CN202423607U

CN202423607U - Audio socket connector

Info

Publication number: CN202423607U
Application number: CN 201120558051
Authority: CN
Inventors: 蔡佳谚; 罗志兵
Original assignee: Suyin Electronics Dongguan Co Ltd
Current assignee: Suyin Electronics Dongguan Co Ltd
Priority date: 2011-12-28
Filing date: 2011-12-28
Publication date: 2012-09-05
Anticipated expiration: 2021-12-28

Abstract

The utility model discloses an audio socket connector. The audio socket connector comprises an insulating body, a plurality of conductive terminals which are accommodated in the insulating body, and a switch terminal group, wherein the front end of the insulating body is recessed to the rear end of the insulating body to form a plugging hole into which a butt-joint audio plug is plugged; the switch terminal group comprises a movable contact sheet terminal and a stationary contact sheet terminal, which can be pressed against each other or separated from each other; and the movable contact sheet terminal is provided with a touch part which can extend to the tail end of the plugging hole. Therefore, each conductive terminal is positioned at the front end of the switch terminal, and when the butt-joint audio plug is plugged into the audio socket connector, the audio plug is pressed against each conductive terminal and then touches the touch part of the switch terminal group to drive the switch terminal group to perform switching operation, so perfect contact of the butt-joint audio plug and the audio socket connector can be realized, and the defect of noise caused by incomplete plugging of the audio plug and the audio socket connector in the prior art is overcome.

Description

Audio socket connector

Technical field

The utility model relates to the electric connector field technology, refers in particular to a kind of audio socket connector.

Background technology

Audio socket connector is a kind of electronic device that is widely used in the transfer voice process, and headset plug is inserted in this audio socket connector, promptly can listen to the sound of music, broadcasting through earphone.

Audio socket connector has an insulating body usually and is fixed on two groups of terminals on the insulating body.When headset plug inserted audio socket connector, wherein one group of terminal contacted with headset plug, carries out sound playing with the loud speaker that audio signal is delivered to earphone, and this group terminal is defined as the conducting terminal group.Terminal in another group terminal breaks off or butt with another terminal under the pushing and pressing of headset plug, thereby cuts off the broadcast that electronic product itself carries loud speaker, and this group terminal is defined as switch terminal set.

Audio socket connector during existing skill is stated comprises insulating body and is fixed on conducting terminal group and the switch terminal set on the insulating body that this insulating body is provided with one and supplies the spliced eye of headset plug insertion.This conducting terminal group has first conducting terminal and second conducting terminal at least, this first conducting terminal and second conducting terminal respectively with the headset plug butt.

This switch terminal has movable contact spring terminal and static contact terminal, and this movable contact spring terminal and static contact terminal all have the contact site that is tabular fixed part, stretches out from the fixed part front end and be used to be welded to the leg portion on the pcb board.The fixed part of this movable contact spring terminal and static contact terminal is inlaid in the front end of insulating body near spliced eye.

It is not enough below the audio socket connector of this structure exists: because the switch terminal installation is earlier; Also do not contact when complete at headset plug and each conducting terminal; Switch terminal is conflicted by headset plug and has been done change action; This expression system has assert that earphone inserts fully, but in fact earphone does not also contact with conducting terminal fully, causes earphone in playing process, to produce noise.

The utility model content

In view of this; The utility model is to the disappearance of prior art existence; Its main purpose provides a kind of audio socket connector; It can guarantee audio jack contact with each conducting terminal intact after, switch terminal set is done the switch change action again, thereby overcomes prior art audio jack and audio socket connector because of inserting the deficiency that does not thoroughly produce noise.

For realizing above-mentioned purpose, the utility model adopts following technical scheme:

A kind of audio socket connector; Comprise insulating body, be contained in plurality of conductive terminals and switch terminal set in the insulating body; This insulating body front end indent to insulating body rear end forms the spliced eye of the audio jack insertion that supplies butt joint; This switch terminal set comprises movable contact spring terminal and the static contact terminal that can conflict each other or break away from, and this movable contact spring terminal has one can extend into the terminal touch part of spliced eye.

Preferably, said insulating body rear end is provided with the switch terminals pilot trench, and this switch terminals pilot trench communicates with the end of spliced eye, and said switch terminal set is inlaid in this switch terminals pilot trench.

Preferably; But the pop-off height, assurance movable contact spring terminal and the static contact terminal that have the floatless switch terminal group on the said switch terminals pilot trench keep first limiting stand and second limiting stand of spacing; Aforementioned movable contact spring terminal is resisted against on this first limiting stand, and aforementioned static contact terminal is resisted against on this second limiting stand.

Preferably, said movable contact spring terminal comprises fixed part, bends elastic arm that extends to form and the leg portion that downside extends to form from the fixed part rear end from the fixed part front end; Said static contact terminal comprises fixed part, bends elastic arm that extends to form and the leg portion that downside extends to form from the fixed part rear end from the fixed part front end; When the audio jack of butt joint was not inserted spliced eye, the elastic arm of this movable contact spring terminal separated with the elastic arm of static contact terminal, and when the audio jack of butt joint was inserted into spliced eye, the elastic arm of this movable contact spring terminal was connected on the elastic arm of static contact terminal.

Preferably; The free tail end of the elastic arm of said movable contact spring terminal is extended with contact point towards the direction of static contact terminal; The free tail end of the elastic arm of the static contact of correspondence is widened the formation contact chip is set, and when the audio jack of butt joint was inserted into spliced eye, this contact point was connected on the contact chip.

Preferably, the contact chip of said static contact terminal stretches out and is formed with a limiting section, and this limiting section is resisted against on second limiting stand.

Preferably, the side that the elastic arm of said movable contact spring terminal is not established contact point is connected with the pushing tow cap that the audio jack that can be docked promotes, and this pushing tow cap forms aforementioned touch part.

Preferably, further include one and can insulating body be fixed to the metal shell on the pcb board, this metal shell is covered on the insulating body, and the metal shell both sides are provided with and are used for being fixed on the fixing feet on the pcb board through the high temperature tin cream.

Preferably, further include an insulation top board and an insulating base, this insulation top board is pressed between insulating body surface and the metal shell, and this insulating base is fixed on the insulating body back side.

The utility model compared with prior art has tangible advantage and beneficial effect; Particularly, can know that it mainly is to extend into the spliced eye end through the touch part with the movable contact spring terminal of switch terminal set by technique scheme; Therefore; Each conducting terminal all is positioned at the front end of switch terminal, when the audio jack of butt joint is inserted in this audio socket connector, and earlier inevitable and each the conducting terminal butt of audio jack; The touch part of touch switch terminal group more then; Impel switch terminal set to do the switch change action, thereby the audio jack that can achieve a butt joint contacts with the intact of this audio socket connector, overcome prior art audio jack and audio socket connector because of inserting the deficiency that does not thoroughly produce noise.

In addition; Through first limiting stand and second limiting stand are set on the switch terminals pilot trench; The movable contact spring terminal can be connected on first limiting stand, and the static contact terminal can be connected on second limiting stand, on the one hand the fixing pop-off height of movable contact spring terminal and static contact terminal; Audio jack in butt joint is not inserted under the state of audio socket connector on the other hand, guarantees to keep spacing between movable contact spring terminal and the static contact terminal.

Moreover; The free tail end of the elastic arm of movable contact spring terminal convexes with contact point towards the direction of the elastic arm of static contact terminal, and the balance that helps contacting is when movable contact spring terminal and static contact terminal are conflicted when joining; This contact point is prone to wipe off the oxide layer on the static contact terminal, guarantees the contact formedness.

Be architectural feature and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.

Description of drawings

Fig. 1 is the assembling schematic perspective view of the embodiment of the utility model;

Fig. 2 is the part assembling structure sketch map of the embodiment of the utility model, and metal shell among the figure and insulation top board do not show;

Fig. 3 is the rear view of Fig. 2, and the insulating base among the figure does not show;

Fig. 4 is the decomposition texture sketch map of the embodiment of the utility model;

Fig. 5 is the enlarged diagram of movable contact spring terminal among the embodiment of the utility model;

Fig. 6 is the enlarged diagram of static contact terminal among the embodiment of the utility model;

Fig. 7 is the view that the embodiment sound intermediate frequency plug of the utility model does not insert spliced eye;

Fig. 8 is the view after the embodiment sound intermediate frequency plug of the utility model is inserted into spliced eye.

The accompanying drawing identifier declaration:

100, audio socket connector

10, insulating body 111, interface

112, spliced eye 123, the back side

124, upper surface 12, insulation top board

13, insulating base 14, the first terminal groove

15, second terminal groove 16, the 3rd terminal groove

17, the 4th terminal groove 18, switch terminals pilot trench

181, movable contact spring terminal groove 1811, the first strain space

1812, first limiting stand 1813, movable contact spring draw-in groove

182, static contact terminal groove 1821, the second strain space

1822, second limiting stand 1823, static contact draw-in groove

20, metal shell 21, roof

22, sidewall 23, fixing feet

31, first conducting terminal 32, second conducting terminal

33, the 3rd conducting terminal 34, the 4th conducting terminal

40, switch terminal set 41, static contact terminal

411, fixed part 412, elastic arm

413, leg portion 414, fixture block

415, contact chip 416, limiting section

42, movable contact spring terminal 421, fixed part

422, elastic arm 423, leg portion

424, pushing tow cap (touch part) 425, contact point

426, fixture block

200, audio jack.

Embodiment

Please referring to figs. 1 through shown in Figure 4; It has demonstrated the concrete structure of the preferred embodiment of the utility model, and this audio socket connector 100 comprises insulating body 10, be covered on metal shell 20 on the insulating body 10, be contained in the plurality of conductive terminals in the insulating body 10 and be installed on the switch terminal set 40 in the insulating body 10.

As shown in Figure 4, this plurality of conductive terminals comprises and correspondingly is installed in first conducting terminal 31 and second conducting terminal 32 of insulating body 10 front end both sides and is installed in the same side, insulating body 10 rear end the 3rd conducting terminal 33, the 4th conducting terminal 34.

In conjunction with Fig. 2; Said insulating body 10 is rectangular structure substantially; Insulating body 10 front ends have a circular interface 111, and the rear portion that this interface 111 extends to insulating body 10 always forms the spliced eye 112 that audio jack 200 (see figure 8)s that supply butt joint are inserted.

As shown in Figure 3; Be concaved with to the back side 123 both sides spacings of this insulating body 10 the first terminal groove 14 and second terminal groove 15; This first terminal groove 14 and second terminal groove 15 are positioned at the side of insulating body 10 near interface 111; And this first terminal groove 14 and second terminal groove 15 all communicate with insulating body 10 interior spliced eyes 112; Aforementioned first conducting terminal 31 and second conducting terminal, 32 correspondences are installed in this first terminal groove 14 and second terminal groove 15, and when audio jack 200 was inserted into spliced eye 112, this first conducting terminal 31 and second conducting terminal 32 were conflicted with audio jack 200 and joined.

As shown in Figure 4,124 both sides, upper surface of this insulating body 10 also are concaved with to spacing the several terminals groove, and this several terminals groove all communicates with insulating body 10 interior spliced eyes 112.Particularly, this several terminals groove comprises the 3rd terminal groove 16, the 4th terminal groove 17 and switch terminals pilot trench 18.Wherein, in conjunction with Fig. 2, the 3rd terminal groove 16 and the 4th terminal groove 17 all are positioned at the same side of end face 124 on the insulating body 10, are used to accommodate aforementioned the 3rd conducting terminal 33 and the 4th conducting terminal 34; This switch terminals pilot trench 18 is the opposite sides that are positioned at end face 124 on the insulating body 10, is used to accommodate aforementioned switches terminal group 40.

This switch terminals pilot trench 18 comprises static contact terminal groove 182 and a movable contact spring terminal groove 181 (see figure 4)s; Has the first strain space 1811 that is communicated with spliced eye 112 in this movable contact spring terminal groove 181; The sidewall section of the being provided with difference structure in this first strain space 1811, the corner of this section difference forms first limiting stand 1812; And this insulating body 10 is provided with movable contact spring draw-in groove 1813 near the position at edge, is used to tighten following movable contact spring terminal 42.

The head end of said static contact terminal groove 182 has the second strain space 1821; This second strain space 1821 is communicated with the first strain space 1811; And it is poor that the crossover position in this second strain space 1821 and the first strain space 1811 forms section, and the corner of this section difference forms second limiting stand 1822.In addition, this insulating body 10 is provided with static contact draw-in groove 1823 near the position at edge, and this static contact draw-in groove 1823 maintains distance with aforementioned movable contact spring draw-in groove 1813.

Hold, said switch terminal set 40 comprises a static contact terminal 41 and a movable contact spring terminal 42.As shown in Figure 5, this movable contact spring terminal 42 comprises elastic arm 422 that is flat fixed part 421, extends to form from the bending of fixed part 421 front ends and the leg portion 423 that extends to form from fixed part 421 rear end downsides.Said fixed part 421 is provided with fixture block 426, is used to sting tightly at insulating body 10.The free tail end of said elastic arm 422 is connected with a pushing tow cap 424; This pushing tow cap 424 convexes to form the touch part (see figure 7) that can extend into spliced eye 112 ends outward; When the audio jack 200 (plug) of butt joint when being inserted into this audio socket connector 100, the head end of audio jack 200 pushes against (see figure 8) on this pushing tow cap 424.In addition, the free tail end last term of this elastic portion pushes away on the side of cap 424 and vertically outwards is provided with two contact points 425.Add man-hour, this pushing tow cap 424 and these two contact points, 425 one are connected the free tail end of this elastic portion.

As shown in Figure 6; Said static contact terminal 41 comprises the fixed part 411 that is plane, the elastic arm 412 that extends to form from the bending of fixed part 411 front ends and the leg portion 413 that extends to form from fixed part 411 rear end downsides; This fixed part 411 is provided with fixture block 414; Be used to sting tight static contact draw-in groove 1823 inwalls; The free tail end broadening design of this elastic arm 412 is formed with contact chip 415, so that two contact points 425 of aforementioned movable contact spring terminal 42 do not drop on this contact chip 415 with having error, realizes the butt of movable contact spring terminal 42 and static contact terminal 41.In addition, this elastic arm 412 also continues to have extended outward a limiting section 416, and static contact terminal 41 relies on this limiting section 416 to be against (see figure 8) on second limiting stand 1822.

Said metal shell 20 comprise a roof 21 and from roof 21 both sides downward extended sidewall 22, these 22 lower ends, two side convex with fixing feet 23, this fixing feet 23 is used for being inserted into the preset jack of pcb board, fixes through the high temperature tin cream.

Further; This audio socket connector 100 also includes an insulation top board 12 and an insulating base 13; This insulation top board 12 is pressed in insulating body 10 upper surfaces 124, is used to seal the 3rd conducting terminal 33, the 4th conducting terminal 34 and the switch terminal set 40 that are installed in insulating body 10 upper surfaces.This insulating base 13 is fixed on insulating body 10 back sides 123, is used to seal first conducting terminal 31 and second conducting terminal 32 that are installed in insulating body 10 bottoms.

In the assembling process; When in the insulating body 10 that this switch terminal set 40 is packed into,, at first static contact terminal 41 is installed in the static contact terminal groove 182 in conjunction with Fig. 4 to Fig. 7; The fixed part 411 of static contact terminal 41 is embedded in the static contact draw-in groove 1823 of static contact terminal groove 182; Fixture block 414 on its fixed part 411 is stung the inwall of tight static contact draw-in groove 1823, and at this moment, the bottom surface of insulating body 10 is stretched out by the leg portion 413 of static contact terminal 41; Elastic arm 412 is suspended in the second strain space 1821, and the limiting section 416 of elastic arm 412 head ends is resisted against on second limiting stand 1822.

Then; Movable contact spring terminal 42 is installed in the movable contact spring terminal groove 181, the fixed part 421 of movable contact spring terminal 42 is embedded in the movable contact spring draw-in groove 1813 of movable contact spring terminal groove 181, the fixture block 426 on its fixed part 421 is stung the inwall of tight movable contact spring draw-in groove 1813; At this moment; The bottom surface of insulating body 10 is stretched out by the leg portion 423 of movable contact spring terminal 42, and elastic arm 422 is suspended in the first strain space 1811, and the middle part of elastic arm 422 is resisted against on first limiting stand 1812.Take this, confirmed the pop-off height of switch terminal set by first limiting stand 1812 and second limiting stand 1822, and maintained spacing between the elastic arm 412 of the elastic arm 422 of assurance movable contact spring terminal 42 and static contact terminal 41.

In the use, when the audio jack 200 (plug) of butt joint when not being inserted into this audio socket connector 100, row was play when audio signal reached the loud speaker that electronic product itself carries.When the audio jack 200 (plug) of butt joint when just beginning to be inserted into this audio socket connector 100, first conducting terminal 31 and second conducting terminal 32 and audio jack 200 (plug) elasticity butt.Along with audio jack 200 (plug) continues to be inserted into spliced eye 112 inside; As shown in Figure 8; The 3rd conducting terminal 33 and the 4th conducting terminal 34 are connected on the audio jack 200; And audio jack 200 pushes against the pushing tow cap 424 (being the touch part) of movable contact spring terminal 42, makes elastic arm 422 distortion, thereby 415 conflicts of the contact chip on the elastic arm 422 of contact point of movable contact spring terminal 42 425 and static contact terminal 41 are joined; Therefore cut off the sound playing of the loud speaker that electronic product itself carries, audio signal reaches in external loudspeaker or the earphone through audio jack 200.

The design focal point of the utility model is; It mainly is to extend into the spliced eye end through the touch part with the movable contact spring terminal of switch terminal set, and therefore, each conducting terminal all is positioned at the front end of switch terminal; When the audio jack of butt joint is inserted in this audio socket connector; Audio jack inevitable earlier with each conducting terminal butt, then the touch part of touch switch terminal group again impels switch terminal set to do the switch change action; Thereby the audio jack that can achieve a butt joint contacts with the intact of this audio socket connector, overcomes prior art audio jack and audio socket connector because of inserting the deficiency that does not thoroughly produce noise.

The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.

Claims

1. audio socket connector; Comprise insulating body, be contained in plurality of conductive terminals and switch terminal set in the insulating body; This insulating body front end indent to insulating body rear end forms the spliced eye of the audio jack insertion that supplies butt joint; It is characterized in that: this switch terminal set comprises movable contact spring terminal and the static contact terminal that can conflict each other or break away from, and this movable contact spring terminal has one can extend into the terminal touch part of spliced eye.

2. audio socket connector according to claim 1 is characterized in that: said insulating body rear end is provided with the switch terminals pilot trench, and this switch terminals pilot trench communicates with the end of spliced eye, and said switch terminal set is inlaid in this switch terminals pilot trench.

3. audio socket connector according to claim 2; It is characterized in that: but first limiting stand and second limiting stand that have pop-off height, assurance movable contact spring terminal and the static contact terminal maintenance spacing of floatless switch terminal group on the said switch terminals pilot trench; Aforementioned movable contact spring terminal is resisted against on this first limiting stand, and aforementioned static contact terminal is resisted against on this second limiting stand.

4. audio socket connector according to claim 3 is characterized in that: said movable contact spring terminal comprises fixed part, bends elastic arm that extends to form and the leg portion that downside extends to form from the fixed part rear end from the fixed part front end; Said static contact terminal comprises fixed part, bends elastic arm that extends to form and the leg portion that downside extends to form from the fixed part rear end from the fixed part front end; When the audio jack of butt joint was not inserted spliced eye, the elastic arm of this movable contact spring terminal separated with the elastic arm of static contact terminal, and when the audio jack of butt joint was inserted into spliced eye, the elastic arm of this movable contact spring terminal was connected on the elastic arm of static contact terminal.

5. audio socket connector according to claim 4; It is characterized in that: the free tail end of the elastic arm of said movable contact spring terminal is extended with contact point towards the direction of static contact terminal; The free tail end of the elastic arm of the static contact of correspondence is widened the formation contact chip is set; When the audio jack of butt joint was inserted into spliced eye, this contact point was connected on the contact chip.

6. audio socket connector according to claim 5 is characterized in that: the contact chip of said static contact terminal stretches out and is formed with a limiting section, and this limiting section is resisted against on second limiting stand.

7. audio socket connector according to claim 5 is characterized in that: the side that the elastic arm of said movable contact spring terminal is not established contact point is connected with the pushing tow cap that the audio jack that can be docked promotes, and this pushing tow cap forms aforementioned touch part.

8. audio socket connector according to claim 1; It is characterized in that: further include one and can insulating body be fixed to the metal shell on the pcb board; This metal shell is covered on the insulating body, and the metal shell both sides are provided with and are used for being fixed on the fixing feet on the pcb board through the high temperature tin cream.

9. audio socket connector according to claim 8 is characterized in that: further include an insulation top board and an insulating base, this insulation top board is pressed between insulating body surface and the metal shell, and this insulating base is fixed on the insulating body back side.