CN2580640Y

CN2580640Y - Audio frequency connector

Info

Publication number: CN2580640Y
Application number: CN02287403U
Authority: CN
Inventors: 簡敏隆
Original assignee: Advanced Connectek Shenzhen Ltd
Current assignee: Advanced Connectek Shenzhen Ltd
Priority date: 2002-11-18
Filing date: 2002-11-18
Publication date: 2003-10-15
Anticipated expiration: 2012-11-18

Abstract

The utility model relates to an audio frequency connector, particularly a novel audio frequency connector which is provided with external connection type side contact terminals and conforms to the surface felted technology (SMT). The audio frequency connector is characterized in that five matched contact terminals are designed into two modes of an inner contact mode and an outer contact mode so as to be mutually matched with novel sockets.

Description

Audio connector

(1) technical field

The relevant a kind of audio connector of the utility model refers in particular to a kind of side contact terminal with circumscribed, and meets the audio connector of surperficial gluing technology (SMT).

(2) background technology

Have the audio socket that can produce sound effect and be widely used in the audiovisual acoustic product, its major function is to provide the transmission of voice signal between two systems.In recent years, along with the appearance of various light and handy shape electronic products, as the development of electronic products such as mobile phone, PDA, MP3 and notebook computer, the application of audio socket electric connector on these products is even more important.Each electronic product all has its audio socket electric connector that exclusively is suitable for to occur, and such relevant product design please refer to United States Patent (USP) the 4th, 659, cases such as No. 167, No. 83215364, Taiwan patent, No. 99039140, China's Mainland patent.There is a kind of more compact mobile communication product to be developed recently again, promptly be so-called deserted cell phone (Disposable Mobile Phone), for adapting to the location of this product, price can not be too high, the moulding of this product must be quite small and exquisite, therefore the assembly that is used also must be compact, and multiple function must be incorporated in the connector.

The design of existing socket connector is to adopt through hole weldering mode to be welded on the circuit board mostly, and this is inappropriate for all quite limited light and handy shape electronic product of inner usage space and circuit board space; This socket connector mainly includes insulation shell, it is typically provided with the main part in tool hollow circuit cylinder hole, this hollow circuit cylinder hole promptly is made as the spliced eye that inserts for audio jack, the quite flexible contact portion of several conducting terminal tools then protrude into respectively in this spliced eye with the conducting of audio jack butt, and these conducting terminals respectively are extended with engagement legs to insulation shell, to weld in the welding hole that inserts corresponding setting on the circuit board.Except that these conducting terminals, generally be equipped with the terminal that is exclusively used in ground connection, to reach the effect of eliminating electrostatic charge and electromagnetic interference.

The audio-frequency electric connector of surperficial gluing technology (SMT) type has appearred utilizing at present, but the most structure of conducting terminal of existing SMT type electric connector is comparatively complicated, need through multiple tracks punching out process, therefore need many covers or comparatively complicated mould to cooperate, make the relative raising of manufacturing cost.And, be used for the design that mode that the terminal of ground connection engages with insulating body has been continued to use existing through hole weldering type connector basically in the present SMT type audio-frequency electric connector, promptly be interlocked and combine by means of button hole on the terminal and the projection on the body, but this type of manner steadiness is relatively poor, promptly also come off because of the collision of external force, and this kind manner must increase terminal and insulating body during fabrication materials and increase structural complexity, this expenditure that will certainly raise the cost.

Simultaneously, the plug of present up-to-date exploitation designs towards the plug construction of Multi-bar, the structure of this kind plug is the contact rod that secondary bar type is set in addition at the side of main body plug, this kind plug can provide more function of use, avoid main plug, and this plug can't be used in existing standard audio socket, must develop new-type connector separately and be mated.

(3) utility model content

For the disappearance of improving existing electric connector for socket and cooperate new-type plug, the utility model then provides a kind of SMT type audio connector with audio socket connector of multinomial function.

Audio connector of the present utility model is made of an insulating body, several contact terminals;

Wherein, this insulating body is a rectangle structure body, the one side is an interface, this interface is protruding with the spliced eye of the cylindrical shape of a hollow, spliced eye further is through to the rear side end of insulating body towards inner extension of insulating body thus, make the inside of rectangular housing form hollow, can insert wherein for audio jack;

Several transmission terminals are arranged in the default hole on the insulating body, comprising circumscribed contact terminal, built-in first signal terminal, secondary signal terminal, the 3rd signal terminal and the 4th signal terminal etc., wherein first signal terminal and secondary signal terminal form a pair of detection induction terminal, the 3rd signal terminal can be used as the terminal of raising one's voice (Speaker) of playback, and the 4th signal terminal can be used as the microphone terminal (Microphone) of radio reception.And in order to reach the manufacturing cost reduction, assembling is simplified, and first signal terminal and secondary signal terminal all are designed to same specification, adopts the mode of salient point contact.The 3rd signal terminal and the 4th signal terminal are all vertical cutting formula member, are embedded at the insulation shell rear side end face of rectangle.

Audio connector of the present utility model because the side contact terminal of a circumscribed is set on insulating body, makes it can be compatible with the plug of Multi-bar; Because with the position of each contact terminal positioning sorting in addition, can do with the contact site of audio jack and can strengthen contact engaging and separating force when contacting simultaneously, to reach the enhancement function that multiple function acts on simultaneously; Because it is designed to the structure of the formula of fixing with several terminals, can increase the power of seizing on both sides by the arms (Retention force) between terminal and insulating body; And, therefore can meet surperficial gluing technology (SMT) because the pin evenness of its terminal can be controlled in 0.1mm.

For making above-mentioned purpose of the present utility model and structure can allow the personnel that are familiar with this technology can be more clear, special conjunction with figs. be described in detail as follows the utility model with most preferred embodiment:

(4) description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model embodiment audio socket connector;

Fig. 2 is the three-dimensional combination figure of the utility model embodiment audio socket connector;

Fig. 3 is another visual angle three-dimensional exploded view of the utility model embodiment audio socket connector.

(5) embodiment

See also shown in Fig. 1,2,3, the utility model audio connector 1 is to include an insulating body 10, circumscribed contact terminal 20, built-in members such as first signal terminal 30, secondary signal terminal 40, the 3rd signal terminal 50 and the 4th signal terminal 60.

Wherein, these insulating body 10 configurations are essentially a rectangle structure body, with wherein leading flank 11 is docking section 111, this docking section 111 is protruding with the spliced eye 90 of the cylindrical shape 112 of a hollow, this spliced eye 90 further is through to rear side end face 16 places of insulating body 10 towards insulating body 10 inner extensions, make the inside of rectangular housing form hollow, can insert wherein for the audio jack (not shown), side at cylindrical shape 112 forms a recess 113, this recess 113 also communicates by the hollow bulb in slot 114 and the insulating body 10, can be provided with for circumscribed contact terminal 20; Spatial accommodation when on the end face 12 of insulating body 10, then being provided with several grooved holes 121 as first signal terminal 30 and 40 insertions of secondary signal terminal, the position in this grooved hole 121 respectively with the bottom surface 15 of insulating body 10 on terminal insert portion 154 and form a passage, this passage can be inserted with secondary signal terminal 40 fully for first signal terminal 30, rear end at end face 12 is provided with some elongated slots 122 in addition, this elongated slot 122 is when supplying the 3rd signal terminal 50 and the 4th signal terminal 60 from 16 insertions of insulating body 10 rear end faces, card protuberance 522 on the terminal, 622 and 632 can be fastened in location in the groove, wherein both sides elongated slot 122 more in the outer part is fixing for the 4th terminal 60, elongated slot 122 in the inner part is fixing for the 3rd terminal 50, therefore, the position of this elongated slot 122 be with insulating body 10 in conduit 161,162,163 and 164 communicate; The right flank 13 of insulating body 10 is an even curface, on its bottom with end face 12 on the relative position in grooved hole 121 be provided with recess 131, the design of this recess 131 is in order to make circumscribed contact terminal 20 and the pin position of first signal terminal 30 after inserting can meet the demand of SMT processing procedure, in addition the rearward end at right flank 13 also is provided with recess 132, and the design of this recess 132 is in order to make pin position after the 3rd signal terminal 50 is inserted can meet the demand of SMT processing procedure; The left surface 14 of insulating body 10 roughly with right flank 13 identical setting, also forming a recess 141 near leading flank 11, the design of this recess 141 is in order to make the pin position of secondary signal terminal 40 after inserting can meet the demand of SMT processing procedure; On the bottom surface 15 of insulating body 10 except recess 131 is arranged, 141 terminals that extend to bottom surface 15 are put outside the district 152, also be provided with positioning convex column 151, and in the bottom surface 15 rearward end is provided with a square slotted eye 153, the effect of this square slotted eye 153 is to replace fixing for the protrusion clamping part 511 of the 3rd signal terminal 50 bottoms; The rear end face 16 of insulating body 10 is a hollow end face, is provided with some conduits on its limit, left and right sides, and wherein

conduit

161 and 162 is fixing for the 4th terminal 60, and conduit 163 is fixing for the 3rd terminal 50 with 164.

The utility model is simplified the design of five terminals, makes and assembling with convenient.Wherein, the circumscribed contact terminal 20 that places insulating body 10 front ends is a vertical terminal, be as body with a junction 21, the rear side extension of connecting portion 21 is two elastic arms 22,23 up and down, two elastic arms 22,23 can be used as the holding firmware of contact terminal 20, therefore be provided with card protuberance 221 as holding firmware in the bottom of last elastic arm 22, being provided with salient point 24 on two elastic arms 22,23, then extend a pin 25 simultaneously in the terminal bottom of following elastic arm 23 to strengthen the fixed effect of elastic arm 22,23 when inserting; The opposite side of connecting portion 21 then extends elastic contact chip 26, is provided with the contact salient point 261 of projection on this elastic contact chip 26, this contact salient point 261 can be used as with plug on another touch the usefulness that contacts of rod.This circumscribed contact terminal 20 can be used as detection terminal, in order to detect various transmission signals.

First signal terminal 30 of being located at insulating body 10 leading portions is with a kind of specification with secondary signal terminal 40, the structure of this type of terminal is to be one " R " shape member, side at R shape member is a terminal body, be provided with the sharp protuberance 33 that is used to fix terminal in the both sides of this body side, 43, on terminal body, extend the

32,42 of bending, another side at R shape member then is the contact salient point 31,41 of oblique bending.

Placing the 3rd signal terminal 50 of insulating body 10 rear ends is a U-shaped terminal, its structure can be divided into the vertical component effect 52 of horizontal part 51 and both sides, wherein the vertical component effect 52 of both sides is the slotting rails as the 3rd signal terminal 50, horizontal part 51 be provided with when protruding clamping part 511 and inserting insulating bodies 10 as the 3rd signal terminal 50 and insulating body 10 on square slotted eye 153 deduct mutually; Centre at the vertical component effect 52 of both sides is inwardly protruded contact flat spring 521, and on the top end face of two vertical component effects 52, be provided with the projection card protuberance 522, this card protuberance 522 can engage mutually with the inboard elongated slot 122 on the insulating body 10 when the 3rd signal terminal 50 inserts insulating body 10, the bottom of a slice vertical component effect 52 is provided with the pin 523 that extends therein, pin 523 does not limit must be located on the vertical component effect 52 that closes side, and the position of pin is provided in a side of right side vertical component effect 52 in the present embodiment.

Placing the 4th signal terminal 60 of insulating body 10 rear ends is a L shaped terminal, its structure is as connecting main body with a horizontal part 61, two lateral bucklings at horizontal part 61 extend a long lateral plate 62 and a short lateral plate 63, the end of wherein long lateral plate 62 extends the contact site 621 of a bending in order to touch with plug, be noted that the length that long lateral plate 62 burnishing surfaces length partly is longer than the 3rd signal terminal 50 vertical component effects 52 especially, be provided with the card protuberance 622 and 632 of projection on the top end face of long lateral plate 62 and short lateral plate 63, this blocks protuberance 622,632 can engage mutually with the outside elongated slot 122 on the insulating body 10 when the 4th signal terminal 60 inserts insulating body 10; Be provided with the pin 611 that extends in the bottom of horizontal part 61.For considering that the 4th signal terminal 60 inserts the steadiness of insulating bodies 10, what be provided with protrusion on the lateral wall of two lateral plates is provided with salient point 65, acts on admittedly by the top of salient point 65 making two lateral plates enable to be tight against

conduit

161 and 162 in insertion.

Assembling mode of the present utility model is quite simple and direct, and each terminal is inserted in the reservation hole slot on the insulating body in regular turn, can be fixed in the hole slot fast by the fixing element on the terminal.After terminal was fixedly finished, plug inserted insulating body 10 when inner, with the engagement sequence of terminal be first signal terminal 30 and secondary signal terminal 40 in regular turn, be the 4th signal terminal 60 then, be only the 3rd signal terminal 50 at last.When plug contacted with the 3rd signal terminal 50, circumscribed contact terminal 20 also contacted with another plug.

By above-mentioned explanation, in the structural design of the present utility model as can be known, have some technical characterstics to be stated clearly: structural design of the present utility model makes every effort to simple, first signal terminal 30 is designed to a kind of specification with secondary signal terminal 40, and the corresponding groove of inserting also forms identical specification on insulating body 10, all can save considerable time and cost like this when the die sinking tool assembles with production; Next is to increase by a circumscribed contact terminal 20, can be used with novel bull formula plug, to meet new-type electronic product.Again because of insulating body 10 unique design, the evenness of each terminal of may command is all 0.10mm to meet surperficial gluing technology (SMT) simultaneously.

By above-mentioned explanation as can be known, the new structural design of the utility model utilization make audio connector have more in the past like product presents better function of use, simultaneously this kind structural design have in assembling also quite rapidly convenient, the enhancement effect of minimizing assembling flow path.

The structure execution mode that above the utility model disclosed only is the utility model for convenience of description, be not in order to limit scope of the present utility model, all personnel that understand this technology by specification of the present utility model, all equivalences of having done change or replacement does not all break away from the utility model spirit and all should be considered as analog structure of the present utility model, and the claim that claim limited that is the utility model application is contained.

Claims

1. an audio connector is made of an insulating body, several contact terminals; It is characterized in that:

This insulating body is a rectangle structure body, the one side is an interface, this interface is protruding with the spliced eye of the cylindrical shape of a hollow, spliced eye further is through to the rear side end of insulating body towards inner extension of insulating body thus, make the inside of rectangular housing form hollow, can insert wherein for audio jack;

Several transmission terminals are arranged in the default hole on the insulating body, comprising circumscribed contact terminal, built-in first signal terminal, secondary signal terminal, the 3rd signal terminal and the 4th signal terminal etc., wherein first signal terminal and secondary signal terminal form a pair of detection induction terminal, the 3rd signal terminal can be used as the terminal of raising one's voice of playback, and the 4th signal terminal can be used as the microphone terminal of radio reception; First signal terminal and secondary signal terminal all are designed to same specification, have the salient point contacting structure; The 3rd signal terminal and the 4th signal terminal are all vertical cutting formula member, are embedded at the insulation shell rear side end face of rectangle.

2. as the 1st described audio connector of claim, wherein, form a recess in the side at cylindrical shape of insulating body, this recess also communicates with hollow bulb in the insulating body by slot.

3. as the 1st described audio connector of claim, wherein, spatial accommodation when on the end face of insulating body, then being provided with several grooved holes and inserting, the position in these grooved holes as first signal terminal and secondary signal terminal respectively with the bottom surface of insulating body on the terminal portion of inserting form a passage.

4. audio connector as claimed in claim 1 is characterized in that, is provided with some elongated slots in the rear end of insulating body end face, and this elongated slot is to fix when the insulating body rear end face inserts for the 3rd signal terminal and the 4th signal terminal.

5. audio connector as claimed in claim 4 is characterized in that, the position of this elongated slot is to communicate with conduit in the insulating body.

6. audio connector as claimed in claim 1, it is characterized in that, right flank at insulating body is an even curface, on its front bottom end with end face on the relative position in grooved hole be provided with recess, also be provided with recess in rearward end, this recess arrangement becomes to make circumscribed contact terminal, first signal terminal and the 3rd signal terminal pin position after inserting meet the demand of SMT processing procedure.

7. audio connector as claimed in claim 1 is characterized in that, forms a recess at the front end of the left surface of insulating body, and this recess arrangement becomes to make the pin position of secondary signal terminal after inserting meet the demand of SMT processing procedure.

8. audio connector as claimed in claim 1 is characterized in that, is provided with positioning convex column in the bottom surface of insulating body, and the rearward end in the bottom surface is provided with a square slotted eye.

9. audio connector as claimed in claim 1 is characterized in that, is a hollow end face at the rear end face of insulating body, is provided with some conduits on its limit, left and right sides.

10. audio connector as claimed in claim 1, it is characterized in that, the circumscribed contact terminal is a vertical terminal, be as body with a junction, the rear side extension of connecting portion is two elastic arms up and down, be provided with the card protuberance as holding firmware in the bottom of last elastic arm, on two elastic arms, be provided with salient point simultaneously, then extend a pin in the terminal bottom of following elastic arm; The opposite side of connecting portion then extends elastic contact chip, is provided with the contact salient point of projection on this elastic contact chip.

11. audio connector as claimed in claim 1 is characterized in that, the circumscribed contact terminal is as detection terminal, in order to detect various transmission signals.

12. audio connector as claimed in claim 1, it is characterized in that, first signal terminal and secondary signal terminal are with a kind of specification, it is configured to one " R " shape member, side at R shape member is a terminal body, being provided with the sharp protuberance that is used to fix terminal in the both sides of this body side, extending the pin of bending on terminal body, then is the contact salient point of oblique bending at another side of R shape member.

13. audio connector as claimed in claim 1, it is characterized in that the 3rd signal terminal is a U-shaped terminal, its structure can be divided into the vertical component effect of horizontal part and both sides, wherein the vertical component effect of both sides is the slotting rails as the 3rd signal terminal, is provided with the protrusion clamping part at horizontal part; Centre at the vertical component effect of both sides is inwardly protruded contact flat spring, and is provided with the card protuberance of projection on the top end face of two vertical component effects, and the bottom of a slice vertical component effect is provided with the pin that extends therein.

14. audio connector as claimed in claim 1, it is characterized in that, the 4th signal terminal is a L shaped terminal, its structure is as connecting main body with a horizontal part, two lateral bucklings at horizontal part extend a long lateral plate and a short lateral plate, wherein the end of long lateral plate extends the contact site of a bending, is provided with the card protuberance of projection on the top end face of long lateral plate and short lateral plate; Be provided with the pin that extends in the bottom of horizontal part.

15. audio connector as claimed in claim 14 is characterized in that, the length that the length of this long lateral plate burnishing surface part is longer than the 3rd signal terminal vertical component effect.

16. audio connector as claimed in claim 14 is characterized in that, is provided with the salient point that is provided with of protrusion on the lateral wall of two lateral plates.