 with respect to the second abutting portion 425, and the first abutting portion 415 is The lower edge is located below the lower surface 222 of the tongue portion 22, and the second abutting portion 426 is located between the upper and lower surfaces 221, 222 of the tongue portion 22 in the up and down direction.

The positioning seat 5 has a substantially rectangular shape and includes a plurality of receiving passages 51 extending through the upper and lower ends for the first and second welding legs 416, 417 to pass through. The positioning base 5 is mounted in the accommodating space 102 of the first body 10 from bottom to top.

The shielding case 6 is integrally formed by a metal piece. The shielding case 6 includes an upper end wall 61, an end wall 62 corresponding to the upper end wall 61, a left end wall 63, a right end wall 64, and a rear end from the upper end wall 61. After the lower bending extends the cover 65, the left and right end walls 63, 64 are provided with a stopping portion 66 extending perpendicularly to the outside and an extending wall 67 extending vertically rearward from the blocking portion 66, the left end wall of the shielding housing 6 The portion 63 is outwardly convex and defines a first letting space 631. The shielding shell 6 is provided with a plate portion 632 located outside the left end wall 63, the inclined portion 633 connecting the plate portion 632 and the left end wall 63, and the self-board a first elastic piece 634 extending forwardly from the shape 632, the first elastic piece 634 is suspended from the outer side of the first letting space 631, and the right end wall 64 is partially convex outwardly to define a second letting space 641. The right end wall 64 is provided with a second elastic piece 642 which is disposed obliquely to the outside of the second letting space 641. The first and second retaining spaces 631 and 641 are configured to receive the first and second abutting portions 414 and 425 of the first and second detecting terminals 41 and 42. The first and second elastic pieces 634, The 642 system is formed by punching the first and second yielding spaces 631 and 641 to provide a deformation space for the first and second detecting terminals 41 and 42. In the present embodiment, the first yield space 631 and the second yield space 641 are open structures. In other embodiments, the convex hull formed by the inner sidewalls of the left and right end walls 63 and 64 can be used. 1. The second detecting terminals 41, 42 provide a deformation space. The left and right end walls 63, 64 are symmetrically disposed adjacent to the rear cover 65 with a pair of mounting legs 68 extending downwardly beyond the lower end wall 62, respectively.

The insulative housing 1 is mounted in the shielding housing 6 from the rear to the front. The first and second clamping blocks 114 and 115 abut against the blocking portion 66 of the shielding housing 6. The first detecting terminal The first detecting terminal 42 is deflected outward from the second retaining space 641 and is located outside the second elastic piece 642 .

The seventh to ninth figures show the operational states of the first and second detecting terminals 41, 42 when different docking elements are inserted. As shown in the seventh figure, in the initial state, the first and second abutting portions 415, 426 are not in contact with the shielding case 6; as shown in the eighth figure, when a common plug having a short abutting portion is inserted Because the shorter abutting portion does not reach the rear end of the docking space 101, only the second abutting portion 425 located in the second retaining groove 2241 is pushed outwardly, forcing the second abutting portion 426 to move outward. And making electrical contact with the second elastic piece 642 of the shielding shell 6, and the first detecting terminal 41 maintains the initial state; as shown in the ninth figure, when the power plug having the power function is inserted with a long butting portion, The abutting portion of the power plug presses the first and second abutting portions 414 and 425 located in the first and second retaining grooves 2231 and 2241 to the outside, forcing the first and second abutting portions 415 and 426 to move outward. And electrically contacting the first and second elastic pieces 634, 642 respectively; when the Thin Card (not shown) is inserted, although the size of the docking portion of the Thin Card is long, the rear end of the docking space 101 can be reached, but the Thin Card is The sheet-like structure occupies only a part of the docking space 101 located below the tongue portion 22 of the insulative housing 1 The first abutting portion 414 of the first detecting terminal 41 does not protrude from the bottom surface 222 of the tongue portion 22, that is, not in the portion of the docking space. Therefore, the Thin Card only presses the second detecting terminal 42. The abutting portion 425 forces the second abutting portion 426 to move outward and make electrical contact with the second elastic piece 642.

As can be seen from the above, the left and right sides of the tongue portion of the present invention are provided with first and second retaining slots 2231, 2241 recessed inwardly, and the first and second detecting terminals 41 The first and second abutting portions 414 and 425 are bent and extended into the first and second retaining slots 2231 and 2241 to increase the first and second detecting terminals 41 and 42 “V”. The degree of deformation of the abutting portions 414, 425 after the plug is inserted, thereby enhancing the first and second abutting portions 415, 426 at the ends of the first and second abutting portions 414, 425 against the shielding housing 6 The pressure of the first and second elastic pieces 634, 642 ensures the detection effect.

In summary, this creation is in line with the new patent requirements, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the foregoing embodiments, and any equivalent modifications or changes made by those skilled in the art to the spirit of the present invention are It should be covered by the following patent application.

100‧‧‧Electrical connector

101‧‧‧ docking space

102‧‧‧ accommodating space

1‧‧‧Insulating body

10‧‧‧First Ontology

11‧‧‧ Main body

110‧‧‧ front wall

111‧‧‧ rear end wall

112‧‧‧Left wall

113‧‧‧ right wall

114‧‧‧First card holding block

1141‧‧‧First protrusion

1142‧‧‧First holding groove

115‧‧‧Second card holding block

1151‧‧‧Second projection

1152‧‧‧Second holding groove

116‧‧‧First clamping slot

1162‧‧‧ card holding bumps

117‧‧‧Second clamping slot

12‧‧‧Support board

13‧‧‧First channel slot

131‧‧‧First terminal receiving hole

132‧‧‧Second terminal receiving hole

14‧‧‧Second channel slot

20‧‧‧Second ontology

21‧‧‧ base

22‧‧ ‧ tongue plate

221‧‧‧ top surface

222‧‧‧ bottom

2221‧‧‧Terminal receiving slot

2222‧‧‧ accommodating slot

223‧‧‧left side

2231‧‧‧First placement slot

23‧‧‧ card holding arm

231‧‧‧Snaps

224‧‧‧ right side

2241‧‧‧Second handicap slot

3‧‧‧Electrical terminals

31‧‧‧First terminal group

311‧‧‧First contact

312‧‧‧ First connection

313‧‧‧First Holding Department

314‧‧‧First Welding Department

32‧‧‧Second terminal group

320‧‧‧second terminal

321‧‧‧Second contact

323‧‧‧Second Holding Department

324‧‧‧Second welding department

4‧‧‧Detection terminal

41‧‧‧First detection terminal

411‧‧‧ first vertical

412‧‧‧First positioning arm

413‧‧‧First extension arm

414‧‧‧First Abutment

415‧‧‧First Abutment

416‧‧‧First welding feet

42‧‧‧Second detection terminal

421‧‧‧Second vertical

422‧‧‧Second positioning arm

423‧‧‧Second extension arm

424‧‧‧Bends

425‧‧‧Second Abutment

426‧‧‧second abutment

427‧‧‧Second welding feet

5‧‧‧ Positioning Block

51‧‧‧ Containment passage

6‧‧‧Shaded housing

61‧‧‧ upper end wall

62‧‧‧ lower end wall

63‧‧‧Left end wall

631‧‧‧First letting space

632‧‧‧ Board

633‧‧‧ inclined section

634‧‧‧First shrapnel

64‧‧‧Right end wall

641‧‧‧Second handicap space

642‧‧‧Second shrapnel

65‧‧‧Back cover

66‧‧‧stops

67‧‧‧Extension wall

68‧‧‧Installation feet

The first figure is a three-dimensional combination of the original electrical connector.

The second figure is a partial exploded view of the present electrical connector.

The third figure is a partial exploded view of another perspective of the present electrical connector.

The fourth figure is a partial exploded view of the present invention in which the shielded housing is removed.

The fifth figure is an exploded perspective view of the present electrical connector.

The sixth figure is an exploded perspective view of another perspective of the present electrical connector.

Figure 7 is a cross-sectional view of the present electrical connector taken along the line VII-VII in the first figure.

The eighth figure is similar to the seventh figure, and further shows that the detection terminal is in a state in which the standard USB plug is inserted.

The ninth diagram is similar to the eighth diagram, but the detection terminal is in a state in which the USB PD plug is inserted.

2231‧‧‧First placement slot

2241‧‧‧Second handicap slot

413‧‧‧First extension arm

414‧‧‧First Abutment

415‧‧‧First Abutment

424‧‧‧Bends

425‧‧‧Second Abutment

426‧‧‧second abutment

63‧‧‧Left end wall

631‧‧‧First letting space

632‧‧‧ Board

64‧‧‧Right end wall

641‧‧‧Second handicap space

642‧‧‧Second shrapnel

Claims (16)

An electrical connector comprising:
The insulating body includes a tongue portion extending horizontally forwardly, the tongue portion including a top surface, a bottom surface opposite to the top surface, and left and right side surfaces connecting the top surface and the bottom surface;
The conductive terminal is received in the insulating body;
The shielding housing is configured to cover the insulative housing and form a mating space around the tongue portion; and the detecting terminal includes a first detecting terminal disposed on one side of the tongue portion, and the first detecting terminal is disposed a horizontal first extending arm extending into the docking space and a first abutting portion extending forward from the first extending arm;
Wherein, the tongue portion is provided with a first retaining groove recessed inward, and the first abutting portion extends inward into the first retaining groove. The electrical connector of claim 1, wherein the first abutting portion has a "V" shape, and the first detecting terminal further comprises a first yielding position extending from a front end of the first abutting portion. The first abutting portion of the groove is in contact with the shielding case. The electrical connector of claim 2, wherein the detecting terminal further comprises a second detecting terminal, the first retaining groove is recessed from the left side, and the tongue portion is further provided. a second retaining slot that is recessed from the right side, the second detecting terminal includes a second abutting portion that is in a "V" shape and extends into the second retaining slot and rearward from the second abutting portion Extending out of the second abutting portion of the second retaining groove, the second abutting portion can be in contact with the shielding shell. The electrical connector of claim 3, wherein the first abutting portion of the first detecting terminal extends downwardly beyond the bottom surface of the tongue portion, and the second abutting portion is located at the tongue portion Between the top surface and the bottom surface. The electrical connector of claim 3, wherein the second detecting terminal further comprises a second extending arm extending into the docking space and located on the right side of the tongue portion, and bending backward from the front end of the second extending arm The extended bending portion extends from the bending portion into the second retaining portion. The electrical connector of claim 3, wherein the first retaining slot is closer to the front end of the tongue portion than the second retaining slot. The electrical connector of claim 3, wherein the insulative housing comprises a first body and a second body mounted to the first body from the rear to the front, the first body comprising a body portion, the body The front portion includes a front end wall, a rear end wall, and left and right side walls, and the left and right side walls are provided with first and second holding blocks protruding outwardly, and the first and second holding blocks are provided with an upward outer side a first and a second clamping portion, a first and a second clamping groove formed between the first and second protruding portions and the left and right side walls, the first and second protruding portions and the left The first and second clamping slots are formed between the right side wall, and the first and second holding slots are vertically disposed in the middle of the first and second clamping blocks, and the first and second detecting terminals respectively The first and second vertical portions held in the first and second holding grooves and the first and second positioning arms extending in the front-rear direction from the top ends of the first and second vertical portions are provided. The electrical connector of claim 3, wherein the shielding housing comprises an upper end wall, a lower end wall and left and right end walls, wherein the left end wall is provided with a first letting space and is suspended in the first a first elastic piece on the outer side of the space, the right end wall is provided with a second letting space and a second elastic piece suspended outside the second yield space, and the first detecting terminal is located in the first letting space. The first abutting portion can be in contact with or disconnected from the first elastic piece, the second detecting terminal is located in the second retaining space, and the second abutting portion can be in contact with or disconnected from the second elastic piece, the first The second elastic piece protrudes outward from the corresponding left and right end walls, respectively. The electrical connector of claim 7, wherein the shielding housing is provided with left and right end walls, and the rear ends of the left and right end walls are provided with a stopping portion and a self-stop portion extending perpendicularly to the outside. An extending wall extending vertically rearward, the first and second holding blocks of the insulating body abut against the stopping portion. The electrical connector of claim 1, wherein the electrical connector is a USB 3.0 electrical connector. An electrical connector comprising:
The insulative housing includes a main body portion and a tongue portion extending horizontally from the main body portion, the tongue portion including a top surface, a bottom surface opposite to the top surface, and two sides connecting the top surface and the bottom surface;
The conductive terminal is received in the insulating body;
The shielding case covers the insulating body and forms a pair of spaces around the tongue portion, the shielding shell includes opposite end walls, and the detecting terminal includes a side surface disposed on the tongue portion and Blocking the first detecting terminal between the corresponding end walls of the housing, the first detecting terminal is fixed to one end of the main body of the insulating body and extends into the docking space to form a horizontal first extending arm and extending from the first The arm is bent forward to extend the first abutting portion;
The side surface of the tongue plate portion is provided with a first retaining groove recessed inwardly, and the first abutting portion extends inward into the first retaining groove. The electrical connector of claim 11, wherein the first abutting portion has a "V" shape, and the first detecting terminal further comprises a first yielding position extending from a front end of the first abutting portion. The first abutting portion of the groove is in contact with the shielding case. The electrical connector of claim 12, wherein the detecting terminal further comprises a second detecting terminal, wherein the two sides of the tongue portion include a left side surface and a right side surface, the first yielding position The groove is recessed from the left side, and the tongue portion is further provided with a second retaining groove recessed from the right side. The second detecting terminal includes a "V" shape and extends into the second retaining groove. The second abutting portion and the second abutting portion of the second retaining groove extend rearward from the second abutting portion, and the second abutting portion can interfere with the shielding shell. The electrical connector of claim 13, wherein the first abutting portion of the first detecting terminal extends downwardly beyond the bottom surface of the tongue portion, and the second abutting portion is located at the tongue portion Between the top surface and the bottom surface. The electrical connector of claim 13, wherein the second detecting terminal further comprises a second extending arm extending into the docking space and located on the right side of the tongue portion, and bending backward from the front end of the second extending arm The extended bending portion extends from the bending portion into the second retaining portion. The electrical connector of claim 13, wherein the first retaining slot is closer to the front end of the tongue portion than the second retaining slot.