阅读说明：本技术 电连接器及其制造方法 (Electric connector and manufacturing method thereof ) 是由 金左锋 于 2021-06-30 设计创作，主要内容包括：本发明公开了一种电连接器及其制造方法,电连接器包括：绝缘本体设有上下贯穿的收容槽；第一金属片与第二金属片均嵌设于绝缘本体,第一金属片彼此电性连接,第二金属片与第一金属片分离设置,第一金属片设有连通于对应的收容槽的安装孔,第二金属片设有连通于对应的收容槽的安装孔；接地端子包括收容于收容槽的第一导体和第二导体,信号端子包括收容于收容槽的第一导体和第二导体,第一导体与第二导体均具有固持部和自固持部延伸形成的弹臂,弹臂设有凸出绝缘本体表面的接触部,以与对接件电连接,第一导体和第二导体两者的固持部相互固定,两个固持部一起向下插设于对应的安装孔而被固定,组装方便,相对电镀的导电层,电连接器的结构强度更好。(The invention discloses an electric connector and a manufacturing method thereof, wherein the electric connector comprises: the insulating body is provided with an accommodating groove which penetrates up and down; the first metal sheet and the second metal sheet are embedded in the insulation body, the first metal sheets are electrically connected with each other, the second metal sheets are arranged separately from the first metal sheets, the first metal sheets are provided with mounting holes communicated with the corresponding accommodating grooves, and the second metal sheets are provided with mounting holes communicated with the corresponding accommodating grooves; the grounding terminal comprises a first conductor and a second conductor which are contained in the containing groove, the signal terminal comprises a first conductor and a second conductor which are contained in the containing groove, the first conductor and the second conductor are respectively provided with a fixing part and an elastic arm which is formed by extending from the fixing part, the elastic arm is provided with a contact part which protrudes out of the surface of the insulating body so as to be electrically connected with the butt joint piece, the fixing parts of the first conductor and the second conductor are mutually fixed, the two fixing parts are downwards inserted into the corresponding mounting holes together and fixed, the assembly is convenient, and the structural strength of the electric connector is better compared with an electroplated conducting layer.)

1. An electrical connector for electrically connecting a first mating member and a second mating member, comprising:

the insulating body is provided with a plurality of accommodating grooves, the accommodating grooves vertically penetrate through the insulating body, and the accommodating grooves comprise a plurality of first accommodating grooves and a plurality of second accommodating grooves;

the grounding plate and the second metal sheets are embedded in the insulating body, the grounding plate is provided with a plurality of first metal sheets corresponding to the first accommodating grooves, the first metal sheets are electrically connected with each other, the second metal sheets are separated from the grounding plate and are arranged corresponding to the second accommodating grooves, each first metal sheet and each second metal sheet are provided with a mounting hole, the first mounting hole is defined as a first mounting hole arranged in the first metal sheet, the second mounting hole is defined as a second mounting hole arranged in the second metal sheet, the first mounting hole is communicated with the corresponding first accommodating groove, and the second mounting hole is communicated with the corresponding second accommodating groove;

a plurality of conductive terminals including a plurality of ground terminals and a plurality of signal terminals, the ground terminals being received in the first receiving grooves, the second terminals are accommodated in the second accommodating grooves, each conductive terminal comprises a first conductor and a second conductor, the first conductor and the second conductor are provided with a holding part and an elastic arm formed by extending from the holding part, the elastic arm is provided with a contact part, the contact part of the first conductor protrudes upwards out of the upper surface of the insulating body and is used for being electrically connected with the first butting piece, the contact part of the second conductor protrudes downwards out of the lower surface of the insulating body and is used for being electrically connected with the second butt joint piece, the holding parts of the first conductor and the second conductor are fixed with each other, and the two holding parts are inserted downwards into the corresponding mounting holes together to be fixed.

2. The electrical connector of claim 1, wherein: the ground plate further includes a base sheet surrounding the plurality of first metal pieces and the plurality of second metal pieces, and a plurality of connection portions, and a portion of the first metal pieces and the base sheet are electrically connected through a portion of the connection portions.

3. The electrical connector of claim 2, wherein: the substrate, the first metal sheet and the second metal sheet are arranged in a coplanar manner with the connecting part.

4. The electrical connector of claim 2, wherein: the substrate includes a mutually perpendicular's a first edge and a second edge, and is a plurality of first conductor and a plurality of the second conductor all follows first edge is arranged into the multirow, follows the second edge is arranged into the multiseriate, first conductor the bullet arm with the second conductor the bullet arm all with first edge is inclination setting.

5. The electrical connector of claim 1, wherein: the fixing part of the first conductor and the fixing part of the second conductor are both flat-shaped and mutually attached, and are fixed with each other in a welding mode.

6. The electrical connector of claim 1, wherein: the lower end of each fixing part is provided with a retaining part, each retaining part comprises an extending part formed by extending the fixing part downwards and a bending part formed by bending and extending the lower end of the extending part upwards, the bending part of the grounding terminal is positioned below the corresponding first metal sheet and horizontally extends outwards to the hole edge of the corresponding first mounting hole, and the bending part of the signal terminal is positioned below the corresponding second metal sheet and horizontally extends outwards to the hole edge of the corresponding second mounting hole.

7. The electrical connector of claim 6, wherein: the bending parts and the corresponding fixing parts are arranged at intervals in the vertical direction.

8. The electrical connector of claim 7, wherein: the elastic arm extends forwards from the front side of the corresponding fixing part, and the bending part is positioned in front of the extending part.

9. The electrical connector of claim 6, wherein: a through groove is formed between the bending part and the extending part, so that the bending part and the extending part can be elastically deformed in the process of inserting into the corresponding mounting holes.

10. The electrical connector of claim 1, wherein: the elastic arm of the first conductor and the elastic arm of the second conductor are formed by extending from the corresponding holding parts in the vertical direction in the direction away from each other.

11. The electrical connector of claim 1, wherein: the upper end of each fixing part is provided with a material connecting part for connecting a material belt.

12. The electrical connector of claim 1, wherein: it is a plurality of the accepting groove is multirow and multiseriate setting, insulator is equipped with a plurality of pre-breaking holes, run through from top to bottom in the pre-breaking hole insulator, every row arbitrary adjacent two set up one between the accepting groove the pre-breaking hole, the ground plate further includes a plurality of first connecting portion, and is a plurality of connect through a plurality of between the first sheetmetal, part be equipped with in the pre-breaking hole first connecting portion.

13. The electrical connector of claim 1, wherein: each the accepting groove includes one and steps down groove and a mounting groove, step down the groove with the mounting groove runs through respectively from top to bottom insulator, the mounting groove corresponds from top to bottom the mounting hole, the ground plate corresponds each the groove of stepping down is equipped with one and steps down the hole, the second conductor the contact site passes step down the groove with correspond the hole of stepping down.

14. The electrical connector of claim 13, wherein: the insulation body is arranged in each accommodating groove, the supporting parts are located the yielding groove and the mounting groove, each accommodating groove is arranged above the supporting parts and is provided with a communicating groove, the communicating grooves are used for communicating the mounting groove and the yielding groove, and the supporting parts are used for supporting the elastic arms of the second conductors.

15. The electrical connector of claim 14, wherein: the supporting part has an inclined plane that sets up, the inclined plane certainly the groove tilt up that lets extends, and is arriving terminate before the mounting groove, the second conductor the bullet arm includes a horizontal segment and certainly the horizontal segment extends a slope section that forms, the horizontal segment certainly the second conductor the side edge of holding portion extends and forms, the horizontal segment paste in the top surface of supporting part, the slope section paste in the slope portion.

16. The electrical connector of claim 14, wherein: the first conductor and the second conductor are both of blanking structures and are both flat.

17. A method of manufacturing an electrical connector, comprising the steps of:

cutting a metal plate, wherein a plurality of metal sheets and a plurality of connecting parts are formed on the cut metal plate, a mounting hole is formed in each metal sheet, and the metal sheets and the connecting parts are connected with each other;

b, injection molding an insulating body on the cut metal plate, wherein an accommodating groove is formed in the position, corresponding to each mounting hole, of the insulating body, a pre-breaking hole is formed in the position, corresponding to each connecting part, of the insulating body, the accommodating grooves are communicated with the corresponding mounting holes vertically, and the pre-breaking holes are connected with the corresponding connecting parts vertically;

c, disconnecting all the connecting parts connected with a part of the metal sheets from the corresponding pre-breaking holes, so that the part of the metal sheets are independent from each other to form electrical insulation, wherein the metal sheets without disconnecting the connecting parts are defined as first metal sheets, and the metal sheets with the disconnected connecting parts are defined as second metal sheets;

step d, providing a plurality of conductive terminals, each of which comprises a plurality of ground terminals and a plurality of signal terminals, each of which comprises a first conductor and a second conductor, each of the first conductor and the second conductor having a holding portion and an elastic arm extending from the holding portion, the elastic arm having a contact portion, the holding portions of the first conductor and the second conductor being fixed to each other, the two holding portions of the ground terminals being inserted into the mounting hole of the first metal plate together, and the two holding portions of the signal terminals being inserted into the mounting hole of the second metal plate together, so that the conductive terminals are received in the receiving slots, the contact portion of the first conductor protruding upward out of the upper surface of the insulating body for electrical connection with the first mating member, the contact part of the second conductor protrudes downwards out of the lower surface of the insulating body and is electrically connected with the second butt joint piece.

18. The method of manufacturing an electrical connector of claim 17, wherein: in step a, a substrate in the shape of a frame body is cut on a metal plate, the substrate surrounds a plurality of metal sheets and a plurality of connecting parts, the metal sheets on the periphery are connected with the substrate through a part of the connecting parts, and in step c, the substrate, the plurality of first metal sheets and the connecting parts which are not disconnected are connected into an integrated structure to form a grounding plate together.

19. The method of manufacturing an electrical connector of claim 17, wherein: in step d, the first conductor and the second conductor are first attached to each other, and then the first conductor and the second conductor are fixed together by welding.

20. The method of manufacturing an electrical connector of claim 17, wherein: in step d, each holding part is connected with a material belt, a pre-breaking part is arranged at the connection part of the holding part and the material belt, the conductive terminals are installed in the accommodating grooves through the material belt, and then the material belt is separated from the pre-breaking part.

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector and a method for manufacturing the same, and more particularly, to an electrical connector for achieving double-sided compression between a chip and a circuit board and a method for manufacturing the same.

[ background of the invention ]

An electrical connector comprising an insulative housing and a plurality of conductive terminals, the plurality of conductive terminals including a plurality of signal terminals and a plurality of ground terminals, the insulative housing having a plurality of receiving slots extending vertically through the insulative housing, the plurality of receiving slots including a plurality of signal receiving slots for receiving the signal terminals and a plurality of ground receiving slots for receiving the ground terminals, the upper and lower surfaces of the insulative housing and the walls of the receiving slots being plated with a conductive layer for preventing the signal terminals from shorting with the conductive layers on the upper and lower surfaces of the insulative housing, thereby electrically isolating the conductive layers of the signal receiving slots from the conductive layers on the upper and lower surfaces of the insulative housing, the conductive layers of the ground receiving slots being electrically connected to the conductive layers on the upper and lower surfaces of the insulative housing, so that all the grounding terminals are electrically connected through the conductive layer. Each conductive terminal comprises a first conductive body and a second conductive body, the first conductive body is inserted into the containing groove from top to bottom and is electrically contacted with the conductive layer of the containing groove, and the second conductive body is inserted into the containing groove from bottom to top and is electrically contacted with the conductive layer of the containing groove.

Each conductive terminal in the electric connector needs to be installed in an upper direction and a lower direction, and the manufacturing process is complex; in the process that the conductive terminal is pressed, the conductive layer in the accommodating groove is damaged due to the elastic deformation of the terminal, so that the circuit is broken; and after the signal terminal is crimped, the elastic arm of the signal terminal risks contacting the conductive layer on the surface of the insulating body, and the transmission of high-speed signals is influenced.

Therefore, in view of the above problems, it is desirable to design a new electrical connector and a method for manufacturing the same to solve the above drawbacks.

[ summary of the invention ]

The invention provides an electric connector and a manufacturing method thereof, aiming at the problems in the prior art, a plurality of grounding terminals are fixed on a plurality of first metal sheets which are electrically connected with each other, a plurality of signal terminals are fixed on a plurality of second metal sheets, a conductive terminal is convenient to mount, and the elastic arm of the conductive terminal has better mechanical property in the elastic deformation process and is beneficial to stable contact.

In order to achieve the purpose, the invention adopts the following technical means:

an electrical connector for electrically connecting a first mating member and a second mating member, comprising: the insulating body is provided with a plurality of accommodating grooves, the accommodating grooves vertically penetrate through the insulating body, and the accommodating grooves comprise a plurality of first accommodating grooves and a plurality of second accommodating grooves; the grounding plate and the second metal sheets are embedded in the insulating body, the grounding plate is provided with a plurality of first metal sheets corresponding to the first accommodating grooves, the first metal sheets are electrically connected with each other, the second metal sheets are separated from the grounding plate and are arranged corresponding to the second accommodating grooves, each first metal sheet and each second metal sheet are provided with a mounting hole, the first mounting hole is defined as a first mounting hole arranged in the first metal sheet, the second mounting hole is defined as a second mounting hole arranged in the second metal sheet, the first mounting hole is communicated with the corresponding first accommodating groove, and the second mounting hole is communicated with the corresponding second accommodating groove; a plurality of conductive terminals including a plurality of ground terminals and a plurality of signal terminals, the ground terminals being received in the first receiving grooves, the second terminals are accommodated in the second accommodating grooves, each conductive terminal comprises a first conductor and a second conductor, the first conductor and the second conductor are provided with a holding part and an elastic arm formed by extending from the holding part, the elastic arm is provided with a contact part, the contact part of the first conductor protrudes upwards out of the upper surface of the insulating body and is used for being electrically connected with the first butting piece, the contact part of the second conductor protrudes downwards out of the lower surface of the insulating body and is used for being electrically connected with the second butt joint piece, the holding parts of the first conductor and the second conductor are fixed with each other, and the two holding parts are inserted downwards into the corresponding mounting holes together to be fixed.

Further, the ground plate further includes a base sheet and a plurality of connection portions, the base sheet surrounds the plurality of first metal pieces and the plurality of second metal pieces, and a part of the first metal pieces and the base sheet are electrically connected through a part of the connection portions.

Further, the substrate, the first metal sheet and the second metal sheet are arranged in a coplanar manner with the connecting portion.

Further, the substrate includes a first edge and a second edge of mutually perpendicular, and is a plurality of first conductor and a plurality of the second conductor all follows first edge is arranged into the multirow, follows the second edge is arranged into the multirow, first conductor the bullet arm with the second conductor the bullet arm all with first edge is the inclination setting.

Further, the holding part of the first conductor and the holding part of the second conductor are both flat-shaped and attached to each other, and are fixed to each other by welding.

Furthermore, the lower end of each holding portion is provided with a retaining portion, the retaining portion comprises an extending portion formed by extending the holding portion downwards, and a bending portion formed by bending and extending the lower end of the extending portion upwards, the bending portion of the ground terminal is located below the corresponding first metal sheet and horizontally extends outwards to the hole edge of the corresponding first mounting hole, the bending portion of the signal terminal is located below the corresponding second metal sheet and horizontally extends outwards to the hole edge of the corresponding second mounting hole.

Further, the bending part and the corresponding holding part are arranged at intervals in the vertical direction.

Furthermore, the elastic arm extends forwards from the front side of the corresponding holding part, and the bent part is positioned in front of the extending part.

Furthermore, a through groove is formed between the bending part and the extending part, so that the bending part and the extending part can be elastically deformed in the process of inserting into the corresponding mounting hole.

Further, the spring arm of the first conductor and the spring arm of the second conductor are formed to extend in a direction away from each other from the corresponding holding portions in the up-down direction.

Furthermore, the upper end of each holding part is provided with a material connecting part for connecting a material belt.

Further, it is a plurality of the accepting grooves are arranged in a plurality of rows and a plurality of columns, the insulating body is provided with a plurality of pre-breaking holes, the pre-breaking holes penetrate through the insulating body from top to bottom, one pre-breaking hole is arranged between every two adjacent accepting grooves in any row, one pre-breaking hole is arranged between every two adjacent accepting grooves in any column, the ground plate further comprises a plurality of first connecting portions, the first metal sheets are connected through the first connecting portions, and part of the first connecting portions are arranged in the pre-breaking holes.

Further, each accepting groove includes one and steps down groove and a mounting groove, step down the groove with the mounting groove runs through respectively from top to bottom insulator, the mounting groove corresponds from top to bottom the mounting hole, the ground plate corresponds each the groove of stepping down is equipped with one and steps down the hole, the second conductor the contact site passes step down the groove with correspond the hole of stepping down.

Further, the insulator is in each be equipped with a supporting part in the accepting groove, the supporting part is located step down the groove with between the mounting groove, each the accepting groove in the supporting part top is equipped with a communicating groove, the communicating groove is used for the intercommunication the mounting groove with step down the groove, the supporting part is used for supporting the second conductor play the arm.

Further, the supporting part has an inclined plane that sets up, the inclined plane certainly the groove tilt up that lets extends, and is arriving termination before the mounting groove, the second conductor the bullet arm includes a horizontal segment and certainly the horizontal segment extends a slope section that forms, the horizontal segment certainly the second conductor the side edge of holding portion extends and forms, the horizontal segment paste in the top surface of supporting part, the slope section paste in the slope portion.

Further, the first conductor and the second conductor are both of blanking structures and are both flat.

Compared with the prior art, the invention has the following beneficial effects:

inserting and holding the first conductor and the second conductor of the ground terminal together downward into the first mounting hole of the first metal plate, inserting and holding the first conductor and the second conductor of the signal terminal together downward into the second mounting hole of the second metal plate, so that the first conductor and the second conductor are mounted in the corresponding mounting holes at one time, the assembly process is convenient, and the first metal plates on the ground plate are electrically connected with each other, not only shielding is achieved corresponding to the signal terminal, crosstalk is reduced, but also the ground terminals are made to have a zero potential, when the first butting member and the second butting member respectively compress the elastic arm of the first conductor and the elastic arm of the second conductor, the holding portion of the ground terminal is stabilized in the first mounting hole during elastic deformation of the elastic arms, the fixing part of the signal terminal is stably fixed in the second mounting hole, and compared with an electroplated conducting layer, the strength of the metal sheet is good, so that stable electrical connection is facilitated.

In order to achieve the purpose, the invention adopts the following technical means:

a method of manufacturing an electrical connector comprising the steps of: cutting a metal plate, wherein a plurality of metal sheets and a plurality of connecting parts are formed on the cut metal plate, a mounting hole is formed in each metal sheet, and the metal sheets and the connecting parts are connected with each other; b, injection molding an insulating body on the cut metal plate, wherein an accommodating groove is formed in the position, corresponding to each mounting hole, of the insulating body, a pre-breaking hole is formed in the position, corresponding to each connecting part, of the insulating body, the accommodating grooves are communicated with the corresponding mounting holes vertically, and the pre-breaking holes are connected with the corresponding connecting parts vertically; c, disconnecting all the connecting parts connected with a part of the metal sheets from the corresponding pre-breaking holes, so that the part of the metal sheets are independent from each other to form electrical insulation, wherein the metal sheets without disconnecting the connecting parts are defined as first metal sheets, and the metal sheets with the disconnected connecting parts are defined as second metal sheets; step d, providing a plurality of conductive terminals, each of which comprises a plurality of ground terminals and a plurality of signal terminals, each of which comprises a first conductor and a second conductor, each of the first conductor and the second conductor having a holding portion and an elastic arm extending from the holding portion, the elastic arm having a contact portion, the holding portions of the first conductor and the second conductor being fixed to each other, the two holding portions of the ground terminals being inserted into the mounting hole of the first metal plate together, and the two holding portions of the signal terminals being inserted into the mounting hole of the second metal plate together, so that the conductive terminals are received in the receiving slots, the contact portion of the first conductor protruding upward out of the upper surface of the insulating body for electrical connection with the first mating member, the contact part of the second conductor protrudes downwards out of the lower surface of the insulating body and is electrically connected with the second butt joint piece.

Further, in the step a, a substrate which is a frame body is cut on the metal plate, the substrate surrounds the plurality of metal sheets and the plurality of connecting parts, the peripheral metal sheets are connected with the substrate through a part of the connecting parts, and in the step c, the substrate, the plurality of first metal sheets and the connecting parts which are not disconnected are connected into an integrated structure to form a grounding plate together.

Further, in step d, the first conductor and the second conductor are first attached to each other, and then the first conductor and the second conductor are fixed together by welding.

Further, in step d, each holding portion is connected to a strip, a pre-breaking portion is disposed at a connection position of the holding portion and the strip, the conductive terminals are mounted in the receiving slots through the strip, and then the strip is separated from the pre-breaking portion.

Compared with the prior art, the invention has the following beneficial effects:

forming the first metal sheet, the second metal sheet and the connecting portions connecting the first metal sheet and the second metal sheet by using the same metal plate, cutting off the second metal sheet, forming the first mounting hole in the first metal sheet, forming the second mounting hole in the second metal sheet, communicating the first receiving groove of the insulating body with the first mounting hole for receiving the ground terminal, communicating the second receiving groove of the insulating body with the second mounting hole for receiving the signal terminal, inserting the first conductor and the second conductor of the ground terminal into the first mounting hole after being fixed to each other, inserting the first conductor and the second conductor of the signal terminal into the second mounting hole after being fixed to each other, the assembly is convenient, the manufacturing process is simpler, the cost is saved, and the fixing part of the first conductor and the fixing part of the second conductor are stably fixed in the first mounting hole or the second mounting hole, and the metal sheet has good structural strength and is favorable for the stability of electric connection relative to the electroplated conducting layer.

[ description of the drawings ]

Fig. 1 is an exploded perspective view of the electrical connector of the present invention;

FIG. 2 is a schematic view of the present invention injection molding an insulator onto a cut metal plate;

FIG. 3 is a top view of the cut metal sheet of FIG. 2 embedded in the insulator body;

FIG. 4 is an enlarged view of C in FIG. 3;

FIG. 5 is a schematic view of FIG. 3 showing all the connecting portions connecting the second metal sheet broken;

FIG. 6 is an enlarged view of D in FIG. 5;

FIG. 7 is a schematic view of the metal sheet shown in FIG. 5 with only portions of the connection broken away;

fig. 8 is a perspective view of a portion of the conductive terminals mounted in the housing of fig. 5;

fig. 9 is a perspective view of the insulative housing with all of the conductive terminals of fig. 8 mounted therein;

FIG. 10 is a top view of FIG. 9;

FIG. 11 is a partial cross-sectional view taken along line E-E of the electrical connector of FIG. 10 in alignment with the first and second mating members;

FIG. 12 is a perspective view of the hidden insulator shown in FIG. 9;

FIG. 13 is a perspective view of the alternative view of FIG. 12;

fig. 14 is an enlarged view of F in fig. 13.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

electrical connector 100	Insulating body 1	First side edge 1a	Second side 1b
				Storage tank 11	First housing groove 11a	Second housing groove 11b	Abdication groove 111
Mounting groove 112	Communication groove 113	Support part 12	The top surface 121
				Inclined surface 122	Pre-breaking hole 13	Metal sheet material M	Metal sheet 2
First metal sheet 2a	Second metal sheet 2b	Mounting hole 21	First mounting hole 21a
				Second mounting hole 21b	Connecting part 3	First connection portion 3a	Second connecting portion 3b
Substrate 4	First edge 41	Second edge 42	Grounding plate N
				Abdication hole N1	Conductive terminal 5	Signal terminal 5S	Grounding terminal 5G
First conductor 5a	Second conductor 5b	Holding part 51	Pre-breaking part 511
				Spring arm 52	Horizontal segment 521	Inclined section 522	Contact portion 523
Retaining part 53	Extension 531	A bent part 532	Through groove 533
				First docking member 200	Second docking member 300	Material belt 400

[ detailed description ] embodiments

For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow.

As shown in fig. 1, 9 and 11, in the electrical connector 100 of the present invention, the electrical connector 100 is used to electrically connect a first mating element 200 and a second mating element 300, for example, in the present embodiment, the first mating element 200 is a chip, and the second mating element 300 is a circuit board, but in other embodiments, both the first mating element 200 and the second mating element 300 may be the circuit board or other components.

As shown in fig. 1 and 7, the electrical connector 100 includes an insulative housing 1, a plurality of metal sheets 2, a plurality of connecting portions 3, a substrate 4 and a plurality of conductive terminals 5, wherein the plurality of metal sheets 2, the plurality of connecting portions 3 and the substrate 4 are embedded in the insulative housing 1 by insert molding.

As shown in fig. 1, fig. 2 and fig. 3, the insulation body 1 is substantially a rectangular body, and has two first sides 1a disposed opposite to each other and two second sides 1b disposed opposite to each other, the two second sides 1b are connected between the two first sides 1a, and the first sides 1a are perpendicular to the second sides 1 b. Insulator 1 is equipped with a plurality of accepting grooves 11 and a plurality of pre-breaking hole 13, accepting groove 11 with pre-breaking hole 13 all runs through from top to bottom insulator 1, and is a plurality of accepting groove 11 is followed first side 1a is the multirow setting, and is a plurality of accepting groove 11 is followed second side 1b is multiseriate setting, and every row arbitrary adjacent two set up one between accepting groove 11 pre-breaking hole 13, every row arbitrary adjacent two also set up one between accepting groove 11 pre-breaking hole 13 is being closest one of it is in one of them first side 1 a's a row the outside of accepting groove 11 corresponds each accepting groove 11 also sets up one pre-breaking hole 13 is being closest one of one of second side 1b one row the outside of accepting groove 11 corresponds each accepting groove 11 also sets up one pre-breaking hole 13. The plurality of receiving grooves 11 include a plurality of first receiving grooves 11a and a plurality of second receiving grooves 11 b.

As shown in fig. 11, each of the accommodating slots 11 includes a receding slot 111 and an installation slot 112 disposed at a front-rear interval, and the receding slot 111 and the installation slot 112 respectively penetrate through the insulating body 1 from top to bottom. Insulator 1 is in each be equipped with a supporting part 12 in the accepting groove 11, the supporting part 12 is located step down groove 111 with between the mounting groove 112, the lower surface of supporting part 12 with insulator 1's lower surface parallel and level, each the accepting groove 11 in the supporting part 12 top is equipped with a intercommunication groove 113, intercommunication groove 113 is used for the intercommunication in the front and back direction the mounting groove 112 with step down groove 111. The upper surface of the supporting portion 12 is partially horizontally disposed to form a top surface 121, and partially obliquely disposed to form an inclined surface 122, wherein the inclined surface 122 extends from the receding groove 111 toward the mounting groove 112 and is inclined upward, and terminates before reaching the mounting groove 112.

As shown in fig. 5, 6 and 7, the metal sheet 2, the connecting portion 3 and the substrate 4 are formed by stamping the same metal plate material M, so that they are arranged in a coplanar manner. The plurality of metal sheets 2 includes a plurality of first metal sheets 2a and a plurality of second metal sheets 2b, and the plurality of connection portions 3 includes a plurality of first connection portions 3 a. The substrate 4 includes two first edges 41 disposed opposite to each other and two second edges 42 disposed opposite to each other, the first edges 41 are perpendicular to the second edges 42, and the two second edges 42 are connected between the two first edges 41, the first edges 41 correspond to the first sides 1a of the insulator 1, and the second edges 42 correspond to the second sides 1b of the insulator 1. The plurality of first metal sheets 2a and the plurality of second metal sheets 2b are all arranged in a plurality of rows along the first edge 41 and in a plurality of columns along the second edge 42, the plurality of first metal sheets 2a are connected by a part of the first connecting portions 3a, wherein a part of the first metal sheets 2a is connected with the substrate 4 by another part of the first connecting portions 3a, the first connecting portions 3a are arranged in a part of the pre-breaking holes 13, and no connecting portion 3 is arranged in the other part of the pre-breaking holes 13. The first metal sheets 2a, the substrate 4 and the first connecting portions 3a together form a ground plane N, and the second metal sheets 2b are separated from the ground plane N and electrically insulated from each other.

As shown in fig. 11, 12 and 13, the ground plate N is provided with a yielding hole N1 corresponding to each yielding groove 111, and the yielding groove 111 is communicated with the yielding hole N1.

As shown in fig. 6, 7 and 11, each metal sheet 2 is correspondingly provided with a mounting hole 21, the first mounting hole 21a is defined in the first metal sheet 2a, the second mounting hole 21b is defined in the second metal sheet 2b, one first metal sheet 2a is correspondingly provided in each first accommodating groove 11a, one second metal sheet 2b is correspondingly provided in each second accommodating groove 11b, the first mounting hole 21a of the first metal sheet 2a is communicated with the corresponding first accommodating groove 11a, and the second mounting hole 21b of the second metal sheet 2b is communicated with the corresponding second accommodating groove 11 b. The first mounting holes 21a in the first receiving grooves 11a are vertically communicated with the corresponding mounting grooves 112, and the second mounting holes 21b in the second receiving grooves 11b are vertically communicated with the corresponding mounting grooves 112.

As shown in fig. 11 and 12, the plurality of conductive terminals 5 include a plurality of ground terminals 5G and a plurality of signal terminals 5S, the ground terminals 5G are accommodated in the first accommodating groove 11a, and the signal terminals 5S are accommodated in the second accommodating groove 11 b.

As shown in fig. 1 and 11, each of the conductive terminals 5 includes a first conductor 5a and a second conductor 5b formed independently from each other, each of the first conductor 5a and the second conductor 5b has a holding portion 51 and an elastic arm 52 extending forward from a front side of the holding portion 51, the elastic arm 52 of the first conductor 5a and the elastic arm 52 of the second conductor 5b are formed extending in a vertical direction from the corresponding holding portion 51 toward a direction away from each other, the elastic arm 52 of the first conductor 5a and the elastic arm 52 of the second conductor 5b are received in the corresponding communication groove 113, and each of the elastic arms 52 has a contact portion 523.

As shown in fig. 11, the contact portion 523 of the first conductor 5a protrudes upward from the upper surface of the insulating body 1 for electrically connecting with the first mating connector 200.

As shown in fig. 11 and 13, the resilient arm 52 of the second conductor 5b is engaged with the upper surface of the support portion 12, in this embodiment, the elastic arm 52 of the second conductor 5b includes a horizontal section 521 and an inclined section 522 extending from the horizontal section 521, the contact portion 523 of the second conductor 5b is located at one end of the inclined section 522, and is formed to protrude downward from the inclined section 522, the horizontal section 521 is connected to the front side of the holding portion 51 of the second conductor 5b, the horizontal section 521 abuts against the top surface 121 of the support portion 12, the inclined section 522 abuts against the inclined surface 122, thereby, the elastic arm 52 of the first conductor 5a and the elastic arm 52 of the second conductor 5b are far away from each other, and the two elastic arms 52 are prevented from rubbing against each other due to elastic deformation, and the elasticity of the elastic arms 52 is prevented from being influenced. The contact portion 523 of the second conductor 5b passes through the abdicating groove 111 and the corresponding abdicating hole N1, and protrudes downward from the lower surface of the insulating body 1 for electrically connecting with the second counterpart device 300.

As shown in fig. 1 and 14, the first conductor 5a and the second conductor 5b are both made of a conductive plate made of metal by blanking, namely, the first conductor 5a and the second conductor 5b are both of blanking type structures and are both of flat plate shapes, in this way, the holding portion 51 of the first conductor 5a and the holding portion 51 of the second conductor 5b are also flat, the holding portion 51 of the first conductor 5a and the holding portion 51 of the second conductor 5b are attached to each other and fixed to each other by welding, for example, by laser welding, so that the holding portion 51 of the first conductor 5a and the holding portion 51 of the second conductor 5b are stably combined, of course, in other embodiments, they may be fixed to each other in other ways, such as by snap-fitting, or by soldering.

As shown in fig. 8, 11 and 12, the two holding portions 51 of the ground terminal 5G are inserted downward together into the corresponding first mounting hole 21a and fixed to the first mounting hole 21a, and the two holding portions 51 of the signal terminal 5S are inserted downward together into the corresponding second mounting hole 21b and fixed to the second mounting hole 21b, so that the first conductor 5a and the second conductor 5b are assembled into the receiving slot 11 in a same-direction manner at one time, the assembly is easy, and the holding portions 51 of the first conductor 5a and the holding portions 51 of the second conductor are stably held in the first mounting hole 21a or the second mounting hole 21b during the elastic deformation of the elastic arm 52, thereby preventing looseness and effectively preventing poor contact. The plurality of first conductors 5a and the plurality of second conductors 5b are arranged in a plurality of rows along the first edge 41 and a plurality of columns along the second edge 42, and the elastic arms 52 of the first conductors 5a and the elastic arms 52 of the second conductors 5b are arranged at an oblique angle to the first edge 41.

As shown in fig. 8, 11 and 14, each of the holding portions 51 has a connecting portion at an upper end thereof for connecting a tape 400. The lower end of each holding portion 51 is provided with a retaining portion 53, the retaining portion 53 includes an extending portion 531 extending downward from the holding portion 51, a bending portion 532 extending upward from the lower end of the extending portion 531, the bending portion 532 and the corresponding holding portion 51 are arranged at an interval in the vertical direction, and the bending portion 532 is located in front of the extending portion 531. A through groove 533 is formed between the bent portion 532 and the extended portion 531 to facilitate the elastic deformation of the bent portion 532 and the extended portion 531 during the insertion of the corresponding mounting hole 21.

As shown in fig. 13 and 14, the bent portion 532 of the ground terminal 5G is located below the corresponding first metal piece 2a and horizontally protrudes outward beyond the hole edge of the corresponding first mounting hole 21a to prevent the holding portion 51 of the ground terminal 5G from being separated upward from the first mounting hole 21a of the first metal piece 2a, and the bent portion 532 of the signal terminal 5S is located below the corresponding second metal piece 2b and horizontally protrudes outward beyond the hole edge of the corresponding second mounting hole 21b to prevent the holding portion 51 of the signal terminal 5S from being separated upward from the second mounting hole 21b of the second metal piece 2 b.

As shown in fig. 2 to 11, the method for manufacturing the electrical connector 100 includes the following steps:

as shown in fig. 2, step a is first performed to cut a metal plate material M, so that a plurality of metal sheets 2, a plurality of connecting portions 3, and a substrate 4 surrounding the plurality of metal sheets 2 and the plurality of connecting portions 3 are formed on the cut metal plate material M, a mounting hole 21 is formed on each metal sheet 2, the plurality of metal sheets 2 are connected to each other through a portion of the connecting portions 3, and a portion of each metal sheet 2 is connected to the substrate 4 through another portion of the connecting portions 3.

As shown in fig. 2, fig. 3 and fig. 4, then, step b is executed, an insulating body 1 is injection molded on the cut metal plate M, a receiving groove 11 is formed at a position of the insulating body 1 corresponding to each mounting hole 21, a pre-breaking hole 13 is formed corresponding to each connecting portion 3, the receiving groove 11 is vertically communicated with the corresponding mounting hole 21, and the pre-breaking hole 13 is vertically connected with the corresponding connecting portion 3.

As shown in fig. 5, 6 and 7, then, step c is performed, all the connection portions 3 connected to a portion of the metal sheets 2 are disconnected from the corresponding pre-breaking holes 13, so that the portions of the metal sheets 2 are electrically insulated independently from each other, the metal sheet 2 without the connection portions 3 being disconnected is defined as a first metal sheet 2a, the mounting hole 21 thereon is defined as a first mounting hole 21a, and the metal piece 2 to which the connecting portion 3 is broken is defined as a second metal piece 2b, the mounting hole 21 thereon is defined as a second mounting hole 21b, the connecting portion 3 connecting only the first metal piece 2a is defined, or the connection portion 3 connecting the substrate 4 and the first metal sheet 2a is a first connection portion 3a, and is defined as a second connection portion 3b as long as the second metal sheet 2b is connected. The first metal piece 2a, the substrate 4, and the first connection portion 3a connecting the first metal piece 2a and the substrate 4 together form a ground plane N.

As shown in fig. 8 and 9, step d is finally performed to provide a plurality of conductive terminals 5, the plurality of conductive terminals 5 includes a plurality of ground terminals 5G and a plurality of signal terminals 5S, each conductive terminal 5 includes a first conductor 5a and a second conductor 5b, the first conductor 5a and the second conductor 5b each have a holding portion 51 and an elastic arm 52 extending from the holding portion 51, and the elastic arm 52 has a contact portion 523. Each of the holding portions 51 is connected to a tape 400, a pre-cut portion 511 is disposed at a connection portion between the holding portion 51 and the tape 400, in this embodiment, the pre-cut portion 511 is a through hole structure, and the first conductor 5a and the second conductor 5b are both made of metal conductive plates by blanking, that is, the first conductor 5a and the second conductor 5b are both of a blanking structure and are both flat-plate-shaped, so that the holding portion 51 of the first conductor 5a and the holding portion 51 of the second conductor 5b are both flat-plate-shaped, and the holding portion 51 of the first conductor 5a and the holding portion 51 of the second conductor 5b are attached to each other and fixed to each other by welding. The two holding portions 51 of the ground terminal 5G are inserted downward into the first mounting hole 21a of the first metal sheet 2a together through the tape 400, and the two holding portions 51 of the signal terminal 5S are inserted downward into the second mounting hole 21b of the second metal sheet 2b together, so that the ground terminal 5G is accommodated in the first accommodating groove 11a, the signal terminal 5S is accommodated in the second accommodating groove 11b, and then the tape 400 is separated from the pre-breaking portion 511. (referring to fig. 11) the contact portion 523 of the first conductor 5a protrudes upward from the upper surface of the insulating housing 1 for electrical connection with the first mating device 200, and the contact portion 523 of the second conductor 5b protrudes downward from the lower surface of the insulating housing 1 for electrical connection with the second mating device 300. With such an arrangement, the manufacturing process of the electrical connector 100 is simple, the cost is saved, the holding portion 51 of the ground terminal 5G is stably held in the first mounting hole 21a of the first metal sheet 2a, and the holding portion 51 of the signal terminal 5S is stably held in the second mounting hole 21b of the second metal sheet 2b, so that the structure is stable.

In summary, the electrical connector and the manufacturing method thereof of the present invention have the following advantages:

(1) by inserting and holding the first conductor 5a and the second conductor 5b of the ground terminal 5G together downward into the first mounting hole 21a of the first metal piece 2a, inserting and holding the first conductor 5a and the second conductor 5b of the signal terminal 5S together downward into the second mounting hole 21b of the second metal piece 2b, the first conductor 5a and the second conductor 5b are mounted to the mounting hole 21 at one time, the assembly process is facilitated, and the plurality of first metal pieces 2a on the ground plate N are electrically connected to each other, not only shielding is achieved corresponding to the signal terminal 5S, crosstalk is reduced, but also the plurality of ground terminals 5G are made to have a zero potential, when the first butt-joint member 200 and the second butt-joint member 300 compress the spring arm 52 of the first conductor 5a and the spring arm 52 of the second conductor, respectively, in the process of elastic deformation of the elastic arm 52, the holding portion 51 of the ground terminal 5G is stably held in the first mounting hole 21a, and the holding portion 51 of the signal terminal 5S is stably held in the second mounting hole 21b, so that the strength of the metal sheet is better compared with the plated conductive layer, which is beneficial to stable electrical connection.

(2) Forming the first metal piece 2a, the second metal piece 2b, and the plurality of connecting portions 3 connecting the plurality of first metal pieces 2a and the plurality of second metal pieces 2b from the same metal plate material M, cutting off the second metal piece 2b, forming the first mounting hole 21a in the first metal piece 2a, forming the second mounting hole 21b in the second metal piece 2b, communicating the first mounting hole 21a with the first receiving groove 11a of the insulating body 1 for receiving the ground terminal 5G, communicating the second receiving groove 11b of the insulating body 1 with the second mounting hole 21b for receiving the signal terminal 5S, fixing the first conductor 5a and the second conductor 5b of the ground terminal 5G to each other, and inserting the first receiving hole 21a downward, the first conductor 5a and the second conductor 5b of the signal terminal 5S are mutually fixed and then downwards inserted into the second mounting hole 21b, the assembly is convenient, the manufacturing process is simpler, the cost is saved, and the fixing part 51 of the first conductor 5a and the fixing part 51 of the second conductor 5b are stably fixed in the first mounting hole 21a or the second mounting hole 21b, relative electroplating conductive layers are facilitated, and the metal sheet 2 is good in structural strength and stable in structure.

(3) The bent portion 532 of the ground terminal 5G is located below the corresponding first metal sheet 2a, and horizontally protrudes outward to protrude out of the hole edge of the corresponding first mounting hole 21a, so as to prevent the holding portion 51 of the ground terminal 5G from being separated upward from the first mounting hole 21a of the first metal sheet 2a, and the bent portion 532 of the signal terminal 5S is located below the corresponding second metal sheet 2b, and horizontally protrudes outward to protrude out of the hole edge of the corresponding second mounting hole 21b, so as to prevent the holding portion 51 of the signal terminal 5S from being separated upward from the second mounting hole 21b of the second metal sheet 2 b.

(4) The holding part 51 of the first conductor 5a and the holding part 51 of the second conductor 5b are both flat and attached to each other, and are fixed to each other by welding, for example, by laser welding, so that the holding part 51 of the first conductor 5a and the holding part 51 of the second conductor 5b are stably combined, and the later-stage common mounting to the corresponding metal sheet 2 is facilitated.

(5) Each receiving groove 11 is provided with one supporting portion 12, when the conductive terminal 5 is assembled into the receiving groove 11 downwards, the supporting portion 12 supports the elastic arm 52 of the second conductor 5b to control the insertion depth of the conductive terminal 5, and the supporting portion 12 is provided with the inclined surface 122 which is arranged obliquely to give way to the elastic arm 52 of the second conductor 5b, so that the elastic arm 52 of the second conductor 5b extends obliquely downwards, and the elastic arm 52 of the first conductor 5a and the elastic arm 52 of the second conductor 5b are away from each other, thereby improving the elasticity, preventing the two elastic arms 52 from rubbing each other due to elastic deformation, and avoiding affecting the elastic deformation of the elastic arms 52.

(6) The bending portion 532 of the retaining portion 53 is located in front of the extending portion 531, and a through groove 533 is formed between the bending portion 532 and the extending portion 531, so that the bending portion 532 and the extending portion 531 can be elastically deformed during the process of being inserted into the corresponding mounting hole 21, and the mounting is easy.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and drawings are included in the scope of the present invention.