CN112615175A

CN112615175A - Socket connector

Info

Publication number: CN112615175A
Application number: CN202011594882.0A
Authority: CN
Inventors: 赵磊; 徐春英
Original assignee: Suzhou Weilan Precision Components Co ltd
Current assignee: Shanghai Weilan Industrial Product Design Co., Ltd.
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-04-06

Abstract

The invention discloses a socket connector, comprising: the terminal group comprises a metal shell, an insulating body and a terminal group; the terminal group comprises a plurality of conductive terminals embedded in the insulating body, each conductive terminal comprises an exposed contact part and an extended part, each contact part is configured to be electrically contacted with the inserted plug connector, and each extended part is configured to be electrically connected with the butted circuit board in a contact and conductive mode. According to the socket connector provided by the invention, the rear end of the conductive terminal used for being electrically connected with the electronic equipment circuit board is constructed into the extending part structure similar to a golden finger, so that the conductive terminal can be directly electrically connected with the matching part on the circuit board of the electronic equipment in a contact conductive manner through the extending part, and the repeated plugging and unplugging of the socket connector on the electronic equipment can be realized, and the socket connector can be conveniently detached and replaced.

Description

Socket connector

Technical Field

The invention belongs to the technical field of connectors, and particularly relates to a pluggable socket connector.

Background

Socket connectors are widely used in various fields. However, the conventional socket connector (e.g., Type-C socket connector) usually connects the soldering portions at the rear ends of the conductive terminals to the circuit board of the electronic device by soldering, and the soldering makes it difficult to detach and replace the socket connector after the socket connector is assembled on the electronic device.

Therefore, there is a need to provide a new socket connector.

Disclosure of Invention

The invention aims to provide a pluggable socket connector which is convenient to disassemble and replace, so as to solve the problems in the prior art.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

a receptacle connector comprising:

an insulating body;

the terminal group comprises a plurality of conductive terminals embedded in the insulating body, each conductive terminal comprises a contact part and an extension part, the contact parts are exposed out of the insulating body, the contact parts are configured to be electrically contacted with the inserted plug connector, and the extension parts are configured to be electrically connected with the butted circuit board in a contact and conductive mode.

Furthermore, the insulating body comprises a base part, a tongue plate formed by the front end surface of the base part protruding forwards, and a plug board formed by the rear end surface of the base part protruding backwards, the contact part of the conductive terminal is at least partially exposed on the outer surface of the tongue plate, and the extension part of the conductive terminal is at least partially exposed on the outer surface of the plug board.

Further, the receptacle connector further includes a metal housing having a receiving cavity for insertion of the plug connector, and the tongue plate is received in the receiving cavity and is configured to engage with the inserted plug connector.

Further, a flange surrounding the end of the tongue plate is formed by protruding the end of the tongue plate combined with the base, and the metal shell is mounted on the flange.

Furthermore, the flange is concavely provided with a clamping groove, the metal shell is provided with a clamping part matched and clamped with the clamping groove, and the clamping part is clamped in the clamping groove to fix the metal shell on the flange.

Furthermore, a waterproof ring surrounding the base part is convexly arranged on the outer peripheral surface of the base part, the waterproof ring and the base part are constructed to be integrally formed in an injection molding mode, and the waterproof ring is made of plastic materials.

Further, the terminal group comprises a first conductive terminal and a second conductive terminal which are arranged on the same plane, and the first conductive terminal and the second conductive terminal are respectively constructed to be integrally formed.

Further, the first conductive terminal comprises a left terminal and a right terminal which are spaced apart from each other, and contact portions of the left terminal and the right terminal are respectively protruded in opposite directions to be respectively exposed on two opposite surfaces of the tongue plate.

Further, the second conductive terminal is disposed between the left terminal and the right terminal, and the second conductive terminal includes two contact portions protruding toward opposite directions, and the two contact portions are aligned with the contact portions of the left terminal and the right terminal to be exposed on two opposite surfaces of the tongue plate, respectively.

Furthermore, the terminal set further comprises two hooks, and the two hooks are respectively attached to the inner sides of the contact parts of the left terminal and the right terminal and are covered in the tongue plate.

The invention has the beneficial effects that:

compared with the prior art, the socket connector provided by the invention has the advantages that the extending parts which are used for being electrically connected with the electronic equipment circuit board on the conductive terminals are constructed into the structure similar to a golden finger, so that the conductive terminals can be directly electrically connected with the matching parts on the circuit board of the electronic equipment in a contact conductive manner through the extending parts, the repeated plugging and unplugging of the socket connector on the electronic equipment can be realized, and the socket connector can be conveniently detached and replaced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic perspective view of a preferred embodiment of the present application;

FIG. 2 is an exploded schematic view of the embodiment shown in FIG. 1;

fig. 3 is a schematic perspective view of the assembled insulation body and terminal set in the embodiment shown in fig. 1;

fig. 4 is a schematic structural diagram of fig. 3 from another view angle.

Description of reference numerals: 1-a metal housing; 11-a housing chamber; 12-a catch; 13-riveting the seam; 14-a tab; 2-an insulating body; 21-tongue plate; 22-a plugboard; 23-a base; 24-a flange; 25-a card slot; 26-waterproof ring; 27-a containing groove; 28-grooves; 3-a terminal group; 31-a first conductive terminal; 32-a second conductive terminal; 33-a contact portion; 34-an extension; 35-hook; 311-left terminal; 312-right side terminal.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In the illustrated embodiment, directional references, i.e., up, down, left, right, front, rear, etc., are relative to each other and are used to explain the relative structure and movement of the various components in the present application. These representations are appropriate when the components are in the positions shown in the figures. However, if the description of the location of an element changes, it is believed that these representations will change accordingly.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, a socket connector according to a preferred embodiment of the present invention includes: an insulating body 2 and a terminal group 3.

Referring to fig. 2-4, the terminal set 3 includes a plurality of conductive terminals embedded in the insulating body 2, and the conductive terminals include a contact portion 33 and an extension portion 34 exposed outside the insulating body 2 (the contact portion 33 and the extension portion 34 are at least partially exposed outside the insulating body 2). The contact portion 33 of the conductive terminal is configured to be electrically contacted with an inserted plug connector, and the extending portion 34 of the conductive terminal is configured to be electrically connected with a butted circuit board (which may be a circuit board of an electronic device assembled with the socket connector, and on which a mating part that is mated with the extending portion to achieve contact conduction) in a detachable contact conduction manner (a detachable contact conduction manner such as press-fit, elastic contact, etc.) through the exposed portion thereof. Of course, the extension portion 34 of the conductive terminal may be conductively connected to the circuit board of the electronic device by a fixed conductive connection method such as soldering.

In an actual usage scenario, the extension portion 34 of the conductive terminal may be electrically connected to the circuit board only in a detachable contact conductive manner, or only in a fixed conductive connection manner such as welding, or in a combination manner.

Preferably, the extension length and width of the extension portion 34 of the conductive terminal are configured to be larger than the soldering portion of the existing terminal, so that the extension portion 34 has a larger conductive contact surface (similar to the structure of a gold finger) to achieve a good contact conductive effect, and the shape of the conductive contact surface is not particularly limited, and may be, for example, a plane, a convex surface, a concave surface, and the like. More preferably, a gold plating may be provided on the outer surface of the exposed portion of the extension 34 to increase oxidation resistance to maintain good electrical conductivity.

The metal housing 1 has a receiving cavity 11 for inserting a plug connector. The insulating body 2 has a tongue 21 projecting forward and a plug 22 projecting rearward, said tongue 21 being housed in the housing cavity 11 of the metal shell 1 and configured to be able to engage with an inserted plug connector.

In an exemplary embodiment, the insulating body 2 comprises a tongue plate 21, a plug plate 22 and a base 23. The tongue plate 21 is configured to project forward from the front end surface of the base 23, and the plugboard 22 is configured to project rearward from the rear end surface of the base 23. The contact portion 33 of the conductive terminal is at least partially exposed on the outer surface of the tongue plate 21, and the extension portion 34 of the conductive terminal is at least partially exposed on the outer surface of the plugboard. The tongue plate 21, the base 23 and the plug plate 22 are preferably configured as an injection-molded integral part, wherein the tongue plate 21 and the base 23 are preferably arranged coaxially. The outer surface of the plugboard 22 is concavely provided with a receiving groove 27 for receiving the extending portion 34 of the conductive terminal, and when the extending portion 34 is received in the receiving groove 27, the contact surface exposed for contacting with a matching component on a circuit board of the electronic device for conduction can be provided.

In an exemplary embodiment, the receptacle connector further includes a metal housing 1, the metal housing 1 has a receiving cavity 11 for inserting the plug connector, and the tongue plate 21 is received in the receiving cavity 11 and is configured to engage with the inserted plug connector.

In an exemplary embodiment, a flange 24 surrounding the end of the tongue plate 21 is formed to protrude from the end of the tongue plate 21 joined to the base 23, the flange 24 forms a stepped structure between the tongue plate 21 and the base 23, and the metal shell 1 is fitted around the outer peripheral surface of the flange 24. In order to enable the metal shell 1 to be securely sleeved on the flange 24, the metal shell 1 and the flange 24 are preferably configured to be interference fit.

In an exemplary embodiment, the flange 24 is concavely provided with a clamping groove 25, and the metal shell 1 is provided with a clamping portion 12 which is matched and clamped with the clamping groove 25. Preferably, the upper and lower surfaces of the flange 24 are both concavely provided with clamping grooves 25, and the metal shell 1 is correspondingly provided with two sets of clamping parts 12, so that the metal shell 1 can be firmly fixed on the flange 24 by clamping the clamping parts 12 in the clamping grooves 25.

In an exemplary embodiment, the metal shell 1 is a stamped and formed collar-like structure having a riveted joint 13 formed thereon as a result of a stamping riveting process. The holding part 12 of the metal shell 1 is formed by bending and extending the rear end side edge of the metal shell 1 into the receiving cavity 11, the top wall and the bottom wall of the metal shell 1 are further stamped with a lug 14 protruding into the receiving cavity 11, and the front end of the flange 24 is provided with a groove 28 matching with the lug 14.

In an exemplary embodiment, a waterproof ring 26 surrounding the base 23 is protruded on the outer circumferential surface of the base 23. The waterproof ring 26 and the base 23 are formed by injection molding and are integrally formed, and the waterproof ring 26 is made of a plastic material with deformability, so that when the socket connector is assembled on an electronic device, the waterproof ring 26 can be tightly combined with a matching component on the electronic device to achieve good sealing, so as to achieve a waterproof effect.

In an exemplary embodiment, the terminal set 3 includes a first conductive terminal 31 and a second conductive terminal 32 arranged on the same plane, and the first conductive terminal 31 and the second conductive terminal 32 are respectively configured to be integrally formed by stamping. The first conductive terminal 31 includes a left terminal 311 and a right terminal 312 spaced apart from each other, and the contact portions 33 of the left terminal 311 and the right terminal 312 are configured to protrude in opposite directions to be exposed on two opposite surfaces (upper and lower surfaces) of the tongue plate 21.

Specifically, the second conductive terminal 32 is disposed between the left terminal 311 and the right terminal 312, and the second conductive terminal 32 includes two contact portions 33 protruding toward opposite directions. The two contact portions 33 are aligned with the contact portions 33 of the left terminal 311 and the right terminal 312 respectively to be exposed on two opposite surfaces (upper and lower surfaces) of the tongue plate 21, so that a pair of contact portions 33 for electrically contacting with an inserted plug connector is formed on the two opposite surfaces of the tongue plate 21 respectively.

Specifically, the terminal set 3 further includes two hooks 35, and the two hooks 35 are respectively attached to the inner sides (the sides departing from the protruding direction of the contact portion 33) of the contact portions 33 of the left terminal 311 and the right terminal 312 and are wrapped and fixed in the tongue plate 21 of the insulating body 2.

According to the socket connector provided by the invention, the extending parts 34 which are used for being electrically connected with the electronic equipment circuit board on the conductive terminals are constructed into a structure similar to a golden finger, so that the conductive terminals can be directly electrically connected with the matching parts on the circuit board of the electronic equipment in a contact conductive manner through the extending parts 34, and the repeated plugging and unplugging of the socket connector on the electronic equipment can be realized, and the socket connector can be conveniently detached and replaced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A receptacle connector, comprising:

an insulating body;

2. The socket connector according to claim 1, wherein the insulative housing includes a base, a tongue formed by the front surface of the base protruding forward, and a board formed by the rear surface of the base protruding rearward, the contact portion of the conductive terminal is at least partially exposed on the outer surface of the tongue, and the extending portion of the conductive terminal is at least partially exposed on the outer surface of the board.

3. The receptacle connector according to claim 2, further comprising a metal housing having a receiving cavity for insertion of the plug connector, wherein the tongue is received in the receiving cavity and is configured to engage the inserted plug connector.

4. The receptacle connector according to claim 3, wherein a flange is formed to protrude from an end of the tongue plate joined to the base portion so as to surround the end of the tongue plate, and the metal shell is mounted on the flange.

5. The socket connector according to claim 4, wherein the flange is recessed with a slot, and the metal shell is provided with a retaining portion engaged with the slot, the retaining portion being retained in the slot to fix the metal shell to the flange.

6. The socket connector according to claim 2, wherein a waterproof ring is protruded from an outer peripheral surface of the base portion to surround the base portion, the waterproof ring and the base portion are formed by injection molding and are integrally formed, and the waterproof ring is made of a plastic material.

7. The receptacle connector of claim 2, wherein the terminal set includes first and second conductive terminals arranged in a same plane, the first and second conductive terminals each being configured to be integrally formed.

8. The receptacle connector according to claim 7, wherein the first conductive terminals include left and right terminals spaced apart from each other, and contact portions of the left and right terminals are respectively projected in opposite directions to be respectively exposed on opposite surfaces of the tongue plate.

9. The socket connector according to claim 8, wherein the second conductive terminal is disposed between the left and right terminals, and the second conductive terminal includes two contact portions protruding in opposite directions, the two contact portions being aligned with the contact portions of the left and right terminals to be exposed on opposite surfaces of the tongue plate.

10. The socket connector according to claim 9, wherein the terminal set further comprises two hooks respectively engaging with the inner sides of the contact portions of the left and right terminals and covering the tongue plate.