CN2560126Y

CN2560126Y - Audio frequency electric connector assembly

Info

Publication number: CN2560126Y
Application number: CN02247438U
Authority: CN
Inventors: 林三祐; 倪明
Original assignee: Advanced Connectek Shenzhen Ltd
Current assignee: Advanced Connectek Shenzhen Ltd
Priority date: 2002-08-14
Filing date: 2002-08-14
Publication date: 2003-07-09
Anticipated expiration: 2012-08-14

Abstract

The utility model relates to an audio frequency electric connector assembly, in particular to an electric connector for a four-pole earphone socket that is suitable for the disposable mobile communication device. The utility model integrates the audio frequency socket and the charger into a whole and adopts the design of multi-section contactor audio frequency plug to be matched with the five contact terminals of the audio frequency socket, thus achieving the functions of microphone, DC charging, detecting and grounding when the utility model is sleeved and connected with the socket electric connector, and downsizing the components of the electric connector.

Description

The audio-frequency electric connector assembly

(1) technical field

The relevant a kind of audio-frequency electric connector assembly of the utility model refers in particular to a kind of electric connector for socket with functions such as microphone, DC charging, detection, ground connection.

(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 two to be transmission of voice signal between system.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 becomes 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 the 4th, 659, No. 167 patents of the U.S., No. 83215364 patent in Taiwan, No. 99039140 patent of China etc.Developed a kind of more compact mobile communication product 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 with hollow circuit cylinder hole, this hollow circuit cylinder hole promptly is made as the spliced eye that inserts for audio jack, several conducting terminals have quite flexible contact portion 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, existing audio jack is because single diameter all touches with each terminal because of the audio jack body of rod back and forth through repeatedly plugging the back again, and terminal produces the bad phenomenon of elasticity because of excessive friction easily.

(3) utility model content

For improving the disappearance of existing electric connector for socket, the purpose of this utility model provides that a kind of terminal specification is simplified and the multi-functional SMT type audio-frequency electric connector assembly of running simultaneously of realizing with multinomial function, with the closeness of contact of increase with contact terminal, and in the plug process, reduce the chance of touching with terminal, make the output effect of each function even more ideal, and easy to assembly and can reduce manufacturing cost.

Audio-frequency electric connector assembly of the present utility model comprises an insulating body, several conducting terminals and audio jack; Wherein this insulating body is a cuboid, 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 first and second charging terminal, detection terminal and first and second signal terminal etc., wherein first signal terminal is the terminal of raising one's voice (Speaker) of playback, and the secondary signal terminal is the microphone terminal (Microphone) of radio reception.And in order to reach the manufacturing cost reduction, assembling is simplified, and first and second charging terminal, detection terminal and first signal terminal all are designed to same specification, adopts the mode of salient point contact.The secondary signal terminal is the shape of falling a ㄇ member, be embedded at the insulation shell rear side end face of rectangle, one contact flat spring that inwardly concaves is respectively arranged on the and arranged on left and right sides of secondary signal terminal, then have in its bottom the fixing assembly of a card division of outwards giving prominence to as secondary signal terminal shell and insulation shell then arranged; Audio jack is the audio jack of a multistage different-diameter formula, and according to the direction of its insertion, the diameter of contact-segment is then by little and arrange greatly in regular turn.

For further specifying the purpose of this utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 is the three-dimensional exploded view of the audio-frequency electric connector assembly of the utility model one embodiment;

Fig. 2 is the three-dimensional combination figure of the audio-frequency electric connector assembly of the utility model one embodiment;

Fig. 3 is another visual angle three-dimensional exploded view of the audio-frequency electric connector assembly of the utility model one embodiment;

Fig. 4 is the audio jack profile of the utility model one embodiment audio-frequency electric connector assembly;

Fig. 5 is the A-A profile of the utility model one embodiment audio-frequency electric connector assembly;

Fig. 6 is the C-C profile of the utility model one embodiment audio-frequency electric connector assembly;

Fig. 7 is the terminal circuit diagram of the utility model one embodiment audio-frequency electric connector assembly.

(5) embodiment

See also shown in Fig. 1,2,3, audio-frequency electric connector assembly 1 of the present utility model includes members such as an insulating body 10, first charging terminal 21, second charging terminal 22, detection terminal 23, first signal terminal 24, secondary signal terminal 25 and audio jack 60.

Wherein this insulating body 10 is a cuboid, with wherein leading flank 11 is docking section 111, this docking section 111 is protruding with the spliced eye 50 of the cylindrical shape of a hollow, this spliced eye 50 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 audio jack 60; Spatial accommodation when on the end face 12 of insulating body 10, then being provided with several grooved holes 121 and inserting, the position in this grooved hole 121 as terminal respectively with the bottom surface 15 of insulating body 10 on terminal insert portion 154 and form a passage, this passage can be inserted fully for terminal; In addition be provided with the elongated slot 122 that runs through at end face 12 near trailing flank 16 places, this elongated slot 122 is to cooperate with convex fastening part 255 on the secondary signal terminal 25, makes secondary signal terminal 25 be able to be connected and fixed with insulating body 10; The right flank 13 of insulating body 10 is an even curface, and the relative position in grooved hole 121 is provided with recess 131 on itself and end face 12, and the design of this recess 131 is the demands that can meet the SMT processing procedure for the pin position after terminal is inserted; The left surface 14 of insulating body 10 roughly with right flank 13 identical setting, only forming an outside little outstanding structure face near leading flank 11, this is the design that do the position that is provided with for mating terminals, and left surface 14 is provided with the recess 141 that cooperates with the relative position in grooved hole 121 on the end face 12 equally; On the bottom surface 15 of insulating body 10, put the district except the terminal that has recess 131,141 to extend to bottom surface 15, also be provided with positioning convex column 151, and be provided with a perforate 152 near trailing flank 16 places, the effect of this perforate 152 also is identical with the effect of the elongated slot 122 of end face 12, also be to use with card lug 252 on the secondary signal terminal 25 to cooperate, another that is connected and fixed as secondary signal terminal 25 and insulating body 10 engages the place.

The utility model is designed to two kinds of specifications with several terminals, makes and assembling with convenient.Wherein, placing first charging terminal 21, second charging terminal 22, detection terminal 23 and first signal terminal 24 in insulating body 10 stage casings is with a kind of specification, the structure of this type of terminal is to be " U " shape member roughly, side at the U-shaped member is a terminal body, be provided with the sharp protuberance 213,223,233,243 that is used to fix terminal in the both sides of this body side, extending the pin 212,222,232,242 of bending on terminal body, then is the contact salient point 211,221,231,241 of oblique bending at another side of U-shaped member; Place 25 of the secondary signal terminals of insulating body 10 rear ends to be another kind of specification, this secondary signal terminal 25 is the shape of falling a ㄇ member, the single piece type metal that is shaped as of this member forms through the punching out bending, the relative summary in position is respectively arranged to component inside bending and the quite flexible contact flat spring 254 of tool on the terminal side 253 of its both sides, the end of this contact flat spring 254 then is the contact protuberance that slightly bends up, and is provided with the convex fastening part 255 of projection on the top margin of terminal side 253; Be provided with card lug 252 on the terminal of member bottom 251,251 distal edge end then has pin 256 bottom terminal.

Please refer to shown in Figure 4, audio jack 60 parts of the present utility model can be divided into first contact site 61 according to the order of inserting, second contact site 62, the 3rd contact site 63 and the 4th contact site 64, and according to the demand of each position and termination contact, be divided into various different-diameter sizes, wherein with first contact site 61 of secondary signal termination contact because of being insertion end, so be a traditional taper joint kenel, be same diameter dimension with 63 of detection terminal 23 second contact site 62 that contacts with first signal terminal 24 and the 3rd contact sites that contacts with second charging terminal 22, the 4th contact site 64 that contacts with first charging terminal 21 then is another diameter dimension, and is greater than the diameter of the 3rd contact site 63; Such design is to consider that non-essential terminal has too much contacting with non-essential contact site, will cause the phenomenon of terminal fatigue to produce, therefore, take the not design on same contact point of fixed position of terminal, the diameter of audio jack contact site is followed the position of terminal and is changed.

Please refer to shown in Figure 5, can learn that by the A-A section of the utility model embodiment the position of first charging terminal 21 and first signal terminal 24 of homonymy is not on same straight line, first charging terminal 21 can't contact with the 3rd contact site 63 with first contact site 61, second contact site 62 of audio jack 60 when audio jack 60 is inserted like this, and only with the 4th contact site 64, this design is that the utility model is created, can reduce the tired phenomenon that unnecessary termination contact is brought, the useful life that can significantly improve terminal the reliability when using.

Referring again to shown in Figure 6, can learn that by the C-C section of the utility model embodiment the contact point of terminal is to adopt the button type contact, this kind structural design can reduce the contact area with audio jack, can effectively avoid terminal owing to the effect of high plug stress causes the tired lax poor flow that causes, but can not influence the contact effect.

Referring again to shown in Figure 7, by terminal circuit structure of the present utility model as can be known, design of the present utility model is quite clear and definite, the first charging terminal P1 is that distal-most end is to contact with the 4th contact site 64 of audio jack 60 diameter maximums, the second charging terminal P2 contacts with the 3rd contact site 63 of audio jack 60, detection terminal P3 then is to contact with second contact site 62 of audio jack 60 with the first signal terminal P5,4 of secondary signal terminals P are to contact with first contact site 61 of audio jack 60, by the pin of terminal and being connected of circuit board, make its each terminal generation effect separately, the first signal terminal P5 is the terminal of raising one's voice (Speaker) of playback, and 4 of secondary signal terminals P are the microphone terminal (Microphone) of radio reception.

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 charging terminal 21, second charging terminal 22, detection terminal 23 and first signal terminal 24 are designed to a kind of specification, and the corresponding groove of inserting also forms identical specification on insulating body 10, so all can save considerable time and cost when the die sinking tool assembles with production; Next is that the diameter dimension of audio jack has different designs according to functional requirement, no matter is inserting and taking off when pulling out, all can improve and commonly use easily tired lax disappearance of product terminal.

As shown in the above description, the new structural design of the utility model utilization make the audio-frequency electric connector assembly have more in the past like product presents better function of use, this kind structural design has in assembling also quite convenient rapid and reduce the enhancement effect of assembling flow path simultaneously.

Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.

Claims

1. an audio-frequency electric connector assembly includes an insulating body, several transmission terminals and audio jack; It is characterized in that:

This insulating body is a cuboid, 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 first and second charging terminal, detection terminal and first and second signal terminal etc., wherein first and second charging terminal, detection terminal and first signal terminal are same specifications design;

Audio jack is the audio jack of a multistage different-diameter formula, and according to the direction of its insertion, the diameter of contact-segment is then by little and arrange greatly in regular turn.

2. audio-frequency electric connector assembly as claimed in claim 1, it is characterized in that, spatial accommodation when on the end face of insulating body, being provided with several grooved holes and inserting as terminal, the position in this grooved hole respectively with the bottom surface of insulating body on the terminal portion of inserting form a passage, this passage can be inserted fully for terminal.

3. audio-frequency electric connector assembly as claimed in claim 1 is characterized in that, is provided with the elongated slot that runs through at end face near the trailing flank place, and this elongated slot is to cooperate with convex fastening part on the secondary signal terminal, makes the secondary signal terminal be able to be connected and fixed with insulating body.

4. audio-frequency electric connector assembly as claimed in claim 1, it is characterized in that, in the left and right side of insulating body is an even curface, and the relative position in grooved hole is provided with recess on itself and end face, so that the pin position of terminal after inserting can meet the demand of surface adhesion technology processing procedure.

5. audio-frequency electric connector assembly as claimed in claim 1, it is characterized in that, be provided with a perforate near the trailing flank place on the bottom surface of insulating body, this perforate is to use with card lug on the secondary signal terminal to cooperate, and another that is connected and fixed as secondary signal terminal and insulating body engages the place.

6. audio-frequency electric connector assembly as claimed in claim 1, it is characterized in that, first charging terminal, second charging terminal, detection terminal and first signal terminal that places the insulating body stage casing is with a kind of specification, the structure of this type of terminal is to be " U " shape member roughly, side at the U-shaped member is a terminal body, be provided with the sharp protuberance that is used to fix terminal in the both sides of this body side, on terminal body, extend the pin of bending, and be the contact salient point of oblique bending at another side of U-shaped member.

7. audio-frequency electric connector assembly as claimed in claim 1, it is characterized in that, the secondary signal terminal that places the insulating body rear end is another kind of specification, and this secondary signal terminal is the shape of falling a ㄇ member, and the single piece type metal that is shaped as of this member forms through the punching out bending.

8. audio-frequency electric connector assembly as claimed in claim 7, it is characterized in that, the relative summary in position is respectively arranged to component inside bending and have quite flexible contact flat spring on the terminal side of these member both sides, the end of this contact flat spring then is the contact protuberance that slightly bends up.

9. audio-frequency electric connector assembly as claimed in claim 7 is characterized in that, is provided with the convex fastening part of projection on the top margin of the terminal side of this member.

10. audio-frequency electric connector assembly as claimed in claim 7 is characterized in that, is provided with the card lug on the terminal of this member bottom, and the distal edge end in the terminal bottom then has pin.

11. audio-frequency electric connector assembly as claimed in claim 1, it is characterized in that, this audio jack partly can be divided into first contact site, second contact site, the 3rd contact site and the 4th contact site according to the order of inserting, and complies with the demand of each position and termination contact, is divided into various different-diameter sizes.

12. audio-frequency electric connector assembly as claimed in claim 11 is characterized in that, the diameter dimension of the 4th contact site is maximum.

13. audio-frequency electric connector assembly as claimed in claim 1 is characterized in that, the position of first signal terminal of first charging terminal and homonymy is not on same straight line in insulating body.

14. audio-frequency electric connector assembly as claimed in claim 1 is characterized in that, first signal terminal is the terminal of raising one's voice of playback.

15. audio-frequency electric connector assembly as claimed in claim 1 is characterized in that, the secondary signal terminal then is the microphone terminal of radio reception.

16. audio-frequency electric connector assembly as claimed in claim 1 is characterized in that, also is provided with positioning convex column in the bottom surface of insulating body.