CN108377437B

CN108377437B - Earphone seat

Info

Publication number: CN108377437B
Application number: CN201810310699.XA
Authority: CN
Inventors: 李一航
Original assignee: Wuxi Ruiqin Technology Co Ltd
Current assignee: Wuxi Ruiqin Technology Co Ltd
Priority date: 2018-03-30
Filing date: 2018-03-30
Publication date: 2020-01-21
Anticipated expiration: 2038-03-30
Also published as: CN108377437A; WO2019184448A1

Abstract

The invention discloses an earphone seat, which comprises a body and a terminal group, wherein the body is provided with an earphone interface groove with an opening at a first side, the body comprises a first surface and a second surface, and the earphone interface groove penetrates through the first surface and the second surface; the body is provided with a plurality of fixing frames at intervals along the length direction, and each fixing frame comprises a first elastic sheet and a second elastic sheet; the first elastic sheet, the second elastic sheet and two opposite groove walls of the earphone interface groove form an earphone plug cavity; when the earphone plug is inserted, the volume of the cavity of the earphone plug is increased under the deformation effect of the first elastic sheet and the second elastic sheet; according to the invention, the first elastic sheet and the second elastic sheet are arranged, so that the first elastic sheet and the second elastic sheet deform when the earphone plug is inserted, and the volume of the cavity of the earphone plug is increased, so that the earphone plug can enter the cavity; the design not only greatly reduces the thickness of the earphone seat, but also enables the earphone seat to be thinner and lighter, and can increase the fastening force when the earphone plug is inserted, so that the earphone plug is prevented from being separated from the earphone plug cavity.

Description

Earphone seat

Technical Field

The invention relates to the technical field of terminals, in particular to an earphone seat.

Background

With the continuous progress of terminal technology and the continuous improvement of consumer requirements, the thickness requirements of terminals such as mobile phones, notebooks, tablet computers and the like are also increasingly thinner, and an important factor for limiting the thickness of the terminals is the thickness of the earphone seat, so that the thinning of the earphone seat becomes an important subject.

Chinese patent application 201420420231.3 discloses an earphone socket for an electronic device, the earphone socket having a cavity structure for receiving an earphone plug, the cavity structure including a telescopic reset component; the telescopic reset assembly enables the cavity structure to be opened when the earphone plug is inserted, and enables the cavity structure to be closed when the earphone plug is pulled out. The cavity structure comprises more than two parts, the parts are connected through the telescopic reset assembly, the cavity structure is opened when the earphone plug is inserted, and the cavity structure is closed when the earphone plug is pulled out.

Although the problem of thickness is solved to a certain extent, the ultra-thin requirement of the consumer still cannot be met, and therefore, an earphone seat with an ultra-thin structure is needed.

Disclosure of Invention

The present invention is directed to an earphone socket to solve the above problems.

In order to achieve the purpose, the invention adopts the following technical scheme:

an earphone seat is used for being plugged with an earphone plug and comprises a body and a terminal group which is integrally formed on the body, wherein an earphone interface slot is formed in the body, an opening is formed in the first side of the earphone interface slot, the body comprises a first surface and a second surface which are oppositely arranged, and the earphone interface slot penetrates through the first surface and the second surface;

the body is provided with a plurality of fixing frames at intervals along the length direction, and the fixing frames comprise first elastic sheets and second elastic sheets; an earphone plug cavity used for limiting the earphone plug is formed in two opposite groove walls of the first elastic sheet, the second elastic sheet and the earphone interface groove;

and in the process of inserting the earphone plug into the earphone plug cavity, the earphone plug gradually pushes the first elastic sheet and the second elastic sheet outwards, and the volume of the earphone plug cavity is continuously increased until the earphone plug is completely inserted into the earphone interface slot.

Optionally, the fixing frame is made of an elastic metal material.

Optionally, the first elastic sheet includes a first sliding portion and a first limiting portion, and one end of the first sliding portion and one end of the first limiting portion are respectively and integrally formed and fixedly connected to two opposite slot walls of the earphone interface slot; the second elastic sheet comprises a second sliding part and a second limiting part, and one end of the second sliding part and one end of the second limiting part are respectively and integrally formed and fixedly connected with two opposite groove walls of the earphone interface groove;

the first sliding part is provided with a first sliding table, the first limiting part is provided with a first sliding groove corresponding to the first sliding table, and the first sliding table can slide in the first sliding groove; the second sliding portion is provided with a second sliding table, the second limiting portion is provided with a second sliding groove corresponding to the second sliding table, and the second sliding table can slide in the second sliding groove.

Optionally, the first sliding table extends outwards from the first sliding portion and is limited in the first sliding groove; the second sliding table extends outwards from the second sliding part and is limited in the second sliding groove.

Optionally, when the earphone seat is in an initial state, the first sliding portion, the first limiting portion, the second sliding portion, and the second limiting portion do not protrude from the first surface and the second surface of the body.

Optionally, the first elastic sheet is provided with a first guide block at one side facing the insertion direction of the earphone plug, and the second elastic sheet is provided with a second guide block at one side facing the insertion direction of the earphone plug.

Optionally, a first terminal groove, a second terminal groove and a third terminal groove are sequentially arranged on a groove wall of the earphone interface groove in a direction from an opening of the earphone interface groove to a groove bottom; a fourth terminal groove corresponding to the third terminal groove is formed in the other opposite groove wall; the terminal group comprises a first terminal, a second terminal, a third terminal, a fourth terminal and a fifth terminal;

the first terminal comprises a first contact part, a first fixing part and a first pin, the first contact part is positioned in the first terminal groove, the first fixing part is integrally formed in the body, and the first pin is exposed outside the body;

the second terminal comprises a second contact part, a second fixing part and a second pin, the second contact part is positioned in the second terminal groove, the second fixing part is integrally formed in the body, and the second pin is exposed outside the body;

the third terminal comprises a third contact part, a third fixing part and a third pin, the third contact part is positioned in the third terminal groove, the third fixing part is integrally formed in the body, and the third pin is exposed outside the body;

the fourth terminal comprises a fourth contact part, a fourth fixing part and a fourth pin, the fourth contact part is positioned in the fourth terminal groove, the fourth fixing part is integrally formed in the body, and the fourth pin is exposed outside the body;

the fifth terminal comprises a fifth contact part, a fifth fixing part and a fifth pin, the fifth contact part is positioned in the fourth terminal groove and at one side of the groove wall of the fourth contact part facing the earphone interface groove at intervals, the fifth fixing part is integrally formed in the body, and the fifth pin is exposed outside the body.

Optionally, the third terminal further includes a clamping portion, a blocking portion is disposed on one side, which is close to the third terminal groove, of the groove bottom of the earphone interface groove, and the blocking portion limits movement of the clamping portion.

Optionally, the number of the fixing frames is two, one of the fixing frames is arranged at the opening of the earphone interface slot, and the other fixing frame is arranged at the position, close to the slot, of the earphone interface slot.

Optionally, the fixing frame extends outwards to form a grounding pin exposed outside the body.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

according to the invention, the first elastic sheet and the second elastic sheet are arranged, so that the first elastic sheet and the second elastic sheet deform when the earphone plug is inserted, and the volume of the cavity of the earphone plug is increased, so that the earphone plug can enter the cavity; the design not only greatly reduces the thickness of the earphone seat, but also enables the earphone seat to be thinner and lighter, and can increase the fastening force when the earphone plug is inserted, so that the earphone plug is prevented from being separated from the earphone plug cavity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and 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 these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an earphone socket according to an embodiment of the present invention when an earphone plug is inserted, in which the earphone plug and the earphone socket are separately displayed to clearly show the structure of a fixing frame of the earphone socket;

fig. 2 is a schematic structural diagram of an earphone seat according to an embodiment of the present invention;

fig. 3 is a front view of an earphone jack according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a body of an earphone jack according to an embodiment of the present invention.

In the figure:

10. a body; 11. a first terminal groove; 12. a second terminal groove; 13. a third terminal groove; 14. a fourth terminal groove; 15. a blocking portion; 16. a headphone interface slot; 17. a first surface; 18. a second surface; 21. a first terminal; 22. a second terminal; 23. a third terminal; 231. a fastening part; 24. a fourth terminal; 25. a ground pin; 26. a fifth terminal; 30. a fixed mount; 31. a first spring plate; 311. a first sliding section; 312. a first restriction section; 32. a second elastic sheet; 321. a second sliding section; 322. a second restriction portion; 40. an earphone plug.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. 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 is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Referring to fig. 1 to 3, an earphone jack for plugging an earphone plug 40 includes a body 10 and a terminal set integrally formed on the body, the body 10 is provided with an earphone interface slot 16, a first side of the earphone interface slot 16 is provided with an opening, the earphone interface slot 16 penetrates through a first surface 17 and a second surface 18 of the body, and the first surface 17 and the second surface 18 are opposite. For convenience of description, in the present embodiment, the walls of the earphone interface slot 16 on both sides adjacent to the opening are defined as slot walls, and the wall opposite to the opening is defined as a slot bottom; on one groove wall of the headphone interface groove 16, a first terminal groove 11, a second terminal groove 12, and a third terminal groove 13 are provided in this order from the opening of the headphone interface groove 16 to the groove bottom. On the opposite other groove wall, a fourth terminal groove 14 corresponding to the third terminal groove 13 is provided. The terminal group includes a first terminal 21, a second terminal 22, a third terminal 23, a fourth terminal 24, and a fifth terminal 26.

The first terminal 21 includes a first contact portion, a first fixing portion and a first pin, the first contact portion is located in the first terminal groove 11, the first fixing portion is integrally formed in the body 10, and the first pin is exposed outside the body 10. The second terminal 22 includes a second contact portion located in the second terminal groove 12, a second fixing portion integrally formed in the body 10, and a second pin exposed outside the body 10. The third terminal 23 includes a third contact portion, a third fixing portion and a third pin, the third contact portion is located in the third terminal groove 13, the third fixing portion is integrally formed in the body 10, and the third pin is exposed outside the body 10. The fourth terminal 24 includes a fourth contact portion, a fourth fixing portion and a fourth pin, the fourth contact portion is located in the fourth terminal groove 14, the fourth fixing portion is integrally formed in the body 10, and the fourth pin is exposed outside the body 10.

The fifth terminal 26 includes a fifth contact portion, a fifth fixing portion and a fifth pin, the fifth contact portion is located in the fourth terminal groove and spaced apart from the fourth contact portion on one side of the groove wall facing the earphone interface groove, the fifth fixing portion is integrally formed in the body 10, and the fifth pin is exposed outside the body 10.

For convenience of description, in the present embodiment, the state in which the headphone plug 40 is not inserted is defined as an initial state, and the state after the headphone plug 40 is inserted is defined as an inserted state. In the initial state, the fourth contact part is not in contact with the fifth contact part. In the inserted state, the fourth contact portion is pressed to be deformed so as to be in contact with the fifth contact portion.

Specifically, the third terminal 23 further includes an engaging portion 231, a blocking portion 15 is disposed at a position where the groove bottom of the earphone interface groove 16 is biased to the third terminal groove 13, and the blocking portion 15 is used for limiting movement of the engaging portion 231, so as to prevent the third terminal 23 from tilting due to long-term insertion and extraction, and influence on insertion and extraction and contact performance of the earphone seat.

Specifically, in the embodiment, the first terminal 21 is a ground terminal, the second terminal 22 is a microphone terminal, the third terminal 23 is a left channel terminal, the fourth terminal 24 is a right channel terminal, and the fifth terminal 26 is a detection terminal, when the earphone plug 40 is inserted, the fourth contact portion of the fourth terminal 24 contacts with the fifth contact portion of the fifth terminal 26, so as to complete the circuit, and complete the transmission of the detection signal. Of course, in other embodiments, this is not a limitation.

For convenience of description, in the present embodiment, D is defined as a thickness direction of the body 10, and L is defined as a length direction of the body 10. The earphone seat of this embodiment further includes two fixing frames 30 arranged along the length direction of the body 10, each fixing frame 30 includes a first elastic sheet 31 and a second elastic sheet 32, the first elastic sheet 31 and the second elastic sheet 32 are arranged along the thickness direction of the body 10, and the first elastic sheet 31, the second elastic sheet 32 and two groove walls of the earphone interface groove 16 form an earphone plug cavity for limiting the earphone plug 40.

The holder 30 is made of a resilient metal material, which may be spring steel, beryllium copper, or the like.

The first elastic sheet 31 includes a first sliding portion 311 and a first limiting portion 312, and the first sliding portion 311 and the first limiting portion 312 are respectively fixedly connected to two opposite groove walls of the headphone interface groove 16. The second elastic sheet 32 includes a second sliding portion 321 and a second limiting portion 322, and the second sliding portion 321 and the second limiting portion 322 are respectively and fixedly connected to two opposite groove walls of the headphone interface groove 16.

It should be noted that the earphone seat of the present embodiment includes two fixing frames 30 only in one implementation manner, and the number of the fixing frames 30 of the present invention is not limited, and the number of the fixing frames may be one, three, and the like, and the two fixing frames are also within the protection scope of the present invention.

Specifically, the fixing frame 30 facing the insertion direction of the earphone plug 40 is extended outward with a grounding pin 25 exposed outside the body 10.

Specifically, one end of the first sliding portion 311 is provided with a first sliding table, one end of the first limiting portion 312 is provided with a first sliding groove corresponding to the first sliding table, and the first sliding table can slide in the first sliding groove. For convenience of description, in this embodiment, the moving direction of the first sliding table is defined as the length direction of the first sliding chute. The length dimension of the first sliding chute is greater than or equal to the movement distance of the first sliding table after the earphone plug 40 is completely inserted.

Specifically, one end of the second sliding portion 321 is provided with a second sliding table, one end of the second limiting portion 322 is provided with a second sliding groove corresponding to the second sliding table, and the second sliding table can slide in the second sliding groove. For convenience of description, in this embodiment, the moving direction of the second sliding table is defined as the length direction of the second sliding chute. The length dimension of the second sliding chute is greater than or equal to the movement distance of the second sliding table after the earphone plug 40 is completely inserted.

Specifically, the first sliding table extends outwards from the first sliding portion 311 and is limited in the first sliding groove; the second sliding table extends outward from the second sliding portion 321 and is limited in the second sliding groove.

Specifically, the first elastic sheet 31 is provided with a first guide block at a side facing the insertion direction of the earphone plug 40, and the second elastic sheet 32 is provided with a second guide block facing the insertion direction of the earphone plug 40.

Specifically, the first sliding portion 311, the first limiting portion 312, the second sliding portion 321, and the second limiting portion 322 are all fixed by integrally molding a part of them in the body 10. In the initial state, neither the first elastic sheet 31 nor the second elastic sheet 32 protrudes from the first surface 17 or the second surface 18 of the body 10.

The working principle is as follows: when headphone plug 40 inserts, get into headphone plug cavity under the direction of first guide block and second guide block in, insert headphone plug cavity in-process with headphone plug 40, headphone plug 40 outwards pushes first shell fragment 31 and second shell fragment 32 gradually, at this moment, deformation takes place for first shell fragment 31 and second shell fragment 32, drive first slip table and slide in first spout, the second slip table slides in the second spout, thereby increase headphone plug cavity's volume, in order to supply headphone plug 40 to get into. After the earphone plug 40 enters, the earphone plug is sequentially contacted with the first terminal 21, the second terminal 22, the third terminal 23 and the fourth terminal 24, and the fourth terminal 24 is contacted with the fifth terminal 26 under the deformation, so that the circuit of the earphone work is switched on. Meanwhile, due to the elastic force action of the first elastic sheet 31 and the second elastic sheet 32, the fixing of the earphone plug 40 in the earphone plug cavity becomes more stable, and the earphone plug 40 is not easy to be separated from the earphone plug cavity.

The earphone seat provided by the embodiment has the following beneficial effects:

1. through setting up the part 15 that blocks, blocked the motion of the block part 231 of third terminal 23, prevented that long-term plug from leading to third terminal 23 to take place the perk, influence earphone seat's plug and contact performance.

2. By arranging the first elastic sheet 31 and the second elastic sheet 32, the first elastic sheet 31 and the second elastic sheet 32 deform when the earphone plug 40 is inserted, so that the volume of the cavity of the earphone plug is increased, and the earphone plug 40 can enter the cavity; so design has not only greatly reduced the thickness of earphone seat for the earphone seat is more frivolous, can also increase fastening force when earphone plug 40 inserts, prevents that earphone plug 40 from deviating from the earphone plug cavity.

3. Through setting up first guide block and second guide block, provide the guide effect for headphone plug's insertion, increased headphone plug's insertion experience.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An earphone seat is used for being plugged with an earphone plug and comprises a body and a terminal group which is integrally formed on the body, wherein an earphone interface slot is formed in the body, an opening is formed in the first side of the earphone interface slot, the earphone seat is characterized in that the body comprises a first surface and a second surface which are oppositely arranged, and the earphone interface slot penetrates through the first surface and the second surface;

in the process of inserting the earphone plug into the earphone plug cavity, the earphone plug gradually pushes the first elastic sheet and the second elastic sheet outwards, and the volume of the earphone plug cavity is continuously increased until the earphone plug is completely inserted into the earphone interface slot;

the first elastic sheet comprises a first sliding part and a first limiting part, and one end of the first sliding part and one end of the first limiting part are respectively and integrally formed and fixedly connected to two opposite groove walls of the earphone interface groove; the second elastic sheet comprises a second sliding part and a second limiting part, and one end of the second sliding part and one end of the second limiting part are respectively and integrally formed and fixedly connected with two opposite groove walls of the earphone interface groove;

2. The headset holder of claim 1, wherein the holder is made of a resilient metal material.

3. The earphone seat according to claim 1, wherein the first sliding platform extends outward from the first sliding portion and is limited in the first sliding groove; the second sliding table extends outwards from the second sliding part and is limited in the second sliding groove.

4. The headset holder of claim 1, wherein the first sliding portion, the first limiting portion, the second sliding portion, and the second limiting portion do not protrude from the first surface and the second surface of the body in an initial state of the headset holder.

5. The earphone jack of claim 1, wherein the first resilient tab has a first guide block on a side facing a plug insertion direction of the earphone, and the second resilient tab has a second guide block on a side facing the plug insertion direction of the earphone.

6. The earphone jack of claim 1, wherein a first terminal groove, a second terminal groove, and a third terminal groove are sequentially formed on a groove wall of the earphone interface groove from an opening of the earphone interface groove to a groove bottom; a fourth terminal groove corresponding to the third terminal groove is formed in the other opposite groove wall; the terminal group comprises a first terminal, a second terminal, a third terminal, a fourth terminal and a fifth terminal;

7. The earphone jack of claim 6, wherein the third terminal further comprises a snap-fit portion, wherein a stop portion is disposed on a side of the bottom of the earphone interface slot that is biased toward the third terminal slot, and wherein the stop portion limits movement of the snap-fit portion.

8. The earphone jack of claim 1, wherein the number of the fixing frames is two, one of the fixing frames is disposed at the opening of the earphone jack slot, and the other fixing frame is disposed at the position of the earphone jack slot close to the slot.

9. The earphone jack of claim 1, wherein a grounding pin exposed outside the body extends outward from the fixing frame facing a side of the earphone plug insertion direction.