CN202651523U - A dual ground audio interface - Google Patents

Abstract

The utility model discloses a two ground connection audio interface, including insulator, inlay the terminal in insulator and install in the metal casing of insulator surface, be provided with a jack that can supply external electronic component to peg graft on this insulator, the terminal includes that lead with external electronic component first, terminal, match the switch terminal that constitutes and one be used for the ground connection ground terminal by movable terminal and fixed terminal, the last shaping of ground connection terminal has one to be used for leading the portion of leading that connects with external electronic component, still is equipped with a switch-on contact on this ground connection terminal, should lead the contact cooperation and lead the portion of leading and form a pair and lead the structure. The utility model discloses extension on the well ground terminal not only can be used for meeting with the metal casing electrical property, still can regard as ground terminal's location portion. Additionally, the utility model provides a two lead to structures mutually support with two ground structure, make the utility model discloses a ground connection switches on the effect more stable, and has improved the utility model discloses a quality.

Description

A dual ground audio interface

Technical field:

The utility model relates to the technical field of connector products, in particular to a dual-ground audio interface with compact structure, stable assembly and stable ground conduction effect.

Background technique:

Electrical 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 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 Audio interface (audio connector).

A traditional audio interface includes an insulating body, terminals embedded in the insulating body, and a metal shell mounted on the outer surface of the insulating body. A jack for external electronic components is provided on the insulating body. The terminals include The first and second terminals connected to external electronic components, the switch terminal formed by matching the movable terminal and the fixed terminal, and a grounding terminal for grounding; the grounding terminal includes a main body and a contact portion formed on the main body and pin section.

The audio interface formed by the ground terminal of this structure has the following disadvantages:

1. In terms of assembly, since the ground terminal is not provided with a limiting portion or an extension portion, its assembly is not stable enough.

2. Since the contact part of the ground terminal is only connected to the external electronic component, in addition, the pin part is single

If one ground is grounded, the ground conduction of the entire audio interface will be unstable, which will affect the quality of the entire audio interface.

Utility model content:

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a dual-ground audio interface with compact structure, stable assembly and stable ground conduction.

In order to solve the above technical problems, the utility model adopts the following technical solutions: a double-ground audio interface, which includes an insulating body, terminals embedded in the insulating body, and a metal shell installed on the outer surface of the insulating body. There is a jack for external electronic components to be plugged in, and the terminals include first and second terminals connected with external electronic components, a switch terminal formed by matching movable terminals and fixed terminals, and a grounding terminal for grounding , the ground terminal is formed with a conductive part for connecting with external electronic components, and the ground terminal is also provided with a conduction contact, and the conduction contact cooperates with the conduction part to form a double conduction structure.

Further, in the above technical solution, the ground terminal includes a main body, mounting parts formed on both sides of the main body, pins formed on the rear end of the main body, and the above-mentioned conducting wires formed on the front end of the main body. part, and the conducting contacts are arranged on the main part.

Furthermore, in the above technical solution, the conducting portion of the ground terminal protrudes from the main body and is higher than the conduction contacts on the main body.

Furthermore, in the above technical solution, the installation part of the ground terminal is further formed with an extension part for electrically connecting with the metal shell.

Furthermore, in the above technical solution, a hook is symmetrically formed on both sides of the installation part of the ground terminal.

Furthermore, in the above technical solution, the extension part includes a first bending part extending downward from the installation part and being bent and formed, and a second bending part formed by bending and extending the first bending part.

Furthermore, in the above technical solution, the rear end of the insulating body is provided with terminal grooves for accommodating the first and second terminals and switch terminals; the bottom of the insulating body is formed with a groove for accommodating the grounding terminal, which is similar to the shape of the grounding terminal. matching mounting slot.

Further, in the above technical solution, the side of the insulating body is provided with a positioning groove communicating with the installation groove, and the side of the insulating body is also provided with a plurality of locking protrusions for locking.

Furthermore, in the above technical solution, the conducting portion of the ground terminal is an elastic contact arm.

Furthermore, in the above technical solution, the metal shell is covered on the outer surface of the insulating body, and is in conflict with the second bent portion of the extension portion of the ground terminal, and is electrically connected, and the second bent portion cooperates with The pin portion forms a double ground structure.

After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art:

1. The extension part on the grounding terminal in the utility model can not only be used to electrically connect with the metal shell, but also be used as a positioning part of the grounding terminal, which is embedded in the positioning groove on the side of the insulating body, so that the grounding terminal can be installed more firmly On the insulating body, its structure is compact and the assembly is stable, which improves the quality of the entire audio interface.

2. The double conduction structure and the double grounding structure formed in the utility model cooperate with each other, so that the grounding conduction effect of the utility model is more stable, and the quality of the utility model is improved.

Description of drawings:

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

Fig. 2 is a perspective view of the insulating body in the utility model;

Fig. 3 is a three-dimensional exploded view of the utility model;

Fig. 4 is a perspective view of another viewing angle of the insulating body in the utility model;

Fig. 5 is a perspective view of the terminal in the utility model;

Fig. 6 is a perspective view of the grounding terminal in the utility model;

Fig. 7 is a schematic diagram of the assembly of the insulating body and the terminal of the utility model;

Detailed ways:

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

As shown in Figure 1-7, a dual-ground audio interface includes an insulating body 1, a terminal 2 embedded in the insulating body 1, and a metal shell 3 installed on the outer surface of the insulating body 1, and the insulating body 3 is provided with a A jack 10 for plugging in external electronic components.

Specifically, the terminal 2 includes a first terminal 21 and a second terminal 22 connected with external electronic components, a switch terminal 23 formed by matching a movable terminal 24 and a fixed terminal 25, and a ground terminal 26 for grounding. , the ground terminal 26 is formed with a conducting portion 260 for conducting with external electronic components, and the ground terminal 26 is also provided with a conduction contact 261, which is formed by cooperating with the conduction portion 260 A double conduction structure.

The first terminal 21 includes a main body 211, a contact portion 212 bent and extended forward from the main body 211, and a pin portion 213 formed on the lower side of the main body 211, wherein the contact portion 212 and the pin portion 213 are perpendicular to each other. . A hook 214 is formed on the upper end of the main body 211 for fixing assembly, and a recess 215 is formed in the main body 211 .

The second terminal 22 includes a main body 221 , a contact portion 222 formed on the front end of the main body 221 , and a pin portion 223 formed on the lower side of the main body 221 , wherein the contact portion 222 and the pin portion 223 are perpendicular to each other. The upper end of the main body 221 is formed with a hook 224 for fixing and assembling.

The movable terminal 24 includes a main body 241, a contact portion 242 formed on the front end of the main body 241, and a pin portion 243 formed on the lower side of the main body 241, wherein the contact portion 242 and the pin portion 243 are perpendicular to each other; the contact portion 242 Two contacts are formed on the top, and a hook 244 is formed on the upper end of the main body 241 for fixed assembly.

The fixed terminal 25 includes a main body 251, a contact portion 252 formed on the front end of the main body 251, and a pin portion 253 formed on the lower side of the main body 251, wherein the contact portion 252 and the pin portion 253 are perpendicular to each other, and the contact portion 252 It protrudes toward the contact portion 242 of the movable terminal 24 , and a hook 254 is formed on the upper end of the main body 251 for fixing and assembling.

The conducting portion 260 of the ground terminal 26 is a resilient contact arm. The ground terminal 26 includes a main body 262 , mounting parts 263 formed on both sides of the main body 262 , pins 268 formed at the rear end of the main body 262 , and the guide portion 260 formed at the front end of the main body 262 , the conducting contact 261 is disposed on the main body portion 262 . The conducting portion 260 of the ground terminal 26 protrudes from the main body 262 and is higher than the conduction contact 261 on the main body 262 . A hook 264 is symmetrically formed on both sides of the installation portion 263 of the ground terminal 26 , and an extension portion 265 is formed on the installation portion 263 for electrically connecting with the metal casing 3 . The extension portion 265 includes a first bending portion 266 extending downward from the mounting portion 263 and being bent and formed, and a second bending portion 267 formed by bending and extending the first bending portion 266 .

The rear end of the insulating body 1 is provided with a terminal groove 100 for accommodating the first terminal 21, the second terminal 22 and the switch terminal 23. The terminal groove 100 is provided with a card slot for positioning; the bottom of the insulating body 1 is formed with a The installation slot 101 for accommodating the ground terminal 26 and matching the shape of the ground terminal 26 is provided with a locking slot for positioning. The side of the insulating body 1 is provided with a positioning groove 102 that communicates with the installation groove 101. The side of the insulating body 1 is also provided with a plurality of locking protrusions 103 for locking. The bottom of the insulating body 1 is also shaped to facilitate assembly. The boss 104. The insulating body 1 is formed with an extruding arm at the end of the socket 10 for pressing external electronic components.

The metal shell 3 covers the outer surface of the insulating body 1 , and is in contact with the second bent portion 266 of the extension portion 264 of the ground terminal 26 and is electrically connected. The metal shell 3 is formed with a locking portion 31 matching the locking protrusion 103 on the side of the insulating body 1 , and the bottom of the metal shell 3 is formed with mounting feet 32 for installation.

When assembling, insert the first terminal 21 and the second terminal 22, the movable terminal 24 and the fixed terminal 25 from the rear end of the insulating body 1 to the front, that is, the first terminal 21 and the second terminal 22, the movable terminal 24 and the fixed terminal The terminal 25 is inserted into the terminal groove 100 of the insulating body 1 , and the first terminal 21 and the second terminal 22 , and the pin portions 212 , 222 , 242 , 252 of the movable terminal 24 and the fixed terminal 25 are exposed outside the insulating body 1 . The contact parts 212 of the first terminal 21 and the second terminal 22 are exposed in the socket 10, and their hooks 214, 224 interfere with the slots in the terminal groove 100 to be fixed in the insulating body 1; the movable terminal 24 The contact portion 242 is in contact with the extrusion arm at the end of the socket 10 , the contact portion 252 of the fixed terminal 25 is fixed in the terminal slot 100 , and forms a contact portion 242 for the movable terminal 24 with the contact portion 242 of the movable terminal 24 Space for round trips.

The ground terminal 26 is inserted into the installation groove 101 in the insulating housing 1 from bottom to top, wherein the conducting portion 260 and the conduction contact 261 of the ground terminal 26 are exposed in the insertion hole 10 The extension part 265 of the ground terminal 26 can not only be used to electrically connect with the metal shell 3, but also be used as a positioning part of the ground terminal 265. The extension part 265 is embedded in the positioning groove 102 in the insulating body 1, and the second The two bent parts 267 are stuck on the side of the insulating body 1, and the hooks 264 formed symmetrically on both sides of the mounting part 263 of the grounding terminal 26 interfere with the slots in the mounting groove 101, so that the grounding terminal 26 is firmly installed. In the insulating body 1. The metal shell 3 covers the outer surface of the insulating body 1 , and is in contact with the second bent portion 266 of the extension portion 264 of the ground terminal 26 and is electrically connected. In addition, the locking portion 31 of the metal shell 3 is sleeved on the locking protrusion 103 on the side of the insulating body 1 to form a stable assembly.

The double conducting structure and the double grounding structure formed in the utility model cooperate with each other, so that the grounding conduction effect of the utility model is more stable, and the quality of the utility model is improved.

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 (10)

1. two ground connection audio interface, it comprises insulating body, the metal shell that is embedded in the terminal in the insulating body and is installed on the insulating body outer surface, being provided with one on this insulating body can be for the jack of external electronic building brick grafting, described terminal comprise with external electronic building brick connect mutually first, two-terminal, mate the earth terminal that the switch terminal and that consists of is used for ground connection by movable terminal and fixed terminal, it is characterized in that: form one on the described earth terminal and be used for the junction that connects with external electronic building brick, also be provided with a conducting contact on this earth terminal, this conducting contact cooperates junction to form a pair of conducting structure.

2. a kind of pair of ground connection audio interface according to claim 1, it is characterized in that: the described junction that described earth terminal comprises a main part, takes shape in the installation portion of main part both sides, takes shape in the pin section of main part rear end and take shape in the main part front end, described conducting contact is arranged on the main part.

3. a kind of pair of ground connection audio interface according to claim 2, it is characterized in that: the junction of described earth terminal protrudes from main part, and is higher than the conducting contact that is positioned on the main part.

4. a kind of pair of ground connection audio interface according to claim 2 is characterized in that: the installation portion of described earth terminal also forms one and is used for the extension that is electrically connected with described metal shell.

5. a kind of pair of ground connection audio interface according to claim 2, it is characterized in that: the installation portion dual-side symmetrical molding of described earth terminal has grab.

6. a kind of pair of ground connection audio interface according to claim 4 is characterized in that: described extension comprises by installation portion to the first kink of downward-extension and bending forming and bent and extended into the second kink of type by the first kink.

7. a kind of pair of ground connection audio interface according to claim 1, it is characterized in that: described insulating body rear end is provided be used to the terminal groove that holds first and second terminal and switch terminal; This insulating body bottom forms one and is used for holding mounting groove earth terminal and that be complementary with the earth terminal moulding.

8. a kind of pair of ground connection audio interface according to claim 7 is characterized in that: described insulating body side is provided with a location notch that is communicated with described mounting groove, and this insulating body side also is provided with a plurality of card convexs for screens.

9. the described a kind of pair of ground connection audio interface of any one according to claim 1-8, it is characterized in that: the junction of described earth terminal is an elasticity contact arm.

10. a kind of pair of ground connection audio interface according to claim 6, it is characterized in that: described metal shell is coated on the insulating body outer surface, and inconsistent with the second kink of extension in the earth terminal, and be electrically connected, this second kink cooperates described pin section to form two ground structures.

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