TWM500384U - Electrical connector assembly - Google Patents

Description

Electrical connector assembly

The present invention relates to an electrical connector assembly in which a plug connector can be inserted into a corresponding receptacle connector in both forward and reverse directions.

U.S. Patent Application Publication No. 20130095702A1 discloses a two-way plug connector having a plug connector having opposing upper and lower surfaces, a plurality of conductive terminals being disposed on the upper and lower surfaces. The conductive terminals exposed to the upper and lower surfaces are symmetrically spaced from each other, and the shape of the connector is substantially 180 degrees symmetric so that it can be inserted into the corresponding receptacle connector in the forward and reverse directions.

However, the socket connector or the inside of the electronic device needs to be provided with a switching circuit to detect whether the plug connector is inserted in the forward direction or reversely inserted, thereby starting the corresponding subsequent program. The more the terminals of the connector, the more complicated the switching circuit, and thus, the trend is not met.

Therefore, it is desirable to design a new type of solution to improve the above problems.

The purpose of this creation is to provide an electrical connector assembly in which the plug connector can be inserted into the corresponding receptacle connector in both the forward and reverse directions, and has good mechanical and electrical properties.

The purpose of the present invention is achieved by the following technical solutions: an electrical connector assembly including a first connector and a second connector that are butted into each other, and the second connector can be inserted into the first connector in both directions, first The connector includes an insulative housing, a shielding shell covering the outer side of the insulative housing, and two rows of terminals. The insulative housing is provided with a forwardly extending receiving cavity. The receiving cavity has two opposite inner surfaces and two opposite lateral inner sides. The two inner surfaces are respectively arranged with the two rows of terminals; the lateral inner side surfaces of the receiving cavity are respectively provided with metal fastening terminals, and the fastening terminals have a contact portion on the front side, a pin on the rear side, and a connection between the two. In the intermediate portion, the contact portions of the two fastening terminals face each other.

The purpose of the present invention can also be achieved by the following technical solutions: an electrical connector assembly including a plug connector and a socket connector, wherein the plug connector can be inserted into the socket connector in both directions, the plug connector has docking a tongue plate and a terminal, the butt tongue has opposite surfaces and two opposite lateral sides, the terminal includes a contact portion, and the contact portions of the terminal are respectively disposed on two surfaces of the abutting tongue; the socket connector includes forward a terminal for the socket housing is arranged on the opposite inner wall surfaces of the receiving cavity; the lateral side of the mating tongue of the plug connector is provided with a fastening terminal, and the fastening terminal has a notch structure; The lateral inner side of the receiving cavity of the socket connector is provided with a fastening terminal, and the fastening terminal has an elastic contact portion; when the two connectors are butted, the elastic contact portion of the fastening terminal of the socket connector is fastened to the plug connection Inside the notch structure of the latching terminal of the device.

Compared with the prior art, the present invention has the following effects: the electrical connector combination of the present invention can provide the latching effect when the two connectors are docked by providing the fastening terminal.

100‧‧‧ plug connector

22‧‧‧ Terminal

101‧‧‧ terminal block

221‧‧‧Contacts

102‧‧‧Connecting tongue

222‧‧‧ feet

11‧‧‧Internal circuit board

223‧‧‧ fixed department

111, 112‧‧‧ conductive gasket

23‧‧‧Shaded housing

113‧‧‧ gap structure

231‧‧‧ pins

13‧‧‧Insulated body

232‧‧‧Elastic film

131‧‧‧Fixed holes

24‧‧‧shading board

132‧‧‧ key structure

241‧‧‧Shrap

133‧‧‧ openings

28‧‧‧Power terminal

14‧‧‧ Terminal

281‧‧‧Contacts

141‧‧‧Contacts

282‧‧‧ pins

15‧‧‧First shielding shell

83‧‧‧Intermediate

16‧‧‧Second shielding shell

300‧‧‧ plug connector

151, 161‧‧‧ EMI contact

31‧‧‧Internal circuit board

152‧‧‧Fixed holes

311‧‧‧ Front conductive gasket

161‧‧‧ lugs

312‧‧‧After conductive gasket

17‧‧‧Injection housing

32‧‧‧Power clip

18‧‧‧Power terminal

33‧‧‧Upper insulation body

181‧‧‧ fixed ear

331‧‧‧Upper terminal

182‧‧‧ gap structure

34‧‧‧Insulated body

183‧‧‧ recessed area

341‧‧‧ lower terminal

200‧‧‧ socket connector

35‧‧‧Shielding shell

201‧‧‧ containment chamber

351‧‧‧EMI Contact

21‧‧‧Insulated body

36‧‧‧Insulated housing

211‧‧‧Terminal slot

37‧‧‧ Cable

213, 214‧‧ ‧ hollow

371‧‧‧core

216‧‧‧ receiving trough

90‧‧‧ Cable

217‧‧‧Terminal slot

91‧‧‧Circuit board

The first figure is a perspective view of the electrical connector assembly of the first embodiment of the present invention;

The second figure is a perspective view of the plug connector shown in the first figure;

The third figure is an exploded perspective view of the plug connector shown in the second figure;

4 to 8 are perspective views showing the assembly process of the plug electrical connector shown in the second figure;

Figure 9 is a cross-sectional view showing the upper terminal, the lower insulating body, the internal circuit board, and the fastening terminal shown in the fifth figure;

Figure 10 is a perspective view of the socket connector and the circuit board shown in the first figure;

Figure 11 is an exploded perspective view of the socket connector shown in the tenth figure;

Figure 12 is a front view of the socket connector insulating body shown in Figure 11;

Figure 13 is a rear elevational view of the socket connector insulative body shown in Figure 11;

Figure 14 is a vertical sectional view of the socket connector shown in the tenth figure, wherein the metal casing and the power terminal are removed;

Figure fifteen is a horizontal cross-sectional view of the socket connector shown in the tenth figure, wherein the metal casing is removed;

Figure 16 is a perspective view of the plug connector of the second embodiment of the present invention;

Figure 17 is an exploded perspective view of the plug connector shown in Figure 16;

Figure 18 is a plan view of the plug connector shown in Figure 16;

Figure 19 is a side view of the plug connector shown in Figure 16;

Figure 20 is a perspective view of the receptacle connector with the plug connector shown in Figure 16; and

Figure 21 is a cross-sectional view of the plug connector and receptacle connector shown in Figure 20.

The first to fifteenth drawings show the first embodiment of the present invention, wherein the combination includes a first connector (in the present embodiment, the first connector is a socket connector 200 mounted on the circuit board 91) and The second connector (in the present embodiment, the second connector is a plug connector 100 connected to the cable 90), the plug connector 100 of the embodiment is an exposed flat structure, which can be inserted in both directions. Socket connector 200. As shown in the second and third figures, the plug connector 100 includes a butt tongue 102. The two surfaces of the butt tongue 102 are embedded with a flat terminal contact portion 141 and an electromagnetic interference (EMI) EMI. The contact portions 151, 161, the EMI contact portions 151, 161 project from the injection molded casing 17.

Referring to the third figure, the plug connector 100 includes an inner circuit board 11 and an insulative housing 13. The inner circuit board 11 has conductive pads 111, 112 on opposite sides thereof, and the insulative body is composed of two identical insulative bodies 13. The internal circuit board 12 is sandwiched together. Each of the insulative housings 13 is provided with a terminal 14 which is fixed to the insulative housing 13 by an injection molding method. A pair of power terminals 18 (also referred to as Vbus terminals in the USB specification) are respectively located on the lateral sides of the internal circuit board 11, and each of the power terminals 18 is sandwiched between the internal circuit board 11 and the insulative housing 13, and the power terminal 18 It is formed by stamping a metal strip, and the power terminal 18 is placed vertically. As shown in the sixth figure, a pair of insulating bodies 13 having terminals 14 sandwich the internal circuit board 11 and have a power terminal 18 embedded therein to form a terminal block 101. The first and second shielding shells 15 and 16 respectively cover the terminal block 101 from both sides, each shielding housing has the above-mentioned EMI contact portions 151 and 161, and the EMI contact portions 151 and 161 are located behind the contact portion 141 of the terminal. As shown in the eighth figure. The front structure of the insulative housing 13 forms abutting tongue 102, and the contact portion 141 and the EMI contact portions 151, 161 are exposed outside the mating tongue 102. The injection molded housing 17 is injection molded on the outside of the shield housings 15, 16, and the cable 90 is connected to the internal circuit board 11 and extends rearward out of the injection molded housing 17.

The assembly process is described below. In the first step, as shown in the fourth figure, the power terminal 18 is inserted into the insulative housing 13 below, and the fixing ear 181 provided on the power terminal 18 is received in the fixing hole 131 of the insulative housing 13. In the second step, as shown in the fifth figure, the inner circuit board 11 is placed in the lower insulative housing 13, and the inner circuit board 11 is surrounded by the power supply terminal 18. In the third step, as shown in the sixth figure, the upper insulating body 13 is mounted on the lower insulating body 13. The key structure 132 of the insulating body 13 allows the two insulating bodies 13 to be assembled with each other to form the terminal block 101 together. . In the fourth step, as shown in the seventh figure, the terminal block 101 is assembled to the lower second shield case 16. In the fifth step, as shown in the eighth figure, the first shielding case 15 is assembled to the second shielding case 16. In the sixth step, as shown in FIG. 8 , the first and second shielding shells 15 , 16 are fixed together, and the lug 160 of the second shielding shell 16 is received in the fixing hole 150 of the first shielding shell 15 . . In the seventh step, the lug 162 of the second shielding shell is bent to the first shielding shell 15. In the eighth step, the cable 90 is assembled to the internal circuit board 11 and fixed by the first and second shield housings 15, 16, and then the insulated injection molded housing 17 is injection molded. It is to be noted that the contact portion 141 and the EMI contact portions 151, 161 are exposed on the front side of the injection molded casing 17. After the third step, before the fourth step, all the terminals 14 and the power terminals 18 are soldered to the conductive pads 111 of the internal circuit board 11 by infrared reflow soldering, and the notch structure 182 of the power terminals 18 is soldered inside. The circuit board corresponds to the notch structure 113. The power terminal 18 includes a recessed area 183 that is exposed by the opening 133 of the insulative housing 13 that is assembled together. The recessed area 183 has a certain elasticity for interlocking with the power terminal 28 of the docked receptacle connector 200. The buckles are in contact with each other, so that the power terminals 18 and 28 are also latching terminals. The latching terminals are formed by bending a metal plate and bent, and the notch structure is formed by bending a plate surface of the metal plate.

Referring to the tenth to fifteenth drawings, the socket connector 200 includes an insulative housing 21, and the insulative housing 21 is provided with a forwardly extending receiving cavity 201 for receiving the mating tongue 101 of the plug connector 100. The receiving cavity 201 of the insulative housing 21 has two opposite inner surfaces (ie, upper and lower inner surfaces) and two opposite lateral inner sides (ie, left and right inner sides), and the inner surfaces are respectively provided with terminal slots 211 and two rows. The terminal 22 is housed in the terminal groove 211 and is elastically deformable in the up and down direction. Each of the terminals 22 includes a contact portion 221 on the front side, a pin 222 mounted on the circuit board 91, and a fixing portion 223 that fixes the terminal 22 to the insulative housing 21, and the contact portion 221 can be in contact with the terminal 14 of the plug connector 100. A pair of power terminals 28 are mounted on two lateral sides of the housing cavity 201, and the power terminal 28 is elastically deformable in the lateral direction, and the power terminal 28 is in contact with the power terminal 18 of the plug connector 100. Each of the power terminals 28 includes a contact portion 281 on the front side, a pin 282 on the rear side of the circuit board 91, and an intermediate portion 283 on the rear side. The contact portion 281 is configured to receive and contact the recessed portion 183 of the power terminal 18 of the plug connector 100, so as to achieve the mutual holding action of the two power terminals 18, 28, so that the power terminals 18, 28 simultaneously serve as a latching function, that is, In order to fasten the terminals, the two fastening terminals have elastic fastening terminals. It can be seen that the fastening terminals are bent and cut by a metal plate, and the contact portion 281 of the fastening terminal 28 is located on the surface of the metal plate. The intermediate portion 283 is offset from the contact portion 281 and the pin 282 by a certain distance in the lateral direction. The insulating body 21 is formed with recesses 213 and 214 at the corresponding terminal 22 and the power terminal 28 for the terminal 22 and the power terminal 28 to move outward. The insulative housing 21 is spaced apart from the intermediate portion 283 of the power terminal 28 by a distance S, as shown in the fifteenth diagram, to allow the intermediate portion 283 to be deformed toward the outer shape. In summary, the mating tongue 102 has opposite surfaces and opposite lateral sides, the terminals 14 of the plug connector 100 are disposed on opposite surfaces, and the latching terminals are disposed on the lateral sides, and the plug connector 100 is buckled. The holding terminal 18 has a notch structure 183; when the plug connector (second connector) 100 is inserted into the socket connector (first connector) 200, the contact portion 281 of the latching terminal 28 of the socket connector 200 is latched at the plug The notch structure 183 of the connector 100 is inside.

The socket connector 200 further includes a shield case 23 that is wrapped around the outside of the insulative housing 21. The shield case 23 has a pin 231 that extends downwardly from the bottom surface thereof and is mounted on the circuit board 91 and an elastic piece 232 that extends to the front edge thereof. The elastic piece 232 is used to contact the EMI contacts 151, 161 of the plug connector. The shielding plate 24 is housed in the receiving groove 216 between the two rows of terminals 22 of the insulative housing 21. The terminal slot 217 in which the grounding terminal is received communicates with the receiving groove 216. Thus, the elastic piece 241 of the shielding plate 24 passes through the terminal slot 217 and overlaps the grounding terminal. The shielding plate 24 is inserted into the receiving groove 216 through the receiving cavity 201.

The sixteenth through twenty-first figures show the electrical connector assembly of the second embodiment of the present creation. Referring to Figures 16 through 20, the plug connector 300 includes an internal circuit board 31 having a front conductive pad 311 and a rear conductive pad 312, and a U-shaped power clip 32 (i.e., a latching terminal). The power clip 32 surrounds the front and side edges of the inner circuit board 31. The upper insulative housing 33 is located on the upper surface of the inner circuit board 31 and has an upper terminal 331 which is located on the lower surface of the inner circuit board 31 and has a lower terminal 341. The upper and lower terminals 331 and 341 respectively have a contact portion on the front side and a pin on the rear side. The pins contact the front conductive pad 311, and the upper and lower shield cases 35 are assembled to surround the inner circuit board 31 and the upper and lower insulation bodies 33 and 34. An insulative housing 36 is injection molded on the outside of the shielding case 35 and the cable 37. The cable has a core wire 371, and the core wire is electrically and mechanically connected to the conductive pad 312. Each of the shielding housings 35 has a bump-shaped EMI contact portion 351 which is in contact with the elastic piece 41 when butted.

In summary, this creation is in line with the new patent requirements, and the patent application is filed according to law. However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and any equivalent modification or change made by a person familiar with the skill of the present invention in accordance with the spirit of the present invention should be It is covered by the following patent application.

24‧‧‧shading board

28‧‧‧Power terminal

283‧‧‧Intermediate

Claims (10)

An electrical connector assembly comprising:
The first connector includes:
The insulative housing is provided with a forwardly extending receiving cavity, the receiving cavity has two opposite inner surfaces and two opposite lateral inner sides;
The shielding shell is wrapped on the outer side of the insulating body; and the terminals are arranged in two rows on the two inner surfaces;
a second connector that can be mated with the first connector and can be inserted into the first connector in both forward and reverse directions;
Wherein, the lateral inner side surfaces of the receiving cavity are respectively provided with metal fastening terminals, and the fastening terminal has a contact portion on the front side, a pin on the rear side, and an intermediate portion connecting the contact portion and the pin, and the two buckles The contact portions of the terminals face each other. The electrical connector assembly of claim 1, wherein the second connector has a butt tongue, the opposite tongue has opposite surfaces and opposite lateral sides, and the opposite surfaces are provided with terminals a latching terminal is disposed on the lateral side, and the latching terminal of the second connector has a notch structure; when the second connector is inserted into the first connector, the latching terminal contact portion of the first connector is latched at The notch structure of the fastening terminal of the second connector. The electrical connector assembly of claim 2, wherein the fastening terminal of the first connector is formed by bending a metal plate, and the contact portion of the fastening terminal is located on a surface of the metal plate; The fastening terminal of the connector is formed by bending a metal plate and bending, and the notch structure is formed by bending a plate surface of the metal plate. The electrical connector assembly of claim 2, wherein the first connector further comprises a shielding plate, the shielding plate being located between the two rows of terminals of the first connector and overlapping the grounding terminal of the first connector . An electrical connector assembly comprising:
Plug connector, has:
The butt tongue has two opposite surfaces and two opposite lateral sides; and the plug terminal comprises a contact portion, and the contact portions of the terminal are respectively disposed on the two surfaces of the butt tongue;
The socket connector includes:
The receiving cavity is forwardly penetrated and has two opposite inner wall surfaces; and the socket terminals are arranged on two inner wall surfaces of the receiving cavity;
Wherein, the plug connector can be inserted into the socket connector in both the front and the rear directions, the lateral side of the mating tongue of the plug connector is provided with a fastening terminal, the fastening terminal has a notch structure; and the socket connector is received The lateral inner side surface of the cavity is provided with a fastening terminal, and the fastening terminal has an elastic contact portion; when the plug connector is docked with the socket connector, the elastic contact portion of the fastening terminal of the socket connector is buckled at the plug connector Inside the notch structure of the terminal. The electrical connector assembly of claim 5, wherein the mating tongue of the plug connector is exposed. The electrical connector assembly of claim 5, wherein the rear side of the butt tongue is covered with a shielding housing, and the shielding housing is provided with an EMI contact portion that protrudes from a surface of the abutting tongue. The electrical connector assembly of claim 7, wherein the outer side of the socket connector is covered with a shielding shell, the front edge of the shielding housing is provided with an elastic piece, and the elastic piece contacts the plug connector. EMI contact. The electrical connector assembly of claim 5, wherein the plug connector comprises an inner circuit board and upper and lower insulating bodies sandwiching the inner circuit board, and the upper and lower insulating bodies respectively have terminals of the plug connector The latching terminals of the plug connector are located on lateral sides of the inner circuit board and are clamped between the insulative housing and the inner circuit board. The electrical connector assembly of claim 9, wherein the latching terminal of the plug connector is vertically disposed.