TWM480802U - Electrical connector - Google Patents

Abstract

An electrical connector includes an insulative housing, a number of terminals retained in the insulative housing, a first detecting pin retained in the insulative housing and a shell. The insulative housing has a base, a front face of the base and a tongue protruding forwardly from the front face. The tongue has a supporting face and a mating face opposite to the supporting face. Each contact has a contacting portion disposed on the mating face. The base has a top surface, a receiving cavity depressing through the base along an up-to-down direction and a protrusion located behind the receiving cavity. The detecting pin has a first engaging portion above the supporting face and a first body portion extending backwardly from the engaging portion, the first body portion is received in the receiving cavity and closed to the protrusion.

Description

Electrical connector

The present invention relates to an electrical connector with a detection terminal.

The prior art related to the present invention can be referred to the Chinese Utility Model Patent No. CN202712639 U published on January 3, 2013. The electrical connector disclosed in the utility model also has the structure of a standard USB socket connector, including An insulating body, a plurality of conductive terminals mounted on the insulating body, a shielding shell shielded from the outside of the insulating body, and two detecting terminals respectively mounted on two sides of the insulating body, the insulating body having a base and protruding forward from the base a tongue plate, the tongue plate is provided with a matching surface, a supporting surface opposite to the mating surface, a receiving groove for receiving the conductive terminal recessed from the support surface, and a partition wall at a rear side of the receiving groove near the base, the partition wall and the partition wall A receiving space for receiving the detecting terminal is formed between the front side of the base, and the detecting terminal is provided with a detecting portion located at a lower side of the supporting surface, and the detecting portion is received in the receiving space, but due to the supporting surface of the tongue A large number of storage slots, and then a partition wall, makes the original complex structure of the tongue more complicated, resulting in a more complicated mold for manufacturing the insulating body. It is easy to manufacture and is likely to cause a drop in productivity.

Therefore, in view of the above problems, it is necessary to provide an improved electrical connector to solve the above problems.

The purpose of this creation is to provide an electrical connector that can better hold the detection terminal and is easy to install and manufacture.

In order to solve the above technical problem, the present invention has an insulating body, a plurality of conductive terminals fixed on the insulating body, a first detecting terminal mounted on the insulating body, and a shielding shell, wherein the insulating body is provided with a base, a front surface on the front side of the base and a tongue protruding forwardly from the front surface, the tongue plate is provided with a mating surface and a supporting surface opposite to the mating surface, and the conductive terminal is provided with an abutting portion on the supporting surface, the base portion is provided The upper surface and the receiving cavity formed from the upper surface and recessed through the base portion, the base portion is provided with a blocking portion on the rear side of the receiving cavity, and the first detecting terminal is provided with a first abutting on the side of the mating surface And a first body portion extending rearward from the first abutting portion, the first body portion being received in the receiving cavity and abutting against the blocking portion.

Compared with the prior art, the structure of the present electrical connector is relatively simple, which facilitates the manufacture of the mold of the electrical connector and improves the production efficiency.

The first figure is a perspective view of the present electrical connector.

The second figure is a perspective view of another angle of the present electrical connector.

The third figure is a schematic view of the present invention in which the electrical connector is removed.

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

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

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

Referring to the first to sixth figures, the present invention is used for soldering a circuit board (not shown), and includes an insulative housing 1 and a plurality of conductive terminals 2 mounted in the insulative housing 1. The metal shielding case 3, the plurality of detecting terminals 5 and the terminal fixing base 6 are covered on the outside of the insulative housing 1.

Referring to the third to fifth figures, the insulative housing 1 includes a base portion 11 and a tongue plate 12 projecting forwardly from the front surface 114 of the base portion 11. The base portion 11 includes an upper surface 111, a lower surface 112, two side portions 113, the front surface 114 and the rear end surface 115. The base portion 11 is further provided with two receiving cavities 1130 formed by recessing from the upper surface 111 to the left and right sides of the two side portions 113 and recessed from the rear end surface 115 to form a receiving space 1150 for receiving the terminal fixing base 6 The receiving cavity 1130 is not in communication with the receiving space 1150. The base portion 11 is provided with a blocking portion 1152 for supporting the detecting terminal 5 forwardly on the rear side of the receiving cavity 1130. The receiving cavity 1130 does not penetrate the rear end surface 115 backward, but penetrates the side portion 113 outward and penetrates the bottom surface of the base portion 11 downward. The base portion 11 is further provided with a positioning groove 116 for locating the conductive terminal 2 from the front to the rear. The positioning groove 116 penetrates the receiving space 1150 and is located between the two receiving cavities 1130. Further, an additional portion 117 is provided on the outer side of the side portion 113 on the left side, a support base 118 connected to the additional portion 117 on the front side of the additional portion 117, and a fixed cavity 119 between the side portion 113 and the additional portion 117. The fixing cavity 119 is in communication with the inside and outside of the receiving cavity 1130.

Referring to FIGS. 4 to 5, the tongue plate 12 includes a mating surface 13, a support surface 14 opposite the mating surface 13, a front end surface 18 away from the base portion 11, and two side surfaces 19. The mating surface 13 and the supporting surface 14 are respectively located on the upper and lower sides of the tongue 12 . The mating surface 13 is provided with a plurality of positioning holes 131 for the mold to position the conductive terminals 2 for overmolding. The front and rear ends of the tongue plate 12 are respectively provided with first and second receiving grooves 141 and 142 which are recessed from the support surface 14 , and the first and second receiving grooves 141 and 142 are not in communication with each other. The first and second receiving grooves 141 and 142 are partially aligned along the longitudinal direction of the tongue plate 12. The second receiving groove 142 is connected to the positioning groove 116 of the base portion 11 in the front-rear direction. The two sides of the tongue plate 12 are disposed near the front surface 114 of the base portion 11 and are provided with a recessing space 132 recessed from the mating surface 13 . The letting space 132 communicates with the receiving cavity 1130 to receive and fix the detecting. Terminal 5. The tongue plate 12 is adjacent to the front end face 18, and is further provided with a recessed portion 191 which is recessed inward from the side surface 19 of the left side.

Referring to FIGS. 2 to 5 , the conductive terminal 2 includes a plurality of first conductive terminals 21 overmolded in the tongue plate 12 and a plurality of second conductive terminals 22 received in the second receiving groove 142 . The first conductive terminal 21 includes two pairs of differential signal terminals and a ground terminal located between the two pairs of differential signal terminals. Each of the first conductive terminals 21 is arranged along the width direction of the tongue plate 12, and includes a first abutting portion 211 received in the first receiving groove 141, extending rearward from the first butting portion 211 and partially covered in the tongue plate. The first fixing portion (not labeled), the first connecting portion 213 extending rearward from the rear end of the first fixing portion and extending downward, and the first welding portion 214 extending downward from the first connecting portion 213. The first abutting portion 211 is substantially in the form of a flat strip and is placed in the first receiving groove 141 and located within the supporting surface 14 . The second conductive terminal 22 is substantially identical in structure, and includes a second abutting portion 221 received in the second receiving slot 142, a second connecting portion 223 partially received in the second receiving slot 142, and a second connecting portion. 223 continues to contract the second welded portion 224 that extends downward. The second abutting portion 221 is cantilevered and received in the corresponding second receiving groove 142 and protrudes from the supporting surface 14 of the tongue plate 12 . The second abutting portions 221 are arranged along the width direction of the tongue plate and have a certain elasticity to move along the thickness direction of the tongue plate 12 to facilitate cooperation with a plug connector (not shown).

Referring to FIGS. 4 to 7 , the terminal holder 6 is provided with a main body portion 61 mounted in the receiving space 1150 at the rear end of the base portion 11 and a support plate 62 extending horizontally forward from the lower side of the front side of the main body portion 61 . . The main body portion 61 is provided with two side portions 610 and protrudes outward from the side portions 610 to interfere with the inner walls of the two side portions 113 of the base portion 11 to position the terminal fixing base 6 in the receiving space 1150 of the insulative housing 1 . Interference block 611. The main body portion 61 further includes a plurality of receiving holes 612 for vertically and vertically extending through the main body portion 61 for receiving the first connecting portion 213 of the first conductive terminal 21, and a plurality of convex portions extending forward from the front side of the main body portion 61 and extending in the vertical direction. The rib 613 and the plurality of through holes 614 located in front of the rib 613 and extending through the support plate 62 up and down. The rib 613 is configured to press the second connecting portion 223 of the second conductive terminal 22 forwardly on the insulative housing 1 , and the second soldering portion 224 of the second conductive terminal 22 passes through the through hole 614 . .

Referring to FIGS. 4 to 5, the shielding case 3 is a hollow structure including an upper wall 31, a lower wall 32, a left side wall 33, and a right side wall 34. The shielding shell 3 is mounted on the base portion 11 of the insulative housing 1 and located at the periphery of the tongue panel 12 to form a receiving space 10. The upper and lower walls 31 and 32 are respectively provided with a first pressing elastic piece 310 protruding into the receiving space 10 , and the right side wall 34 is also provided with a second pressing elastic piece 340 protruding into the receiving space 10 . . The first and second pressing elastic pieces 310 and 340 are matched with the mating plug connector, so that the plug connector can be stably held in the accommodating space 10. The two side walls 33, 34 are also respectively provided with two mounting feet 332 extending downward on the rear side of the shielding shell 3 for soldering to the circuit board 4. The left side wall 33 is provided with a detecting elastic piece 331 integrally formed on the left side wall 33, and the detecting elastic piece 331 is punched outward from the left side wall 33 to protrude from the plane of the left side wall 33, and the left side 璧33 forms a yielding cavity 101 corresponding to the receiving detecting terminal 5.

The detecting terminal 5 includes a pair of first detecting terminals 51 in the receiving cavity 1130 symmetrically received on both sides of the base portion 11 and a fixing cavity 119 installed between the additional portion 117 and the side portion 113 on the left side of the base portion 11 Second, the detection terminal 52. Each of the first detecting terminals 51 extends vertically in a sheet shape, and is provided with an L-shaped first body portion 512 received in the receiving cavity 1130, and is contracted downward from the first body portion 512 and extends beyond the base portion. The first welding leg 513 of the bottom surface 11 and the first abutting portion 511 extending from the other end of the first body portion 512 to the horizontal position of the tongue plate 12 in the yield space 132. The first main body portion 512 is provided with a plurality of barbs 5121. After the first detecting terminal 51 is mounted into the receiving cavity 1130 from the top to the bottom, the barb 5121 interferes with the blocking portion 1152 of the base portion 11, thereby The first detecting terminal 51 is more stably fixed in the receiving cavity 1130, and when the mating plug is inserted, the blocking portion 1152 forwardly abuts the first body portion 512 of the first detecting terminal 51 to provide supporting force, so that the first The detecting terminal 51 does not fall out of the base portion 11 in the front-rear direction. The first abutting portion 511 extends up and down in a sheet shape, and in a normal state, the highest of the first abutting portion 511 extends beyond the mating surface 13 in the up and down direction.

The second detecting terminal 52 is provided with a second main body portion 522 fixed in the fixing cavity 119, a second abutting portion 521 extending from the second main body portion 522 into the retaining cavity 101, and the second The body portion 522 is contracted downwardly to be soldered to a second solder leg 523 on a circuit board (not shown). The second abutting portion 521 is provided with a resisting portion 5210 that protrudes into the recessed portion 191 in a mountain shape. The second abutting portion 521 is adjacent to the front edge of the tongue plate 12 , and the first abutting portion 511 is located at the rear side of the tongue plate 12 and adjacent to the front surface 114 of the base portion 11 .

The electrical connector 100 of the present invention can not only interface with a standard USB plug connector but also transmit signals, and can also dock another USB PD (Power Delivery) plug connector that can simultaneously transmit a large current, and can pass the first and the first The two detection terminals 51, 52 identify the type of plug connector that is inserted to enable determination of whether or not to perform a large current transmission. The length of the plug portion of the USB PD plug entering the accommodating space 10 is longer than the corresponding mating portion of the standard USB 3.0 plug. When the standard USB plug connector is fully inserted into the accommodating space 10 of the electrical connector 100 of the present invention, The shielding housing of the standard USB plug connector presses the abutting portion 5210 of the second detecting terminal 52 outward, thereby forcing the second abutting portion 521 to move outward and finally detecting the shrapnel with the present electrical connector 100. The 331 is abutted to achieve the detection function. Because the first abutting portion 511 on the foremost side of the first detecting terminal 51 is set to be inaccessible to the standard USB plug connector, the first detecting terminal 51 does not receive any resistance at this time. The first abutting portion 511 is not subjected to any pressure and cannot be in conduction contact with the first detecting terminal 51 on the other side through the outer casing of the plug connector, so that the electrical connector 100 of the present invention will recognize the plug connector as a standard. USB plug connector, no large current transmission, so as not to damage the components. When the USB PD plug connector is fully inserted into the electrical connector 100 of the present invention, since the USB PD plug connector has a long abutting portion, the first detecting terminal 51 of the electrical connector 100 of the present invention can be accessed first. The abutting portion 511 drives the two first detecting terminals 51 to be electrically connected through the shielding shell of the plug connector, thereby achieving a detecting function, so that the electrical connector 100 of the present invention recognizes that the plug connector is a USB PD connector. Perform large current transmission.

In summary, the electrical connector 100 of the present invention sets the first detecting terminal 51 on the standard USB socket connector, and the first detecting terminal 51 is disposed in the standard USB plug connector, and the USB PD plug is connected. The device can be accessed so that the electrical connector 100 of the present invention can recognize the inserted different USB plug connectors and perform different signal transmissions. Moreover, the first detecting terminal 51 is installed into the receiving cavity 1130 of the base 11 from the top to the bottom, preventing the first detecting terminal 51 from being displaced during assembly, and blocking by the blocking portion 1152 located at the rear side of the receiving cavity 1130. The first detecting terminal 51 is detached from the insulating body 1 rearward.

In summary, this creation has indeed met the requirements for the creation of patents, and has filed a patent application in accordance with the law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereby. Equivalent modifications or variations made by those of ordinary skill in the art in the spirit of the present invention are still covered by the appended claims.

1‧‧‧Insulating body

22‧‧‧Second conductive terminal

10‧‧‧ accommodating space

221‧‧‧Second docking department

100‧‧‧Electrical connector

223‧‧‧Second connection

101‧‧‧Let the cavity

224‧‧‧Second welding department

11‧‧‧ base

3‧‧‧Shaded housing

111‧‧‧Upper surface

31‧‧‧Upper wall

112‧‧‧ lower surface

32‧‧‧The lower wall

113‧‧‧ side

310‧‧‧First pressure shrapnel

1130‧‧‧ containment chamber

340‧‧‧Second pressure shrapnel

114‧‧‧ front surface

33‧‧‧ left wall

115‧‧‧ rear end face

331‧‧‧Detecting shrapnel

1150‧‧‧ accommodating space

332‧‧‧Installation feet

1152‧‧‧Block

34‧‧‧ right wall

116‧‧‧ positioning slot

5‧‧‧Detection terminal

117‧‧‧Additional Department

51‧‧‧First detection terminal

118‧‧‧Support table

511‧‧‧First Abutment

119‧‧‧ fixed cavity

512‧‧‧First Main Body

12‧‧ ‧ tongue

5121‧‧‧ barbed

13‧‧‧Materials

513‧‧‧First welding feet

131‧‧‧Positioning holes

52‧‧‧Second detection terminal

132‧‧‧Licence space

521‧‧‧second abutment

14‧‧‧Support surface

5210‧‧‧Responsible Department

141‧‧‧First storage trough

522‧‧‧Second Main Body

142‧‧‧Second holding trough

523‧‧‧Second welding feet

18‧‧‧ front face

6‧‧‧ Fixed seat

19‧‧‧ side

61‧‧‧ Main body

191‧‧‧Depression

610‧‧‧ side

2‧‧‧Electrical terminals

611‧‧‧Interference block

21‧‧‧First conductive terminal

612‧‧‧ receiving hole

211‧‧‧First docking department

613‧‧‧ rib

213‧‧‧First connection

614‧‧‧through hole

214‧‧‧First Welding Department

62‧‧‧Support board

6‧‧‧ Fixed seat

11‧‧‧ base

12‧‧ ‧ tongue

113‧‧‧ side

117‧‧‧Additional Department

511‧‧‧First Abutment

512‧‧‧First Main Body

521‧‧‧second abutment

522‧‧‧Second Main Body

611‧‧‧Interference block

Claims (10)

An electrical connector comprising:
The insulating body is provided with a base portion, a front surface on the front side of the base portion, and a tongue plate protruding forwardly from the front surface, the tongue plate is provided with a mating surface and a supporting surface opposite to the mating surface, and the base portion is further provided with an upper surface and The receiving cavity formed by the base is recessed downwardly from the upper surface, and the base is provided with a blocking portion on the rear side of the receiving cavity;
a plurality of conductive terminals are provided with abutting portions on the support surface;
The first detecting terminal is mounted on the insulative housing, and is provided with a first main body portion and a first abutting portion extending from the first main body portion to the upper side of the mating surface;
The first body portion is received in the receiving cavity and abuts against the blocking portion. The electrical connector of claim 1, wherein the receiving cavity extends forwardly into the tongue plate to form a seating space, and the letting space extends upwardly through the mating surface of the tongue plate, and the first abutting portion receives Within the yield space. The electrical connector of claim 2, wherein the base portion is provided with a positioning groove that is penetrated forward and backward to position the conductive terminal, and the receiving cavity is located at an outer side of the positioning groove. The electrical connector of claim 3, wherein the base portion is provided with two side portions on both sides, a rear end surface at the rear side, and a receiving space formed to be recessed from the rear end surface, the blocking portion being along The front-rear direction corresponds to the receiving cavity and is located outside the receiving space. The electrical connector of claim 4, wherein the base portion is further provided with an additional portion protruding outward from the side portion corresponding to the side of the receiving cavity, and a fixed cavity is formed between the additional portion and the side portion. The detecting terminal further includes a second detecting terminal that is located in the fixed cavity. The electrical connector of claim 5, wherein the fixed cavity is T-shaped. The electrical connector of claim 6, wherein the first detecting terminal is provided with a first extending portion received in the seating space and the receiving cavity, and the second detecting terminal is provided at the base a second extension on the outside of the side. The electrical connector of claim 7, wherein the tongue plate is provided with two sides of the upper and lower connecting mating surfaces and the supporting surface, and a recessed portion formed by recessing one of the side surfaces, the second detecting terminal A second abutting portion extending forward from the second extending portion and received in the recessed portion is provided. The electrical connector of claim 8, wherein the fixed cavity is in communication with the receiving cavity. The electrical connector of claim 9, wherein the first abutting portion is disposed in a standard USB plug connector and the USB PD (USB POWER DELIVERY) plug connector is in contact therewith.