CN205355364U - Electric connector and patch cable assembly thereof - Google Patents

Abstract

The utility model discloses an electrical connector and a cable assembly thereof, wherein the electrical connector comprises an insulating shell with a docking space, a conductive module assembled in the insulating shell, a shielding sheet, a grounding sheet and The conductive shell, the conductive terminals of the conductive module are arranged in upper and lower rows, and are integrally formed in the insulating body. The insulating body is provided with a receiving cavity between the upper and lower rows of conductive terminals, and the shielding sheet is fixed on the In the accommodating cavity of the insulating body, the conductive shell is in electrical contact with the shielding piece and the grounding piece to form an integrated shielding structure. The electrical connector and the cable assembly thereof of the utility model have reliable and stable manufacturing process, lower cost and more stable performance.

Description

Electrical connector and its cable assembly

technical field

The utility model relates to an electric connector and a cable assembly thereof.

Background technique

Today, the Universal Serial Bus (USB) is widely used in occasions where computers and various portable devices need to be connected. At present, most of the conductive terminals of such connectors and their cable assemblies on the market adopt stamping and bending schemes. , the stability of the production process is poor, the production cost is high, and there are also a few structures that use blanking, but the production process is relatively complicated, and the quality pass rate is not high.

Utility model content

Based on this, in order to solve the above problems, it is necessary to provide a simple and stable electrical connector and cable assembly thereof.

In order to achieve the above object, the technical solution adopted by the utility model to solve the technical problems is:

An electrical connector is provided, comprising:

An insulating shell with a docking space;

The conductive module is assembled in the insulating housing, including an insulating body and conductive terminals fixed in the insulating body and arranged in upper and lower rows, and the insulating body is provided with a receiving cavity between the upper and lower rows of conductive terminals;

a shielding sheet, the shielding sheet is fixed in the accommodation cavity of the insulating body;

The conductive shell is fixed on the outside of the insulating shell and is in electrical contact with the shielding sheet.

In one of the embodiments, there are multiple conductive modules, and each conductive module has two conductive terminals arranged in a row up and down.

In one of the embodiments, the insulating body of each conductive module has a first side and a second side, the first side has a positioning protrusion, and the second side has a positioning groove. The positioning protrusions or the positioning grooves of the insulating body of each adjacent conductive module are respectively fitted into the positioning grooves or the positioning protrusions correspondingly.

In one of the embodiments, the shielding sheet includes a flat main body, two elastic side arms formed by bending and extending from two side edges of the flat main body and symmetrical with respect to the flat main body, each elastic side arm An elastic buckle protruding into the docking space is provided on the top, and the main body of the tablet is plugged and fixed in the receiving cavity of the insulating body.

In one of the embodiments, the conductive terminals are integrally formed in the insulating body.

In one of the embodiments, the conductive terminal is made of a metal material of equal thickness through a stamping and blanking process.

In one of the embodiments, the conductive terminal has a protrusion exposed from the insulating body.

In one of the embodiments, the locking protrusion is locked in the insulating housing when the conductive module is assembled in the insulating housing.

In one of the embodiments, the electrical connector further includes a grounding piece, the grounding piece is installed on the front end of the insulating housing and is provided with a grounding claw extending into the docking space, and the grounding piece is in electrical contact with the conductive shell.

In order to solve the above technical problems, another technical solution adopted by the utility model is to provide a cable assembly, which includes:

An electrical connector, the electrical connector includes an insulating housing with a docking space, a conductive module assembled in the insulating housing, a shielding piece, a grounding piece and a conductive shell, the conductive module includes an insulating body and is fixed on the The conductive terminals arranged in the upper and lower rows in the insulating body, the insulating body is provided with a receiving cavity between the upper and lower rows of conductive terminals, the shielding sheet is fixed in the receiving cavity of the insulating body, and the conductive shell be in electrical contact with the shielding sheet and the grounding sheet;

A cable having a core wire;

The printed circuit board is provided with a wiring pattern connecting the cable core wire and the conductive terminal;

The metal shell wraps around the printed circuit board and is fixed with the conductive shell at the front end, and has a through hole for accommodating the cable at the rear end.

The beneficial effects of the utility model are: different from the existing technical situation, the utility model integrates the conductive terminal and the insulating body to form a conductive module, and then assembles the conductive module and the shielding sheet into the insulating shell and the conductive shell, which simplifies The production process improves the production efficiency. At the same time, this configuration has better process stability. Secondly, the conductive module can be assembled in the insulating shell and the conductive shell, and then the shielding sheet can be inserted into the insulating body of the conductive module. In the storage chamber, the conductive modules with relatively weak structural strength are prevented from being damaged during the assembly process, which makes the production process more reliable and the quality pass rate is greatly improved. On the other hand, the shielding sheet and the grounding sheet are electrically connected to the conductive shell respectively contact, forming an integrated shielding structure, which ensures that the electrical connector has a good shielding effect and makes the performance more stable.

Description of drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of an electrical connector according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an exploded structure of an embodiment of the electrical connector of the present invention;

Fig. 3 is a sectional view of the structure shown in Fig. 1;

Fig. 4 is another structural sectional view shown in Fig. 1;

FIG. 5a, FIG. 5b, and FIG. 5c are structural schematic diagrams of the insulating housing shown in FIG. 2;

Fig. 6 is a schematic structural diagram of the conductive module shown in Fig. 2;

FIG. 7 is a schematic structural view of another embodiment of the conductive module;

FIG. 8 is a schematic diagram of a three-dimensional structure of a cable assembly according to an embodiment of the present invention;

Fig. 9 is a schematic exploded view of the structure shown in Fig. 8;

Explanation of important symbols:

Electrical connector 01 insulating housing 10 docking space 101

Receiving space 102 conductive module 20 insulating body 21

Spacer 103 Accommodating Cavity 211 Conductive Terminal 22 Accommodating Groove 10b

Card protrusion 221 Through groove 103a Barrier 10a Hollow space 50a

Through hole 104 Limiting slot 105 Engagement recess 106 Protrusion 32c

Shielding sheet 30 flat body 31 elastic side arm 32 stuck point 50b

Elastic buckle 32a clamping mouth 32b conductive shell 50 grounding sheet 40

Contact part 22a holding part 22b welding part 22c contact arm 42

Ground claw 41 cable assembly 02

Inclusion metal shell 60 perforation 601

detailed description

In order to facilitate the understanding of the present invention, the coaxial connector will be described more fully below with reference to the relevant drawings. A preferred embodiment of the coaxial connector is shown in the accompanying drawings. However, coaxial connectors can be implemented in many different forms and are not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the coaxial connector more thorough and comprehensive.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in the description of the coaxial connector is only for the purpose of describing specific embodiments, and is not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, an electrical connector 01 of a preferred embodiment of the present invention is disclosed, which includes an insulating housing 10, a conductive connector composed of an insulating body 21 and a conductive terminal 22. Module 20, shielding sheet 30, conductive shell 50, and grounding sheet 40. In all descriptions herein, the front end refers to one end of the socket that is close to the electrical connector of the present invention and its paired counterpart connector, and the rear end is Refers to the other end away from the paired socket, and it is not limited to this in practical applications.

In this embodiment, the insulating housing 10 is symmetrical about up and down and left and right, the upper half and the lower half are the same, the left half and the right half are the same, and the insulating housing 10 is roughly shaped as a rectangular parallelepiped with rounded corners. , a docking space 101 for accommodating a counterpart connector (not shown) is provided at its front end, a receiving space 102 is provided at its rear end, and a step is provided at the receiving space 102 at its rear end, and the receiving space 102 A spacer 103 is disposed between the docking space 101 , and the spacer 103 is arranged with two rows of through slots 103 a for accommodating a plurality of corresponding conductive terminals 22 . The insulating casing 10 is respectively provided with partitions 10a on the upper and lower inner walls of the docking space 101 and the receiving space 102 in a one-to-one correspondence, and the corresponding partitions are formed between two adjacent partitions 10a. The through groove 103a is connected to the receiving groove 10b, and the upper surface and the lower surface of the front part of the insulating housing 10 are also provided with several through holes 104 penetrating into the docking space 101 . The two sides of the insulating housing 10 are provided with limiting grooves 105, and the limiting grooves 105 communicate with the docking space 101 and the receiving space 102 on both sides of the docking space 101 and the receiving space 102 respectively, so that The limiting groove 105 is open to two sides facing the insulating housing 10 . As can be seen from the figure, an engagement recess 106 is also provided on the upper and lower surfaces of the rear end of the insulating housing 10 .

As shown in Fig. 3 and Fig. 4, and in conjunction with Fig. 5a-Fig. 102 , and is blocked and limited by the end surface of the spacer 103 facing the receiving space 102 .

Referring to Fig. 6, in the technical solution of the present utility model, the conductive module 20 can be fixed on a plurality of conductive terminals 22 by means of insert-molding or assembly. It is formed on the insulating body 21. In this embodiment, the conductive module 20 is formed by integrally molding 22 conductive terminals 22 divided into equal numbers of upper and lower rows and arranged equidistantly in the insulating body 21. The insulating body 21 has a storage cavity 211 in the longitudinal middle position, which separates the upper row of conductive terminals and the lower row of conductive terminals at equal intervals, and is used to accommodate the shielding sheet 30, and the electromagnetic isolation of the shielding sheet 30 eliminates the upper row of conductive terminals. EMI mutual interference between the conductive terminal and the lower row of conductive terminals. The conductive terminal 22 is a blanking type terminal made of a metal material of equal thickness through a stamping and blanking process, which has two protrusions 221 at different positions exposed outside the insulating body 21. The protrusion 221 is locked in the insulating housing 10 when the conductive module 20 is assembled in the insulating housing 10 . Specifically, the conductive terminal 22 includes a contact portion 22a, a holding portion 22b, and a welding portion 22c that are in contact with a conductive terminal (not shown in the figure) of the opposite connector, and the contact portion 22a extends through the corresponding slot 10b. Into the docking space 101, the holding part 22b is integrally fixed on the insulating body 21, the welding part 22c is exposed outside the insulating body 21, and the insulating body 21 is installed on the In the receiving space 102 of the insulating housing, and through the stop step provided at the rear end thereof and the step stop of the receiving space 102 .

It is worth noting that, referring to FIG. 7, in another implementation, the conductive module 20 may be composed of a plurality of conductive modules 20' with similar structures, and each conductive module 20' includes an insulating body 21' and two conductive terminals 22 integrally formed on the insulating body 21' and arranged in upper and lower rows, the conductive module 20' is provided with a receiving cavity 211' between the upper and lower rows of conductive terminals 22, in this embodiment, The two conductive terminals 22 are the same, including positioning protrusions or positioning recesses (not shown in the figure) may be provided on the first side of the insulating body 21' for the convenience of pre-installation and combination. The second side is provided with a positioning concave portion or a positioning convex portion that can be fitted with the first side. Through the fitting of the positioning convex portion and the positioning concave portion, a plurality of conductive modules can be assembled side by side into a whole and inserted into the inside the insulating case.

The shielding sheet 30 is made of a metal plate through bending and other stamping processes, and includes a plate-shaped flat body 31 , and two symmetrical parts that are formed by bending and extending from both sides of the flat body 31 and are symmetrical to the flat body 31 . Elastic side arms 32, each elastic side arm 32 is provided with an elastic buckle 32a protruding into the docking space 101, specifically, the tablet main body 31 is plugged and fixed to the housing of the insulating body 21 In the cavity 211, the elastic side arm 32 is accommodated in the limiting groove 105, and is in electrical contact with the conductive housing 50 through its lateral bump 32c, and the rear end of the elastic side arm 32 is also A clamping opening 32b is provided for clamping and fixing a corresponding printed circuit board (not shown in the figure) when manufacturing the cable assembly.

The grounding piece 40 is formed by a stamping and bending process from a metal plate of equal thickness, and is mounted laterally on the front end of the insulating housing 10 . The grounding piece 40 is also provided with a plurality of grounding claws 41 , the grounding claws 41 protrude into the docking space 101 through the through holes 104 respectively, and the grounding piece 40 also includes a folded contact arm 42 for electrically contacting with the conductive shell 50 .

The conductive housing 50 has a hollow space 50a, the insulating housing 10 is accommodated in the hollow space 50a, and the upper and lower surfaces of the conductive housing 50 are provided with snap points 50b, through which the snap points are engaged with the In the engaging recess 106 , the conductive shell 50 is fixed to the outside of the insulating casing 10 .

As shown in the figure, the cable assembly 20 mainly composed of the electrical connector 01 also includes a cable (not shown in the figure), a printed circuit board (not shown in the figure) and a cladding metal Shell 60, the core wire (not shown in the figure) of the cable assembly passes through the perforation 601 of the enclosing metal shell 60 and passes through the wiring pattern of the printed circuit board and the corresponding conductive terminal 22 is electrically connected to form a signal path, and the enclosing metal shell covers the printed circuit board and the core wire and is fixedly connected with the conductive shell 50 to protect the internal circuit and shield external electromagnetic interference.

The advantage of the preferred embodiment of the electrical connector 01 of the present utility model is that a plurality of conductive terminals 22 are fixed in the insulating body 21 to form a whole conductive module 20, or assembled into a whole conductive module 20. Afterwards, the ground plate 40 is installed on the front of the insulating housing 10 and assembled together in the conductive housing 50, and then the conductive module 20 is assembled in the receiving space of the insulating housing 10, and finally the The shielding sheet 30 is assembled in the receiving cavity 211 of the insulating body 21 to finally form an electrical connector product. On the one hand, the conductive terminal 22 is designed with a blanking structure, and its production process is simpler, stable and reliable; In addition, this process puts the assembly process of the shielding sheet 30 in the last step, avoiding the possibility of accidental contact damage to the conductive module 20 (especially the conductive terminal 22) Moreover, through the continuous electrical contact of the shielding sheet 30, the grounding sheet 40, the conductive shell 50 and the enclosing metal shell 60 configured above, an integrated shielding structure is realized, so that the electrical connector and the cable assembly have excellent shielding effect, to achieve more stable performance indicators.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. An electrical connector, characterized in that, comprising: An insulating shell with a docking space; The conductive module is assembled in the insulating housing, including an insulating body and conductive terminals fixed in the insulating body and arranged in upper and lower rows, and the insulating body is provided with a receiving cavity between the upper and lower rows of conductive terminals; a shielding sheet, the shielding sheet is fixed in the accommodation cavity of the insulating body; The conductive shell is fixed on the outside of the insulating shell and is in electrical contact with the shielding sheet. 2 . The electrical connector according to claim 1 , wherein there are multiple conductive modules, and each conductive module has two conductive terminals arranged in a row up and down. 3 . 3. The electrical connector according to claim 2, wherein the insulating body of each conductive module has a first side and a second side, the first side has a positioning protrusion, and the second side has a positioning protrusion. The two sides have positioning grooves, and the positioning protrusions or positioning grooves of the insulating body of each adjacent conductive module are respectively fitted with the positioning grooves or the positioning protrusions. 4. The electrical connector according to claim 1, wherein the shielding piece comprises a flat body, two elastic sides formed by bending and extending from two side edges of the flat body and symmetrical with respect to the flat body. Each of the elastic side arms is provided with an elastic buckle extending into the docking space, and the main body of the flat panel is plugged and fixed in the receiving cavity of the insulating body. 5. The electrical connector according to claim 1 or 2, wherein the conductive terminal is integrally formed in the insulating body. 6. The electrical connector according to any one of claims 1 to 4, wherein the conductive terminal is made of a metal material of equal thickness through a stamping and blanking process. 7. The electrical connector according to claim 6, wherein the conductive terminal has a protrusion exposed from the insulating body. 8 . The electrical connector according to claim 7 , wherein the locking protrusion is locked in the insulating housing when the conductive module is assembled in the insulating housing. 9 . 9. The electrical connector according to claim 1, characterized in that, the electrical connector further comprises a grounding piece, the grounding piece is mounted on the front end of the insulating housing and is provided with a hole extending into the docking space The grounding claw of the grounding piece is in electrical contact with the conductive shell. 10. A cable assembly, characterized in that, comprising: An electrical connector, the electrical connector includes an insulating housing with a docking space, a conductive module assembled in the insulating housing, a shielding piece, a grounding piece and a conductive shell, the conductive module includes an insulating body and is fixed on the The conductive terminals arranged in the upper and lower rows in the insulating body, the insulating body is provided with a receiving cavity between the upper and lower rows of conductive terminals, the shielding sheet is fixed in the receiving cavity of the insulating body, and the conductive shell be in electrical contact with the shielding sheet and the grounding sheet; A cable having a core wire; The printed circuit board is provided with a wiring pattern connecting the cable core wire and the conductive terminal; The metal shell wraps around the printed circuit board and is fixed with the conductive shell at the front end, and has a through hole for accommodating the cable at the rear end.