CN204205117U - Socket connector, plug connector and electrical connector combination - Google Patents

Abstract

The utility model relates to a socket connector, plug connector and electric connector combination, electric connector combination includes socket connector and plug connector of mutual butt joint, the socket connector includes socket body, a plurality of socket terminal and metal casing, the metal casing is equipped with the spliced eye, the socket body is equipped with the grafting portion that projects forward in the spliced eye, plug connector includes plug body, plug terminal and metal casing, the metal casing is spliced in the spliced eye, the metal casing is equipped with the accepting hole that accepts the grafting portion, plug terminal has the butt joint portion that projects forward in the accepting hole, socket terminal has the connecting portion that projects forward in the spliced portion, the kink that extends from the connecting portion downward bending and the contact site that extends from the kink bottom upward bending, the contact site contacts with the butt joint portion, the plug terminals are arranged as probes, so that the volume of the electric connector combination is favorably reduced.

Description

Socket connector, plug connector and electrical connector combination

technical field

The utility model relates to a combination of a socket connector, a plug connector and an electric connector, in particular to a combination of a socket connector, a plug connector and an electric connector with a small volume.

Background technique

Existing USB connectors include a USB socket connector and a USB plug connector that are docked with each other. The contact portion of one of the conductive terminals is set in an arc-shaped elastic structure, and the contact portion of the other conductive terminal is set in a horizontal plate shape, so that the USB The conductive terminals of the socket connector and the USB plug connector can be butted together to form electrical conduction, but the size of the connector is not easy to reduce.

Utility model content

The purpose of the utility model is to provide a combination of socket connector, plug connector and electrical connector with reduced volume.

In order to achieve the aforementioned purpose, the utility model adopts the following technical solutions: a socket connector for docking with a plug connector, which includes a socket body, a number of socket terminals accommodated in the socket body and a metal shell that wraps the socket body, The metal shell is provided with an insertion hole for accommodating a plug connector, the socket body is provided with an insertion portion protruding forward into the insertion hole, and the socket terminal has an insertion portion protruding forward from the insertion portion The connecting part, the bending part bent downward from the connecting part and the contact part bent upward from the bottom end of the bending part to connect with the plug terminal of the plug connector, the connecting part, the bending part and the contact The part is located in the socket hole.

As a further improvement of the utility model, the contact part is a vertical sheet, and the contact part and the bending part form a U-shaped structure.

As a further improvement of the utility model, the contact parts of the socket terminals are arranged in a row along the left and right directions, and in the height direction, the contact parts are located at the center of the insertion hole, and the opening of the insertion hole has a symmetrical structure up and down. The socket terminal conforms to the Micro USB transmission protocol.

As a further improvement of the present utility model, the socket connector further includes a metal fixing piece covered on the metal shell, and the metal shell includes a top wall, a bottom wall, and opposite side walls connecting the top wall and the bottom wall, The insertion hole is formed between the top wall, the bottom wall and the two side walls, and the two side walls are provided with openings, and the fixing piece includes an inverted U-shaped cover piece and a cover piece extending from the bottom end of the cover piece to the outside. A locking piece that extends horizontally after being bent, the cover piece rides on the metal shell, the two sides of the cover piece have convex hulls fixed in the opening, and the rear end of the cover piece is provided with a downwardly bent and extended limiting piece, The limiting piece is pressed forward against the top wall and the socket body.

As a further improvement of the utility model, the top wall is provided with a through hole, and there is a shrapnel in the through hole, the shrapnel extends backward from the inner wall of the through hole, and the shrapnel has a convex point protruding downward into the insertion hole.

The utility model can also adopt the following technical solutions: a plug connector for docking with a socket connector, which includes a plug body, a plug terminal accommodated in the plug body and a metal shell covering the plug body, the metal shell There is a receiving hole for receiving the socket connector, the plug terminal has a butt joint protruding forward into the receiving hole, the plug terminal is set as a probe, and the plug connector is also provided with The side is used to lock the locking part on the socket connector, and the locking part protrudes from the receiving hole to the metal shell.

As a further improvement of the utility model, the plug connector includes a metal inner shell, and the metal inner shell includes a frame body assembled on the plug body and a pair of locking arms extending forward from the left and right ends of the frame body , the locking arm is located in the receiving hole, and the locking portion is located at the front end of the locking arm.

As a further improvement of the utility model, the plug body includes a main body and a tongue protruding from the main body into the receiving hole. The main body is provided with an annular positioning groove. In the groove, the metal shell includes a top wall, a bottom wall and opposite side walls connecting the top wall and the bottom wall, the receiving hole is formed between the top wall, the bottom wall and the two side walls, and the top wall and the bottom wall The walls fit together with the tongue, and the two side walls are spaced apart from the tongue.

As a further improvement of the utility model, the butt joints of the plug terminals are arranged in a row along the left and right directions, and in the height direction, the butt joints are located at the center of the storage hole, and the opening of the storage hole is a vertically symmetrical structure. The plug terminal conforms to the Micro USB transmission protocol.

The utility model can also adopt the following technical solutions: an electrical connector combination, which includes a socket connector and a plug connector that are docked with each other, and the socket connector includes a socket body, a number of socket terminals and a package that are accommodated in the socket body The metal shell of the socket body, the metal shell is provided with an insertion hole, the socket body is provided with an insertion portion protruding forward in the insertion hole, the plug connector includes a plug body, and is accommodated in the plug The plug terminal in the main body and the metal shell covering the plug body, the metal shell is plugged into the insertion hole, the metal shell is provided with a receiving hole for receiving the insertion part, and the plug terminal has a forward protruding The docking part protruding into the receiving hole is characterized in that the socket terminal has a connecting part protruding forward from the insertion part, a bending part bent downward from the connecting part and extending upward from the bottom end of the bending part. The contact part is bent and extended, the contact part is in contact with the docking part, the connection part, the bending part and the contact part are located in the insertion hole, and the plug terminal is configured as a probe.

As a further improvement of the utility model, the contact parts of the socket terminals are arranged in a row along the left and right directions, and in the height direction, the contact parts are located at the center of the insertion hole, and the opening of the insertion hole has a symmetrical structure up and down; The butt joints of the plug terminals are arranged in a row along the left and right directions, and in the height direction, the butt joints are located at the center of the receiving hole, and the opening of the receiving hole is symmetrical up and down.

As a further improvement of the utility model, the plug connector includes a metal inner shell, and the metal inner shell includes a frame body assembled on the plug body and a pair of locking arms extending forward from the left and right ends of the frame body , the locking arm is located in the receiving hole, the front end of the locking part is provided with a locking part protruding from the receiving hole out of the metal shell, and the metal shell is provided with a locking hole locked with the locking part.

The socket terminal socket terminal of the utility model socket connector has a connecting part protruding forward from the plug part, a bending part bent downward from the connecting part and extending upward from the bottom end of the bent part to connect with the plug. The contact part where the plug terminal of the connector is butted, the connecting part, the bending part and the contact part are located in the insertion hole, the plug terminal of the plug connector is set as a probe, and the plug connector is also provided with a probe located in the insertion hole. Both sides are used to lock the locking portion on the socket connector, and the locking portion protrudes from the metal shell from the receiving hole. Such design is beneficial to reduce the volume of the socket connector and the plug connector.

Description of drawings

FIG. 1 is a schematic diagram of the electrical connector combination and the circuit board of the present invention.

Fig. 2 is a cross-sectional view of the socket connector and the plug connector of the utility model butted together.

Fig. 3 is a perspective view of the socket connector of the present invention.

Fig. 4 is a three-dimensional exploded view of the socket connector of the present invention.

FIG. 5 is a three-dimensional exploded view of another angle of the socket connector of the present invention.

Fig. 6 is a perspective view of the plug connector of the present invention.

Fig. 7 is a three-dimensional exploded view of the plug connector of the present invention.

Fig. 8 is an exploded view from another angle of the plug connector of the present invention.

Detailed ways

Please refer to Fig. 1 to Fig. 5, the electrical connector assembly of the present invention includes a receptacle connector 100 and a plug connector 200 that are docked with each other, the receptacle connector 100 is used to be installed on a circuit board 300, the receptacle connector 100 and the plug The connector 200 conforms to the Micro USB transmission protocol, and of course it can also be applied to other types of transmission protocols, such as USB and Mini USB. The socket connector 100 includes a socket body 10 , socket terminals 20 accommodated in the socket body 10 , a metal shell 30 covering the socket body 10 , and a metal fixing piece 40 covering the metal shell 30 .

The socket body 10 includes a base 11, a socket 12 protruding forward from the middle of the base 11, and a pair of convex walls 13 protruding backward from the left and right ends of the base 12. The locking block 111 has an inclined surface 112 facing forward. A pair of slots 113 spaced left and right are recessed on the bottom surface of the base 11 , and a flange 114 protruding downward is provided at the rear end of the base 11 , and the flange 114 is located behind the slots 113 . A recess 14 is formed between the pair of protruding walls 13 .

There are five socket terminals 20, which conform to the Micro USB transmission protocol. Each socket terminal 20 includes a contact part 21, a bending part 22, an arm part 23, a fixing part 24, a connecting part 25 and a welding part 26. The contact part 21 is a vertical piece, and the contact part 21 is bent and extended upward from the bottom end of the bending part 22. The contact part 21 and the bending part 22 form a U-shaped structure, and the bending part 22 is formed from the front end of the arm part 23. It is bent vertically downwards, the arm portion 23 and the fixed portion 24 are located on the same horizontal plane, the arm portion 23 extends forward from the fixed portion 24, and the connecting portion 25 is bent downward from the rear end of the fixed portion 24 and extends to the welding portion 26. The portion 26 extends horizontally out of the socket body 10 backwards for soldering on the circuit board 300 .

The fixing part 24 is fixed or embedded in the socket body 10 , the arm part 23 protrudes forward from the socket part 12 , the contact part 21 and the bending part 22 are spaced apart from the socket part 12 , and the connecting part 25 is located in the concave part 14 of the socket body 10 Inside.

The metal housing 30 includes a top wall 31, a bottom wall 32, two opposite side walls 33 connecting the top wall 31 and the bottom wall 32, and an insertion hole 35 formed between the top wall 31, the bottom wall 32 and the two side walls 33. , the top wall 31 is provided with a buckle hole 311 that is buckled together with the buckle block 111 of the socket body 10 and a through hole 312 located in front of the buckle hole 311. There is a shrapnel 313 in the through hole 312, and the shrapnel 313 is a self-through hole. The inner wall of 312 extends backward, and the elastic piece 313 has a convex point 314 protruding downward into the insertion hole 35 for pressing against the plug connector 200 .

The bottom wall 32 is punched with a buckle piece 323 that is buckled in the slot 113 of the socket body 10 . The bottom wall 32 abuts against the flange 114 backward and is restricted from moving backward. The two sidewalls 33 define openings 331 on both sides of the locking hole 311 and locking holes 332 in front of the opening 331 .

The insertion part 12 of the socket body 10 protrudes forward into the insertion hole 35, and is spaced from the top wall 31, the bottom wall 32 and the two side walls 33. The contact part 21, the bending part 22 and the arm part of the socket terminal 20 23 is located in the insertion hole 35 , and the contact portions 21 are arranged in a row along the left and right directions for docking with the plug connector 200 . In the height direction of the insertion hole 35, the contact portion 21 is located at the center of the insertion hole 35, and the opening of the insertion hole 35 is an oval structure with up-down symmetry, which is designed so that the receptacle connector 100 can be inserted forward and backward. It is convenient for consumers to plug in, and at the same time, it is beneficial to reduce the volume of the socket connector 100 .

The fixing piece 40 includes an inverted U-shaped covering piece 41 and a locking piece 42 that extends horizontally after being bent outward from the bottom end of the covering piece 41. The covering piece 41 straddles the metal housing 30, and the covering piece 41 has two sides on both sides. The protrusion 411 is fixed in the opening 331 of the metal shell 30, and the rear end of the cover sheet 41 is provided with a limiting piece 412 bent and extended downward. The limiting piece 412 presses forward against the top wall 31 of the metal shell 30 and the socket body 10, stop the fixed piece 40 from moving forward. The locking piece 42 presses against the upper surface of the circuit board 300 , and has a locking hole 421 aligned with the mounting hole 301 of the circuit board 300 , and the locking piece 42 can be locked on the circuit board 300 by bolts (not shown).

Please refer to Figures 1-2 and Figures 6-8, the utility model plug connector 200 includes a plug body 50, a number of plug terminals 60 accommodated in the plug body 50, a metal inner shell 70 and a covered plug body 50 for the metal case 80.

The plug body 50 includes a main body 51 and a tongue 52 protruding forward from the main body 51. The main body 51 is provided with an annular positioning groove 511 and a fixing hole 512 extending backward from the positioning groove 511. The annular groove 51 extends from the front surface of the main body 51. The recess is formed, and the upper and lower sides of the annular channel 51 are also recessed on the upper and lower surfaces of the main body 51 . The upper and lower surfaces of the tongue portion 52 are provided with locking blocks 521 . A plurality of terminal holes 53 pass through the main body 51 and the tongue 52 to fix the plug terminals 60 .

The plug terminals 60 are set as probes, and there are 5 plug terminals 60 in total, which conform to the Micro USB transmission protocol. The plug terminal 60 in the middle is thicker than the other terminals to be compatible with the transmission of high current. Each plug terminal 60 includes a docking portion 61 protruding forward from the tongue portion 52 , a holding portion 62 fixed in the terminal hole 53 of the plug body 50 , and a welding leg 63 extending backward from the holding portion 62 out of the plug body 50 . The holding portion 62 connects the abutting portion 61 and the welding leg 62 . In other embodiments, the plug terminal 60 is embedded in the plug body 50 .

The metal inner shell 70 includes a frame part 71 assembled backward in the positioning groove 511 of the plug body 50 and a pair of locking arms 72 extending forward from the left and right ends of the frame part 71. The front ends of the locking arms 72 are provided with outward protrusions. The locking portion 73 is provided for locking on the receptacle connector 100 . The latch arms 72 are located outside and spaced apart from the tongue 52 .

The metal casing 80 includes a top wall 81, a bottom wall 82, two side walls 83 connecting the top wall 81 and the bottom wall 82, and a receiving hole 85 formed between the top wall 81, the bottom wall 82 and the two side walls 83, the top wall 81 and the bottom wall 82 are fitted together with the tongue 52 respectively, the two side walls 83 are spaced apart from the tongue 52, and the top wall 81 and the bottom wall 82 are provided with a lock hole 811 for locking with the lock block 521 of the tongue 52, 821. The two side walls 83 are provided with a through hole 831 and a welding piece 832 extending backward. The locking portion 73 protrudes from the through hole 831 outside the plug connector 200 . The welding piece 832 extends out of the plug body 50 through the fixing hole 512 . It is aligned with the soldering pin 63 of the plug terminal 60 and is used for soldering together with a cable (not shown).

In the height direction, the mating portion 61 of the plug terminal 60 is located in the middle of the receiving hole 85, and the opening of the receiving hole 85 is an up-and-down symmetrical elliptical structure, so that the plug connector 200 can also be plugged in front and back, and the plug terminal 60 is set as The probes are beneficial to reduce the volume of the plug connector 200 .

Please also refer to FIG. 2. When the socket connector 100 of the present invention is docked with the socket connector 200, the metal shell 80 of the plug connector 200 is plugged into the insertion hole 35 of the socket connector 100, and the socket connector 100 The socket part 12 of the plug connector 100 is located in the receiving hole 85 of the plug connector 100. The contact part 21 of the socket terminal 20 and the butt part 61 of the plug terminal 60 are elastically contacted together one by one to realize the transmission of signals or power between the two. The locking portion 73 of the shell 70 is locked in the locking hole 332 of the metal shell 30 to keep the receptacle connector 100 and the plug connector 200 together.

Although preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that, without departing from the scope and spirit of the present invention as disclosed by the appended claims, Various improvements, additions, and substitutions are possible.

Claims (12)

1. A socket connector for docking with a plug connector, which includes a socket body, a number of socket terminals accommodated in the socket body and a metal shell that wraps the socket body, and the metal shell is provided for accommodating the plug connection The socket body is provided with an inserting portion protruding forward in the inserting hole, and the feature is that: the socket terminal has a connecting portion protruding forward from the inserting portion, a self-connecting portion The bent part extending downward and the contact part bent upward from the bottom end of the bent part to connect with the plug terminal of the plug connector, the connecting part, the bent part and the contact part are located in the insertion hole. 2 . The receptacle connector according to claim 1 , wherein the contact portion is a vertical sheet, and the contact portion and the bent portion form a U-shaped structure. 3. The socket connector according to claim 1, characterized in that: the contact parts of the socket terminals are arranged in a row along the left and right directions, and in the height direction, the contact parts are located at the center of the socket hole, and the socket terminals The opening of the connection hole has a symmetrical structure up and down, and the socket terminal complies with the Micro USB transmission protocol. 4. The receptacle connector according to claim 1, characterized in that: the receptacle connector further comprises a metal fixing piece covered on the metal shell, and the metal shell comprises a top wall, a bottom wall and a connecting top wall On the two side walls opposite to the bottom wall, the insertion hole is formed between the top wall, the bottom wall and the two side walls, the two side walls are provided with openings, and the fixing piece includes an inverted U-shaped cover piece and a locking piece that extends horizontally after being bent outward from the bottom end of the cover piece. The cover piece straddles the metal shell. Both sides of the cover piece have convex hulls fixed in the opening. The extending limiting piece is bent downward, and the limiting piece is pressed forward against the top wall and the socket body. 5. The socket connector according to claim 4, characterized in that: the top wall is provided with a through hole, and there is a shrapnel in the through hole, the shrapnel extends backward from the inner wall of the through hole, and the shrapnel has a downward direction. A bump that protrudes into a socket. 6. A plug connector for docking with a socket connector, which includes a plug body, a plug terminal accommodated in the plug body, and a metal shell covering the plug body, and the metal shell is provided with a socket for accommodating the socket connector The receiving hole, the plug terminal has a butt joint protruding forward into the receiving hole, the feature is that: the plug terminal is set as a probe, and the plug connector is also provided on both sides of the insertion hole for locking The locking part on the socket connector protrudes from the receiving hole to the metal shell. 7. The plug connector according to claim 6, characterized in that: the plug connector includes a metal inner shell, and the metal inner shell includes a frame body assembled on the plug body and left and right ends of the frame body A pair of locking arms extending forward, the locking arms are located in the receiving hole, and the locking portion is located at the front end of the locking arms. 8. The plug connector according to claim 7, wherein the plug body includes a main body and a tongue protruding from the main body into the receiving hole, the main body is provided with an annular positioning groove, and the annular groove is formed from the front surface of the main body. A depression is formed, and the frame body is accommodated in the positioning groove. The metal shell includes a top wall, a bottom wall, and opposite side walls connecting the top wall and the bottom wall. The receiving holes are formed on the top wall, bottom wall, and both side walls. Between, the top wall and the bottom wall are attached to the tongue, and the two side walls are spaced apart from the tongue. 9. The plug connector according to claim 6, characterized in that: the butt joints of the plug terminals are arranged in a row along the left and right directions, and in the height direction, the butt joints are located at the center of the receiving hole, and the receiving hole The opening of the plug has a symmetrical structure up and down, and the plug terminal conforms to the Micro USB transmission protocol. 10. An electrical connector combination, which includes a socket connector and a plug connector that are docked with each other, the socket connector includes a socket body, a number of socket terminals accommodated in the socket body, and a metal shell that wraps the socket body, the The metal shell is provided with an insertion hole, the socket body is provided with an insertion portion protruding forward into the insertion hole, and the plug connector includes a plug body, a plug terminal accommodated in the plug body and a covering The metal shell of the plug body, the metal shell is plugged into the socket hole, the metal shell is provided with a receiving hole for receiving the insertion part, and the plug terminal has a docking part protruding forward into the receiving hole , it is characterized in that: the socket terminal has a connecting part protruding forward from the socket part, a bending part bent downward from the connecting part, and a contact part bent upward from the bottom end of the bent part, so The contact part is in contact with the docking part, the connection part, the bending part and the contact part are located in the insertion hole, and the plug terminal is configured as a probe. 11. The electrical connector combination according to claim 10, characterized in that: the contact parts of the socket terminals are arranged in a row along the left and right directions, and in the height direction, the contact parts are located at the center of the insertion hole, and the The opening of the plug hole is symmetrical up and down; the butt joints of the plug terminals are arranged in a row along the left and right directions, and in the height direction, the butt joints are located at the center of the receiving hole, and the opening of the receiving hole is symmetrical up and down. 12. The electrical connector assembly according to claim 10, wherein the plug connector includes a metal inner shell, and the metal inner shell includes a frame body assembled on the plug body and two left and right sides of the frame body. A pair of locking arms extending forward. The locking arms are located in the receiving hole. The front end of the locking part is provided with a locking part that protrudes from the receiving hole to the metal shell. The lock hole where the locking parts are locked together.