CN215681031U

CN215681031U - Earphone connector socket structure

Info

Publication number: CN215681031U
Application number: CN202122074527.7U
Authority: CN
Inventors: 邓菊花; 樊晓文; 赵小虎
Original assignee: ZUANBAO ELECTRONICS CO Ltd
Current assignee: ZUANBAO ELECTRONICS CO Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-28
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a socket structure of an earphone connector, which comprises a base, a positioning groove arranged at the top of the base and a GND terminal part penetrating through the positioning groove; the front end of the base is provided with a jack structure suitable for inserting an earphone plug; GND terminal part is including extending the base front end and bending the portion of touching that penetrates in the jack structure, can make its ground connection part extrusion contact should touch the portion when headphone plug inserts jack structure, the portion of touching of this scheme design does not receive the structural dimension restriction of base front end, can set for the connection distance that the portion of touching penetrates in the jack structure according to the design requirement, make the interval that remains more than 1.2mm between the insulating collar that touches portion and headphone plug, avoid pressing the portion of touching to contact on the insulating collar and arouse the condition of contact failure in headphone plug grafting motion in-process, structural stability is good, the cooperation contact is reliable, guarantee the audio signal transmission effect of product, promote product performance.

Description

Earphone connector socket structure

Technical Field

The utility model relates to the technical field of earphone connectors, in particular to a socket structure of an earphone connector.

Background

The headphone jack connector, which is now capable of producing sound, is widely used in audio-visual sound products, and its main function is to provide voice signal transmission. In recent years, with the advent of various lightweight electronic products, such as mobile phones, PDAs, MP3, and notebook computers, the use of headset connectors in these products has become more important.

At present, there is a kind of phi 3.5PHONE JACK (phi 3.5PHONE JACK is a connecting device for transmitting audio signals) in the market, which is a stereo JACK mainly used in computers, mobile PHONEs, earphones, etc., referring to fig. 6, the earphone JACK includes a base, and a GND terminal 02 (the GND terminal is a grounding terminal) and a plurality of signal terminals which are arranged on the base 01, the GND terminal 02 is provided with a V-shaped end at the opening of the base head, and the V-shaped end is abutted against the step position of the base head. Insert in the base in order to realize speech signal's transmission through headphone plug 03, it has left sound channel portion, right sound channel portion, accuse portion and earthing part to distribute on headphone plug 03, and earthing part is with GND terminal cooperation contact, is equipped with a ring insulating collar 04 between earthing part and the accuse portion of wheat. However, the earphone socket with the structure design still has the following problems in practical use: when the earphone plug is inserted into the earphone socket, the grounding part is required to be in matched contact with the V-shaped end of the GND terminal, the size distance between the contact point of the V-shaped end and the insulating ring is very small due to the limitation of the structural size of the head of the base, only 0.5mm remains between the contact point and the insulating ring, the V-shaped end is easily connected to the insulating ring in the inserting motion process of the earphone plug, the bad contact condition is caused, the structural stability is poor, and the audio signal transmission effect and the service performance of a product are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, the V-shaped end of a GND terminal is easy to connect to an insulating ring when an earphone plug is inserted into an earphone socket due to the fact that the size distance between the V-shaped end of the GND terminal and the insulating ring on the earphone plug is small, so that poor contact is caused, the structural stability is good, and the audio signal transmission effect of a product is influenced.

To solve the above problems, the present invention provides a socket structure of an earphone connector, comprising:

the front end of the base is provided with a jack structure suitable for inserting an earphone plug;

the positioning groove is arranged at the top of the base and extends to the front end and the rear end of the base;

and the GND terminal part penetrates through the positioning groove and comprises a pressing part which extends out of the front end of the base and is bent to penetrate into the jack structure, and the pressing part is in pressing contact with a grounding part of an earphone plug inserted into the jack structure so as to be matched and abutted against the inner wall of the port of the jack structure when the pressing part is pressed.

As a preferable scheme, the pressing portion is in a U-shaped structure and is sleeved at the front end port of the base, so that one end of the pressing portion is bent and penetrates into the jack structure.

As a preferable scheme, one end of the pressing portion, which is bent to penetrate through the jack structure, is accommodated in the limiting groove, and a gap is reserved between the pressing portion and the limiting groove when the pressing portion is not pressed.

As a preferable scheme, a contact protrusion matched with the earphone plug is formed at one bent end of the touch pressing part.

Preferably, a limit structure is provided between the GND terminal member and the positioning groove, for keeping the mounting position of the GND terminal member fixed in the positioning groove.

As a preferable scheme, the limiting structure comprises a limiting clamping table which is arranged in the positioning groove close to the touch pressing part, and a limiting clamping hole which is correspondingly arranged on the GND terminal component and forms clamping fit with the limiting clamping table.

As a preferable scheme, the positioning groove extends along the length direction of the base, and includes a groove portion extending to the front end of the base and exposed out of the top of the base, and a through hole portion extending from the groove portion to the rear end of the base, and the pressing portion is connected between the groove portion and the jack structure in a bending manner.

Preferably, the GND terminal member is inserted into the through hole from the recessed portion, and one end of the GND terminal member, which is passed through the through hole with respect to the pressing portion, is bent toward the base bottom.

Preferably, a protective cover covering the positioning groove is mounted on the top of the base.

Preferably, the base is further provided with a left channel terminal, a right channel terminal and a microphone terminal, and one end of the GND terminal component, one end of the left channel terminal, one end of the right channel terminal and one end of the microphone terminal are respectively penetrated through the bottom of the base.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. in the earphone connector socket structure provided by the utility model, the GND terminal part is arranged in the positioning groove at the top of the base, the touch pressing part which extends out of the front end of the base and is bent to penetrate into the jack structure is arranged on the GND terminal part, the touch pressing part designed by bending is matched and clamped at the front end of the base and is pressed on the inner wall of the port of the jack structure, the installation stability is good, when the earphone plug is inserted into the jack structure, the grounding part of the earphone plug can be pressed to contact with the touch pressing part to realize the connection between the GND terminal part and the earphone plug, the touch pressing part designed by the scheme is not limited by the structural size of the front end of the base, the connection distance of the touch pressing part penetrating into the jack structure can be set according to the design requirement, the distance between the touch pressing part and the insulating ring of the earphone plug is kept to be at least more than 1.2mm, and the situation that the touch pressing part falls on the insulating ring to cause poor contact in the plugging movement of the earphone plug is avoided, the structure stability is good, the matching contact is reliable, the audio signal transmission effect of the product is ensured, and the product use performance is improved.

2. In the earphone connector socket structure provided by the utility model, the contact pressing part is in a U-shaped structure, the contact protrusion is formed on one end of the contact pressing part which is bent and penetrates into the jack structure, the contact pressing part designed by the U-shaped structure is just clamped at the front end of the base, the structural strength is high, the extrusion contact effect of the contact pressing part and the earphone plug in the jack structure can be enhanced through the contact protrusion, the contact pressing part is tightly contacted with the grounding part of the earphone plug, the loosening phenomenon is prevented, and the matching contact is stable and reliable.

3. In the earphone connector socket structure provided by the utility model, the GND terminal part is positioned and installed in the positioning groove through the clamping matching of the limiting clamping table and the limiting clamping hole, so that the GND terminal part is prevented from deviating and shaking along the positioning groove when being subjected to external force, the limiting installation effect is realized on the GND terminal part in the positioning groove, and the good installation stability of the GND terminal part is improved.

4. In the earphone connector socket structure provided by the utility model, when the GND terminal component is installed on the base, the GND terminal component is firstly inserted into the through hole part from the groove part, after one end of the GND terminal component passes through the through hole part and extends out of the rear end position of the base, one end of the GND terminal component is bent towards the bottom direction of the base, meanwhile, the contact part on the GND terminal component is driven to penetrate into the jack structure, and the GND terminal component is limited and installed in the positioning groove through the limiting structure, so that the installation and fixation of the GND terminal component on the top of the base are realized, and the installation and the penetration of the GND terminal component are guided through the positioning groove to play a role in positioning and installation.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below.

Fig. 1 is a schematic perspective view of a socket structure of an earphone connector according to the present invention;

fig. 2 is a schematic cross-sectional view of the socket structure of the earphone connector of the present invention;

fig. 3 is a schematic view of the mounting structure of the GND terminal block of the present invention;

fig. 4 is a schematic bottom structure view of the socket structure of the earphone connector of the present invention;

fig. 5 is a schematic view of a connection structure between a socket structure of an earphone connector and an earphone plug of the utility model;

FIG. 6 is a schematic diagram of a prior art earphone connector receptacle;

description of reference numerals: 1. a base; 2. a jack structure; 21. a limiting groove; 3. positioning a groove; 31. a groove part; 32. a through hole portion; 4. a GND terminal member; 41. a pressing part; 42. a contact bump; 5. a left channel terminal; 6. a right channel terminal; 7. a microphone terminal; 8. a limiting structure; 81. a limiting clamping table; 82. limiting clamp holes; 9. an earphone plug.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The present embodiment provides a socket structure of a headphone connector as shown in fig. 1 to 5, including:

the front end of the base 1 is provided with a jack structure 2 suitable for inserting an earphone plug 9;

the positioning groove 3 is arranged at the top of the base 1 and extends to the front end and the rear end of the base 1;

the GND terminal part 4 is arranged in the positioning groove 3 in a penetrating manner and comprises a pressing part 41 which extends out of the front end of the base 1 and is bent to penetrate into the jack structure 2, and the pressing part 41 is matched and pressed to be in contact with a grounding part of the earphone plug 9 inserted into the jack structure 2, so that the pressing part 41 is matched and abutted on the inner wall of the port of the jack structure 2 when being pressed; after the earphone plug 9 is completely inserted into the jack structure 2, the distance between the touch part of the GND terminal component 4 and the insulating ring of the earphone plug is at least 1.2mm, so that the touch part is prevented from contacting the insulating ring of the earphone plug.

The above-mentioned embodiment is the core technical solution of this example, the GND terminal component 4 is inserted into the positioning slot 3 on the top of the base 1, the contact portion 41 which extends out of the front end of the base 1 and is bent to penetrate into the jack structure 2 is arranged on the GND terminal component 4, the contact portion 41 which is bent is matched and clamped on the front end position of the base 1 and is pressed on the inner wall of the port of the jack structure 2, the installation stability is good, when the earphone plug 9 is inserted into the jack structure 2, the grounding portion of the earphone plug can be pressed and contacted with the contact portion 41 to connect the GND terminal component 4 with the earphone plug 9, the contact portion 41 which is designed by this solution is not limited by the structural size of the front end of the base 1, the connection distance of the contact portion 41 penetrating into the jack structure 2 can be set according to the design requirement, the distance between the contact portion and the insulating ring of the earphone plug 9 is at least kept to be more than 1.2mm, and the situation that the contact portion falls on the insulating ring to cause poor contact during the plugging movement of the earphone plug 9 can be avoided, the structure stability is good, the matching contact is reliable, the audio signal transmission effect of the product is ensured, and the product use performance is improved.

The following detailed description of the specific arrangement of the pressing portion 41 is provided with reference to fig. 2-3:

the touch pressing part 41 is of a U-shaped structure and is sleeved and abutted to the front end port of the base 1, one end of the touch pressing part 41 penetrates into the socket structure after being bent, an L-shaped limiting groove 21 is formed in the inner wall of the port of the jack structure 2, one end of the touch pressing part 41 penetrating into the jack structure 2 in a bending mode is accommodated in the limiting groove 21, a gap is reserved between the touch pressing part and the limiting groove 21 when the touch pressing part is not pressed, a position required for installation is provided for one end of the touch pressing part 41 through the limiting groove 21, meanwhile, the touch pressing part 41 is abutted and pressed into the limiting groove 21 when the touch pressing part is extruded by the earphone plug 9, and the touch pressing part 41 plays a role in bearing force.

As a preferred embodiment, the bending end of the pressing portion 41 is formed with a contact protrusion 42 which is matched with the earphone plug 9, and the contact protrusion 42 is higher than the limiting groove 21, as can be seen from the above structure, the pressing portion 41 designed in the U-shaped structure is just clamped at the front end position of the base 1, the structural strength is high, the contact protrusion 42 can enhance the pressing contact effect of the pressing portion 41 and the earphone plug 9 in the jack structure 2, so that the pressing portion 41 and the grounding portion of the earphone plug 9 are kept in close contact, the loosening phenomenon is prevented, and the matching contact is stable and reliable.

In order to ensure the installation stability of the GND terminal member 4 in the positioning groove 3, a limit structure 8 for keeping the installation position of the GND terminal member 4 in the positioning groove 3 fixed is arranged between the GND terminal member 4 and the positioning groove 3. As a specific structure, the limiting structure 8 includes a limiting block 81 disposed in the positioning groove 3 near the pressing portion 41, and a limiting block hole 82 correspondingly disposed on the GND terminal component 4 and forming a snap fit with the limiting block 81. This kind of structure sets up, GND terminal unit 4 is installed through the joint cooperation location of spacing ka tai 81 and spacing calorie of hole 82 the constant head tank 3 prevents GND terminal unit 4 takes place the skew and rocks the condition along constant head tank 3 when receiving the exogenic action to play spacing installation effect in constant head tank 3 to GND terminal unit 4, promote GND terminal unit 4's installation stability good.

In this embodiment, as shown in fig. 2-3 and 5, the positioning slot 3 extends along the length direction of the base 1, and includes a groove portion 31 extending to the front end of the base 1 and exposed out of the top of the base 1, and a through hole portion 32 extending from the groove portion 31 to the rear end of the base 1, the touch portion 41 is connected between the groove portion 31 and the jack structure 2 in a bending manner, a protective cover covering the positioning slot 3 is installed on the top of the base 1, and the GND terminal component 4 can be prevented from being exposed on the top of the base 1 by the protective cover to play a protective role, wherein the GND terminal component 4 is inserted into the through hole portion 32 from the groove portion 31, and one end of the GND terminal component that penetrates through the through hole portion 32 relative to the touch portion 41 is bent toward the bottom direction of the base 1. According to the structure, when installing the GND terminal component 4 on the base 1, insert the GND terminal component 4 into the through hole portion 32 by the concave portion 31 earlier after the through hole portion 32 stretches out the base 1 rear end position, do the perpendicular bending towards base 1 bottom direction with GND terminal component 4 one end again can, simultaneously, drive its upper contact portion butt in base 1 front end position and penetrate jack structure 2 to through limit structure 8 with the spacing installation in constant head tank 3 of GND terminal component 4, just so realize that the installation of GND terminal component 4 at base 1 top is fixed, through the installation of constant head tank 3 guide GND terminal component 4 is worn to establish, plays the location installation effect, and mounting structure is simple, and it is comparatively simple and convenient to install, improves the installation effectiveness.

As shown in fig. 4, the base 1 is further provided with a left channel terminal 5, a right channel terminal 6 and a microphone terminal 7, one end of the GND terminal component 4, one end of the left channel terminal 5, one end of the right channel terminal 6 and one end of the microphone terminal 7 are respectively inserted into the bottom of the base 1, and correspondingly, the headphone plug 9 is provided with a left channel portion, a right channel portion, a microphone portion and a ground portion which are respectively in fit contact with the left channel terminal 5, the right channel terminal 6, the microphone terminal 7 and the GND terminal component 4, so as to realize the audio signal transmission function of the headphone.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. An earphone connector receptacle structure, comprising:

the front end of the base (1) is provided with a jack structure (2) suitable for inserting an earphone plug (9);

the positioning groove (3) is arranged at the top of the base (1) and extends to the front end and the rear end of the base (1);

the GND terminal part (4) penetrates through the positioning groove (3) and comprises a pressing part (41) which extends out of the front end of the base (1) and is bent to penetrate into the jack structure (2), and the pressing part (41) is matched and pressed in contact with a grounding part of an earphone plug (9) inserted into the jack structure (2) so that the pressing part (41) is matched and abutted on the inner wall of the port of the jack structure (2) when pressed.

2. The headphone connector jack structure of claim 1, wherein: the pressing part (41) is of a U-shaped structure and is sleeved at the front end port of the base (1).

3. The headphone connector jack structure of claim 2, wherein: an L-shaped limiting groove (21) is formed in the inner wall of the port of the jack structure (2), one end, bent to penetrate into the jack structure (2), of the pressing portion (41) is accommodated in the limiting groove (21), and a gap is reserved between the pressing portion and the limiting groove (21) when the pressing portion is not pressed.

4. The headphone connector jack structure of claim 3, wherein: and a contact protrusion (42) matched with the earphone plug (9) is formed at the bent end of the pressing part (41).

5. The headphone connector jack structure according to any one of claims 1 to 4, wherein: and a limiting structure (8) which enables the GND terminal component (4) to keep the installation position in the positioning groove (3) fixed is arranged between the GND terminal component (4) and the positioning groove (3).

6. The headphone connector jack structure of claim 5, wherein: the limiting structure (8) comprises a limiting clamping table (81) which is arranged in the positioning groove (3) close to the touch pressing part (41), and a limiting clamping hole (82) which is correspondingly arranged on the GND terminal part (4) and forms clamping fit with the limiting clamping table (81).

7. The headphone connector jack structure of claim 1, wherein: the positioning groove (3) extends along the length direction of the base (1) and comprises a groove portion (31) extending to the front end of the base (1) and exposed out of the top of the base (1) and a through hole portion (32) extending from the groove portion (31) to the rear end of the base (1), and the touch and press portion (41) is connected between the groove portion (31) and the jack structure (2) in a bending mode.

8. The headphone connector jack structure of claim 7, wherein: the GND terminal member (4) is inserted into the through hole (32) from the groove (31), and is bent toward the bottom of the base (1) relative to the end of the contact portion (41) that penetrates through the through hole (32).

9. The headphone connector jack structure of claim 8, wherein: the top of base (1) is installed and is covered the protection shroud of constant head tank (3).

10. The headphone connector jack structure of claim 9, wherein: still be provided with left channel terminal (5), right channel terminal (6) and wheat accuse terminal (7) on base (1), GND terminal component (4), left channel terminal (5), right channel terminal (6) and one end of wheat accuse terminal (7) wear to locate respectively base (1) bottom.