TWI599114B - Electrical receptacle connector - Google Patents

Description

Socket electrical connector

The invention relates to a socket electrical connector.

For a prior art, please refer to Japanese Patent No. JP4875130, published on Dec. 2, 2011, which discloses a similar socket electrical connector including a metal case provided with a through hole, a terminal disposed in the metal case, and covered by integral injection molding. The insulating body on the periphery of the metal shell is integrally disposed with the metal shell through the insulating body. However, the root of the tongue of the socket electrical connector is weak and easily broken, and the electrical connector of the socket is not waterproof at the root of the tongue, and the liquid can easily enter through the through hole of the metal shell through the root of the tongue. The back end of the connector even reaches the docking board. In addition, U.S. Patent No. 7,862,199 discloses an I/O socket connector in which a tongue is integrally formed with a reinforcing member for reinforcing the strength of the tongue, but between the reinforcing member and the terminal in the foregoing case. There is no fixed/positioning method set. Nowadays, the connector is becoming smaller and smaller, the thickness of the tongue is very thin, and the distance between the reinforcing member and the terminal is also small. When forming the insulating body, the problem of overlapping short between the reinforcing member and the terminal is easy.

Therefore, it is indeed necessary to provide a socket electrical connector with good tongue strength and stable positioning between the terminal and the reinforcing member to solve the above technical problem.

The technical problem to be solved by the present invention is to provide a tongue with good strength and terminal and plus Positioning stable electrical connector between strong parts.

In order to solve the above technical problem, the present invention adopts the following technical solution: a socket electrical connector includes a plurality of terminals, an insulative body injection molded with the terminal, the insulative housing includes a rear end portion and a rear end portion a tongue plate for abutting with the mating connector, the tongue plate includes an oppositely disposed upper surface, a lower surface, a side surface on both sides, and an end surface located at a front end edge of the tongue plate, the terminal including the gap a fixing portion fixed to the lower surface of the tongue plate and partially exposed outside the lower surface, a fixing portion extending rearwardly along the rear end of the length portion and being bent and fixed to the rear end portion, and a fixing portion along the fixing portion end The edge is bent and extends out of the abutting portion of the insulating body, the socket electrical connector further includes a reinforcing member, the reinforcing member includes a main board covering the upper surface of the tongue plate and rearward along a rear end edge of the main board a fixing plate fixed in the rear end portion of the insulating body, wherein the upper surface of the upper surface of the tongue plate of the insulating body is recessed downwardly to form a groove, and the groove penetrates the tongue plate Rearwardly extending end surface, the groove, the length of the reinforcing board and the terminal part of the member is at least partially overlap in the thickness direction of the tongue plate.

Further, the reinforcing member includes a front end plate bent along the front edge of the main board, the front end plate covers the front end surface of the tongue plate, and the front end plate is formed with a through hole at a position adjacent to the main board. The hole is connected to the groove.

Further, the through hole penetrates the front edge portion of the main board, and the length of the groove is longer than the length of the through hole in the length direction of the terminal.

Further, the number of the through holes, the grooves, and the terminals is the same.

Further, the free end of the length portion of the terminal is bent upward to form an end edge portion, and the width of the free end of the end edge portion is wider than the length portion along the terminal arrangement direction. The width is narrow, and the end edge protrudes into the groove and is flush with the inner wall surface of the groove.

Further, the rear end portion of the insulating body is provided with a rear surface, the rear surface is recessed inwardly to form a horizontal groove, and the fixing portions of the horizontal groove, the reinforcing member and the terminal at least partially overlap in the thickness direction of the tongue plate.

Further, the rear surface of the rear end of the insulating body is recessed inwardly to form a vertical slot into which the mold of the positioning terminal is inserted, the vertical slot is in communication with the horizontal slot, and the fixing portion is "┐" type and at least The insulating body is partially exposed from the horizontal groove and the vertical groove.

Further, the socket electrical connector further includes a metal shell integrally formed and fixed with the insulating body, the metal shell including a top plate and a bottom plate disposed opposite to each other, and two side walls connecting the two sides of the top plate and the bottom plate, The top plate, the bottom plate and the side wall are collectively arranged to be inserted into the through hole of the mating connector, and the tongue plate protrudes into the through hole.

Further, the top plate protrudes upwardly from the two sides to form a buckle portion that is engaged with the mating connector, and the buckle portion is raised upward from the top plate and does not penetrate the top plate.

Further, the insulative housing further includes a peripheral portion that covers at least the top plate and the side wall except the snap portion.

Compared with the prior art, the present invention is formed with a through hole at the front end plate of the reinforcing member, a groove formed at the front edge of the tongue plate of the insulating body, and a horizontal groove formed at the end portion for forming the insulation. The positioning of the positioning terminal and the reinforcing member of the body is inserted to position the terminal and the reinforcing member to prevent the terminal from being short-circuited with the reinforcing member.

100‧‧‧Socket electrical connector

1‧‧‧Metal shell

10‧‧‧through holes

11‧‧‧ top board

111‧‧‧Snaps

12‧‧‧floor

121‧‧‧Fixed feet

122‧‧‧Let the mouth

123‧‧‧ joint seam

13‧‧‧Side wall

131‧‧‧welding board

2‧‧‧ terminals

21‧‧‧ Length section

210‧‧‧End edge

22‧‧‧ Fixed Department

23‧‧‧Docking Department

3‧‧‧Insulation body

31‧‧‧ tongue plate

311‧‧‧ Groove

312‧‧‧ upper surface

313‧‧‧ lower surface

314‧‧‧ side

315‧‧‧ front face

32‧‧‧The outer part

321‧‧‧through hole

33‧‧‧ Back end

331‧‧‧Back surface

332‧‧‧Menren trough

3321‧‧‧ horizontal trough

3322‧‧‧ vertical slot

4‧‧‧Strength

40‧‧‧through holes

41‧‧‧ motherboard

42‧‧‧ side panels

43‧‧‧ front panel

44‧‧‧ fixed board

The first figure is a perspective view of the socket electrical connector of the present invention; the second figure is a perspective view of the socket electrical connector shown in the first figure at another angle; the third figure is the socket electrical connector shown in the first figure. A perspective view of the socket electrical connector shown in the first figure; the fifth diagram is a cross-sectional view of the receptacle electrical connector shown in the first figure from the VV line.

Referring to FIG. 1 to FIG. 5 , the socket electrical connector 100 of the present invention comprises a metal shell 1 , a terminal 2 partially disposed in the metal shell 1 , and a periphery of the metal shell 1 and having a protruding portion. The insulating body 3 of the tongue plate 31 in the metal shell 1 and the reinforcing member 4 fixed to the tongue plate 31. The terminal 2, the metal shell 1 and the reinforcing member 4 are integrally molded and fixed with the insulating body 3. As shown in the first figure, for the convenience of the following description, the docking end of the socket electrical connector 100 is regarded as the front end, and the other end is regarded as the rear end, and the surface of the top plate 11 of the metal shell 1 is regarded as the upper side, and the metal shell 1 is The surface on which the bottom plate 12 is located is regarded as the bottom.

Referring to FIG. 2 and FIG. 4, the metal shell 1 is formed by stamping and bending a metal plate, including an oppositely disposed top plate 11 and a bottom plate 12, and two side walls connecting the top plate 11 and the bottom plate 12 on both sides. 13. The top plate 11, the bottom plate 12, and the side wall 13 are collectively provided for inserting the through hole 10 of the mating connector (not shown) and forming a joint slit 123 at a position intermediate the top plate 11. The top plate 11 protrudes upwardly from the two sides to form a latching portion 111. The latching portion 111 is swelled upward from the top plate 11 and does not penetrate the top plate 11. The latching portion 111 is used for the mating connector. The matching structure is buckled and matched. The joint between the bottom plate 12 and the side wall 13 is formed by press bending to form a welded plate 131 for fixing the metal shell 1 to a mating circuit board (not shown), and the welded plate 131 is perpendicular to the bottom plate 12. The two sides of the rear end of the bottom plate 12 are vertically bent upward to form a fixing leg 121 The fixing leg 121 is fixed in the insulative housing 3 for reinforcing the holding force between the metal shell 1 and the insulative housing 3. A rectangular retaining port 122 is formed in the center of the rear end edge of the bottom plate 12, and the retaining port 122 is used for the position terminal 2.

Referring to FIG. 2, FIG. 4 and FIG. 5, the terminal 2 is formed by stamping and bending a metal plate, and includes a tongue plate 31 which is spaced and fixed in the insulating body 3 and partially exposed under the tongue plate 31. a length portion 21 for externally contacting the mating connector, a fixing portion 22 (refer to FIG. 5) and a fixed portion of the substantially "┐" type extending rearwardly and vertically bent along the rear end of the length portion 21 The end edge of the portion 22 is bent vertically and extends out of the abutting portion 23 outside the insulative housing 3 for contact with the mating circuit board. The free end of the length portion 21 is bent upward to form an end edge portion 210, and in the direction in which the terminals 2 are arranged, the width of the free end of the end edge portion 210 is narrower than the width of the length portion 21 to prevent the end edge portion 210. The reinforcing member 4 is short-circuited, and the length portion 21 of the terminal 2 and the reinforcing member 4 are respectively exposed on different surfaces of the tongue plate 31.

Referring to the first to fifth figures, the insulative housing 3 is fixedly disposed by injection molding with the terminal 2, the metal shell 1 and the reinforcing member 4. The insulative housing 3 includes a tongue plate 31 integrally provided with the length portion 21 of the terminal 2, a peripheral portion 32 covering the outer periphery of the metal shell 1 and a rear end opening 33 of the through hole 10 of the sealing metal shell 1 The tongue 31 is formed to extend forward along the rear end portion 33. In the embodiment, the outer peripheral portion 32 of the insulative housing 3 does not completely cover the entire outer circumference of the metal shell 1. The outer peripheral portion 32 covers only the top plate 11 and the side wall 13 except the buckle portion 111, and is additionally filled. A portion and a gap between the through hole 10 at the bottom plate 12 and the outside of the metal shell 1 are formed. The design in this embodiment is designed to ensure the miniaturization and slimming of the socket electrical connector 100 after the entire molding is ensured. In other embodiments, the insulative housing 3 can also completely cover the top plate 11, the side wall 13, and the bottom plate 12 of the outer periphery of the metal shell 1. The through hole 10 has a rear end opening.

A through hole 321 is reserved at a position corresponding to the outer peripheral portion 32 of the insulative housing 3 and the latch portion 111 of the metal shell 1. The through hole 321 is configured to receive the latching portion 111 . In the embodiment, the latching portion 111 protrudes from the through hole 321 on the upper surface of the insulative housing 3 . The rear end portion 33 of the insulative housing 3 defines a rear surface 331, and the rear surface 331 is recessed inwardly to form a mold slot 332 for placing the mold core. The die slot 332 includes a horizontal slot 3321 at least partially between the reinforcing member 4 and the terminal 2, and a vertical slot 3322 disposed in communication with the horizontal slot 3321 at the rear end of the fixing portion 22 of the terminal 2, and the The horizontal groove 3321, the reinforcing member 4, and the fixing portion 22 of the terminal 2 at least partially overlap in the thickness direction of the tongue plate 31. In addition, the mold slot 332 and the tongue 31 of the insulative housing 3 are spaced apart by a specific distance in the extending direction of the length portion 21 of the terminal 2 (refer to FIG. 5), that is, the mold inserted into the mold groove 332. The tongue plate 31 is spaced apart from the plastic to ensure the strength of the tongue 31 and the waterproof performance of the root of the tongue 31. When the insulating body 3 is injection molded, a positioning die (not shown) is inserted into the horizontal groove 3321 for positioning the terminal 2 and the reinforcing member 4 to prevent the terminal 2 from overlapping with the reinforcing member 4. Another positioning mold is inserted into the vertical groove 3322 for positioning the terminal 2 to prevent the terminal 2 from retreating.

Referring to the first, fourth and fifth figures, the tongue plate 31 defines an oppositely disposed upper surface 312, a lower surface 313, a side surface 314 on both sides, and an end surface 315 located before the front edge of the tongue 31. . The reinforcing member 4 is formed by stamping and bending a metal sheet. The main board 41 covering the upper surface 312 of the tongue plate 31, the side plate 42 extending along the two side edges of the main plate 41 and covering the two side faces 314 of the tongue plate 31, and extending along the front edge of the main plate 41 are formed to cover The front end plate 315 of the front end surface 315 of the tongue plate 31 and the fixing plate 44 extending rearwardly along the rear end edge of the main plate 41 are fixed to the end portion 33 of the insulating body 3. A plurality of positions of adjacent main boards 41 on the front end plate 43 are formed through the board for connection The through hole 40 of the bit mold, the number of the through holes 40 is equal to the number of the terminals 2. In the embodiment, the through hole 40 also penetrates the front edge portion of the main board 41.

Referring to the first, fourth and fifth figures, the front edge of the upper surface 312 of the tongue plate 31 of the insulative housing 3 is recessed downwardly with a plurality of grooves 311, and the groove 311 extends through the tongue plate. 31 front face 315. The through holes 40 are disposed in one-to-one correspondence with the grooves 311, and the length of the grooves 311 is greater than the length of the through holes 40 in the longitudinal direction of the terminal 2 (refer to FIG. 5). The groove 311 extends rearward along the front end edge of the tongue 31 and is located above the end edge portion 210 of the length portion 21 of the terminal 2. The end edge portion 210 of the terminal 2 is exposed from the inside of the groove 311 and is flush with the surface of the groove 311 (refer to FIG. 5). The groove 311, the main plate 41 of the reinforcing member 4, and the length portion 21 of the terminal 2 at least partially overlap in the thickness direction of the tongue plate 31 (refer to FIG. 5). When the insulating body 3 is injection molded, the mold of the positioning mold passes through the through hole 40 and is respectively abutted under the main plate 41 and the end edge portion 210 of the terminal 2 for positioning the terminal 2 and the reinforcing member 4 The front end of the terminal 2 is prevented from overlapping with the front end of the reinforcing member 4.

In the present invention, the through hole 40 is formed at the front end edge of the reinforcing member 4 for positioning the mold core when the insulating body 3 is formed, and the terminal 2 and the reinforcing member 4 are positioned to prevent the terminal 2 and the reinforcing member 4 during molding and after molding. The front edge is overlapped. In addition, after the molding, the rear end of the insulating body 3 is formed with a mold groove 332, wherein the mold groove 332 includes a horizontal groove 3321 between the reinforcing member 4 and the terminal 2. When the insulating body 3 is formed, the positioning mold is inserted into the terminal. 2 and the rear end of the reinforcing member 4 is used for positioning the terminal 2 and the reinforcing member 4. The terminal 2 and the rear edge of the reinforcing member 4 are prevented from overlapping at the time of molding and after molding. Thereby, it is ensured that the terminal 2 and the reinforcing member 4 are insulated from each other during the entire molding process and after the molding. The defective product caused by the short circuit between the terminal 2 and the reinforcing member 4 is reduced.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. please. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto. Equivalent modifications or variations made by those skilled in the art in the spirit of the present invention are still included in the scope of the appended claims.

100‧‧‧Socket electrical connector

111‧‧‧Snaps

12‧‧‧floor

131‧‧‧welding board

21‧‧‧ Length section

210‧‧‧End edge

22‧‧‧ Fixed Department

23‧‧‧Docking Department

31‧‧‧ tongue plate

311‧‧‧ Groove

313‧‧‧ lower surface

32‧‧‧The outer part

33‧‧‧ Back end

332‧‧‧Menren trough

3321‧‧‧ horizontal trough

3322‧‧‧ vertical slot

4‧‧‧Strength

40‧‧‧through holes

Claims (10)

A socket electrical connector comprising a plurality of terminals, an insulative body injection molded with the terminal, the insulative housing comprising a rear end portion and a tongue extending forwardly along the rear end portion for abutting the mating connector a plate, the tongue plate includes an oppositely disposed upper surface, a lower surface, a side surface on both sides, and an end surface located at a front end edge of the tongue plate, the terminal including a portion arranged at intervals on the lower surface of the tongue plate and partially a length portion exposed outside the lower surface, a fixing portion extending rearwardly along the rear end of the length portion and being bent and fixed to the rear end portion, and a bent portion extending along an edge of the fixing portion and extending outside the insulating body, The socket electrical connector further includes a reinforcing member, the reinforcing member comprising a main board covering the upper surface of the tongue plate and a fixing plate extending rearward along the rear end edge of the main board and fixed in the rear end portion of the insulating body The feature is that the front edge of the upper surface of the tongue of the insulating body is recessed downwardly to form a groove, and the groove extends through the front end surface of the tongue plate and extends backward, the groove and the groove The length of the main panel member and the terminal portion is at least partially overlap in the thickness direction of the tongue plate. The socket electrical connector of claim 1, wherein the reinforcing member comprises a front end plate bent along a front edge of the main plate, the front end plate covering a front end surface of the tongue plate, the front end plate A through hole is formed through the adjacent main board position, and the through hole is provided in communication with the groove. The socket electrical connector of claim 2, wherein the through hole penetrates a front edge portion of the main board, and a length of the groove is greater than the through hole in a length direction of the terminal The length. The socket electrical connector of claim 2, wherein the number of the through holes, the grooves and the terminals are the same. The socket electrical connector of claim 1, wherein the length of the terminal is The free end is bent upward to form an end edge portion, and in the terminal arrangement direction, the width of the free end of the end edge portion is narrower than the width of the length portion, and the end edge portion protrudes into the groove and The inner wall surface of the groove is flush. The socket electrical connector of claim 1, wherein the rear end of the insulating body is provided with a rear surface, the rear surface is recessed inwardly to form a horizontal groove, and the horizontal groove, the reinforcing member and the terminal The fixing portions at least partially overlap in the thickness direction of the tongue plate. The socket electrical connector of claim 6, wherein the rear surface of the rear end of the insulating body is recessed inwardly to form a vertical slot into which the mold of the positioning terminal is inserted, the vertical slot and the horizontal slot. In communication, the fixing portion has a "┐" shape and at least partially exposes the insulative body from the horizontal groove and the vertical groove. The socket electrical connector according to any one of claims 1 to 7, wherein the socket electrical connector further comprises a metal shell integrally formed and fixed with the insulating body, the metal shell including a relative a top plate and a bottom plate, and two side walls connecting the top plate and the bottom plate, the top plate, the bottom plate and the side wall are collectively arranged for inserting a through hole of the mating connector, the tongue plate protruding to the Inside the through hole. The socket electrical connector of claim 8, wherein the top plate protrudes upwardly from the two sides to form a buckle portion that is engaged with the mating connector, and the buckle portion is raised upward from the top plate and Not penetrating the top plate. The socket electrical connector of claim 9, wherein the insulative housing further comprises a peripheral portion, the outer peripheral portion covering at least a top plate and a side wall other than the buckle portion.