CN204333355U - Modified Audio Jack - Google Patents

Abstract

The utility model discloses an improvement type audio socket, it includes: the insulating body comprises an insulating seat and a bottom cover arranged at the lower end of the insulating seat, wherein the upper end of the insulating seat is downwards provided with a jack, a plurality of terminal grooves are arranged in the insulating seat, and the terminal grooves are communicated with the jack; a terminal group including a microphone terminal, a ground terminal, a left channel terminal, a right channel terminal and a switch terminal, which are mounted in a terminal groove of the insulating body; a metal shell fixedly wrapped on the periphery of the insulating body; any one of the microphone terminal and the grounding terminal is provided with an elastic contact arm, a hole is formed in the position, corresponding to the elastic contact arm, of the insulating seat, the elastic contact arm penetrates through the hole to be exposed out of the insulating seat and is in close contact with the inner wall of the metal shell, and therefore the anti-EMI function is enhanced. The utility model discloses simple structure, stability have stronger anti EMI function to improve communication quality, and microphone terminal and ground terminal function interchangeable, it is more convenient to use.

Description

Modified Audio Jack

Technical field:

The utility model relates to the field of connector products, in particular to an improved audio socket with strong anti-EMI function.

Background technique:

Connectors are the main adapters for electrical signal transmission in various electronic products. Among them, audio connectors specially provided for audio signal output/input are widely used in various audio-visual products, especially near In recent years, with the rapid development of various portable electronic products, such as mobile phones, personal digital assistants (PDAs), MP3 players, voice recorders, notebook computers, Apple iPods, etc., are widely used in various sizes of audio interface (audio socket).

Existing audio sockets generally include an insulating base, a terminal set fixedly installed in the insulating base, and a metal shell arranged on the periphery of the insulating base, wherein the terminal set includes terminals with different functions. However, the current audio sockets all have serious electromagnetic interference (EMI), which will affect the communication quality of the entire audio socket.

In view of this, the inventor proposes the following technical solutions.

Utility model content:

The purpose of the utility model is to overcome the deficiencies of the prior art and provide an improved audio socket with a strong anti-EMI function.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the improved audio socket includes: an insulating body, which includes an insulating seat and a bottom cover installed on the lower end of the insulating seat, and the insulating seat is downwards at its upper end A jack is provided, and several terminal slots are arranged in the insulating base, and the terminal slots are connected to the jack; a terminal group includes a microphone terminal, a ground terminal, a left channel terminal, a right channel terminal, and a Audio channel terminal and switch terminal; a metal shell, which is fixed and covered on the periphery of the insulating body; any one of the microphone terminal and the ground terminal is provided with an elastic contact arm, and the insulating seat is provided with a position corresponding to the elastic contact arm. The hole position, through which the elastic contact arm is exposed on the outside of the insulating seat, is in close contact with the inner wall of the metal casing, so as to enhance the anti-EMI function.

Furthermore, in the above technical solution, the microphone terminal includes: a first body part, a first contact part bent and formed on the upper end of the first body part, and a first contact part formed vertically extending downward along the first body part. For the welding leg, the middle part of the first main body part is stamped with the above-mentioned elastic contact arm, and the elastic contact arm protrudes outside the first main body part.

Furthermore, in the above technical solution, the connection between the first contact portion and the first main body is provided with reinforcing ribs; both sides of the first main body are stamped with cards protruding forward. the

Furthermore, in the above technical solution, the ground terminal includes: a second main body, a second contact portion bent and formed on the upper end of the second main body, and a second contact portion formed vertically extending downward along the second main body. For the welding leg, the middle part of the second main body is stamped with the elastic contact arm, and the elastic contact arm protrudes outside the second main body.

Furthermore, in the above technical solution, the connecting portion between the second contact portion and the second main body is provided with reinforcing ribs; both sides of the second main body are punched and formed with cards protruding forward. the

Further, in the above technical solution, the bottom cover is provided with a plurality of sockets; the soldering legs of the microphone terminal, the ground terminal, the left channel terminal, the right channel terminal and the switch terminal are all plugged and fixed in the socket. hole, and protrude out of the lower end surface of the bottom cover.

Further, in the above technical solution, an insulating arm is integrally formed in the insulating seat, and a bump is formed at the front end of the insulating arm, and the bump extends into the jack; the switch terminal includes: a fixed A terminal and a movable terminal, wherein the movable terminal is in contact with the rear end of the insulating arm.

Furthermore, in the above technical solution, the fixed terminal includes: a third main body, a third contact portion formed in the middle of the upper end of the third main body, first and second contact portions formed on both sides of the upper end of the third main body. The clamping part and the third welding leg formed at the lower end of the third main body, wherein, the part where the third main body connects with the third welding leg is punched and formed with a protrusion; the outer sides of the first and second clamping parts are formed with barbs The movable terminal includes: a fourth main body, a fourth contact portion formed in the middle of the upper end of the fourth main body, third and fourth clamping portions formed on both sides of the upper end of the fourth main body, and formed on the fourth The fourth welding leg at the lower end of the main body, wherein barbs are formed on the outer sides of the third and fourth clamping parts; the fourth contact part is in contact with the rear end of the insulating arm.

Furthermore, in the above technical solution, the bottom cover is formed with several undercuts, and the lower end of the insulating seat is formed with a number of snap positions that match the undercuts, and the bottom cover is embedded in the insulation through the undercuts. In the card position at the lower end of the seat, so as to form a stable assembly with the insulating seat.

After adopting the above-mentioned technical scheme, the utility model has the following beneficial effects compared with the prior art: the utility model has a simple and stable structure; in addition, the utility model is provided with an elastic contact arm on any one of the microphone terminal and the ground terminal, the utility model The elastic contact arm is in close contact with the inner wall of the metal shell to enhance the anti-EMI function, which can improve the communication quality of the utility model, and can enhance the market competitiveness of the utility model; in addition, the shape of the microphone terminal and the ground terminal are relatively similar, As a result, the functions of the microphone terminal and the ground terminal can be interchanged according to customer requirements, making it more convenient to use.

Description of drawings:

Fig. 1 is a perspective view of the utility model;

Fig. 2 is a perspective view of the utility model after the metal shell is disassembled;

Fig. 3 is an assembly drawing of the terminal group and the bottom cover of the utility model;

Fig. 4 is an exploded view of Fig. 3;

Fig. 5 is a top view of the insulating body of the present invention.

Detailed ways:

Below in conjunction with specific embodiment and accompanying drawing, the utility model is further described.

As shown in FIGS. 1-5 , it is an improved audio socket, which includes: an insulating body 10 , a terminal group 300 installed in the insulating body 10 , and a metal shell 8 fixedly covering the periphery of the insulating body 10 .

The insulating body 10 includes an insulating base 1 and a bottom cover 2 mounted on the lower end of the insulating base 1. The upper end of the insulating base 1 is provided with a socket 11 downwards, and a plurality of terminal slots 12 are arranged in the insulating base 1. The terminal slot communicates with the jack 11 .

An insulating arm 14 is integrally formed in the insulating base 1 , and a protrusion 141 is formed at the front end of the insulating arm 14 , and the protrusion 141 extends into the insertion hole 11 .

The terminal group 300 includes a microphone terminal 3 , a ground terminal 4 , a left channel terminal 5 , a right channel terminal 6 and a switch terminal 7 installed in the terminal slot 12 of the insulating body 10 .

The bottom cover 2 is provided with a plurality of jacks 21; the solder pins in the microphone terminal 3, the ground terminal 4, the left channel terminal 5, the right channel terminal 6 and the switch terminal 7 are inserted and fixed in the jacks 21 , and protrude from the lower end surface of the bottom cover 2. The bottom cover 2 is formed with a number of undercuts 22 , and the lower end of the insulating base 1 is formed with a number of locking positions matching the undercuts 22 , and the bottom cover 2 is embedded in the lower end of the insulating base 1 through the undercuts 22 In the card position, so as to form a stable assembly with the insulating seat 1.

Any one of the microphone terminal 3 and the ground terminal 4 is provided with an elastic contact arm, and the insulating base 1 is provided with a hole 13 corresponding to the position of the elastic contact arm, and the elastic contact arm passes through the hole 13 and is exposed on the The outer side of the insulating seat 1 is in close contact with the inner wall of the metal outer 8 to enhance the anti-EMI function.

The microphone terminal 3 includes: a first main body portion 31, a first contact portion 32 bent and formed on the upper end of the first main body portion 31, and a first solder leg 33 extending vertically downward along the first main body portion 31, The middle part of the first body part 31 is stamped with the above-mentioned elastic contact arm 34 , and the elastic contact arm 34 protrudes out of the first body part 31 . The connection between the first contact portion 32 and the first main body 31 is provided with reinforcing ribs to enhance the stability of the structure; both sides of the first main body 31 are stamped with cards 311 protruding forward.

The ground terminal 4 includes: a second body part 41 , a second contact part 42 bent and formed on the upper end of the second body part 41 , and a second welding leg 43 vertically extending downward along the second body part 41 , The middle part of the second body part 41 is stamped with the elastic contact arm 44 , and the elastic contact arm 44 protrudes out of the second body part 41 . The connecting portion between the second contact portion 42 and the second main body 41 is provided with reinforcing ribs; both sides of the second main body 41 are stamped with cards 411 protruding forward.

Since only one of the microphone terminal 3 and the ground terminal 4 can be provided with an elastic contact arm, otherwise a short circuit will occur. Therefore, in this embodiment, the microphone terminal 3 is provided with an elastic contact arm, and The ground terminal 4 is not provided with elastic contact arms.

In addition, since the shapes of the microphone terminal and the ground terminal are relatively similar, the functions of the microphone terminal and the ground terminal can be interchanged according to customer requirements, which is more convenient to use.

The switch terminal 7 includes: a fixed terminal 71 and a movable terminal 72 , wherein the movable terminal 72 is in contact with the rear end of the insulating arm 14 . The fixed terminal 71 includes: a third body part 711, a third contact part 712 formed in the middle of the upper end of the third body part 711, first and second clamping parts 713 formed on both sides of the upper end of the third body part 711 , 714 and the third welding leg 715 formed at the lower end of the third main body part 711, wherein, the part where the third main body part 711 and the third welding leg 715 meet is stamped and formed with a convex shell 716; the first and second clamping parts Barbs are formed on the outside of 713 and 714; the movable terminal 72 includes: a fourth main body part 721, a fourth contact part 722 formed in the middle of the upper end of the fourth main body part 721, and two contacts formed on both sides of the upper end of the fourth main body part 721. The third and fourth clamping parts 723, 724 and the fourth welding leg 725 formed at the lower end of the fourth main body part 721, wherein, barbs are formed on the outside of the third and fourth clamping parts 723, 724; The contact portion 722 is in contact with the rear end of the insulating arm 14 .

The utility model has a simple and stable structure. In addition, the utility model is provided with an elastic contact arm on any one of the microphone terminal and the ground terminal. The elastic contact arm is in close contact with the inner wall of the metal shell to enhance the anti-EMI function, which can improve the performance of the utility model. The communication quality of the utility model can enhance the market competitiveness of the utility model.

Of course, the above descriptions are only specific embodiments of the utility model, and are not intended to limit the implementation scope of the utility model. Should be included in the utility model patent scope.

Claims (9)

1. modified form audio socket, is characterized in that: comprising:

One insulating body (10), it bottom (2) comprising an insulating base (1) and be installed on insulating base (1) lower end, this insulating base (1) is held thereon and is offered a jack (11) downwards, and being provided with some terminal grooves (12) in insulating base (1), this terminal groove is communicated with this jack (11);

One terminal group (300), it comprises microphone terminal (3), earth terminal (4), L channel terminal (5), R channel terminal (6) and switch terminal (7) in the terminal groove (12) being installed on insulating body (10);

One metal shell (8), it is peripheral that its fixed packet is overlying on insulating body (10);

It is characterized in that: any one in described microphone terminal (3) and earth terminal (4) is provided with flexible actuator arm, described insulating base (1) is to the position of flexible actuator arm being provided with a position, hole (13), described flexible actuator arm is revealed in insulating base (1) outside through this position, hole (13), and with described metal shell (8) inwall close contact, to strengthen anti-EMI filter function.

2. modified form audio socket according to claim 1, it is characterized in that: described microphone terminal (3) comprising: one first main part (31), bending forming the first contact site (32) in the first main part (31) upper end and the first leg (33) along the downward vertically elongation moulding of the first main part (31), first main part (31) middle part punch forming has described flexible actuator arm (34), and this flexible actuator arm (34) stretches out in the first main part (31) outward.

3. modified form audio socket according to claim 2, is characterized in that: described first contact site (32) and the first main part (31) coupling part are provided with ribs; The card (311) protruded out before the equal punch forming in described first main part (31) both sides is oriented.

4. modified form audio socket according to claim 1, it is characterized in that: described earth terminal (4) comprising: one second main part (41), bending forming the second contact site (42) in the second main part (41) upper end and the second leg (43) along the downward vertically elongation moulding of the second main part (41), second main part (41) middle part punch forming has described flexible actuator arm (44), and this flexible actuator arm (44) stretches out in the second main part (41) outward.

5. modified form audio socket according to claim 4, is characterized in that: described second contact site (42) and the second main part (41) coupling part are provided with ribs; The card (411) protruded out before the equal punch forming in described second main part (41) both sides is oriented.

6. the modified form audio socket according to claim 1-5 any one, is characterized in that: described bottom (2) is provided with multiple jack (21); Leg in described microphone terminal (3), earth terminal (4), L channel terminal (5), R channel terminal (6) and switch terminal (7) all inserts build-in in jack (21), and stretches out in outside bottom (2) lower surface.

7. the modified form audio socket according to claim 1-5 any one, it is characterized in that: one-body molded in described insulating base (1) have an insulation arm (14), this insulation arm (14) front end forms a projection (141), and this projection (141) stretches in described jack (11); Described switch terminal (7) comprising: a fixed terminal (71) and movable terminal (72), wherein, and movable terminal (72) and described insulation arm (14) end in contact afterwards.

8. modified form audio socket according to claim 7, it is characterized in that: described fixed terminal (71) comprising: one the 3rd main part (711), take shape in the 3rd contact site (712) of the 3rd main part (711) upper center, take shape in first of the 3rd main part (711) both sides, upper end, second holding section (713, 714) and take shape in the 3rd leg (715) of the 3rd main part (711) lower end, wherein, 3rd main part (711) and the 3rd leg (715) joining part punch forming have convex closure (716), outside, this first, second holding section (713,714) is formed with barb, described movable terminal (72) comprising: one the 4th main part (721), take shape in the 4th main part (721) upper center the 4th contact site (722), take shape in the 3rd, the 4th holding section (723,724) of the 4th main part (721) both sides, upper end and take shape in the 4th leg (725) of the 4th main part (721) lower end, wherein, the 3rd, the 4th outside, holding section (723,724) is formed with barb, 4th contact site (722) and insulation arm (14) end in contact afterwards.

9. modified form audio socket according to claim 1, it is characterized in that: described bottom (2) forms some back-offs (22), described insulating base (1) lower end forms some screens matched with this back-off (22), described bottom (2) in the screens of insulating base (1) lower end, so that forms stable assembling with insulating base (1) by this back-off (22) inlay card.