CN214478354U

CN214478354U - Earphone adapter plug, earphone wire and earphone

Info

Publication number: CN214478354U
Application number: CN202120863683.9U
Authority: CN
Inventors: 王超
Original assignee: Shenzhen Simgot Technology Co ltd
Current assignee: Shenzhen Simgot Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-10-22
Anticipated expiration: 2031-04-25

Abstract

The utility model relates to an earphone adapter plug, an earphone wire and an earphone, wherein, the earphone adapter plug comprises a sub-end plug used for being connected with an audio transmission interface of electronic equipment and a female-end socket connected with the earphone wire; the female end socket comprises a female end circuit board connected with the earphone connecting wire and a spring pin contact element arranged on the female end circuit board; the sub-terminal plug comprises a plug body and a sub-terminal circuit board electrically connected with the plug body; and the son end circuit board is provided with a conductive piece which is used for contacting with the elastic needle contact piece, and when the elastic needle contact piece contacts with the conductive piece, the female end socket is in conductive communication with the son end plug. The utility model discloses a female end socket's bullet needle contact and son electrically conductive on the end plug contact, the spring among the bullet needle contact makes the syringe needle pressurized of bullet needle contact to can guarantee well and impedance little enough with electrically conductive contact, pull out moreover and insert easily, the contact surface is not rubbed so be difficult to metal fatigue and long service life.

Description

Earphone adapter plug, earphone wire and earphone

Technical Field

The utility model relates to an electronic product accessory, the more specifically earphone patchplug, earphone cord and earphone that says so.

Background

With the rapid development of information technology, electronic devices such as mobile phones, tablet computers, cameras, recorders, video cameras, etc. are equipped with audio interfaces, and users can listen to various programs by inserting earphones into the audio interfaces. However, different electronic devices often adopt audio interfaces with different standard sizes, and because the standard sizes of the audio interfaces are different, the audio interfaces with corresponding standard sizes must be configured for use, so that various earphone cords cannot be used universally, and the manufacturing cost and the use cost are greatly increased. In addition, there are some removable plug's earphones in the market, the split type structure has been made to the earphone plug end of integral type before being about to, and one of them part is the female end of connecting the earphone, and the son end of another part connecting plug public head, son end and female end detachable connection can select the plug end that corresponds according to the audio interface of different standard sizes like this to can satisfy and just can use multiple electronic equipment to change the plug end that corresponds, the commonality is stronger, and use cost is lower.

However, in the existing plug with the split structure, the male end and the female end are connected in a pin insertion manner, so that mechanical abrasion and metal fatigue are easy to occur in the plugging and unplugging process, the female base can be loosened after long-time plugging and unplugging, poor contact is caused, the pin is easy to bend and break due to external force impact, and the pin type plug has the defect of short service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an earphone adapter plug, earphone cord and earphone.

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

in a first aspect, an earphone adapter plug includes a sub-end plug for connecting with an audio transmission interface of an electronic device, and a female-end socket connected with an earphone line; the male end plug is detachably connected with the female end socket; the female end socket comprises a female end circuit board connected with the earphone connecting wire and a spring pin contact element arranged on the female end circuit board; the sub-terminal plug comprises a plug body and a sub-terminal circuit board electrically connected with the plug body; and the son end circuit board is provided with a conductive piece which is used for contacting with the elastic needle contact piece, and when the elastic needle contact piece contacts with the conductive piece, the mother end socket is in conductive communication with the son end plug.

The further technical scheme is as follows: the elastic needle contact piece comprises a needle head, a needle tube and a spring; the tail of the needle tube is fixed on the female end circuit board, the spring and the needle head are installed in the needle tube, the needle head can move relative to the needle tube, one end of the spring abuts against the bottom of a tube hole of the needle tube, the other end of the spring abuts against the bottom of the needle head, and a limiting flange for preventing the needle head from being separated from the needle tube is arranged at the edge of the top of the needle tube.

The further technical scheme is as follows: the conductive piece is a conductive column.

The further technical scheme is as follows: the plug body is a 2.5 four-pole standard audio plug, a 3.5 three-pole standard audio plug, a 3.5 four-pole standard audio plug or a 4.4 four-pole standard audio plug; the conductive columns are four, the tail end of the plug body is in fit welding with the sub-end circuit board, so that the four conductive columns on the sub-end circuit board are respectively in conductive communication with the left auditory canal anode, the left auditory canal cathode, the right auditory canal anode and the right auditory canal cathode of the plug body.

The further technical scheme is as follows: the female terminal socket further comprises a female terminal insulating member; the female end circuit board and the elastic needle contact element are wrapped by a female end insulating element, and the female end insulating element is provided with a through hole for the needle head of the elastic needle contact element to penetrate out; the sub-end plug also comprises a sub-end insulating part butted with the female-end insulating part; the sub-terminal circuit board and the conductive piece are wrapped by the sub-terminal insulating piece.

The further technical scheme is as follows: an embedded part extends from one end of the female end insulating part connected with the male end insulating part, and a limiting groove is formed in the circumferential side surface of the embedded part; the embedded groove matched with the embedded part is formed in one end, connected with the female end insulating part, of the sub end insulating part, and the limiting protrusion matched with the limiting groove in a clamping mode is arranged on the inner side wall of the embedded groove.

The further technical scheme is as follows: the female end socket further comprises a sleeve, the sleeve wraps the secondary end insulating part and the female end insulating part, and one end of the sleeve is connected with the plug body.

The further technical scheme is as follows: the female end socket also comprises a tail sleeve; the tail sleeve is sleeved on the earphone connecting wire, and the tail sleeve is close to one end of the female end insulating part and connected with the female end insulating part.

In a second aspect, an earphone cable includes the earphone adapter plug.

In a third aspect, a headset includes the headset patch plug described above.

Compared with the prior art, the utility model beneficial effect be: the utility model discloses a female end socket's bullet needle contact and son electrically conductive on the end plug contact, the spring among the bullet needle contact makes the syringe needle pressurized of bullet needle contact to can guarantee well and impedance little enough with electrically conductive contact, pull out moreover and insert easily, the contact surface is not rubbed so be difficult to metal fatigue and long service life. And the elastic pin contact piece is arranged at the end of the female end socket, so that the cost of the sub-end plug is lower and the reliability is higher.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a diagram illustrating a relationship between a female terminal socket and a male terminal plug according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a state in which the female socket and the male plug of the embodiment of the earphone adaptor plug are combined together.

Fig. 3 is an exploded view of a sub-end plug according to an embodiment of the present invention.

Fig. 4 is an exploded view of a female socket according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a pogo pin contact in an embodiment of an earphone adapter plug of the present invention.

Reference numerals

S, connecting wires of the earphones; 1. a female end socket; 11. a female-end circuit board; 12. a pogo pin contact; 121. a needle tube; 122. a needle head; 13. a tail sleeve; 14. a female end insulator; 141. an insertion section; 1411. a limiting groove; 1412. a through hole; 15. a sleeve; 2. a sub-end plug; 21. a sub-terminal plug with a 4.4 four-pole standard audio plug; 22. a sub-terminal plug with a 3.5 four-pole standard audio plug; 221. a plug body; 222. a sub-terminal insulator; 2221. a groove is embedded; 22211. a limiting bulge; 223. a sub-terminal circuit board; 224. a conductive post; 23. sub-terminal plug with 2.5 four-pole standard audio plug.

Detailed Description

The technical solution of the present invention will be described clearly and completely below with reference to specific embodiments of the present invention, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

The utility model discloses an earphone adapter plug, which comprises a sub-end plug 2 connected with an audio transmission interface of electronic equipment (mobile phone, tablet computer, camera and recorder) and a female-end socket 1 connected with an earphone line; the male end plug 2 is detachably connected with the female end socket 1; the female socket 1 comprises a female circuit board 11 connected with the earphone connecting wire S and a spring pin contact 12 welded on the female circuit board 11; the terminal plug 2 comprises a plug body 221 and a terminal circuit board 223 electrically connected with the plug body 221; the sub-end circuit board 223 is provided with a conductive member for contacting the spring contact 12, in this embodiment, the conductive member is a conductive column 224 made of copper material. When the elastic pin contact piece 12 is contacted with the conductive piece, the female-end socket 1 is in conductive communication with the male-end plug.

Specifically, referring to fig. 5, the bullet pin contact 12 includes a pin 122, a pin tube 121 and a spring (not shown); the tail of the needle tube 121 is fixed on the female end circuit board 11, the spring and the needle 122 are installed in the needle tube 121, the needle 122 can move relative to the needle tube 121, one end of the spring abuts against the bottom of the tube hole of the needle tube 121, the other end of the spring abuts against the bottom of the needle 122, and the top edge of the needle tube 121 is provided with a limit flange for preventing the needle 122 from being separated from the needle tube 121.

When the female terminal socket 1 is connected with the male terminal plug 2, the spring in the elastic needle contact 12 makes the needle 122 of the elastic needle contact 12 contact with the conductive column 224 after being pressed, rather than the steel needle in the prior art directly contacting with the conductive column 224 in a rigid manner, so that the contact with the conductive column 224 is ensured to be good, the impedance is small enough, the pulling and the inserting are easy, the contact surface is not rubbed, metal fatigue is not easy to occur, and the service life is long.

To improve the versatility of the earphone adaptor plug, the plug body 221 of the sub-end plug 2 may directly adopt an existing standard audio plug as an insertion portion to connect with an audio interface of an electronic device, for example, please refer to fig. 1, where fig. 1 illustrates three standard audio plugs, which are a sub-end plug 23 with a 2.5 four-pole standard audio plug, a sub-end plug 22 with a 3.5 four-pole standard audio plug (this plug is illustrated in an exploded view in fig. 3), and a sub-end plug 21 with a 4.4 four-pole standard audio plug. Of course, the present invention is not limited to adopt these three standard audio plugs, and can also be a 3.5 three-pole standard audio plug or a Lightning standard plug or a TYPE-C standard plug, etc. Of course, if different standard audio plugs are used, the number of the conductive posts 224 is selected accordingly, for example, if the three standard audio plugs in fig. 1 are selected, four conductive posts 224 are needed, so that the four conductive posts 224 on the sub-terminal circuit board 223 are in conductive communication with the left ear canal positive electrode, the left ear canal negative electrode, the right ear canal positive electrode and the right ear canal negative electrode of the plug body 221 respectively.

It should be noted that, in order to facilitate the connection between the plug body and the sub-end circuit board, the plug body may improve the existing standard audio plug, and the tail section of the standard audio plug is made into a flat structure (the tail of the existing standard audio plug is generally stepped). The overall length dimension of the exchangeable plug can be further reduced.

Further, referring to fig. 3 and 4, the female socket 1 further includes a female insulator 14; the female-end circuit board 11 and the spring needle contact 12 are wrapped by the female-end insulator 14, and the female-end insulator 14 is provided with a through hole 1412 for the needle head 122 of the spring needle contact 12 to penetrate out; the sub-terminal plug 2 further includes a sub-terminal insulator 222 that is butted against the female terminal insulator 14; the sub-terminal circuit board 223 and the conductive member are wrapped by the sub-terminal insulating member 222. The female terminal insulator 14 and the male terminal insulator 222 are preferably made of an insulating rubber material.

Further, referring to fig. 3 and 4, an embedded portion 141 extends from one end of the female-end insulating member 14 connected to the male-end insulating member 222, and a limiting groove 1411 is formed on a circumferential side surface of the embedded portion 141; an inserting groove 2221 matched with the inserting part 141 is formed in one end, connected with the female-end insulating part 14, of the secondary-end insulating part 222, and a limiting protrusion 22211 matched with the limiting groove 1411 in a clamping mode is arranged on the inner side wall of the inserting groove 2221. The advantage of providing the limit groove 1411 in the insertion portion 141 and the limit protrusion 22211 in the insertion groove 2221 is to prevent the pin contact 12 from rotating together when the female socket 1 and the male plug 2 are screwed together, thereby preventing damage to the pin contact 12.

Further, referring to fig. 3 and 4, the female-end socket 1 further includes a sleeve 15, wherein one end of the sleeve 15 close to the male-end plug 2 is provided with an internal thread, the plug body 221 is provided with an external thread, and the sleeve 15 is connected with the external thread on the plug body 221 through the internal thread and wraps the male-end insulator 222 and the female-end insulator 14. The sleeve 15 can seal the joint between the spring pin contact 12 and the conductive column 224, thereby improving the sealing property and the waterproof property.

Further, referring to fig. 3 and 4, the female socket 1 further includes a tail sleeve 13 for preventing the sleeve 15 from freely moving along the earphone connection line S; the tail sleeve 13 is sleeved on the earphone connecting wire S, the tail sleeve 13 is made of metal materials, one end, close to the female end insulating part 14, of the tail sleeve 13 is a threaded end, and the nut, connected with the threaded end in a threaded mode, is installed inside one end, close to the tail sleeve 13, of the female end insulating part 14. In addition, the tail sleeve has another function of protecting the earphone connecting wire S from frequent bending to cause surface damage or breakage in use.

The utility model also discloses an earphone cord, it has included foretell earphone adapter plug, consequently, the technological effect that foretell earphone adapter plug can reach, the utility model discloses an earphone cord of this kind can have same technological effect equally.

The utility model also discloses an earphone, it has included foretell earphone adapter plug, consequently, the technological effect that foretell earphone adapter plug can reach, the utility model discloses an this kind of earphone equally can have same technological effect.

In other embodiments, the conductive elements may also be conductive patches or conductive contacts on the daughter circuit board.

In some embodiments, the sub-terminal circuit board is provided with an electronic component for tuning and a control key for controlling the electronic component to be turned on or off, and the electronic component is a resistor, a capacitor, an inductor or a decoding chip and the like.

To sum up: the utility model discloses a female end socket's bullet needle contact and son electrically conductive on the end plug contact, the spring among the bullet needle contact makes the syringe needle pressurized of bullet needle contact to can guarantee well and impedance little enough with electrically conductive contact, pull out moreover and insert easily, the contact surface is not rubbed so be difficult to metal fatigue and long service life. And the elastic pin contact piece is arranged at the end of the female end socket, so that the cost of the sub-end plug is lower and the reliability is higher. In addition, the sub-terminal circuit board of the sub-terminal plug comprises electronic components, so that functions of decoding, tuning, impedance adjustment and the like can be added under the condition of meeting the function of the replaceable plug, and the expansibility is stronger.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An earphone adapter plug is characterized by comprising a sub-end plug and a female-end socket, wherein the sub-end plug is used for being connected with an audio transmission interface of electronic equipment, and the female-end socket is connected with an earphone line; the male end plug is detachably connected with the female end socket; the female end socket comprises a female end circuit board connected with the earphone connecting wire and a spring pin contact element arranged on the female end circuit board; the sub-terminal plug comprises a plug body and a sub-terminal circuit board electrically connected with the plug body; and the son end circuit board is provided with a conductive piece which is used for contacting with the elastic needle contact piece, and when the elastic needle contact piece contacts with the conductive piece, the mother end socket is in conductive communication with the son end plug.

2. The earphone adapter plug of claim 1, wherein the pogo pin contact comprises a needle, a needle tube, and a spring; the tail of the needle tube is fixed on the female end circuit board, the spring and the needle head are installed in the needle tube, the needle head can move relative to the needle tube, one end of the spring abuts against the bottom of a tube hole of the needle tube, the other end of the spring abuts against the bottom of the needle head, and a limiting flange for preventing the needle head from being separated from the needle tube is arranged at the edge of the top of the needle tube.

3. The headset adaptor plug of claim 1, wherein said conductive member is a conductive post.

4. The earphone adapter plug according to claim 3, wherein the plug body is a 2.5 four-pole standard audio plug, a 3.5 three-pole standard audio plug, a 3.5 four-pole standard audio plug or a 4.4 four-pole standard audio plug; the conductive columns are four, the tail end of the plug body is in fit welding with the sub-end circuit board, so that the four conductive columns on the sub-end circuit board are respectively in conductive communication with the left auditory canal anode, the left auditory canal cathode, the right auditory canal anode and the right auditory canal cathode of the plug body.

5. The earphone adapter plug of claim 2, wherein said female jack further comprises a female insulator; the female end circuit board and the elastic needle contact element are wrapped by a female end insulating element, and the female end insulating element is provided with a through hole for the needle head of the elastic needle contact element to penetrate out; the sub-end plug also comprises a sub-end insulating part butted with the female-end insulating part; the sub-terminal circuit board and the conductive piece are wrapped by the sub-terminal insulating piece.

6. The earphone adapter plug according to claim 5, wherein an embedding part is extended from one end of the female-end insulator connected with the male-end insulator, and a limiting groove is formed in the circumferential side surface of the embedding part; the embedded groove matched with the embedded part is formed in one end, connected with the female end insulating part, of the sub end insulating part, and the limiting protrusion matched with the limiting groove in a clamping mode is arranged on the inner side wall of the embedded groove.

7. The earphone adapter plug of claim 6, wherein the female socket further comprises a sleeve, the sleeve surrounding the male insulator and the female insulator, and one end of the sleeve being connected to the plug body.

8. The earphone adapter plug of claim 7, wherein said female jack further comprises a boot; the tail sleeve is sleeved on the earphone connecting wire, and the tail sleeve is close to one end of the female end insulating part and connected with the female end insulating part.

9. An earphone cord, comprising the earphone adaptor plug of any one of claims 1-8.

10. An earphone comprising the earphone adaptor plug of any one of claims 1-8.