CN212849138U

CN212849138U - Electric connector module

Info

Publication number: CN212849138U
Application number: CN202021866441.7U
Authority: CN
Inventors: 田立春; 曾铁武; 杨念; 段红勋; 程牧
Original assignee: Wenzhou Yihua Connector Co Ltd
Current assignee: Wenzhou Yihua Connector Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-30
Anticipated expiration: 2030-08-31

Abstract

The utility model provides an electric connector module for be connected with butt joint circuit board electricity, includes base, the terminal subassembly and the cable that combine together with the base, the terminal subassembly includes insulating member and a plurality of conductive terminal that combines together with insulating member, a plurality of conductive terminal arranges into one row at least, the cable is connected with the conductive terminal electricity that corresponds, conductive terminal includes a plurality of to signal terminal and a plurality of ground terminal, and at least one is a pair of each side of signal terminal is equipped with at least one ground terminal, still includes the cluster union piece, the cluster union piece will be located a pair of at least two ground terminal electricity of signal terminal both sides are connected, realize better ground effect, and have better high-speed signal transmission performance.

Description

Electric connector module

[ technical field ] A method for producing a semiconductor device

The application relates to an electrical connector module.

[ background of the invention ]

Chinese patent publication No. CN208889937U discloses a connector module, which comprises a connector module, including a conductive shell with a main body and a terminal assembly fixed with the main body, wherein the terminal assembly comprises an insulating member and a plurality of signal terminals fixed in the insulating member, the insulating member comprises a plurality of insulating bodies arranged in a row and connecting bodies connected as a whole by the plurality of insulating bodies, the main body penetrates in the up-down direction to form a plurality of terminal assembly accommodating cavities arranged in a row and to connect the terminal assembly accommodating cavities in the left-right direction to form a connecting groove, the insulating bodies are correspondingly accommodated in the terminal assembly accommodating cavities, and the connecting bodies are correspondingly accommodated in the connecting groove. The terminals of such an electrical connector module have a certain length of extended path in the insulating member, however, if the high-speed signal terminals are not processed in any way, the high-speed signal transmission is affected, and in addition, the high-speed signal transmission is further affected due to the fact that voltages between the ground terminals are unequal (zero potential cannot be synchronously achieved).

Accordingly, there is a need for a new electrical connector module to solve the above problems.

[ Utility model ] content

An object of the application is to provide an electric connector module, the electric connector module equipment is convenient, and overall structure is stable, has better ground connection effect and has better high-speed signal transmission performance.

In order to achieve the purpose, the method is realized by the following technical scheme:

an electric connector module for electrically connecting with a butt circuit board comprises a base, a terminal assembly combined with the base and a cable, the terminal assembly comprises an insulating member and a plurality of conductive terminals combined with the insulating member, the conductive terminals are arranged in a row at least, each conductive terminal comprises a terminal fixing part fixed in the insulating member, a terminal wiring part extending from one end of the terminal fixing part and exposing the insulating member and the base, and a terminal butt joint part extending from the other end of the terminal fixing part and exposing the insulating member and the base, the cable is electrically connected with the corresponding terminal wiring part, the conductive terminal comprises a plurality of pairs of signal terminals and a plurality of grounding terminals, at least one grounding terminal is respectively arranged on two sides of at least one pair of signal terminals, and the cable also comprises a serial connection piece, the serial connection member electrically connects at least two ground terminals located on both sides of a pair of the signal terminals.

Further, the base runs through along butt joint circuit board thickness direction and forms the holding tank, the terminal subassembly combines in the holding tank, terminal wiring portion is located the base and keeps away from a side surface of butt joint circuit board, terminal butt joint portion is located a side surface of base laminating butt joint circuit board.

Further, the inner wall position of at least the accommodation groove of base has the shielding function.

Further, the base is made by the metal material and has the shielding function, it is formed with the joint foot to extend on the tandem member, the joint foot corresponds and is connected with the base electricity.

Furthermore, a clamping groove is formed in the base corresponding to the clamping pin, and the clamping pin is correspondingly inserted into the clamping groove to realize fixation and electric connection with the base.

Further, still include the insulating block, the insulating block combines to cover at least in base and terminal subassembly and keeps away from a side surface of butt joint circuit board through injection moulding, the insulating block covers terminal wiring portion and the cable of being connected with terminal wiring portion electricity.

Furthermore, the terminal assemblies are provided with two side-by-side intervals, and a row of conductive terminals is combined in each terminal assembly.

Furthermore, the at least one row of conductive terminals comprises a plurality of pairs of signal terminals, the plurality of pairs of signal terminals comprise a plurality of pairs of high-speed signal terminals and a plurality of pairs of non-high-speed signal terminals, at least one grounding terminal is arranged on each of two sides of each pair of signal terminals, and the serial connection piece electrically connects at least two grounding terminals on two sides of each pair of high-speed signal terminals.

Further, at least two of the ground terminals on both sides of each pair of the high-speed signal terminals are electrically connected by the serial connection piece.

Further, the cable comprises a plurality of groups of high-speed signal cables and a plurality of groups of non-high-speed signal cables, at least one group of high-speed signal cables comprises a high-speed signal wire and a high-speed grounding wire, the high-speed signal wire is correspondingly and electrically connected with a terminal wiring portion of the high-speed signal terminal, the high-speed grounding wire is correspondingly and electrically connected with a terminal wiring portion of the grounding terminal, the base is made of metal materials and has a shielding function, at least one group of non-high-speed signal cables comprises a non-high-speed signal wire and a non-high-speed grounding wire, the non-high-speed signal wire is correspondingly and electrically connected with the terminal wiring portion of the non-.

Further, the insulating member is formed with a front end surface perpendicular to the mating circuit board and a rear end surface opposite to the front end surface, the front end surface is recessed inward to form an air groove, the terminal fixing portions of the at least one pair of signal terminals and the terminal fixing portions of the at least two ground terminals located on both sides of the at least one pair of signal terminals are exposed to the air groove, and the serial connection member is coupled in the air groove.

Further, the air groove of the insulating member extends from one of the ground terminals of the row of conductive terminals at one end to one of the ground terminals at the other end.

Furthermore, the rear end face of the insulating member is recessed inwards to form a containing groove, at least part of each conductive terminal is exposed out of the containing groove, the electric connector module further comprises an insulating filling piece, and the insulating filling piece is assembled, sealed and fixed in the containing groove.

Furthermore, the serial connection piece is formed by stamping and bending a metal sheet, the serial connection piece is provided with an n-shaped main body part, and two free legs of the main body part extend along the arrangement direction of the conductive terminals to form wing parts electrically connected with the corresponding grounding terminals.

Furthermore, the whole serial connection piece is inserted into the accommodating groove from bottom to top after being combined with the terminal component, and the serial connection piece is exposed from the surface of one side, attached to the butt joint circuit board, of the electric connection piece module.

The beneficial effect of this application is: the grounding device has better grounding effect and better high-speed signal transmission performance.

[ description of the drawings ]

FIG. 1 is a schematic view of an electrical connector module according to the present application;

FIG. 2 is a schematic view of the electrical connector module of the present application shown in FIG. 1 from another perspective;

FIG. 3 is an exploded view of the electrical connector module illustrating the insulating block, terminal assembly, and a cross-piece separated from the base;

FIG. 4 is an exploded, partial perspective view of the electrical connector module illustrating the dielectric block, terminal assembly, and one of the straps shown in isolation from the base, as opposed to FIG. 3, from an alternate perspective;

FIG. 5 is an exploded view of the electrical connector module illustrating the insulating block, terminal assembly, and a perspective view of one of the strings separated from the base;

FIG. 6 is an exploded view of the electrical connector module showing the insulation block and the terminal assembly separated from the base;

fig. 7 is a cross-sectional view of the electrical connector module of the present application taken along line a-a of fig. 1;

FIG. 8 is an enlarged view of a portion of the structure circled in FIG. 7;

fig. 9 is an enlarged view of a part of the structure circled in fig. 3.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that, in order to avoid obscuring the present application with unnecessary details, only the structures and/or processing steps closely related to some embodiments of the present application are shown in the drawings, and other details that are not relevant to some embodiments of the present application are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," "has," "having" or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 to 9, an electrical connector module for electrically connecting to a mating circuit board (not shown) is disclosed. The electrical connector module comprises a base 1, a terminal assembly 2 combined with the base 1 and a cable 3. The terminal assembly 2 includes an insulating member 21 and a plurality of conductive terminals 22 combined with the insulating member 21. In the present application, the insulating member 21 is provided in two and spaced side by side. Each of the insulating members 21 is combined with a row of conductive terminals 22 formed by a plurality of the conductive terminals 22.

Referring to fig. 5 and 6, each of the conductive terminals 22 includes a terminal fixing portion 221 fixed in the insulating member 21, a terminal connection portion 222 extending from one end of the terminal fixing portion 221 and exposing the insulating member 21 and the base 1, and a terminal abutting portion 223 extending from the other end of the terminal fixing portion 221 and exposing the insulating member 21 and the base 1, and the cable 3 is electrically connected to the terminal connection portion 222 of each of the conductive terminals 22.

In the present application, each of the terminal fixing portions 221 extends in a long strip shape along a thickness direction of the opposing circuit board. The terminal wiring portion 222 is formed by bending an end of the terminal fixing portion 221 away from the mating circuit board at ninety degrees. The terminal mating portion 223 is formed by extending one end of the terminal fixing portion 221 adjacent to a mating circuit board. The extending direction of the terminal butt joint part 223 and the thickness direction of the butt joint circuit board form a certain included angle, an obtuse angle is formed between the terminal butt joint part 223 and the terminal fixing part 221, and the terminal butt joint part 223 is of a cantilever-shaped structure and can elastically deform in the thickness direction of the butt joint circuit board. When the electrical connector module is assembled to the mating circuit board, the terminal mating portion 223 is elastically pressed against the surface of the mating circuit board to achieve electrical connection.

Referring to fig. 7 in combination with fig. 3, the conductive terminal 22 includes a plurality of pairs of signal terminals 201 and a plurality of ground terminals 202. At least one pair of the signal terminals 201 is provided with one ground terminal 202 on each of two sides. The electrical connector module further comprises a serial connection piece 4, wherein the serial connection piece 4 electrically connects two ground terminals 202 positioned on two sides of the pair of signal terminals 201.

Referring to fig. 3 to 7, a receiving groove 10 is formed through the base 1 along a thickness direction of the butt circuit board, and each terminal assembly 2 is correspondingly combined in the receiving groove 10. The insulating member 21 has a front end surface 211 perpendicular to the mating circuit board and a rear end surface 212 opposite to the front end surface 211, the front end surface 211 is recessed inward to form an air groove 20, the terminal fixing portions 221 of at least one pair of the signal terminals 201 and the terminal fixing portions 221 of at least two of the ground terminals 202 located on both sides of the at least one pair of the signal terminals 201 are exposed to the air groove 20, and the serial connector 4 is coupled to the air groove 20. Referring to fig. 4 in combination with fig. 7, the air groove 20 of the insulating member 21 extends from one of the ground terminals 202 at one end of the row of the conductive terminals 22 to one of the ground terminals 202 at the other end, so that the air groove 20 is designed to be used for material breaking (material breaking between adjacent conductive terminals 22) after the row of the conductive terminals 22 and the insulating member 21 are integrally formed, and the air groove 20 has an effect of adjusting impedance.

Referring to fig. 3 to 7, the rear end surface 212 of the insulating member 21 is recessed inward to form a receiving cavity 200, at least a portion of each of the conductive terminals 22 is exposed to the receiving cavity 200, the electrical connector module further includes an insulating filler 6, and the insulating filler 6 is assembled and sealed to be fixed in the receiving cavity 200. The receiving groove 200 is also used for breaking the row of conductive terminals 22 and the insulating member 21 after being integrally formed (between adjacent conductive terminals 22), and the insulating filling member 6 is used for adjusting impedance.

In the present application, the serial-connection piece 4 incorporated in the air groove 20 is formed by punching and bending a metal sheet. The serial connector 4 located in the air slot 20 is formed with an n-shaped main body 41, and two free legs of the main body 41 extend along the arrangement direction of the conductive terminals 21 to form wing portions 411 electrically connected to the corresponding ground terminals 202. The arrangement of the serial connection element 4 can enable the adjacent ground terminals 202 to form lap joints on the extending paths thereof, so as to achieve a better grounding effect, and simultaneously can ensure that the ground terminals 202 synchronously achieve zero potential. In this application, the extension length of the n-shaped main body 41 in the thickness direction of the butt-joint circuit board is not less than half of the extension length of the terminal fixing portion 221 in the thickness direction of the butt-joint circuit board, so that the adjacent ground terminals 202 are in surface contact and in dense contact as much as possible, and better grounding and synchronous zero potential effects are achieved. During assembly, the string member 4 is combined with the terminal assembly 2 and then inserted into the accommodating groove 10 from bottom to top (i.e. along the direction away from the circuit board), and the string member 4 is exposed from one side surface of the electric connector module abutting against the butt circuit board.

In this application, at least one row the conductive terminal 22 includes a plurality of pairs the signal terminal 201, a plurality of pairs the signal terminal 201 is by a plurality of pairs of high speed signal terminal 2011 and a plurality of pairs of non-high speed signal terminal 2012 are constituteed. One of the ground terminals 202 is disposed on each of both sides of each pair of the signal terminals 201, and the serial connection member 4 electrically connects the two ground terminals 202 located on both sides of the pair of the high-speed signal terminals 2011. In this application, it is preferable that the ground terminals 202 on both sides of at least each pair of the high-speed signal terminals 2011 are electrically connected by the serial connection 4. Furthermore, the serial connection member 4 is provided in plural, and in other embodiments, the partial positions of the serial connection members 4 on the same terminal assembly 2 may be integrally connected.

Further, base 1 is made by the metal material and has the shielding function, it is formed with joint pin 42 to extend on the connector 4, the card pin 42 is connected to realize the electricity in inserting the draw-in groove 100 that forms on base 1 correspondingly, has realized reciprocal anchorage simultaneously. Of course, in other embodiments, the card pin 42 may also be directly soldered to the base 1 for electrical connection, or elastically connected to the base for electrical connection.

Referring to fig. 3 to 6, the cable 3 includes a plurality of high-speed signal cables 31 and a plurality of non-high-speed signal cables 32. At least one set of the high-speed signal cables 31 includes a high-speed signal line 311 and a high-speed ground line 312, the high-speed signal line 311 is electrically connected to the terminal connection portion 222 of the high-speed signal terminal 2011, and the high-speed ground line 312 is electrically connected to the terminal connection portion 222 of the ground terminal 202. At least one set of the non-high speed signal cables 32 includes a non-high speed signal line 321 and a non-high speed ground line 322, the non-high speed signal line 321 is electrically connected to the terminal connection portion 222 of the non-high speed signal terminal 2012, and the non-high speed ground line 322 is electrically connected to the base 1 (see fig. 9 and fig. 3).

Of course, in other embodiments, the base 1 may also be formed by injection molding of an insulating material, in this embodiment, at least a partial position of the base 1 has a shielding function, such as an inner wall position of the receiving groove 10, a position where the base 1 contacts the non-high-speed ground wire 322, and a position where the card slot 100 of the base 1 contacts the card pin 42, but it is preferable that the regions having the shielding function on the base 1 are connected in series (electrically connected) and electrically connected to the docking circuit board.

The electric connector module of this application still includes insulating block 5, insulating block 5 combines to cover at least in base 1 and terminal subassembly 2 a side surface of keeping away from the butt joint circuit board through injection moulding, insulating block 5 covers terminal wiring portion 222 and the cable part of being connected with terminal wiring portion 222 electricity.

The electrical connector module of the present application is typically electrically connected to a mating circuit board by an electrical connector and is in communication with a mating receptacle electrical connector module via a cable, or may be in communication with two mating circuit boards via the electrical connector module of the present application. This application electric connector module can be easier accomplish the miniaturization, can have better high frequency characteristic simultaneously.

Although the present application has been described in detail with reference to preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present application.

Claims

1. The utility model provides an electric connector module for be connected with butt joint circuit board electricity, includes the base, terminal subassembly and cable that combine together with the base, the terminal subassembly includes insulating member and a plurality of conductive terminal that combines together with insulating member, a plurality of conductive terminal arranges into one row at least, each conductive terminal is including fixing the terminal fixed part in insulating member, extending and exposing insulating member and the outer terminal wiring portion of base by terminal fixed part one end and extending and exposing insulating member and the outer terminal butt joint portion of base by the terminal fixed part other end, the cable is connected with corresponding terminal wiring portion electricity, conductive terminal includes a plurality of pairs of signal terminal and a plurality of ground terminal, and at least a pair of the both sides of signal terminal respectively are equipped with at least one ground terminal, its characterized in that: the signal terminal further comprises a serial connection piece, and the serial connection piece is used for electrically connecting at least two grounding terminals positioned on two sides of the pair of signal terminals.

2. The electrical connector module of claim 1, wherein: the base runs through along butt joint circuit board thickness direction and forms the holding tank, the terminal subassembly combines in the holding tank, terminal wiring portion is located the base and keeps away from a side surface of butt joint circuit board, terminal butt joint portion is located a side surface of base laminating butt joint circuit board.

3. The electrical connector module of claim 2, wherein: the inner wall position of the at least accommodation groove of base has the shielding function.

4. The electrical connector module of claim 1, wherein: the base is made by the metal material and has the shielding function, it is formed with the joint foot to extend on the tandem member, the joint foot corresponds and is connected with the base electricity.

5. The electrical connector module of claim 4, wherein: the base is provided with a clamping groove corresponding to the clamping pin, and the clamping pin is correspondingly inserted into the clamping groove to realize the fixation and the electric connection with the base.

6. The electrical connector module of claim 1, wherein: still include the insulating block, the insulating block combines to cover at least in base and terminal subassembly and keeps away from a side surface of butt joint circuit board through injection moulding, the insulating block covers terminal wiring portion and the cable of being connected with terminal wiring portion electricity.

7. The electrical connector module of claim 1, wherein: the terminal assemblies are provided with two side-by-side intervals, and a row of conductive terminals are combined in each terminal assembly.

8. The electrical connector module of claim 1, wherein: the at least one row of conductive terminals comprises a plurality of pairs of signal terminals, the plurality of pairs of signal terminals comprise a plurality of pairs of high-speed signal terminals and a plurality of pairs of non-high-speed signal terminals, at least one grounding terminal is arranged on each of two sides of each pair of signal terminals, and the serial connection piece electrically connects at least two grounding terminals on two sides of each pair of high-speed signal terminals.

9. The electrical connector module of claim 8, wherein: at least two of the ground terminals on both sides of each pair of the high-speed signal terminals are electrically connected by the serial connection piece.

10. The electrical connector module of claim 8, wherein: the cable comprises a plurality of groups of high-speed signal cables and a plurality of groups of non-high-speed signal cables, at least one group of high-speed signal cables comprises a high-speed signal wire and a high-speed grounding wire, the high-speed signal wire is correspondingly and electrically connected with a terminal wiring part of a high-speed signal terminal, the high-speed grounding wire is correspondingly and electrically connected with a terminal wiring part of a grounding terminal, the base is made of metal materials and has a shielding function, at least one group of non-high-speed signal cables comprises a non-high-speed signal wire and a non-high-speed grounding wire, the non-high-speed signal wire is correspondingly and electrically connected with the terminal wiring part of the non.

11. The electrical connector module of any of claims 1 to 10, wherein: the insulating component is provided with a front end face perpendicular to the butt circuit board and a rear end face opposite to the front end face, the front end face is inwards sunken to form an air groove, the terminal fixing parts of the at least one pair of signal terminals and the terminal fixing parts of the at least two grounding terminals positioned on two sides of the at least one pair of signal terminals are exposed out of the air groove, and the serial connection piece is combined in the air groove.

12. The electrical connector module of claim 11, wherein: the air slot of the insulating member extends from one of the ground terminals at one end of the row of conductive terminals to one of the ground terminals at the other end.

13. The electrical connector module of claim 11, wherein: the rear end face of the insulating component is inwards sunken to form a containing groove, at least part of each conductive terminal is exposed to the containing groove, the electric connector module further comprises an insulating filling piece, and the insulating filling piece is assembled, sealed and fixed in the containing groove.

14. The electrical connector module of claim 10, wherein: the series connection piece is formed by stamping and bending a metal sheet, the series connection piece is provided with an n-shaped main body part, and two free legs of the main body part extend along the arrangement direction of the conductive terminals to form wing parts electrically connected with the corresponding grounding terminals.

15. The electrical connector module of any of claims 1 to 10, wherein: the string connecting piece is combined with the terminal component and then integrally inserted into the accommodating groove from bottom to top, and the string connecting piece is exposed from the surface of one side, attached to the butt joint circuit board, of the electric connecting piece module.