CN107425330B

CN107425330B - Socket connector

Info

Publication number: CN107425330B
Application number: CN201710636211.8A
Authority: CN
Inventors: 李栋; 陈高; 成波
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2017-07-28
Filing date: 2017-07-28
Publication date: 2023-01-17
Anticipated expiration: 2037-07-28
Also published as: CN107425330A

Abstract

The invention discloses a socket connector for plugging a plug, which comprises: the connector comprises an insulating body and a connecting terminal fixed on the insulating body, wherein the insulating body is provided with an inserting cavity and an accommodating groove communicated with the inserting cavity, the front side of the inserting cavity is provided with an inserting hole, and the connecting terminal is provided with a connecting part fixed in the accommodating groove of the insulating body and a connecting pin extending out of the insulating body; and the connecting terminal connected with the circuit board and the conductive terminal contacted with the plug are separately arranged, and the plug drives the sliding block mechanism to drive the conductive terminal to move, so that the conductive terminal and the connecting terminal are electrically conducted with each other.

Description

Socket connector

Technical Field

The present invention relates to a socket connector, and more particularly, to a signal transmission socket connector.

Background

The connector has the advantages of wide application in the electronic field, reliable connection and convenient manufacture, for example, the audio connector becomes an essential connection as media sound transmission in the field of electronic products. Please refer to chinese patent No. 102148458 issued on 27/5/2015, which discloses an audio connector having an insulating body, five kinds of conductive terminals mounted on the insulating body, and a metal cover body matching with the insulating body, wherein the insulating body is provided with a plurality of receiving slots and receiving cavities for receiving the conductive terminals, the receiving cavities are provided with front end sockets exposed to the outside to receive plugs, the receiving slots are communicated with the receiving cavities, the conductive terminals are mounted in the receiving slots upward from the lower surface, the conductive terminals are provided with contact portions protruding into the receiving cavities to be in butt joint with the plugs, and welding portions extending outward beyond the lower surface, and the welding portions extend outward beyond the metal cover body to be welded with a circuit board.

In order to transmit high-frequency signals by an electronic product, the audio connector needs to design a plurality of conductive terminals, such as a pair of conductive terminals for transmitting left and right sound channels, a power terminal and a ground terminal, and a detection terminal needs to be arranged if a detection plug is inserted or pulled out. However, since the metal fingers of the circuit board are fixed, the solder feet of the conductive terminals soldered with the metal fingers are also fixed, and in order to improve the elastic contact holding force of the conductive terminals, the contact portions of the conductive terminals extend from the holding portions, and a longer elastic arm is required, thereby increasing the space occupied by the conductive terminals in the insulating body.

In view of the above-mentioned deficiencies of the prior art, there is a need for an improved receptacle connector.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: a receptacle connector having a short structure is provided.

In order to solve the technical problem, the technical scheme of the invention is as follows: a receptacle connector for receiving a plug, the receptacle connector comprising: the connector comprises an insulating body and a connecting terminal fixedly held on the insulating body, wherein the insulating body is provided with an inserting cavity and an accommodating groove communicated with the inserting cavity, the front side of the inserting cavity is provided with an inserting opening, and the connecting terminal is provided with a connecting part fixedly held in the accommodating groove of the insulating body and a connecting pin extending out of the insulating body; the socket connector further comprises a sliding block mechanism fixed on the insulating body, the sliding block mechanism comprises a sliding block, a conductive terminal fixed on the sliding block, a supporting rod pivoted on the insulating body and an elastic element connected to the sliding block, the conductive terminal is provided with a fixing part fixed on the sliding block, a contact part protruding from one end of the fixing part towards the inserting cavity side and an abutting part extending from the other end of the fixing part, the supporting rod is provided with a pressed part with one end protruding into the inserting cavity, a pushing part with the other end positioned at the rear side of the sliding block and a pivoting center positioned in the middle; when the slide block mechanism is at the initial position, the abutting part and the connecting part of the corresponding connecting terminal are staggered; when the plug is inserted into the plugging cavity, the pushed part of the support rod of the sliding block structure is pushed, the support rod takes the pivot center as a rotating fulcrum, the pushing part pushes the sliding block and drives the conductive terminal to move, the elastic element generates elastic deformation, and the abutting part of the conductive terminal is electrically connected with the connecting part of the connecting terminal correspondingly.

The invention is further improved as follows: the pivot center is provided with a rotating shaft arranged on the insulating body, and the support rod takes the rotating shaft as a rotating fulcrum.

The invention is further improved as follows: the supporting rod is further provided with a supporting sheet bent towards one side and a through hole positioned on the supporting sheet, and the rotating shaft penetrates through the through hole.

The invention is further improved as follows: the diameter of the upper half section of the rotating shaft is smaller than that of the lower half section of the rotating shaft, the through hole of the supporting sheet accommodates the rotating shaft end with a small diameter, and the diameter of the through hole is smaller than that of the rotating shaft with a large diameter.

The invention is further improved as follows: the insulation body is provided with a through hole, and the rotating shaft is fixedly held in the through hole.

The invention is further improved as follows: the elastic element is a spiral spring, one end of the spiral spring is arranged on the insulating body, and the other end of the spiral spring is arranged on the sliding block.

The invention is further improved as follows: when the plug is inserted, the elastic element is elastically deformed into a stretched state.

The invention is further improved as follows: the conductive terminals comprise a first conductive terminal and a second conductive terminal, the first conductive terminal is provided with a first terminal fixing part fixed on the sliding block, a first terminal contact part protruding from one end of the first terminal fixing part to the side of the inserting cavity and a first terminal abutting part extending from the other end of the first terminal fixing part; the second conductive terminal has a second terminal holding part fixed on the slide block, a second terminal contact part protruding from one end of the second terminal holding part to the side of the plug cavity and a second terminal butt part extending from the other end, the connecting terminals include a first connecting terminal and a second connecting terminal, the first connecting terminal has a first connecting part fixed in the accommodating groove of the insulating body and a first connecting pin extending out of the insulating body, the second connecting terminal has a second connecting part fixed in the accommodating groove of the insulating body and a second connecting pin extending out of the insulating body, the first and second terminal butt parts at initial positions are staggered with the first and second connecting parts respectively and are not butted, and when the plug is inserted, the first and second terminal butt parts are electrically connected with the corresponding first and second connecting parts respectively.

The invention is further improved as follows: the socket connector further comprises a first signal terminal and a second signal terminal which are arranged along the front and the back, wherein the first signal terminal is provided with a first fixing part fixed on the insulating body, a first contact part protruding into the accommodating cavity from one end of the first fixing part and a first welding part extending out of the insulating body, and the second signal terminal is provided with a second fixing part fixed on the insulating body, a second contact part protruding into the accommodating cavity from one end of the second fixing part and a second welding part extending out of the insulating body.

The invention is further improved as follows: the contact part and the contact part of the conductive terminal respectively extend to two sides of the fixing part in a protruding way.

Compared with the prior art, the invention has at least the following beneficial effects: the connecting terminals connected with the circuit board and the conductive terminals contacted with the plug are separately arranged, and the plug drives the sliding block mechanism to drive the conductive terminals to move, so that the conductive terminals and the connecting terminals are electrically conducted with each other.

Drawings

FIG. 1 is a perspective view of a receptacle connector of the present invention;

FIG. 2 is a schematic view of the receptacle connector of FIG. 1 from another angle;

FIG. 3 is an exploded perspective view of FIG. 1;

FIG. 4 is a perspective view of the slider mechanism shown in FIG. 1;

FIG. 5 is an exploded schematic view of the slider mechanism shown in FIG. 4;

FIG. 6 is a perspective view of the plug of FIG. 1 inserted into a receptacle connector;

fig. 7 is a schematic view of the receptacle connector of fig. 1 prior to insertion of a plug;

fig. 8 is a schematic view of the receptacle connector shown in fig. 1 after insertion of a plug.

Detailed Description

The invention is further described below with reference to the figures and examples.

As shown in fig. 1, 2 and 5, a socket connector 100 according to the present invention is mated with a plug 200, and the socket connector 100 includes: the connector comprises an insulating body 1, a plurality of connecting terminals 2 fixed on the insulating body, a plurality of signal terminals 3 and a slider mechanism 4 accommodated in the insulating body, wherein the slider mechanism 4 moves in the front-back direction (with the insertion side as the front) relative to the insulating body 1.

Referring to fig. 3 and 4, the insulation body 1 has a plugging cavity 11 and a plurality of receiving slots 12 communicated with the plugging cavity, an insertion opening 13 is disposed at the front side of the plugging cavity 11, and the plug 200 is inserted into the plugging cavity 11 from the insertion opening 13. The insulating body is further provided with an accommodating cavity 15 communicated with the plugging cavity, and the accommodating cavity can accommodate the sliding block mechanism 4.

The connecting terminal 2 is provided with a connecting part 21 fixed in the containing groove 12 of the insulating body 1 and a connecting pin 22 extending out of the insulating body 1; in the present embodiment, the connection terminal 2 includes a first connection terminal 23 and a second connection terminal 24 arranged along the front-back direction, the first connection terminal 23 has a first connection portion 230 held in the receiving slot 12 of the insulating housing 1 and a first connection leg 231 extending out of the insulating housing, the second connection terminal 24 has a second connection portion 240 held in the receiving slot 12 of the insulating housing 1 and a second connection leg 241 extending out of the insulating housing, and the first connection portion and the second connection portion are opposite to the plugging cavity 11.

The signal terminal 3 is arranged in the containing groove 12 of the insulating body and comprises a first signal terminal 31 and a second signal terminal 32 which are arranged along the front and the back, wherein the first signal terminal 31 is arranged adjacent to the inserting opening 13 and is used for realizing the terminals for transmitting left and right sound channel signals. The first signal terminal 31 has a first holding portion 310 fixed on the insulating body 1, a first contact portion 311 protruding into the plug cavity 11 from one end of the first holding portion, and a first soldering portion 312 extending out of the insulating body 1, and the second signal terminal 32 has a second holding portion 320 fixed on the insulating body 1, a second contact portion 321 protruding into the plug cavity 11 from one end of the second holding portion, and a second soldering portion 322 extending out of the insulating body. The first contact portion 311 of the first signal terminal 31 is bent from the upper side of the first holding portion 310, and the second contact portion 321 of the second signal terminal 32 is bent from the front side of the first holding portion 320 toward the rear side, so as to increase the elasticity of the contact portion and realize reliable contact with the plug.

Referring to fig. 4 and 5, the slider mechanism 4 can move back and forth in the receiving cavity 15, the slider mechanism 4 includes a slider 41 located in the receiving cavity, a conductive terminal 42 fixed on the slider, a support rod 43 pivoted on the insulating body 1, and an elastic element 44 connected to the slider, the conductive terminal 42 has a fixing portion 45 fixed on the slider, a contact portion 46 protruding from one end of the fixing portion toward the insertion cavity 11 side, and an abutting portion 47 extending from the other end, the contact portion 46 and the abutting portion 47 respectively protrude from two sides of the fixing portion 45; the strut 43 has a pressed portion 430 with one end projecting into the plugging chamber 11, a pushing portion 431 with the other end located at the rear side of the slider 41, and a pivot center 432 located in the middle. In the present embodiment, the elastic element 44 is a coil spring, one end of the elastic element is arranged on the insulating body 1, the other end is arranged on the sliding block 41, and in the initial position, the elastic element 44 is in a free state, that is, after the plug is inserted, the elastic element 44 is deformed so as to return the sliding block 41 to the original position when the plug 200 is withdrawn.

Referring to fig. 6 to 8, before the plug is inserted, when the slider mechanism 4 is at the initial position, the abutting portions 47 of the conductive terminals 42 and the connecting portions 22 of the corresponding connection terminals 2 are staggered; when the plug is inserted into the plugging cavity, the plug pushes the extruded portion 430 of the supporting rod 43 of the slider structure 4, the supporting rod 43 uses the pivot center 432 as a rotation pivot, the pushing portion 431 pushes the slider 41 to move, the elastic element 44 elastically deforms, the contact portion 46 can be elastically and electrically connected with the plug 200, the slider 41 drives the conductive terminal 42 to move, and the abutting portion 47 is electrically connected with the connecting portion 21 of the connecting terminal, which is beneficial to reducing the space occupied by the terminal in the insulating body 1 compared with the existing connector, and realizes miniaturization requirement. In the present embodiment, the deformation of the elastic element means a state in which the spring is stretched so that the abutting portion 47 of the conductive terminal 42 is electrically connected to the connecting portion 22 of the connection terminal 2 correspondingly, so that when the plug 200 is withdrawn, the slider 41 is returned to the original position to separate the abutting portion 47 from the connecting portion 22.

The conductive terminal 42 includes a first and a second conductive terminal 420,421, the first conductive terminal 420 has a first terminal holding portion 422 held on the slider 41, a first terminal contact portion 423 protruding from one end of the first terminal holding portion 422 toward the insertion cavity 11, and a first terminal abutting portion 424 extending from the other end; the second conductive terminal 421 has a second terminal holding portion 425 fixed on the slider 41, a second terminal contact portion 426 protruding from one end of the second terminal holding portion toward the insertion cavity 11, and a second terminal contact portion 427 extending from the other end, wherein the first and second

terminal contact portions

424 and 427 are staggered from and not abutted against the first and second connection portions 230 and 240, respectively, and after the plug 200 is inserted, the first and second terminal contact portions are electrically connected with the corresponding first and second connection portions, respectively.

In the present embodiment, when there are two conductive terminals, the holding portion 45 of the conductive terminal 42 includes the first and second terminal holding portions 422 and 425, the contact portion 46 includes the first and second terminal contact portions 423 and 426, and the abutting portion 47 includes the first and second terminal abutting

portions

424 and 427. When the plug is inserted, the contact portion 46 can protrude out of the insertion opening after the pushing slider 41 moves, so that the plug can be conveniently connected with the contact portion of the standard plug, and the miniaturization requirement of the socket connector is further met. In this embodiment, the pivot center 432 includes a rotating shaft 433 installed on the insulating housing 1, a supporting piece 434 located at one side of the supporting rod 43 and a through hole 435 located on the supporting piece for the rotating shaft 433 to pass through, the insulating housing 1 has a through hole 14, the rotating shaft 433 is fixed in the through hole 14, so the supporting rod 43 uses the rotating shaft 433 as a rotation pivot, and the supporting piece 434 is vertically bent in a lateral direction, so as to fix the rotating shaft. The diameter of the upper half section of the rotating shaft is smaller than that of the lower half section, the through hole 435 of the support sheet 434 accommodates the rotating shaft 433 with a small diameter, and the diameter of the through hole 435 is smaller than that of the rotating shaft with a large diameter.

According to the invention, the connecting terminal 2 connected with the circuit board and the conductive terminal 42 contacted with the plug are separately arranged, and the conductive terminal 42 is arranged on the sliding block 41, when the plug is inserted, the plug 200 extrudes the sliding block mechanism 4 and drives the conductive terminal to move, so that the conductive terminal 42 of the sliding block mechanism 4 is electrically conducted with the connecting terminal 2, compared with the existing connector, the invention not only keeps the conductive terminal 42 to have certain elasticity, realizes better contact, but also is beneficial to reducing the space occupied by the terminal on the insulating body 1, and realizes short and small requirements.

Of course, the elastic element 44 can be elastically deformed to be in a compressed state, but the elastic element is disposed at an end opposite to the slider, and the description thereof is omitted.

Claims

1. A receptacle connector for receiving a plug, the receptacle connector comprising: the connector comprises an insulating body and a connecting terminal fixed on the insulating body, wherein the insulating body is provided with an inserting cavity and an accommodating groove communicated with the inserting cavity, the front side of the inserting cavity is provided with an inserting hole, and the connecting terminal is provided with a connecting part fixed in the accommodating groove of the insulating body and a connecting pin extending out of the insulating body; the method is characterized in that: the socket connector further comprises a sliding block mechanism fixed on the insulating body, the sliding block mechanism comprises a sliding block, a conductive terminal fixed on the sliding block, a supporting rod pivoted on the insulating body and an elastic element connected to the sliding block, the conductive terminal is provided with a fixing part fixed on the sliding block, a contact part protruding from one end of the fixing part towards the inserting cavity side and an abutting part extending from the other end of the fixing part, the supporting rod is provided with a pressed part with one end protruding into the inserting cavity, a pushing part with the other end positioned at the rear side of the sliding block and a pivoting center positioned in the middle; when the slide block mechanism is at the initial position, the abutting part and the connecting part of the corresponding connecting terminal are staggered; when the plug is inserted into the plugging cavity, the pushed part of the support rod of the sliding block structure is pushed, the support rod takes the pivoting center as a rotating fulcrum, the pushing part pushes the sliding block and drives the conductive terminal to move, the elastic element generates elastic deformation, and the abutting part of the conductive terminal is correspondingly and electrically connected with the connecting part of the connecting terminal; the pivot center is provided with a rotating shaft arranged on the insulating body, and the support rod takes the rotating shaft as a rotating fulcrum; one end of the elastic element is arranged on the insulating body, and the other end of the elastic element is arranged on the sliding block.

2. The receptacle connector of claim 1, wherein: the supporting rod is also provided with a supporting sheet bent towards one side and a through hole positioned on the supporting sheet, and the rotating shaft penetrates through the through hole.

3. The receptacle connector of claim 2, wherein: the diameter of the upper half section of the rotating shaft is smaller than that of the lower half section of the rotating shaft, the through hole of the supporting sheet accommodates the rotating shaft end with a small diameter, and the diameter of the through hole is smaller than that of the rotating shaft with a large diameter.

4. The receptacle connector of claim 3, wherein: the insulation body is provided with a through hole, and the rotating shaft is fixedly held in the through hole.

5. The receptacle connector of claim 1, wherein: when the plug is inserted, the elastic element is elastically deformed into a stretched state.

6. The receptacle connector according to any one of claims 1 to 5, wherein: the conductive terminal comprises a first conductive terminal and a second conductive terminal, wherein the first conductive terminal is provided with a first terminal fixing part fixed on the sliding block, a first terminal contact part protruding from one end of the first terminal fixing part to the side of the inserting cavity and a first terminal abutting part extending from the other end of the first terminal fixing part; the second conductive terminal has a second terminal holding portion fixed on the slide block, a second terminal contact portion protruding from one end of the second terminal holding portion toward the insertion cavity side, and a second terminal abutting portion extending from the other end, the connecting terminal includes a first connecting terminal and a second connecting terminal, the first connecting terminal has a first connecting portion fixed in the accommodating groove of the insulating body and a first connecting pin extending out of the insulating body, the second connecting terminal has a second connecting portion fixed in the accommodating groove of the insulating body and a second connecting pin extending out of the insulating body, the first and second terminal abutting portions are staggered and do not abut against the first and second connecting portions at initial positions, and when the plug is inserted, the first and second terminal abutting portions are electrically connected with the corresponding first and second connecting portions respectively.

7. The receptacle connector of claim 1, wherein: the socket connector further comprises a first signal terminal and a second signal terminal which are arranged along the front and the back, wherein the first signal terminal is provided with a first fixing part fixed on the insulating body, a first contact part which extends into the plug-in cavity from one end of the first fixing part and a first welding part which extends out of the insulating body, and the second signal terminal is provided with a second fixing part fixed on the insulating body, a second contact part which extends into the plug-in cavity from one end of the second fixing part and a second welding part which extends out of the insulating body.

8. The receptacle connector of claim 1, wherein: the contact part and the contact part of the conductive terminal are respectively protruded on two sides of the fixing part.