CN201570672U - audio socket connector - Google Patents

Abstract

The utility model discloses an audio socket connector, including an insulator, a plurality of signal terminal and a switch terminal. The insulating body is provided with an inserting groove and a plurality of accommodating grooves communicated with the inserting groove, and the rear part of the lower surface of the insulating body is provided with an elastic arm groove which extends backwards and is communicated with the inserting groove; the signal terminal is accommodated in the accommodating groove; the switch terminal is arranged on the insulating body and is provided with a fixing part, the middle part of the front edge of the fixing part is bent upwards and then bent and extended towards one side of the fixing part to form an elastic arm, and the tail end of the elastic arm is bent and extended to form a contact part; the elastic arm of the switch terminal is contained in the elastic arm groove, and the contact part movably extends into the insertion groove. The utility model discloses audio frequency socket connector's switch terminal is fixed in insulator lower surface rear portion department to the length of reducible audio frequency socket connector.

Description

audio socket connector

technical field

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

Background technique

The audio-visual equipment usually has an audio socket connector, which can be docked with a plug connector to realize the transmission of voice signals. Please refer to FIG. 5 , an existing audio socket connector 100 ′ is composed of an insulating body 1 ′, a plurality of signal terminals 2 ′, and a switch terminal 3 ′ in the form of a sheet clip. There are several receiving grooves (not shown in the figure) on the insulating body 1', and the signal terminals 2' are installed in the receiving grooves; the rear end of the insulating body 1 is provided with a receiving groove 11 that passes through the bottom wall and reaches the upper end surface ', the switch terminal 3' is inserted into the accommodating groove 11' and placed at the rear end of the insulating body 1'. When the plug connector is inserted, the side end of the plug connector contacts the signal terminal, and the end contacts the switch terminal 3 ′, so as to open the circuit and transmit the audio signal.

However, the above-mentioned switch terminal 3' of the existing audio socket connector 100' is inserted into the receiving groove 11' at the rear end of the insulating body 1', which will increase the length of the audio socket connector 100', which does not meet today's light, thin and short requirements. .

Utility model content

The main purpose of the present utility model is to provide a shortened audio socket connector for the defects of the above-mentioned prior art.

To achieve the above purpose, the audio socket connector of the present invention includes an insulating body, a plurality of signal terminals and a switch terminal. There is an insertion slot and a number of receiving slots connected to the insertion slot on the insulating body, and an elastic arm slot extending backwards and communicating with the insertion slot is provided on the rear part of the lower surface of the insulating body; a number of signal terminals are accommodated in the The switch terminal is installed on the insulating body. The switch terminal has a holding part. The middle part of the front edge of the holding part is bent upwards and then bent and extended to one side of the holding part to form an elastic arm. The end of the elastic arm A contact portion is formed by bending and extending; the elastic arm of the switch terminal is accommodated in the elastic arm slot, and the contact portion can movably extend into the insertion slot.

To sum up, the switch terminal of the audio socket connector of the present invention is held in the elastic arm groove at the rear of the lower surface of the insulating body, so that the length of the audio socket connector can be shortened.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the audio socket connector of the present invention.

FIG. 2 is a perspective view of the insulating body of the audio jack connector shown in FIG. 1 .

FIG. 3 is a perspective view of the audio socket connector shown in FIG. 1 .

FIG. 4 is a perspective view when each terminal of the audio socket connector shown in FIG. 1 is in contact with the audio plug connector.

Fig. 5 is a perspective view of a conventional audio socket connector.

The reference numerals of each element in the figure are explained as follows:

Audio Jack Connector 100 Insulation Body 1

Main body 10 Docking part 11

Socket 111 Socket 112

Accommodating slot 15 Elastic arm slot 151

Retaining groove 152 Guide post 18

Spacer 19 1st signal terminal 2

Second signal terminal 3 Third signal terminal 4

Contact bumps 45, 65 Holding feet 46, 55

Switch Terminals 5 Grounding Terminals 6

Card holder 7

Storage Tank 12, 13, 14, 16, 17

Holding part 21, 31, 41, 51, 61, 71

Elastic arm 22, 32, 42, 52, 62, 72

Contact part 23, 33, 43, 53, 63, 73

Welding Department 24, 34, 44, 54, 64

Detailed ways

In order to illustrate the technical content, structural features, purpose and effect of the present utility model in detail, the following examples are given to illustrate in detail with accompanying drawings.

Please refer to FIG. 1 and FIG. 2 , the audio jack connector 100 of the present invention includes an insulating body 1 , a plurality of signal terminals, a switch terminal 5 , a pair of ground terminals 6 and a holding member 7 .

The insulating housing 1 has a substantially rectangular parallelepiped main body 10 and a butt joint 11 protruding from the front end of the main body 10 . The docking portion 11 is provided with an insertion port 111 penetrating front and back, and the insertion port 111 extends backward and penetrates through the insulating body 1 to form an insertion slot 112 . The rear end of the left and right side walls of the main body 10 is respectively provided with a first receiving groove 12 and a second receiving groove 13 communicating with the insertion groove 112 forward, and a third receiving groove 14 is provided at the approximate middle of the lower surface of the main body 10 . The middle part of the front end of the third receiving groove 14 continues to extend forward to the docking portion 11 , and the front end of the third receiving groove 14 communicates with the insertion port 111 corresponding to the docking portion 11 . The rear portion of the lower surface of the main body 10 is provided with an accommodating groove 15, and the accommodating groove 15 includes a rearwardly extending elastic arm groove 151 provided at the rear portion of the lower surface of the main body 10 and the elastic arm groove 151 on the lower surface of the main body 10. Two holding slots 152 are provided on both sides, and the spring arm slot 151 communicates with the insertion slot 112 . The front part of the lower surface of the main body 10 is located on both sides of the third receiving groove 14, and a fourth receiving groove 16 communicating with the insertion groove 112 is respectively upwardly opened, and the rear end of the right side wall of the main body 10 is provided with a first receiving groove 13 inside the second receiving groove 13. Five holding tanks 17 . A plurality of guide columns 18 and a plurality of pads 19 are vertically protruded from the lower surface of the main body 10 . The guide post 18 can be inserted into a corresponding hole of the circuit board (not shown in the figure), and the spacer 19 can be in contact with the circuit board.

Please refer to FIG. 1 and FIG. 3 , the signal terminals include a first signal terminal 2 , a second signal terminal 3 and a third signal terminal 4 . The first signal terminal 2 has a vertical sheet-shaped first holding portion 21, a first elastic arm 22 formed by bending and extending from the middle of the front edge of the first holding portion 21 to one side of the second signal terminal 3, and extending from the first holding portion 21 to one side of the second signal terminal 3. A first contact portion 23 formed by bending and extending from the end of an elastic arm 22 and a first welding portion 24 formed by bending and extending leftward from the rear end of the lower edge of the first holding portion 21 .

The second signal terminal 3 has a second holding portion 31 in the shape of a vertical sheet, a second elastic arm 32 extending forward from the middle of the front edge of the second holding portion 31 and obliquely extending toward the first signal terminal 2 side, The second contact portion 33 is formed by bending from the end of the second elastic arm 32 and the second welding portion 34 is formed by bending and extending rightward from the front end of the lower edge of the second holding portion 31 .

The third signal terminal 4 has a horizontal sheet-shaped third holding portion 41, a third elastic arm 42 formed by obliquely extending forward and upward from the middle of the front edge of the third holding portion 41, and a third elastic arm 42 bent from the end of the third elastic arm 42. The extended third contact portion 43 and the third welding portion 44 are formed by bending and extending vertically downward from the rear right edge of the third holding portion 41 and then bending and extending rightward. A first contact bump 45 protrudes from the upper surface of the third contact portion 43 ; the front portions of the left and right edges of the third holding portion 41 are vertically bent upwards to form a first holding foot 46 .

Please refer to FIG. 1 , the switch terminal 5 has a fourth holding portion 51 in the shape of a horizontal sheet, and a fourth holding portion 51 is bent upward from the middle of the front edge of the fourth holding portion 51 and then extended to one side of the fourth holding portion 51 . The elastic arm 52 , the fourth contact portion 53 bent and extended from the end of the fourth elastic arm 52 , and the fourth welding portion 54 bent and extended from the middle of the rear edge of the fourth holding portion 51 . Left and right edges of the fourth holding portion 51 are vertically bent upwards to form a second holding foot 55 .

The ground terminal 6 has a vertical sheet-shaped fifth holding portion 61, a fifth elastic arm 62 formed by bending from the upper edge of the fifth holding portion 61 to the other ground terminal 6 and extending downward, and extending downward from the fifth holding portion 61. The fifth contact portion 63 formed by bending and extending the end of the elastic arm 62 and the fifth welding portion 64 formed by bending and extending from the lower end edge of the fifth holding portion 61 to the other ground terminal 6 side, the fifth contact portion 63 A second contact bump 65 is protruded.

The clamping member 7 has a sixth holding portion 71 in the shape of a vertical plate, and a sixth elastic arm formed by bending from the middle of the front edge of the sixth holding portion 71 toward the first signal terminal 2 and then bending backward. 72 and a sixth contact portion 73 bent and extended from the end of the sixth elastic arm 72 .

Please refer to FIG. 3 , when the audio socket connector 100 of the present invention is assembled, the first signal terminal 2 is accommodated in the first accommodation groove 12 , the second signal terminal 3 is accommodated in the second accommodation groove 13 , and the third signal terminal 4 is accommodated in the second accommodation groove 13 . It is accommodated in the third accommodation groove 14, the grounding terminal 6 is accommodated in the fourth accommodation groove 16, and the holding member 7 is accommodated in the fifth accommodation groove 17; the switch terminal 5 is accommodated in the accommodation groove 15, and the first switch terminal 5 The four holding parts 51 are attached to the lower surface of the main body part 10, the fourth elastic arm 52 is accommodated in the elastic arm groove 151, the fourth contact part 53 can movably extend into the insertion groove 112, and the second holding foot 54 is inserted and held Inside the groove 152 ; each welding portion ( 24 , 34 , 44 , 54 , 64 ) protrudes to the lower surface of the insulating body 1 for welding with the external circuit board.

Please refer to Fig. 4, when the audio socket connector 100 of the present utility model is docked with a matching plug connector (not marked in the figure), each terminal (2, 3, 4, 5, 6) and the holding member 7 are connected with the plug The connectors are in contact with each other, the plug connector connects the first signal terminal 2 and the switch terminal 5, thereby opening the circuit and realizing the transmission of audio signals, the grounding terminal 6 realizes the grounding function, and the holding member 7 increases when the plug connector is inserted and pulled out. Insertion force.

In summary, the switch terminal 5 of the audio socket connector 100 of the present invention is held at the rear of the lower surface of the insulating body 1, compared with the switch terminal 3' held at the rear end of the insulating body 1' in the prior art, The length of the audio socket connector 100 can be effectively shortened.

Claims (5)

1. audio socket connector, comprise an insulating body, some signal terminals and a switch terminal, the some accepting grooves that offer an inserting groove on the insulating body and be connected with inserting groove, the place, lower surface rear portion of insulating body offers an elastic arm groove that is communicated with inserting groove that extend back; Signal terminal is contained in respectively in the described accepting groove; Switch terminal is installed on the insulating body, it is characterized in that: switch terminal has a holding parts, and this holding parts leading edge middle part upwards bending extends to form an elastic arm to a lateral buckling of holding parts again, and the end bending of this elastic arm extends to form a contact site; The elastic arm of switch terminal is contained in the described elastic arm groove, and contact site stretches in the inserting groove movably.

2. audio socket connector according to claim 1 is characterized in that: the left and right lateral margin of the holding parts of described switch terminal all upwards vertically is bent to form a fixing pin; Place, described elastic arm groove both sides offers two holding slots, and the fixing pin of switch terminal inserts in the described holding slot.

3. audio socket connector according to claim 2 is characterized in that: the trailing edge middle part of the holding parts of described switch terminal extends to form a weld part forward, and this weld part extend out to the lower surface of insulating body.

4. audio socket connector according to claim 1 is characterized in that: this audio socket connector also comprises two earth terminals, and this earth terminal is contained in the described accepting groove.

5. audio socket connector according to claim 1 is characterized in that: this audio socket connector also comprises a holding part, and this holding part is contained in the described accepting groove.

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