CN110890662A

CN110890662A - High-speed electric connector

Info

Publication number: CN110890662A
Application number: CN201911150817.6A
Authority: CN
Inventors: 田立春; 曾铁武; 斯国安; 赵蕾; 杨念
Original assignee: Wenzhou Yihua Connector Co Ltd
Current assignee: Wenzhou Yihua Connector Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-03-17

Abstract

A high-speed electric connector comprises a conductive shell provided with a main body part, a terminal assembly fixed with the main body part, wherein the terminal assembly comprises an insulating member and a plurality of signal terminals fixed in the insulating member, each signal terminal comprises a terminal wiring part exposed out of the insulating member and the conductive shell, the high-speed electric connector further comprises a plurality of groups of cables and a support member, each group of cables comprises a signal wire and a ground wire, the support member correspondingly separates the signal wire and the ground wire of each group of cables, and the signal wire is electrically connected with the terminal wiring part of the corresponding signal terminal. The signal wire and the grounding wire of the cable are shunted and limited by the support component, so that the risk of short circuit caused by deviation of the grounding wire and the signal wire in the production process is prevented.

Description

High-speed electric connector

[ technical field ] A method for producing a semiconductor device

The embodiment of the application relates to the field of communication transmission, in particular to a high-speed electric connector.

[ background of the invention ]

In the related art, please refer to the connector module disclosed in chinese utility model No. CN208820157U, which includes a connector module, including a conductive housing, a terminal assembly fixed to the conductive housing by assembling, a cable electrically connected to the terminal assembly, a solder joint protection module covering the connecting position of the terminal assembly and the cable, an external module covering the conductive housing, and a heat shrinkable sleeve covering the cable. The connecting piece module is used for realizing butt joint and fixation with a circuit board. The terminal assemblies are provided with a plurality of terminals, each terminal assembly comprises an insulating body and a pair of signal terminals, and the pair of signal terminals are correspondingly fixed to the insulating body in an injection molding mode. The cable is provided with a plurality of groups, and each group of cables comprises two signal wires and a grounding wire. During assembly, two signal wires of each group of cables are in contact with a corresponding pair of signal terminals, and the grounding wire of each cable is in contact with a grounding surface formed on the conductive shell correspondingly. The welding spot protection module and the outer module are formed by integral injection molding.

However, in the process of integrally injection-molding the solder joint protection module and the external module, the injection pressure and high temperature may cause the ground wire to be skewed and displaced and short-circuited with the signal wire, thereby causing problems of poor voltage resistance and current resistance.

Therefore, there is a need to provide a new high-speed electrical connector to solve the above-mentioned problems.

[ summary of the invention ]

The application aims to provide a novel high-speed electric connector which can prevent the problem of skew short circuit of a cable.

In order to achieve the above purpose, the present application is implemented by the following technical solutions:

a high-speed electric connector comprises a conductive shell with a main body part and a terminal component fixed with the main body part, the terminal assembly comprises an insulating component and a plurality of signal terminals fixed in the insulating component, each signal terminal comprises a terminal fixing part fixed in the insulating component, a terminal wiring part extending from the terminal fixing part and exposing the insulating component and the conductive shell, and a terminal butt-joint part extending from the terminal fixing part and exposing the insulating component and the conductive shell, the terminal butt joint part is correspondingly and electrically connected with the circuit board, the high-speed electric connector also comprises a plurality of groups of cables and bracket components, each group of cables comprises a signal wire and a grounding wire, the bracket members correspondingly space apart the signal wires and the ground wires of the respective sets of cables, the signal wires being electrically connected to the terminal wiring portions of the corresponding signal terminals.

Further, the terminal connection portion is exposed from above the insulating member to the outside of the insulating member and the metal case, the terminal abutting portion is exposed from below the insulating member to the outside of the insulating member and the metal case, and the holder member is provided at a position above the terminal connection portion on the insulating member.

Further, the grounding wire of the cable is electrically connected with the conductive shell.

Further, the signal line is located below the bracket member, and the ground line is located above the bracket member.

Further, the external module is fixed on the conductive shell and at least covers the part of the signal wire electrically connected with the terminal wiring part and the part of the grounding terminal contacted with the conductive shell.

Further, a terminal module accommodating cavity is formed in the main body portion of the conductive shell in a penetrating mode in the vertical direction, and the terminal assembly is assembled into the terminal module accommodating cavity in the vertical direction.

Further, the terminal module is accommodated the chamber and is including a plurality of, a plurality of the chamber is accommodated to the terminal module and sets up in a row along left right direction, each the terminal module is accommodated the chamber and is formed the shielding by the conductive housing all around, insulating member includes a plurality of insulator, a plurality of insulator sets up in a row along left right direction, and each insulator corresponds the equipment and holds and accept the intracavity in the terminal module, and each insulator internal fixation has two signal terminal.

Further, the sunken intercommunication groove that is formed with of lower surface of electrically conductive casing, the intercommunication groove will become a plurality of terminal module of one row setting and accept the local intercommunication in chamber, insulating member is including the connecting body with a plurality of insulator body coupling that sets up in a row, insulating member from the bottom up assembles fixedly to electrically conductive casing in, connecting body corresponds and holds in the intercommunication inslot.

Further, the support component is provided with a through hole corresponding to the through hole in a penetrating mode in the position above the terminal wiring portion, the signal wire and the terminal wiring portion are leaked to the through hole, a plurality of grounding wire positioning grooves are formed in the upper surface of the support component in a concave mode, a plurality of signal wire positioning grooves are formed in the lower surface of the support component in a concave mode, grounding wires of cables are correspondingly limited in the grounding wire positioning grooves, and the signal wires of the cables are correspondingly limited in the signal wire positioning grooves.

Furthermore, the conductive shell is provided with a limiting wall protruding upwards in front of the support member, the limiting wall is recessed to form a plurality of limiting grooves arranged along the left-right direction, the grounding wire is correspondingly limited in the limiting grooves and is electrically connected with the conductive shell, the conductive shell protrudes upwards in the rear of the support member to form a plurality of cable segmentation parts arranged along the left-right direction, and each group of cables are respectively limited between two adjacent cable segmentation parts correspondingly.

Compared with the prior art, the method has the following beneficial effects: the signal wire and the grounding wire of the cable are shunted and limited by the support component, so that the risk of short circuit caused by deviation of the grounding wire and the signal wire in the production process is prevented.

[ description of the drawings ]

FIG. 1 is a perspective view of a high speed electrical connector of the present application;

fig. 2 is an exploded, partial perspective view of the high speed electrical connector of the present application, showing the exterior mold piece separated from the conductive housing;

fig. 3 is an exploded, partial perspective view of the high speed electrical connector of the present application, showing the exterior mold piece, the upper row of cables, and the upper frame member in perspective view after they have been separated from the conductive housing;

fig. 4 is an exploded, partial perspective view of the high speed electrical connector of the present application, showing the exterior mold, upper row of cables, upper support member, lower row of cables, and lower support member in perspective view after they have been separated from the conductive housing;

fig. 5 is an exploded perspective view of the high speed electrical connector of the present application;

FIG. 6 is a perspective view of the high speed electrical connector of the present application shown in FIG. 5 from another angle;

fig. 7 is a partial exploded perspective view of the high speed electrical connector of the present application, showing the outer mold member and ground member in perspective view after they have been separated from the conductive housing;

FIG. 8 is a perspective view of the high speed electrical connector of the present application shown in FIG. 1 from another angle;

FIG. 9 is a partial isometric view of the high speed electrical connector of the present application showing the isometric view of the high speed electrical connector with the outer mold piece removed;

fig. 10 is a cross-sectional view taken along line a-a of fig. 9.

[ detailed description ] embodiments

It should be noted that the embodiments and features of the embodiments in the application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Throughout the description of the application, it is to be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the application can be understood in a specific context by those of ordinary skill in the art.

In the description of the application, it is to be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In addition, for the sake of accuracy of the description of the present application, the application refers to the direction uniformly with reference to fig. 1, wherein the X-axis extending direction is the left-right direction (wherein the X-axis positive direction is the right direction), the Y-axis extending direction is the front-back direction (wherein the Y-axis positive direction is the back), and the Z-axis extending direction is the up-down direction (wherein the Z-axis positive direction is the up direction).

Referring to fig. 1 to 10, the high-speed electrical connector of the present application includes a conductive housing 1, a terminal assembly 2 fixed to the conductive housing 1 by assembling, a cable 3 electrically connected to the terminal assembly 2, a bracket member 4 supporting the cable 3, a grounding member 5 fixed to a lower surface of the conductive housing 1, and an outer mold member 6 covering the conductive housing 1. The high-speed electrical connector is used for realizing butt joint and fixation with a circuit board 200.

Referring to fig. 2 to 7, the conductive housing 1 is substantially plate-shaped, and includes a plate-shaped main body 11 and ear portions 12 respectively extending along left and right sides of the main body 11. The main body 11 has a front bearing surface 111 and a rear bearing surface 112 having a step with the front bearing surface 111 formed on an upper surface in a vertical direction. The rear bearing surface 112 is located behind the front bearing surface 111, and along the vertical direction, the front bearing surface 111 is higher than the rear bearing surface 112. The front carrying surface 111 is formed with a row of several front terminal module accommodating cavities 110 arranged in the left-right direction by respectively penetrating the main body 11 in the up-down direction, and the rear carrying surface 112 is formed with a row of several rear terminal module accommodating cavities 110 arranged in the left-right direction by respectively penetrating the main body 11 in the up-down direction. The periphery of each terminal module accommodating cavity 110 is shielded by the conductive housing 1.

The conductive housing 1 is formed with a front limiting wall 13 extending in the left-right direction at a front position of the row of front terminal module accommodating cavities 110. The front limiting wall 13 is recessed downward on the upper surface of each front terminal module accommodating cavity 110 in front of the middle thereof to form a front limiting groove 131.

The conductive housing 1 is formed with a rear limiting wall 14 extending in the left-right direction at a position protruding upwards in front of the row of rear terminal module accommodating cavities 110. The rear limiting wall 14 is recessed downward on the upper surface of each rear terminal module accommodating cavity 110 right in front of the middle portion thereof to form a rear limiting groove 141. A front-row cable dividing part 142 is formed between two adjacent rear limiting grooves 141 in an upward protruding manner.

The conductive housing 1 is formed with a plurality of rear flat cable dividing portions 143 protruding upward at positions behind the row of rear terminal module accommodating cavities 110 at intervals in the left-right direction. In the front-rear direction, each of the rear cable dividing portions 143 is elongated and corresponds to the rear of each of the front cable dividing portions 142 one by one.

Referring to fig. 2 to 4, in the present application, a certain distance is spaced between the front terminal module receiving cavities 110 and the rear limiting wall 14 along the front-rear direction, and the conductive housing 1 protrudes upwards to form a plurality of limiting protrusions 144 at positions between the front terminal module receiving cavities 110 and the rear limiting wall 14. In the front-rear direction, the limiting protrusions 144 correspond to the front of the front cable dividing portions 142 one by one.

Referring to fig. 6 and fig. 5, in the present application, a front communication groove 1101 and a rear communication groove 1102 are formed in the lower surface of the conductive housing 1 in a recessed manner, the front communication groove 1101 communicates with the row of front terminal module receiving cavities 110 in the left-right direction, and the rear communication groove 1102 communicates with the row of rear terminal module receiving cavities 110 in the left-right direction. The front communication groove 1101 is located forward of the rear communication groove 1102. The front communication groove 1101 and the rear communication groove 1102 are partitioned and shielded by the conductive housing 1.

In the present application, the conductive housing 1 is made of a metal material having conductive properties. In other embodiments, the conductive housing 1 is made of an insulating material by injection molding, and in this case, at least a partial portion of the conductive housing 1 made of the insulating material is plated to form a conductive layer to perform a function.

Referring to fig. 4 to 6, the terminal assemblies 2 are two, and each terminal assembly 2 includes an insulating member 21 and a plurality of pairs of signal terminals 22. Each of the insulating members 21 includes a plurality of insulating bodies 211 and a connecting body 212 integrally connecting the plurality of insulating bodies 211. Specifically, the connecting bodies 212 are integrally connected to the corresponding insulating bodies 211 at the front end of each insulating body 211. Each of the insulating bodies 211 has a substantially rectangular parallelepiped columnar shape, and a pair of signal terminals 22 are fixed (fixed by injection molding) in each of the insulating bodies 211.

Each signal terminal 22 includes a terminal fixing portion 221 fixed in the corresponding insulating body 211, a terminal connecting portion 222 extending from one end (upper end) of the terminal fixing portion 221 and exposed outside the insulating body 211 and the conductive housing 1, and a terminal mating portion 223 extending from the other end (lower end) of the terminal fixing portion 221 and exposed outside the insulating body 21 and the conductive housing 1. The terminal fixing portion 221 is linear and extends in the vertical direction. The terminal connection portion 222 extends in the front-rear direction and forms a planar contact surface 2221 above, the contact surface 2221 is not lower than the upper surface of the insulating body 211, and the contact surface 2221 is electrically connected to the cable 3. The terminal connection portion 222 is formed by vertically extending rearward from the upper end of the terminal fixing portion 221, the terminal abutting portion 223 is formed by extending rearward and downward from the lower end of the terminal fixing portion 221, the terminal abutting portion 223 is formed in a cantilever shape and is elastically deformable in the up-down direction, and each of the terminal abutting portions 223 is formed with a contact portion 2231 to be press-contacted with the circuit board.

In the present application, the terminal wiring portions 222 (contact surfaces 2221) of the pairs of signal terminals 22 of the same terminal assembly 2 are arranged in a row in the left-right direction; the contact portions 2231 of the pairs of signal terminals 22 of the same terminal assembly 2 are arranged in a row in the left-right direction. The signal terminals 22 in the two terminal assemblies 2 are arranged in two rows in the front-rear direction.

Referring to fig. 5 and 6, in the present application, the thickness of the insulating body 211 is greater than that of the connecting body 212 along the vertical direction, and the connecting body 212 is located above the free end of the terminal mating portion 223 corresponding to the signal terminal 22.

Referring to fig. 2 to 6, fig. 9 and fig. 10, in the present application, the cables 3 are provided with a plurality of groups, and the plurality of groups of cables 3 are arranged in two rows and correspond to the two terminal assemblies 2 fixed in the conductive housing 1. Each group of the cables 3 includes two signal lines 301 and one ground line 302. During assembly, the two signal wires 301 of each cable set 3 are electrically connected to the contact surfaces 2221 of the corresponding pair of signal terminals 22, respectively, and one ground wire 302 is used to electrically connect to the conductive housing 1.

The holder member 4 is made of an insulating material and has a substantially long shape in the left-right direction. In the present application, the two bracket members 4 are provided, and are respectively correspondingly assembled above the two terminal assemblies 2. A through hole 41 is formed through each of the holder members 4 at a position above each of the insulating bodies 211, and the width of the through hole 41 in the left-right direction is larger than the width between the two terminal connection portions 222 corresponding to the pair of signal terminals 22 (as shown in fig. 3, 4, 5, and 9, the span of the two terminal connection portions 222 in the left-right direction includes the distance between the two terminal connection portions 222 and the width of the two connection portions 222 themselves).

The upper surface of the bracket member 4 is formed with one ground wire positioning groove 42 extending in the front-rear direction at the front end and the rear end of each through hole 41 in a recessed manner, and the one ground wire positioning groove 42 is cut into front and rear sections by the through holes 41. Two signal line positioning grooves 43 extending in the front-rear direction are formed in the lower surface of the support member 4 at the front end and the rear end of each through hole 41 in a recessed manner, and a rib-shaped signal line partition wall 431 extending in the front-rear direction is formed between the two signal line positioning grooves 43. Each of the signal line positioning grooves 43 and the signal line partition walls 431 is divided into two front and rear sections by the through hole 41. The signal line positioning grooves 43 are provided in one-to-one correspondence with the terminal wiring portions 222 of the corresponding signal terminals 22 in the front-rear direction.

The two bracket members 4 are respectively installed above the front bearing surface 111 and the rear bearing surface 112 of the conductive housing 1, and are correspondingly located above the two terminal assemblies 2, and the bracket member 4 located at the front end is limited by the front limiting wall 13 and the limiting bump 144 in the front-rear direction. The bracket member 4 at the rear end is restrained by the rear restraining wall 14 and the rear flat cable dividing portion 143 in the front-rear direction.

In this application, a plurality of insulator 211 of the same terminal assembly 2 upwardly protrudes to the top of the corresponding bearing surface (front bearing surface 111, rear bearing surface 112), the lower surface of the bracket member 4 is formed with a protruding positioning column 44 protruding to the gap formed between the two corresponding insulators 211, so as to realize the limit of the left and right directions of the bracket member 4. In other embodiments, the limitation of the bracket member 4 in the left-right direction can also be directly implemented by the conductive housing 1, for example, a limiting structure (not shown, a protrusion-groove matching manner or other manners) is formed on the surface of the bracket member 4 abutting against the conductive housing 1, and the upper surface of the insulating body 211 is designed to be flush with the corresponding bearing surfaces (the front bearing surface 111 and the rear bearing surface 112).

The two signal wires 301 of each cable set 3 are retained in the two signal wire positioning grooves 43 of the corresponding holder member 4, and are spaced apart from each other in the left-right direction by the signal wire partition wall 431, and the signal wires 301 are welded and fixed to the terminal connecting portions 222 of the signal terminals 22. The ground wires 302 of each cable set 3 are correspondingly limited in the ground wire positioning groove 42, and the free ends of the ground wires 302 protrude into the front limiting groove 131 of the conductive shell 1 and are electrically connected with the conductive shell 1 through welding fixation.

Referring to fig. 1 to 8, the grounding member 5 is formed by bending a metal plate by pressing, and includes a main body plate 51 and a limiting plate 52 formed by bending and extending upward from front and rear end edges of the main body plate 51. The ground member 5 is fixed to the lower surface of the conductive housing 1 by assembly. The main body 51 has a beam portion 511 located between two rows of the terminal abutting portions 223 and an elastic portion 512 located between the terminal abutting portions 223 of two pairs of signal terminals 22 adjacent to each other in the left-right direction, and the elastic portion 712 extends in the same direction as the terminal abutting portions 223 and is also in a cantilever structure. The grounding member 5 is used to achieve better grounding and achieve a shielding effect between the signal terminal pairs.

Referring to fig. 1 to 8, the outer mold 6 is formed by injection molding of an insulating material, and the outer mold 6 covers the upper surface, the front surface and the rear surface of the main body 11 of the conductive housing 1 to achieve an insulating protection effect.

In the application, the support member 4 is arranged to limit the signal wire 301 and the grounding wire 302 of the cable 3 in a shunting manner, so that the risk of short circuit caused by deviation between the grounding wire 302 and the signal wire 301 in the production process is prevented.

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.

The above description is only a part of the embodiments of the present application, and not all embodiments, and any equivalent changes to the technical solutions of the present application, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present application.

Claims

1. A high-speed electric connector comprises a conductive shell provided with a main body part and a terminal assembly fixed with the main body part, wherein the terminal assembly comprises an insulating component and a plurality of signal terminals fixed in the insulating component, each signal terminal comprises a terminal fixing part fixed in the insulating component, a terminal wiring part extending from the terminal fixing part and exposing the insulating component and the conductive shell, and a terminal butt joint part extending from the terminal fixing part and exposing the insulating component and the conductive shell, and the terminal butt joint part is correspondingly electrically connected with a circuit board, and the high-speed electric connector is characterized in that: the high-speed electric connector also comprises a plurality of groups of cables and support members, each group of cables comprises a signal wire and a grounding wire, the support members correspondingly space the signal wires and the grounding wires of each group of cables, and the signal wires are electrically connected with the terminal wiring parts of the corresponding signal terminals.

2. A high speed electrical connector as in claim 1 wherein: the terminal connection portion is formed by allowing the insulating member and the metal case to leak from above the insulating member, the terminal mating portion is formed by allowing the insulating member and the metal case to leak from below the insulating member, and the holder member is provided at a position above the terminal connection portion on the insulating member.

3. A high speed electrical connector as in claim 1 wherein: the grounding wire of the cable is electrically connected with the conductive shell.

4. A high speed electrical connector as in claim 1 wherein: the signal wire is located below the bracket member, and the ground wire is located above the bracket member.

5. A high speed electrical connector as in claim 1 wherein: the external module is fixed on the conductive shell and at least covers the part of the signal wire electrically connected with the terminal wiring part and the part of the grounding terminal contacted with the conductive shell.

6. A high speed electrical connector as in claim 1 wherein: the main body part of the conductive shell penetrates through the terminal module accommodating cavity along the vertical direction, and the terminal assembly is assembled in the terminal module accommodating cavity along the vertical direction.

7. A high speed electrical connector as in claim 6 wherein: the terminal module is accommodated the chamber and is including a plurality of, a plurality of the chamber is accommodated to the terminal module and sets up in a row along left right direction, each the terminal module is accommodated the chamber and is formed the shielding by conductive housing all around, insulating member includes a plurality of insulator, a plurality of insulator sets up in a row along left right direction, and each insulator corresponds the equipment and holds and accept in the terminal module accommodates the intracavity, and each insulator internal fixation has two signal terminal.

8. A high speed electrical connector as in claim 7 wherein: the lower surface of the conductive shell is sunken to form a communication groove, the communication groove is used for locally communicating a plurality of terminal modules arranged in a row, the insulating member comprises a connecting body integrally connecting a plurality of insulating bodies arranged in a row, the insulating member is assembled and fixed into the conductive shell from bottom to top, and the connecting body is correspondingly accommodated in the communication groove.

9. A high speed electrical connector as in claim 4 wherein: the support component runs through to be formed with the through-hole corresponding to the top position of terminal wiring portion, signal line and terminal wiring portion spill to the through-hole, the upper surface of support component is sunken to be formed with a plurality of earth connection constant head tank, the lower surface of support component is sunken to be formed with a plurality of signal line constant head tank, the earth connection of cable is corresponding spacing in the earth connection constant head tank, the signal line of cable is corresponding spacing in the signal line constant head tank.

10. A high speed electrical connector as in claim 4 wherein: the conductive shell is provided with a limiting wall which protrudes upwards in front of the support component, the limiting wall is concavely provided with a plurality of limiting grooves which are arranged along the left-right direction, the grounding wire is correspondingly limited in the limiting grooves and is electrically connected with the conductive shell, the conductive shell protrudes upwards in the rear of the support component to form a plurality of cable cutting parts which are arranged along the left-right direction, and each group of cables are respectively correspondingly limited between two adjacent cable cutting parts.