TWI424625B - Electrical connector and method of making the same - Google Patents

Description

Electrical connector and assembly method thereof

The present invention relates to an electrical connector and a method of assembling the same, and more particularly to a universal serial bus interface of an electrical connector and a method of assembling the electrical connector.

The prior art related to the present invention can be referred to the Chinese utility model patent published on September 10, 2008, and the announcement number is 201112877Y. This patent discloses an electrical connector. The electrical connector has a universal serial bus interface. A tongue plate is disposed in the universal serial bus interface. Four terminal slots for receiving four universal serial bus terminals are provided on the tongue plate.

However, the electrical connector requires additional circuit control functions, and there is no corresponding component in the universal serial bus interface to perform this function.

Therefore, it is necessary to modify the conventional electrical connector to overcome the above drawbacks.

In view of the foregoing, it is an object of the present invention to provide an electrical connector and a method of assembling the same that can perform signal control operations within the universal serial bus interface on the electrical connector without increasing the width of the interface.

To achieve the foregoing objects, the present invention provides an electrical connector having a universal serial total The insulative housing of the line interface and the plurality of conductive terminals mounted in the insulating body, the universal serial bus interface is provided with a tongue plate, and the tongue plate is provided with four first terminal slots and a second terminal slot, the conductive The terminal includes four first terminals corresponding to the first terminal slots and a second terminal corresponding to the second terminal slots, and the first and second terminals are arranged side by side in the width direction on the same side of the tongue plate.

The invention provides a method for assembling an electrical connector, comprising the steps of: (1) punching four first terminals and a second terminal from the same strip, the first and second terminals respectively having a contact arm; a conductive portion, a connecting portion and a soldering portion; (2) the width of the contact arm of the second terminal is smaller than the width of the contact arm of the first terminal by the stripping; (3) providing a universal serial bus interface having a tongue plate, and Four first terminal slots and one second terminal slot are disposed on one side of the tongue plate; (4) the first and second terminals are arranged side by side on the one side of the tongue plate, and the first and second terminals are respectively corresponding to the first 1. Elastic deformation occurs in the second terminal slot.

Compared with the prior art, the present invention has the following advantageous effects: the width of the tongue plate is added with a second terminal for the control signal while maintaining the same as the universal serial bus standard tongue plate. Thereby, the electrical connector is provided with a signal control function.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧Universal Serial Bus Interface

12‧‧ ‧ tongue

121‧‧‧First terminal slot

122‧‧‧Second terminal slot

13‧‧‧Upper wall

14‧‧‧ Keeping Department

15‧‧‧ openings

151‧‧‧Support wall

1511‧‧‧ Insert slot

16‧‧‧ inner wall

18‧‧‧ side wall

181‧‧‧ guiding slot

182‧‧‧Upper snap groove

183‧‧‧Under the snap groove

19‧‧‧Modular interface

2‧‧‧Universal Serial Bus Terminals

21‧‧‧First terminal

211‧‧‧First Conductive Department

2111‧‧‧First contact arm

2112‧‧‧First neck

212‧‧‧First connection

213‧‧‧First Welding Department

22‧‧‧second terminal

221‧‧‧Second Conductive Department

2211‧‧‧second contact arm

2212‧‧‧second neck

222‧‧‧Second connection

223‧‧‧Second welding department

224‧‧‧ ribs

3‧‧‧Terminal module

31‧‧‧ Pedestal

311‧‧‧ positioning slot

312‧‧‧ 容 cavity

313‧‧‧Affiliation

314‧‧‧ bottom

32‧‧‧Support board

33‧‧‧Contact terminals

331‧‧‧Contacts

34‧‧‧Sub Board

341‧‧‧Magnetic components

342‧‧‧Electrical hole

35‧‧‧Guidance

36‧‧‧Transfer terminal

4‧‧‧ Masking

41‧‧‧Upper sheet

42‧‧‧ Lower sheet

43‧‧‧Connecting piece

44‧‧‧Shrap

51‧‧‧First cover body

52‧‧‧Second cover body

The first figure is an assembled view of the electrical connector of the present invention.

The second figure is a partially exploded view of the electrical connector shown in the first figure.

The third figure is a partially exploded view of the electrical connector shown in the second figure, wherein the terminal module is housed in the insulating body.

The fourth picture shows the universal serial bus terminal, terminal module and shielding film shown in the second figure. A partially exploded view of the body mounted in the insulation.

The fifth figure is a diagram of the cooperation between the universal serial bus terminal and the terminal module shown in the fourth figure.

The sixth figure is an assembled view of the universal serial bus terminal mounted in the universal serial bus interface.

Figure 7 is a perspective view of the universal serial bus terminal of the electrical connector shown in the third figure.

Referring to the first to fourth figures, the present invention discloses an electrical connector 100 including an insulative housing 1, a plurality of universal serial bus terminals 2 disposed in the insulative housing 1, a shielding sheet 4, and first and second shielding. Covers 51, 52.

Referring to the third and fourth figures, the insulative housing 1 includes a universal serial bus interface 11 and a module interface 19 arranged in a stacked manner. The insulative housing 1 includes an upper wall 13, an inner wall 16, and a pair of side walls 18. The depth of the side wall 18 in the front-rear direction is greater than the corresponding length of the upper wall 13. The inner wall 16 extends vertically downward from the rear edge of the upper wall 13. An opening 15 is formed in the rear of the upper wall 13. The opening 15 is surrounded by an inner wall 16 and a pair of side walls 18. A support wall 151 extending in parallel with the upper wall 13 is provided in the opening 15. The upper surface of the support wall 151 is formed with a plurality of insertion grooves 1511 extending in the front-rear direction. A side wall 18 of the insulative housing 1 is provided with a guiding groove 181 extending in the front-rear direction. Each of the side walls 18 is provided with an upper snap groove 182 and a lower snap groove 183, respectively.

In conjunction with the sixth figure, the insulative housing 1 is further provided with a tongue 12 projecting into the universal serial bus interface 11. The lower surface of the tongue plate 12 is provided with four first terminal slots 121 and one second terminal slot 122.

Referring to the seventh figure, the universal serial bus terminal 2 includes four first terminals 21 and is located at four. The second terminal 22 on one side of the first terminal 21 is rooted. The middle two of the four first terminals 21 are signal terminals. The two terminals located on both sides of the signal terminal are the ground terminal and the power terminal. The second terminal 22 is close to the ground terminal and away from the power terminal. Each of the first terminals 21 has a first conductive portion 211 , a first connecting portion 212 , and a first solder portion 213 . The first conductive portion 211 includes a first neck portion 2112 connected to the first connecting portion 212 and a first contact arm 2111 protruding forward from the first neck portion 2112 in an elastic cantilever shape. The second terminal 22 has a second conductive portion 221 , a second connecting portion 222 , and a second solder portion 223 . The second conductive portion 221 includes a second contact arm 2211 and a second neck portion 2212. The first and second neck portions 2112, 2212 of the first and second terminals 21, 22 are connected to the first and second contact arms 2111, 2211 in a sheet shape having the same width. The width of the second contact arm 2211 of the second terminal 22 is smaller than the width of the first contact arm 2111 of the first terminal 21. The second conductive portion 221 of the second terminal 22 is provided with a rib 224. Since the width of the second contact arm 2211 is smaller than the width of the first contact arm 2111, the rib 224 serves to compensate for the insufficient strength of the second contact arm 2211.

Referring to the fourth and fifth figures, the terminal module 3 includes a base 31, a support plate 32, a sub-circuit board 34, and a plurality of contact terminals 33. The base 31 includes an abutting portion 313 and a bottom portion 314 which are vertically arranged to each other. A receiving cavity 312 is disposed between the abutting portion 313 and the bottom portion 314. The bottom 314 of the base 31 is provided with a plurality of vertical positioning grooves 311 extending vertically. The support board 32 is provided with a plurality of terminal slots (not labeled) for accommodating the contact terminals 33. A plurality of conductive holes 342 are provided on the sub-circuit board 34. A plurality of magnetic elements 341 are disposed on the sub-board 34. A plurality of transfer terminals 36 are provided on the sub-board 34. A laterally projecting guide 35 is provided on the base 31 or the sub-circuit board 34.

Referring again to the fourth figure, the masking piece 4 includes an upper sheet portion 41 and a lower sheet shape extending in parallel. The portion 42 and a pair of connecting pieces 43 connecting the upper and lower sheet portions 41 and 42. The upper and lower sheet portions 41 and 42 and the connecting piece 43 are respectively provided with elastic pieces 44.

Referring to the first to seventh figures, when the electrical connector 100 is assembled, four first terminals 21 and one second terminal 22 are first punched out from the same tape. The first and second terminals 21 and 22 respectively have first and second conductive portions 211 and 221 provided with first and second contact arms 2111 and 2211, first and second connecting portions 212 and 222, and first and second portions. Two welded portions 213, 223. A rib 224 for increasing the strength of the second contact arm 2211 is disposed on the second conductive portion 221 of the second terminal 22. The width of the second contact arm 2211 of the second terminal 22 is made smaller than the width of the first contact arm 2111 of the first terminal 21 by the blanking. A universal serial bus interface 11 having a tongue plate 12 is provided, and four first terminal slots 121 and one second terminal slot 122 are disposed on the lower surface of the tongue plate 12. The first and second terminals 21 and 22 are arranged side by side in the width direction of the tongue plate 12 on the lower surface of the tongue plate 12. The first and second contact arms 2111, 2211 of the first and second terminals 21, 22 are exposed to the first and second terminal slots 121, 122 of the tongue 12 and protrude toward the universal serial bus interface 11. The first and second terminals 21, 22 are elastically deformable in the corresponding first and second terminal slots. The second terminal 22 is at the same height as the first terminal 21. The first and second welded portions 213 and 223 of the first and second terminals 21 and 22 are held in the positioning groove 311. In conjunction with the fifth figure, the first and second welded portions 213, 223 are coplanar. When the docking element (not shown) is inserted or not inserted into the universal serial bus interface 11, the second terminal 22 remains non-contact with the first terminal 21.

The shielding piece 4 is mounted on the insulative housing 1 such that the upper sheet portion 41 is inserted between the tongue plate 12 and the upper wall 13 and snapped into the upper locking groove 182. At the same time, the lower sheet portion 42 is inserted between the tongue plate 12 and the module interface 19 and snapped into the lower snap groove 183. Upper and lower sheets of the mask 4 The portions 41 and 42 are respectively shielded from the upper and lower sides of the tongue plate 12.

Then, the sub-board 34 on which the magnetic member 341 is mounted is placed in the accommodating cavity 312 of the susceptor 31 and abuts against the abutting portion 313. The contact terminal 33 is received in the terminal groove of the support plate 32, and the trailing end of the contact terminal 33 is soldered into the conductive hole 342 of the sub-board 34. The guiding portion 35 of the conductive module 3 is inserted into the insulative housing 1 along the guiding groove 181 of the insulative housing 1 while the contact portion 331 of the contact terminal 33 protrudes into the module interface 19. Finally, the first and second shielding covers 51 and 52 are assembled on the front and rear sides of the insulative housing 1.

The Universal Serial Bus interface standard includes the 2.0 and 3.0 standards of the same width. The width of the tongue 12 is the same as the width of the universal serial bus 2.0 standard tongue and the 3.0 standard tongue. The width and arrangement of the first terminal slot 121 of the tongue plate 12 are also the same as the corresponding structure of the Universal Serial Bus Interface 2.0 standard or 3.0 standard. The invention adds a second terminal 22 to the universal serial bus 2.0 standard interface. In other embodiments, a second terminal 22 can be added to the universal serial bus 3.0 standard interface.

The present invention provides a second terminal groove 122 in a space between the outermost first terminal groove 121 and the edge of the tongue plate 12. The width of the second terminal groove 122 is smaller than the width of the first terminal groove 121 due to space limitations. The second terminal 22 corresponding to the second terminal slot 122 is a signal control terminal. The second terminal 22 is electrically connected to a conductive path (not shown) for performing switching control on a circuit board (not shown), functions as a switch terminal, and is used for transmission or interruption of a control signal. Compared with the universal serial bus standard interface, the universal serial bus interface 11 of the present invention adds a circuit control function by providing the second terminal 22, so that the circuit signal can be better controlled, and the tongue board 12 and the universal serial bus interface 11 are The width will not increase.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application 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 above embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

1‧‧‧Insulating body

11‧‧‧Universal Serial Bus Interface

12‧‧ ‧ tongue

121‧‧‧First terminal slot

122‧‧‧Second terminal slot

18‧‧‧ side wall

19‧‧‧Modular interface

21‧‧‧First terminal

213‧‧‧First Welding Department

22‧‧‧second terminal

223‧‧‧Second welding department

Claims (23)

An electrical connector comprising: an insulative housing having a universal serial bus interface, wherein a tongue plate is disposed in the universal serial bus interface, and four first terminal slots and a second terminal slot are disposed on the tongue plate; a plurality of universal serial bus terminals mounted in the insulating body, the universal serial bus terminal includes four first terminals corresponding to the first terminal slots and one second terminal corresponding to the second terminal slots, the first The second terminal is arranged side by side in the width direction on the same side of the tongue plate. The electrical connector further includes a terminal module, and the insulating body includes a module for accommodating the terminal module under the universal serial bus interface. At least one side wall of the insulative housing is provided with a guiding slot, and the terminal module protrudes laterally with a guiding portion that cooperates with the guiding slot. The electrical connector of claim 1, wherein the first and second terminals are punched out from the same strip. The electrical connector of claim 1, wherein the first and second terminals remain non-contact. The electrical connector of claim 1, wherein the second terminal slot is juxtaposed with the first terminal slot and the width of the second terminal slot is smaller than the width of the first terminal slot. The electrical connector of claim 1, wherein the second terminal is at the same height as the first terminal. The electrical connector of claim 1, wherein the first and second terminals each include a conductive portion having a contact arm, a connecting portion, and a soldering portion, wherein the contact arm is provided Set in a cantilever shape with elasticity. The electrical connector of claim 6, wherein the conductive portion of the second terminal is provided with a rib for enhancing the strength of the contact arm. The electrical connector of claim 6, wherein the width of the contact arm of the second terminal is smaller than the width of the contact arm of the first terminal. The electrical connector of claim 6, wherein the welded portions of the first and second terminals are at least partially coplanar. The electrical connector of claim 1, wherein the first terminal comprises a power terminal, a ground terminal, a pair of signal terminals located between the power terminal and the ground terminal, and the second terminal is adjacent to the ground terminal, Keep away from the power terminals. The electrical connector of claim 1, wherein the first and second terminal slots are disposed on a lower surface of the tongue plate. The electrical connector of claim 1, wherein the first and second terminal slots respectively provide an elastic deformation space for the first and second terminals. The electrical connector of claim 1, wherein the insulative housing comprises a pair of side walls and an opening formed between the rear portions of the pair of side walls. The electrical connector of claim 13, wherein the opening of the insulating body is provided with a horizontally extending supporting wall, and the supporting wall is provided with the first and second terminal slots of the tongue plate for receiving The plurality of first and second terminals are inserted into the slots. The electrical connector of claim 1, wherein the electrical connector further comprises a shielding sheet cooperating with the universal serial bus interface, the shielding sheet comprising being inserted into the universal serial bus interface and being shielded from a sheet-like portion on the tongue and the lower side. A method for assembling an electrical connector, comprising the steps of: (1) punching four first terminals and one second terminal from the same strip, the first and second terminals respectively having a conductive portion, a connecting portion and a soldering portion provided with a contact arm; (2) a width of the contact arm of the second terminal is smaller than a width of the contact arm of the first terminal by the stripping; (3) providing a universal serial with a tongue a bus interface, and four first terminal slots and a second terminal slot are disposed on one side of the tongue plate, the electrical connector further comprising a terminal module having a guiding portion and an insulating body for receiving the terminal module, The terminal module includes a base having a receiving cavity, and the insulating body is provided with a guiding groove on at least one side thereof; (4) the first and second terminals are arranged side by side on the one side of the tongue plate, first and second The terminal may be elastically deformed in the corresponding first and second terminal slots; (5) providing a sub-circuit board having a magnetic component, the sub-circuit board being loaded into the receiving cavity of the base, the sub-board Providing a plurality of conductive holes; (6) providing a plurality of contact terminals, fixing the contact terminals to the base, and soldering the tail ends of the contact terminals to the conductive holes on the sub-circuit board; (7) The guiding portion of the conductive module is loaded into the insulating body along the guiding groove of the insulating body. The method of assembling an electrical connector according to claim 16, wherein in the step (1), a rib for increasing the strength of the contact arm is disposed on the conductive portion of the second terminal. The method of assembling the electrical connector of claim 16, wherein in the step (3), the first and second terminal slots are arranged side by side on the lower surface of the tongue plate. The method of assembling an electrical connector according to claim 16, wherein in the step (4), the second terminal and the first terminal are arranged side by side in the width direction of the tongue plate. The method of assembling an electrical connector according to claim 19, wherein in the step (4), the second terminal and the first terminal are disposed at the same height. The method of assembling an electrical connector according to claim 19, wherein the soldering portions of the first and second terminals in the step (4) are at least partially coplanar. The method of assembling an electrical connector according to claim 21, wherein the soldering portions of the first and second terminals in the step (4) are coplanar along a plane perpendicular to a plane of the tongue plate. . The method of assembling the electrical connector of claim 16, further comprising the step of providing a shielding sheet and covering the shielding sheet on the lower side of the tongue.