TW201533997A - Electrical receptacle connector and method of manufacturing the same - Google Patents

Abstract

A receptacle connector includes a plurality of contacts, a metal shell, a metal part and an insulative housing molding with the contacts and the metal shell. The insulative housing has a tongue portion. The metal part includes a base plate covering on an upper surface of the tongue portion and a front plate covering on a front surface of the tongue portion. The front plate of the metal part has a plurality of holes and the insulative housing has a groove at an end part thereof for receiving Moulds. The Moulds are fixed between the contacts and the base plate of the metal part for preventing the contacts contacting with the metal part.

Description

Socket electrical connector and method of manufacturing same

The invention relates to a socket electrical connector and a manufacturing method thereof, in particular to a waterproof socket electrical connector and a manufacturing method thereof.

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 having a good waterproof effect, good tongue strength, and stable positioning between the terminal and the reinforcing member, and a manufacturing method thereof, to solve the above technical problems.

The technical problem to be solved by the present invention is to provide a socket electrical connector with good waterproof effect, good tongue strength and stable positioning between the terminal and the reinforcing member, and a manufacturing method thereof.

In order to solve the above technical problem, the present invention adopts the following technical solution: a socket electrical connector, comprising a metal shell provided with a through hole, a plurality of terminals, a reinforcing member and an insulating body partially received in the metal shell, the insulation The body includes a rear end portion and a tongue plate extending forwardly along the rear end portion for abutting the mating connector, the tongue plate including an oppositely disposed upper surface, a lower surface, sides on both sides, and a tongue a front end surface of the front end edge of the board, the terminal includes a length portion spaced apart from the lower surface of the tongue plate for abutting with the mating connector, the reinforcing member including a surface covering the tongue plate The main board and the fixing plate extending rearwardly along the rear end edge of the main board are fixed to the rear end of the insulating body, and the insulating body is integrally molded with the metal shell, the terminal and the reinforcing member.

Further, the front edge of the upper surface of the tongue of the insulating body is recessed downwardly to form a groove for inserting the mold of the positioning terminal and the reinforcing member, the groove penetrating through the front end surface of the tongue plate and along the front edge of the tongue plate Extending backwards, the length of the groove, the main plate of the tongue and the terminal portion at least partially overlap in the thickness direction of the tongue plate.

Further, the reinforcing member includes a front end plate which is bent and extended along a front edge of the main board, the front end plate covers a front end surface of the tongue plate, and the front end plate is formed with a positioning terminal and a reinforcing member at a position adjacent to the main board. The through hole is inserted into the through hole, and the through hole is disposed in communication with the groove.

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

Further, the free end of the length portion of the terminal 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 is protruded It extends into the groove and is flush with the inner wall surface of the groove.

Further, the terminal further includes a fixing portion which is formed to be rearwardly extended along the rear end of the length portion and is bent and fixed to the rear end portion, and the rear end portion of the insulating body is provided with a rear surface, and the rear surface is inwardly The recess is formed with a horizontal groove, and the fixing portion of the horizontal groove, the reinforcing member and the terminal at least partially overlaps in the thickness direction of the tongue plate, and the rear surface of the rear end portion of the insulating body is recessed inward to form a mold for positioning the terminal Inserting the vertical slot, the fixing portion at least partially exposing the insulative housing from the horizontal slot and the vertical slot, and the horizontal slot and the vertical slot and the tongue of the insulative housing are spaced apart in a direction in which the length portion of the terminal extends distance.

In order to solve the above technical problem, the present invention provides a method of manufacturing a socket electrical connector: a method of manufacturing a socket electrical connector, the socket electrical connector having a terminal, a metal shell, a reinforcing member, and the terminal, the metal shell, and the reinforcement An integrally molded insulative body, the manufacturing method comprising the following steps:

(a) a stamped-formed terminal, a reinforcing member, and a metal shell, the terminal having a length portion that abuts the mating connector, a fixing portion that extends rearwardly along the rear end of the length portion and is bent and bent along the edge of the fixing portion And extending the formed abutting portion, the front end edge of the length portion of the terminal is formed with an edge portion, and the reinforcing member comprises at least a main board and a fixing plate extending rearward along a rear end edge of the main board, wherein the metal shell has the built-in a length portion of the terminal and a through hole of the main plate of the reinforcing member;

(b) inserting the length portion of the terminal from the rear end of the through hole into the through hole, inserting the main plate of the reinforcing member into the through hole from the rear end of the through hole, and the main plate is spaced apart from the length portion by a length portion Above

(c) inserting the first mold from the rear end for positioning the terminal and the rear end portion of the reinforcing member;

(d) inserting a second mold from the front end into the through hole of the metal shell for positioning the terminal and the front end portion of the reinforcing member and the metal shell;

(e) arranging a positioning mold and a peripheral mold for the metal shell;

(f) injecting plastic to form the insulating body, the insulating body, the metal member, the terminal and the metal shell are integrally disposed, and the injection molded insulating body includes a rear end portion connected to the front end surface of the rear end portion a tongue plate and a peripheral portion at least partially covering the periphery of the metal shell;

(g). Remove the above mold and cut off the terminal strip and the metal shell strip.

Further, in the step c, the first mold includes a fixed mold having a terminal and a reinforcing member spaced apart in a thickness direction of the terminal between the end portion and the rear end portion of the reinforcing member.

Further, in the step d, the second mold includes a positioning die interposed between the terminal and the front end portion of the reinforcing member for spacing the terminal and the reinforcing member in the thickness direction of the terminal.

Further, the reinforcing member further comprises an end plate before the front end surface of the tongue plate covering the formed insulating body, and the front end plate is formed with the positioning mold core for inserting the step d.

Compared with the prior art, the present invention integrally molds the terminal, the reinforcing member and the metal shell with the insulating body. The waterproof performance of the entire socket electrical connector is improved. Further, a through hole is formed in the front end plate of the reinforcing member, and a groove is formed at a front end edge of the tongue plate of the insulating body, and a horizontal groove is formed at an end portion of the insulating body. When the insulating body is injection molded, the positioning terminal and the mold of the reinforcing member are inserted, thereby positioning the terminal and the reinforcing member to prevent the terminal from being short-circuited with the reinforcing member.

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 a perspective view of the socket electrical connector shown in the first figure at another angle;

The fourth figure is an exploded perspective view of the socket electrical connector shown in the first figure;

The fifth figure is a cross-sectional view of the socket electrical connector shown in the first figure from the V-V 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 fixing legs 121 are 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. Of course, in other embodiments, the insulative housing 3 can completely cover the top plate 11 , the side wall 13 , the bottom plate 12 , and the rear end opening of the through hole 10 of the outer periphery of the metal shell 1 .

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 positioning terminal 2 and the mold member of the reinforcing member 4. The mold groove 332 includes a horizontal groove 3321 at least partially located between the reinforcing member 4 and the terminal 2, and a vertical groove 3322 disposed at a rear end of the fixing portion 22 of the terminal 2 and communicating with the horizontal groove 3321. 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 41. 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.

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 side edges of the main plate 41 and covering the two side faces 314 of the tongue plate 32, 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 32 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 through holes 40 for inserting the die for positioning the terminal 2 and the reinforcing member 4 are formed in the front end plate 43 at a position adjacent to the main plate 41. 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 extending direction of the length portion 21 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.

Referring to the first and fifth figures, the manufacturing method of the socket electrical connector 100 will be described in detail below. The manufacturing process of the terminal 2, the reinforcing member 4 and the metal shell 1 is a well-known technique in the industry and will not be described in detail herein.

First, the length portion 21 of the plurality of terminals 2 is inserted into the through hole 10 from the rear end of the metal shell 1. At this time, the plurality of terminals 2 are arranged at intervals, and the length portion 21 of the terminal 2 is provided inside the metal shell 1 in an unstable state in a cantilever shape. Thereafter, the reinforcing member 4 is inserted into the through hole 10 from the rear end of the metal shell 1, at which time the reinforcing member 4 is located directly above the terminal 2 and spaced apart from the terminal 2 by a certain distance.

Then, a first mold (not shown) is inserted from the rear end into the rear end portion for positioning the terminal 2 and the reinforcing member 4. One of the first molds is inserted between the fixing portion 22 of the terminal 2 and the fixing plate 44 of the reinforcing member 4 for spacing the terminal 2 and the rear end portion of the reinforcing member 4 in the thickness direction of the main plate 41. In order to prevent the terminal 2 from overlapping with the rear end portion of the reinforcing member 4, one of the holding molds of the first mold holds the fixing portion 22 from behind and the surface is used to prevent the terminal 2 from retreating during injection molding.

Then, a second mold (not shown) is inserted into the through hole 10 of the metal shell 1 from the front end. One of the second molds is inserted into the through hole 40 of the reinforcing member 4 and is clamped by the front end edge of the main body 41 of the reinforcing member 4 and the end edge portion 210 of the terminal 2, and the positioning mold of the second mold The end portion of the terminal 2 and the front end portion of the reinforcing member 4 are spaced apart in the thickness direction of the main plate 41 to prevent the terminal 2 from overlapping with the front end portion of the reinforcing member 4. In addition, the upper surface of the main body 41 of the reinforcing member 4, the two sides of the side plate 42 and the lower surface of the terminal 2 are filled and fixed by a mold.

Then, after locating the positioning mold and the peripheral mold of the metal shell 1, the plastic is injected to form the insulating body 3, thereby integrally providing the terminal 2, the reinforcing member 4, the metal shell 1 and the insulating body 3.

Finally, the strip portion of the terminal 2, the strip portion of the reinforcing member 4, and the strip portion of the metal shell 1 are completed to complete the manufacturing process of the entire socket electrical connector 100.

In the present invention, the present invention integrally molds the terminal 2, the reinforcing member 4, and the metal shell 1 and the insulating body 3. The waterproof performance of the entire socket electrical connector 100 is improved. In addition, a through hole 40 is formed in the front end plate 43 of the reinforcing member 4, and the groove 311 and the insulating body 3 are formed at the front edge of the tongue plate 31 of the insulating body 3. The end portion 33 is formed with a mold groove 332 for inserting the positioning terminal 2 and the mold of the reinforcing member 4 when the insulating body 3 is injection molded, thereby positioning the terminal 2 and the reinforcing member 4 to prevent the terminal 2 and the reinforcing member 4 from being short-circuited. 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. 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

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 panel

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 wall

43‧‧‧ front panel

44‧‧‧ fixed board

no

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 includes a metal shell provided with a through hole, a plurality of terminals, a reinforcing member and an insulating body partially received in the metal shell, the insulating body including a rear end portion and a forward end portion Extendingly forming a tongue plate for abutting with the mating connector, the tongue plate comprising oppositely disposed upper surfaces, a lower surface, sides on both sides, and front end faces at the front end edges of the tongue plates, the terminals including the spacers a length portion fixed on a lower surface of the tongue plate for abutting with the mating connector, the reinforcing member comprising a main board covering the upper surface of the tongue plate and a fixing extending rearward along a rear end edge of the main board The fixing plate in the rear end portion of the insulating body is characterized in that the insulating body is integrally molded with the metal shell, the terminal and the reinforcing member. The socket electrical connector of claim 1, wherein the front edge of the upper surface of the tongue of the insulating body is recessed downwardly to form a groove for inserting the mold of the positioning terminal and the reinforcing member. The groove extends through the front end surface of the tongue plate and extends rearward along the front end edge of the tongue plate. The length of the groove and the main plate of the tongue plate and the terminal portion at least partially overlap in the thickness direction of the tongue plate. The socket electrical connector of claim 2, 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 for inserting a mold for positioning the terminal and the reinforcing member is formed at a position adjacent to the main board, and the through hole is provided in communication with the groove. The socket electrical connector of claim 3, wherein the through hole penetrates the front edge portion of the main board, and the length of the groove is greater than the length of the length portion of the terminal The length of the through hole. The socket electrical connector of claim 1, wherein the free end of the length portion of the terminal is bent upward to form an end edge portion, and the free end of the end edge portion is arranged along the terminal arrangement direction. The width is narrower than the width of the length portion, and the end edge protrudes into the groove and is flush with the inner wall surface of the groove. The socket electrical connector of claim 1, wherein the terminal further comprises a fixing portion extending rearwardly from the rear end of the length portion and being bent and fixed to the rear end portion, the insulating body The rear end 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 fixing portion of the terminal at least partially overlap in the thickness direction of the tongue plate, and the rear end of the insulating body The rear surface of the portion is recessed inwardly to form a vertical slot into which the mold of the positioning terminal is inserted, the fixing portion exposing at least part of the insulating body from the horizontal groove and the vertical groove, the horizontal groove and the vertical groove and the tongue of the insulating body A certain distance is spaced between the length portions of the terminals. A manufacturing method of a socket electrical connector, comprising: a terminal, a metal shell, a reinforcing member and an insulative body integrally molded with the terminal, the metal shell and the reinforcing member, the manufacturing method comprising the following steps:
(a) a stamped-formed terminal, a reinforcing member, and a metal shell, the terminal having a length portion that abuts the mating connector, a fixing portion that extends rearwardly along the rear end of the length portion and is bent and bent along the edge of the fixing portion And extending the formed abutting portion, the front end edge of the length portion of the terminal is formed with an edge portion, and the reinforcing member comprises at least a main board and a fixing plate extending rearward along a rear end edge of the main board, wherein the metal shell has the built-in a length portion of the terminal and a through hole of the main plate of the reinforcing member;
(b) inserting the length portion of the terminal from the rear end of the through hole into the through hole, inserting the main plate of the reinforcing member into the through hole from the rear end of the through hole, and the main plate is spaced apart from the length portion by a length portion Above
(c) inserting the first mold from the rear end for positioning the terminal and the rear end portion of the reinforcing member;
(d) inserting a second mold from the front end into the through hole of the metal shell for positioning the terminal and the front end portion of the reinforcing member and the metal shell;
(e) arranging a positioning mold and a peripheral mold for the metal shell;
(f) injecting plastic to form the insulating body, the insulating body, the metal member, the terminal and the metal shell are integrally disposed, and the injection molded insulating body includes a rear end portion connected to the front end surface of the rear end portion a tongue plate and a peripheral portion at least partially covering the periphery of the metal shell;
(g). Remove the above mold and cut off the terminal strip and the metal shell strip. The manufacturing method of the socket electrical connector of claim 7, wherein in the step c, the first mold includes a terminal portion inserted between the terminal and the reinforcing member for the terminal The terminal and the fixing member of the reinforcing member are spaced apart in the thickness direction. The manufacturing method of the socket electrical connector according to claim 7, wherein in the step d, the second mold includes a terminal portion inserted between the terminal and the reinforcing member for the terminal The terminal and the positioning member of the reinforcing member are spaced apart in the thickness direction. The manufacturing method of the socket electrical connector of claim 9, wherein the reinforcing member further comprises an end plate before the front end surface of the tongue plate covering the molded insulative body, and the front end plate is formed through The positioning mold in the step d is interspersed.