TWI569542B - Electrical receptacle connector - Google Patents

Description

Socket electrical connector

The present invention relates to a socket electrical connector, and more particularly to a socket electrical connector having a double row of terminals.

For a related prior art, please refer to the Chinese Patent No. CN101321345 published on November 14, 2012, which discloses a connection module for a mobile communication terminal, in which a socket end connector is specifically disclosed, the socket The electrical connector comprises an insulating body, a plurality of terminals fixed in the insulating body, and a metal outer casing surrounding the insulating body. The insulative housing includes a base and a tongue plate extending forwardly along the base. The tongue plate includes a rear end portion and a front end portion at a front end portion of the rear end portion, the rear end portion being wider than the front end portion and slightly thicker than the front end portion. The tongue is generally "convex" in shape from the direction of insertion and removal. The terminal includes a row of front row terminals and a row of rear row terminals respectively disposed in the front end portion and the rear end portion of the tongue plate, and the front row terminals conform to the USB (Universal Serial Bus) standard.

In addition, the connection module of the portable device is disclosed in the Republic of China Patent No. TWM441257 on November 11, 2012, in which a socket end connector is specifically disclosed, the socket electrical connector also includes an insulative body, a plurality of terminals fixed in the insulating body and a metal casing surrounding the insulating body. The insulative housing includes a base and a tongue plate extending forwardly along the base. The tongue plate includes a rear end portion and a front end portion at a front end portion of the rear end portion, the rear end portion being slightly wider than the front end portion and slightly thicker than the front end portion. The terminal includes a row of front row terminals and a row of rear row terminals respectively disposed in the front end portion and the rear end portion of the tongue plate, and the front row terminals conform to the USB (Universal Serial Bus) standard. The structure of the above two previous cases is very similar, and there is a row of terminals that conform to the USB standard.

However, the prior art double-row terminal design connection module only reveals a similar ordinary USB connector suitable for a single frame port, and as the transmission volume of electronic products continues to increase and the transmission rate requirements continue to increase, The connection module structure of the prior art will be far from satisfactory. For example, the Micro USB (Micro Universal Serial Bus) 3.0 socket connector in the prior art, but the Micro USB 3.0 is small in size and the terminals are closely arranged. If additional terminals are needed to achieve greater transmission requirements, it is bound to be There are certain requirements for the fixing method of the additional terminals.

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

The technical problem to be solved by the present invention is to provide a socket electrical connector with a double row terminal design.

In order to solve the above technical problem, the present invention adopts the following technical solution: a socket electrical connector includes an insulating body, a plurality of terminals fixed in the insulating body, and a metal casing surrounding the insulating body, the insulating body including an insulating seat And a first seat body and a second seat body fixed to the insulating seat, the insulating seat comprises a base body, and a tongue plate extending forwardly along the front end of the base body, the tongue plates being spaced apart from each other The right tongue plate and the left tongue plate, each of the terminals includes a contact portion exposing the outer portion of the tongue plate, a fixing portion fixed in the insulating body, and a welding portion extending outside the insulating body, the terminal being divided into the fixed portion The front end terminal of the insulating seat is respectively injection-molded and fixed to the rear seat terminal of the first seat body and the second seat body, and the first seat body and the second seat body fixed with the rear row terminal are assembled and fixed to the seat Said on the insulation seat.

Further, the right tongue plate includes a right base tongue plate extending forward along the front end surface of the base body and a right front tongue plate extending further forward along the right base tongue plate, the left tongue plate extending forward along the front end surface of the base body a left base tongue formed and a left front tongue formed further along the left base tongue, the contact portion of the front row terminal being exposed from the right front tongue and the left front tongue, the rear terminal The contact portion is exposed from the right base tongue plate and the left base tongue plate, and the contact portion of the contact portion of the rear row terminal and the front row terminal is exposed from the same surface of the tongue plate.

Further, the contact portions of the contact portions of the rear row terminals and the front row terminals on the same right tongue plate or the left tongue plate are arranged at intervals in the width direction of the tongue plate, and the contact ends and the rear rows of the front row terminals are arranged at intervals The contact end of the terminal has a specific drop in the thickness direction of the tongue.

Further, the base body is formed with two fixing grooves inwardly recessed, and the fixing grooves respectively correspond to the positions of the right tongue plate and the left tongue plate in the front-rear direction, and the first seat body and the second seat body are respectively assembled and fixed to In the fixing groove.

Further, the fixing groove penetrates the base body in the front-rear direction.

Further, the fixing groove is formed with two oppositely disposed groove walls, wherein the two groove walls are respectively recessed and formed with a holding groove, and both sides of the first seat body and the second seat body are formed for The card holder holds a fixed card holder.

Further, the top wall and the bottom wall of the metal casing and the side walls connecting the top wall and the bottom wall of the bottom wall, the top wall is outwardly convexly formed with a rib extending in the front-rear direction.

Further, the top wall, the bottom wall and the side wall are arranged to form a plugging space and define an interposing surface, and the bottom wall protrudes from the top wall to form an anti-missing receiving portion, and the anti-missing receiving portion will The plug space partition defines a right plug space corresponding to the right tongue plate and a left plug space for accommodating the left tongue plate, and the rib is located on the top plate of the left plug space side.

Further, the contact portion of the rear row of terminals is elastically deformable along the thickness direction of the tongue plate, and the contact portion of the front row of terminals is flat and cannot be elastically deformed.

Further, the front terminal arrangement of the socket electrical connector conforms to the transmission standard of Micro USB 3.0.

Compared with the prior art, the present invention adds a rear terminal to the rear of the tongue of the existing Micro USB 3.0 socket electrical connector to achieve a larger transmission requirement, and the rear terminal is respectively injection molded to the first body and In the second body, the first seat body and the second seat body which are fixed with the rear row terminals are assembled to the insulating seat, so that the positioning terminal is simple in molding and the product yield is ensured.

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

2 is a perspective exploded view of the socket electrical connector of the present invention, showing a perspective view of the metal housing separated from the insulating body;

The third figure is a perspective view of the socket electrical connector shown in the second figure from another angle;

Figure 4 is a partially exploded perspective view of the socket electrical connector of the present invention, showing a perspective view of the metal housing and the rear terminal module separated;

Figure 5 is an exploded perspective view of the socket electrical connector of the present invention;

Figure 6 is a perspective view of the socket electrical connector shown in Figure 5 from another angle;

Figure 7 is a front view of the socket electrical connector of the present invention;

The eighth drawing is a bottom view of the metal casing of the socket electrical connector of the present invention separated from the insulating body.

As shown in the first to eighth embodiments, the socket electrical connector 100 of the present invention includes an insulative housing 1 , a plurality of terminals 2 fixed in the insulative housing 1 , a metal reinforcement member 3 , and a metal housing surrounding the insulative housing 1 . 4. For the convenience of description, all the following orientations relating to the receptacle electrical connector 100 are referred to in the first figure, wherein the mating end of the receptacle electrical connector 100 is regarded as the front end, and the surface of the top plate 41 of the receptacle electrical connector 100 is regarded as surface.

Referring to the second to sixth embodiments, the insulative housing 1 includes an insulative housing 11 and a first base body 12 and a second base body 13 that are fixed to the insulative housing 11 by assembly. The insulating seat 11 includes a base body 110 and a tongue plate 111 extending forward along the front end of the base body 110. The tongue plate 111 includes a right tongue plate 112 and a left tongue plate 113 that are spaced apart from each other. The right tongue plate 112 includes a right base tongue plate 1121 extending forwardly along the front end of the base body 110 and a right front tongue plate 1122 extending further forwardly along the front end face of the right base tongue plate 1121. The left tongue plate 113 is similar in structure to the right tongue plate 112, and includes a left base tongue plate 1131 extending forwardly along the front end surface of the base body 110 and a left front tongue plate 1132 extending further forwardly along the front end surface of the left base tongue plate 1131. The base body 110 is recessed and formed with two fixing grooves 1101 extending forward and backward. The fixing grooves 1101 correspond to the positions of the right tongue plate 112 and the left tongue plate 113 in the front-rear direction. A holding groove 1102 is respectively disposed on each of the two groove walls of the fixing groove 1101. The first base body 12 and the second base body 13 are respectively inserted into the fixing groove 1101 in the thickness direction. The holding blocks 1230 of the first base body 12 and the second base body 13 are respectively clamped and fixed to the holding slots 1102. A clamping block 1230 for holding and fixing the holding slot 1102 is formed on both sides of the first base 12 and the second base 13 .

Referring to the second and third figures, the right base tongue 1121 and the left base tongue 1131 have the same length in the mating direction, and the right front tongue 1122 and the left front tongue 1132 are in the docking direction. The length is the same. In this embodiment, the right base tongue 1121 is wider and thicker than the right front tongue 1122. The left base tongue 1131 is wider and thicker than the left front tongue 1132. A resisting surface 1118 is formed on the front end surface of the right base tongue 1121 and the left base tongue 1131, respectively, and the resisting surface 1118 is used for resisting the limit of the mating plug connector. A plurality of terminal receiving grooves 1114 are recessed in the surface of the right base tongue plate 1121 and the left base tongue plate 1131 for receiving the terminal 2.

Referring to the third to sixth figures, the terminal 2 is formed by stamping and bending a metal sheet, and includes a contact portion 221 for exposing the mating plug connector outside the tongue plate 111, and fixing in the insulating body 1. The portion 222 and the solder portion 223 extending from the rear end of the insulative housing 1 for connection to the mating circuit board. In the present invention, the terminal 2 includes a terminal 24 that is integrally formed and fixed in the first base body 12 and the second base body 13 and is integrally fixed to the front row terminal 25 in the insulating seat 11. The contact portion 221 of the rear row of terminals 24 has elasticity, respectively corresponding to the outer base tongue plate 1121 and the left base tongue plate 1131, and is elastically deformable in the terminal receiving groove 1114. The contact portion 221 of the front row of terminals 25 has a flat shape and is correspondingly fixed to the right front end flap 1122 and the left front end flap 1132 and cannot be elastically deformed.

Referring to the seventh and eighth figures, the contact portion 221 of the rear terminal 24 and the front terminal 25 on the same right tongue plate 112 or left tongue plate 113 are in the width direction of the tongue plate 111. Arranged one by one. The soldering portion 223 of the rear row terminal 24 and the soldering portion 223 of the front row of terminals 25 are arranged in a row at the rear end of the insulative housing 1 , and the terminal block 2 on the same right tongue plate 112 or left tongue plate 113 is located at the outermost side. The welded portions 223 are the welded portions 223 of the rear row terminals 24 (shown in the fourth and fifth figures). Referring to the third and seventh figures, the contact portion 221 of the rear terminal 24 and the contact portion 221 of the front row terminal 25 have a specific drop in the thickness direction of the tongue plate 111. In the present invention, the contact portion 221 of the rear row terminal 24 is located below the contact portion 221 of the front row terminal 25 in the thickness direction of the tongue plate 111 (shown in the first and seventh figures).

Referring to the first to sixth figures, the metal casing 4 is formed by stamping and bending a metal plate, and includes a top plate 41, a bottom plate 42, and side plates 43 connecting the top plate 41 and the bottom plate 42. The top plate 41, the bottom plate 42 and the side plates 43 together form a docking space (not labeled) for plugging the mating plug connector and are formed with the interposer 40. The bottom plate 42 is bent upwardly toward the middle to form an anti-missing portion 44. Taking the seventh figure as an example, the mis-insertion preventing portion 44 is substantially in an inverted "V" shape, and the anti-missing portion 44 includes an inclined plate 441 and an upright plate 442 which are disposed in parallel. The erroneous insertion preventing portion 44 partitions the insertion space into a right insertion space 401 corresponding to the right tongue plate 112 and a left insertion space 402 accommodating the left tongue plate 113. In the present invention, the top plate 41 on the side of the left plug-in space 402 is upwardly protruded to form a front and rear extending rib 411, and the rib 411 is matched with the mating structure on the mating plug connector to achieve a foolproof effect. .

In the present invention, the number of the terminal terminals 24 fixed in the first base body 12 is five, and the number of the front row terminals 25 is five on the right front tongue plate 1122 of the socket electrical connector 100, and is fixed to the first The number of the rear terminals 24 in the two-seat body 13 is six, and the number of the front-end terminals 25 is five on the left front tongue 1132 of the socket electrical connector 100. The frame shape of the interposer 40 formed by the metal casing 4 in the socket electrical connector 100 is similar to the standard Micro USB (Micro Universal Serial Bus) 3.0 socket electrical connector of the prior art. The only difference is that the present invention is provided with a rib 411 structure. The arrangement of the front row terminal 25 on the right front tongue plate 1122 of the socket electrical connector 100 and the front row terminal 25 on the left front tongue plate 1132 conforms to the transmission standard of Micro USB 3.0 in the prior art, that is, in the present invention. The receptacle electrical connector 100 is compatible with the prior art Micro USB 3.0 plug electrical connector.

Referring to the second, fifth and sixth figures, the metal reinforcement 3 is integrally formed on the left tongue 113, and the metal reinforcement 3 includes a cover of the left tongue 113. The main plate portion 31 on the upper surface, the side plate portion 32 covering at least the two side surfaces of the left front end flap 1132, and the front plate portion 33 covering the front end surface of the left tongue plate 113. A plurality of mold hole holes 311 are formed in the main plate portion 31. In addition, in the present invention, the mold hole 1110 on the right tongue plate 112 and the left tongue plate 113 and the mold hole 311 on the main plate portion 31 are filled by the plastic block 5 through the glue filling to ensure the socket electrical connector 100. The overall strength and appearance, while preventing foreign matter from entering the pores of the mold. In other embodiments, the metal reinforcement member may be disposed on the right tongue plate 112 or on the left tongue plate 113 and the right tongue plate 112.

In the present invention, the first base body 12 and the second seat body 13 to which the rear row terminal 24 is to be fixed are respectively formed by injection molding the additional rear row terminals 24 into the first base body 12 and the second seat body 13, respectively. The assembly is assembled to the insulating seat 11 to make the positioning terminal simple during molding and to ensure the yield of the finished product.

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‧‧‧Insulating body

11‧‧‧Insulation seat

110‧‧‧ base

1101‧‧‧fixed slot

1102‧‧‧ card slot

111‧‧‧ tongue plate

1114‧‧‧ receiving trough

1118‧‧‧Resistance

112‧‧‧right tongue

1121‧‧‧right base tongue

1122‧‧‧Right front tongue

113‧‧‧ left tongue

1131‧‧‧ Left base tongue

1132‧‧‧ Left front tongue

12‧‧‧ first body

1230‧‧‧Card block

13‧‧‧Second body

2‧‧‧ terminals

221‧‧‧Contacts

222‧‧‧ Fixed Department

223‧‧‧Welding Department

24‧‧‧ Rear terminal

25‧‧‧Front terminal

3‧‧‧Metal reinforcements

31‧‧‧ Main Board

311,1110‧‧

32‧‧‧ Side panel

33‧‧‧ Front Board

4‧‧‧Metal casing

40‧‧‧Interface

401‧‧‧Right docking space

402‧‧‧Left docking space

41‧‧‧ top board

411‧‧‧ rib

42‧‧‧floor

43‧‧‧ side panels

44‧‧‧Protection prevention

5‧‧‧ plastic block

no

100‧‧‧Socket electrical connector

11‧‧‧Insulation seat

110‧‧‧ base

1101‧‧‧fixed slot

1102‧‧‧ card slot

111‧‧‧ tongue plate

1114‧‧‧ receiving trough

1118‧‧‧Resistance

112‧‧‧right tongue

1121‧‧‧right base tongue

1122‧‧‧Right front tongue

113‧‧‧ left tongue

1131‧‧‧ Left base tongue

1132‧‧‧ Left front tongue

12‧‧‧ first body

1230‧‧‧Card block

13‧‧‧Second body

24‧‧‧ Rear terminal

25‧‧‧Front terminal

40‧‧‧Interface

41‧‧‧ top board

411‧‧‧ rib

42‧‧‧floor

43‧‧‧ side panels

44‧‧‧Protection prevention

Claims (10)

A socket electrical connector includes an insulating body, a plurality of terminals fixed in the insulating body, and a metal casing surrounding the insulating body, the insulating body including an insulating seat and a first seat fixed to the insulating seat And a second seat body, the insulating seat includes a base body, and a tongue plate extending forwardly along the front end of the base body, the tongue plate including a right tongue plate and a left tongue plate which are spaced apart from each other, wherein each of the terminals The invention comprises a contact portion outside the exposed tongue plate, a fixing portion fixed in the insulating body, and a welding portion extending outside the insulating body, wherein the terminal is divided into a front end terminal fixed on the insulating seat and separately injection molded and fixed at the same The first and second bases are arranged on the first and second bases, wherein the first and second bases to which the rear terminals are fixed are assembled and fixed to the insulating base. The socket electrical connector of claim 1, wherein the right tongue plate comprises a right base tongue plate extending forwardly along a front end surface of the base body and a right front tongue formed further along the right base tongue plate a left tongue plate comprising a left base tongue plate extending forwardly along a front end surface of the base body and a left front tongue plate extending further forward along the left base tongue plate, the contact portion of the front row terminal being from the right front end The tongue plate and the left front tongue plate are exposed, the contact portion of the rear row terminal is exposed from the right base tongue plate and the left base tongue plate, and the contact portion of the rear row terminal and the front row terminal are swept from the tongue plate The same surface is exposed. The socket electrical connector of claim 2, wherein the contact portion between the contact portion of the rear row terminal and the front row terminal on the same right tongue or left tongue plate is in the width direction of the tongue plate. Arranged at intervals, the contact end of the front end terminal and the rear end terminal have a specific drop in the thickness direction of the tongue. The socket electrical connector of claim 1, wherein the base body is recessed inwardly to form two fixing slots, and the fixing slots respectively correspond to the position of the right tongue plate and the left tongue plate in the front-rear direction. The first seat body and the second seat body are respectively assembled and fixed into the fixing groove. The socket electrical connector of claim 1, wherein the fixing groove penetrates the base body in a front-rear direction. The socket electrical connector of claim 4, wherein the fixing groove is formed with two oppositely disposed groove walls, and the two groove walls are respectively recessed to form a holding groove, the first seat A clamping block for holding and fixing with the holding groove is formed on both sides of the body and the second seat. The socket electrical connector of claim 1, wherein the metal casing comprises a top wall, a bottom wall, and side walls connecting the top wall and the bottom wall, the top wall protruding outwardly to form a front-rear direction Extended ribs. The socket electrical connector of claim 7, wherein the top wall, the bottom wall and the side wall are collectively formed to form a plug space and define an interposer surface, and the bottom wall is protruded toward the top wall. The erroneous insertion preventing receiving portion defines the insertion space partition to form a right insertion space corresponding to the right tongue plate and a left insertion space for accommodating the left tongue plate, wherein the rib is located in the left insertion space On the top of the board. The socket electrical connector of claim 1, wherein the contact portion of the rear row of terminals is elastically deformable along a thickness direction of the tongue plate, and the contact portion of the front row of terminals is flat and cannot be elastically deformed. The socket electrical connector of claim 1, wherein the front terminal arrangement of the socket electrical connector conforms to a transmission standard of Micro USB 3.0.