CN211700677U

CN211700677U - Cable connector

Info

Publication number: CN211700677U
Application number: CN202020610427.4U
Authority: CN
Inventors: 黄斌; 郭荣哲; 陈宏基; 申欢欢; 王开德
Original assignee: Dongguan Luxshare Technology Co Ltd
Current assignee: Dongguan Luxshare Technology Co Ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-10-16
Anticipated expiration: 2030-04-21

Abstract

A cable connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body, a grounding sheet connected with part of the conductive terminals and a plurality of cables; wherein: the conductive terminals comprise a plurality of grounding terminals and a plurality of signal terminals positioned between two adjacent grounding terminals; at least one of the cables includes a conductive wire connected to the corresponding signal terminal and a shield wire connected to the ground strip; the grounding piece comprises a fixing part fixed on the insulating body and a grounding part connected with the grounding terminal. The utility model discloses a set up the grounding lug to fuse grounding lug, shielded wire and ground terminal, increased area of earthing, improved cable connector's interference killing feature.

Description

Cable connector

Technical Field

The utility model relates to a cable connector belongs to connector technical field.

Background

A cable connector in the related art generally includes an insulative body, signal terminals, ground terminals, and a cable. The cable typically includes wires connected to the signal terminals. However, as the requirement of the electronic device for data transmission is continuously increased, how to improve the anti-interference performance in the data transmission process is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a better cable connector of interference immunity ability.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a cable connector comprises an insulating body, a plurality of conductive terminals fixed on the insulating body, a grounding sheet connected with part of the conductive terminals and a plurality of cables; wherein: the conductive terminals comprise a plurality of grounding terminals and a plurality of signal terminals positioned between two adjacent grounding terminals; at least one of the cables includes a conductive wire connected to the corresponding signal terminal and a shield wire connected to the ground strip; the grounding piece comprises a fixing part fixed on the insulating body and a grounding part connected with the grounding terminal.

As the utility model discloses further modified technical scheme, insulator be equipped with the butt joint face and with the installation face that the butt joint face is relative, signal terminal is including the protrusion the first elastic contact portion of butt joint face and expose first installation department on the installation face, ground terminal is including the protrusion the second elastic contact portion of butt joint face and expose second installation department on the installation face, wire fixed connection is in on the first installation department, ground connection portion with the second installation department links to each other.

As a further improved technical scheme of the utility model, the insulation body is provided with an elevated part protruding out of the installation surface, and the fixed part is fixed on the elevated part; the grounding part is lower than the fixing part, and the fixing part and the side surface of the grounding part are L-shaped integrally.

As a further improved technical solution of the present invention, the grounding plate includes a connecting portion opposite to the fixing portion, the grounding portion is lower than the fixing portion and the connecting portion, two ends of the grounding portion are respectively connected to the connecting portion and the fixing portion, the grounding portion and the side of the connecting portion are U-shaped as a whole; the shielding wire is turned over from the bottom of the connecting part to the end far away from the fixing part, and the shielding wire is fixed on the top surface of the connecting part.

As a further improved technical solution of the present invention, the grounding plate includes a first grounding plate and a second grounding plate contacting with the first grounding plate; the cable connector comprises an insulating block which is fixed with the first grounding sheet and is positioned below the first grounding sheet, wherein first accommodating spaces which are in one-to-one correspondence with the leads and supporting protrusions positioned on two sides of each first accommodating space are arranged on the bottom wall of the insulating block, and the adjacent leads are separated by the supporting protrusions positioned between the two leads.

As a further improved technical solution of the present invention, the fixing portion and the grounding portion are both located on the second grounding piece; the wire with the shielded wire is located respectively the upper and lower both sides of first ground lug, the wire with the extending direction of shielded wire is the same, first ground lug is equipped with first top surface, the shielded wire is fixed first top surface.

As the utility model discloses further modified technical scheme, the grounding lug include with a plurality of uplift portions that grounding portion links to each other, each the uplift portion is equipped with and is located two that link to each other with it second accommodation space between the grounding portion, corresponding cable is acceptd in second accommodation space the wire.

As a further improved technical scheme of the utility model, the wire with the shielded wire is located respectively the upper and lower both sides of uplift, the wire with the extending direction of shielded wire is the same, the uplift is equipped with the second top surface, the shielded wire is fixed the second top surface.

As a further improved technical scheme of the utility model, the second top surface is equipped with the location the recess of shielded wire.

As a further improved technical solution of the present invention, there are two wires of each cable, and only one shielding wire of each cable; and two signal terminals are arranged between two adjacent ground terminals.

As a further improved technical solution of the present invention, the conductive terminal is embedded into the insulating body, and the conductive terminal is provided with a connecting piece connecting all the grounding terminals into a whole.

Compared with the prior art, the utility model discloses a set up the grounding lug, link to each other the shielding wire of grounding lug and cable to link to each other the grounding lug with ground terminal, make grounding lug, shielding wire and ground terminal even an organic whole, increased area of earthing, improved cable connector's interference killing feature.

Drawings

Fig. 1 is a perspective view of one embodiment of a cable connector according to the present invention.

Fig. 2 is a perspective view of fig. 1 from another angle.

Fig. 3 is a partially exploded perspective view of fig. 1.

Fig. 4 is a partially exploded perspective view of the cable connector module of fig. 3.

Fig. 5 is a right side view of the two cable modules of fig. 4 assembled together.

Fig. 6 is a partially exploded perspective view of two cable modules of fig. 4.

Fig. 7 is an exploded perspective view of the first cable module of fig. 5.

Fig. 8 is an exploded perspective view of the second cable module of fig. 5.

Fig. 9 is a front view of fig. 7.

Fig. 10 is a front view of fig. 8.

Fig. 11 is a perspective view of the cable connector module in fig. 4 according to a second embodiment.

Fig. 12 is a right side view of fig. 11.

Fig. 13 is a partially exploded perspective view of fig. 11.

Fig. 14 is a further exploded perspective view of fig. 13.

Fig. 15 is a left side view of the cover assembly of fig. 14.

Fig. 16 is an exploded perspective view of one of the cable modules.

Fig. 17 is a perspective view of the cable connector module in fig. 4 in a third embodiment.

Fig. 18 is a right side view of fig. 17.

Fig. 19 is a partially exploded perspective view of fig. 18.

Fig. 20 is a further exploded perspective view of fig. 19.

Fig. 21 is a left side view of the first ground plate of fig. 20.

Detailed Description

Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. If several embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The description set forth below in the exemplary detailed description does not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatus, products, and/or methods consistent with certain aspects of the invention, as recited in the claims of the invention.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in the specification and claims of this application, the singular form of "a", "an", or "the" is intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims of the present invention do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the terms "front," "back," "up," "down," and the like in the description of the invention are used for convenience of description and are not limited to a particular position or spatial orientation. The word "comprise" or "comprises", and the like, is an open-ended expression meaning that an element that precedes "includes" or "comprising" includes "that the element that follows" includes "or" comprises "and its equivalents, that do not preclude the element that precedes" includes "or" comprising "from also including other elements. If the utility model discloses in appear "a plurality of", its meaning indicates two and more than two.

Referring to fig. 1 to 4, the present invention discloses a cable connector 100. Referring to fig. 3, the cable connector 100 includes a cable connector module 10, a top cover 20 disposed on the top of the cable connector module 10, a bottom cover 30 disposed on the bottom of the cable connector module 10, and a rear cover 40 disposed between the top cover 20 and the bottom cover 30.

Referring to fig. 1 to 3, in an embodiment of the present invention, the top cover 20 and the bottom cover 30 may be overmolded on the cable connector module 10. Of course, in another embodiment of the present invention, the top cover 20 and the bottom cover 30 may also be covered on the cable connector module 10 by assembling. When the top cover 20 and the bottom cover 30 are assembled, the top cover 20 and the bottom cover 30 may be provided with a positioning boss 301 and a positioning hole 201 which are matched with each other. In the illustrated embodiment of the present invention, the positioning protrusion 301 is located on the bottom cover 30, and the positioning hole 201 is located on the top cover 20. Of course, in other embodiments, the positions of the positioning boss 301 and the positioning hole 201 may be interchanged. The bottom cover 30 has parallel hollow portions 302 to expose the cable connector module 10 partially for connecting with the docking assembly.

Referring to fig. 4, the cable connector module 10 includes a first cable module 101, a second cable module 102, and an insulating cover plate 103 fixed on the first cable module 101 and the second cable module 102. Referring to fig. 5 and 6, in a first embodiment of the present invention, the first cable module 101 and the second cable module 102 have similar structures, and only the first cable module 101 is taken as an example for detailed description.

Referring to fig. 7, the first cable module 101 includes an insulating body 1, a plurality of conductive terminals 2 fixed on the insulating body 1, a ground strip 3 connected to a portion of the conductive terminals 2, and a plurality of cables 4.

The insulation body 1 is provided with a butting surface 11, a mounting surface 12 opposite to the butting surface 11 and a raised part 13 protruding out of the mounting surface 12. The raised portion 13 and the mounting surface 12 are located on the same side (upper side in fig. 7) of the insulating body 1, and the raised portion 13 and the mounting surface 12 form a step.

The conductive terminals 2 include ground terminals G and signal terminals S located between two adjacent ground terminals G. The utility model discloses an in the embodiment, adjacent two a plurality of signal terminal S between the ground terminal G are two to form the terminal mode of arranging of GSSG form, improve the interference killing feature of signal terminal S when data transmission. In order to increase the grounding area of the grounding terminal G, in the illustrated embodiment of the present invention, the conductive terminals 2 are provided with connecting pieces 20 that integrally connect all of the grounding terminals G.

The signal terminal S includes a first elastic contact portion 211 protruding from the mating face 11 and a first mounting portion 212 exposed on the mounting face 12. Similarly, the ground terminal G includes a second elastic contact portion 221 protruding from the mating face 11 and a second mounting portion 222 exposed on the mounting face 12. The first elastic contact portion 211 and the second elastic contact portion 221 penetrate through the hollow portion 302 of the bottom cover 30 to connect with the docking assembly. In an embodiment of the present invention, the conductive terminals 2 are embedded in the insulating body 1 to ensure that the positional relationship between the conductive terminals 2 is stable. Of course, in other embodiments of the present invention, the conductive terminal 2 may be fixed to the insulating body 1 by assembling.

Each cable 4 comprises a conductor 41 connected to the corresponding signal terminal S and a shield wire 42 connected to the grounding plate 3. In the illustrated embodiment of the present invention, the cables 4 are bare wires, and the cables 4 are arranged in parallel with each other; the number of the conducting wires 41 of each cable 4 is two, the number of the shielding wires 42 of each cable 4 is only one, and the shielding wires 42 are not electrically connected with the conducting wires 41.

Referring to fig. 7 and 9, the grounding plate 3 includes a fixing portion 31 fixed on the insulating body 1, a connecting portion 32 opposite to the fixing portion 31, and a grounding portion 33 located between the fixing portion 31 and the connecting portion 32. The fixing portion 31 is provided with a mounting hole 311, and the raised portion 13 is provided with a fixing post 131 fixed in the mounting hole 311. The grounding portion 33 is used to connect (e.g., weld) with the grounding terminal G. The grounding portion 33 is provided such that both ends thereof are connected to the connecting portion 32 and the fixing portion 31, respectively, and the grounding piece 3 is substantially frame-shaped, thereby improving structural strength; on the other hand, the deformation of the ground portion 33 can be controlled more effectively, and the contact reliability with the second mounting portion 222 of the ground terminal G can be improved. The grounding portion 33 is lower than the fixing portion 31 and the connecting portion 32, so that the side surfaces of the fixing portion 31, the grounding portion 33, and the connecting portion 32 are U-shaped as a whole.

When the cable 4 is assembled, the conductive wires 41 of the cable 4 are connected (e.g., soldered) to the first mounting portions 212 of the corresponding signal terminals S, and the shielding wire 42 is turned over from the bottom of the connecting portion 32 toward the end away from the fixing portion 31, so that the shielding wire 42 is fixed to the top surface of the connecting portion 32 (e.g., fixed by soldering). With such an arrangement, the grounding plate 3, the shielding wire 42 and the grounding terminal G are connected into a whole, so that the grounding area is increased, and the anti-interference performance of the cable connector 100 is improved.

Referring to fig. 11 to 16, the present invention further discloses a second embodiment of the cable module. In this embodiment, the cable module still includes the first cable module 101 and the second cable module 102, and the first cable module 101 and the second cable module 102 have similar structures, and the following description will be given by taking only the first cable module 101 as an example. It should be noted that, for the same parts in the second embodiment as in the first embodiment, please refer to the first embodiment, and the description thereof is omitted. The extending direction of the ground plate 3 and the shield wire 42 in the second embodiment are different from those in the first embodiment, and the detailed description thereof will be made below.

The grounding plate 3 in the second embodiment includes a first grounding plate 34 and a second grounding plate 35 in contact with the first grounding plate 34. The second grounding plate 35 is similar in structure to the grounding plate 3 of the first embodiment, and is mainly different in that the connecting portion 32 is not provided. Therefore, referring to fig. 14, in the second embodiment, the fixing portion 31 and the grounding portion 33 are L-shaped as a whole.

In addition, referring to fig. 13 to 15, in a second embodiment of the present invention, the cable connector 100 includes an insulating block 36 fixed to the first grounding plate 34 and located below the first grounding plate 34. The bottom wall of the insulating block 36 is provided with first accommodating spaces 361 corresponding to the conductive wires 41 one to one and supporting protrusions 362 located at two sides of each first accommodating space 361, wherein the adjacent conductive wires 41 are separated by the supporting protrusions 362 located between the two conductive wires 41, so as to prevent the adjacent conductive wires 41 from being electrically connected incorrectly due to contact.

The conducting wire 41 and the shielding wire 42 are respectively located at the upper and lower sides of the first grounding plate 34, and the extending directions of the conducting wire 41 and the shielding wire 42 are the same, so that the cable 4 is assembled. The first grounding plate 34 has a first top surface 341, and the shielding wire 42 is fixed to the first top surface 341.

Referring to fig. 17 to 21, the present invention further discloses a third embodiment of the cable module. In this embodiment, the cable module still includes the first cable module 101 and the second cable module 102, and the first cable module 101 and the second cable module 102 have similar structures, and the following description will be given by taking only the first cable module 101 as an example. It should be noted that, for the parts of the third embodiment that are the same as those of the first and second embodiments, please refer to the first and second embodiments, and detailed description thereof is omitted here. The grounding plate 3 in the third embodiment is described in detail below.

The grounding plate 3 of the third embodiment includes a plurality of grounding portions 33 connected (e.g., soldered) to the grounding terminals G and a plurality of protruding portions 37 connected to the grounding portions 33, each of the protruding portions 37 is provided with a second receiving space 370 between two of the grounding portions 33 connected thereto, and the second receiving space 371 receives the wires 41 of the corresponding cable 4. The conductive wires 41 and the shielding wires 42 are respectively located at the upper and lower sides of the raised portion 37, and the extending directions of the conductive wires 41 and the shielding wires 42 are the same. The raised portion 37 is provided with a second top surface 371, and the shield wire 42 is fixed to the second top surface 371 (for example, by welding). Preferably, the second top surface 371 is provided with a groove 372 for positioning the shield wire 42.

Compared with the prior art, the utility model discloses a shielded wire 42 of each cable 4 only has one, can make cable 4 relatively thinner, is favorable to saving space. In addition, this form of cable 4 is relatively flexible, thereby facilitating adjustment of the installation angle of the cable 4 during assembly. One application of the cable connector 100 of the present invention is as a high-speed cable connector, at this time, two adjacent signal terminals S can be high-speed signal terminals, two grounding terminals G are located on two sides of each group of high-speed signal terminals, and the cable 4 having only one shielding wire 42 is matched to easily cause the unbalanced phenomenon of the two grounding terminals G, so as to easily generate signal interference. The utility model discloses a set up grounding lug 3 to make grounding lug 3, shielded wire 42 and ground terminal G even an organic whole, increased ground area, improved cable connector 100's interference killing feature, make to use the cable 4 that only has a shielded wire 42 in high-speed cable connector to become possible.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present invention should be based on the technical personnel in the technical field, although the present specification has been described in detail with reference to the above embodiments, however, the skilled in the art should understand that the technical personnel in the technical field can still modify the present invention or substitute the same, and all technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A cable connector (100), characterized by: the cable comprises an insulating body (1), a plurality of conductive terminals (2) fixed on the insulating body (1), a grounding sheet (3) connected with part of the conductive terminals (2) and a plurality of cables (4); wherein: the conductive terminals (2) comprise a plurality of grounding terminals (G) and a plurality of signal terminals (S) positioned between two adjacent grounding terminals (G); at least one of the cables (4) includes a conductive wire (41) connected to the corresponding signal terminal (S) and a shield wire (42) connected to the ground strip (3); the grounding piece (3) comprises a fixing part (31) fixed on the insulating body (1) and a grounding part (33) connected with the grounding terminal (G).

2. The cable connector (100) of claim 1, wherein: the signal terminal (S) comprises a first elastic contact part (211) protruding out of the butting face (11) and a first mounting part (212) exposed on the mounting face (12), the grounding terminal (G) comprises a second elastic contact part (221) protruding out of the butting face (11) and a second mounting part (222) exposed on the mounting face (12), the conducting wire (41) is fixedly connected onto the first mounting part (212), and the grounding part (33) is connected with the second mounting part (222).

3. The cable connector (100) of claim 2, wherein: the insulation body (1) is provided with a raised part (13) protruding out of the mounting surface (12), and the fixing part (31) is fixed on the raised part (13); the grounding part (33) is lower than the fixing part (31), and the fixing part (31) and the side surface of the grounding part (33) are L-shaped on the whole.

4. The cable connector (100) of claim 1, wherein: the grounding piece (3) comprises a connecting part (32) opposite to the fixing part (31), the grounding part (33) is lower than the fixing part (31) and the connecting part (32), two ends of the grounding part (33) are respectively connected to the connecting part (32) and the fixing part (31), and the side surfaces of the fixing part (31), the grounding part (33) and the connecting part (32) are U-shaped on the whole; the shielding wire (42) is turned over from the bottom of the connecting part (32) to the end far away from the fixing part (31), and the shielding wire (42) is fixed on the top surface of the connecting part (32).

5. The cable connector (100) of claim 3, wherein: the grounding plate (3) comprises a first grounding plate (34) and a second grounding plate (35) contacted with the first grounding plate (34); the cable connector (100) comprises an insulating block (36) fixed with the first grounding piece (34) and located below the first grounding piece (34), wherein first accommodating spaces (361) corresponding to the conducting wires (41) in a one-to-one mode and supporting protrusions (362) located on two sides of each first accommodating space (361) are arranged on the bottom wall of the insulating block (36), and the adjacent conducting wires (41) are separated by the supporting protrusions (362) located between the two conducting wires (41).

6. The cable connector (100) of claim 5, wherein: the fixing part (31) and the grounding part (33) are both positioned on the second grounding piece (35); the wire (41) with shielded wire (42) are located respectively the upper and lower both sides of first ground lug (34), wire (41) with the extending direction of shielded wire (42) is the same, first ground lug (34) is equipped with first top surface (341), shielded wire (42) are fixed first top surface (341).

7. The cable connector (100) of claim 1, wherein: the grounding plate (3) comprises a plurality of protruding parts (37) connected with the grounding parts (33), each protruding part (37) is provided with a second accommodating space (370) positioned between the two grounding parts (33) connected with the protruding part, and the second accommodating space (370) accommodates the conducting wires (41) of the corresponding cables (4).

8. The cable connector (100) of claim 7, wherein: wire (41) with shielded wire (42) are located respectively the upper and lower both sides of uplift portion (37), wire (41) with the extending direction of shielded wire (42) is the same, uplift portion (37) are equipped with second top surface (371), shielded wire (42) are fixed second top surface (371).

9. The cable connector (100) of claim 8, wherein: the second top surface (371) is provided with a groove (372) for positioning the shielding wire (42).

10. The cable connector (100) of any of claims 1 to 9, wherein: -two of said conductors (41) of each of said cables (4), only one of said shielding wires (42) of each of said cables (4); and the number of the signal terminals (S) between two adjacent ground terminals (G) is two.

11. The cable connector (100) of any of claims 1 to 9, wherein: the conductive terminals (2) are embedded and molded in the insulating body (1), and the conductive terminals (2) are provided with connecting sheets (20) which connect all the grounding terminals (G) into a whole.