CN212751219U

CN212751219U - Earphone socket

Info

Publication number: CN212751219U
Application number: CN202021204032.0U
Authority: CN
Inventors: 隆辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-19
Anticipated expiration: 2030-06-24

Abstract

The earphone socket comprises an insulation base, a plurality of signal terminals, the front end of the insulation base is provided with an earphone hole which is communicated with the inner cavity of the insulation base and used for inserting an earphone plug, the rear part of the insulation base is provided with a plurality of accommodating grooves communicated with the inner cavity of the insulation base, the signal terminals are in one-to-one correspondence in the accommodating grooves, signal terminal covers and openings of the corresponding accommodating grooves on the rear end face of the insulation base, one ends of the signal terminals stretch into the inner cavity of the insulation base to form a contact part protruding towards the middle of the inner cavity of the insulation base, the other ends of the signal terminals protrude out of the rear end face of the insulation base to form a welding part in a sheet shape, the welding parts of at least two signal terminals are located on a first plane, the welding parts of other signal terminals are located on a second plane, and the first plane is parallel to the. The utility model discloses make the weld part when welding with wire rod or PCB board, can make things convenient for automation equipment to operate, simplified earphone socket's assembling process, improved the efficiency of assembly.

Description

Earphone socket

Technical Field

The utility model discloses electronic equipment technical field, concretely relates to earphone socket.

Background

The earphone socket is installed on electronic equipment such as a mobile phone, a pad and a computer and used for transmitting voice signals, and along with the continuous development of the electronic product technology, the application of the earphone socket on the electronic product is gradually emphasized.

The existing earphone socket generally comprises an insulating base made of plastic materials, wherein the insulating base is of a hollow structure, an earphone jack is formed at one end of the insulating base, a plurality of signal terminals are embedded at the other end of the insulating base, one ends of the signal terminals extend into an inner cavity of the insulating base to form a contact part which is in contact conduction with the surface of an earphone plug, and the other ends of the signal terminals protrude out of the other end of the insulating base to form a welding part which is connected with a wire or a PCB; in the existing earphone socket, four signal terminals are arranged, the four signal terminals are installed on an insulating base one by one, then a plastic rubber plug is sleeved outside the signal terminals to seal gaps between the signal terminals and the insulating base, the installation process is complex, the production efficiency is low, welding parts of the four signal terminals are located on different planes, and when the four signal terminals are welded with wires or a PCB, automatic operation is difficult to achieve. In the prior art, some earphone sockets divide an insulating base into two parts, namely a plastic main body and a plastic cover, two signal terminals are installed from the tail part of the plastic main body, and after the other two signal terminals are installed from the upper part of the plastic main body, the plastic cover is pressed on the other two signal terminals, and the plastic cover and the plastic main body form a closed structure.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an earphone socket, its assembling process that can simplify earphone socket makes earphone socket can realize automated production.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

earphone socket, including hollow insulating base, a plurality of signal terminals, insulating base's front end is provided with rather than the inner chamber intercommunication and is used for supplying earphone plug male earphone hole, the rear portion is provided with a plurality of holding tanks that communicate with insulating base's inner chamber, the cross-under of a plurality of signal terminal one-to-ones is in the holding tank, and signal terminal closing cap and the opening of holding tank rather than corresponding at insulating base rear end face, the one end of signal terminal stretches into and forms the convex contact site towards the middle part of insulating base inner chamber in insulating base's inner chamber, the other end then protrudes and forms one in insulating base rear end face and be flaky weld part, the weld part of two at least signal terminals is located a first plane, the weld part of other signal terminals all is in a second plane, this first plane is parallel with the second plane and staggers each other.

Further, the contact portions of the plurality of signal terminals are offset from each other in the longitudinal direction of the insulating base.

Furthermore, projections of the contact portions of the plurality of signal terminals on a radial cross section of the insulating base are staggered from each other along the circumferential direction of the insulating base.

Further, the signal terminal comprises a connecting part positioned between the contact part and the welding part, and the connecting part is penetrated in the accommodating groove and fixedly matched with the insulating base.

Furthermore, the contact part is a contact elastic sheet arranged on the connecting part or a contact boss protruding towards the inner cavity of the insulating base from one end of the connecting part far away from the welding part.

Furthermore, the earphone socket comprises four signal terminals which are respectively a first signal terminal, a second signal terminal, a third signal terminal and a fourth signal terminal, and four accommodating grooves which respectively correspond to the first signal terminal, the second signal terminal, the third signal terminal and the fourth signal terminal are arranged at the rear end part of the insulating base.

Furthermore, the connecting portion of the first signal terminal is arranged opposite to the connecting portion of the third signal terminal, the connecting portion of the second signal terminal is arranged opposite to the connecting portion of the fourth signal terminal, the welding portion of the second signal terminal is formed by bending one side, close to the first signal terminal, of the connecting portion, the welding portion of the fourth signal terminal is formed by bending one side, close to the third signal terminal, of the connecting portion, the welding portion of the second signal terminal and the welding portion of the first signal terminal are located on a first plane, and the welding portion of the third signal terminal and the welding portion of the fourth signal terminal are located on a second plane.

Furthermore, the rear ends of the connecting portions of the first signal terminal and the third signal terminal are provided with bent portions bent towards each other, and the welding portions of the first signal terminal and the third signal terminal are connected to the bent portions of the first signal terminal and the third signal terminal.

Furthermore, the rear end parts of the connecting parts of the second signal terminal and the fourth signal terminal are bent to form a hook part.

Furthermore, the edges of the four accommodating groove openings on the rear end face of the insulating base are respectively provided with a concave position, and the bending part of the first signal terminal and the third signal terminal and the hook part of the second signal terminal and the fourth signal terminal are equally arranged in the four concave positions respectively.

The utility model discloses among a plurality of signal terminals of earphone socket, the weld part coplane of some signal terminals, the weld part of another part signal terminal is in another plane, like this, makes the weld part when welding with wire rod or PCB board, can make things convenient for automation equipment to operate, has simplified earphone socket's assembling process, has improved the efficiency of assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the installation of the present invention;

fig. 3 is a schematic structural diagram of the insulating base in fig. 2.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1, 2 and 3, the earphone socket of the present invention comprises an insulating base 10, four signal terminals, wherein the four signal terminals are respectively a first signal terminal 21, a second signal terminal 22, a third signal terminal 23 and a fourth signal terminal 24, the insulating base 10 is a hollow structure made of plastic, an earphone hole communicated with an inner cavity of the insulating base 10 is disposed at a front end of the insulating base 10, an earphone plug can be inserted into the inner cavity of the insulating base 10 through the earphone hole, four receiving grooves 11 are disposed on a rear end surface 100 of the insulating base 10, the receiving grooves 11 are penetrated from the inner cavity of the insulating base 10 to the rear end surface 100, an opening is formed on the rear end surface 100, the first signal terminal 21, the second signal terminal 22, the third signal terminal 23 and the fourth signal terminal 24 are respectively penetrated into the four receiving grooves 11 and cover the openings of the receiving grooves 11, the front end of each signal terminal is extended into the inner cavity of the insulating base 10, the rear end is protruded from the rear end face 100 of the insulating base 10, the front end of the signal terminal is provided with a contact part protruded toward the middle of the inner cavity of the insulating base 10, the rear end of the signal terminal is provided with a welding part protruded from the rear end face 100 and having a sheet structure, wherein, taking the first signal terminal 21 as an example, the inner end of the first signal terminal extended into the inner cavity of the insulating base 10 is provided with a contact boss 212, the contact boss 212 can be welded and fixed on the first signal terminal 21 or formed by a stamping process, in short, the contact boss 212 is protruded toward the middle of the inner cavity of the insulating base 10; taking the third signal terminal 23 as an example, a contact elastic sheet 232 is disposed on a portion of the third signal terminal extending into the inner cavity of the insulating base 10, and the contact elastic sheet 232 protrudes toward the inner cavity of the insulating base 10 to form a contact portion, that is, the contact portion on any one of the signal terminals may be the contact boss, the contact elastic sheet, or other structures capable of achieving contact and conduction matching, and for this reason, those skilled in the art may select the contact portion as needed, and not described herein too much; outside the rear end face 100 of the insulating base 10, the soldering portion 213 of the first signal terminal 21 is coplanar with the soldering portion 223 of the second signal terminal 22, both of which lie on a first plane a1, the soldering portion 233 of the third signal terminal 23 is coplanar with the soldering portion 243 of the fourth signal terminal 24, both of which lie on a second plane a2, the first plane a1 and the second plane a2 being parallel and offset from each other by a certain distance.

In a preferred embodiment, the contact portions of the first signal terminal 21, the second signal terminal 22, the third signal terminal 23 and the fourth signal terminal 24 are offset from each other in the length direction of the insulating base 10, that is, the contact boss 212, the contact boss on the second signal terminal 22, the contact spring 232 and the contact boss 242 are spaced from each other by a certain distance in the length direction of the insulating base 10; further, the projections of the contact bosses 212, the contact bosses on the second signal terminals 22, the contact spring pieces 232, and the contact bosses 242 on the radial cross section of the insulation base 10 are staggered from each other along the circumferential direction of the insulation base 10, so that the contact portions on the four signal terminals are respectively contacted with different positions in the circumferential direction of the earphone plug, preferably, the projections of the contact portions on the four signal terminals on the radial interface of the insulation base 10 are arranged in a row around the circumference of the central axis of the insulation base 10, and further, the interference of the different contact portions is avoided.

The utility model discloses in, signal terminal all is including connecting portion, and connecting portion are located between contact site and the weld part, and four signal terminal's connecting portion are inlayed respectively in an holding tank 11 to make signal terminal and insulating base 10 fixed coordination. The four receiving grooves 11 formed in the rear end surface 100 of the insulating base 10 are arranged in a circumferential array such that the connecting portion 211 of the first signal terminal 21 and the connecting portion 23 of the third signal terminal 23 are disposed to face each other, the connecting portion 221 of the second signal terminal 22 and the connecting portion 241 of the fourth signal terminal 24 are disposed to face each other, the soldering portion 223 is formed by a bending process on one side of the rear end portion of the connecting portion 221 of the second signal terminal 22, and the soldering portion 223 is bent from the one side of the connecting portion 221 toward the first signal terminal 21, such that the soldering portion 223 of the second signal terminal 22 is flush with the soldering portion 213 of the first signal terminal 21 and is located on the first plane a1, and similarly, the soldering portion 243 is formed by a bending process on one side of the rear end portion 241 of the fourth signal terminal 24 and is bent from the one side of the connecting portion 241 toward the third signal terminal 23, in this way, the soldering portion 243 of the fourth signal terminal 24 and the soldering portion 233 of the third signal terminal 23 are flush with each other and are all located on the second plane a2, that is, the sides of the connecting portion 221 and the connecting portion 241 facing away from each other are bent to form the soldering portion 223 and the soldering portion 243, respectively, and the distance between the soldering portion 223 and the soldering portion 243 is preferably the same as the distance between the soldering portion 213 and the soldering portion 233. Of course, in order to reduce the width dimensions of the connecting portion 221 of the second signal terminal 22 and the connecting portion 241 of the fourth signal terminal 24, and ensures that weld 223 is coplanar with weld 213 and weld 243 is coplanar with weld 233, the connecting portion 211 of the first signal terminal 21 and the connecting portion 231 of the third signal terminal 23 are respectively provided with a bent portion 214 and a bent portion 234 bent toward each other, the welding portion 213 is joined to the bent portion 214, the welding portion 233 is joined to the bent portion 234, in this way, the

welding portions

213 and 243 are both close to the middle of the radial cross section of the insulating base 10 so as to be flush with the

welding portions

223 and 243, that is, the rear end of the connection portion 211 and the rear end of the connection portion 231 are bent toward the middle of the radial section of the insulation base 10 to form the welding portion 213 and the welding portion 233, so as to reduce the distance between the welding portion 213 and the welding portion 233.

The

bent portions

214 and 234 also serve to cover the openings of the accommodating grooves 11 corresponding to the first signal terminals 21 and the third signal terminals 23. Similarly, the second signal terminal 22 is provided with a hook portion 224 located at the rear end portion of the connecting portion 221, the hook portion 224 is formed by bending the rear end portion of the connecting portion 221, the fourth signal terminal 24 is provided with a hook portion 244 formed by bending the rear end portion of the connecting portion 241, and the hook portion 224 and the hook portion 244 cover the openings of the housing grooves 11 corresponding to the second signal terminal 22 and the fourth signal terminal 24, respectively, so that dust, liquid, and the like are prevented from entering the inner cavity of the insulating base 10 from the openings of the housing grooves 11. Meanwhile, four concave positions 12 respectively located at the opening edges of the four accommodating grooves 11 are further arranged on the rear end surface 100 of the insulating base 10, and the bending portion 214, the bending portion 234, the hook portion 224 and the hook portion 244 are respectively embedded in the four concave positions 12, so that only the welding portions on the four signal ends protrude out of the rear end surface 100 of the insulating base 10, and the whole earphone socket is ensured to be compact and reliable in structure.

It should be noted that, in the above embodiments, the utility model discloses an earphone socket includes four signal terminals, in fact, in other embodiments, the utility model discloses an earphone socket can be to include three signal terminal, can be to cancel third signal terminal or fourth signal terminal in the earphone socket as shown in fig. 1, 2, 3, of course the quantity of signal terminal also can be set up to be greater than four, in short as long as make the welding part of two of them signal terminal be in the first plane, the welding part of other signal terminal is in the second plane, first plane and second plane parallel and stagger each other can.

The utility model discloses an earphone socket, among a plurality of signal terminals, the weld part coplane of some signal terminals, the weld part of another part signal terminal is in another plane, like this, makes the welding part when welding with wire rod or PCB board, can make things convenient for automation equipment to operate, has simplified earphone socket's assembling process, has improved the efficiency of assembly.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The earphone socket is characterized by comprising a hollow insulating base and a plurality of signal terminals, wherein the front end of the insulating base is provided with an earphone hole communicated with an inner cavity of the insulating base and used for inserting an earphone plug, the rear part of the insulating base is provided with a plurality of accommodating grooves communicated with the inner cavity of the insulating base, the signal terminals are in one-to-one correspondence to be connected in the accommodating grooves, signal terminal sealing covers and openings of the corresponding accommodating grooves on the rear end face of the insulating base, one ends of the signal terminals stretch into the inner cavity of the insulating base to form contact parts protruding towards the middle part of the inner cavity of the insulating base, the other ends of the signal terminals protrude out of the rear end face of the insulating base to form a sheet-shaped welding part, the welding parts of at least two signal terminals are located on a first plane, the welding parts of other signal terminals are located on a second plane, and the first plane and the second plane.

2. The earphone jack of claim 1, wherein the contact portions of the plurality of signal terminals are offset from each other in a length direction of the insulating base.

3. The earphone jack according to claim 1, wherein projections of the contact portions of the plurality of signal terminals on a radial section of the insulating base are shifted from each other in a circumferential direction of the insulating base.

4. The earphone jack of claim 1, wherein the signal terminal includes a connecting portion between the contact portion and the soldering portion, the connecting portion being inserted into the receiving groove and fixedly engaged with the dielectric base.

5. The earphone socket according to claim 4, wherein the contact portion is a contact spring provided on the connecting portion, or a contact projection projecting from an end of the connecting portion remote from the welding portion toward the inner cavity of the insulating base.

6. The earphone jack of claim 4, wherein the earphone jack comprises four signal terminals, the four signal terminals are a first signal terminal, a second signal terminal, a third signal terminal and a fourth signal terminal, respectively, and the rear end portion of the insulating base is provided with four receiving grooves corresponding to the first signal terminal, the second signal terminal, the third signal terminal and the fourth signal terminal, respectively.

7. The earphone jack of claim 6, wherein the connecting portion of the first signal terminal is disposed opposite to the connecting portion of the third signal terminal, the connecting portion of the second signal terminal is disposed opposite to the connecting portion of the fourth signal terminal, the soldering portion of the second signal terminal is formed by bending a side of the connecting portion adjacent to the first signal terminal, the soldering portion of the fourth signal terminal is formed by bending a side of the connecting portion adjacent to the third signal terminal, the soldering portion of the second signal terminal and the soldering portion of the first signal terminal are on a first plane, and the soldering portion of the third signal terminal and the soldering portion of the fourth signal terminal are on a second plane.

8. The earphone jack according to claim 7, wherein the rear ends of the connecting portions of the first signal terminal and the third signal terminal are each provided with a bent portion bent toward each other, and the welding portions of the first signal terminal and the third signal terminal are each engaged at the bent portion thereof.

9. The earphone jack of claim 7, wherein the rear end portions of the connecting portions of the second signal terminal and the fourth signal terminal are each bent to form a hook portion.

10. The earphone jack of claim 9, wherein the rear end surface of the insulating base is provided at edges of the four receiving groove openings with recesses, respectively, and the bent portions of the first and third signal terminals and the hook portions of the second and fourth signal terminals are fitted in the four recesses, respectively.