An electrical connector

Abstract

The application discloses an electric connector, which comprises a shell and a base, the base is embedded in the shell, the shell has a socket, and the end of the base facing the socket is provided with a plug-in cavity; the end of the base away from the socket is provided with a containing space, the containing space is provided with a circuit board, and the circuit board is provided with a grounding terminal extending towards the containing space; the end of the grounding terminal is provided with a plug-in part facing the circuit board, the plug-in part is arranged on the circuit board, the middle section of the plug-in part is wide at both ends and narrow in the middle, and the middle section of the plug-in part is provided with a through hole; the end of the grounding terminal away from the circuit board is provided with a bent elastic abutting part, and the abutting part is arranged in abutment with the inner wall of the rear end of the shell; the circuit board is provided with a grounding hole, and the plug-in part is arranged in the grounding hole of the grounding terminal of the circuit board. The application is applied to a network port with a transformer and a network port without a transformer, the grounding terminal is assembled on a PCB, and the other end is in elastic contact with an iron shell, so that automatic assembly of the grounding terminal is facilitated, welding is not needed, and the production efficiency is high.

Description

Technical Field

[0001] This invention relates to the field of connector technology and is applied to network equipment; specifically, it relates to a grounding structure for an electrical connector. Background Technology

[0002] Network connectors are mainly used in computer peripherals, servers, routers, switching equipment, and other products for data transmission and peripheral connection. They are widely used in networking, communication, and automation control. As electronic products become increasingly feature-rich, the structural requirements for these products are also increasing. For example, the grounding design of the metal casing includes fusion welding structures and spring-loaded grounding structures, which adds extra steps to the actual production process and can easily affect the stability of the connector during connection. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a grounding structure for an electrical connector with an independent grounding PIN (terminal) design, which facilitates automated assembly of the grounding PIN without the need for soldering. The overall structure of the product is simple and stable, and the production efficiency is high.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] An electrical connector includes a housing and a base. The base is embedded in the housing. The housing has a socket. The base has a mating cavity at one end facing the socket. The base has an accommodating space at the other end away from the socket. A circuit board is disposed in the accommodating space. A grounding terminal is provided on the circuit board extending toward the accommodating space, i.e., a grounding terminal is provided on the circuit board extending toward the rear wall of the housing.

[0006] The grounding terminal has a plug-in portion facing the circuit board at its end. The plug-in portion passes through the circuit board and is wide in the middle and narrow at both ends. A through hole is opened in the middle of the plug-in portion.

[0007] The end of the grounding terminal away from the circuit board is provided with a bent elastic abutment, and the outer wall of the abutment is pressed against the inner wall of the rear end of the housing.

[0008] Furthermore, in some embodiments, the circuit board is provided with a grounding hole, and the grounding terminal is provided with a plug-in part near one end of the circuit board, the plug-in part passing through the grounding hole on the circuit board;

[0009] Furthermore, in some embodiments, the abutting portion is U-shaped and the outer wall of the U-shape protrudes outward with a rib, and the outer wall of the U-shape abuts against the inner wall of the rear end of the housing through the rib.

[0010] Furthermore, in some embodiments, the side of the circuit board is provided with an outwardly protruding bump, and a grounding hole is opened on the bump; the circuit board is provided with a number of electrical components.

[0011] Furthermore, in some embodiments, the base has a (vertical) partition plate in the middle, and the insertion cavity and accommodating space on the base are located on both sides of the partition plate;

[0012] The partition plate has several positioning posts extending toward the accommodating space on the side away from the insertion cavity, and the circuit board is pressed against the positioning posts.

[0013] Furthermore, in some embodiments, the circuit board is provided with a plurality of insertion holes (soldering holes), and the circuit board is provided with terminal assemblies. The soldering end of the terminal assembly is inserted into the insertion holes of the circuit board, and the end of the terminal assembly away from the circuit board is provided with a bent contact portion, which is disposed in the insertion cavity.

[0014] Furthermore, in some embodiments, a receiving groove is provided on the inner wall of the insertion cavity of the base, and a limiting cavity is provided at the end of the receiving groove away from the circuit board. The terminal assembly further has an extension section and a bent end that are sequentially connected between the welding end and the contact portion. The extension section is disposed in the receiving groove, and the bent end is abutted in the limiting cavity.

[0015] Furthermore, in some embodiments, the circuit board is provided with a plurality of insertion holes (soldering holes), and the circuit board is provided with a lead assembly. The lead assembly has a soldering end, an extension and a connecting end connected in sequence. The soldering end of the lead assembly is inserted into the insertion hole of the circuit board. The lead assembly is provided with a fixing cross plate. The extension of the lead assembly is injection molded on the fixing cross plate. The connecting end of the lead assembly is bent outward and extends to the outside of the base.

[0016] Furthermore, in some embodiments, the lower part of the accommodating space of the base is provided with an opening, and the bottom of the fixed horizontal plate facing the accommodating space is provided with a limiting groove. The fixed horizontal plate is disposed in the opening, and the limiting groove of the fixed horizontal plate abuts against the side of the opening.

[0017] Furthermore, in some embodiments, the inner wall of the accommodating space of the base is provided with an inwardly protruding mating strip, and the fixing cross plate is provided with a mating groove that matches the mating strip;

[0018] The base has a positioning groove at the end of the side wall of the accommodating space, and a positioning block that matches the positioning groove is provided on the fixed horizontal plate.

[0019] This invention is applicable to both transformer-equipped and transformerless network ports, as well as network ports of various shapes, such as 1X1, 1XN, and 2XN. The invention features an independent grounding terminal design, facilitating automated assembly without the need for soldering; the fisheye grounding terminal is assembled onto the PCB, with the other end elastically contacting the metal casing, simplifying production and ensuring a reliable design. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of an embodiment of the present invention;

[0021] Figure 2 This is a schematic diagram of the accommodating space portion according to an embodiment of the present invention;

[0022] Figure 3 This is an exploded view of an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of an embodiment of the present invention;

[0024] Figure 5 This is a schematic diagram of the grounding terminal portion of an embodiment of the present invention;

[0025] Figure 6 This is an assembly diagram of the circuit board portion according to an embodiment of the present invention;

[0026] Figure 7 This is a cross-sectional structural diagram of an embodiment of the present invention;

[0027] Figure 8 This is an exploded perspective view of an embodiment of the present invention;

[0028] Figure 9 This is a three-dimensional schematic diagram of the circuit board portion according to an embodiment of the present invention;

[0029] Figure 10 This is a cross-sectional schematic diagram of the housing portion of the present invention.

[0030] Explanation of reference numerals in the attached figures:

[0031] Housing 11, socket 12, base 13, insertion cavity 14, receiving groove 15, limiting cavity 18, middle partition 19, terminal assembly 22, bent end 23, contact part 24, accommodating space 25, opening 26, mating protrusion 27, positioning groove 28, positioning post 29, circuit board 31, fixing horizontal plate 32, limiting groove 33, insertion hole 34, mating groove 35, positioning block 36, protrusion 37, grounding hole 38, electrical component 39, lead assembly 41, grounding terminal 45, insertion part 46, abutment part 47, protruding rib 48. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this invention, and not all of them. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0033] In the description of this invention, it should be noted that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly defined.

[0034] Please refer to the accompanying drawings. The present invention includes a housing 11 and a base 13. The base 13 is embedded in the housing 11. The housing 11 has an insertion port 12. The base 13 has an insertion cavity 14 at one end facing the insertion port 12. The base 13 has an accommodating space 25 at one end away from the insertion port 12. The base 13 has a (vertical) partition plate 19 in the middle. The insertion cavity 14 and the accommodating space 25 on the base 13 are respectively located on both sides of the partition plate 19.

[0035] A circuit board 31 is provided in the accommodating space 25. A plurality of positioning posts 29 extending toward the accommodating space 25 are provided on the side of the partition plate 19 away from the insertion cavity 14. The circuit board 31 is abutted against the positioning posts 29. A grounding terminal 45 extending toward the accommodating space 25 is provided on the circuit board 31, that is, a grounding terminal 45 extending toward the rear wall of the housing 11 is provided on the circuit board 31.

[0036] The grounding terminal 45 has a plug-in portion 46 facing the circuit board 31 at its end. The plug-in portion 46 passes through the circuit board 31. The plug-in portion 46 is wide in the middle and narrow at both ends. The middle section of the plug-in portion 46 has a through hole, which can be a fisheye structure.

[0037] Furthermore, in one embodiment of the present invention, the grounding terminal 45 is provided with a bent abutment portion 47 at the end away from the circuit board 31, and the abutment portion 47 is pressed against the inner wall of the rear end of the housing 11; in other words, the grounding terminal 45 is provided with a U-shaped abutment portion 47 at the end away from the circuit board 31, and the outer wall of the U-shaped abutment portion 47 is pressed against the inner wall of the rear end of the housing 11.

[0038] The circuit board 31 is provided with a grounding hole 38, and the grounding terminal 45 is provided with a plug-in part 46 near one end of the circuit board 31. The plug-in part 46 passes through the grounding hole 38 on the grounding end of the circuit board 31. The plug-in part 46 is wide in the middle and narrow at both ends, and a through hole is provided in the middle section of the plug-in part 46.

[0039] The circuit board 31 is provided with a grounding hole 38 (solder hole), and the middle section of the insertion part 46 of the grounding terminal 45 has a through-hole extrusion structure; in this embodiment, the extrusion structure of the insertion part 46 is a fisheye structure for grounding. The grounding terminal 45 (fisheye PIN) is assembled onto the PCB circuit board 31, and the other end of the abutment part 47 (spring) contacts the iron shell (housing 11), which is convenient for production and has a reliable design.

[0040] The abutting part 47 is provided with an outward protruding rib 48. In other words, the U-shaped outer side wall of the abutting part 47 is provided with an outward protruding rib 48, and the U-shaped outer side wall of the abutting part 47 is abutted against the inner rear end wall of the housing 11 by the rib 48.

[0041] Furthermore, in one embodiment of the present invention, the side of the circuit board 31 is provided with an outwardly protruding bump 37, and a grounding hole 38 is formed on the bump 37; the circuit board 31 is provided with a plurality of electrical components 39. In this embodiment, the electrical components 39 may be transformers, common mode inductors, surface mount resistors and / or surface mount capacitors.

[0042] The circuit board 31 is provided with several insertion holes 34 (soldering holes). The circuit board 31 is provided with terminal assembly 22 and lead assembly 41. The lead assembly 41 has a soldering end, an extension and a connecting end connected in sequence. The soldering end of the lead assembly 41 is inserted into the insertion hole 34 of the circuit board 31. The lead assembly 41 is provided with a fixing plate 32. The extension of the lead assembly 41 is injection molded on the fixing plate 32. The connecting end of the lead assembly 41 is bent and extends outward to the outside of the base 13. The lower part of the accommodating space 25 of the base 13 is provided with an opening 26. The bottom of the fixing plate 32 facing the accommodating space 25 is provided with a limiting groove 33. The fixing plate 32 is disposed in the opening 26. The limiting groove 33 of the fixing plate 32 abuts against the side of the opening 26.

[0043] Furthermore, in one embodiment of the present invention, the inner wall of the accommodating space 25 of the base 13 is provided with an inwardly protruding mating strip 27, and the fixing horizontal plate 32 is provided with a mating groove 35 that matches the mating strip 27; the end of the side wall of the accommodating space 25 of the base 13 is provided with a positioning groove 28, and the fixing horizontal plate 32 is provided with a positioning block 36 that matches the positioning groove 28.

[0044] The soldering end of the terminal assembly 22 is inserted into the insertion hole 34 of the circuit board 31. The end of the terminal assembly 22 away from the circuit board 31 is provided with a bent contact portion 24, which is disposed in the insertion cavity 14. The terminal assembly 22 further has an extension section and a bent end 23 connected sequentially between the soldering end and the contact portion 24. The inner wall of the insertion cavity 14 of the base 13 is provided with a receiving groove 15. The end of the receiving groove 15 away from the circuit board 31 is provided with a limiting cavity 18. The extension section of the terminal assembly 22 is disposed in the receiving groove 15, and the bent end 23 of the terminal assembly 22 is pressed against the limiting cavity 18.

[0045] The above detailed description includes references to the accompanying drawings, which form part of the detailed description. The drawings illustrate, by way of illustration, specific embodiments in which the invention can be implemented. These embodiments are also referred to herein as “examples.” These examples may include other elements besides those shown and described. The inventors also anticipate examples using any combination or arrangement of the shown or described elements, either with respect to specific examples (or one or more aspects thereof) or with respect to other examples shown or described herein (or one or more aspects thereof).

Claims

1. An electrical connector, comprising: The housing (11) and the base (13) are embedded in the housing (11). The housing (11) has a socket (12). The base (13) has a plug cavity (14) at one end facing the socket (12). The base (13) is characterized in that a receiving space (25) is provided at one end away from the socket (12). A circuit board (31) is provided in the receiving space (25). A grounding terminal (45) extending toward the rear wall of the housing (11) is provided on the circuit board (31). The grounding terminal (45) has a plug-in portion (46) facing the circuit board (31) at its end. The plug-in portion (46) passes through the circuit board (31). The plug-in portion (46) is wide in the middle and narrow at both ends. A through hole is opened in the middle section of the plug-in portion (46). The grounding terminal (45) has a bent elastic abutment (47) at one end away from the circuit board (31), and the outer side wall of the abutment (47) is pressed against the inner rear wall of the housing (11). The circuit board (31) is provided with a grounding hole (38), and the grounding terminal (45) is provided with a plug-in part (46) at one end near the circuit board (31). The plug-in part (46) passes through the grounding hole (38) on the circuit board (31). The abutting part (47) is U-shaped and the outer wall of the U-shape protrudes outward with a rib (48). The outer wall of the U-shape of the abutting part (47) abuts against the inner wall of the rear end of the housing (11) through the rib (48). The circuit board (31) has an outwardly protruding bump (37) on its side, and the grounding hole (38) is opened on the bump (37); The circuit board (31) is provided with several electrical components (39).

2. An electrical connector according to claim 1, characterized in that, The base (13) is provided with a partition plate (19) in the middle, and the insertion cavity (14) and the accommodating space (25) on the base (13) are respectively located on both sides of the partition plate (19); The partition plate (19) is provided with a plurality of positioning posts (29) extending toward the accommodating space (25) on the side away from the insertion cavity (14), and the circuit board (31) is abutted against the positioning posts (29).

3. An electrical connector according to claim 1, characterized in that, The circuit board (31) is provided with a plurality of plug holes (34), and the circuit board (31) is provided with a terminal assembly (22). The soldering end of the terminal assembly (22) is inserted into the plug hole (34) of the circuit board (31). The end of the terminal assembly (22) away from the circuit board (31) is provided with a bent contact portion (24), and the contact portion (24) is disposed in the plug cavity (14).

4. An electrical connector according to claim 3, characterized in that, The base (13) has a receiving groove (15) on the inner wall of the insertion cavity (14). The end of the receiving groove (15) away from the circuit board (31) has a limiting cavity (18). The terminal assembly (22) further has an extension section and a bent end section (23) connected sequentially between the welding end and the contact part (24). The extension section is disposed in the receiving groove (15), and the bent end section (23) is abutted in the limiting cavity (18).

5. An electrical connector according to claim 1, characterized in that, The circuit board (31) is provided with a plurality of insertion holes (34), and the circuit board (31) is provided with a lead assembly (41). The lead assembly (41) has a solder end, an extension and a connecting end connected in sequence. The solder end of the lead assembly (41) is inserted into the insertion hole (34) of the circuit board (31). The lead assembly (41) is provided with a fixing plate (32). The extension of the lead assembly (41) is injection molded on the fixing plate (32). The connecting end of the lead assembly (41) is bent outward and extends to the outside of the base (13).

6. An electrical connector according to claim 5, characterized in that, The base (13) has an opening (26) at the lower part of the accommodating space (25). The fixed horizontal plate (32) has a limiting groove (33) at the bottom of one end facing the accommodating space (25). The fixed horizontal plate (32) is disposed in the opening (26), and the limiting groove (33) of the fixed horizontal plate (32) abuts against the side of the opening (26).

7. An electrical connector according to claim 5, characterized in that, The base (13) has an inwardly protruding mating strip (27) on the inner wall of the accommodating space (25), and the fixed horizontal plate (32) has a mating groove (35) that matches the mating strip (27). The base (13) has a positioning groove (28) at the end of the side wall of the accommodating space (25), and the fixed horizontal plate (32) has a positioning block (36) that matches the positioning groove (28).

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