CN202103223U - audio socket connector - Google Patents

Abstract

The utility model discloses an audio socket connector for dock with the audio plug, it includes insulator and accepts signal terminal, ground terminal and switch terminal group in insulator, the spliced eye that docks with the audio plug has been seted up in insulator's the front, has seted up the solid joint groove on its side, sets up the inserting groove that is linked together with the spliced eye on its top surface, ground terminal includes the basal portion, from the outside fixed part that extends the formation in basal portion both sides, extend the pressing part that forms and extend the contact site that forms to the insulator top surface from the basal portion to the insulator bottom surface from the basal portion, the fixed part fixing in the solid joint inslot, the contact site passes the inserting groove and stretches into the spliced eye, press part hang in on insulator's the bottom surface. Compared with the prior art, the utility model discloses an earth terminal has the fixed part of different sides, cooperates the solid joint groove on the insulator for the stable fixing of earth terminal is on insulator, and the contact is stable.

Description

audio socket connector

technical field

The utility model relates to a connector, in particular to an audio socket connector.

Background technique

The connector is electrically connected to the circuit board in the product, and then a plug-in hole is used for a plug-in connector to achieve signal connection. In recent years, the information, communication, optoelectronics, and consumer electronics industries have developed rapidly. Various products are mostly There are multimedia audio and video functions, and the requirements for audio connectors are getting higher and higher.

Existing audio socket connectors usually include an insulating body and a plurality of conductive terminals, the conductive terminals include signal terminals, grounding terminals and switch terminal groups, the insulating body is provided with insertion holes, through the insertion holes Insert the audio plug of the earphone into the audio socket connector to listen to music. The grounding terminal includes a base, a contact portion extending outward along the base, and a pressing portion. The insulating body is provided with a terminal groove that communicates with the insertion hole. The base of the grounding terminal is directly inserted into the terminal groove, and the contact portion is connected to the insertion socket The audio socket of the connecting hole is in contact, and the pressing part is in contact with the circuit board. In the audio socket connector, the grounding terminal not only needs to complete the grounding function, but sometimes also adds an antenna function. At this time, the grounding terminal needs to have low impedance and contact Stable, in order to reduce the impedance of the ground terminal, existing technicians tend to increase the area of the ground terminal of the audio socket connector, but while increasing the area of the ground terminal, it also makes it difficult to fix the ground terminal, resulting in unstable contact .

Therefore, there is a need to provide an audio connector capable of overcoming the aforementioned drawbacks.

Utility model content

The purpose of this utility model is to provide an audio socket connector with stable contact to solve the above-mentioned shortcomings of the prior art.

In order to achieve the above purpose, the audio socket connector provided by the utility model is electrically connected to the circuit board and docked with the audio plug. It includes an insulating body and signal terminals, grounding terminals and switch terminal groups accommodated in the insulating body. The front of the insulating body is provided with an insertion hole matched with the audio plug, and it is characterized in that, the side of the insulating body is provided with a fixing groove, and the top surface of the insulating body is provided with the plug-in hole. The hole is connected to the socket slot, the ground terminal includes a base, a fixing part extending outward from both sides of the base, a pressing part extending from the base to the bottom surface of the insulating body, and a pressing part extending from the base to the bottom surface of the insulating body. The contact part formed by extending the top surface of the insulating body, the fixing part of the ground terminal is held in the fixing groove, the contact part of the ground terminal passes through the insertion groove and extends into the insertion hole, so The pressing portion of the ground terminal is suspended from the bottom surface of the insulating body.

Compared with the prior art, the ground terminal of the audio socket connector of the present utility model has fixed parts on different sides, and a fixing groove corresponding to the fixing part is opened on the insulating body, and the cooperation between the fixing part and the fixing groove makes The ground terminal is stably fixed on the insulating body, thereby ensuring stable contact between the contact portion of the ground terminal and the audio plug, and between the pressing portion of the ground terminal and the circuit board.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the audio socket connector of the present invention.

Fig. 2 is a structural schematic diagram of another angle of the audio socket connector of the present invention.

Fig. 3 is a structural schematic diagram of the insulating body of the audio socket connector of the present invention.

FIG. 4 is a structural schematic diagram of another angle of the insulating body of the audio socket connector of the present invention.

FIG. 5 is a structural schematic diagram of the grounding terminal of the audio socket connector of the present invention.

FIG. 6 is a structural schematic diagram of the switch terminal group of the audio socket connector of the present invention.

Fig. 7 is a schematic diagram of the connection between the audio socket connector of the present invention, the audio plug and the circuit board.

FIG. 8 is a schematic diagram of the connection between the conductive terminal and the audio plug of the audio socket connector of the present invention.

The reference signs in the figure are explained as follows:

Audio socket connector 100 Audio socket 101

Circuit board 102

Insulation body 10 Socket hole 11

Fixing rib 12 Fixing groove 13

Socket slot 14 terminal slot 15

Connecting groove 16 Holding groove 17

Locating slot 18

Ground Terminal 20 Base 21

Pressure part 22 Contact part 23

Fixed part 24 Pressure point 25

Spike 26

Signal terminal 30 First signal terminal 31

Second signal terminal 32 Third signal terminal 33

Switch terminal group 40 Contact terminal 41

Base 411 Pressing part 412

Contact part 413 Positioning part 414

Connection terminal 42 base 421

Pressure part 422 Connection part 423

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Referring to Figures 1 to 8, the audio socket connector 100 of the present invention is connected to the circuit board 102 and docked with the audio plug 101, which includes an insulating body 10 and a conductive terminal contained in the insulating body 10, the conductive terminal It includes a signal terminal 30 , a ground terminal 20 and a switch terminal group 40 .

Referring to Fig. 3 and Fig. 4, the insulating body 10 is a cube, which includes a front, a rear, a top surface, a bottom surface and two sides, and the front of the insulating body 10 is provided with an insertion hole matched with the audio plug 101 11. The bottom surface of the insulating body 10 is provided with a plurality of terminal grooves 15 communicating with the insertion holes 11, and the sides of the insulating body 10 are respectively provided with fixing grooves 13 at positions close to the front and rear, and The top surface of the insulating body 10 is provided with an insertion slot 14 communicating with the insertion hole 11 , and the top surface of the insulating body 10 is also provided with a positioning slot 18 communicating with the terminal slot 15 ; The rear surface of the insulating body 10 is provided with a holding groove 17 and a connecting groove 16 communicating with the terminal groove 15 respectively at positions close to both sides. Preferably, the two sides of the insulating body 10 are symmetrically provided with fixing ribs 12, so that the fixing of the audio socket connection 100 of the present utility model is convenient and stable, and avoids the problem that the product is deflected by an external force. On the other hand, the fixing The ribs 12 reinforce the insulating body and increase the service life of the product. Wherein, there are four fixing ribs 12 .

Referring to FIG. 5 , the ground terminal 20 includes a base 21 , a fixing portion 24 extending outward from both sides of the base 21 , a pressing portion 22 extending from the base 21 to the bottom surface of the insulating housing 10 , and a base extending from the base 21 . 21 extends toward the contact portion 23 formed on the top surface of the insulating housing 10 . Referring to FIG. 1 , the fixing portion 24 of the ground terminal 20 corresponds to the fixing groove 13 and is held in the fixing groove 13 , and the contact portion 23 of the ground terminal 20 passes through the insertion groove 14 And extend into the insertion hole 11 , the pressing portion 22 of the ground terminal 20 is suspended on the bottom surface of the insulating body 10 . 7 and 8, after the utility model is connected to the circuit board 102, the pressing part 22 of the ground terminal 20 is in conflict with the circuit board 102, and after the audio plug 101 is inserted into the insertion hole 11, the ground terminal The contact portion 23 of 20 is in contact with the audio plug 101 . Wherein, referring to FIG. 2 and FIG. 5 , the pressing portion 22 of the ground terminal 20 is provided with a raised pressing point 25 which is in contact with the circuit board 102 .

Preferably, referring to FIG. 1 and FIG. 5 , the fixing portion 24 of the ground terminal 20 extends outward to form a protrusion 26 , and the protrusion 26 makes the fixing portion 24 of the ground terminal 20 more firmly held in the fixing groove 13 .

Referring to FIG. 8, the signal terminal 30 includes a first signal terminal 31, a second signal terminal 32 and a third signal terminal 33, wherein the first signal terminal 31, the second signal terminal 32 and the third signal terminal 33 have the same structure, Each includes a base, a contact portion extending from the base toward the direction of the audio plug, and a pressing portion extending from the base toward the bottom surface of the insulating body 10 , which will not be described in detail here. Referring to FIG. 2, the first signal terminal 31, the second signal terminal 32 and the third signal terminal 33 are all inserted into the terminal groove 15 of the insulating body 10 and accommodated in the insulating body 10. Referring to FIG. 7 and FIG. 8, the utility model After being connected to the circuit board 102 , the pressing portion of the signal terminal 30 is in contact with the circuit board 102 , and after the audio plug 101 is inserted into the socket hole 11 , the contact portion of the signal terminal 30 is in contact with the audio plug 101 .

4 and 6, the switch terminal set 40 includes a contact terminal 41 and a connection terminal 42, the contact terminal 41 is held in the terminal groove 15, and the connection terminal 42 is inserted from the back of the insulating body 10 The insulating body 10, the contact terminal 41 includes a base 411, a contact portion 413 extending from the base 411 toward the audio plug 101, and a pressing portion 412 extending from the base 411 to the bottom surface of the insulating body 10; The connection terminal 42 includes a base portion 421, a fixing portion 424 extending from one side of the base portion 421 toward the holding groove 17, a pressing portion 422 extending from one side of the base portion 421 toward the bottom surface of the insulating housing 10, and The other side of the base portion 421 extends toward the connecting groove 16 to form a connecting portion 423 , the fixed portion 424 is held in the holding groove 17 , and the connecting portion 423 passes through the connection between the connecting groove 16 and the contact terminal 41 The contact portion 413 contacts and is located inside the contact portion 413 of the contact terminal 41 . Referring to Fig. 7 and Fig. 8, after the utility model is connected with the circuit board 102, the pressing part 412 of the contact terminal 41 and the pressing part 422 of the connecting terminal 42 are all in conflict with the circuit board 102, and the audio plug 101 is inserted into the socket After the hole 11, the contact portion 413 of the contact terminal 41 collides with the audio plug 101, and is bent outward under the extrusion of the audio plug 101. At this time, the connection between the contact portion 413 of the contact terminal 41 and the connection terminal 42 The terminal 423 is separated, so that the switch terminal group 40 realizes the switching function.

Preferably, the base portion 411 of the contact terminal 41 extends toward the top surface of the insulating housing 10 to form a positioning portion 414 , and the positioning portion 414 is fixed in the positioning groove 18 .

Preferably, a raised contact point 425 is provided on the connection end 423 of the connection terminal 42 , and the contact point 425 is in conflict with the contact portion 413 of the contact terminal 41 .

Referring to Fig. 2, Fig. 7 and Fig. 8, the grounding terminal 20, the signal terminal 30, the contact terminal 41 of the switch terminal group 40 and the pressing parts of the connecting terminal 42 are all arranged in parallel on the bottom surface of the insulating body 10, and the insulating body 10 A plurality of grooves for accommodating the pressing portion are provided on the bottom surface of the audio socket connector 100 of the present invention, so that the layout of the audio socket connector 100 of the present invention is compact and occupies a small space.

Compared with the traditional audio socket connector, the utility model audio socket connector 100 has the following advantages: (1) The ground terminal 20 of the utility model audio socket connector 100 has fixed parts 24 on different sides, and the side surface of the insulating body 10 Fixing grooves 13 corresponding to the above-mentioned fixing parts 24 are opened at positions close to the front and rear respectively. By holding the fixing parts 24 in the fixing grooves 13, the grounding terminal 20 is stably fixed on the insulating body 10, thereby ensuring grounding. The contact between the contact portion 23 of the terminal 20 and the audio plug 101 , and the contact between the pressing portion 22 of the ground terminal 20 and the circuit board 102 are stable. (2) The conductive terminals in the audio socket connector 100 of the present invention are respectively inserted into the insulating body 10 from different sides of the insulating body 10, so that the structure of the present invention is compact and reasonable, and the product occupies a small space. (3) The two sides of the insulating body 10 of the audio socket connector 100 of the present utility model are symmetrically provided with fixing ribs 12. This rib structure makes the fixing of the audio socket connector 100 of the present utility model convenient and stable. The symmetrical arrangement makes the audio socket connector 100 receive the same external force in fixing, avoiding the problem of product deflection. On the other hand, the fixing rib 12 plays a role in reinforcing the insulating body and improving the service life of the product.

Claims (8)

1. audio socket connector; Be electrically connected with circuit board and dock with audio jack; It comprises insulating body and is contained in signal terminal, earth terminal and the switch terminal set in the insulating body; The front of said insulating body offers the spliced eye that matches with said audio jack; It is characterized in that: offer affixed groove on the side of said insulating body; Offer the inserting groove that is connected with said spliced eye on the end face of said insulating body, said earth terminal comprises base portion, the fixed part that forms of stretching out from the both sides of base portion, the pressure section that extends to form to the bottom surface of said insulating body from base portion and the contact site that extends to form to the insulating body end face from base portion, and the fixed part of said earth terminal is immobilizated in the said affixed groove; The contact site of said earth terminal passes said inserting groove and stretches into said spliced eye, and the pressure section of said earth terminal is suspended from the bottom surface of said insulating body.

2. audio socket connector as claimed in claim 1 is characterized in that: the fixed part of the said earth terminal formation bur that stretches out.

3. audio socket connector as claimed in claim 1 is characterized in that: the pressure section of said earth terminal is provided with compressing a little of protuberance and inconsistent with circuit board.

4. audio socket connector as claimed in claim 1 is characterized in that: be arranged with fixing rib on the two sides of said insulating body.

5. audio socket connector as claimed in claim 1 is characterized in that: offer the terminal groove that a plurality of and said spliced eye is connected on the bottom surface of said insulating body, said signal terminal is immobilizated in the said terminal groove.

6. audio socket connector as claimed in claim 1; It is characterized in that: said switch terminal set comprises contact terminal and splicing ear; Said contact terminal is immobilizated in the said terminal groove; Said splicing ear inserts said insulating body from the back of said insulating body; Said contact terminal comprises base portion, the contact site that extends to the audio jack direction from base portion and the pressure section that extends to form to the bottom surface of said insulating body from base portion; Said splicing ear comprises base portion, stretches the Fixed Division of formation, the pressure section that extends to form from the bottom surface of the said insulating body of a side direction of base portion from an epitaxial lateral overgrowth of base portion; And the connecting portion that extends to form to the pressure section of said contact terminal from the opposite side of base portion, the connecting portion of said splicing ear and the contact site of said contact terminal are inconsistent and be positioned at the inboard of the contact site of said contact terminal.

7. audio socket connector as claimed in claim 6 is characterized in that: the connecting portion of said splicing ear is provided with the contact point of protuberance, and the contact site of said contact point and said contact terminal is inconsistent.

8. audio socket connector as claimed in claim 6; It is characterized in that: the base portion of said contact terminal extends to form the location division to the insulating body end face; Offer the location notch that is connected with said terminal groove on the end face of said insulating body, said location division is immobilizated in the said location notch.

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