CN204464635U - electrical connector - Google Patents

Abstract

A kind of electric connector, it comprises insulating body, the metal shell of coated insulation body and the conducting terminal, the inspection terminal that are fixed in insulating body.Described insulating body comprises the hyoplastron of base portion and extension forward, described hyoplastron definition has first surface and the second surface relative with first surface, described metal shell is located in hyoplastron surrounding and forms receiving space, described conducting terminal comprises and is exposed to hyoplastron and the contact site protruded in receiving space, and described inspection terminal comprises and protruding in receiving space and detecting part on rear side of the contact site being positioned at conducting terminal.Described electric connector is also provided with and protrudes into the interior stopper of receiving space, described stopper comprises and is positioned at front end and perpendicular to the blocking surface of hyoplastron first surface, on rear side of the contact site that described blocking surface is positioned at conducting terminal and on front side of the detecting part being positioned at described inspection terminal.Described blocking surface, in order to support butt connector, prevents butt connector from excessively inserting and touches inspection terminal by mistake.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector for protecting detection terminals.

【Background technique】

Related prior art can refer to an electrical connector disclosed in Chinese Utility Model Patent No. CN203800218U announced on August 27, 2014, which includes an insulating body, a conductive terminal accommodated in the insulating body, and a cover covering the insulating body. The metal shell, the insulating body includes a base and a tongue plate extending forward from the base, the electrical connector also includes a detection terminal accommodated in the insulating body, the detection terminal is arranged in the tongue plate and upward The contact portion extending from the first surface of the tongue plate is used to contact the metal shell of the USB PD PLUG to achieve detection. However, when some non-standard USB PLUGs are not USB PD PLUGs but longer than standard USB PD PLUGs, the shell will touch the detection terminal when they are over-inserted, making the system mistakenly think that the USB PD PLUG is inserted and carry out high-current transmission , resulting in damage to electronic components.

Therefore, it is desirable to design a novel solution to prevent false triggering of the contact portion of the detection terminal.

【Content of utility model】

The technical problem to be solved by the utility model is to provide an electrical connector, which can prevent the detection terminal from being falsely triggered.

In order to solve the above problems, the utility model can adopt the following technical solutions: an electrical connector, which includes an insulating body, a metal shell covering the insulating body, and a conductive terminal and a detection terminal fixed in the insulating body. It includes a base and a tongue plate extending forward, the tongue plate defines a first surface and a second surface opposite to the first surface, the metal shell surrounds the tongue plate to form a receiving space, and the conductive terminal includes The contact part exposed on the tongue plate and protruding into the receiving space, the detection terminal includes a detecting part protruding into the receiving space and located on the rear side of the contact part of the conductive terminal, wherein the electrical connector is also provided with A blocking block protruding into the receiving space, the blocking block includes a blocking surface at the front end and perpendicular to the first surface of the tongue plate, the blocking surface is located at the rear side of the contact portion of the conductive terminal and is located at the detection terminal The front side of the measuring department.

In a preferred embodiment, the blocking block protrudes upward from the first surface of the tongue plate into the receiving space.

In a preferred embodiment, the blocking block protrudes forward from the front end of the base into the receiving space.

In a preferred embodiment, there is a certain gap between the top surface of the blocking block and the metal casing.

In a preferred embodiment, the tongue plate is provided with a receiving groove upwardly recessed from its second surface, and the receiving groove is located on both lateral sides of the tongue plate, and the detection terminal includes an extension part accommodated in the receiving groove, The detection part is bent backward from the front end of the extension part and protrudes downwards out of the second surface of the tongue plate.

In a preferred embodiment, the conductive terminals include five first terminals and four second terminals, the detection terminals and the second terminals are stamped from the same strip, and the detection terminals are located on the second terminal the outermost ends.

In a preferred embodiment, the insulating body includes a first body and a second body assembled on the first body from top to bottom, the first terminal is embedded in the first body, and the second terminal and The detection terminal is embedded and molded in the second body.

In a preferred embodiment, the tongue plate is formed on the first body, and the blocking block protrudes from the first body.

In a preferred embodiment, the second body is blocked forward by a blocking block.

Compared with the prior art, the utility model has the following beneficial effects: by setting a blocking block at the front end of the contact part of the detection terminal, it is used to prevent the non-USB PD docking connector from being excessively inserted and accidentally touching the detection terminal.

【Description of drawings】

Fig. 1 is a perspective view of the electrical connector of the present invention.

FIG. 2 is a partially exploded perspective view of the electrical connector shown in FIG. 1 .

FIG. 3 is a perspective exploded view of the further disassembly of the electrical connector shown in FIG. 1 .

FIG. 4 is a perspective view from another angle of the electrical connector shown in FIG. 2 .

FIG. 5 is a further exploded perspective view of the electrical connector shown in FIG. 4 .

FIG. 6 is a perspective view from another angle of the electrical connector shown in FIG. 1 .

Fig. 7 is a side view of the electrical connector shown in Fig. 2 with the metal shell removed.

【Detailed ways】

Please refer to Figures 1 to 3, the utility model is an electrical connector 100 for transmitting data signals, which includes an insulating body 1, a conductive terminal 2 accommodated in the insulating body 1, a detection terminal 3, a The metal shell 4 and the back cover 5 of the insulating body 1 are covered. The metal shell 4 surrounds the insulating body 1 to form a receiving space 10 . The directions involved in this manual are all referred to in Figure 2, and the insertion end is defined as the front end.

Referring to FIGS. 1 to 5 , the insulating body 1 includes a first body 11 and a second body 12 assembled on the first body 11 from top to bottom. The first body 11 is roughly Z-shaped, and includes a base 111 extending vertically and a tongue 112 extending horizontally forward from the lower end of the base 111. The tongue 112 includes a first surface 1121 and is opposite to the first surface 1121. The second surface 1122 (see FIG. 5). The tongue plate 112 is provided with a plurality of first receiving grooves 1123 , second receiving grooves 1124 formed downwardly from the first surface 1121 , and a third receiving groove 1125 formed upwardly from the second surface 1122 . The first receiving grooves 1123 are arranged side by side at the front end of the first surface 1121 of the tongue plate 112, the second receiving grooves 1124 are arranged at intervals at the rear end of the first receiving grooves 1123, and the first and second receiving grooves 1123, 1124 are used to accommodate For the conductive terminal 2 , the third receiving groove 1125 is disposed on both lateral sides of the second surface 1122 of the tongue plate 112 for receiving the detection terminal 3 . The rear end of the first surface 1121 of the tongue plate 112 is further provided with at least one blocking block 1126 protruding upwards, and the blocking block 1126 is disposed between the second receiving grooves 1124 at intervals. The blocking block 1126 includes a blocking surface 1127 at the front end perpendicular to the first surface 1121 of the tongue plate 112. The distance between the blocking surface 1127 and the front end surface of the tongue plate 112 is the length of the tongue plate of a standard docking plug. The blocking block There is a certain gap between the top surface of 1126 and the metal casing 4 . The second body 21 is blocked forward by a blocking block. The second body 12 is roughly in an inverted L shape, which includes a vertically extending vertical portion 121 close to the front end of the base portion 111 and a self-vertical portion 121 The top end extends backwards to be close to the horizontal portion 122 of the first surface of the base portion 111 .

Referring to FIG. 3 to FIG. 6 , the conductive terminals 2 include five first terminals 21 and four second terminals 22 . The first terminal 21 is integrally punched and molded from the same strip and embedded in the first body 11 , and then the strip is cut off. The first terminal 21 includes a first holding portion 211 housed in the tongue plate 112, a flat first contact portion 212 extending horizontally forward from the holding portion 211 and exposed in the first receiving groove 1123, and a flat first contact portion 212 extending from the first holding portion The rear end of 211 extends upwards and is accommodated in the first connecting portion 213 inside the base portion 111 and the first welding portion 214 extends downward from the end of the connecting portion 213 to the first body 11 . The second terminal 22 includes a second connecting portion 221 accommodated in the vertical portion 121, a second extending portion 222 extending horizontally forward from the lower end of the second connecting portion 221, extending forward from the second extending portion 222 and The elastic second contact part 223 received in the second receiving groove 1124, the second holding part 224 extended horizontally and backward from the upper end of the second connecting part 221 and housed in the horizontal part 122, and extending downward from the second holding part 224 The second welding portion 225 of the insulating body 1 . Both the first contact portion 212 and the second contact portion 223 are located on the first surface 1121 of the tongue plate 112, forming a double-row contact portion of “front flat and rear spring”, and the second welding portion 225 is spaced from the first welding portion 214 front and back Arrange in two rows. The first terminal 21 and the second terminal 22 jointly define the terminal arrangement of the contact surface of the USB 3.0 connector.

Please continue to refer to FIG. 3 to FIG. 6, the electrical connector 100 also includes two detection terminals 3 accommodated on both sides of the insulating body 1, the detection terminals 3 are arranged on both sides of the second terminal 22 and are connected to the The second terminal 22 is integrally stamped from the same material strip and embedded in the insulating body 1 together with the second terminal 22. The detection terminal 3 includes a third connecting part 31 housed in the vertical part 121, a The lower end of the third connecting portion 31 extends horizontally forward and is accommodated in the third extension portion 32 in the third receiving groove 1125 . It is bent backward from the front end of the third extension portion 32 and protrudes downward from the second surface 1122 of the tongue plate 112 . The detection part 33, the third holding part 34 extending horizontally and backward from the upper end of the third connecting part 31 and accommodated in the horizontal part 122, and the third welding part 35 extending downward from the third holding part 34 out of the insulating body 1 , the third welding portion 35 is arranged in a row with the second welding portion 225 and is located outside the second welding portion 225 . The detecting portion 33 is located behind the blocking surface 1127 of the blocking block 1126 in the mating direction.

The metal casing 4 includes a top wall 41, a bottom wall 42 and two side walls 43, and the top wall 41, the bottom wall 42 and the two side walls 43 are all provided with elastic pieces 411, 421, 431 protruding into the receiving space 10 , wherein the top wall 41 is further provided with an elastic arm 412, the elastic arm 412 is located between the two elastic pieces 411 and protrudes into the receiving space 10 along the opposite extending direction. The two sidewalls 43 are also provided with a front fixing leg 432 in the middle and a matching portion 433 extending upwards in the rear end. The matching portion 433 is provided with a holding hole 4331 for matching with the rear cover 5 and a rear fixing foot 4332 extending downward, and the front fixing foot 432 and the rear fixing foot 4332 cooperate with each other so that the electrical connector 100 is fixed on the circuit board ( not shown). The back cover 5 is assembled on the insulating body 1 from top to bottom to cover the horizontal part 122 of the second body 12, and the two sides of the back cover 5 are provided with the clamping holes 4331 of the mating part 433 of the metal shell 4. The protrusion 51 is used to fix the back cover 5 to the metal casing 4 .

To sum up, in the embodiment of the present utility model, the blocking block 1126 is arranged on the tongue plate 112, but it can also be arranged on the base 111 in other embodiments, and the blocking block 1126 includes a blocking surface 1127 at the front end, so The blocking surface 1127 is located behind the contact portions 212 and 223 of the conductive terminal 2 and in front of the detecting portion 33 of the detecting terminal 3 (see FIG. 7 ). gap. When the USB PD docking connector is inserted, the front end of the shell exceeds the front end of the tongue plate by a certain distance, so the tongue plate can be pushed forward to the blocking surface 1127, and the shell touches the detection part of the detection terminal 3 through the gap. When the non-standard USB docking connector is inserted, because the tongue plate and the shell protrude longer than the standard USB PLUG, the blocking surface 1127 can resist the tongue plate (not shown) of the non-standard USB docking connector to prevent It is further inserted to prevent the non-standard USB docking connector from being inserted too deeply and accidentally touching the detection terminal.

In summary, the above are only preferred embodiments of the present utility model, and should not limit the scope of the present utility model, that is, all simple equivalent changes and modifications made according to the claims of the utility model and the contents of the description , all should still belong to the scope that the utility model patent covers.

Claims (9)

1. An electrical connector, which includes an insulating body, a metal shell covering the insulating body, and a conductive terminal and a detection terminal fixed in the insulating body, the insulating body includes a base and a tongue extending forward, the The tongue plate defines a first surface and a second surface opposite to the first surface, the metal casing surrounds the tongue plate to form a receiving space, and the conductive terminals include contacts exposed on the tongue plate and protruding into the receiving space The contact part, the detection terminal includes a detection part that protrudes into the receiving space and is located on the rear side of the contact part of the conductive terminal, and is characterized in that: the electrical connector is also provided with a blocking block that protrudes into the receiving space The blocking block includes a blocking surface at the front end and perpendicular to the first surface of the tongue plate, the blocking surface is located at the rear side of the contact portion of the conductive terminal and at the front side of the detection portion of the detection terminal. 2. The electrical connector as claimed in claim 1, wherein the blocking block protrudes upward from the first surface of the tongue plate into the receiving space. 3. The electrical connector as claimed in claim 1, wherein the blocking block protrudes forward from the front end of the base into the receiving space. 4. The electrical connector according to claim 2 or 3, wherein there is a certain gap between the top surface of the blocking block and the metal shell. 5. The electrical connector according to claim 4, wherein the tongue is provided with a receiving groove formed upwardly from the second surface of the tongue, the receiving groove is located on both lateral sides of the tongue, and the detection The terminal includes an extension part accommodated in the receiving groove, and the detection part is bent backward from the front end of the extension part and protrudes downwards out of the second surface of the tongue plate. 6. The electrical connector according to claim 4, wherein the conductive terminals include five first terminals and four second terminals, and the detection terminals and the second terminals are stamped from the same strip , and the detection terminal is located at two outermost ends of the second terminal. 7. The electrical connector according to claim 6, wherein the insulating body comprises a first body and a second body assembled on the first body from top to bottom, and the first terminal is embedded in the In the first body, the second terminal and the detection terminal are embedded and molded in the second body. 8. The electrical connector as claimed in claim 7, wherein the tongue plate is formed on the first body, and the blocking block protrudes from the first body. 9. The electrical connector according to claim 7, wherein the second body is blocked forward by a blocking block.