CN212571468U

CN212571468U - Earphone socket

Info

Publication number: CN212571468U
Application number: CN202021093523.2U
Authority: CN
Inventors: 吴正恩; 魏跑锋
Original assignee: Zhejiang Chunsheng Electronics Co ltd
Current assignee: Zhejiang Chunsheng Electronics Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-19
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses an earphone socket, it includes insulating pedestal and accept in several conductive terminal in the insulating pedestal, insulating pedestal includes spliced eye, relative both sides portion and forms two breach between the lateral part, the spliced eye with the breach link up, the breach runs through forward insulating pedestal, conductive terminal includes a ground connection terminal at least, ground connection terminal includes the shell fragment, the shell fragment passes the breach gets into spliced eye, at least one the lateral part protrusion forward in shell fragment, lateral part can carry out structural protection to the shell fragment, avoid earphone socket at equipment, turnover in-process, the shell fragment is touched and is warp, guarantees ground connection terminal's ground connection function.

Description

Earphone socket

Technical Field

The utility model relates to an electric connector technical field especially relates to an earphone socket with ground terminal.

Background

With the development of wireless communication technology and the rise and fall of high technology, mobile phones, notebook computers or other electronic communication products tend to be miniaturized more and more, and the functions tend to be rich and diversified, so as to meet the requirements of users. Earphone sockets with sound-producing effects are widely used, and the main function of the earphone sockets is to provide voice signal transmission of electronic products.

Please refer to chinese utility model publication No. 203800237, which discloses an earphone socket, it includes insulating pedestal and assembles several conductive terminal in insulating pedestal, insulating pedestal is equipped with a spliced eye and a breach, the breach is located insulating pedestal front end to link up with the spliced eye, conductive terminal contains ground terminal, signal terminal and switch terminal etc. ground terminal has the shell fragment that passes the breach and get into the spliced eye, because the shell fragment front end exposes in insulating pedestal front end face, lead to earphone socket in the equipment, the turnover in-process, the shell fragment is very easily touched and warp, earphone socket earthing terminal short circuit failure can appear in the shell fragment upwards warp, the phenomenon that the plug can't insert earphone socket can appear in the shell fragment downward deformation.

Therefore, there is a need to design a new earphone socket to solve the above technical problems.

Disclosure of Invention

An object of the utility model is to provide an earphone socket with prevent ground terminal functional failure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an earphone socket comprises an insulating base body and a plurality of conductive terminals accommodated in the insulating base body, wherein the insulating base body comprises a plug hole, two opposite side portions and a gap formed between the two side portions, the plug hole is communicated with the gap, the gap penetrates through the insulating base body forwards, the conductive terminals at least comprise a grounding terminal, the grounding terminal comprises an elastic sheet, the elastic sheet penetrates through the gap to enter the plug hole, and at least one side portion protrudes forwards out of the elastic sheet.

In a further improvement, the front ends of the two side parts are aligned and both protrude forwards from the elastic sheet.

In a further improvement, the front end of the elastic sheet is provided with a C-shaped first contact part, the first contact part is provided with an arc surface facing forwards and upwards, and the first contact part is partially positioned in the notch and extends into the plug hole.

In a further improvement, the insulating base comprises a top wall, a bottom wall and two side walls, the bottom wall and the two side walls are located below the top wall, the insertion holes are located between the top wall, the bottom wall and the two side walls, and the gap is formed in one of the top wall, the bottom wall and the side walls.

In a further improvement, the ground terminal is assembled upward on the insulating base and includes a first base, a second fixing portion bent upward from the left and right ends of the first base, and a first welding leg bent and extended from the first fixing portion, the first fixing portion has a clamping piece clamped and fixed with the insulating base, and the elastic piece is bent forward and upward from the first base.

In a further improvement, the conductive terminal includes a first signal terminal inserted and fixed in the insulating base, the first signal terminal includes a second base, a second contact portion protruding inside the second base, and a second soldering pin bent and extended from the second base to the outside, the second base of the first signal terminal is in a vertical plate shape, and the second contact portion of the first signal terminal is located in the insertion hole.

In a further improvement, the conductive terminal includes a second signal terminal inserted and fixed into the insulating base, the second signal terminal includes a third base portion in a horizontal plate shape, a third contact portion extending forward and downward from the third base portion, a third fixing portion extending from left and right ends of the third base portion and bent downward and a third solder leg extending from one of the third fixing portions and bent outward, and the third contact portion of the second signal terminal is located in the insertion hole.

In a further improvement, the outer side surface of the insulating base body is provided with a buckling block, the third fixing part of the second signal terminal is provided with a buckling hole, and the buckling block is buckled with the buckling hole.

In a further improvement, the conductive terminal further comprises a movable terminal and a fixed terminal, the movable terminal comprises a fourth base, a fourth contact part bent and extended backward and inward from the front end of the fourth base, a lapping part arranged at the rear end of the fourth contact part and a fourth welding foot bent and extended outward from the fourth base, the fourth contact part of the movable terminal is located in the plug hole, the lapping part abuts against the fixed terminal, and when an earphone plug is inserted into the plug hole, the lapping part is disconnected from the fixed terminal.

In a further improvement, the fixed terminal includes a fifth base portion, fifth fixing portions vertically bent and extended forward from left and right ends of the fifth base portion, and a fifth welding pin bent and extended outward from one of the fifth fixing portions, and the fifth base portion of the fixed terminal is perpendicular to a plugging and unplugging direction of the earphone plug and is provided with a yielding hole for preventing the earphone plug from touching the fifth base portion; the other of the fifth fixing portions of the stationary terminal is provided with a notch in which the fourth contact portion of the movable terminal is partially located.

The utility model discloses at least one of earphone socket the lateral part protrusion forward in shell fragment, lateral part can carry out structural protection to the shell fragment, avoid earphone socket at equipment, turnover in-process, the shell fragment is touched and is warp, guarantees the ground connection function of ground terminal.

Drawings

Fig. 1 is a perspective view of the earphone socket and the earphone plug of the present invention.

Fig. 2 is a perspective view of the earphone socket of the present invention.

Fig. 3 is a front view of the earphone jack of the present invention.

Fig. 4 is a sectional view taken along a-a of fig. 3.

Fig. 5 is a bottom view of the earphone socket of the present invention.

Fig. 6 is a perspective view of the earphone socket according to the present invention, in which the grounding terminal and the insulating base are separated from each other.

Fig. 7 is an exploded perspective view of the earphone jack of the present invention.

Fig. 8 is a perspective view of the insulation base of the earphone socket of the present invention.

Fig. 9 is a perspective view of the ground terminal of the earphone jack of the present invention.

Detailed Description

Referring to fig. 1 to 9, an embodiment of the present invention discloses an earphone socket 100, which includes an insulating base 10 and a plurality of conductive terminals assembled in the insulating base 10, wherein the conductive terminals include a ground terminal 20, a first signal terminal 31, a second signal terminal 32, a movable terminal 41, a stationary terminal 42 and a pressing terminal 50.

Insulating pedestal 10 includes roof 11, diapire 12 relative with roof 11, relative both sides wall 13 and be located roof 11, jack 14 between diapire 12 and the both sides wall 13, roof 11 and diapire 12 are equipped with respectively and supply conductive terminal to insert fixed several terminal groove, roof 11 is equipped with the through-hole 110 that runs through roof 11, through-hole 110 link up with jack 14, diapire 12 front end includes left and right sides relative both sides portion 121 and forms the breach 122 between this both sides portion 121, the front end of both sides portion 121 aligns, breach 122 runs through insulating pedestal 10 forward, both sides wall 13 lateral surface is equipped with buckle piece 130. In other embodiments, the notch is provided in the top wall or the side wall.

The ground terminal 20 is assembled on the insulating housing 10 upward, and includes a horizontal first base 211, a spring plate 212 extending forward and upward from the first base 211, first fixing portions 213 vertically bending and extending upward from the left and right ends of the first base 211, and a first soldering pin 215 bending and extending outward from one of the first fixing portions 213 to the insulating housing 10. The front end of the spring 212 is curled and has a C-shaped first contact portion 214 at the end, and the first contact portion 214 has an arc surface facing forward and upward. The first contact portion 214 is partially located in the notch 122 of the insulating base 10 and extends into the plug hole 14 for electrically contacting with the earphone plug 200, the first fixing portion 213 is upwardly inserted into a corresponding terminal slot fixed on the insulating base 10, and the first fixing portion 213 is punched with a retaining piece 2130 for retaining with an inner wall of the terminal slot. Two sides 121 of the notch 122 protrude forward from the elastic sheet 212 to structurally protect the elastic sheet 212, so that the elastic sheet 212 is prevented from being deformed by touching in the assembling and transferring processes of the earphone socket 100, the grounding function of the grounding terminal 20 is ensured, and the front end of the elastic sheet 212 is curled to prevent the elastic sheet 212 from being deformed by being supported by the earphone plug 200. In other embodiments, one of the side portions 121 protrudes forward from the elastic piece 212, and the other side portion 121 does not protrude forward from the elastic piece 212.

The first signal terminal 31 is assembled on one of the sidewalls 13 of the insulating housing 10, and includes a second base portion 311, a second contact portion 314 protruding from the inner side of the second base portion 311, and a second soldering foot 315 bent and extended from the lower edge of the second base portion 311 to the outer side. The second base 311 is a vertical plate, the second contact portion 314 is an arc shape, and is formed on the inner side of the second base 311 by punching, and the second contact portion 314 is located in the insertion hole 14 of the insulating base 10 and is used for electrically contacting with the earphone plug 200.

The second signal terminal 32 is assembled on the insulating housing 10 downward, and includes a horizontal plate-shaped third base 321, an arc-shaped third contact portion 324 extending forward and downward from the third base 321, a third fixing portion 323 extending from the left and right ends of the third base 321 by bending downward, and a third soldering foot 325 extending from the lower edge of one of the third fixing portions 323 by bending outward. The third contact portion 324 passes through the through hole 110 of the insulation base 10 and enters the jack 14 for the earphone plug 200 to electrically contact. The third fixing portion 323 has a fastening hole 3230 fastened to the fastening block 130 of the insulating base 10.

The movable terminal 41 and the fixed terminal 42 form a switch, and are respectively assembled in the insulating base 10 forward, the movable terminal 41 includes a fourth base 411, an arc-shaped fourth contact portion 414 bent and extended backward and inward from the front end of the fourth base 411, a bridging portion 412 disposed at the rear end of the fourth contact portion 414, and a fourth welding pin 415 bent and extended outward from the fourth base 411, the fourth contact portion 414 is located in the insertion hole 14 of the insulating base 10, the bridging portion 412 is abutted inward against the fixed terminal 42, when the headphone plug 200 is inserted in place, the headphone plug 200 presses the fourth contact portion 414 to drive the bridging portion 412 to swing outward, so that the bridging portion 412 is disconnected from the fixed terminal 42, and the function of the switch is realized.

The fixed terminal 42 includes a fifth base 421, fifth fixing portions 423 bent and extended forward from left and right ends of the fifth base 421, and fifth welding feet 424 bent and extended outward from one of the fifth fixing portions 423, the fifth base 421 is vertical plate-shaped and perpendicular to the inserting and pulling direction of the headphone plug 200, the fifth base 421 is provided with a relief hole 4110 for preventing the headphone plug 200 from touching the fifth base 421, the other fifth fixing portion 423 is overlapped with the movable terminal 41, the other fifth fixing portion 423 is provided with a notch 4230 located in front of the overlapping portion 412, the fourth contact portion 414 of the movable terminal 41 is partially located in the notch 4230, and a movement space of the fourth contact portion 414 is provided.

The pressing terminal 50 is assembled on the sidewall 13 of the insulating base 10 upward for providing a holding force for the earphone plug 200, and the pressing terminal 50 has no welding pin. The press-fit terminal 50 includes a sixth base 511 and an arc-shaped sixth contact portion 514 punched inside the sixth base 51, the sixth base 511 is in a vertical plate shape, the sixth contact portion 514 is located in the inserting hole 14, and the sixth contact portion 514 is located on the left and right sides of the inserting hole 14 opposite to the fourth contact portion 414 of the movable terminal 41.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

Claims

1. The utility model provides an earphone socket, its includes insulating pedestal and accept in several conductive terminal in the insulating pedestal, insulating pedestal includes spliced eye, relative both sides portion and forms two the breach between the lateral part, the spliced eye with the breach link up, the breach runs through forward the insulating pedestal, conductive terminal includes a ground terminal at least, ground terminal includes the shell fragment, the shell fragment passes the breach gets into the spliced eye, its characterized in that: at least one side part protrudes forwards from the elastic sheet.

2. The headphone jack of claim 1, wherein: the front ends of the two side parts are aligned and both protrude forwards from the elastic sheet.

3. The headphone jack of claim 1, wherein: the front end of the elastic sheet is provided with a C-shaped first contact part, the first contact part is provided with an arc surface facing to the front and the upper part, and the first contact part is partially positioned in the notch and extends into the plug hole.

4. The headphone jack of claim 1, wherein: the insulating base body comprises a top wall, a bottom wall and two side walls, wherein the bottom wall and the two side walls are positioned below the top wall, the plug holes are positioned between the top wall, the bottom wall and the two side walls, and the gap is formed in one of the top wall, the bottom wall and the side walls.

5. The headphone jack of claim 1, wherein: the grounding terminal is assembled on the insulating base body upwards and comprises a first base part, a first fixing part and a first welding pin, wherein the first fixing part is bent upwards from the left end and the right end of the first base part, the first welding pin is bent and extends from the first fixing part, the first fixing part is provided with a clamping sheet which is clamped and fixed with the insulating base body, and the elastic sheet is bent forwards and upwards from the first base part.

6. The headphone jack of claim 1, wherein: the conductive terminal comprises a first signal terminal which is upwards inserted and fixed in the insulating base body, the first signal terminal comprises a second base part, a second contact part which is convexly arranged on the inner side of the second base part and a second welding pin which is bent and extended from the second base part to the outer side, the second base part of the first signal terminal is in a vertical plate shape, and the second contact part of the first signal terminal is positioned in the plug hole.

7. The headphone jack of claim 1, wherein: the conductive terminal comprises a second signal terminal which is inserted and fixed in the insulating base body downwards, the second signal terminal comprises a horizontal plate-shaped third base part, a third contact part extending forwards and downwards from the third base part in a downward inclined mode, a third fixing part vertically extending from the left end and the right end of the third base part in a downward bending mode and a third welding foot extending from one of the third fixing parts in an outward bending mode, and the third contact part of the second signal terminal is located in the plug hole.

8. The headphone jack of claim 7, wherein: the outer side surface of the insulating seat body is provided with a buckling block, the third fixing part of the second signal terminal is provided with a buckling hole, and the buckling block is buckled with the buckling hole.

9. The headphone jack of claim 1, wherein: the conductive terminal further comprises a movable terminal and a fixed terminal, the movable terminal comprises a fourth base part, a fourth contact part, a lap joint part and a fourth welding foot, the fourth contact part extends backwards and inwards from the front end of the fourth base part in a bending mode, the lap joint part is arranged at the rear end of the fourth contact part, the fourth welding foot extends outwards from the fourth base part in a bending mode, the fourth contact part of the movable terminal is located in the plug-in hole, the lap joint part abuts against the fixed terminal, and when an earphone plug is inserted into the plug-in hole, the lap joint part is disconnected with the fixed terminal.

10. The headphone jack of claim 9, wherein: the fixed terminal comprises a fifth base part, fifth fixing parts and a fifth welding pin, wherein the fifth fixing parts are bent forwards and vertically extend from the left end and the right end of the fifth base part, the fifth welding pin is bent outwards from one of the fifth fixing parts, the fifth base part of the fixed terminal is perpendicular to the plugging direction of the earphone plug, and a yielding hole is formed in the fifth base part and used for preventing the earphone plug from touching the fifth base part; the other of the fifth fixing portions of the stationary terminal is provided with a notch in which the fourth contact portion of the movable terminal is partially located.